Carrier DVD Player 50TCA04 A07 User Manual

50TCA04---A07

Nominal 3 to 6 Tons

With Puron® (R410A) Refrigerant

Service and Maintenance Instructions

TABLE OF CONTENTS

SAFETY CONSIDERATIONS

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 1

UNIT ARRANGEMENT AND ACCESS . . . . . . . . . . . 2

SUPPLY FAN (BLOWER) SECTION . . . . . . . . . . . . . . 3

COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

PURONR (R-410A) REFRIGERANT . . . . . . . . . . . . . . 7

COOLING CHARGING CHARTS . . . . . . . . . . . . . . . . . 9

CONVENIENCE OUTLETS . . . . . . . . . . . . . . . . . . . . 13

SMOKE DETECTORS . . . . . . . . . . . . . . . . . . . . . . . . . 13

DETECTOR CLEANING . . . . . . . . . . . . . . . . . . . . . . . 18

INDICATORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . 20

PROTECTIVE DEVICES . . . . . . . . . . . . . . . . . . . . . . . 20

ELECTRIC HEATERS . . . . . . . . . . . . . . . . . . . . . . . . . 21

PREMIERLINKT CONTROL . . . . . . . . . . . . . . . . . . . 23

ECONOMIZER SYSTEMS . . . . . . . . . . . . . . . . . . . . . 32

FASTENER TORQUE VALUES . . . . . . . . . . . . . . . . . 50

WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . 50

APPENDIX I. MODEL NUMBER SIGNIFICANCE . 52

APPENDIX II. PHYSICAL DATA . . . . . . . . . . . . . . . . 53

APPENDIX III. FAN PERFORMANCE . . . . . . . . . . . 54

APPENDIX IV. ELECTRICAL DATA . . . . . . . . . . . . . 63

APPENDIX V. WIRING DIAGRAM LIST . . . . . . . . . 69

Installation and servicing of air-conditioning equipment

can be hazardous due to system pressure and electrical

components. Only trained and qualified service personnel

should install, repair, or service air-conditioning

equipment. Untrained personnel can perform the basic

maintenance functions of replacing filters. Trained service

personnel should perform all other operations.

When working on air-conditioning equipment, observe

precautions in the literature, tags and labels attached to

the unit, and other safety precautions that may apply.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations.

Have fire extinguishers available for all brazing

operations.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for brazing operations. Have

fire extinguisher available. Read these instructions

thoroughly and follow all warnings or cautions attached to

the unit. Consult local building codes and National

Electrical Code (NEC) for special requirements.

Recognize safety information. This is the safety-alert

symbol

. When you see this symbol on the unit and in

instructions or manuals, be alert to the potential for

personal injury.

Understand the signal words DANGER, WARNING, and

CAUTION. These words are used with the safety-alert

symbol. DANGER identifies the most serious hazards

which will result in severe personal injury or death.

WARNING signifies a hazard which could result in

personal injury or death. CAUTION is used to identify

unsafe practices which may result in minor personal

injury or product and property damage. NOTE is used to

highlight suggestions which will result in enhanced

installation, reliability, or operation.

APPENDIX VI. MOTORMASTER SENSOR

LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

UNIT START-UP CHECKLIST . . . . . . . . . . . . . . . . . . 73

WARNING

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal

injury or death.

Before performing service or maintenance operations

on unit, turn off main power switch to unit. Electrical

shock and rotating equipment could cause injury.

Download from Www.Somanuals.com. All Manuals Search And Download.

located on the rear side of the unit, above the

evaporator/return air access panel. (See Fig. 1.)

To remove the filters:

1. Grasp the bottom flange of the upper panel.

2. Lift up and swing the bottom out until the panel dis-

engages and pulls out.

3. Reach inside and extract the filters from the filter

rack.

4. Replace these filters as required with similar replace-

ment filters of same size.

To re-install the access panel:

C07156

1. Slide the top of the panel up under the unit top panel.

2. Slide the bottom into the side channels.

Fig. 4 - Screens Installed on Outdoor-Air Hood

(Sizes 7-1/2 to 12-1/2 Tons Shown)

3. Push the bottom flange down until it contacts the top

of the lower panel (or economizer top).

IMPORTANT: DO NOT OPERATE THE UNIT

To remove the screen, loosen the screws in the top retainer

and slip the retainer up until the filter can be removed.

Re-install by placing the frame in its track, rotating the

retainer back down and tighten all screws.

WITHOUT THESE FILTERS!

Outside Air Hood

Outside air hood inlet screens are permanent

aluminum-mesh type filters. Check these for cleanliness.

Remove the screens when cleaning is required. Clean by

washing with hot low-pressure water and soft detergent

and replace all screens before restarting the unit. Observe

the flow direction arrows on the side of each filter frame.

Economizer Inlet Air Screen

This air screen is retained by spring clips under the top

edge of the hood. (See Fig. 3.)

17 1/4”

C07087

Fig. 5 - Belt Drive Motor Mounting

SUPPLY FAN (BLOWER) SECTION

DIVIDER

WARNING

OUTSIDE

AIR

ELECTRICAL SHOCK HAZARD

HOOD

Failure to follow this warning could cause personal

injury or death.

CLEANABLE

ALUMINUM

FILTER

Before performing service or maintenance operations

on the fan system, shut off all unit power and tag-out

the unit disconnect switch. Do not reach into the fan

section with power still applied to unit.

BAROMETRIC

RELIEF

FILTER

CLIP

C06027

Supply Fan (Belt--Drive)

Fig. 3 - Filter Installation

The supply fan system consists of a forward-curved

centrifugal blower wheel on a solid shaft with two

concentric type bearings, one on each side of the blower

housing. A fixed-pitch driven pulley is attached to the fan

shaft and an adjustable-pitch driver pulley is on the

motor. The pulleys are connected using a “V” type belt.

(See Fig. 5.)

To remove the filter, open the spring clips. Re-install the

filter by placing the frame in its track, then closing the

spring clips.

Manual Outside Air Hood Screen

This inlet screen is secured by a retainer angle across the

top edge of the hood. (See Fig. 4.)

Belt

Check the belt condition and tension quarterly. Inspect the

belt for signs of cracking, fraying or glazing along the

Download from Www.Somanuals.com. All Manuals Search And Download.

inside surfaces. Check belt tension by using a spring-force

tool (such as Browning’s Part Number “Belt Tension

Checker” or equivalent tool); tension should be 6-lbs at a

5/8-in. deflection when measured at the centerline of the

belt span. This point is at the center of the belt when

measuring the distance between the motor shaft and the

blower shaft.

To change fan speed:

1. Shut off unit power supply.

2. Loosen belt by loosening fan motor mounting nuts.

(See Fig. 5.)

3. Loosen movable pulley flange setscrew. (See Fig. 6.)

4. Screw movable flange toward fixed flange to increase

speed and away from fixed flange to decrease speed.

Increasing fan speed increases load on motor. Do not

exceed maximum speed specified.

5. Set movable flange at nearest keyway of pulley hub

and tighten setscrew to torque specifications.

NOTE: Without the spring-tension tool, place a straight

edge across the belt surface at the pulleys, then deflect the

belt at mid-span using one finger to a 1/2-in. deflection.

Adjust belt tension by loosening the motor mounting plate

front bolts and rear bolt and sliding the plate toward the

fan (to reduce tension) or away from fan (to increase

tension). Ensure the blower shaft and the motor shaft are

parallel to each other (pulleys aligned). Tighten all bolts

when finished.

To align fan and motor pulleys:

1. Loosen fan pulley setscrews.

2. Slide fan pulley along fan shaft. Make angular align-

ment by loosening motor from mounting.

3. Tighten fan pulley setscrews and motor mounting

bolts to torque specifications.

4. Recheck belt tension.

To replace the belt:

1. Use a belt with same section type or similar size. Do

not substitute a “FHP” type belt. When installing the

new belt, do not use a tool (screwdriver or pry-bar) to

force the belt over the pulley flanges, this will stress

the belt and cause a reduction in belt life.

2. Loosen the motor mounting plate front bolts and rear

bolts.

3. Push the motor and its mounting plate towards the

blower housing as close as possible to reduce the cen-

ter distance between fan shaft and motor shaft.

4. Remove the belt by gently lifting the old belt over

one of the pulleys.

5. Install the new belt by gently sliding the belt over

both pulleys and then sliding the motor and plate

away from the fan housing until proper tension is

achieved.

C07075

Fig. 6 - Supply-Fan Pulley Adjustment

6. Check the alignment of the pulleys, adjust if neces-

sary.

Bearings

7. Tighten all bolts.

8. Check the tension after a few hours of runtime and

re-adjust as required.

This fan system uses bearings featuring concentric split

locking collars. The collars are tightened through a cap

screw bridging the split portion of the collar. The cap

screw has a Torx T25 socket head. To tighten the locking

collar: Hold the locking collar tightly against the inner

race of the bearing and torque the cap screw to 65-70

in-lb (7.4-7.9 Nm). See Fig. 7.

Adjustable-Pitch Pulley on Motor

The motor pulley is an adjustable-pitch type that allows a

servicer to implement changes in the fan wheel speed to

match as-installed ductwork systems. The pulley consists

of a fixed flange side that faces the motor (secured to the

motor shaft) and a movable flange side that can be rotated

around the fixed flange side that increases or reduces the

pitch diameter of this driver pulley. (See Fig. 6.)

As the pitch diameter is changed by adjusting the position

of the movable flange, the centerline on this pulley shifts

laterally (along the motor shaft). This creates

requirement for a realignment of the pulleys after any

adjustment of the movable flange. Also reset the belt

tension after each realignment.

Check the condition of the motor pulley for signs of wear.

Glazing of the belt contact surfaces and erosion on these

surfaces are signs of improper belt tension and/or belt

slippage. Pulley replacement may be necessary.

C08121

Fig. 7 - Tightening Locking Collar

Download from Www.Somanuals.com. All Manuals Search And Download.

Motor

life of the coil and extend the life of the unit. The

following maintenance and cleaning procedures are

recommended as part of the routine maintenance activities

to extend the life of the coil.

When replacing the motor, also replace the external-tooth

lock washer (star washer) under the motor mounting base;

this is part of the motor grounding system. Ensure the

teeth on the lock washer are in contact with the motor’s

painted base. Tighten motor mounting bolts to 120 +/- 12

in-lbs.

Remove Surface Loaded Fibers

Surface loaded fibers or dirt should be removed with a

vacuum cleaner. If a vacuum cleaner is not available, a

soft non-metallic bristle brush may be used. In either

case, the tool should be applied in the direction of the fins.

Coil surfaces can be easily damaged (fin edges can be

easily bent over and damage to the coating of a protected

coil) if the tool is applied across the fins.

Changing fan wheel speed by changing pulleys: The

horsepower rating of the belt is primarily dictated by the

pitch diameter of the smaller pulley in the drive system

(typically the motor pulley in these units). Do not install a

replacement motor pulley with a smaller pitch diameter

than provided on the original factory pulley. Change fan

wheel speed by changing the fan pulley (larger pitch

diameter to reduce wheel speed, smaller pitch diameter to

increase wheel speed) or select a new system (both

pulleys and matching belt(s)).

NOTE: Use of a water stream, such as a garden hose,

against a surface loaded coil will drive the fibers and dirt

into the coil. This will make cleaning efforts more

difficult. Surface loaded fibers must be completely

removed prior to using low velocity clean water rinse.

Before changing pulleys to increase fan wheel speed,

check the fan performance at the target speed and airflow

rate to determine new motor loading (bhp). Use the fan

performance tables or use the Packaged Rooftop Builder

software program. Confirm that the motor in this unit is

capable of operating at the new operating condition. Fan

shaft loading increases dramatically as wheel speed is

increased.

Periodic Clean Water Rinse

A periodic clean water rinse is very beneficial for coils

that are applied in coastal or industrial environments.

However, it is very important that the water rinse is made

with a very low velocity water stream to avoid damaging

the fin edges. Monthly cleaning as described below is

recommended.

Routine Cleaning of Coil Surfaces

To reduce vibration, replace the motor’s adjustable pitch

pulley with a fixed pitch pulley (after the final airflow

balance adjustment). This will reduce the amount of

vibration generated by the motor/belt-drive system.

Periodic cleaning with TotalineR environmentally sound

coil cleaner is essential to extend the life of coils. This

cleaner is available from Carrier Replacement

Components Division as part number P902-0301 for a one

gallon container, and part number P902-0305 for a 5

gallon container. It is recommended that all coils,

including standard aluminum, pre-coated, copper/copper

or E-coated coils be cleaned with the Totaline

environmentally sound coil cleaner as described below.

Coil cleaning should be part of the unit’s regularly

scheduled maintenance procedures to ensure long life of

the coil. Failure to clean the coils may result in reduced

durability in the environment.

COOLING

WARNING

UNIT OPERATION AND SAFETY HAZARD

Failure to follow this warning could cause personal

injury, death and/or equipment damage.

This system uses PuronR refrigerant which has

higher pressures than R-22 and other refrigerants. No

other refrigerant may be used in this system. Gauge

set, hoses, and recovery system must be designed to

handle Puron refrigerant. If unsure about equipment,

consult the equipment manufacturer.

Avoid use of:

S coil brighteners

S acid cleaning prior to painting

S high pressure washers

S poor quality water for cleaning

Condenser Coil

The condenser coil is fabricated with round tube copper

hairpins and plate fins of various materials and/or coatings

(see Model Number Format in the Appendix to identify

the materials provided in this unit). The coil may be

one-row or composite-type two-row. Composite two-row

coils are two single-row coils fabricated with a single

return bend end tubesheet.

Totaline environmentally sound coil cleaner is

nonflammable, hypo allergenic, non bacterial, and a

USDA accepted biodegradable agent that will not harm

the coil or surrounding components such as electrical

wiring, painted metal surfaces, or insulation. Use of

non-recommended coil cleaners is strongly discouraged

since coil and unit durability could be affected.

Condenser Coil Maintenance and Cleaning

Recommendation

One-Row Coil

Wash coil with commercial coil cleaner. It is not

necessary to remove top panel.

Routine cleaning of coil surfaces is essential to maintain

proper operation of the unit. Elimination of contamination

and removal of harmful residues will greatly increase the

Download from Www.Somanuals.com. All Manuals Search And Download.

Two-Row Coils

6. Use a water hose or other suitable equipment to flush

down between the 2 coil sections to remove dirt and

debris. Clean the outer surfaces with a stiff brush in

the normal manner.

Clean coil as follows:

1. Turn off unit power, tag disconnect.

2. Remove top panel screws on condenser end of unit.

7. Secure inner and outer coil rows together with a

field-supplied fastener.

8. Reposition the outer coil section and remove the coil

corner post from between the top panel and center

post. Reinstall the coil corner post and replace all

screws.

3. Remove condenser coil corner post. See Fig. 8. To

hold top panel open, place coil corner post between

top panel and center post. See Fig. 9.

Totaline Environmentally Sound Coil Cleaner

Application Equipment

S 2-1/2 gallon garden sprayer

S Water rinse with low velocity spray nozzle

CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in accelerated

corrosion of unit parts.

C08205

Fig. 8 - Cleaning Condenser Coil

Harsh chemicals, household bleach or acid or basic

cleaners should not be used to clean outdoor or indoor

coils of any kind. These cleaners can be very difficult

to rinse out of the coil and can accelerate corrosion at

the fin/tube interface where dissimilar materials are in

contact. If there is dirt below the surface of the coil,

use the Totaline environmentally sound coil cleaner.

CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in reduced

unit performance or unit shutdown.

C08206

Fig. 9 - Propping Up Top Panel

High velocity water from a pressure washer, garden

hose, or compressed air should never be used to

clean a coil. The force of the water or air jet will

bend the fin edges and increase airside pressure drop.

4. Remove screws securing coil to compressor plate and

compressor access panel.

5. Remove fastener holding coil sections together at re-

turn end of condenser coil. Carefully separate the out-

er coil section 3 to 4 in. from the inner coil section.

See Fig. 10.

Totaline Environmentally Sound Coil Cleaner

Application Instructions

1. Proper eye protection such as safety glasses is recom-

mended during mixing and application.

2. Remove all surface loaded fibers and dirt with a vacu-

cleaner as described above.

3. Thoroughly wet finned surfaces with clean water and

a low velocity garden hose, being careful not to bend

fins.

4. Mix Totaline environmentally sound coil cleaner in a

2-1/2 gallon garden sprayer according to the instruc-

tions included with the cleaner. The optimum solution

temperature is 100_F.

NOTE: Do NOT USE water in excess of 130_F, as the

enzymatic activity will be destroyed.

C08207

Fig. 10 - Separating Coil Sections

5. Thoroughly apply Totaline environmentally sound

coil cleaner solution to all coil surfaces including

finned area, tube sheets and coil headers.

Download from Www.Somanuals.com. All Manuals Search And Download.

6. Hold garden sprayer nozzle close to finned areas and

apply cleaner with a vertical, up-and-down motion.

Avoid spraying in horizontal pattern to minimize po-

tential for fin damage.

7. Ensure cleaner thoroughly penetrates deep into finned

areas.

8. Interior and exterior finned areas must be thoroughly

cleaned.

9. Finned surfaces should remain wet with cleaning

solution for 10 minutes.

10. Ensure surfaces are not allowed to dry before rinsing.

Reapplying cleaner as needed to ensure 10-minute

saturation is achieved.

11. Thoroughly rinse all surfaces with low velocity clean

water using downward rinsing motion of water spray

nozzle. Protect fins from damage from the spray

nozzle.

The brass fittings are two-piece High Flow valves, with a

receptacle base brazed to the tubing and an integral

spring-closed check valve core screwed into the base.

(See Fig. 11.) This check valve is permanently assembled

into this core body and cannot be serviced separately;

replace the entire core body if necessary. Service tools are

available from RCD that allow the replacement of the

check valve core without having to recover the entire

system refrigerant charge. Apply compressor refrigerant

oil to the check valve core’s bottom o-ring. Install the

fitting body with 96 +/ -10 in-lbs of torque; do not

overtighten.

PURONR (R--410A) REFRIGERANT

This unit is designed for use with Puron (R-410A)

refrigerant. Do not use any other refrigerant in this

system.

Evaporator Coil

Puron (R-410A) is provided in pink (rose) colored

cylinders. These cylinders are available with and without

dip tubes; cylinders with dip tubes will have a label

indicating this feature. For a cylinder with a dip tube,

place the cylinder in the upright position (access valve at

the top) when removing liquid refrigerant for charging.

For a cylinder without a dip tube, invert the cylinder

(access valve on the bottom) when removing liquid

refrigerant.

Cleaning the Evaporator Coil

1. Turn unit power off. Install lockout tag. Remove

evaporator coil access panel.

2. If economizer or two-position damper is installed, re-

move economizer by disconnecting Molex plug and

removing mounting screws.

3. Slide filters out of unit.

4. Clean coil using a commercial coil cleaner or dish-

washer detergent in a pressurized spray canister. Wash

both sides of coil and flush with clean water. For best

results, back-flush toward return-air section to re-

move foreign material. Flush condensate pan after

completion.

5. Reinstall economizer and filters.

6. Reconnect wiring.

7. Replace access panels.

Because Puron (R-410A) is a blend, it is strongly

recommended that refrigerant always be removed from

the cylinder as a liquid. Admit liquid refrigerant into the

system in the discharge line. If adding refrigerant into the

suction line, use a commercial metering/expansion device

at the gauge manifold; remove liquid from the cylinder,

pass it through the metering device at the gauge set and

then pass it into the suction line as a vapor. Do not remove

Puron (R-410A) from the cylinder as a vapor.

Evaporator Coil Metering Devices

Refrigerant Charge

The metering devices are multiple fixed-bore devices

(Acutrolt) wedged into the horizontal outlet tubes from

the liquid header, located at the entrance to each

evaporator coil circuit path. These are non-adjustable.

Service requires replacing the entire liquid header

assembly.

Amount of refrigerant charge is listed on the unit’s

nameplate. Refer to Carrier GTAC2-5 Charging,

Recovery, Recycling and Reclamation training manual

and the following procedures.

Unit panels must be in place when unit is operating during

the charging procedure.

To check for possible blockage of one or more of these

metering devices, disconnect the supply fan contactor

(IFC) coil, then start the compressor and observe the

frosting pattern on the face of the evaporator coil. A frost

pattern should develop uniformly across the face of the

coil starting at each horizontal header tube. Failure to

develop frost at an outlet tube can indicate a plugged or a

missing orifice.

No Charge

Use standard evacuating techniques. After evacuating

system, weigh in the specified amount of refrigerant.

Low-Charge Cooling

Using Cooling Charging Charts, Fig. 12, vary refrigerant

until the conditions of the appropriate chart are met. Note

the charging charts are different from type normally used.

Charts are based on charging the units to the correct

superheat for the various operating conditions. Accurate

pressure gauge and temperature sensing device are

required. Connect the pressure gauge to the service port

on the suction line. Mount the temperature sensing device

on the suction line and insulate it so that outdoor ambient

temperature does not affect the reading. Indoor-air cfm

must be within the normal operating range of the unit.

Refrigerant System Pressure Access Ports

There are two access ports in the system - on the suction

tube near the compressor and on the discharge tube near

the compressor. These are brass fittings with black plastic

caps. The hose connection fittings are standard 1/4 SAE

Male Flare couplings.

Download from Www.Somanuals.com. All Manuals Search And Download.

To Use Cooling Charging Charts

EXAMPLE:

Model 50TC*A06

Take the outdoor ambient temperature and read the

suction pressure gauge. Refer to chart to determine what

suction temperature should be. If suction temperature is

high, add refrigerant. If suction temperature is low,

carefully recover some of the charge. Recheck the suction

pressure as charge is adjusted.

Outdoor Temperature . . . . . . . . . . . . . . . . . . 85_F (29_C)

Suction Pressure . . . . . . . . . . . . . . . . . 130 psig (896 kPa)

Suction Temperature should be . . . . . . . . . 63_F (17.2_C)

1/2-20 UNF RH

0.596

45^o

30^o

DEPRESSOR PER ARI 720

+.01/-.035

FROM FACE OF BODY

WASHER

O-RING

1/2" HEX

.47

5/8” HEX

7/16-20 UNF RH

This surface provides a metal to metal seal when

torqued into the seat. Appropriate handling is

required to not scratch or dent the surface.

SEAT

CORE

C07150

Fig. 11 - CoreMax Access Port Assembly

Download from Www.Somanuals.com. All Manuals Search And Download.

COOLING CHARGING CHARTS

C08203

C08204

Fig. 12 - Cooling Charging Charts

Download from Www.Somanuals.com. All Manuals Search And Download.

COOLING CHARGING CHARTS (cont)

C08228

C08229

Fig. 12 - Cooling Charging Charts (cont.)

Download from Www.Somanuals.com. All Manuals Search And Download.

The suction and discharge pressure levels should now

move to their normal start-up levels.

Compressor

Lubrication

NOTE: When the compressor is rotating in the wrong

direction, the unit makes an elevated level of noise and

does not provide cooling.

The compressor is charged with the correct amount of oil

at the factory.

Filter Drier

CAUTION

Replace whenever refrigerant system is exposed to

atmosphere. Only use factory specified liquid-line filter

driers with working pressures no less than 650 psig. Do

not install a suction-line filter drier in liquid line. A

liquid-line filter drier designed for use with Puron

refrigerant is required on every unit.

UNIT DAMAGE HAZARD

Failure to follow this caution may result in damage to

components.

The compressor is in a PuronR refrigerant system and

uses a polyolester (POE) oil. This oil is extremely

hygroscopic, meaning it absorbs water readily. POE

oils can absorb 15 times as much water as other oils

designed for HCFC and CFC refrigerants. Avoid

exposure of the oil to the atmosphere.

Condenser--Fan Location

See Fig. 13.

1. Shut off unit power supply. Install lockout tag.

2. Remove condenser-fan assembly (grille, motor, and

fan).

Replacing Compressor

3. Loosen fan hub setscrews.

4. Adjust fan height as shown in Fig. 13.

5. Tighten setscrews.

The compressor used with Puron refrigerant contains a

POE oil. This oil has a high affinity for moisture. Do not

remove the compressor’s tube plugs until ready to insert

the unit suction and discharge tube ends.

6. Replace condenser-fan assembly.

Compressor mounting bolt torque is 65-75 ft-lbs.

Compressor Rotation

On 3-phase units with scroll compressors, it is important

to be certain compressor is rotating in the proper

direction. To determine whether or not compressor is

rotating in the proper direction:

1. Connect service gauges to suction and discharge pres-

sure fittings.

2. Energize the compressor.

3. The suction pressure should drop and the discharge

pressure should rise, as is normal on any start-up.

NOTE: If the suction pressure does not drop and the

discharge pressure does not rise to normal levels:

4. Note that the evaporator fan is probably also rotating

in the wrong direction.

5. Turn off power to the unit.

C07091

Fig. 13 - Condenser Fan Adjustment

(except with Motormaster)

6. Reverse any two of the unit power leads.

7. Reapply power to the compressor.

Troubleshooting Cooling System

Refer to Table 1 for additional troubleshooting topics.

Download from Www.Somanuals.com. All Manuals Search And Download.

Table 1 – Cooling Service Analysis

PROBLEM

CAUSE

REMEDY

Power failure.

Fuse blown or circuit breaker tripped.

Call power company.

Replace fuse or reset circuit breaker.

Defective thermostat, contactor, transformer,

or control relay.

Insufficient line voltage.

Incorrect or faulty wiring.

Thermostat setting too high.

Replace component.

Compressor and Condenser

Fan Will Not Start.

Determine cause and correct.

Check wiring diagram and rewire correctly.

Lower thermostat setting below room temperature.

Faulty wiring or loose connections in compres-

sor circuit.

Compressor motor burned out, seized, or

internal overload open.

Defective run/start capacitor, overload, start

relay.

Check wiring and repair or replace.

Determine cause. Replace compressor.

Determine cause and replace.

Compressor Will Not Start But

Condenser Fan Runs.

Replace fuse or reset circuit breaker. Determine

cause.

Recover refrigerant, evacuate system, and recharge

to nameplate.

One leg of three---phase power dead.

Refrigerant overcharge or undercharge.

Defective compressor.

Insufficient line voltage.

Blocked condenser.

Defective run/start capacitor, overload, or start

relay.

