Friedrich WY13B33A B User Manual

Service & Parts Manual  
WallMaster® Thru-the-Wall  
WS08B10A-C  
WS10B10A-C  
WS14B10A-C  
WS10B30A-C  
WS13B30B-C  
WS16B30A-C  
WE10B33A-B  
WE13B33B-B  
WE16B33A-B  
WY10B33A-B  
WY13B33A-B  
Power  
72  
Cool  
FSaanver®  
Money  
Mode  
Speed  
Fan Only  
Clock  
Set  
Start Time  
Stop Time  
Hour  
On/Off  
our  
Temp/H  
WM-Svc-Prts-07 (3-07)  
Friedrich Air Conditioning Company  
P.O. Box 1540  
San Antonio, TX 78295  
210.357.4400  
WALLMASTER£  
THRU-THE-WALL AIR CONDITIONERS  
LIMITED WARRANTY  
FIRST YEAR  
ANY PART: If any part supplied by FRIEDRICH fails because of a defect in workmanship or material within twelve months from  
date of original purchase, FRIEDRICH will repair the product at no charge, provided room air conditioner is reasonably accessible  
for service. Any additional labor cost for removing inaccessible units and/or charges for mileage related to travel by a Service  
Agency that exceeds 25 miles one way will be the responsibility of the owner. This remedy is expressly agreed to be the exclusive  
remedy within twelve months from the date of the original purchase.  
SECOND THROUGH FIFTH YEAR  
SEALED REFRIGERANT SYSTEM: If the Sealed Refrigeration System (defined for this purpose as the compressor, condenser  
coil, evaporator coil, reversing valve, check valve, capillary, filter drier, and all interconnecting tubing) supplied by FRIEDRICH in  
your Room Air Conditioner fails because of a defect in workmanship or material within sixty months from date of purchase,  
FRIEDRICH will pay a labor allowance and parts necessary to repair the Sealed Refrigeration System; PROVIDED FRIEDRICH will  
not pay the cost of diagnosis of the problem, removal, freight charges, and transportation of the air conditioner to and from the  
Service Agency, and the reinstallation charges associated with repair of the Sealed Refrigeration System. All such cost will be the  
sole responsibility of the owner. This remedy is expressly agreed to be the exclusive remedy within sixty months from the date of the  
original purchase.  
APPLICABILITY AND LIMITATIONS: This warranty is applicable only to units retained within the Fifty States of the U.S.A., District  
of Columbia, and Canada. This warranty is not applicable to:  
1. Air filters or fuses.  
2. Products on which the model and serial numbers have been removed.  
3. Products which have defects or damage which results from improper installation, wiring, electrical current  
characteristics, or maintenance; or caused by accident, misuse or abuse, fire, flood, alterations and/or misapplication  
of the product and/or units installed in a corrosive atmosphere, default or delay in performance caused by war,  
government restrictions or restraints, strikes, material shortages beyond the control of FRIEDRICH, or acts of God.  
OBTAINING WARRANTY PERFORMANCE: Service will be provided by the FRIEDRICH Authorized Dealer or Service  
Organization in your area. They are listed in the Yellow Pages. If assistance is required in obtaining warranty performance, write  
to: Room Air Conditioner Service Manager, Friedrich Air Conditioning Co., P.O. Box 1540, San Antonio, TX 78295-1540.  
LIMITATIONS:  
THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER WARRANTIES. Anything in the warranty  
notwithstanding, ANY IMPLIED WARRANTIES OF FITNESS FOR PARTICULAR PURPOSE AND/OR MERCHANTABILITY  
SHALL BE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY. MANUFACTURER EXPRESSLY DISCLAIMS AND  
EXCLUDES ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGE FOR BREACH OF ANY EXPRESSED OR  
IMPLIED WARRANTY.  
NOTE: Some states do not allow limitations on how long an implied warranty lasts, or do not allow the limitation or exclusion of  
consequential or incidental damages, so the foregoing exclusions and limitations may not apply to you.  
OTHER: This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
PROOF OF PURCHASE: Owner must provide proof of purchase in order to receive any warranty related services.  
All service calls for explaining the operation of this product will be the sole responsibility of the consumer.  