Replace and determine cause.

Determine cause and correct.

Compressor Cycles (other

than normally satisfying ther-

mostat).

Determine cause and replace.

Defective thermostat.

Replace thermostat.

Faulty condenser---fan motor or capacitor.

Restriction in refrigerant system.

Dirty air filter.

Replace.

Locate restriction and remove.

Replace filter.

Unit undersized for load.

Thermostat set too low.

Low refrigerant charge.

Leaking valves in compressor.

Air in system.

Decrease load or increase unit size.

Reset thermostat.

Locate leak; repair and recharge.

Replace compressor.

Recover refrigerant, evacuate system, and recharge.

Clean coil or remove restriction.

Replace filter.

Compressor Operates

Continuously.

Condenser coil dirty or restricted.

Dirty air filter.

Dirty condenser coil.

Clean coil.

Refrigerant overcharged.

Air in system.

Recover excess refrigerant.

Recover refrigerant, evacuate system, and recharge.

Determine cause and correct.

Check for leaks; repair and recharge.

Replace compressor.

Remove restriction.

Check for source and eliminate.

Replace compressor.

Excessive Head Pressure.

Condenser air restricted or air short---cycling.

Low refrigerant charge.

Compressor valves leaking.

Restriction in liquid tube.

High head load.

Compressor valves leaking.

Refrigerant overcharged.

Dirty air filter.

Head Pressure Too Low.

Excessive Suction Pressure.

Recover excess refrigerant.

Replace filter.

Low refrigerant charge.

Metering device or low side restricted.

Check for leaks; repair and recharge.

Remove source of restriction.

Suction Pressure Too Low.

Increase air quantity. Check filter and replace if

necessary.

Insufficient evaporator airflow.

Temperature too low in conditioned area.

Reset thermostat.

Outdoor ambient below 25˚F.

Install low---ambient kit.

Evaporator Fan Will Not Shut

Off.

Time off delay not finished.

Wa it f o r 3 0 --- se co n d o f f d e la y.

Compressor Makes Excessive

Noise.

Compressor rotating in wrong direction.

Reverse the 3---phase power leads.

Download from Www.Somanuals.com. All Manuals Search And Download.

or HACR switch is open. Other connection methods will

result in the convenience outlet circuit being de-energized

when the unit disconnect or HACR switch is open. See

Fig. 15.

CONVENIENCE OUTLETS

WARNING

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal

injury or death.

Units with convenience outlet circuits may use

multiple disconnects. Check convenience outlet for

power status before opening unit for service. Locate

its disconnect switch, if appropriate, and open it.

Tag-out this switch, if necessary.

Two types of convenience outlets are offered on 50TC

models: Non-powered and unit-powered. Both types

provide

125-volt

GFCI

(ground-fault

circuit-interrupter) duplex receptacle rated at 15-A

behind a hinged waterproof access cover, located on the

end panel of the unit. See Fig. 14.

Pwd-CO Transformer

CO8283

Conv Outlet

GFCI

Fig. 15 - Powered Convenience Outlet Wiring

Duty Cycle: The unit-powered convenience outlet has a

duty cycle limitation. The transformer is intended to

provide power on an intermittent basis for service tools,

lamps, etc; it is not intended to provide 15-amps loading

for continuous duty loads (such as electric heaters for

overnight use). Observe a 50% limit on circuit loading

above 8-amps (i.e., limit loads exceeding 8-amps to 30

minutes of operation every hour).

Pwd-CO

Fuse

Switch

Maintenance: Periodically test the GFCI receptacle by

pressing the TEST button on the face of the receptacle.

This should cause the internal circuit of the receptacle to

trip and open the receptacle. Check for proper grounding

wires and power line phasing if the GFCI receptacle does

not trip as required. Press the RESET button to clear the

tripped condition.

C08128

Fig. 14 - Convenience Outlet Location

Non-powered type: This type requires the field

installation of a general-purpose 125-volt 15-A circuit

powered from a source elsewhere in the building. Observe

national and local codes when selecting wire size, fuse or

breaker requirements and disconnect switch size and

location. Route 125-v power supply conductors into the

bottom of the utility box containing the duplex receptacle.

Fuse on powered type: The factory fuse is a Bussman

“Fusetron” T-15, non-renewable screw-in (Edison base)

type plug fuse.

Using unit-mounted convenience outlets: Units with

unit-mounted convenience outlet circuits will often

require that two disconnects be opened to de-energize all

power to the unit. Treat all units as electrically energized

until the convenience outlet power is also checked and

de-energization is confirmed. Observe National Electrical

Code Article 210, Branch Circuits, for use of convenience

outlets.

Unit-powered type: A unit-mounted transformer is

factory-installed to stepdown the main power supply

voltage to the unit to 115-v at the duplex receptacle. This

option also includes a manual switch with fuse, located in

a utility box and mounted on a bracket behind the

convenience outlet; access is through the unit’s control

box access panel. See Fig. 14.

SMOKE DETECTORS

The primary leads to the convenience outlet transformer

are not factory-connected. Selection of primary power

source is a customer-option. If local codes permit, the

transformer primary leads can be connected at the

Smoke detectors are available as factory-installed options

on 50TC models. Smoke detectors may be specified for

Supply Air only or for Return Air without or with

economizer or in combination of Supply Air and Return

Air. Return Air smoke detectors are arranged for vertical

return configurations only. All components necessary for

line-side terminals on

unit-mounted non-fused

disconnect or HACR breaker switch; this will provide

service power to the unit when the unit disconnect switch

Download from Www.Somanuals.com. All Manuals Search And Download.

operation are factory-provided and mounted. The unit is

factory-configured for immediate smoke detector

shutdown operation; additional wiring or modifications to

unit terminal board may be necessary to complete the unit

and smoke detector configuration to meet project

requirements.

inspections without having to disassemble the sensor. The

cover attaches to the sensor housing using four captive

screws and forms an airtight chamber around the sensing

electronics. Each sensor includes a harness with an RJ45

terminal for connecting to the controller. Each sensor has

four LEDs (for Power, Trouble, Alarm and Dirty) and a

manual test/reset button (on the left-side of the housing).

System

The smoke detector system consists of a four-wire

controller and one or two sensors. Its primary function is

to shut down the rooftop unit in order to prevent smoke

from circulating throughout the building. It is not to be

used as a life saving device.

Duct smoke sensor

Exhaust tube

Controller

The controller (see Fig. 16) includes a controller housing,

a printed circuit board, and a clear plastic cover. The

controller can be connected to one or two compatible duct

smoke sensors. The clear plastic cover is secured to the

housing with a single captive screw for easy access to the

wiring terminals. The controller has three LEDs (for

Power, Trouble and Alarm) and a manual test/reset button

(on the cover face).

Exhaust gasket

Sensor housing

and electronics

See

Detail A

Intake

gasket

Cover gasket

(ordering option)

TSD-CO2

(ordering option)

Sensor cover

Plug

Sampling tube

(ordered separately)

Coupling

Detail A

Duct smoke sensor

controller

Conduit nuts

(supplied by installer)

Magnetic

test/reset

switch

Conduit support plate

Terminal block cover

Alarm

Trouble

Power

Dirty

Controller housing

and electronics

Cover gasket

(ordering option)

C08209

Controller cover

Conduit couplings

(supplied by installer)

Fig. 17 - Smoke Detector Sensor

Fastener

(2X)

Air is introduced to the duct smoke detector sensor’s

sensing chamber through a sampling tube that extends into

the HVAC duct and is directed back into the ventilation

system through a (shorter) exhaust tube. The difference in

air pressure between the two tubes pulls the sampled air

through the sensing chamber. When a sufficient amount of

smoke is detected in the sensing chamber, the sensor

signals an alarm state and the controller automatically

takes the appropriate action to shut down fans and

blowers, change over air handling systems, notify the fire

alarm control panel, etc.

Trouble

Alarm

Power

Test/reset

switch

C08208

Fig. 16 - Controller Assembly

The sensor uses a process called differential sensing to

prevent gradual environmental changes from triggering

false alarms. A rapid change in environmental conditions,

such as smoke from a fire, causes the sensor to signal an

alarm state but dust and debris accumulated over time

does not.

Sensor

The sensor (see Fig. 17) includes a plastic housing, a

printed circuit board, a clear plastic cover, a sampling

tube inlet and an exhaust tube. The sampling tube (when

used) and exhaust tube are attached during installation.

The sampling tube varies in length depending on the size

of the rooftop unit. The clear plastic cover permits visual

Download from Www.Somanuals.com. All Manuals Search And Download.

For installations using two sensors, the duct smoke

detector does not differentiate which sensor signals an

alarm or trouble condition.

Return Air with Economizer — The sampling tube is

inserted through the side plates of the economizer

housing, placing it across the return air opening on the

unit basepan. See Fig. 20. The holes in the sampling tube

face downward, into the return air stream. The sampling

tube is connected via tubing to the return air sensor that is

mounted on a bracket high on the partition between return

filter and controller location. (This sensor is shipped in a

flat-mounting location. Installation requires that this

sensor be relocated to its operating location and the tubing

to the sampling tube be connected. See installation steps

below.)

Smoke Detector Locations

Supply Air — The Supply Air smoke detector sensor is

located to the left of the unit’s indoor (supply) fan. See

Fig. 18. Access is through the fan access panel. There is

no sampling tube used at this location. The sampling tube

inlet extends through the side plate of the fan housing

(into a high pressure area). The controller is located on a

bracket to the right of the return filter, accessed through

the lift-off filter panel.

Smoke Detector Sensor

Return Air

Sampling Tube

C08245

Fig. 18 - Typical Supply Air Smoke Detector Sensor

Location

C08129

Fig. 20 - Return Air Sampling Tube Location

Return Air without Economizer — The sampling tube is

located across the return air opening on the unit basepan.

See Fig. 19. The holes in the sampling tube face

downward, into the return air stream. The sampling tube is

connected via tubing to the return air sensor that is

mounted on a bracket high on the partition between return

filter and controller location. (This sensor is shipped in a

flat-mounting location. Installation requires that this

sensor be relocated to its operating location and the tubing

to the sampling tube be connected. See installation steps

below.)

Completing Installation of Return Air Smoke

Sensor:

Screws

Flexible

Exhaust Tubes

Return Air Detector module

(shipping position shown)*

Sample Tube

Controller module

C08126

Fig. 21 - Return Air Detector Shipping Position

1. Unscrew the two screws holding the Return Air

Sensor detector plate. See Fig 21. Save the screws.

2. Remove the Return Air Sensor and its detector plate.

3. Rotate the detector plate so the sensor is facing out-

wards and the sampling tube connection is on the bot-

tom. See Fig 22.

4. Screw the sensor and detector plate into its operating

position using screws from Step 1. Make sure the

sampling tube connection is on the bottom and the ex-

haust tube is on the top. See Fig 22.

5. Connect the flexible tube on the sampling inlet to the

sampling tube on the basepan.

Return Air Detector Sampling Tube

*RA detector must be moved from shipping position to operating position by installer

C07307

Fig. 19 - Typical Return Air Detector Location

Download from Www.Somanuals.com. All Manuals Search And Download.

6. For units with an economizer, the sampling tube is in-

tegrated into the economizer housing but the connec-

tion of the flexible tubing to the sampling tube is the

same.

Highlight B: Smoke detector NC contact set will open on

smoke alarm condition, de-energizing the ORN

conductor.

Highlight C: 24-v power signal via ORN lead is removed

at Smoke Detector input on LCTB; all unit operations

cease immediately.

PremierLink Control: Unit operating functions (fan,

cooling and heating) are terminated as described above. In

addition:

Highlight D: On smoke alarm condition, the smoke

detector NO Alarm contact will close, supplying 24-v

power to GRA conductor.

Highlight E: GRA lead at Smoke Alarm input on LCTB

provides 24-v signal. This signal is conveyed to

PremierLink FIOP’s TB1 at terminal TB1-6 (BLU lead).

This signal initiates the FSD sequence by the PremierLink

control.

C08127

Fig. 22 - Return Air Sensor Operating Position

FIOP Smoke Detector Wiring and Response

Using Remote Logic: Five conductors are provided for

field use (see Highlight F) for additional annunciation

functions.

All units: FIOP smoke detector is configured to

automatically shut down all unit operations when smoke

condition is detected. See Fig. 23, Smoke Detector

Wiring.

Additional Application Data — Refer to Catalog No.

HKRNKA-1XA for discussions on additional control

features of these smoke detectors including multiple unit

coordination. See Fig. 23.

Highlight A: JMP 3 is factory-cut, transferring unit

control to smoke detector.

C08246

Fig. 23 - Typical Smoke Detector System Wiring

Download from Www.Somanuals.com. All Manuals Search And Download.

Sensor and Controller Tests

Sensor Alarm Test

The sensor alarm test checks a sensor’s ability to signal an

alarm state. This test requires that you use a field provided

SD-MAG test magnet.

CAUTION

OPERATIONAL TEST HAZARD

Failure to follow this caution may result in personnel

and authority concern.

Pressing the controller’s test/reset switch for longer

than seven seconds will put the duct detector into the

alarm state and activate all automatic alarm responses.

CAUTION

OPERATIONAL TEST HAZARD

Failure to follow this caution may result in personnel

and authority concern.

Dirty Controller Test Procedure

1. Press the controller’s test/reset switch for two

seconds.

2. Verify that the controller’s Trouble LED flashes.

This test places the duct detector into the alarm state.

Unless part of the test, disconnect all auxiliary

equipment from the controller before performing the

test. If the duct detector is connected to a fire alarm

system, notify the proper authorities before

performing the test.

Dirty Sensor Test

The dirty sensor test provides an indication of the sensor’s

ability to compensate for gradual environmental changes.

A sensor that can no longer compensate for environmental

changes is considered 100% dirty and requires cleaning or

replacing. You must use a field provided SD-MAG test

magnet to initiate a sensor dirty test. The sensor’s Dirty

LED indicates the results of the dirty test as shown in

Table 2.

Sensor Alarm Test Procedure

1. Hold the test magnet where indicated on the side of

the sensor housing for seven seconds.

2. Verify that the sensor’s Alarm LED turns on.

3. Reset the sensor by holding the test magnet against

the sensor housing for two seconds.

4. Verify that the sensor’s Alarm LED turns off.

CAUTION

OPERATIONAL TEST HAZARD

Controller Alarm Test

The controller alarm test checks the controller’s ability to

initiate and indicate an alarm state.

Failure to follow this caution may result in personnel

and authority concern.

Holding the test magnet against the sensor housing for

more than seven seconds will put the duct detector

into the alarm state and activate all automatic alarm

responses.

CAUTION

OPERATIONAL TEST HAZARD

Failure to follow this caution may result in personnel

and authority concern.

Table 2 – Dirty LED Test

FLASHES

DESCRIPTION

0---25% dirty. (Typical of a newly installed detector)

25---50% dirty

This test places the duct detector into the alarm state.

Disconnect all auxiliary equipment from the controller

before performing the test. If the duct detector is

connected to a fire alarm system, notify the proper

authorities before performing the test.

51---75% dirty

76---99% dirty

Controller Alarm Test Procedure

Dirty Sensor Test Procedure

1. Press the controller’s test/reset switch for seven

seconds.

1. Hold the test magnet where indicated on the side of

the sensor housing for two seconds.

2. Verify that the controller’s Alarm LED turns on.

2. Verify that the sensor’s Dirty LED flashes.

3. Reset the sensor by pressing the test/reset switch for

two seconds.

4. Verify that the controller’s Alarm LED turns off.

CAUTION

OPERATIONAL TEST HAZARD

Dirty Controller Test

The dirty controller test checks the controller’s ability to

initiate a dirty sensor test and indicate its results.

Failure to follow this caution may result in personnel

and authority concern.

Changing the dirty sensor test operation will put the

detector into the alarm state and activate all automatic

alarm responses. Before changing dirty sensor test

operation, disconnect all auxiliary equipment from the

controller and notify the proper authorities if

connected to a fire alarm system.

Download from Www.Somanuals.com. All Manuals Search And Download.

Changing the Dirt Sensor Test

By default, sensor dirty test results are indicated by:

S The sensor’s Dirty LED flashing.

Smoke Detector Controller

TB3

S The controller’s Trouble LED flashing.

S The controller’s supervision relay contacts toggle.

−

Auxiliary

equipment

The operation of a sensor’s dirty test can be changed so

that the controller’s supervision relay is not used to

indicate test results. When two detectors are connected to

a controller, sensor dirty test operation on both sensors

must be configured to operate in the same manner.

SD-TRK4

Supervision relay

contacts [3]

Trouble

Power

18 Vdc (

To Configure the Dirty Sensor Test Operation

1. Hold the test magnet where indicated on the side of

the sensor housing until the sensor’s Alarm LED turns

on and its Dirty LED flashes twice (approximately 60

seconds).

Wire must be

added by installer

Alarm

Reset/Test

2. Reset the sensor by removing the test magnet then

holding it against the sensor housing again until the

sensor’s Alarm LED turns off (approximately 2

seconds).

18 Vdc (

−

)

C08247

Fig. 24 - Remote Test/Reset Station Connections

Remote Station Test

The remote station alarm test checks a test/reset station’s

ability to initiate and indicate an alarm state.

CAUTION

OPERATIONAL TEST HAZARD

CAUTION

Failure to follow this caution may result in personnel

and authority concern.

OPERATIONAL TEST HAZARD

Failure to follow this caution may result in personnel

and authority concern.

If the test/reset station’s key switch is left in the

RESET/TEST position for longer than seven seconds,

the detector will automatically go into the alarm state

and activate all automatic alarm responses.

This test places the duct detector into the alarm state.

Unless part of the test, disconnect all auxiliary

equipment from the controller before performing the

test. If the duct detector is connected to a fire alarm

system, notify the proper authorities before

performing the test.

CAUTION

OPERATIONAL TEST HAZARD

SD-TRK4 Remote Alarm Test Procedure

Failure to follow this caution may result in personnel

and authority concern.

1. Turn the key switch to the RESET/TEST position for

seven seconds.

2. Verify that the test/reset station’s Alarm LED turns

on.

Holding the test magnet to the target area for longer

than seven seconds will put the detector into the alarm

state and activate all automatic alarm responses.

3. Reset the sensor by turning the key switch to the

RESET/TEST position for two seconds.

Dirty Sensor Test Using an SD-TRK4

4. Verify that the test/reset station’s Alarm LED turns

off.

1. Turn the key switch to the RESET/TEST position for

two seconds.

Remote Test/Reset Station Dirty Sensor Test

2. Verify that the test/reset station’s Trouble LED

flashes.

The test/reset station dirty sensor test checks the test/reset

station’s ability to initiate a sensor dirty test and indicate

the results. It must be wired to the controller as shown in

Fig. 24 and configured to operate the controller’s

supervision relay. For more information, see “Changing

sensor dirty test operation.”

DETECTOR CLEANING

Cleaning the Smoke Detector

Clean the duct smoke sensor when the Dirty LED is

flashing continuously or sooner if conditions warrant.

Download from Www.Somanuals.com. All Manuals Search And Download.

Table 3 – Detector Indicators

CONTROL OR INDICATOR

DESCRIPTION

Magnetic test/reset switch

Resets the sensor when it is in the alarm or trouble state. Activates or tests the sensor when it is in

the normal state.

Alarm LED

Trouble LED

Dirty LED

Indicates the sensor is in the alarm state.

Indicates the sensor is in the trouble state.

Indicates the amount of environmental compensation used by the sensor

(flashing continuously = 100%)

Power LED

Indicates the sensor is energized.

INDICATORS

CAUTION

Normal State

OPERATIONAL TEST HAZARD

The smoke detector operates in the normal state in the

absence of any trouble conditions and when its sensing

chamber is free of smoke. In the normal state, the Power

LED on both the sensor and the controller are on and all

other LEDs are off.

Failure to follow this caution may result in personnel

and authority concern.

If the smoke detector is connected to a fire alarm

system, first notify the proper authorities that the

detector is undergoing maintenance then disable the

relevant circuit to avoid generating a false alarm.

Alarm State

The smoke detector enters the alarm state when the

amount of smoke particulate in the sensor’s sensing

chamber exceeds the alarm threshold value. (See Table 3.)

Upon entering the alarm state:

1. Disconnect power from the duct detector then remove

the sensor’s cover. (See Fig. 25.)

2. Using a vacuum cleaner, clean compressed air, or a

soft bristle brush, remove loose dirt and debris from

inside the sensor housing and cover.

S The sensor’s Alarm LED and the controller’s Alarm LED

turn on.

Use isopropyl alcohol and a lint-free cloth to remove

dirt and other contaminants from the gasket on the

sensor’s cover.

S The contacts on the controller’s two auxiliary relays

switch positions.

S The contacts on the controller’s alarm initiation relay

close.

3. Squeeze the retainer clips on both sides of the optic

housing then lift the housing away from the printed

circuit board.

4. Gently remove dirt and debris from around the optic

plate and inside the optic housing.

5. Replace the optic housing and sensor cover.

6. Connect power to the duct detector then perform a

sensor alarm test.

S The controller’s remote alarm LED output is activated

(turned on).

S The controller’s high impedance multiple fan shutdown

control line is pulled to ground Trouble state.

The SuperDuct duct smoke detector enters the trouble

state under the following conditions:

S A sensor’s cover is removed and 20 minutes pass before

it is properly secured.

HVAC duct

Sampling

tube

Sensor

housing

S A sensor’s environmental compensation limit is reached

(100% dirty).

S A wiring fault between a sensor and the controller is

detected.

Optic

plate

Airﬂow

An internal sensor fault is detected upon entering the

trouble state:

Retainer

clip

Optic

housing

S The contacts on the controller’s supervisory relay switch

positions. (See Fig. 26.)

S If a sensor trouble, the sensor’s Trouble LED the

C07305

Fig. 25 - Sensor Cleaning Diagram

controller’s Trouble LED turn on.

S If 100% dirty, the sensor’s Dirty LED turns on and the

controller’s Trouble LED flashes continuously.

Download from Www.Somanuals.com. All Manuals Search And Download.

S If a wiring fault between a sensor and the controller, the

controller’s Trouble LED turns on but not the sensor’s.

2. Check the wiring between the sensor and the control-

ler. If wiring is loose or missing, repair or replace as

required.

Controller’s Power LED is Off

Trouble

1. Make sure the circuit supplying power to the control-

ler is operational. If not, make sure JP2 and JP3 are

set correctly on the controller before applying power.

Alarm

Power

2. Verify that power is applied to the controller’s supply

input terminals. If power is not present, replace or re-

pair wiring as required.

Test/reset

switch

Remote Test/Reset Station’s Trouble LED Does

Not flash When Performing a Dirty Test, But the

Controller’s Trouble LED Does

C07298

Fig. 26 - Controller Assembly

1. Verify that the remote test/station is wired as shown

in Fig. 23. Repair or replace loose or missing wiring.

2. Configure the sensor dirty test to activate the control-

ler’s supervision relay. See “Changing sensor dirty

test operation.”

NOTE: All troubles are latched by the duct smoke

detector. The trouble condition must be cleared and then

the duct smoke detector must be reset in order to restore it

to the normal state.

Resetting Alarm and Trouble Condition Trips:

Sensor’s Trouble LED is On, But the Controller’s

Trouble LED is OFF

Remove JP1 on the controller.

Manual reset is required to restore smoke detector systems

to Normal operation. For installations using two sensors,

the duct smoke detector does not differentiate which

sensor signals an alarm or trouble condition. Check each

sensor for Alarm or Trouble status (indicated by LED).

Clear the condition that has generated the trip at this

sensor. Then reset the sensor by pressing and holding the

reset button (on the side) for 2 seconds. Verify that the

sensor’s Alarm and Trouble LEDs are now off. At the

controller, clear its Alarm or Trouble state by pressing and

holding the manual reset button (on the front cover) for 2

seconds. Verify that the controller’s Alarm and Trouble

LEDs are now off. Replace all panels.

PROTECTIVE DEVICES

Compressor Protection

Overcurrent

The compressor has internal linebreak motor protection.

Overtemperature

The compressor has an internal protector to protect it

against excessively high discharge gas temperatures.

High Pressure Switch

TROUBLESHOOTING

The system is provided with a high pressure switch

mounted on the discharge line. The switch is

stem-mounted and brazed into the discharge tube. Trip

setting is 630 psig +/- 10 psig (4344 +/- 69 kPa) when

hot. Reset is automatic at 505 psig (3482 kPa).

Controller’s Trouble LED is On

1. Check the Trouble LED on each sensor connected to

the controller. If a sensor’s Trouble LED is on, de-

termine the cause and make the necessary repairs.

2. Check the wiring between the sensor and the control-

ler. If wiring is loose or missing, repair or replace as

required.

Low Pressure Switch

The system is protected against a loss of charge and low

evaporator coil loading condition by a low pressure switch

located on the suction line near the compressor. The

switch is stem-mounted. Trip setting is 54 psig +/- 5 psig

(372 +/- 34 kPa). Reset is automatic at 117 +/- 5 psig

(807 +/- 34 kPa).

Controller’s Trouble LED is Flashing

1. One or both of the sensors is 100% dirty.

2. Determine which Dirty LED is flashing then clean

that sensor assembly as described in the detector

cleaning section.

Evaporator Freeze Protection

Sensor’s Trouble LED is On

1. Check the sensor’s Dirty LED. If it is flashing, the

sensor is dirty and must be cleaned.

2. Check the sensor’s cover. If it is loose or missing, se-

cure the cover to the sensor housing.

The system is protected against evaporator coil frosting

and low temperature conditions by a temperature switch

mounted on the evaporator coil hairpin. Trip setting is

30_F +/- 5_F (-1_C +/- 3_C). Reset is automatic at 45_F

(7_C).

3. Replace sensor assembly.

Supply (Indoor) Fan Motor Protection

Sensor’s Power LED is Off

Disconnect and lockout power when servicing fan motor.

1. Check the controller’s Power LED. If it is off, de-

termine why the controller does not have power and

make the necessary repairs.

The standard supply fan motor is equipped with internal

overcurrent and overtemperature protection. Protection

devices reset automatically.

Download from Www.Somanuals.com. All Manuals Search And Download.

DISCONNECT EMT OR RIGID CONDUIT SINGLE

CENTER MANUAL RESET

The High Static option supply fan motor is equipped with

pilot-circuit Thermix combination

overtemperature/overcurrent protection device. This

device resets automatically. Do not bypass this switch to

correct trouble. Determine the cause and correct it.