All warranty service must be provided by an Authorized FRIEDRICH Service Agency, unless authorized by FRIEDRICH prior to  
repairs being made.  
(10-04)  
3
ROUTINE MAINTENANCE  
NOTE: Units are to be inspected and serviced by qualied service personnel only.  
Routine maintenance is required annually or semi-annually, depending upon annual usage.  
1. Clean the unit air intake lter at least every 250 to 300 fan hours of operation or when the unit’s indicator light is on if  
so equipped. Clean the lters with a mild detergent in warm water and allow to dry thoroughly before reinstalling.  
2. The indoor coil (evaporator coil), the outdoor coil (condenser coil) and base pan should be inspected periodically (yearly  
or bi-yearly) and cleaned of all debris (lint, dirt, leaves, paper, etc.). Clean the coils and base pan with a soft brush and  
compressed air or vacuum. If using a pressure washer, be careful not to bend the aluminium n pack. Use a sweeping  
up and down motion in the direction of the vertical aluminum n pack when pressure cleaning coils. Cover all electrical  
components to protect them from water or spray. Allow the unit to dry thoroughly before reinstalling it in the sleeve.  
NOTE: Do not use a caustic coil cleaning agent on coils or base pan. Use a biodegradable cleaning agent and degreaser.  
Inspect the indoor blower housing, evaporator blade, condenser fan blade, and condenser shroud periodically (yearly or  
bi-yearly) and clean of all debris (lint, dirt, mold, fungus, etc.) Clean the blower housing area and blower wheel with an  
antibacterial / antifungal cleaner. Use a biodegradable cleaning agent and degreaser on condenser fan and condenser  
shroud. Use warm or cold water when rinsing these items. Allow all items to dry thoroughly before reinstalling them.  
3. Periodically (at least yearly or bi-yearly): inspect all control components, both electrical and mechanical, as well as the  
power supply. Use proper testing instruments (voltmeter, ohmmeter, ammeter, wattmeter, etc.) to perform electrical  
tests. Use an air conditioning or refrigeration thermometer to check room, outdoor and coil operating temperatures.  
Use a sling psychrometer to measure wet bulb temperatures indoors and outdoors.  
4. Inspect the surrounding area (inside and outside) to ensure that the units’ clearances have not been compromised or  
altered.  
5. Inspect the sleeve and drain system periodically (at least yearly or bi-yearly) and clean of all obstructions and debris.  
Clean both areas with an antibacterial and antifungal cleaner. Rinse both items thoroughly with water and ensure that  
the drain outlets are operating correctly. Check the sealant around the sleeve and reseal areas as needed.  
6. Clean the front cover when needed. Use a mild detergent. Wash and rinse with warm water. Allow it to dry thoroughly  
before reinstalling it in the chassis.  
4
FRIEDRICH ROOM MODEL NUMBER CODE  
W S 08  
B
1
0
B
1st DIGIT - FUNCTION  
W = Thru-The-Wall, WallMaster Series  
2nd DIGIT - TYPE  
S = Straight Cool  
E = Electric Heat  
Y = Heat Pump  
3rd & 4th DIGITS - APPROXIMATE BTU/HR (Cooling)  
Heating BTU/HR capacity listed in Specications/Performance Data Section  
5th DIGIT - ALPHABETICAL MODIFIER  
6th DIGIT - VOLTAGE  
1 = 115 Volts  
3 = 230-208 Volts  
7th DIGIT  
0 = Straight Cool & Heat Pump Models  
ELECTRIC HEAT MODELS  
3 = 3 KW Heat Strip, Nominal  
8th DIGIT  
Major Change  
RAC SERIAL NUMBER IDENTIFICATION GUIDE  
Serial Number  
Decade Manufactured  
L
C
G
R
00001  
L=0  
A=1  
B=2  
C=3  
D=4  
E=5  
F=6  
G=7  
H=8  
J=9  
Production Run Number  
Year Manufactured  
Product Line  
A=1  
B=2  
C=3  
D=4  
E=5  
F=6  
G=7  
H=8  
J=9  
K=0  
R = RAC  
P = PTAC  
E = EAC  
V = VPAK  
H = Split  
Month Manufactured  
A=Jan D=Apr G=Jul K=Oct  
B=Feb E=May H=Aug L=Nov  
C=Mar F=Jun J=Sept M=Dec  
5
PERFORMANCE DATA  
* Rating Conditions: 80 degrees F, room air temp. & 50% relative humidity, with 95 degree F, outside air temp & 40% relative humidity  