MOUNTING

LOCATION

(FIELD-SUPPLIED)

POINT BOX POST

LIMIT SWITCH

HEATER

COVERS

Condenser Fan Motor Protection

The condenser fan motor is internally protected against

overtemperature.

Relief Device

SINGLE POINT

A soft solder joint at the suction service access port

provides pressure relief under abnormal temperature and

pressure conditions (i.e., fire in building). Protect this

joint during brazing operations near this joint.

MAIN

BRACKET AND BOX

HEATER

MODULE

HEATER

MODULE

HEATER

CONTROL CONDUIT

MOUNTING

SCREW

MOUNTING

BOX

DRIP BOOT

(LOCATION 1) (LOCATION 2) BRACKET

CONTROL WIRE TERMINAL BLOCK

C08134

Fig. 28 - Typical Component Location

Control Circuit, 24--V

The control circuit is protected against overcurrent

conditions by a circuit breaker mounted on control

transformer TRAN. Reset is manual.

ELECTRIC HEATERS

50TC units may be equipped with field-installed

accessory electric heaters. The heaters are modular in

design, with heater frames holding open coil resistance

wires strung through ceramic insulators, line-break limit

switches and a control contactor. One or two heater

modules may be used in a unit.

TRACK

Heater modules are installed in the compartment below

the indoor (supply) fan outlet. Access is through the

indoor access panel. Heater modules slide into the

compartment on tracks along the bottom of the heater

opening. See Figs 27 - 29.

FLANGE

DISCONNECT MOUNTING

LOCATION

C08135

Fig. 29 - Typical Module Installation

Not all available heater modules may be used in every

unit. Use only those heater modules that are UL listed for

use in a specific size unit. Refer to the label on the unit

cabinet re approved heaters.

Unit heaters are marked with Heater Model Numbers. But

heaters are ordered as and shipped in cartons marked with

a corresponding heater Sales Package part number. See

Table 4 for correlation between heater Model Number and

Sales Package part number.

NOTE: The value in position 9 of the part number differs

between the sales package part number (value is 1) and a

bare heater model number (value is 0).

INDOOR

UNIT BLOCK-OFF

PANEL

OUTDOOR

ACCESS

PANEL

ACCESS PANEL

C08133

Fig. 27 - Typical Access Panel Location (3-6 Ton)

Table 4 – Heater Model Number

Bare Heater Model

Number

Heater Sales Package

PNO

Includes:

Bare Heater

Carton and packing

materials

Installation sheet

Download from Www.Somanuals.com. All Manuals Search And Download.

Single Point Boxes and Supplementary Fuses — When

the unit MOCP device value exceeds 60-A, unit-mounted

supplementary fuses are required for each heater circuit.

These fuses are included in accessory Single Point Boxes,

with power distribution and fuse blocks. The single point

box will be installed directly under the unit control box,

just to the left of the partition separating the indoor

section (with electric heaters) from the outdoor section.

The Single Point Box has a hinged access cover. See Fig

30.

copper wire only. Size these conductors based on the

MCA (Minimum Circuit Ampacity) value marked on the

50TC unit’s info plate for the base unit less electric heater

load.

Use

UL-approved

pressure

connectors

(field-supplied) for these splice joints.

CONTROL

BOX

Line-Break

Limit Switches

BUSHING

2 1

1 1

2 3

SINGLE

POINT BOX

MOUNTING

SCREWS

1 3

ALLIED

MODE

ERIAL

DRIP BOOT

BRACKET

MOUNTING

SCREWS

ISTED

AIR

NDITIONING

UIP

ACCES

5610-4

REV

POWER

WIRES

2 3

2 1

1 3

1 1

FOAM

BUSHING

ALLIED

CORP

MODEL

NO.

ERIAL NO

22.2

ISTED AIR

NDITIONING

UIP ACCESS

^346N.

5610-4

REV

C08330

HEATER

RELAYS

Fig. 31 - Typical Location of Heater Limit Switches

(3-phase heater shown)

HEATER

MOUNTING

SCREWS

Low-Voltage Control Connections

—

Pull the

C08136

low-voltage control leads from the heater module(s) -

VIO and BRN (two of each if two modules are installed;

identify for Module #1) - to the 4-pole terminal board

TB4 located on the heater bulkhead to the left of Heater

#1. Connect the VIO lead from Heater #1 to terminal

TB4-1. Connect the VIO lead from Heater #2 to terminal

TB4-2. Connect both BRN leads to terminal TB4-3. See

Fig. 32.

Fig. 30 - Typical Single Point Installation

On 50TC units, all fuses are 60-A. Single point boxes

containing fuses for 208/230-V applications use UL Class

RK5 250-V fuses (Bussman FRNR 60 or Shawmut TR

60R). Single point boxes for 460-V and 575-V

applications use UL Class T 600-V fuses (Bussman JJS

60 or Shawmut A6T 60). (Note that all heaters are

qualified for use with a 60-A fuse, regardless of actual

heater ampacity, so only 60-A fuses are necessary.)

Unit heater applications not requiring supplemental fuses

do not require a Single Point Box. Connect power supply

conductors to heater conductors and field-supplied base

unit power tap leads (see text below re: “Completing

Heater Installation”) below the unit’s main control box

using UL-approved connectors.

LCTB

CONTL

BOARD

VIO

ORN

BRN

Safety Devices — Electric heater applications use a

combination of line-break/auto-reset limit switches and a

pilot-circuit/manual reset limit switch to protect the unit

against over-temperature situations.

BRN

VIO

ORN

TB4

Line-break/auto-reset limit switches are mounted on the

base plate of each heater module. See Fig. 31. These are

accessed through the indoor access panel. Remove the

switch by removing two screws into the base plate and

extracting the existing switch.

Pilot-circuit/manual reset limit switch is located in the

side plate of the indoor (supply) fan housing. See Fig. 28.

VIO

BRN BRN

Field

Connections

Elec Htr

VIO

BRN

HR2

HR1

VIO

Completing Heater Installation

HR1: On Heater 1 in Position #1

HR2: On Heater 2 in Position #2 (if installed)

Field Power Connections

—

Field-supplied tap

conductors must be installed between the base unit’s field

power connection lugs and the splice connection between

field power supply conductors and the conductors to the

electric heater(s). Refer to unit wiring schematic. Use

C08331

Fig. 32 - Accessory Electric Heater Control

Connections

Download from Www.Somanuals.com. All Manuals Search And Download.

C08199

Fig. 33 - PremierLink Controller

Supply Air Temperature (SAT) Sensor

—

PREMIERLINKT CONTROL

FIOP-equipped 50TC unit, the unit is supplied with a

supply-air temperature (SAT) sensor (33ZCSENSAT).

This sensor is a tubular probe type, approx 6-inches (12.7

mm) in length. It is a nominal 10-k ohm thermistor. See

Table 15 for temperature-resistance characteristic.

The PremierLink controller (see Fig. 33) is compatible

with Carrier Comfort Networkr (CCN) devices. This

control is designed to allow users the access and ability to

change factory-defined settings, thus expanding the

function of the standard unit control board. CCN service

access tools include System Pilot (TM), Touch Pilot (TM)

and Service Tool. (Standard tier display tools Navigatort

and Scrolling Marquee are not suitable for use with latest

PremierLink controller (Version 2.x).)

The SAT is factory-wired. The SAT probe is wire-tied to

the supply-air opening (on the horizontal opening end) in

its shipping position. Remove the sensor for installation.

Re-position the sensor in the flange of the supply-air

opening or in the supply air duct (as required by local

codes). Drill or punch a 1/2-in. hole in the flange or duct.

Use two field-supplied, self-drilling screws to secure the

sensor probe in a horizontal orientation. See Fig. 36.

The PremierLink control is factory-mounted in the 50TC

unit’s main control box to the left of the LCTB. Factory

wiring is completed through harnesses connected to the

LVTB. Field connections are made at a 16-pole terminal

block (TB1) located on the bottom shelf of the unit

control box in front of the PremierLink controller The

factory-installed PremierLink control includes the

supply-air temperature (SAT) sensor. The outdoor air

temperature (OAT) sensor is included in the

FIOP/accessory Economizer 2 package.

Refer to Fig. 33 for PremierLink connection locations.

NOTE:

Refer to Form 33CS-58SI for complete

PremierLink configuration, operating sequences and

troubleshooting information. Have a copy of this manual

available at unit start-up.

ROOF

CURB

SUPPLY AIR

TEMPERATURE

SENSOR

SUPPLY AIR

RETURN AIR

The PremierLink controller requires the use of a Carrier

electronic thermostat or a CCN connection for time

broadcast to initiate its internal timeclock. This is

necessary for broadcast of time of day functions

(occupied/unoccupied).

C08200

Fig. 34 - Typical Mounting Location for Supply Air

Temperature (SAT) Sensor on Small Rooftop Units

NOTE: PremierLink controller is shipped in Sensor

mode. To be used with a thermostat, the PremierLink

controller must be configured to Thermostat mode. Refer

to PremierLink Configuration instructions for Operating

Mode.

Download from Www.Somanuals.com. All Manuals Search And Download.

Table 5 – Thermistor Resistance vs Temperature

Values for Space Temperature Sensor, Supply Air

Temperature Sensor, and Outdoor Air Temperature

Sensor

Field connections — Field connections for accessory

sensor and input devices are made at the 16-pole terminal

block (TB1) located on the control box bottom shelf in

front of the PremierLink control. Some input devices also

require a 24-vac signal source; connect at LCTB terminal

R at “THERMOSTAT” connection strip for this signal

source. See connections figures on following pages for

field connection locations (and for continued connections

at the PremierLink board inputs).

TEMP

(C)

TEMP

(F)

RESISTANCE

(Ohms)

--- 4 0

--- 3 5

--- 3 0

--- 2 5

--- 2 0

--- 1 5

--- 1 0

--- 5

--- 4 0

--- 3 1

--- 2 2

--- 1 3

--- 4

335,651

242,195

176,683

130,243

96,974

72,895

55,298

42,315

32,651

25,395

19,903

15,714

12,494

10,000

8,056

Table 7 provides a summary of field connections for units

equipped with Space Sensor. Table 8 provides a summary

of field connections for units equipped with Space

Thermostat.

Space Sensors

The PremierLink controller is

factory-shipped configured for Space Sensor Mode. A

Carrier T-55 or T-56 space sensor must be used. T-55

space temperature sensor provides a signal of space

temperature to the PremierLink control. T-56 provides

same space temperature signal plus it allows for

adjustment of space temperature setpoints from the face of

the sensor by the occupants. See Table 5 for temperature

versus resistance characteristic on the space sensors.

6,530

104

113

122

131

140

149

158

5,325

4,367

3,601

2,985

2,487

2,082

1,752

Connect T-55 - See Fig. 36 for typical T-55 internal

connections. Connect the T-55 SEN terminals to TB1

terminals 1 and 3 (see Fig. 37).

NOTE: The sensor must be mounted in the discharge

airstream downstream of the cooling coil and any heating

devices. Be sure the probe tip does not come in contact

with any of the unit’s heater surfaces.

RED(+)

WHT(GND)

CCN COM

BLK(-)

SEN

Outdoor Air Temperature (OAT) Sensor — The OAT is

SW1

factory-mounted in the Economizer

accessory). It is a nominal 10k ohm thermistor attached to

(FIOP or

BRN (GND)

BLU (SPT)

SENSOR WIRING

an eyelet mounting ring. See Table

temperature-resistance characteristic.

for

Economizer 2 — The PremierLink control is used with

Economizer 2 (option or accessory) for outdoor air

management. The damper position is controlled directly

by the PremierLink control; Economizer 2 has no internal

logic device.

C08201

Fig. 36 - T-55 Space Temperature Sensor Wiring

Outdoor air management functions can be enhanced with

field-installation of these accessory control devices:

TB1

Enthalpy control (outdoor air or differential sensors)

Space CO2 sensor

Outdoor air CO2 sensor

SEN

J6-7

J6-6

Refer to Table 6 for accessory part numbers

C08212

Fig. 37 - PremierLink T55 Sensor

Download from Www.Somanuals.com. All Manuals Search And Download.

Table 6 – PremierLink Sensor Usage

OUTDOOR AIR

TEMPERATURE

SENSOR

RETURN AIR

TEMPERATURE

SENSOR

OUTDOOR AIR

ENTHALPY SENSOR

RETURN AIR

ENTHALPY SENSOR

APPLICATION

Differential Dry Bulb

Temperature with

PremierLink (PremierLink

r e q u ir e s 4 --- 2 0 m A

Actuator)

Single Enthalpy with

PremierLink (PremierLink

r e q u ir e s 4 --- 2 0 m A

Actuator)

Differential Enthalpy with

PremierLink (PremierLink

r e q u ir e s 4 --- 2 0 m A

Actuator)

R e q u ir e d ---

33ZCT55SPT

or equivalent

In c lu d e d ---

---

CRTEMPSN001A00

R e q u ir e s ---

HH57AC077

or equivalent

In c lu d e d ---

Not Used

---

R e q u ir e s ---

HH57AC077

or equivalent

R e q u ir e s ---

HH57AC078

or equivalent

In c lu d e d ---

Not Used

NOTES:

CO2 Sensors (Optional):

33ZCSENCO2 --- Room sensor (adjustable). Aspirator box is required for duct mounting of the sensor.

33ZCASPC02 --- Aspirator box used for duct---mounted CO2 room sensor.

33ZCT55CO2 --- Space temperature and CO2 room sensor with override.

33ZCT56C02 --- Space temperature and CO2 room sensor with override and setpoint.

Download from Www.Somanuals.com. All Manuals Search And Download.

Table 7 – Space Sensor Mode

TB1 TERMINAL

FIELD CONNECTION

T 5 5 --- S E N / T 5 6 --- S E N

RMTOCC

INPUT SIGNAL

Analog (10k thermistor)

Discrete, 24VAC

T 5 5 --- S E N / T 5 6 --- S E N

CMPSAFE

Analog (10k thermistor)

Discrete, 24VAC

T 5 6 --- S E T

FSD

Analog (10k thermistor)

Discrete, 24VAC

LOOP---PWR

Analog, 24VDC

SPS

Discrete, 24VAC

IA Q --- S E N

FILTER

A n a lo g , 4 --- 2 0 m A

Discrete, 24VAC

A n a lo g , 4 --- 2 0 m A

Digital, , 5VDC

A n a lo g , 4 --- 2 0 m A

Digital, 5VDC

IA Q --- C O M/ O A Q --- C O M/ R H --- C O M

CCN + (RED)

O A Q --- S E N / R H --- S E N

CCN Gnd (WHT)

AUX OUT(Power Exhaust)

CCN --- (BLK)

(Output)Discrete 24VAC

Digital, 5VDC

LEGEND:

T55

--- Space Temperature Sensor

T56

--- Space Temperature Sensor

CCN

--- Carrier Comfort Network (communication bus)

CMPSAFE

FILTER

--- Compressor Safety

--- Dirty Filter Switch

F S D

IAQ

OAQ

--- F ir e S h u t d o w n

--- Indoor Air Quality (CO2)

--- Outdoor Air Quality (CO2)

SFS

--- Relative Humidity

--- Supply Fan Status

Table 8 – Thermostat Mode

TB1 TERMINAL

FIELD CONNECTION

INPUT SIGNAL

Analog (10k thermistor)

Discrete, 24VAC

RAT SEN

Analog (10k thermistor)

Discrete, 24VAC

LOOP---PWR

IA Q --- S E N

Discrete, 24VAC

Analog, 24VDC

Discrete, 24VAC

A n a lo g , 4 --- 2 0 m A

Discrete, 24VAC

A n a lo g , 4 --- 2 0 m A

Digital, 5VDC

IA Q --- C O M/ O A Q --- C O M/ R H --- C O M

CCN + (RED)

O A Q --- S E N / R H --- S E N

CCN Gnd (WHT)

AUX OUT (Power Exhaust)

CCN --- (BLK)

A n a lo g , 4 --- 2 0 m A

Digital, 5VDC

(Output) Discrete 24VAC

Digital, 5VDC

LEGEND:

CCN

---

Carrier Comfort Network (communication bus)

T h e r m o st a t Fa n

Indoor Air Quality (CO2)

Outdoor Air Quality (CO2)

Return Air Temperature

Relative Humidity

Thermostat Heat Stage 1

Thermostat Heat Stage 2

Thermostat Cool Stage 1

Thermostat Cool Stage 2

IAQ

OAQ

RAT

Download from Www.Somanuals.com. All Manuals Search And Download.

Connect T-56

See Fig. 38 for T-56 internal

PremierLink Configuration screen for Operating Mode.

Default setting is Sensor Mode (value 1). Change the

value to 0 to reconfigure the controller for Thermostat

Mode.

connections. Install a jumper between SEN and SET

terminals as illustrated. Connect T-56 terminals to TB1

terminals 1, 3 and 5 (see Fig. 39).

When the PremierLink is configured for Thermostat

Mode, these functions are not available: Fire Shutdown

(FSD), Remote Occupied (RMTOCC), Compressor Safety

(CMPSAFE), Supply Fan Status (SFS), and Filter Pressure

Switch (FILTER).

RED(+)

WHT(GND)

CCN COM

Economizer controls —

BLK(-)

SET

SEN

Outdoor Air Enthalpy Control (PNO HH57AC077) -

SW1

BLK

(T56)

The enthalpy control (HH57AC077) is available as a

field-installed accessory to be used with the EconoMi$er2

damper system. The outdoor air enthalpy sensor is part of

the enthalpy control. (The separate field-installed

accessory return air enthalpy sensor (HH57AC078) is

required for differential enthalpy control. See below.)

BRN (GND)

BLU (SPT)

SENSOR WIRING

JUMPER

TERMINALS

AS SHOWN

Locate the enthalpy control in the economizer hood.

Locate two GRA leads in the factory harness and connect

these leads to enthalpy control sensors 2 and 3. See Fig.

41. Connect the enthalpy control power input terminals to

economizer actuator power leads RED (connect to TR)

and BLK (connect to TR).

Cool

Warm

C08202

Fig. 38 - T-56 Internal Connections

TB1

SEN

J6-7

LCTB

SPACE

TB1

THERMOSTAT

J6-6

TB1

Jumper

SET

J4-12

J6-5

J4-10

J4-8

J4-6

C08213

Fig. 39 - PremierLink T56 Sensor

Connect Thermostat — A 7-wire thermostat connection

requires a 24-v power source and a common connection.

Use the R and C terminals on the LCTB’s THERMOSTAT

connection strip for these. Connect the thermostat’s Y1,

Y2, W1, W2 and G terminals to PremierLink TB1 as

shown in Fig. 40.

J4-4

LCTB

THERMOSTAT

C08119

Fig. 40 - Space Thermostat Connections

If the 50TC unit is equipped with factory-installed smoke

detector(s), disconnect the factory BLU lead at TB1-6

(Y2) before connecting the thermostat. Identify the BLU

lead originating at LCTB DDC-1; disconnect at TB1-6

and tape off. Confirm that the second BLU lead at TB1-6

remains connected to PremierLink J4-8.

LCTB

ECON

Enthalpy

Switch

GRA

If the 50TC unit has an economizer system and

free-cooling operation is required, a sensor representing

Return Air Temperature must also be connected

(field-supplied and installed). This sensor may be a T-55

Space Sensor (see Fig. 36) installed in the space or in the

return duct, or it may be sensor PNO 33ZCSENSAT,

installed in the return duct. Connect this sensor to TB1-1

and TB1-3 per Fig. 37. Temperature-resistance

characteristic is found in Table 5.

Factory Wiring Harness

C08218

Fig. 41 - Enthalpy Switch (HH57AC077) Connections

Configure the unit for Thermostat Mode — Connect to the

CCN bus using a CCN service tool and navigate to

The outdoor enthalpy changeover setpoint is set at the

enthalpy controller.

Download from Www.Somanuals.com. All Manuals Search And Download.

The enthalpy control receives the outdoor air enthalpy

from the outdoor air enthalpy sensor and provides a dry

contact switch input to the PremierLink controller. A

closed contact indicates that outside air is preferred to the

return air. An open contact indicates that the economizer

should remain at minimum position.

levels. This information is used to monitor IAQ levels.

Several types of sensors are available, for wall mounting

in the space or in return duct, with and without LCD

display, and in combination with space temperature

sensors. Sensors use infrared technology to measure the

levels of CO2 present in the space air.

Differential Enthalpy Control — Differential enthalpy

control is provided by sensing and comparing the outside

air and return air enthalpy conditions. Install the outdoor

air enthalpy control as described above. Add and install a

return air enthalpy sensor.

The CO2 sensors are all factory set for a range of 0 to

2000 ppm and a linear mA output of 4 to 20. Refer to the

instructions supplied with the CO2 sensor for electrical

requirements and terminal locations. See Fig. 43 for

typical CO2 sensor wiring schematic.

Return Air Enthalpy Sensor — Mount the return-air

enthalpy sensor (HH57AC078) in the return-air duct. The

return air sensor is wired to the enthalpy controller

(HH57AC077). See Fig. 42.

ENTHALPY CONTROLLER

(OUTDOOR

AIR

ENTHALPY

SENSOR)

RED

BRN

TR1

BLK

RED

+ 0-10VDC

SIG COM (J4-6)

4-20mA (J4-5)

(RETURN AIR

ENTHALPY

SENSOR)

ALARM

COM RELAY

}

GRAY/ORN

GRAY/RED

NO CONTACTS

WIRE HARNESS

IN UNIT

LED

24 VAC

24 VDC

H G

2 1

5 4 3 2 1

8 7 6

NOTES:

1. Remove factory-installed jumper across SR and + before connecting

wires from return air sensor.

2. Switches shown in high outdoor air enthalpy state. Terminals 2 and 3

close on low outdoor air enthalpy relative to indoor air enthalpy.

3. Remove sensor mounted on back of control and locate in outside air-

stream.

C06019

C07134

Fig. 42 - Outside and Return Air Enthalpy Sensor

Wiring

Fig. 43 - Indoor/Outdoor Air Quality (CO2) Sensor

(33ZCSENCO2) - Typical Wiring Diagram

To wire the return air enthalpy sensor, perform the

following:

To accurately monitor the quality of the air in the

conditioned air space, locate the sensor near a return-air

grille (if present) so it senses the concentration of CO2

leaving the space. The sensor should be mounted in a

location to avoid direct breath contact.

1. Use a 2-conductor, 18 or 20 AWG, twisted pair cable

to connect the return air enthalpy sensor to the enthal-

py controller.

2. At the enthalpy control remove the factory-installed

resistor from the (SR) and (+) terminals.

Do not mount the IAQ sensor in drafty areas such as near

supply ducts, open windows, fans, or over heat sources.

Allow at least 3 ft (0.9 m) between the sensor and any

corner. Avoid mounting the sensor where it is influenced

by the supply air; the sensor gives inaccurate readings if

the supply air is blown directly onto the sensor or if the

supply air does not have a chance to mix with the room air

before it is drawn into the return airstream.

3. Connect the field-supplied RED wire to (+) spade

connector on the return air enthalpy sensor and the

(SR+) terminal on the enthalpy controller. Connect

the BLK wire to (S) spade connector on the return air

enthalpy sensor and the (SR) terminal on the enthalpy

controller.

NOTE: The enthalpy control must be set to the “D”

setting for differential enthalpy control to work properly.

Wiring the Indoor Air Quality Sensor —

For each sensor, use two 2-conductor 18 AWG (American

Wire Gage) twisted-pair cables (unshielded) to connect

the separate isolated 24 vac power source to the sensor

and to connect the sensor to the control board terminals.

The enthalpy control receives the indoor and return

enthalpy from the outdoor and return air enthalpy sensors

and provides

dry contact switch input to the

PremierLink controller. A closed contact indicates that

outside air is preferred to the return air. An open contact

indicates that the economizer should remain at minimum

position.

To connect the sensor to the control, identify the positive

(4 to 20 mA) and ground (SIG COM) terminals on the

sensor. See Fig. 43. Connect the 4-20 mA terminal to

terminal TB1-9 and connect the SIG COM terminal to

terminal TB1-7. See Fig. 44.

Indoor Air Quality (CO2 sensor) — The indoor air quality

sensor accessory monitors space carbon dioxide (CO2)

Download from Www.Somanuals.com. All Manuals Search And Download.

IAQ Sensor

24 VAC

Refer to Form 33CS-58SI, PremierLink Installation,

Start-up, and Configuration Instructions, for detailed

configuration information.

TB1

J5-5

SEN

TB1

COM

J5-6

Smoke Detector/Fire Shutdown (FSD) — This function is

available only when PremierLink is configured for

(Space) Sensor Mode. The unit is factory-wired for

PremierLink FSD operation when PremierLink is

factory-installed.

C08274

Fig. 44 - Indoor CO2 Sensor (33ZCSENCO2) Connec-

tions

On 50TC units equipped with factory-installed Smoke

Detector(s), the smoke detector controller implements the

unit shutdown through its NC contact set connected to the

unit’s LCTB input. The FSD function is initiated via the

smoke detector’s Alarm NO contact set. The PremierLink

communicates the smoke detector’s tripped status to the

CCN building control. See Fig. 23 for unit smoke detector

wiring.

Refer to Form 33CS-58SI, PremierLink Installation,

Start-up, and Configuration Instructions, for detailed

configuration information

Outdoor Air Quality Sensor (PNO 33ZCSENCO2 plus

weatherproof enclosure) — The outdoor air CO2 sensor is

designed to monitor carbon dioxide (CO2) levels in the

outside ventilation air and interface with the ventilation

damper in an HVAC system. The OAQ sensor is packaged

with an outdoor cover. See Fig. 45. The outdoor air CO2

sensor must be located in the economizer outside air hood.

Alarm state is reset when the smoke detector alarm

condition is cleared and reset at the smoke detector in the

unit.

If the PremierLink mode has been changed to Thermostat,

disconnect the BLU lead (from LCTB DDC-1) at TB1-6

(Y2) and tape off before connecting the thermostat to

TB1.

Filter Status Switch — This function is available only

when PremierLink is configured for (Space) Sensor Mode.

PremierLink control can monitor return filter status in two

ways: By monitoring a field-supplied/installed filter

pressure switch or via supply fan runtime hours.

Using switch input: Install the dirty filter pressure switch

according to switch manufacturer’s instructions, to

measure pressure drop across the unit’s return filters.

Connect one side of the switch’s NO contact set to

LCTB’s THERMOSTAT-R terminal. Connect the other

side of the NO contact set to TB1-10. Setpoint for Dirty

Filter is set at the switch. See Fig. 47.

COVER REMOVED

SIDE VIEW

C07135

Fig. 45 - Outdoor Air Quality Sensor Cover

Filter Switch (NO, close on rising pressure (high drop))

Wiring the Outdoor Air CO2 Sensor — A dedicated

power supply is required for this sensor. A two-wire cable

is required to wire the dedicated power supply for the

sensor. The two wires should be connected to the power

supply and terminals 1 and 2.

LCTB

Thermostat

TB1

J4-4

To connect the sensor to the control, identify the positive

(4 to 20 mA) and ground (SIG COM) terminals on the

OAQ sensor. See Fig. 43. Connect the 4 to 20 mA

terminal to 50TC’s terminal TB1-11. Connect the SIG

COM terminal to 50TC’s terminal TB1-13. See Fig. 461.

C08216

Fig. 47 - PremierLink Filter Switch Connection

When the filter switch’s NO contact set closes as filter

pressure drop increases (indicating dirt-laden filters), the

input signal to PremierLink causes the filter status point to

read “DIRTY”.

OAQ Sensor/RH Sensor

TB1

J5-2

SEN

TB1

COM

J5-3

Using Filter Timer Hours: Refer to Form 33CS-58SI for

instructions on using the PremierLink Configuration

screens and on unit alarm sequence.

24 VAC

C08275

Fig. 46 - Outdoor CO2 Sensor Connections

Supply Fan Status Switch — The PremierLink control can

monitor

supply

fan

operation

through

field-supplied/installed differential pressure switch. This

Download from Www.Somanuals.com. All Manuals Search And Download.

sequence will prevent (or interrupt) operation of unit

cooling, heating and economizer functions until the

pressure switch contacts are closed indicating proper

supply fan operation.

CCN Communication Bus — The PremierLink controller

connects to the bus in a daisy chain arrangement.

Negative pins on each component must be connected to

respective negative pins, and likewise, positive pins on

each component must be connected to respective positive

pins. The controller signal pins must be wired to the signal

ground pins. Wiring connections for CCN must be made

at the 3-pin plug.

Install the differential pressure switch in the supply fan

section according to switch manufacturer’s instructions.

Arrange the switch contact to be open on no flow and to

close as pressure rises indicating fan operation.

At any baud (9600, 19200, 38400 baud), the number of

controllers is limited to 239 devices maximum. Bus length

may not exceed 4000 ft, with no more than 60 total

devices on any 1000-ft section. Optically isolated RS-485

repeaters are required every 1000 ft.

Connect one side of the switch’s NO contact set to

LCTB’s THERMOSTAT-R terminal. Connect the other

side of the NO contact set to TB1-8. Setpoint for Supply

Fan Status is set at the switch. See Fig. 48

Fan (Pressure) Switch (NO, close on rise in pressure)

NOTE: Carrier device default is 9600 band.

LCTB

Thermostat

COMMUNICATION BUS WIRE SPECIFICATIONS —

The CCN Communication Bus wiring is field-supplied

and field-installed. It consists of shielded 3-conductor

cable with drain (ground) wire. The cable selected must

be identical to the CCN Communication Bus wire used for

the entire network.

TB1

J4-6

C08118

Fig. 48 - PremierLink Wiring Fan Pressure Switch

Connection

See Table 9 for recommended cable.

Table 9 – Recommended Cables

Remote Occupied Switch — The PremierLink control

permits a remote timeclock to override the control’s

on-board occupancy schedule and place the unit into

Occupied mode. This function may also provide a “Door

Switch” time delay function that will terminate cooling

and heating functions after a 2-20 minute delay.

MANUFACTURER

Alpha

CABLE PART NO.

2413 or 5463

A22503

American

Belden

Columbia

8772

02525

NOTE: Conductors and drain wire must be at least 20

AWG, stranded, and tinned copper. Individual conductors

must be insulated with PVC, PVC/nylon, vinyl, Teflon, or

polyethylene. An aluminum/polyester 100% foil shield

and an outer jacket of PVC, PVC/nylon, chrome vinyl, or

Teflon with a minimum operating temperature range of

-20 C to 60 C is required. Do not run communication wire

in the same conduit as or next to any AC voltage wiring.

Connect one side of the NO contact set on the timeclock

to LCTB’s THERMOSTAT-R terminal. Connect the other

side of the timeclock contact to the unit’s TB1-2 terminal.

LCTB

Remote Occupied

Thermostat

Time Clock

TB1

J4-12

The communication bus shields must be tied together at

each system element. If the communication bus is entirely

within one building, the resulting continuous shield must

be connected to ground at only one single point. If the

communication bus cable exits from one building and

enters another building, the shields must be connected to

the grounds at a lightning suppressor in each building (one

point only).

C08214

Fig. 49 - PremierLink Wiring Remote Occupied

Refer to Form 33CS-58SI for additional information on

configuring the PremierLink control for Door Switch

timer function.

Power Exhaust (output) - Connect the accessory Power

Exhaust contactor coils(s) per Fig. 50.

Connecting CCN bus:

NOTE: When connecting the communication bus cable,

Power Exhaust

TB1

color code system for the entire network is

recommended to simplify installation and checkout. See

Table 10 for the recommended color code.

J8-3

PEC

TAN

LCTB

THERMOSTAT

Table 10 – Color Code Recommendations

GRA

CCN BUS WIRE

COLOR

CCN PLUG PIN

NUMBER

C08120

SIGNAL TYPE

Fig. 50 - PremierLink Power Exhaust Output

Connection

Ground

---

Red

White

Black

Space Relative Humidity Sensor — The RH sensor is not

used with 50TC models at this time.

Connect the CCN (+) lead (typically RED) to the unit’s

TB1-12 terminal. Connect the CCN (ground) lead

Download from Www.Somanuals.com. All Manuals Search And Download.

ECONOMI$ER IV

CONTROLLER

(typically WHT) to the unit’s TB1-14 terminal. Connect

the CCN (-) lead (typically BLK) to the unit’s TB1-16

terminal. See Fig. 51.

OUTSIDE AIR

TEMPERATURE SENSOR

LOW AMBIENT

SENSOR

WIRING

HARNESS

CCN Bus

ACTUATOR

TB1

J2-1

+ (RED)

TB1

GND (WHT)

J2-2

TB1

– (BLK)

J2-3

C08276

C06021

Fig. 51 - PremierLink CCN Bus Connections

Fig. 52 - EconoMi$er IV Component Locations

OUTDOOR

AIR HOOD

ECONOMIZER SYSTEMS

The 50TC units may be equipped with a factory-installed

or accessory (field-installed) economizer system. Two

ECONOMI$ER2

HOOD

PLUG

SHIPPING

BRACKET

types are available: with

logic control system

control system

(EconoMi$er IV) and without

(EconoMi$er2, for use with external control systems such

as PremierLink). See Fig. 52 and 53 for component

locations on each type. See Fig. 54 and 55 for economizer

section wiring diagrams.

GEAR DRIVEN

DAMPER

BAROMETRIC

RELIEF

DAMPER

Both economizers use direct-drive damper actuators.

C06022

Fig. 53 - EconoMi$er2 Component Locations

FOR OCCUPANCY CONTROL

REPLACE JUMPER WITH

FIELD-SUPPLIED TIME CLOCK

Potentiometer Defaults Settings:

LEGEND

NOTES:

Power Exhaust Middle

1. 620 ohm, 1 watt 5% resistor should be removed only when using differential

DCV— Demand Controlled Ventilation

IAQ — Indoor Air Quality

Minimum Pos.

DCV Max.

DCV Set

Fully Closed

enthalpy or dry bulb.

Middle

2. If a separate field-supplied 24 v transformer is used for the IAQ sensor power

supply, it cannot have the secondary of the transformer grounded.

3. For field-installed remote minimum position POT, remove black wire jumper

between P and P1 and set control minimum position POT to the minimum

position.

LA — Low Ambient Lockout Device

OAT — Outdoor-Air Temperature

POT— Potentiometer

Middle

C Setting

Enthalpy

RAT — Return-Air Temperature

C06028

Fig. 54 - EconoMi$er IV Wiring

Download from Www.Somanuals.com. All Manuals Search And Download.

BLACK

BLUE

TRANSFORMER

GROUND

500 OHM

RESISTOR

VIOLET

PINK

NOTE 1

NOTE 3

RUN

OAT SENSOR

RED

24 VAC

50HJ540573

ACTUATOR

ASSEMBLY

4-20 mA

WHITE

DIRECT DRIVE

ACTUATOR

TO J9 ON

PremierLink

BOARD

4-20mA SIGNAL

ECONOMISER2 PLUG

NOTES:

1. Switch on actuator must be in run position for economizer to operate.

2. PremierLink™ control requires that the standard 50HJ540569 outside-air sensor be replaced by either the CROASENR001A00 dry bulb sen

sor or HH57A077 enthalpy sensor.

3. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

C08310

Fig. 55 - EconoMi$er2 with 4 to 20 mA Control Wiring

Table 11 – EconoMi$er IV Input/Output Logic

INPUTS

Enthalpy*

OUTPUTS

N Terminal†

Occupied

Compressor

Demand Control

Ventilation (DCV)

Y1 Y2

Unoccupied

Closed

Stage Stage

Outdoor

Return

Low

Damper

On On

On Off

Off Off

On On

On Off

Off Off

On On

On Off

Off Off

On On

On Off

Off Off

Off

High

Minimum position

(Free Cooling LED Off)

Below set

(DCV LED Off)

Modulating** (between min. Modulating** (between

Low

position and full-open)

Minimum position

closed and full-open)

Closed

High

Low

High

(Free Cooling LED On)

Modulating†† (between min. Modulating†† (between

High

position and DCV

maximum)

closed and DCV

maximum)

(Free Cooling LED Off)

Above set

(DCV LED On)

Low

Modulating***

Modulating†††

(Free Cooling LED On)

†

For single enthalpy control, the module compares outdoor enthalpy to the ABCD setpoint.

Power at N terminal determines Occupied/Unoccupied setting: 24 vac (Occupied), no power (Unoccupied).

** Modulation is based on the supply-air sensor signal.

†† Modulation is based on the DCV signal.

*** Modulation is based on the greater of DCV and supply-air sensor signals, between minimum position and either maximum position (DCV)

or fully open (supply-air signal).

††† Modulation is based on the greater of DCV and supply-air sensor signals, between closed and either maximum position (DCV) or fully

open (supply-air signal).

Download from Www.Somanuals.com. All Manuals Search And Download.

C06053

Fig. 56 - EconoMi$er IV Functional View

The temperature sensor looks like an eyelet terminal with

wires running to it. The sensor is located in the “crimp

end” and is sealed from moisture.

EconoMi$er IV

Table 11 provides a summary of Economizer IV.

Troubleshooting instructions are enclosed.

Outdoor Air Lockout Sensor

A functional view of the EconoMi$er is shown in 56.

Typical settings, sensor ranges, and jumper positions are

also shown. An EconoMi$er IV simulator program is

available from Carrier to help with EconoMi$er IV

training and troubleshooting.

The EconoMi$er IV is equipped with an ambient

temperature lockout switch located in the outdoor

airstream which is used to lock out the compressors below

a 42_F (6_C) ambient temperature. (See Fig. 52.)

EconoMi$er IV Control Modes

EconoMi$er IV Standard Sensors

IMPORTANT: The optional EconoMi$er2 does not include

a controller. The EconoMi$er2 is operated by a 4 to 20

mA signal from an existing field-supplied controller (such

as PremierLink™ control). See Fig. 54 for wiring

information.

Determine the EconoMi$er IV control mode before set up

of the control. Some modes of operation may require

different sensors. (See Table 12.) The EconoMi$er IV is

supplied from the factory with a supply-air temperature

sensor and an outdoor- air temperature sensor. This allows

for operation of the EconoMi$er IV with outdoor air dry

bulb changeover control. Additional accessories can be

added to allow for different types of changeover control

and operation of the EconoMi$er IV and unit.

Outdoor Air Temperature (OAT) Sensor

The outdoor air temperature sensor (HH57AC074) is a 10

to 20 mA device used to measure the outdoor-air

temperature. The outdoor-air temperature is used to

determine when the EconoMi$er IV can be used for free

cooling. The sensor is factory-installed on the

EconoMi$er IV in the outdoor airstream. (See Fig. 55.)

The operating range of temperature measurement is 40_ to

100_F (4_ to 38_C). See Fig. 55.

Supply Air Temperature (SAT) Sensor

The supply air temperature sensor is a 3 K thermistor

located at the inlet of the indoor fan. (See Fig. 57.) This

sensor is factory installed. The operating range of

temperature measurement is 0° to 158_F (-18_ to 70_C).

See Table 5 for sensor temperature/resistance values.

Outdoor Dry Bulb Changeover

The standard controller is shipped from the factory

configured for outdoor dry bulb changeover control. The

outdoor air and supply air temperature sensors are

included as standard. For this control mode, the outdoor

temperature is compared to an adjustable setpoint selected

on the control. If the outdoor-air temperature is above the

setpoint, the EconoMi$er IV will adjust the outside air

dampers to minimum position. If the outdoor-air

temperature is below the setpoint, the position of the

outside air dampers will be controlled to provided free

cooling using outdoor air. When in this mode, the LED

next to the free cooling setpoint potentiometer will be on.

The changeover temperature setpoint is controlled by the

free cooling setpoint potentiometer located on the control.

(See Fig. 58.) The scale on the potentiometer is A, B, C,

SUPPLY AIR

TEMPERATURE

SENSOR

MOUNTING

LOCATION

SUPPLY AIR

TEMPERATURE

SENSOR

C06033

Fig. 57 - Supply Air Sensor Location

Download from Www.Somanuals.com. All Manuals Search And Download.

and D. See Fig. 59 for the corresponding temperature

changeover values.

Differential Dry Bulb Control

For differential dry bulb control the standard outdoor dry

bulb sensor is used in conjunction with an additional

accessory

dry

bulb

sensor

(part

number

CRTEMPSN002A00). The accessory sensor must be

mounted in the return airstream. (See Fig. 61.) Wiring is

provided in the EconoMi$er IV wiring harness. (See Fig.

52.)

ECONOMI$ERIV

CONTROLLER

ECONOMI$ERIV

GROMMET

C06034

Fig. 58 - EconoMi$er IV Controller Potentiometer

and LED Locations

RETURN AIR

SENSOR

LED ON

RETURN DUCT

LED ON

LED OFF

(FIELD-PROVIDED)

C07085

Fig. 61 - Return Air Temperature or Enthalpy Sensor

Mounting Location

LED ON

LED OFF

LED ON

LED OFF

In this mode of operation, the outdoor-air temperature is

compared to the return-air temperature and the lower

temperature airstream is used for cooling. When using this

mode of changeover control, turn the enthalpy setpoint

potentiometer fully clockwise to the D setting. (See Fig.

58.)

LED OFF

85 90

100

55 60

70 75

DEGREES FAHRENHEIT

40 45

C06035

Fig. 59 - Outside Air Temperature Changeover

Setpoints

Outdoor Enthalpy Changeover

For enthalpy control, accessory enthalpy sensor (part

number HH57AC078) is required. Replace the standard

outdoor dry bulb temperature sensor with the accessory

enthalpy sensor in the same mounting location. (See 56.)

When the outdoor air enthalpy rises above the outdoor

enthalpy changeover setpoint, the outdoor-air damper

moves to its minimum position. The outdoor enthalpy

changeover setpoint is set with the outdoor enthalpy

setpoint potentiometer on the EconoMi$er IV controller.

The setpoints are A, B, C, and D. (See Fig. 62.) The

factory-installed 620-ohm jumper must be in place across

terminals S_Rand SR+ on the EconoMi$er IV controller.

(See Fig. 52 and 63.)

0.13 0.20 0.22 0.25 0.30 0.35 0.40 0.45 0.50

STATIC PRESSURE (in. wg)

C06031

Fig. 60 - Outdoor-Air Damper Leakage

Download from Www.Somanuals.com. All Manuals Search And Download.

95 100 105 110

(29) (32) (35) (38) (41) (43)

CONTROL CONTROL POINT

CURVE

APPROX. deg. F (deg. C)

AT 50% RH

(27)

73 (23)

70 (21)

67 (19)

63 (17)

(24)

(21)

(18)

(16)

(13)

(10)

(7)

(4)

(2)

HIGH LIMIT

CURVE

(2)

95 100 105 110

(4) (7) (10) (13) (16) (18) (21) (24) (27) (29) (32) (35) (38) (41) (43)

APPROXIMATE DRY BULB TEMPERATURE--degrees F (degrees C)

C06037

Fig. 62 - Enthalpy Changeover Setpoints

the outdoor air enthalpy to the return air enthalpy to

determine EconoMi$er IV use. The controller selects the

lower enthalpy air (return or outdoor) for cooling. For

example, when the outdoor air has a lower enthalpy than

the return air, the EconoMi$er IV opens to bring in

outdoor air for free cooling.

Replace the standard outside air dry bulb temperature

sensor with the accessory enthalpy sensor in the same

mounting location. (See Fig. 52.) Mount the return air

enthalpy sensor in the return air duct. (See Fig. 61.)

Wiring is provided in the EconoMi$er IV wiring harness.

(See Fig. 52.) The outdoor enthalpy changeover setpoint is

set with the outdoor enthalpy setpoint potentiometer on

the EconoMi$er IV controller. When using this mode of

changeover control, turn the enthalpy setpoint

potentiometer fully clockwise to the D setting.

TR1

EXH

Set

10V

EXH

Va c

HOT

24 Vac

COM

Min

Pos

Open

DCV

Max

10V

AQ1

SO+

SR+

DCV

Set

10V

Free

Cool

EF1

Indoor Air Quality (IAQ) Sensor Input

The IAQ input can be used for demand control ventilation

control based on the level of CO₂measured in the space

or return air duct.

Mount the accessory IAQ sensor according to

manufacturer specifications. The IAQ sensor should be

wired to the AQ and AQ1 terminals of the controller.

Adjust the DCV potentiometers to correspond to the DCV

voltage output of the indoor air quality sensor at the

user-determined setpoint. (See Fig. 64.)

C06038

Fig. 63 - EonoMi$er IV Control

Differential Enthalpy Control

For differential enthalpy control, the EconoMi$er IV

controller uses two enthalpy sensors (HH57AC078 and

CRENTDIF004A00), one in the outside air and one in the

return air duct. The EconoMi$er IV controller compares

Download from Www.Somanuals.com. All Manuals Search And Download.

CO SENSOR MAX RANGE SETTING

To determine the minimum position setting, perform the

following procedure:

6000

5000

4000

3000

2000

1000

1. Calculate the appropriate mixed air temperature

using the following formula:

100

800 ppm

900 ppm

1000 ppm

1100 ppm

+ (TR x

(T_{O x}

)

) =T_M

T_O= Outdoor-Air Temperature

OA = Percent of Outdoor Air

T_R= Return-Air Temperature

RA = Percent of Return Air

_M= Mixed-Air Temperature

DAMPER VOLTAGE FOR MAX VENTILATION RATE

As an example, if local codes require 10% outdoor

air during occupied conditions, outdoor-air

temperature is 60_ F, and return-air temperature is

75_F.

C06039

Fig. 64 - CO2 Sensor Maximum Range Settings

If a separate field-supplied transformer is used to power

the IAQ sensor, the sensor must not be grounded or the

EconoMi$er IV control board will be damaged.

(60 x .10) + (75 x .90) = 73.5_F

2. Disconnect the supply air sensor from terminals T

and T1.

When using demand ventilation, the minimum damper

position represents the minimum ventilation position for

3. Ensure that the factory-installed jumper is in place

across terminals P and P1. If remote damper

positioning is being used, make sure that the

terminals are wired according to Fig. 52 and that the

minimum position potentiometer is turned fully

clockwise.

VOC (volatile

organic

compounds) ventilation

requirements. The maximum demand ventilation position

is used for fully occupied ventilation.

When demand ventilation control is not being used, the

minimum position potentiometer should be used to set the

occupied ventilation position. The maximum demand

ventilation position should be turned fully clockwise.

4. Connect 24 vac across terminals TR and TR1.

5. Carefully

adjust

the

minimum

position

potentiometer until the measured mixed air

temperature matches the calculated value.

Exhaust Setpoint Adjustment

The exhaust setpoint will determine when the exhaust fan

runs based on damper position (if accessory power

exhaust is installed). The setpoint is modified with the

Exhaust Fan Setpoint (EXH SET) potentiometer. (See Fig.

58.) The setpoint represents the damper position above

which the exhaust fans will be turned on. When there is a

call for exhaust, the EconoMi$er IV controller provides a

45 ± 15 second delay before exhaust fan activation to

allow the dampers to open. This delay allows the damper

to reach the appropriate position to avoid unnecessary fan

overload.

6. Reconnect the supply air sensor to terminals T and

T1.

Remote control of the EconoMi$er IV damper is desirable

when requiring additional temporary ventilation. If a

field-supplied remote potentiometer (Honeywell part

number S963B1128) is wired to the EconoMi$er IV

controller, the minimum position of the damper can be

controlled from a remote location.

To control the minimum damper position remotely,

remove the factory-installed jumper on the P and P1

terminals on the EconoMi$er IV controller. Wire the

field-supplied potentiometer to the P and P1 terminals on

the EconoMi$er IV controller. (See Fig. 63.)

Minimum Position Control

There is a minimum damper position potentiometer on the

EconoMi$er IV controller. (See Fig. 58.) The minimum

damper position maintains the minimum airflow into the

building during the occupied period.

When using demand ventilation, the minimum damper

position represents the minimum ventilation position for

Damper Movement

Damper movement from full open to full closed (or vice

versa) takes 2¹/₂minutes.

Thermostats

VOC

(volatile

organic

compound)

ventilation

The EconoMi$er IV control works with conventional

thermostats that have a Y1 (cool stage 1), Y2 (cool stage

2), W1 (heat stage 1), W2 (heat stage 2), and G (fan). The

EconoMi$er IV control does not support space

temperature sensors. Connections are made at the

thermostat terminal connection board located in the main

control box.

requirements. The maximum demand ventilation position

is used for fully occupied ventilation.

When demand ventilation control is not being used, the

minimum position potentiometer should be used to set the

occupied ventilation position. The maximum demand

ventilation position should be turned fully clockwise.

Adjust the minimum position potentiometer to allow the

minimum amount of outdoor air, as required by local

codes, to enter the building. Make minimum position

adjustments with at least 10_F temperature difference

between the outdoor and return-air temperatures.

Occupancy Control

The factory default configuration for the EconoMi$er IV

control is occupied mode. Occupied status is provided by

the black jumper from terminal TR to terminal N. When

unoccupied mode is desired, install a field-supplied

Download from Www.Somanuals.com. All Manuals Search And Download.

timeclock function in place of the jumper between TR and

N. (See Fig. 52.) When the timeclock contacts are closed,

the EconoMi$er IV control will be in occupied mode.

When the timeclock contacts are open (removing the 24-v

signal from terminal N), the EconoMi$er IV will be in

unoccupied mode.

graph with the left side of the chart to determine that the

range configuration for the CO₂sensor should be 1800

ppm. The EconoMi$er IV controller will output the 6.7

volts from the CO₂sensor to the actuator when the CO₂

concentration in the space is at 1100 ppm. The DCV

setpoint may be left at 2 volts since the CO₂sensor

voltage will be ignored by the EconoMi$er IV controller

until it rises above the 3.6 volt setting of the minimum

position potentiometer.

Once the fully occupied damper position has been

determined, set the maximum damper demand control

ventilation potentiometer to this position. Do not set to the

maximum position as this can result in over-ventilation to

the space and potential high humidity levels.

Demand Control Ventilation (DCV)

When using the EconoMi$er IV for demand controlled

ventilation, there are some equipment selection criteria

which should be considered. When selecting the heat

capacity and cool capacity of the equipment, the

maximum ventilation rate must be evaluated for design

conditions. The maximum damper position must be

calculated to provide the desired fresh air.

Typically the maximum ventilation rate will be about 5 to

10% more than the typical cfm required per person, using

normal outside air design criteria.

A proportional anticipatory strategy should be taken with

the following conditions: a zone with a large area, varied

occupancy, and equipment that cannot exceed the required

ventilation rate at design conditions. Exceeding the

required ventilation rate means the equipment can

condition air at a maximum ventilation rate that is greater

than the required ventilation rate for maximum

occupancy. A proportional-anticipatory strategy will cause

the fresh air supplied to increase as the room CO₂level

increases even though the CO₂setpoint has not been

reached. By the time the CO₂level reaches the setpoint,

the damper will be at maximum ventilation and should

maintain the setpoint.

In order to have the CO₂sensor control the economizer

damper in this manner, first determine the damper voltage

output for minimum or base ventilation. Base ventilation

is the ventilation required to remove contaminants during

unoccupied periods. The following equation may be used

to determine the percent of outside air entering the

building for a given damper position. For best results there

should be at least a 10 degree difference in outside and

return-air temperatures.

CO₂Sensor Configuration

The CO₂sensor has preset standard voltage settings that

can be selected anytime after the sensor is powered up.

(See Table 12.)

Use setting 1 or 2 for Carrier equipment. (See Table 12.)

1. Press Clear and Mode buttons. Hold at least 5

seconds until the sensor enters the Edit mode.

2. Press Mode twice. The STDSET Menu will appear.

Table 12 – EconoMi$er IV Sensor Usage

ECONOMI$ER IV WITH OUTDOOR AIR

DRY BULB SENSOR

Accessories Required

APPLICATION

None. The outdoor air dry bulb sensor

Outdoor Air

Dry Bulb

is factory installed.

Differential

Dry Bulb

CRTEMPSN002A00*

Single Enthalpy

HH57AC078

Differential

Enthalpy

and

CRENTDIF004A00*

CO for DCV

Control using a

Wall-Mounted

33ZCSENCO2

CO Sensor

CO for DCV

33ZCSENCO2†

Control using a

Duct-Mounted

and

CRCBDIOX005A00††

33ZCASPCO2**

CO Sensor

*CRENTDIF004A00 and CRTEMPSN002A00 accessories are used

on many different base units. As such, these kits may contain parts

that will not be needed for installation.