Calculate the heat loss of the space to be heated. As long as the heat loss does not exceed the resistance heating capacity rating of the unit, the heating performance will be satisfactory. Change-over  
from heat pump operation to resistance operation on models indicated is automatic at a preset outside ambient temperature of approximately 35°F. If condensate disposal is desired, an optional drain  
kit is available. DEFROST CONTROL: Initiated at 20°F (outdoor coil temperature) and terminated at 43°F (outdoor coil temperature). During defrost, the compressor stops and the electric heat starts,  
then operates with the fan to maintain indoor comfort. Below 43°F, the unit remains in electric heat mode. During electric heat mode, the unit will achieve the following ratings: 11000/9100 BTU/h,  
16.0/14.7 amps, and 3550/2950 watts. DEFROST DRAIN: Drain automatically opens at approximately 50°F in outdoor base pan for defrost condensate disposal.  
6
ELECTRICAL DATA  
Wire Size  
Use ONLY wiring size recommended for  
single outlet branch circuit.  
Fuse/Circuit  
Breaker  
Use ONLY type and size fuse or HACR  
circuit breaker indicated on unit’s rating  
plate. Proper current protection to the unit  
is the responsibility of the owner.  
ELECTRIC SHOCK HAZARD.  
Turn off electric power before service or installation.  
Grounding  
Unit MUST be grounded from branch  
circuit through service cord to unit, or  
through separate ground wire provided on  
permanently connected units. Be sure that  
branch circuit or general purpose outlet is  
grounded.  
All electrical connections and wiring MUST be  
installed by a qualied electrician and conform to the  
National Electrical Code and all local codes which  
have jurisdiction.  
Failure to do so can result in property damage,  
personal injury and/or death.  
Receptacle  
The eld supplied outlet must match plug on  
service cord and be within reach of service  
cord. Do NOT alter the service cord or plug.  
Do NOT use an extension cord. Refer to  
the table above for proper receptacle and  
fuse type.  
The consumer - through the AHAM Room Air Conditioner Certication Program - can be certain  
that the AHAM Certication Seal accurately states the unit’s cooling and heating capacity rating,  
the amperes and the energy efciency ratio.  
7
FUNCTIONAL COMPONENTS  
A. Mechanical components  
Bellows condensate valve  
Temperature-sensitive valve that opens up to drain off condensate water when the outside temperature falls below 40°F  
and closes when the outside temperature reaches 58°F.  
Plenum assembly  
Diffuser with directional louvers used to direct the conditioned airow.  
Blower wheel  
Attaches to the indoor side of the fan motor shaft and is used for distributing unconditioned, room side air though the heat  
exchanger and delivering conditioned air into the room.  
Slinger fan blade  
Attaches to the outdoor side of the fan motor shaft and is used to move outside air through the condenser coil, while  
slinging condensate water out of the base pan and onto the condenser coil, thus lowering the temperature and pressures  
within the coil.  
B. Electrical components  
Thermostat  
Used to maintain the specied room side comfort level  
System switch  
Used to regulate the operation of the fan motor, the compressor or to turn the unit off. For troubleshooting, refer to the  
wiring diagrams and schematics in the back of this service manual.  
Capacitor  
Reduces line current and steadies the voltage supply, while greatly improving the torque characteristics of the fan motor  
and compressor motor.  
MoneySaver® switch  
When engaged, it sends the power supply to the fan motor through the thermostat, which allows for a cycle-fan operation.  
Fan Motor  
Dual-shafted fan motor operates the indoor blower wheel and the condenser fan blade simultaneously.  
Solenoid  
Used to energize the reversing valve on all heat pump units.  
Heating element  
Electric resistance heater, available in 3.3, 4.0 or 5.2 kW on select TwinTemp® models.  