100

+ (TR x

(T_{O x}

)

) =T_M

† 33ZCSENCO2 is an accessory CO sensor.

** 33ZCASPCO2 is an accessory aspirator box required for duct-

mounted applications.

†† CRCBDIOX005A00 is an accessory that contains both

33ZCSENCO2 and 33ZCASPCO2 accessories.

T_O= Outdoor-Air Temperature

OA = Percent of Outdoor Air

T_R= Return-Air Temperature

RA = Percent of Return Air

3. Use the Up/Down button to select the preset

number. (See Table 12.)

4. Press Enter to lock in the selection.

_M= Mixed-Air Temperature

Once base ventilation has been determined, set the

minimum damper position potentiometer to the correct

position.

5. Press Mode to exit and resume normal operation.

The custom settings of the CO₂sensor can be changed

anytime after the sensor is energized. Follow the steps

below to change the non-standard settings:

The same equation can be used to determine the occupied

or maximum ventilation rate to the building. For example,

an output of 3.6 volts to the actuator provides a base

ventilation rate of 5% and an output of 6.7 volts provides

the maximum ventilation rate of 20% (or base plus 15 cfm

per person). Use Fig. 64 to determine the maximum

setting of the CO₂sensor. For example, an 1100 ppm

setpoint relates to a 15 cfm per person design. Use the

1100 ppm curve on Fig. 64 to find the point when the CO₂

sensor output will be 6.7 volts. Line up the point on the

1. Press Clear and Mode buttons. Hold at least 5

seconds until the sensor enters the Edit mode.

2. Press Mode twice. The STDSET Menu will appear.

3. Use the Up/Down button to toggle to the NONSTD

menu and press Enter.

4. Use the Up/Down button to toggle through each of

the nine variables, starting with Altitude, until the

desired setting is reached.

Download from Www.Somanuals.com. All Manuals Search And Download.

5. Press Mode to move through the variables.

6. Press Enter to lock in the selection, then press Mode

to continue to the next variable.

3. Set the enthalpy potentiometer to D (fully CW). The

Free Cool LED should turn off.

4. Return EconoMi$er IV settings and wiring to normal

after completing troubleshooting.

Dehumidification of Fresh Air with DCV (Demand

Controlled Ventilation) Control

DCV (Demand Controlled Ventilation) and Power

Exhaust

If normal rooftop heating and cooling operation is not

adequate for the outdoor humidity level, an energy

recovery unit and/or a dehumidification option should be

considered.

To check DCV and Power Exhaust:

1. Make sure EconoMi$er IV preparation procedure has

been performed.

2. Ensure terminals AQ and AQ1 are open. The LED for

both DCV and Exhaust should be off. The actuator

should be fully closed.

3. Connect a 9-v battery to AQ (positive node) and AQ1

(negative node). The LED for both DCV and Exhaust

should turn on. The actuator should drive to between

90 and 95% open.

EconoMi$er IV Preparation

This procedure is used to prepare the EconoMi$er IV for

troubleshooting. No troubleshooting or testing is done by

performing the following procedure.

NOTE: This procedure requires a 9-v battery, 1.2

kilo-ohm resistor, and a 5.6 kilo-ohm resistor which are

not supplied with the EconoMi$er IV.

4. Turn the Exhaust potentiometer CW until the Exhaust

LED turns off. The LED should turn off when the po-

tentiometer is approximately 90%. The actuator

should remain in position.

5. Turn the DCV setpoint potentiometer CW until the

DCV LED turns off. The DCV LED should turn off

when the potentiometer is approximately 9-v. The ac-

tuator should drive fully closed.

6. Turn the DCV and Exhaust potentiometers CCW until

the Exhaust LED turns on. The exhaust contacts will

close 30 to 120 seconds after the Exhaust LED turns

on.

7. Return EconoMi$er IV settings and wiring to normal

after completing troubleshooting.

IMPORTANT: Be sure to record the positions of all

potentiometers before starting troubleshooting.

1. Disconnect power at TR and TR1. All LEDs should

be off. Exhaust fan contacts should be open.

2. Disconnect device at P and P1.

3. Jumper P to P1.

4. Disconnect wires at T and T1. Place 5.6 kilo-ohm

resistor across T and T1.

5. Jumper TR to 1.

6. Jumper TR to N.

7. If connected, remove sensor from terminals SO and +.

Connect 1.2 kilo-ohm 4074EJM checkout resistor

across terminals SO and +.

8. Put 620-ohm resistor across terminals SR and +.

DCV Minimum and Maximum Position

9. Set minimum position, DCV setpoint, and exhaust po-

tentiometers fully CCW (counterclockwise).

10. Set DCV maximum position potentiometer fully CW

(clockwise).

11. Set enthalpy potentiometer to D.

12. Apply power (24 vac) to terminals TR and TR1.

Differential Enthalpy

To check the DCV minimum and maximum position:

1. Make sure EconoMi$er IV preparation procedure has

been performed.

2. Connect a 9-v battery to AQ (positive node) and AQ1

(negative node). The DCV LED should turn on. The

actuator should drive to between 90 and 95% open.

3. Turn the DCV Maximum Position potentiometer to

midpoint. The actuator should drive to between 20

and 80% open.

4. Turn the DCV Maximum Position potentiometer to

fully CCW. The actuator should drive fully closed.

5. Turn the Minimum Position potentiometer to mid-

point. The actuator should drive to between 20 and

80% open.

6. Turn the Minimum Position Potentiometer fully CW.

The actuator should drive fully open.

7. Remove the jumper from TR and N. The actuator

should drive fully closed.

8. Return EconoMi$er IV settings and wiring to normal

after completing troubleshooting.

To check differential enthalpy:

1. Make sure EconoMi$er IV preparation procedure has

been performed.

2. Place 620-ohm resistor across SO and +.

3. Place 1.2 kilo-ohm resistor across SR and +. The

Free Cool LED should be lit.

4. Remove 620-ohm resistor across SO and +. The Free

Cool LED should turn off.

5. Return EconoMi$er IV settings and wiring to normal

after completing troubleshooting.

Single Enthalpy

To check single enthalpy:

Supply-Air Sensor Input

1. Make sure EconoMi$er IV preparation procedure has

been performed.

To check supply-air sensor input:

2. Set the enthalpy potentiometer to A (fully CCW). The

Free Cool LED should be lit.

1. Make sure EconoMi$er IV preparation procedure has

been performed.

Download from Www.Somanuals.com. All Manuals Search And Download.

2. Set the Enthalpy potentiometer to A. The Free Cool

LED turns on. The actuator should drive to between

20 and 80% open.

3. Remove the 5.6 kilo-ohm resistor and jumper T to

T1. The actuator should drive fully open.

4. Remove the jumper across T and T1. The actuator

should drive fully closed.

5. Return EconoMi$er IV settings and wiring to normal

after completing troubleshooting.

PRE--START--UP

WARNING

PERSONAL INJURY HAZARD

Failure to follow this warning could result in personal

injury or death.

1. Follow recognized safety practices and wear pro-

tective goggles when checking or servicing refri-

gerant system.

EconoMi$er IV Troubleshooting Completion

This procedure is used to return the EconoMi$er IV to

operation. No troubleshooting or testing is done by

performing the following procedure.

2. Do not operate compressor or provide any electric

power to unit unless compressor terminal cover is

in place and secured.

1. Disconnect power at TR and TR1.

2. Set enthalpy potentiometer to previous setting.

3. Do not remove compressor terminal cover until

all electrical sources are disconnected.

4. Relieve all pressure from system before touching

or disturbing anything inside terminal box if refri-

gerant leak is suspected around compressor ter-

minals.

5. Never attempt to repair soldered connection while

refrigerant system is under pressure.

6. Do not use torch to remove any component. Sys-

tem contains oil and refrigerant under pressure.

To remove a component, wear protective goggles

and proceed as follows:

3. Set DCV maximum position potentiometer to previ-

ous setting.

4. Set minimum position, DCV setpoint, and exhaust po-

tentiometers to previous settings.

5. Remove 620-ohm resistor from terminals SR and +.

6. Remove 1.2 kilo-ohm checkout resistor from termin-

als SO and +. If used, reconnect sensor from termin-

als SO and +.

7. Remove jumper from TR to N.

8. Remove jumper from TR to 1.

9. Remove 5.6 kilo-ohm resistor from T and T1. Recon-

nect wires at T and T1.

10. Remove jumper from P to P1. Reconnect device at P

and P1.

a. Shut off electrical power to unit.

b. Recover refrigerant to relieve all pressure from

system using both high-pressure and low

pressure ports.

c. Cut component connection tubing with tubing

cutter and remove component from unit.

11. Apply power (24 vac) to terminals TR and TR1.

d. Carefully unsweat remaining tubing stubs

when necessary. Oil can ignite when exposed

to torch flame.

WIRING DIAGRAMS

See Fig. 65-66 for typical wiring diagrams.

Proceed as follows to inspect and prepare the unit for

initial start-up:

1. Remove all access panels.

2. Read and follow instructions on all WARNING,

CAUTION, and INFORMATION labels attached to,

or shipped with, unit.

3. Make the following inspections:

a. Inspect for shipping and handling damages such

as broken lines, loose parts, or disconnected

wires, etc.

b. Inspect for oil at all refrigerant tubing connec-

tions and on unit base. Detecting oil generally

indicates a refrigerant leak. Leak-test all refri-

gerant tubing connections using electronic leak

detector, halide torch, or liquid-soap solution.

c. Inspect all field-wiring and factory-wiring con-

nections. Be sure that connections are completed

and tight. Be sure that wires are not in contact

with refrigerant tubing or sharp edges.

d. Inspect coil fins. If damaged during shipping and

handling, carefully straighten fins with a fin

comb.

Download from Www.Somanuals.com. All Manuals Search And Download.

4. Verify the following conditions:

NOTE: When the compressor is rotating in the wrong

direction, the unit will make an elevated level of noise

and will not provide cooling.

a. Make sure that condenser-fan blade are correctly

positioned in fan orifice. See Condenser-Fan

Adjustment section on page 11 for more details.

b. Make sure that air filter(s) is in place.

c. Make sure that condensate drain trap is filled

with water to ensure proper drainage.

Cooling

Set space thermostat to OFF position. To start unit, turn on

main power supply. Set system selector switch at COOL

position and fan switch at AUTO. position. Adjust

d. Make sure that all tools and miscellaneous loose

parts have been removed.

thermostat to

setting below room temperature.

Compressor starts on closure of contactor.

Check unit charge. Refer to Refrigerant Charge section on

page 7.

START--UP, GENERAL

Unit Preparation

Reset thermostat at a position above room temperature.

Compressor will shut off. Evaporator fan will shut off

after a 30-second delay.

Make sure that unit has been installed in accordance with

installation instructions and applicable codes.

TO SHUT OFF UNIT

Return--Air Filters

Set system selector switch at OFF position. Resetting

thermostat at a position above room temperature shuts

unit off temporarily until space temperature exceeds

thermostat setting.

Make sure correct filters are installed in unit (see

Appendix II - Physical Data). Do not operate unit without

return-air filters.

Outdoor--Air Inlet Screens

Heating

Outdoor-air inlet screen must be in place before operating

unit.

To start unit, turn on main power supply.

Compressor Mounting

Set system selector switch at HEAT position and set

thermostat at a setting above room temperature. Set fan at

AUTO position.

Compressors are internally spring mounted. Do not loosen

or remove compressor hold down bolts.

First stage of thermostat energizes the first-stage electric

heater elements; second stage energizes second-stage

electric heater elements, if installed. Check heating effects

at air supply grille(s).

Internal Wiring

Check all electrical connections in unit control boxes.

Tighten as required.

Refrigerant Service Ports

If electric heaters do not energize, reset limit switch

(located on evaporator-fan scroll) by pressing button

located between terminals on the switch.

Each unit system has two 1/4” SAE flare (with check

valves) service ports: one on the suction line, and one on

the compressor discharge line. Be sure that caps on the

ports are tight.

TO SHUT OFF UNIT - Set system selector switch at OFF

position. Resetting thermostat at a position below room

temperature temporarily shuts unit off until space

temperature falls below thermostat setting.

Compressor Rotation

On 3-phase units with scroll compressors, it is important

to be certain compressor is rotating in the proper

direction. To determine whether or not compressor is

rotating in the proper direction:

Ventilation (Continuous Fan)

Set fan and system selector switches at ON and OFF

positions, respectively. Evaporator fan operates

continuously to provide constant air circulation.

1. Connect service gauges to suction and discharge pres-

sure fittings.

START--UP, PREMIERLINK CONTROLS

2. Energize the compressor.

3. The suction pressure should drop and the discharge

pressure should rise, as is normal on any start-up.

WARNING

If the suction pressure does not drop and the discharge

pressure does not rise to normal levels:

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal

injury or death.

1. Note that the evaporator fan is probably also rotating

in the wrong direction.

The unit must be electrically grounded in accordance

with local codes and NEC ANSI/NFPA 70 (American

National Standards Institute/National Fire Protection

Association.)

2. Turn off power to the unit and install lockout tag.

3. Reverse any two of the unit power leads.

4. Re-energize to the compressor. Check pressures.

The suction and discharge pressure levels should now

move to their normal start-up levels.

Download from Www.Somanuals.com. All Manuals Search And Download.

Use the Carrier network communication software to start

up and configure the PremierLink controller.

Refer to Installation Instruction 33CS-58SI for full

discussion on configuring the PremierLink control system.

Operating Sequence, Base Unit Controls

Changes can be made using the ComfortWORKSr

software, ComfortVIEWt software, Network Service

Tool, System Pilott device, or Touch Pilott device. The

System Pilot and Touch Pilot are portable interface

devices that allow the user to change system set-up and

setpoints from a zone sensor or terminal control module.

During start-up, the Carrier software can also be used to

verify communication with Premier-Link controller.

COOLING, UNITS WITHOUT ECONOMIZER — When

thermostat calls for cooling, terminals G and Y1 are

energized. The indoor-fan contactor (IFC) and

compressor contactor are energized and indoor-fan motor,

compressor, and outdoor fan starts. The outdoor fan motor

runs continuously while unit is cooling.

HEATING, UNITS WITHOUT ECONOMIZER — When

the thermostat calls for heating, terminal W1 will be

energized with 24v. The IFC and heater contactor no. 1

(HC1) are energized.

NOTE: All set-up and setpoint configurations are factory

set and field-adjustable.

For specific operating instructions, refer to the literature

provided with user interface software.

COOLING, UNITS WITH ECONOMI$ER IV — When

free cooling is not available, the compressors will be

controlled by the zone thermostat. When free cooling is

available, the outdoor-air damper is modulated by the

EconoMi$er IV control to provide a 50 to 55_F supply-air

temperature into the zone. As the supply-air temperature

fluctuates above 55 or below 50_F, the dampers will be

modulated (open or close) to bring the supply- air

temperature back within the setpoint limits.

Perform System Check--Out

1. Check correctness and tightness of all power and

communication connections.

2. At the unit, check fan and system controls for proper

operation.

3. At the unit, check electrical system and connections

of any accessory electric heater.

4. Check to be sure the area around the unit is clear of

construction dirt and debris.

5. Check that final filters are installed in the unit. Dust

and debris can adversely affect system operation.

6. Verify that the PremierLink controls are properly con-

nected to the CCN bus.

Integrated EconoMi$er IV operation on single stage units

requires a 2-stage thermostat (Y1 and Y2).

For EconoMi$er IV operation, there must be a thermostat

call for the fan (G). This will move the damper to its

minimum position during the occupied mode.

Initial Operation and Test

If the increase in cooling capacity causes the supply-air

temperature to drop below 45_F, then the outdoor-air

damper position will be fully closed. If the supply-air

temperature continues to fall, the outdoor-air damper will

close. Control returns to normal once the supply-air

temperature rises above 48_F. If optional power exhaust is

installed, as the outdoor-air damper opens and closes, the

power exhaust fans will be energized and deenergized.

Perform the following procedure:

1. Apply 24 vac power to the control.

2. Connect the service tool to the phone jack service

port of the controller.

3. Using the Service Tool, upload the controller from

address 0, 31 at 9600 baud rate. The address may be

set at this time. Make sure that Service Tool is con-

nected to only one unit when changing the address.

If field-installed accessory CO2 sensors are connected to

the EconoMi$er IV control,

demand controlled

Memory Reset

ventilation strategy will begin to operate. As the CO2

level in the zone increases above the CO2 setpoint, the

minimum position of the damper will be increased

proportionally. As the CO2 level decreases because of the

increase in fresh air, the outdoor-air damper will be

proportionally closed. Damper position will follow the

higher demand condition from DCV mode or free cooling

mode.

DIP switch 4 causes an E-squared memory reset to

factory defaults after the switch has been moved from

position 0 to position 1 and the power has been restored.

To enable the feature again, the switch must be put back

to the 0 position and power must be restored; this prevents

subsequent resets to factory defaults if the switch is left at

position 1.

To cause a reset of the non-volatile memory (to factory

defaults), turn the controller power off if it is on, move the

switch from position 1 to position 0, and then apply power

to the controller for a minimum of 5 seconds. At this

point, no action occurs, but the controller is now ready for

the memory to reset. Remove power to the controller

again and move the switch from position 0 to position 1.

This time, when power is applied, the memory will reset

to factory defaults. The controller address will return to

bus 0 element 31, indicating that memory reset occurred.

Damper movement from full closed to full open (or vice

versa) will take between 1-1/2 and 2-1/2 minutes.

If free cooling can be used as determined from the

appropriate changeover command (switch, dry bulb,

enthalpy curve, differential dry bulb, or differential

enthalpy), a call for cooling (Y1 closes at the thermostat)

will cause the control to modulate the dampers open to

maintain the supply air temperature setpoint at 50 to 55_F.

As the supply-air temperature drops below the setpoint

range of 50 to 55_F, the control will modulate the

Download from Www.Somanuals.com. All Manuals Search And Download.

outdoor-air dampers closed to maintain the proper

supply-air temperature.

compressors 1 and 2 will be cycled based on Y1 and Y2

inputs respectively.

HEATING, UNITS WITH ECONOMI$ER IV — When

the room temperature calls for heat, the heating controls

are energized as described in the Heating, Units Without

Economizer section.

Any time the compressors are running, the PremierLink

controller will lock out the compressors if the SAT

becomes too low. These user configurable settings are

found in the SERVICE configuration table:

ECONOMIZER IN OCCUPIED MODE

—

The

Compressor 1 Lockout at SAT < SATLO1 (50 to 65_F)

(default is 55_F)

economizer logic will be energized when the unit IFC is

energized. The economizer damper will open to the

minimum position setting and remain open until the IFC is

de-energized.

Compressor 2 Lockout at SAT < SATLO2 (45 to 55_F)

(default is 50_F)

After a compressor is locked out, it may be started again

after a normal time-guard period and the supply-air

temperature has increased at least 8_F above the lockout

setpoint.

ECONOMIZER IN UNOCCUPIED MODE — The

economizer damper will remain closed during Unoccupied

Mode periods.

Operating Sequence, PremierLink Control

Routine No. 1: If the OAT ≤ DXLOCK (OAT DX lockout

temperature) and DX Cooling Lockout is enabled when

Y1 input is energized, the economizer will be modulated

to maintain SAT at the Supply Air Setpoint (SASP) =

SATLO1 + 3_F (Supply Air Low Temp lockout for

compressor 1). When Y2 is energized, the economizer

will be modulated to control to a lower SASP = SATLO2

+ 3_F (Supply Air Low Temp lockout for compressor no.

2). Mechanical cooling is locked out and will not be

energized.

THERMOSTAT MODE — If the PremierLink controller

is configured for Thermostat mode (TSTAT), it will

control only to the thermostat inputs on J4. These inputs

can be overridden through CCN communication via the

CV_TSTAT points display table. When in this mode, the

fire safety shutdown (FSD) input cannot be used, so any

fire/life safety shutdown must be physically wired to

disable the 24 vac control circuit to the unit.

Indoor Fan — The indoor fan output will be energized

whenever there is 24 vac present on the G input. The

indoor fan will be turned on without any delay and the

economizer damper will open to its minimum position if

the unit has a damper connected to the controller. This

will also occur if the Premier-Link controller has been

configured for electric heat or heat pump operation.

Routine No. 2: If DXLOCK (or DX Cooling Lockout is

disabled) < OAT ≤ 68_F when Y1 input is energized, the

economizer will be modulated to maintain SAT at SASP =

SATLO1 + 3_F. If the SAT > SASP + 5_F and the

economizer position > 85% then the economizer will

close the to minimum position for three minutes or until

the SAT > 68_F. The economizer integrator will then be

reset and begin modulating to maintain the SASP after

stage one has been energized for 90 seconds.

Cooling — For cooling operation, there must be 24 vac

present on G. When G is active, the PremierLink

controller will then determine if outdoor conditions are

suitable for economizer cooling when an economizer

damper is available. A valid OAT, SPT (CCN space

temperature) and SAT (supply air temperature) sensor

MUST be installed for proper economizer operation. It

recommended that an outdoor or differential enthalpy

sensor also be installed. If one is not present, then a

jumper is needed on the ENTH input on J4, which will

indicate that the enthalpy will always be low. Economizer

operation will be based only on outdoor air dry bulb

temperature. The conditions are suitable when: enthalpy is

low, OAT is less than OATL High Lockout for TSTAT,

and OAT is less than OATMAX, the high setpoint for free

cooling. The default for OATL is 65_F. The default for

OATMAX is 75_F.

When Y2 is energized, the economizer will be modulated

to control to a lower supply air setpoint SASP= SATLO2

+ 3_F If the SAT > SASP + 5_F it will close the

economizer to minimum position for 3 minutes, reset the

integrator for the economizer, then start modulating the

economizer to maintain the SASP after the stage two has

been on for 90 seconds. This provides protection for the

compressor against flooded starts and allow refrigerant

flow to stabilize before modulating the economizer again.

By using return air across the evaporator coil just after the

compressor has started allows for increased refrigerant

flow rates providing better oil return of any oil washed out

during compressor start-up.

Routine No. 3: If the OAT > 68_F and the enthalpy is low

and the OAT <SPT then the economizer will open to

100% and compressors 1 and 2 will be cycled based on

Y1 and Y2 inputs respectively. If any of these conditions

are not met the economizer will go to minimum position.

When all of the above conditions are satisfied and all the

required sensors are installed, the PremierLink controller

will use the economizer for cooling. One of three different

control routines will be used depending on the

temperature of the outside air. The routines use a PID loop

to control the SAT to a supply air setpoint (SASP) based

on the error from setpoint (SASPSAT). The SASP is

determined by the routine.

If there is no call for heating or cooling, the economizer,

if available, will maintain the SASP at 70_F.

Heating — For gas or electric heat, HS1 and HS2 outputs

will follow W1 and W2 inputs respectively. The fan will

also be turned on if it is configured for electric heat.

If an economizer is not available or the conditions are not

met for the following economizer routines below, the

Download from Www.Somanuals.com. All Manuals Search And Download.

Heating may also be energized when an IAQ sensor

installed and has overridden the minimum economizer

damper position. If the OAT < 55_F and an IAQ sensor is

installed and the IAQ minimum position > minimum

damper position causing the SAT to decrease below the

SPT - 10_F, then the heat stages will be cycled to temper

the SAT to maintain a temperature between the SPT and

the SPT + 10_F.

heat stages to maintain the SAT between the SPT and the

SPT + 10_F.

CCN SENSOR MODE — When the PremierLink

controller is configured for CCN control, it will control

the compressor, economizer and heating outputs based its

own space temperature input and setpoints or those

received from Linkage. An optional CO2 IAQ sensor

mounted in the space or received through communications

can also influence the economizer and heating outputs.

The PremierLink controller does not have a hardware

clock so it must have another device on the CCN

communication bus broadcasting time. The controller will

maintain its own time once it has received time as long as

it has power and will send a request for time once a

minute until it receives time when it has lost power and

power is restored. The controller will control to

unoccupied setpoints until it has received a valid time.

The controller must have valid time in order to perform

any broadcast function, follow an occupancy schedule,

perform IAQ pre-occupancy purge and many other

functions as well. The following sections describe the

operation for the functions of the PremierLink controller.

Auxiliary Relay configured for Exhaust Fan — If the

Auxiliary Relay is configured for exhaust fan (AUXOUT

= 1) in the CONFIG configuration table and Continuous

Power Exhaust (MODPE) is enable in the SERVICE

configuration table then the output (HS3) will be

energized whenever the G input is on. If the MODPE is

disabled then output will be energized based on the Power

Exhaust Setpoint (PES) in the SETPOINT table.

Indoor Air Quality — If the optional indoor air quality

(IAQI) sensor is installed, the PremierLink controller will

maintain indoor air quality within the space at the

user-configured differential setpoint (IAQD) in the

CONFIG configuration table. The setpoint is the

difference between the IAQI and an optional outdoor air

quality sensor (OAQ). If the OAQ is not present then a

fixed value of 400 ppm is used. The actual space IAQ

setpoint (IAQS) is calculated as follows:

Indoor Fan — The indoor fan will be turned on whenever

any one of the following conditions are met:

S If the PremierLink controller is in the occupied mode and

ASHRAE 90.1 Supply Fan is configured for Yes in the

CONFIG table. This will be determined by its own

internal occupancy schedule if it is programmed to

follow its local schedule or broadcast its local schedule as

a global schedule, or following a global schedule

broadcast by another device.

IAQS = IAQD + OAQ (OAQ = 400 ppm if not present)

As air quality within the space changes, the minimum

position of the economizer damper will be changed also

thus allowing more or less outdoor air into the space

depending on the relationship of the IAQI to the IAQS.

The IAQ algorithm runs every 30 seconds and calculates

IAQ minimum position value using a PID loop on the

IAQI deviation from the IAQS. The IAQ minimum

position is then compared against the user configured

minimum position (MDP) and the greatest value becomes

the final minimum damper position (IQMP). If the

calculated IAQ Minimum Position is greater than the IAQ

maximum damper position (IAQMAXP) decision in the

SERVICE configuration table, then it will be clamped to

IAQMAXP value.