Heat anticipator  
Used to provide better thermostat and room air temperature control.  
C. Hermetic components  
Compressor  
Motorized device used to compress refrigerant through the sealed system.  
Reversing valve  
A four-way switching device used on all heat pump models to change the ow of refrigerant to permit heating or cooling.  
Check valve  
A pressure-operated device used to direct the ow of refrigerant to the proper capillary tube, during either the heating or  
cooling cycle.  
Capillary tube  
A cylindrical meter device used to evenly distribute the ow of refrigerant to the heat exchangers (coils.)  
8
SYSTEM CONTROL PANEL  
(“WS” Models)  
Activating Error Code Mode (Submode of Test Mode)  
Figure 6: System Control Panel  
Unit must be in Test Mode to enter Error Code Mode  
1. Activate Error Code Mode by pressing the “TIMER  
ON/OFF” button on XQ & WS models. LED for the  
“TIMER ON/OFF” will ash 1bps while Error Code  
Mode is active. Pressing the “TEMP/HR + ” button will  
display 00. Consecutive presses will scroll through all  
error codes logged. Press the “TEMP/HR - button  
to see the reverse order of all error codes logged.  
When the end of logged error codes is reached the  
temperature set point will appear.  
72  
Power  
Cool  
Fan  
MoneySaver®  
Speed  
Mode  
Fan Only  
Clock  
Timer  
Set  
Start Time  
Stop Time  
On/Off  
Hour  
IMPORTANT  
Temp/Hour  
Error Codes are cleared from the log by exiting from Error  
Code Mode. To exit on XQ & WS models, press Timer On/  
Off button. Or unplug unit to exit Error Code Mode. Plug  
unit in after 5 seconds to resume normal operation of unit.  
ERROR CODE LISTINGS  
E1  
SHORT CYCLE SITUATION:  
Dened as  
TESTING THE ELECTRONIC CONTROL  
compressor powered on before the three minute  
time delay ten times in one hour. Investigate and  
correct short cycling problem.  
CHECKING ROOM TEMPERATURE  
1. Check the room temperature at the electronic control  
pad by pressing at the same time the “FAN SPEED”  
button and the temperature “UP” button on XQ & WS  
models.  
E2 KEYBOARD STUCK ERROR: If key button(s)  
are pressed continuously for twenty seconds or  
more. If MODE key is stuck, unit will default to  
cool. Exit Error Code Mode to see if error “E2”  
is no longer displayed and unit is functioning.  
Replace board if “E2” still displays after exiting  
Error Code Mode.  
2. The indoor temperature will display for 10 seconds.  
Indoor temperature can be viewed in all modes,  
including the TEST mode. The display can be changed  
back to SET temperature by pressing any key, except  
the ON/OFF button, or after 10seconds has elapsed.  
E3  
FROST PROBE OPEN: Normal operation is  
allowed. Ohm frost probe. Replace probe if ohm  
value not read. If ohm value present replace  
board.  
ACTIVATING TEST MODE  
Activate test mode by pressing at the same time the“MODE”  
button and the temperature “DOWN” button on XQ & WS  
models. LEDs for Hour, Start, and Stop will blink 1bps while  
Test Mode is active.  
E4 FROST PROBE SHORT: Normal operation  
allowed. Replace probe.  
E5  
INDOOR PROBE OPEN: Control assumes  
indoor ambient temperature is 90 degree F and  
unit will operate. Ohm indoor probe. Replace  
probe if ohm value not read.  
Test Mode has duration of 90 minutes. Test Mode  
can be activated under any conditions, including Off.  
Test Mode is cancelled by pressing the On/Off button,  
unplugging the unit, or when the 90 minutes is timed  
out. All settings revert to the factory default settings of  
Cool, 75 degrees F, Timer and Set Hour features are  
nonfunctional.  
E6  
INDOOR PROBE SHORT: Control assumes  
ambient temperature is 90 degree F and unit will  
operate. Replace probe.  
Test Mode overrides the three-minute lockout, all delays  
for compressor and fan motor start / speed change, and  
no delay when switching modes.  
NOTE: All Error Code displays for Frost & Indoor Probe  
will allow unit to operate. Unit may or will ice up if faulty  
components not replaced.  
Test Mode default settings are ON, Money Saver, 60  
degrees F, and High fan speed.  
9
Frost Probe Sensor: Disables compressor at 35 degrees  
SYSTEM CONTROL SWITCH - TEST  
F +/- 3 degrees F  
Disconnect leads from control switch. Turn control to posi-  
tion being tested (see Figure 8). There must be continuity  
as follows:  
Indoor Probe Sensor: Control range is 60 degrees F to 90  
degrees F +/- 2 degrees F  
Indoor temperature will be displayed by pressing:  
1. “Off” Position-no continuity between terminals.  
(XQ / WS Units) The Fan Speed button and the Temp Up  
button.  
2. “Lo Cool” Position-between terminals “C” and “3”,  
“C2” and “2”, “LO” and “M/S”, “AR” and “5”.  
The indoor temperature will be displayed for 10 seconds.  
The display will change back to the Set Point temperature by  
pressing any key button except for the On/Off button. The  
indoor temperature can be viewed in all modes, including  
test mode.  
3. “Med Cool” Position-between terminals “C” and “3”,  
“C2” and “2”, “M” and “M/S”, “AR” and “5”.  
4. “Hi Cool” Position-between terminals “C” and “3”,  
“C2” and “2”, “H” and “M/S”, “AR” and “5”.  
Keep Alive: The electronic control has a memory to retain  
all functions and status as set up by the user in the event  
of a power failure. Once power is restored to the unit  
there is a two second delay before the fan comes on and  
approximately three minutes delay before the compressor  
is activated, providing that the mode was set for cooling and  
the set point temperature has not been met in the room.  
5. “Hi Heat” Position-between terminals “C” and “1”,  
“C2” and “4”, “H” and “M/S”, “AR” and “5”.  
6. “Med Heat” Position-between terminals “C” and “1”,  
“C2” and “4”, “M” and “M/S”, “AR” and “5”.  
7. “Lo Cool” Position-between terminals “C” and “1”,  
“C2” and “4”, “LO” and “M/S”, “AR” and “5”.  
SYSTEM CONTROL SWITCH  
(“WE” & “WY” Models)  
An eight position switch is used to regulate the operation  
of the fan motor, compressor and electric heater.  
8. “Fan Only” Position-between terminals “L1”, “M”  
and “2”.  
The unit can be operated in cooling or heating mode with  
the compressor or electric heater on and the fan motor  
operating on low, medium or high speed.  
Figure 8: System Control Switch  
(Heat Pump & Electric Heat Models)  
The fan motor can also be operated independently on  
medium speed. See switch section as indicated on  
decorative control panel, in Figure 7.  
Figure 7: System Control Panel  
NOTE:  
Units will operate in constant fan in the cooling mode and  
auto fan in the heating mode.  
Fan  
Only  
Off  
Low  
Heat  
Low  
Cool  
Med  
Heat  
Med  
Cool  
High  
Heat  
High  
Cool  
MAX  
HEAT  
MAX  
COOL  
Allow 3 min. between restarts  
!
10  
REFRIGERATION SYSTEM SEQUENCE OF OPERATION  
A good understanding of the basic operation of the refrigera-  
tion system is essential for the service technician. Without  
this understanding, accurate troubleshooting of refrigeration  
system problems will be more difcult and time consuming,  
if not (in some cases) entirely impossible. The refrigeration  
system uses four basic principles (laws) in its operation they  
are as follows:  
the evaporator coil. As it enters the evaporator coil, the  
larger area and lower pressure allows the refrigerant to  
expand and lower its temperature (heat intensity). This  
expansion is often referred to as “boiling”. Since the unit’s  
blower is moving Indoor air across the nned surface of  
the evaporator coil, the expanding refrigerant absorbs  
some of that heat. This results in a lowering of the indoor  
air temperature, hence the “cooling” effect.  
1. Heat always flows from a warmer body to a cooler  
body.”  
The expansion and absorbing of heat cause the liquid  
refrigerant to evaporate (i.e. change to a gas). Once the  
refrigerant has been evaporated (changed to a gas), it is  
heated even further by the air that continues to ow across  
the evaporator coil.  