S If PremierLink controller is in the occupied mode and

ASHRAE 90.1 Supply Fan is configured for No and there

is a heat or cool demand (fan auto mode)

S If the PremierLink controller is in the occupied mode and

ASHRAE 90.1 Supply Fan is configured for Yes when

Linkage is active and the Linkage Coordinator device is

sending an occupied mode flag

If IAQ is configured for low priority, the positioning of

the economizer damper can be overridden by comfort

requirements. If the SAT < SASP -8_F and both stages of

heat are on for more then 4 minutes or the SAT > SASP +

5_F and both stages of cooling on for more then 4 minutes

then the IAQ minimum damper position will become 0

and the IQMP = MDP. IAQ mode will resume when the

SAT > SASP -8_F in heating or the SAT < SASP + 5_F in

cooling. If the Premier-

S When Temperature Compensated Start is active

S When Free Cool is active

S When Pre-Occupancy Purge is active

S Whenever there is a demand for cooling or heating in the

unoccupied mode

S Whenever the Remote Contact input is configured for

Remote Contact (RC_DC=1 in SERVICE table) and it is

closed or the point is forced Closed via communications

in the STATUS01 points display table (remote contact

closed = occupied, remote contact open = unoccupied)

Link controller is configured for 1 stage of heat and cool

or is only using a single stage thermostat input, this

function will not work as it requires the both Y1 and Y2

or W1 and W2 inputs to be active. In this application, it is

recommended that the user configure IAQ priority for

high.

S Whenever the H3_EX_RV point is configured for

Dehumidification (AUXOUT=5 in CONFIG table) and it

is in the unoccupied mode and the indoor RH exceeds the

unoccupied humidity setpoint

If IAQ is configured for high priority and the OAT < 55_F

and the SAT < (SPT -10_F), the algorithm will enable the

Download from Www.Somanuals.com. All Manuals Search And Download.

S Whenever the Supply Fan Relay point is forced On in the

STATUS01 points display table

a demand for cooling. An internal 5 to 10-minute

user-programmable time guard between modes prevents

rapid cycling between modes when used in a single zone

application. The Time Guard is lowered to 3 minutes

when Linkage is active to allow the 3Vt linkage

coordinator to have better control of the Premier-Link

controller when used as the air source for the 3V control

system.

The fan will also continue to run as long as compressors

are on when transitioning from occupied to unoccupied

with the exception of Fire Shutdown mode. If the Fire

Shutdown input point is closed or forced in the

STATUS01 points display table, the fan will be shutdown

immediately regardless of the occupancy state or demand.

Table 13 indicates the number of stages available. The

staging algorithm looks at the number of stages available

based the number of cool stages configured in the

SERVICE configuration table. The algorithm will skip the

economizer if it is not available and turn on a compressor.

The PremierLink controller has an optional Supply Fan

Status input to provide proof of airflow. If this is enabled,

the point will look for a contact closure whenever the

Supply Fan Relay is on. If the input is not enabled, then it

will always be the same state as the Supply Fan Relay.

The cooling, economizer and heating routines will use this

input point for fan status.

Table 13 – Available Cooling Stages

NUMBER OF

STAGES

(ECONOMIZER*)

Cooling — The compressors are controlled by the Cooling

Control Loop that is used to calculate the desired SAT

needed to satisfy the space. It will compare the SPT to the

Occupied Cool Setpoint (OCSP) + the T56 slider offset

(STO) when occupied and the Unoccupied Cool Setpoint

(UCSP + Unoccupied Cooling Deadband) if unoccupied

to calculate a Cooling Submaster Reference (CCSR) that

is then used by the staging algorithm (Cooling submaster

loop) to calculate the required number of cooling stages.

The economizer, if available, will be used as the first

stage of cooling in addition to the compressors. This loop

runs every minute. The following conditions must be met

in order for this algorithm to run:

Compressor 1

Compressor 2

Off

If conditions are suitable for economizer operation.

Any time the compressors are running, the PremierLink

controller will lockout the compressors if the SAT

becomes too low. These user configurable settings are

found in the SERVICE configuration table:

Compressor 1 Lockout at SAT < SATLO1 (50 to 65_F)

(default is 55_F)

Compressor 2 Lockout at SAT < SATLO2 (45 to 55_F)

(default is 50_F)

S indoor fan has been ON for at least 30 seconds

After a compressor is locked out, it may be started again

after a normal time-guard period and the supply air

temperature has increased at least 8_F above the lockout

setpoint.

S heat mode is not active and the time guard between

modes equals zero.

S mode is occupied or the Temperature Compensated Start

Dehumidification — The PremierLink controller will

provide occupied and unoccupied dehumidification

control when AUXOUT = 5 in the CONFIG table and is

installed on HVAC units that are equipped with additional

controls and accessories to accomplish this function. This

function also requires a space relative humidity sensor be

installed on the OAQ/IRH input.

or Cool mode is active

S SPT reading is available and > (OCSP + STO)

S If mode is unoccupied and the SPT > (UCSP +

Unoccupied Cooling Deadband). The indoor fan will be

turned on by the staging algorithm.

S OAT > DXLOCK or OAT DX Lockout is disabled

When in the occupied mode and the indoor relative

humidity is greater then the Occupied High Humidity

setpoint, then the H3_EX_RV output point will be

energized. When in the unoccupied mode and indoor

relative humidity is greater then the Unoccupied High

Humidity setpoint, then the H3_EX_RV output point and

supply fan output will be energized. There is a fixed 5%

hysteresis that the indoor relative humidity must drop

below the active setpoint to end the dehumidification

mode and deenergize the H3_EX_RV output. If the

PremierLink controller is in the unoccupied mode, then

the fan relay will deenergize if there is no other mode

requiring to the fan to be on. This function will not

energize mechanical cooling as a result of the indoor

relative humidity exceeding either setpoint.

If all of the above conditions are met, the CCSR will be

calculated, otherwise it is set to its maximum value and

DX stages is set to 0. If only the last condition is not true

and an economizer is available, it will be used to cool the

space.

The submaster loop uses the CCSR compared to the actual

SAT to determine the required number of capacity stages

to satisfy the load. There is a programmable minimum

internal time delay of 3 to 5 minutes on and 2 to 5 minutes

off for the compressors to prevent short cycling. There is

also a 3-minute time delay before bringing on the second

stage compressor. If the PremierLink controller is

configured for Heat Pump and AUXOUT is configured for

Reversing Valve Cool, the H3_EX_RV output will

energize 2 seconds after the first compressor is energized

and stay energized until there is a demand for heat. If

AUXOUT is configured for Reversing Valve Heat, then

the H3_EX_RV contact will be deenergized when there is

A high humidity alarm will be generated if the indoor

relative humidity exceeds the high humidity setpoint by

the amount configured in the Control Humidity Hysteresis

in the ALARMS table for 20 minutes. The alarm will

Download from Www.Somanuals.com. All Manuals Search And Download.

return to normal when the indoor relative humidity drops

3% below the active humidity setpoint.

into account the cooling effect that has just been turned on

and not return to the value require before the cooling was

added. This will prevent the economizer from causing

premature off cycles of compressors while maintaining the

low SAT temperature setpoint for the number of stages

active. In addition to preventing compressor short cycling,

by using return air across the evaporator coil just after the

compressor has started allows for increased refrigerant

flow rates providing for better oil return of any oil washed

out during compressor start-up.

Economizer — The economizer dampers are used to

provide free cooling and indoor air quality if optional

CO2 sensor is installed and when the outside conditions

are suitable. Temperature control is accomplished by

controlling the SAT to a certain level determined by the

Economizer PID Loop by calculating a submaster

reference (ECONSR) value. This algorithm will calculate

the submaster reference temperature (ECONSR) based on

OAT and enthalpy conditions and cooling requirements.

The ECONSR value is then passed to the Economizer

Submaster Loop, which will modulate dampers to

maintain SAT at ECONSR level.

If the OAT > 68_F and OAT < SPT and the number of DX

stages requested is > 0 by the staging algorithm, then

ECONSR is set to its minimum value 48_F and the

damper will go to 100% open.

The following conditions are required to determine if

economizer cooling is possible:

If the Auxiliary Relay is configured for exhaust fan

(AUXOUT = 1) in the CONFIG configuration table and

Continuous Power Exhaust (MODPE) is Enable in the

SERVICE configuration table, then the AUXO output

(HS3) will be energized whenever the PremierLink

controller is in the occupied mode. If the MODPE is

disabled then AUXO output will be energized based on

the Power Exhaust Setpoint (PES) in the SETPOINT

table.

S Indoor fan has been on for at least 30 seconds

S Enthalpy is low

S SAT reading is available

S OAT reading is available

S SPT reading is available

Heating — The heat stages are controlled by the Heating

Control Loop, which is used to calculate the desired SAT

needed to satisfy the space. It will compare the SPT to the

Occupied Heat Setpoint (OHSP) + the T56 slider offset

(STO) when occupied and the Unoccupied Heat Setpoint

(UHSP - Unoccupied Heating Deadband) if unoccupied to

calculate a Staged Heat Submaster Reference (SHSR).

The heat staging algorithm compares the SHSR to the

actual SAT to calculate the required number of heating

stages to satisfy the load. This loop runs every 40 seconds.

The following conditions must be met in order for this

algorithm to run:

S OAT ≤ SPT

S OAT < OATMAX (OATMAX default is 75_F)

S Economizer position is NOT forced

If any of the above conditions are not met, the ECONSR

will be set to its MAX limit of 120_F and the damper will

go to its configured minimum position. The minimum

damper position can be overridden by the IAQ routine

described later in this section.

The calculation for ECONSR is as follows:

ECONSR = PID function on (setpoint - SPT), where:

S Indoor fan has been ON for at least 30 seconds.

setpoint = ((OCSP+STO) + (OHSP+STO))/2 when

NTLO (Unoccupied Free Cool OAT Lockout) < OAT <

68_F

S Cool mode is not active and the time guard between

modes equals zero.

setpoint = (OCSP+STO) - 1 when OAT ≤ NTLO

setpoint = (OHSP+STO) + 1 when OAT ≥ 68_F

S Mode is occupied or the Temperature Compensated Start

or Heat mode is active.

The actual damper position (ECONPOS) is the result of

the following calculation. Values represented in the right

side of the equation can be found in the SERVICE

configuration table descriptions in this manual. Note that

that the OAT is taken into consideration to avoid large

changes in damper position when the OAT is cold:

S SPT reading is available and < (OHSP + STO).

S If it is unoccupied and the SPT < (UHSP - Unoccupied

Heating Deadband). The indoor fan will be turn on by the

staging algorithm.

When all of the above conditions are met, the SHSR is

calculated and up to 3 stages of heat will turned on and off

to satisfy to maintain the SAT = SHSR. If any of the

above conditions are not met, the SHSR is set to its

minimum value of 35_F.

ECONPOS = SubGain x (ECONSR-SAT) + CTRVAL

where SubGain = (OAT - TEMPBAND) / (ESG + 1)

If the OAT < DXLOCK (DX Cool Lockout setpoint) then

the damper will be modulated to maintain the SAT at the

ECONSR value.

The Staged Heat Submaster Reference (SHSR) is

calculated as follows:

If the OAT is between DXLOCK and 68_F (DXLOCK <

OAT < 68_F) and additional cooling is required, the

economizer will close the to minimum position for three

minutes, the economizer integrator will then be reset to 0

and begin modulating to maintain the SASP after the stage

has been energized for about 90 seconds. This will allow

the economizer to calculate a new ECONSR that takes

SHSR = Heating PID function on (error) where error =

(OHSP + STO) - Space Temperature

The Maximum SHSR is determined by the SATHI

configuration. If the supply-air temperature exceeds the

SATHI configuration value, then the heat stages will turn

Download from Www.Somanuals.com. All Manuals Search And Download.

off. Heat staging will resume after a delay to allow the

supply-air temperature to drop below the SATHI value.

configuration table. The setpoint is the difference between

the IAQI and an optional outdoor air quality sensor

(OAQ). If the OAQ is not present then a fixed value of

400 ppm is used. The actual space IAQ setpoint (IAQS) is

calculated as follows:

The maximum number of stages available is dependent on

the type of heat and the number of stages programmed in

the CONFIG and SERVICE configuration tables. Staging

will occur as follows for gas electric units, Carrier heat

pumps with a defrost board, or cooling units with electric

heat:

IAQS = IAQD + OAQ (OAQ = 400 ppm if not present)

As air quality within the space changes, the minimum

position of the economizer damper will be changed also

thus allowing more or less outdoor air into the space

depending on the relationship of the IAQI to the IAQS.

The IAQ algorithm runs every 30 seconds and calculates

IAQ minimum position value using a PID loop on the

IAQI deviation from the IAQS. The IAQ minimum

position is then compared against the user configured

minimum position (MDP) and the greatest value becomes

the final minimum damper position (IQMP). If the

calculated IAQ minimum position is greater than the IAQ

maximum damper position (IAQMAXP) decision in the

SERVICE configuration table, then it will be clamped to

IAQMAXP value.

For Heating PID STAGES = 2

HEAT STAGES = 1 (50% capacity) - energize HS1.

HEAT STAGES = 2 (100% capacity) - energize HS2.

For Heating PID STAGES = 3 and AUXOUT = HS3

HEAT STAGES = 1 (33% capacity if) - energize HS1

HEAT STAGES = 2 (66% capacity) - energize HS2

HEAT STAGES = 3 (100% capacity) - energize HS3

Staging will occur as follows For heat pump units with

AUXOUT configured as reversing valve:

For Heating PID STAGES = 2 and AUXOUT = Reversing

Valve Heat (the H3_EX_RV output will stay energized

until there is a cool demand) HEAT STAGES = 1 (50%

capacity) shall energize CMP1, CMP2, RVS.

If IAQ is configured for low priority, the positioning of

the economizer damper can be overridden by comfort

requirements. If the SPT > OCSP + 2.5 or the SPT <

OHSP - 2.5 then IAQ minimum position becomes 0 and

the IQMP = MDP. The IAQ mode will resume when the

SPT ≤ OCSP + 1.0 and SPT ≥ OHSP - 1.0.

HEAT STAGES = 2 (100% capacity) shall energize HS1

and HS2.

Heating PID STAGES = 3 and AUXOUT = Reversing

Valve Heat (the H3_EX_RV output will stay energized

until there is a cool demand)

If IAQ is configured for high priority and the OAT < 55_F

and the SAT < (SPT - 10_F), the algorithm will enable the

heat stages to maintain the SAT between the SPT and the

SPT + 10_F.

HEAT STAGES = 1 (33% capacity if) shall energize

CMP1, CMP2, RVS

IAQ Pre-Occupancy Purge — This function is designed to

purge the space of airborne contaminants that may have

accumulated 2 hours prior to the beginning of the next

occupied period. The maximum damper position that will

be used is temperature compensated for cold whether

conditions and can be pre-empted by Temperature

Compensated Start function. For pre-occupancy to occur,

the following conditions must be met:

HEAT STAGES = 2 (66% capacity) shall energize HS1

HEAT STAGES = 3 (100% capacity) shall energize HS2

If AUXOUT is configured for Reversing Valve Cool, then

the H3_EX_RV contact will be deenergized when there is

a demand for heating. The heat stages will be cycled to

temper the SAT so that it will be between the SPT and the

SPT + 10_F (SPT < SAT < (SPT + 10_F)) if:

S IAQ Pre -Occupancy Purge option is enabled in the

CONFIG configuration table

S the number of heat stages calculated is zero

S the OAT < 55_F

S Unit is in the unoccupied state

S Current Time is valid

S an IAQ sensor is installed

S Next Occupied Time is valid

S the IAQ Minimum Damper Position > minimum damper

position

S Time is within 2 hours of next Occupied period

S and the SAT < SPT -10_F.

S Time is within Purge Duration (user-defined 5 to 60

minutes in the CONFIG configuration table)

There is also a SAT tempering routine that will act as SAT

low limit safety to prevent the SAT from becoming too

cold should the economizer fail to close. One stage of

heating will be energized if it is not in the Cooling or Free

Cooling mode and the OAT is below 55_F and the SAT is

below 40_F. It will deenergize when the SAT > (SPT +

10_F).

S OAT Reading is available

If all of the above conditions are met, the economizer

damper IQMP is temporarily overridden by the

pre-occupancy damper position (PURGEMP). The

PURGEMP will be set to one of the following conditions

based on atmospheric conditions and the space

temperature:

Indoor Air Quality — If the optional indoor air quality

(IAQI) sensor is installed, the PremierLink controller will

maintain indoor air quality within the space at the user

configured differential setpoint (IAQD) in the CONFIG

S If the OAT ≥ NTLO (Unoccupied OAT Lockout

Temperature) and OAT < 65_F and OAT is less than or

Download from Www.Somanuals.com. All Manuals Search And Download.

equal to OCSP and Enthalpy = Low then PURGEMP =

100%.

S Unit is in unoccupied state

S Next occupied time is valid

S Current time of day is valid

S If the OAT < NTLO then PURGEMP = LTMP (Low

Temperature Minimum Position - defaults to 10%)

S Valid space temperature reading is available (from sensor

S If the OAT > 65_F or (OAT ≥ NTLO and OAT > OCSP)

or Enthalpy = High then PURGEMP = HTMP (High

Temperature Minimum Position defaults to 35%).

or linkage thermostat)

S Cool Start Bias (KCOOL) and Heat Bias Start (KHEAT)

> 0 in the CONFIG configuration table

The LTMP and HTMP are user adjustable values from 0

to 100% in the SETPOINT table. Whenever PURGEMP

The SBT is calculated by one of the following formulas

depending on temperature demand:

results in

number greater than 0%, the IAQ

If SPT > OCSP then SBT = (SPT - OCSP) * KCOOL

If SPT < OHSP then SPT = (OHSP - SPT) * KHEAT.

pre-occupancy purge mode will be enabled turning on the

Indoor Fan Relay and setting the economizer IQMP to the

PURGEMP value. When IAQ pre-occupancy mode is not

active PURGEMP = 0%.

The calculated start bias time can range from 0 to 255

minutes. When SBT is greater than 0 the function will

subtract the SBT from the next occupied time to calculate

a new start time. When a new start time is reached, the

Temperature Compensated Start mode is started. This

mode energizes the fan and the unit will operate as though

it is in occupied state. Once set, Temperature

Compensated Start mode will stay on until the unit returns

to occupied state. If either Unoccupied Free Cool or IAQ

Pre-Occupancy mode is active when Temperature

Compensated Start begins, their mode will end.

Unoccupied Free Cooling — Unoccupied free cool

function will start the indoor fan during unoccupied times

in order to cool the space with outside air. This function is

performed to delay the need for mechanical cooling when

the system enters the occupied period. Depending on how

Unoccupied Free Cooling is configured, unoccupied mode

can occur at any time in the unoccupied time period or 2

to 6 hours prior to the next occupied time. Once the space

has been sufficiently cooled during this cycle, the fan will

be stopped. In order to perform unoccupied free cooling

all of the following conditions must be met:

Door Switch — The Door Switch function is designed to

disable mechanical heating and cooling outputs when the

REMOCC contact input is closed (in the ON state) after a

programmed time delay. The fan will continue to operate

based on the current mode and the ASHRAE 90.1 Supply

Fan setting. The delay is programmable from 2 to 20

minutes by setting the Remote Cont/Door Switch decision

in the SERVICE table to a value equal to the number of

minutes desired. When the contact is open (in the OFF

state), the PremierLink controller will resume normal

temperature control.

S NTEN option is enabled in the CONFIG configuration

table

S Unit is in unoccupied state

S Current time of day is valid

S Temperature Compensated Start mode is not active

S COOL mode is not active

S HEAT mode is not active

S SPT reading is available

This application is designed for use in schools or other

public places where a door switch can be installed to

monitor the opening of a door for an extended period of

time. The controller will disable mechanical cooling and

heating when the door is open for a programmed amount

of time.

S OAT reading is available

S Enthalpy is low

S OAT > NTLO (with 1_F hysteresis) and < Max Free Cool

setpoint

This function can also be used to monitor a high

condensate level switch when installed on a water source

heat pump to disable mechanic cooling in case of a

plugged evaporator condensate pan drain.

If any of the above conditions are not met, Unoccupied

Free Cool mode will be stopped, otherwise, the mode will

be controlled as follows:

Linkage — The Linkage function in the PremierLink

controller is available for applications using a Linkage

thermostat or the 3V control system. If using the Linkage

thermostat, both the PremierLink controller and the stat

must be on the same CCN bus. When used as the air

source for a 3V control system, the PremierLink controller

is not required to be on the same CCN bus but it is

recommended. Linkage will be active when it is initiated

from the Linkage thermostat or the 3V Linkage

Coordinator through CCN communications and requires

no configuration. Only one device can be linked to the

PremierLink controller.

The NTFC setpoint (NTSP) is determined as NTSP =

(OCSP + OHSP) / 2

The Unoccupied Free Cool mode will be started when:

SPT > (NTSP + 2_F) and SPT > (OAT + 8_F)

The Unoccupied Free Cool mode will be stopped when:

SPT < NTSP or SPT < (OAT + 3_F)

Temperature Compensated Start — This function will run

when the controller is in unoccupied state and will

calculate early start bias time (SBT) based on space

temperature deviation from occupied setpoints in minutes

per degree. The following conditions will be met for the

function to run:

Download from Www.Somanuals.com. All Manuals Search And Download.

Once Linkage is active, the PremierLink controller’s own

SPT, temperature setpoints, and occupancy are ignored

and the controller will use the information provided by the

remote linkage device. The following information will be

received from the remote linked device and can be viewed

in the maintenance display table:

For more information on how the PremierLink controller

is used in conjunction with the Carrier 3V control system,

contact your CCN controls representative.

IMPORTANT: The PremierLink controller should not be

used as a linked air source in a ComfortIDt VAV system.

The ComfortID VAV system will NOT function correctly

when applied with a PremierLink controller as the air

source, resulting in poor comfort control and possible

equipment malfunction.

NOTE: The PremierLink controller can be used as an air

source in a 3V Pressure Independent (PI) System (a 3V

Linkage Coordinator with ComfortID PI Zone

Controllers), but it should not be used as an air source

with ComfortID controllers unless a 3V zone controller is

used as the Linkage Coordinator. Contact your Carrier

CCN controls representative for assistance.

S Supervisory Element

S Supervisory Bus

S Supervisory Block

S Average Occupied Heat Setpoint

S Average Occupied Cool Setpoint

S Average Unoccupied Heat Setpoint

S Average Unoccupied Cool Setpoint

S Average Zone Temp

Demand Limit — If the demand limit option is enabled,

the control will receive and accept Redline Alert and

Loadshed commands from the CCN loadshed controller.

When a redline alert is received, the control will set the

maximum stage of capacity equal to the stage of capacity

that the unit is operating at when the redline alert was

initiated.

S Average Occupied Zone Temp

S Occupancy Status

In return, the PremierLink controller will provide its SAT

and operating mode to the linked device.

It will convert its operating modes to Linkage modes. See

Table 14.

When loadshed command is received the control will

reduce capacity as shown in Table 15.

Table 14 – Linkage Modes

Table 15 – Loadshed Command — Gas and Electric

Heat Units

ROOFTOP MODE

Demand Limit

Heat

Cool or Free Cooling

IAQ Control

Temp. Compensated

Start Heat

Temp. Compensated

Start Cool

IAQ Purge

Occupied (Indoor Fan

ON)

Unoccupied Free Cool

Fire Shutdown

Factory/Field Test

Off

VALUE

N/A

LINKAGE MODE

N/A

Heating

Cooling

N/A

CURRENT CAPACITY

CMP1

NEW CAPACITY

DX Cooling OFF

CMP1

CMP1+CMP2

HS1

Wa r m --- u p

Heat OFF

HS1+HS2 (+HS3)

HS1

Cooling

Pressurization

Cooling

The controller will have a maximum demand limit timer

of 1 hour that prevents the unit from staying in load shed

or redline alert longer than 1 hour in the event the

controller loses communication with the network load

shed module. Should the maximum demand limit timer

expire prior to receiving the loadshed device command

from CCN, the control will stop demand limit mode and

return to normal operation.

Unoccupied Free Cooling

Evac

Off

The PremierLink controller will generate a Linkage

Communication Failure alarm if a failure occurs for 5

consecutive minutes once a Linkage has previously been

established. It will then revert back to its own SPT,

setpoints and occupancy schedule for control. For this

reason, Carrier strongly recommends that an SPT be

installed in the space on open plenum systems or in the

return air duct of ducted return air systems to provide

FASTENER TORQUE VALUES

See Table 16 for torque values.

continued

backup

operation.

When

Linkage

communication is restored, the controller will generate a

return to normal.

Download from Www.Somanuals.com. All Manuals Search And Download.

Table 16 – Torque Values

Supply fan motor mounting

Supply fan motor adjustment plate

Motor pulley setscrew

1 2 0 +/ --- 1 2 in --- lb s

7 2 +/ --- 5 in --- lb s

6 5 --- 7 0 in --- lb s

6 5 --- 7 5 in --- lb s

2 0 +/ --- 2 in --- lb s

8 4 +/ --- 1 2 in --- lb s

Fan pulley setscrew

Blower wheel hub setscrew

Bearing locking collar setscrew

Compressor mounting bolts

Condenser fan motor mounting bolts

Condenser fan hub setscrew

C08393

Fig. 65 - 50TC Typical Unit Wiring diagram - Power (A06)

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX I. MODEL NUMBER SIGNIFICANCE

Model Number Nomenclature

10 11 12 13 14 15 16 17 18

C --

____

Unit Heat Type

50 = Elec heat pkg rooftop

Brand / Packaging

0 = Standard

1 = LTL

Tier / Model

TC = Entry tier (with Puron)

Electrical Options

A = None

Heat Size

--- = N o h e a t

C = N o n --- f u se d d isc

D = Thru the base

F = Non---fused & thru the base

Refrig. System Options

A = Standard refrigeration system

D = 2 comp. upgrade

Service Options

0 = None

1 = Unpowered convenience outlet

2 = Powered convenience outlet

Cooling Tons

04 = 3 Ton

05 = 4 Ton

06 = 5 Ton

07 = 6 Ton

Intake / Exhaust Options

A = None

B = Temp econo w/ baro relief

F = Enthalpy econo w/ baro relief

K = 2 pos damper w/ baro relief

Base Unit Controls

Sensor Options

0 = Electromechanical

A = None

1 = PremierLink DDC controller

2 = Open protocol DDC controller

B = RA smoke detector

C = SA smoke detector

D = RA & SA smoke detector

Design Rev

E = CO sensor

Factory assigned

F = RA smoke detector & CO

G = SA smoke detector & CO

Voltage

H = RA & SA smoke detector & CO

1 = 575/3/60

3 = 208---230/1/60

5 = 208---230/3/60

6 = 460/3/60

Indoor Fan Options

1 = Standard static option

2 = Medium static option

3 = High static option

Coil Options (Outdoor Coil --- Indoor Coil)

A = Al/Cu --- Al/Cu

B = P r e co a t A l/ C u --- A l/ C u

C = E co a t A l/ C u --- A l/ C u

D = E coat Al/Cu --- E coat Al/Cu

E = Cu/Cu --- Al/Cu

F = Cu/Cu --- Cu/Cu

Serial Number Format

POSITION NUMBER

TYPICAL

POSITION

1---2

DESIGNATES

Week of manufacture (fiscal calendar

Year of manufacture (“08” = 2008)

3---4

Manufacturing location (G = ETP, Texas, USA)

Sequential number

6---10

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX II. PHYSICAL DATA

3 -- 6 TONS

Physical Data (Cooling)

50TC**04

50TC**05

50TC**06

50TC**07

Refrigeration System

# Circuits / # Comp. / Type

Puron (R---410a) charge A/B (lbs)

Oil A/B (oz)

1 / 1 / Scroll

5.6

1 / 1 / Scroll

8.5

1 / 1 / Scroll

10.7

1 / 1 / Scroll

14.1

Metering Device

High---press. Trip / Reset (psig)

Low---press. Trip / Reset (psig)

Acutrol

630 / 505

54 / 117

Acutrol

630 / 505

54 / 117

Acutrol

630 / 505

54 / 117

Acutrol

630 / 505

54 / 117

Evap. Coil

Material

Coil type

Cu / Al

3/8” RTPF

2 / 15

Cu / Al

3/8” RTPF

2 / 15

Cu / Al

3/8” RTPF

4 / 15

Cu / Al

3/8” RTPF

4 / 15

Rows / FPI

Total Face Area (ft )

5.5

7.3

Condensate Drain Conn. Size

3/4”

Evap. Fan and Motor

1 / Belt

1.2

560---854

1 / Centrifugal

10 x 10

1 / Belt

1.2

770---1175

1 / Centrifugal

10 x 10

---

Motor Qty / Drive Type

Max BHP

1 / Belt

1.2

560---854

1 / Centrifugal

10 x 10

RPM Range

Motor Frame Size

Fan Qty / Type

Fan Diameter (in)

Motor Qty / Drive Type

Max BHP

1 / Belt

1.2

560---854

1 / Centrifugal

10 x 10

1 / Belt

1.2

560---854

1 / Centrifugal

10 x 10

1 / Belt

1.2

770---1175

1 / Centrifugal

10 x 10

1 / Belt

2.4

1073---1457

1 / Centrifugal

10 x 10

RPM Range

Motor Frame Size

Fan Qty / Type

Fan Diameter (in)

Motor Qty / Drive Type

Max BHP

1 / Belt

1.2

770---1175

1 / Centrifugal

10 x 10

1 / Belt

1.2

770---1175

1 / Centrifugal

10 x 10

1 / Belt

1.5

1035---1466

1 / Centrifugal

10 x 10

---

RPM Range

Motor Frame Size

Fan Qty / Type

Fan Diameter (in)

Motor Qty / Drive Type

Max BHP

1 / Belt

1.2

1 / Belt

1.2

1 / Belt

2.4

1 / Belt

2.9

RPM Range

770---1175

1 / Centrifugal

10 x 10

770---1175

1 / Centrifugal

10 x 10

1035---1466

1 / Centrifugal

10 x 10

1173---1788

1 / Centrifugal

10 x 10

Motor Frame Size

Fan Qty / Type

Fan Diameter (in)

Motor Qty / Drive Type

Max BHP

1 / Belt

2.4

1 / Belt

2.4

1 / Belt

2.9

1 / Belt

3.7

RPM Range

1035---1466

1 / Centrifugal

10 x 10

1035---1466

1 / Centrifugal

10 x 10

1303---1687

1 / Centrifugal

10 x 10

1474---1788

1 / Centrifugal

10 x 10

Motor Frame Size

Fan Qty / Type

Fan Diameter (in)

Cond. Coil

Material

Coil type

Cu / Al

3/8” RTPF

1 / 17

Cu / Al

3/8” RTPF

2 / 17

Cu / Al

3/8” RTPF

2 / 17

Cu / Al

3/8” RTPF

2 / 17

Rows / FPI

Total Face Area (ft )

14.6

12.6

16.5

21.3

Cond. fan / motor

Filters

Qty / Motor Drive Type

Motor HP / RPM

1/ Direct

1/4 / 1100

1/ Direct

1/4 / 1100

1/ Direct

1/4 / 1100

1/ Direct

1/4 / 1100

Fan diameter (in)

RA Filter # / Size (in)

OA inlet screen # / Size (in)

2 / 16 x 25 x 2

1 / 20 x 24 x 1

2 / 16 x 25 x 2

1 / 20 x 24 x 1

2 / 16 x 25 x 2

1 / 20 x 24 x 1

4 / 16 x 16 x 2

1 / 20 x 24 x 1

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE

General Fan Performance Notes:

1. Interpolation is permissible. Do not extrapolate.

2. External static pressure is the static pressure difference between the return duct and the supply duct plus the static

pressure caused by any FIOPs or accessories.

3. Tabular data accounts for pressure loss due to clean filters, unit casing, and wet coils. Factory options and accessories

may add static pressure losses. Selection software is available, through your salesperson, to help you select the best

motor/drive combination for your application.

4. The Fan Performance tables offer motor/drive recommendations. In cases when two motor/drive combinations would

work, Carrier recommended the lower horsepower option.

5. For information on the electrical properties of Carrier’s motors, please see the Electrical information section of this

book.

6. For more information on the performance limits of Carrier’s motors, see the application data section of this book.

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

50TC**04

1 Phase

3 Ton Horizontal Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.2

0.4

0.6

0.8

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

Medium Static Option

900

975

554

575

597

620

643

666

690

714

738

0.14

0.16

0.18

0.21

0.23

0.27

0.30

0.34

0.38

681

701

721

741

762

784

805

827

849

0.22

0.25

0.28

0.31

0.35

0.38

0.42

0.47

0.52

783

801

821

840

860

880

900

921

942

0.32

0.35

0.38

0.42

0.46

0.50

0.55

0.60

0.66

870

888

906

925

944

964

983

1003

1024

0.42

0.45

0.49

0.54

0.58

0.63

0.68

0.74

0.80

947

965

983

1001

1020

1039

1058

1077

1097

0.53

0.57

0.61

0.66

0.71

0.76

0.82

0.88

0.95

1050

1125

1200

1275

1350

1425

1500

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

900

975

1017

1035

1053

1071

1089

1107

1126

1145

1164

0.64

0.68

0.73

0.78

0.84

0.90

0.96

1.03

1.10

1082

1100

1117

1135

1153

1171

1189

1208

---

0.76

0.81

0.86

0.92

0.98

1.04

1.11

1.18

---

1143

1160

1177

1195

1212

1230

---

0.88

0.93

0.99

1.05

1.12

1.19

---

1200

1217

1234

1251

---

1.01

1.07

1.13

1.19

---

1254

1271

---

1.14

1.20

---

1050

1125

1200

1275

1350

1425

1500

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AG006) and belt (part number KR30AE039).

2. Recommend using field---supplied motor pulley (part number KR11HY161) and belt (part number KR30AE035).

50TC**04

1 Phase

3 Ton Vertical Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.4 0.6 0.8

0.2

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

Medium Static Option

900

975

566

590

615

640

666

692

719

746

774

0.14

0.17

0.19

0.22

0.25

0.29

0.33

0.37

0.42

690

711

733

755

778

802

825

850

875

0.23

0.26

0.29

0.33

0.36

0.41

0.45

0.50

0.55

791

811

831

851

873

894

916

939

962

0.32

0.36

0.39

0.43

0.48

0.53

0.58

0.63

0.69

879

897

916

936

956

976

997

1019

1041

0.42

0.46

0.50

0.55

0.60

0.65

0.71

0.77

0.83

957

975

993

1012

1031

1051

1071

1091

1112

0.52

0.57

0.62

0.67

0.72

0.78

0.84

0.91

0.98

1050

1125

1200

1275

1350

1425

1500

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

900

975

1029

1046

1064

1082

1100

1119

1139

1159

1179

0.63

0.68

0.73

0.79

0.85

0.91

0.98

1.05

1.13

1095

1112

1129

1147

1165

1183

1202

1221

---

0.75

0.80

0.86

0.92

0.98

1.05

1.12

1.20

---

1157

1174

1190

1208

1225

1243

---

0.86

0.92

0.98

1.05

1.12

1.19

---

1216

1232

1248

1265

---

0.99

1.05

1.11

1.18

---

1272

1287

---

1.11

1.18

---

1050

1125

1200

1275

1350

1425

1500

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AG006) and belt (part number KR30AE039).

2. Recommend using field---supplied motor pulley (part number KR11HY161) and belt (part number KR30AE035).

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

50TC**04

3 Phase

3 Ton Horizontal Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.2

0.4

0.6

0.8

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

Medium Static Option

900

975

554

575

597

620

643

666

690

714

738

0.14

0.16

0.18

0.21

0.23

0.27

0.30

0.34

0.38

681

701

721

741

762

784

805

827

849

0.22

0.25

0.28

0.31

0.35

0.38

0.42

0.47

0.52

783

801

821

840

860

880

900

921

942

0.32

0.35

0.38

0.42

0.46

0.50

0.55

0.60

0.66

870

888

906

925

944

964

983

1003

1024

0.42

0.45

0.49

0.54

0.58

0.63

0.68

0.74

0.80

947

965

983

1001

1020

1039

1058

1077

1097

0.53

0.57

0.61

0.66

0.71

0.76

0.82

0.88

0.95

1050

1125

1200

1275

1350

1425

1500

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

High Static Option

900

975

1017

1035

1053

1071

1089

1107

1126

1145

1164

0.64

0.68

0.73

0.78

0.84

0.90

0.96

1.03

1.10

1082

1100

1117

1135

1153

1171

1189

1208

1227

0.76

0.81

0.86

0.92

0.98

1.04

1.11

1.18

1.25

1143

1160

1177

1195

1212

1230

1249

1267

1285

0.88

0.93

0.99

1.05

1.12

1.19

1.26

1.33

1.41

1200

1217

1234

1251

1269

1286

1304

1323

1341

1.01

1.07

1.13

1.19

1.26

1.33

1.41

1.49

1.58

1254

1271

1288

1305

1322

1340

1357

1375

1394

1.14

1.20

1.27

1.34

1.41

1.49

1.57

1.66

1.75

1050

1125

1200

1275

1350

1425

1500

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AG006) and belt (part number KR30AE039).

50TC**04

3 Phase

3 Ton Vertical Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.4 0.6 0.8

0.2

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

Medium Static Option

900

975

566

590

615

640

666

692

719

746

774

0.14

0.17

0.19

0.22

0.25

0.29

0.33

0.37

0.42

690

711

733

755

778

802

825

850

875

0.23

0.26

0.29

0.33

0.36

0.41

0.45

0.50

0.55

791

811

831

851

873

894

916

939

962

0.32

0.36

0.39

0.43

0.48

0.53

0.58

0.63

0.69

879

897

916

936

956

976

997

1019

1041

0.42

0.46

0.50

0.55

0.60

0.65

0.71

0.77

0.83

957

975

993

1012

1031

1051

1071

1091

1112

0.52

0.57

0.62

0.67

0.72

0.78

0.84

0.91

0.98

1050

1125

1200

1275

1350

1425

1500

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

High Static Option

900

975

1029

1046

1064

1082

1100

1119

1139

1159

1179

0.63

0.68

0.73

0.79

0.85

0.91

0.98

1.05

1.13

1095

1112

1129

1147

1165

1183

1202

1221

1241

0.75

0.80

0.86

0.92

0.98

1.05

1.12

1.20

1.28

1157

1174

1190

1208

1225

1243

1262

1280

1300

0.86

0.92

0.98

1.05

1.12

1.19

1.27

1.35

1.44

1216

1232

1248

1265

1282

1300

1318

1336

1355

0.99

1.05

1.11

1.18

1.26

1.34

1.42

1.51

1.60

1272

1287

1304

1320

1337

1354

1372

1390

1408

1.11

1.18

1.25

1.32

1.40

1.49

1.57

1.66

1.76

1050

1125

1200

1275

1350

1425

1500

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AG006) and belt (part number KR30AE039).

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

50TC**05

1 Phase

4 Ton Horizontal Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.2

0.4

0.6

0.8

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

Medium Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

643

674

706

738

771

804

837

871

906

0.23

0.28

0.33

0.38

0.44

0.51

0.59

0.67

0.76

762

791

820

849

879

910

941

972

1004

0.35

0.40

0.45

0.52

0.59

0.66

0.75

0.84

0.94

860

887

914

942

971

1000

1029

1059

1089

0.46

0.52

0.59

0.66

0.74

0.82

0.91

1.02

1.12

944

970

997

1024

1051

1079

1107

1136

---

0.58

0.65

0.72

0.80

0.89

0.98

1.08

1.19

---

1020

1045

1071

1097

1124

1151

---

0.71

0.78

0.86

0.95

1.04

1.14

---

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

1089

1114

1139

1164

1190

---

0.84

0.92

1.01

1.10

1.20

---

1153

1177

1202

---

0.98

1.06

1.15

---

1212

1.12

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied motor pulley (part number KR11HY161) and belt (part number KR30AE035).

50TC**05

1 Phase

4 Ton Vertical Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.4 0.6 0.8

0.2

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

Medium Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

666

701

737

774

811

849

887

926

965

0.25

0.30

0.36

0.42

0.49

0.57

0.65

0.75

0.86

778

809

842

875

909

943

978

1014

1050

0.36

0.42

0.48

0.55

0.63

0.72

0.81

0.92

1.03

873

902

932

962

994

1026

1059

1092

---

0.48

0.54

0.61

0.69

0.78

0.87

0.98

1.09

---

956

983

1012

1041

1071

1101

1133

---

0.60

0.67

0.75

0.83

0.93

1.03

1.14

---

1031

1057

1085

1112

1141

1170

---

0.72

0.80

0.89

0.98

1.08

1.19

---

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

1100

1126

1152

1179

1206

1235

1264

1293

1324

0.85

0.94

1.03

1.13

1.24

1.36

1.48

1.62

1.77

1165

1189

1215

---

0.98

1.07

1.17

---

1225

1.12

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied motor pulley (part number KR11HY161) and belt (part number KR30AE035).

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

50TC**05

3 Phase

4 Ton Horizontal Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.2

0.4

0.6

0.8

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

Medium Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

643

674

706

738

771

804

837

871

906

0.23

0.28

0.33

0.38

0.44

0.51

0.59

0.67

0.76

762

791

820

849

879

910

941

972

1004

0.35

0.40

0.45

0.52

0.59

0.66

0.75

0.84

0.94

860

887

914

942

971

1000

1029

1059

1089

0.46

0.52

0.59

0.66

0.74

0.82

0.91

1.02

1.12

944

970

997

1024

1051

1079

1107

1136

1165

0.58

0.65

0.72

0.80

0.89

0.98

1.08

1.19

1.31

1020

1045

1071

1097

1124

1151

1178

1206

1234

0.71

0.78

0.86

0.95

1.04

1.14

1.25

1.37

1.49

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

High Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

1089

1114

1139

1164

1190

1217

1244

1271

1298

0.84

0.92

1.01

1.10

1.20

1.31

1.42

1.55

1.68

1153

1177

1202

1227

1252

1278

1305

1331

1358

0.98

1.06

1.15

1.25

1.36

1.48

1.60

1.73

1.87

1212

1236

1261

1285

1311

1336

1362

1388

1415

1.12

1.21

1.31

1.41

1.53

1.65

1.78

1.92

2.07

1269

1292

1316

1341

1366

1391

1416

1442

1468

1.26

1.36

1.47

1.58

1.70

1.83

1.97

2.11

2.27

1322

1346

1369

1394

1418

1443

1468

1494

---

1.41

1.52

1.63

1.75

1.87

2.01

2.15

2.31

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AZ506), motor pulley (part number KR11HY181) and belt (part number

KR30AE041).

50TC**05

3 Phase

4 Ton Vertical Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.4 0.6 0.8

0.2

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

Medium Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

666

701

737

774

811

849

887

926

965

0.25

0.30

0.36

0.42

0.49

0.57

0.65

0.75

0.86

778

809

842

875

909

943

978

1014

1050

0.36

0.42

0.48

0.55

0.63

0.72

0.81

0.92

1.03

873

902

932

962

994

1026

1059

1092

1127

0.48

0.54

0.61

0.69

0.78

0.87

0.98

1.09

1.21

956

983

0.60

0.67

0.75

0.83

0.93

1.03

1.14

1.26

1.39

1031

1057

1085

1112

1141

1170

1200

1231

1262

0.72

0.80

0.89

0.98

1.08

1.19

1.31

1.44

1.58

1012

1041

1071

1101

1133

1164

1197

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

High Static Option

1200

1300

1400

1500

1600

1700

1800

1900

2000

1100

1126

1152

1179

1206

1235

1264

1293

1324

0.85

0.94

1.03

1.13

1.24

1.36

1.48

1.62

1.77

1165

1189

1215

1241

1268

1295

1323

1352

1381

0.98

1.07

1.17

1.28

1.40

1.52

1.66

1.80

1.96

1225

1249

1274

1300

1326

1352

1380

1408

1436

1.12

1.22

1.32

1.44

1.56

1.69

1.84

1.99

2.15

1282

1306

1330

1355

1381

1407

1434

1461

1489

1.26

1.36

1.48

1.60

1.73

1.87

2.02

2.17

2.34

1337

1360

1384

1408

1433

1459

1485

1512

---

1.40

1.51

1.63

1.76

1.90

2.04

2.20

2.37

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AZ506), motor pulley (part number KR11HY181) and belt (part number

KR30AE041).

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

50TC**06

1 Phase

5 Ton Horizontal Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.2

0.4

0.6

0.8

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

724

765

806

849

892

935

980

1024

1069

0.33

0.40

0.48

0.57

0.67

0.79

0.92

1.06

1.22

837

873

909

947

986

1025

1066

1107

1149

0.45

0.53

0.61

0.71

0.82

0.94

1.08

1.23

1.39

937

969

1002

1036

1072

1108

1146

1184

---

0.59

0.67

0.76

0.86

0.98

1.11

1.25

1.41

---

1028

1056

1087

1118

1151

1185

1220

---

0.74

0.83

0.92

1.03

1.15

1.29

1.43

---

1111

1137

1165

1195

1226

1258

---

0.91

1.00

1.10

1.21

1.33

1.47

---

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

1188

1213

1239

1267

---

1.09

1.18

1.28

1.40

---

1261

1284

1309

---

1.29

1.38

1.49

---

1330

---

1.49

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AZ606) and belt (part number KR30AE037).

50TC**06

1 Phase

5 Ton Vertical Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.4 0.6 0.8

0.2

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

790

837

885

934

0.40

0.48

0.58

0.69

0.81

0.95

1.11

1.28

1.48

897

940

983

0.53

0.62

0.73

0.85

0.98

1.13

1.29

1.48

---

991

0.68

0.77

0.89

1.01

1.16

1.31

1.49

---

1075

1112

1150

1189

1229

1270

---

0.83

0.94

1.06

1.19

1.34

1.50

---

1152

1187

1223

1260

---

1.00

1.11

1.24

1.38

---

1030

1070

1112

1154

1198

1242

---

1027

983

1073

1119

1166

1214

---

1033

1084

1134

1185

---

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

1224

1257

1292

---

1.18

1.30

1.43

---

1291

1323

---

1.36

1.49

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

50TC**06

3 Phase

5 Ton Horizontal Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.2

0.4

0.6

0.8

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

724

765

806

849

892

935

980

1024

1069

0.33

0.40

0.48

0.57

0.67

0.79

0.92

1.06

1.22

837

873

909

947

986

1025

1066

1107

1149

0.45

0.53

0.61

0.71

0.82

0.94

1.08

1.23

1.39

937

969

1002

1036

1072

1108

1146

1184

1223

0.59

0.67

0.76

0.86

0.98

1.11

1.25

1.41

1.58

1028

1056

1087

1118

1151

1185

1220

1256

1293

0.74

0.83

0.92

1.03

1.15

1.29

1.43

1.60

1.77

1111

1137

1165

1195

1226

1258

1291

1325

1360

0.91

1.00

1.10

1.21

1.33

1.47

1.63

1.79

1.98

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

1188

1213

1239

1267

1296

1326

1358

1390

1424

1.09

1.18

1.28

1.40

1.53

1.67

1.83

2.00

2.19

1261

1284

1309

1335

1363

1392

1421

1452

1484

1.29

1.38

1.49

1.60

1.74

1.88

2.05

2.22

2.42

1330

1352

1375

1400

1427

1454

1483

1512

1543

1.49

1.59

1.70

1.82

1.95

2.11

2.27

2.45

2.65

1395

1416

1439

1462

1488

1514

1541

1570

1599

1.71

1.81

1.92

2.04

2.18

2.34

2.51

2.69

2.89

1457

1478

1499

1522

1546

1571

1598

1625

1654

1.95

2.04

2.16

2.28

2.42

2.58

2.75

2.94

3.15

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AZ606) and belt (part number KR30AE037).

50TC**06

3 Phase

5 Ton Vertical Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.4 0.6 0.8

0.2

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

790

837

885

934

983

1033

1084

1134

1185

0.40

0.48

0.58

0.69

0.81

0.95

1.11

1.28

1.48

897

940

983

1027

1073

1119

1166

1214

1262

0.53

0.62

0.73

0.85

0.98

1.13

1.29

1.48

1.68

991

0.68

0.77

0.89

1.01

1.16

1.31

1.49

1.68

1.89

1075

1112

1150

1189

1229

1270

1312

1355

1399

0.83

0.94

1.06

1.19

1.34

1.50

1.69

1.89

2.10

1152

1187

1223

1260

1299

1338

1379

1420

1462

1.00

1.11

1.24

1.38

1.53

1.71

1.89

2.10

2.33

1030

1070

1112

1154

1198

1242

1287

1333

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Medium Static Option

1500

1625

1750

1875

2000

2125

2250

2375

2500

1224

1257

1292

1327

1364

1402

1441

1481

1522

1.18

1.30

1.43

1.57

1.74

1.92

2.11

2.33

2.56

1291

1323

1356

1391

1427

1463

1501

1539

1579

1.36

1.49

1.63

1.78

1.95

2.13

2.34

2.56

2.80

1354

1385

1418

1451

1486

1521

1558

1595

---

1.56

1.69

1.83

1.99

2.17

2.36

2.57

2.80

---

1414

1445

1476

1509

1542

1577

1612

---

1.77

1.90

2.05

2.21

2.39

2.59

2.81

---

1472

1501

1532

1564

1596

1630

---

1.98

2.12

2.27

2.44

2.63

2.83

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

50TC**07

3 Phase

6 Ton Horizontal Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.2

0.4

0.6

0.8

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

1800

1950

2100

2250

2400

2550

2700

2850

3000

822

872

923

0.51

0.62

0.75

0.90

1.06

1.25

1.46

1.69

1.94

927

973

0.66

0.79

0.92

1.08

1.26

1.46

1.67

1.92

2.18

1018

1061

1104

1149

1195

1241

1289

1336

1385

0.82

0.95

1.10

1.27

1.46

1.67

1.90

2.15

2.43

1100

1140

1182

1224

1268

1312

1358

1404

1451

0.98

1.13

1.29

1.46

1.66

1.88

2.12

2.39

2.68

1174

1213

1253

1294

1336

1379

1422

1467

1512

1.15

1.31

1.48

1.66

1.87

2.10

2.35

2.63

2.93

1019

1067

1115

1164

1214

1264

1315

974

1026

1079

1132

1186

1240

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

Medium Static Option

1800

1950

2100

2250

2400

2550

2700

2850

3000

1244

1281

1320

1359

1400

1441

1483

1527

1571

1.33

1.49

1.67

1.87

2.09

2.33

2.59

2.87

3.18

1308

1345

1382

1420

1460

1500

1541

1583

1626

1.51

1.68

1.87

2.08

2.31

2.55

2.83

3.12

3.44

1369

1405

1441

1479

1517

1557

1597

1638

1680

1.70

1.88

2.08

2.29

2.53

2.79

3.07

3.37

3.70

1427

1462

1498

1534

1572

1610

1650

1690

---

1.90

2.09

2.29

2.51

2.76

3.03

3.32

3.63

---

1483

1517

1552

1587

1624

1662

1701

---

2.10

2.30

2.51

2.74

2.99

3.27

3.57

---

NOTE: For more information, see General Fan Performance Notes on page 543.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AZ406), motor pulley (part number KR11HY151) and belt (part number

KR30AE035).

50TC**07

3 Phase

6 Ton Vertical Supply

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

0.4 0.6 0.8

0.2

1.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Field Supplied Drive

Standard Static Option

1800

1950

2100

2250

2400

2550

2700

2850

3000

907

965

0.63

0.77

0.93

1.11

1.32

1.55

1.81

2.09

2.41

1006

1060

1115

1170

1227

1284

1342

1400

1459

0.80

0.95

1.12

1.32

1.54

1.78

2.06

2.36

2.69

1092

1143

1195

1248

1302

1357

1412

1469

1525

0.97

1.13

1.32

1.53

1.76

2.02

2.31

2.62

2.97

1169

1218

1268

1319

1371

1424

1478

1532

1587

1.14

1.32

1.52

1.74

1.99

2.26

2.56

2.89

3.25

1239

1287

1335

1385

1435

1487

1539

1592

1646

1.32

1.51

1.72

1.96

2.22

2.50

2.82

3.16

3.53

1024

1083

1143

1203

1264

1326

1387

AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG)

1.4 1.6 1.8

1.2

2.0

CFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

Standard Static Option

Medium Static Option

1800

1950

2100

2250

2400

2550

2700

2850

3000

1304

1350

1398

1446

1496

1546

1597

1648

---

1.51

1.71

1.93

2.18

2.45

2.75

3.07

3.43

---

1365

1410

1457

1504

1552

1601

1651

1702

---

1.69

1.91

2.14

2.40

2.68

2.99

3.33

3.70

---

1422

1467

1512

1559

1606

1654

1703

---

1.88

2.11

2.35

2.62

2.92

3.24

3.59

---

1477

1520

1565

1611

1658

1705

---

2.08

2.31

2.57

2.85

3.16

3.50

---

1528

1572

1616

1661

1707

---

2.28

2.52

2.79

3.09

3.40

---

NOTE: For more information, see General Fan Performance Notes on page 54.

Boldface indicates field---supplied drive is required.

1. Recommend using field---supplied fan pulley (part number KR11AZ406), motor pulley (part number KR11HY151) and belt (part number

KR30AE035).

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX III. FAN PERFORMANCE (cont.)

Pulley Adjustment

MOTOR PULLEY TURNS OPEN

MOTOR/DRIVE

UNIT

COMBO

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

Standard Static

854

825

795

766

736

707

678

648

619

589

560

Medium Static

High Static

1175

---

1135

---

1094

---

1054

---

1013

---

973

---

932

---

892

---

851

---

811

---

770

---

Standard Static

Medium Static

High Static

854

825

795

766

736

707

973

1251

707

973

---

678

932

1207

678

932

---

648

892

1164

648

892

---

619

851

1121

619

851

---

589

811

1078

589

811

---

560

770

1035

560

770

---

1175

1466

854

1135

1423

825

1094

1380

795

1054

1337

766

1013

1294

736

Standard Static

Medium Static

High Static

1175

---

1135

---

1094

---

1054

---

1013

---

Standard Static

Medium Static

High Static

854

825

795

766

736

707

973

1251

973

1251

---

678

932

1207

932

1207

---

648

892

1164

892

1164

---

619

851

1121

851

1121

---

589

811

1078

811

1078

---

560

770

1035

770

1035

---

1175

1466

1175

1466

---

1135

1423

1135

1423

---

1094

1380

1094

1380

---

1054

1337

1054

1337

---

1013

1294

1013

1294

---

Standard Static

Medium Static

High Static

Standard Static

Medium Static

High Static

1175

1466

1687

1457

1518

1788

1135

1423

1649

1419

1484

1757

1094

1380

1610

1380

1449

1725

1054

1337

1572

1342

1415

1694

1013

1294

1533

1303

1380

1662

973

1251

1495

1265

1346

1631

932

1207

1457

1227

1311

1600

892

1164

1418

1188

1277

1568

851

1121

1380

1150

1242

1537

811

1078

1341

1111

1208

1505

770

1035

1303

1073

1173

1474

Standard Static

Medium Static

High Static

NOTE: Do not adjust pulley further than 5 turns open.

--- Factor y settin gs

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX IV. ELECTRICAL DATA

50TC**04

3 TONS

VOLTAGE

RANGE

COMP (ea)

RLA LRA

OFM (ea)

IFM

Max

AMP Draw

5.1

V --- P h --- H z

Max

WATTS

325

FLA

1.5

TYPE

EFF at Full Load

FLA

MIN

MAX

WATTS

1000

2120

1000

2120

1000

2120

1000

2120

Std Static

Med Static

Std Static

Med Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

70%

80%

70%

80%

70%

80%

71%

80%

4.9

5.2

4.9

5.2

2.1

2.6

1.9

2.0

2 0 8 --- 1 --- 6 0

2 3 0 --- 1 --- 6 0

187

253

16.6

5.1

5.5

5.1

5.5

2.2

2.7

2.0

2.1

253

325

1.5

2 0 8 --- 3 --- 6 0

2 3 0 --- 3 --- 6 0

4 6 0 --- 3 --- 6 0

5 7 5 --- 3 --- 6 0

187

414

518

10.4

5.8

325

1.5

0.8

0.6

253

506

633

3.8

50TC**05

4 TONS

VOLTAGE

RANGE

COMP (ea)

RLA LRA

OFM (ea)

IFM

V --- P h --- H z

Max

WATTS

1000

1850

1000

1850

1000

2120

1000

2120

1000

2120

1000

2120

Max

AMP Draw

5.1

WATTS

325

FLA

1.5

TYPE

EFF at Full Load

FLA

MIN

MAX

Std Static

Med Static

Std Static

Med Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

70%

78%

70%

78%

70%

80%

70%

80%

70%

80%

71%

80%

4.9

7.0

4.9

7.0

4.9

5.2

4.9

5.2

2.1

2.6

1.9

2.0

2 0 8 --- 1 --- 6 0

2 3 0 --- 1 --- 6 0

187

253

21.8

117

7.4

5.1

7.4

5.1

5.5

5.1

5.5

2.2

2.7

2.0

2.1

253

325

1.5

2 0 8 --- 3 --- 6 0

2 3 0 --- 3 --- 6 0

4 6 0 --- 3 --- 6 0

5 7 5 --- 3 --- 6 0

187

414

518

13.7

6.2

325

1.5

0.8

0.6

253

506

633

4.8

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX IV. ELECTRICAL DATA (cont.)

50TC**06

5 TONS

VOLTAGE

RANGE

COMP (ea)

RLA LRA

OFM (ea)

WATTS FLA

IFM

V --- P h --- H z

Max

WATTS

1000

1850

1000

1850

1000

2120

2615

1000

2120

2615

2120

2615

2120

3775

Max

AMP Draw

5.1

TYPE

EFF at Full Load

FLA

MIN

MAX

Std Static

Med Static

Std Static

Med Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

70%

78%

70%

78%

70%

80%

81%

70%

80%

81%

80%

81%

80%

81%

4.9

7.0

4.9

7.0

4.9

5.2

7.5

4.9

5.2

7.5

2.6

3.4

2.0

2.8

2 0 8 --- 1 --- 6 0

2 3 0 --- 1 --- 6 0

187

253

26.2

134

325

1.5

7.4

5.1

7.4

5.1

5.5

7.9

5.1

5.5

7.9

2.7

3.6

2.1

2.9

253

2 0 8 --- 3 --- 6 0

2 3 0 --- 3 --- 6 0

4 6 0 --- 3 --- 6 0

5 7 5 --- 3 --- 6 0

187

414

518

15.6

7.7

110

325

1.5

0.8

0.6

253

506

633

5.8

50TC**07

6 TONS

VOLTAGE

RANGE

COMP (ea)

RLA LRA

OFM (ea)

WATTS FLA

IFM

V --- P h --- H z

Max

WATTS

2120

2615

3775

2120

2615

3775

2120

2615

3775

2120

3775

Max

AMP Draw

5.5

TYPE

EFF at Full Load

FLA

MIN

MAX

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

Std Static

Med Static

High Static

80%

81%

80%

81%

80%

81%

80%

81%

5.2

7.5

10.2

5.2

7.5

10.2

2.6

3.4

4.8

2.0

2.8

2 0 8 --- 3 --- 6 0

2 3 0 --- 3 --- 6 0

4 6 0 --- 3 --- 6 0

5 7 5 --- 3 --- 6 0

187

414

518

253

19.0

9.7

325

1.5

0.8

0.6

7.9

10.7

5.5

7.9

10.7

2.7

3.6

5.0

2.1

2.9

253

506

633

7.4

2.9

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX IV. ELECTRICAL DATA (cont.)

MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O.

ELECTRIC HEATER

NO C.O. or UNPWR C.O.

NO P.E.

w/ P.E. (pwrd fr/unit)

IFM

TYPE

DISC. SIZE

Nom (kW)

FLA

MCA

MOCP

MCA

MOCP

FLA

LRA

FLA

LRA

None

3.3/4.4

4.9/6.5

6.5/8.7

7.9/10.5

9.8/13.0

None

3.3/4.4

4.9/6.5

6.5/8.7

7.9/10.5

9.8/13.0

None

3.3/4.4

4.9/6.5

6.5/8.7

7.9/10.5

12.0/16.0

None

15.9/18.3

23.5/27.1

31.4/36.3

37.9/43.8

46.9/54.2

None

15.9/18.3

23.5/27.1

31.4/36.3

37.9/43.8

46.9/54.2

None

9.2/10.6

13.6/15.6

18.1/20.9

21.9/25.3

33.4/38.5

None

27.2

27.2/29.0

35.5/40.0

45.4/51.5

53.5/60.9

64.8/73.9

27.2

27.2/29.0

35.5/40.0

45.4/51.5

53.5/60.9

64.8/73.9

19.4

19.4/19.4

23.1/25.6

28.8/32.3

33.5/37.8

47.9/54.3

19.4

40/40

40/45

50/60

60/70

70/80

40/40

40/45

50/60

60/70

70/80

25/25

25/30

30/35

35/40

50/60

26/27

33/37

42/47

49/56

60/68

26/27

33/37

42/47

49/56

60/68

19/19

21/24

26/30

31/35

44/50

95/95

89/89

29.1

29.1/31.4

37.9/42.4

47.8/53.9

55.9/63.3

67.1/76.3

29.1

29.1/31.4

37.9/42.4

47.8/53.9

55.9/63.3

67.1/76.3

21.3

21.3/21.8

25.5/28.0

31.1/34.6

35.9/40.1

50.3/56.6

21.3

45/45

50/60

60/70

70/80

45/45

50/60

60/70

70/80

30/30

35/35

40/45

60/60

29/29

35/39

44/50

51/58

62/70

29/29

35/39

44/50

51/58

62/70

22/22

23/26

29/32

33/37

46/52

97/97

91/91

STD

MED

STD

3.3/4.4

4.9/6.5

6.5/8.7

7.9/10.5

12.0/16.0

None

3.3/4.4

4.9/6.5

6.5/8.7

7.9/10.5

12.0/16.0

None

9.2/10.6

13.6/15.6

18.1/20.9

21.9/25.3

33.4/38.5

None

9.2/10.6

13.6/15.6

18.1/20.9

21.9/25.3

33.4/38.5

None

19.4/19.4

23.1/25.6

28.8/32.3

33.5/37.8

47.9/54.3

19.7

19.7/19.8

23.5/26.0

29.1/32.6

33.9/38.1

48.3/54.6

10.2

25/25

25/30

30/35

35/40

50/60

30/30

30/35

35/40

50/60

19/19

21/24

26/30

31/35

44/50

20/20

22/24

27/30

31/35

44/50

89/89

107

107/107

21.3/21.8

25.5/28.0

31.1/34.6

35.9/40.1

50.3/56.6

21.6

21.6/22.1

25.9/28.4

31.5/35.0

36.3/40.5

50.6/57.0

11.2

30/30

35/35

40/45

60/60

30/30

35/40

40/45

60/60

22/22

23/26

29/32

33/37

46/52

22/22

24/26

29/32

33/37

47/52

91/91

109

109/109

MED

HIGH

6.0

7.2

11.6

12.9

STD

MED

HIGH

8.8

11.5

14.0

None

6.0

8.8

11.5

14.0

10.6

13.8

16.8

None

7.2

10.6

13.8

16.8

15.9

19.9

23.6

10.2

11.6

15.9

19.9

23.6

17.1

21.1

24.9

11.2

12.9

17.1

21.1

24.9

None

6.0

8.8

None

7.2

10.6

10.7

12.3

16.5

11.7

13.5

17.8

11.5

13.8

20.5

21.8

14.0

16.8

24.3

25.5

STD

MED

HIGH

None

7.3

7.4

9.2

9.3

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX IV. ELECTRICAL DATA (cont)

MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. (cont)

ELECTRIC HEATER

NO C.O. or UNPWR C.O.

NO P.E.

w/ P.E. (pwrd fr/unit)

IFM

TYPE

DISC. SIZE

Nom (kW)

FLA

MCA

MOCP

MCA

MOCP

FLA

LRA

FLA

LRA

None

3.3/4.4

6.5/8.7

9.8/13.0

13.1/17.4

15.8/21.0

None

15.9/18.3

31.4/36.3

46.9/54.2

62.8/72.5

75.8/87.5

None

33.7

32/32

42/47

60/68

78/89

93/106

133

35.6

35/35

44/50

62/70

80/91

95/108

135

135/135

135

33.7/33.7

45.4/51.5

64.8/73.9

84.6/96.8

50/50

50/60

70/80

90/100

133/133

35.6/35.6

47.8/53.9

67.1/76.3

87.0/99.1

50/50

50/60

70/80

90/100

STD

100.9/115.5 110/125

133/133 103.3/117.9 110/125

133

33.7

35.6

3.3/4.4

6.5/8.7

9.8/13.0

13.1/17.4

15.8/21.0

None

4.9/6.5

6.5/8.7

12.0/16.0

15.8/21.0

None

4.9/6.5

6.5/8.7

12.0/16.0

15.8/21.0

None

4.9/6.5

6.5/8.7

12.0/16.0

15.8/21.0

None

15.9/18.3

31.4/36.3

46.9/54.2

62.8/72.5

75.8/87.5

None

13.6/15.6

18.1/20.9

33.4/38.5

43.8/50.5

None

13.6/15.6

18.1/20.9

33.4/38.5

43.8/50.5

None

13.6/15.6

18.1/20.9

33.4/38.5

43.8/50.5

None

33.7/33.7

45.4/51.5

64.8/73.9

84.6/96.8

50/50

50/60

70/80

90/100

32/32

42/47

60/68

78/89

93/106

23/24

26/30

44/50

56/64

23/24

26/30

44/50

56/64

23/24

27/30

44/50

56/64

133/133

35.6/35.6

47.8/53.9

67.1/76.3

87.0/99.1

50/50

50/60

70/80

90/100

35/35

44/50

62/70

80/91

95/108

25/26

29/32

46/52

58/66

25/26

29/32

46/52

58/66

26/26

29/32

47/52

59/66

135/135

101

101/101

101

101/101

119

119/119

MED

100.9/115.5 110/125

133/133 103.3/117.9 110/125

23.5

23.5/25.6

28.8/32.3

47.9/54.3

60.9/69.3

23.5

23.5/25.6

28.8/32.3

47.9/54.3

60.9/69.3

23.8

23.8/26.0

29.1/32.6

48.3/54.6

61.3/69.6

10.7

30/30

30/35

50/60

70/70

30/30

30/35

50/60

70/70

30/30

30/35

50/60

70/70

99/99

117

117/117

25.4

25.5/28.0

31.1/34.6

50.3/56.6

63.3/71.6

25.4

25.5/28.0

31.1/34.6

50.3/56.6

63.3/71.6

25.7

25.9/28.4

31.5/35.0

50.6/57.0

63.6/72.0

11.7

30/30

35/35

60/60

70/80

30/30

35/35

60/60

70/80

30/30

35/40

60/60

70/80

STD

MED

HIGH

STD

6.0

11.5

7.2

13.8

11.6

19.9

12.9

21.1

14.0

16.8

23.6

24.9

23.0

27.7

37.3

38.5

None

10.7

11.7

6.0

7.2

11.6

12.9

MED

HIGH

11.5

14.0

23.0

None

6.0

11.5

13.8

16.8

27.7

None

7.2

13.8

19.9

23.6

37.3

11.2

12.3

20.5

21.1

24.9

38.5

12.2

13.5

21.8

14.0

16.8

24.3

25.5

23.0

27.7

37.9

39.1

STD

MED

HIGH

None

8.5

8.6

10.4

10.5

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX IV. ELECTRICAL DATA (cont)

MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. (cont)

ELECTRIC HEATER

NO C.O. or UNPWR C.O.

NO P.E.

w/ P.E. (pwrd fr/unit)

IFM

TYPE

DISC. SIZE

Nom (kW)

FLA

MCA

MOCP

MCA

MOCP

FLA

LRA

FLA

LRA

None

4.9/6.5

6.5/8.7

9.8/13.0

13.1/17.4

15.8/21.0

None

4.9/6.5

6.5/8.7

9.8/13.0

13.1/17.4

15.8/21.0

None

4.9/6.5

7.9/10.5

12.0/16.0

15.8/21.0

19.9/26.5

None

23.5/27.1

31.4/36.3

46.9/54.2

62.8/72.5

75.8/87.5

None

23.5/27.1

31.4/36.3

46.9/54.2

62.8/72.5

75.8/87.5

None

13.6/15.6

21.9/25.3

33.4/38.5

43.8/50.5

55.2/63.8

None

39.2

37/37

42/47

60/68

78/89

93/106

40/40

44/50

62/70

80/91

95/109

25/25

31/35

44/50

56/64

69/79

150

41.1

40/40

44/50

62/70

80/91

95/108

42/42

46/52

64/73

82/94

97/111

27/27

33/37

46/52

58/66

71/81

152

152/152

177

177/177

128

128/128

146

39.2/40.0

45.4/51.5

64.8/73.9

84.6/96.8

60/60

70/80

90/100

150/150

41.1/42.4

47.8/53.9

67.1/76.3

87.0/99.1

60/60

70/80

90/100

STD

MED

STD

100.9/115.5 110/125

150/150 103.3/117.9 110/125

175

175/175

41.3

43.2

41.3/42.6

48.0/54.1

67.4/76.5

87.3/99.4

60/60

70/80

90/100

43.2/45.0

50.4/56.5

69.8/78.9

89.6/101.8

60/60

70/80

90/110

103.5/118.1 110/125

175/175 105.9/120.5 110/125

25.9

25.9/25.9

33.5/37.8

47.9/54.3

60.9/69.3

75.1/85.9

26.2

30/30

40/40

50/60

70/70

80/90

126

126/126

144

27.8

27.8/28.0

35.9/40.1

50.3/56.6

63.3/71.6

77.5/88.3

28.1

40/40

40/45

60/60

70/80

80/90

4.9/6.5

7.9/10.5

12.0/16.0

15.8/21.0

19.9/26.5

None

4.9/6.5

7.9/10.5

12.0/16.0

15.8/21.0

19.9/26.5

None

13.6/15.6

21.9/25.3

33.4/38.5

43.8/50.5

55.2/63.8

None

13.6/15.6

21.9/25.3

33.4/38.5

43.8/50.5

55.2/63.8

None

26.2/26.2

33.9/38.1

48.3/54.6

61.3/69.6

75.5/86.3

28.5

28.5/28.9

36.8/41.0

51.1/57.5

64.1/72.5

78.4/89.1

12.5

40/40

50/60

70/70

80/90

40/40

40/45

60/60

70/80

80/90

26/26

31/35

44/50

56/64

69/79

28/28

34/38

47/53

59/67

72/82

144/144

170

170/170

28.1/28.4

36.3/40.5

50.6/57.0

63.6/72.0

77.9/88.6

30.4

30.4/31.3

39.1/43.4

53.5/59.9

66.5/74.9

80.8/91.5

13.5

40/40

40/45

60/60

70/80

80/90

45/45

60/60

70/80

90/100

28/28

33/37

47/52

59/66

72/82

30/30

36/40

49/55

61/69

74/84

146/146

172

172/172

MED

HIGH

STD

6.0

11.5

14.0

7.2

13.8

16.8

12.5

19.9

23.6

13.5

21.1

24.9

23.0

27.7

37.3

38.5

25.5

30.7

41.0

42.3

None

6.0

7.2

13.0

14.0

11.5

14.0

23.0

25.5

None

6.0

11.5

14.0

13.8

16.8

27.7

30.7

None

7.2

13.8

16.8

20.5

24.3

37.9

41.6

13.8

21.5

25.3

21.8

25.5

39.1

42.9

14.8

22.8

26.5

MED

HIGH

23.0

27.7

38.9

40.1

25.5

30.7

42.6

43.9

STD

MED

HIGH

None

9.8

9.9

11.7

11.8

12.6

10.7

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX IV. ELECTRICAL DATA (cont)

MCA/MOCP DETERMINATION NO C.O. OR UNPWRD C.O. (cont)

ELECTRIC HEATER

NO C.O. or UNPWR C.O.

NO P.E.

w/ P.E. (pwrd fr/unit)

IFM

TYPE

DISC. SIZE

Nom (kW)

FLA

MCA

MOCP

MCA

MOCP

FLA

LRA

FLA

LRA

None

4.9/6.5

7.9/10.5

12.0/16.0

15.8/21.0

19.9/26.5

None

4.9/6.5

7.9/10.5

12.0/16.0

15.8/21.0

19.9/26.5

None

4.9/6.5

7.9/10.5

12.0/16.0

15.8/21.0

19.9/26.5

None

13.6/15.6

21.9/25.3

33.4/38.5

43.8/50.5

55.2/63.8

None

13.6/15.6

21.9/25.3

33.4/38.5

43.8/50.5

55.2/63.8

None

13.6/15.6

21.9/25.3

33.4/38.5

43.8/50.5

55.2/63.8

None

30.5

30.5/30.5

33.9/38.1

48.3/54.6

61.3/69.6

75.5/86.3

32.8

32.8/32.8

36.8/41.0

51.1/57.5

64.1/72.5

78.4/89.1

32.8

32.8/32.8

36.8/41.0

51.1/57.5

64.1/72.5

78.4/89.1

15.5

45/45

50/60

70/70

80/90

50/50

60/60

70/80

80/90

50/50

60/60

70/80

80/90

30/30

31/35

44/50

56/64

69/79

32/32

34/38

47/53

59/67

72/82

32/32

34/38

47/53

59/67

72/82

157

157/157

183

183/183

183

183/183

32.4

32.4/32.4

36.3/40.5

50.6/57.0

63.6/72.0

77.9/88.6

34.7

34.7/34.7

39.1/43.4

53.5/59.9

66.5/74.9

80.8/91.5

34.7

34.7/34.7

39.1/43.4

53.5/59.9

66.5/74.9

80.8/91.5

16.5

50/50

60/60

70/80

80/90

50/50

60/60

70/80

90/100

50/50

60/60

70/80

90/100

32/32

33/37

47/52

59/66

72/82

34/34

36/40

49/55

61/69

74/84

34/34

36/40

49/55

61/69

74/84

159

159/159

185

185/185

185

185/185

STD

MED

HIGH

STD

6.0

11.5

14.0

7.2

13.8

16.8

15.5

20.5

24.3

16.5

21.8

25.5

23.0

27.7

37.9

39.1

25.5

30.7

41.6

42.9

None

16.3

17.3

6.0

7.2

16.3

17.3

11.5

14.0

23.0

25.5

None

6.0

11.5

14.0

13.8

16.8

27.7

30.7

None

7.2

13.8

16.8

21.5

25.3

38.9

42.6

17.3

22.8

26.5

101

22.8

26.5

40.1

43.9

18.3

24.0

27.8

102

MED

HIGH

23.0

27.7

40.1

101

41.4

102

25.5

30.7

43.9

101

45.1

102

STD

MED

HIGH

None

11.9

12.7

13.8

14.6

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX V. WIRING DIAGRAM LIST

Wiring Diagrams

50TC

DRAWING NUMBER.REV

Size

Voltage

CONTROL

POWER

208/230---1---60

208/230---3---60

460---3---60

48TM500212.04

48TM500983.02

48TM500211.08

48TM500214.07

48TM500211.08

48TM500214.07

48TM500211.08

48TM500214.07

A04

575---3---60

208/230---1---60

208/230---3---60

460---3---60

A05

A06

575---3---60

208/230---1---60

208/230---3---60

460---3---60

575---3---60

208/230---3---60

460---3---60

A07

All

575---3---60

PremierLink*

NOTE: Component arrangement on Control; Legend on Power Schematic

The PremierLink label is an overlay for the Control label for the specific base model. Both labels

(Control and PremierLink) are required to display a complete unit control schematic with PremierLink Option

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX VI. MOTORMASTER SENSOR LOCATIONS

C08259

C08261

Fig. 67 - 50TC*A04 Outdoor Circuiting

Fig. 69 - 50TC*A07 Outdoor Circuiting

C08260

C08262

Fig. 68 - 50TC*A05/06 Outdoor Circuiting

Fig. 70 - 50TC*A08 Outdoor Circuiting

Download from Www.Somanuals.com. All Manuals Search And Download.

APPENDIX VI. (cont) MOTORMASTER SENSOR LOCATIONS

C08263

Fig. 71 - 50TC*A09/12 Outdoor Circuiting

Download from Www.Somanuals.com. All Manuals Search And Download.

Catalog No: 50TC---1SM

Printed in U.S.A.

Edition Date: 05/08

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Replaces: NEW

Download from Www.Somanuals.com. All Manuals Search And Download.

START-UP CHECKLIST

(Remove and Store in Job File)

I. PRELIMINARY INFORMATION

MODEL NO.:

DATE:

SERIAL NO.:

TECHNICIAN:

II. PRE-START-UP (insert checkmark in box as each item is completed)

VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE

VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT

REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS

VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS

CHECK REFRIGERANT PIPING FOR INDICATIONS OF LEAKS; INVESTIGATE AND REPAIR IF NECESSARY

CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

CHECK THAT RETURN (INDOOR) AIR FILTERS ARE CLEAN AND IN PLACE

VERIFY THAT UNIT INSTALLATION IS LEVEL

CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW

TIGHTNESS

CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES

OR SHARP METAL EDGES

j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS

III. START-UP

ELECTRICAL

SUPPLY VOLTAGE

COMPRESSOR AMPS

INDOOR-FAN AMPS

L1-L2

L2-L3

L3-L1

TEMPERATURES

OUTDOOR-AIR TEMPERATURE

RETURN-AIR TEMPERATURE

COOLING SUPPLY AIR

PRESSURES (Cooling Mode)

REFRIGERANT SUCTION

PSIG

REFRIGERANT DISCHARGE

VERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION.

VERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION

VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

GENERAL

j SET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO MATCH JOB REQUIREMENTS

(IF EQUIPPED)

Catalog No: 50TC---1SM

Printed in U.S.A.

Edition Date: 04/08

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Replaces: NEW

Download from Www.Somanuals.com. All Manuals Search And Download.

Black Decker Blender BLP7600BF User Manual
Blaupunkt Car Stereo System RD 148 User Manual
Bradford White Corp Water Heater LD 12UT3 1 User Manual
Bradley Smoker Plumbing Product 232 007 User Manual
Braun Electric Shaver 5468 User Manual
Briggs Stratton Air Cleaner 44Q700 User Manual
Brother Sewing Machine BES 962BC User Manual
Cal Spas Hot Tub Saunas User Manual
Canon All in One Printer 3745B002 User Manual
Cisco Systems IP Phone SPA9000 User Manual