2. “Heat must be added to or removed from a substance  
before a change in state can occur”  
3. “Flow is always from a higher pressure area to a lower  
pressure area.”  
The particular system design determines at exactly what  
point (in the evaporator) the change of state (i.e. liquid to a  
gas) takes place. In all cases, however, the refrigerant must  
be totally evaporated (changed) to a gas before leaving  
the evaporator coil.  
4. “The temperature at which a liquid or gas changes state  
is dependent upon the pressure.”  
The refrigeration cycle begins at the compressor. Starting  
the compressor creates a low pressure in the suction line  
which draws refrigerant gas (vapor) into the compressor.  
The compressor then “compresses” this refrigerant, raising  
its pressure and its (heat intensity) Temperature.  
The low pressure (suction) created by the compressor  
causes the refrigerant to leave the evaporator through the  
suction line as a cool low pressure vapor. The refrigerant  
then returns to the compressor, where the cycle is  
repeated.  
The refrigerant leaves the compressor through the discharge  
line as a hot high pressure gas (vapor). The refrigerant enters  
the condenser coil where it gives up some of its heat. The  
condenser fan moving air across the coil’s nned surface  
facilitates the transfer of heat from the refrigerant to the  
relatively cooler outdoor air.  
Refrigerant System Components  
When a sufcient quantity of heat has been removed from  
the refrigerant gas (vapor), the refrigerant will “condense”  
(i.e. change to a liquid). Once the refrigerant has been  
condensed (changed) to a liquid it is cooled even further by  
the air that continues to ow across the condenser coil.  
Suction  
Line  
Discharge  
Line  
Evaporator  
Coil  
Condenser  
Coil  
The RAC design determines at exactly what point (in the  
condenser) the change of state (i.e. gas to a liquid) takes  
place. In all cases, however, the refrigerant must be totally  
condensed (changed) to a liquid before leaving the condenser  
coil.  
Compressor  
Metering  
Device  
Refrigerant Drier  
Liquid  
Line  
The refrigerant leaves the condenser coil through the  
liquid line as a warm high pressure liquid. It next will pass  
through the refrigerant drier (if so equipped). It is the  
function of the drier to trap any moisture present in the  
system, contaminants, and large particulate matter.  
SEALED REFRIGERATION SYSTEM REPAIRS  
IMPORTANT  
The liquid refrigerant next enters the metering device. The  
metering device is a capillary tube. The purpose of the  
metering device is to “meter” (i.e. control or measure) the  
quantity of refrigerant entering the evaporator coil.  
ANY SEALED SYSTEM REPAIRS TO COOL-ONLY  
MODELS REQUIRE THE INSTALLATION OF A  
LIQUID LINE DRIER. ALSO, ANY SEALED SYSTEM  
REPAIRS TO HEAT PUMP MODELS REQUIRE THE  
INSTALLATION OF A SUCTION LINE DRIER.  
In the case of the capillary tube this is accomplished  
(by design) through size (and length) of device, and the  
pressure difference present across the device.  
Since the evaporator coil is under a lower pressure (due to  
the suction created by the compressor) than the liquid line,  
the liquid refrigerant leaves the metering device entering  
11  
HERMETIC COMPONENT REPLACEMENT  
SEALED REFRIGERATION SYSTEM  
REPAIRS  
The following procedure applies when replacing com-  
ponents in the sealed refrigeration circuit or repairing  
refrigerant leaks. (Compressor, condenser, evaporator,  
capillary tube, refrigerant leaks, etc.)  
EQUIPMENT REQUIRED:  
1. Voltmeter  
1. Recover the refrigerant from the system at the pro-  
cess tube located on the high side of the system by  
installing a line tap on the process tube.Apply gauge  
from process tube to EPA approved gauges from  
process tube to EPA approved recovery system.  
Recover CFCs in system to at least 5%.  
2. Ammeter  
3. Ohmmeter  
4. Vacuum Pump (capable of 200 microns or less  
vacuum.)  
5. Acetylene Welder  
2. Cut the process tube below pinch off on the suction  
side of the compressor.  
6. Electronic Halogen Leak Detector (G.E. Type H-6 or  
equivalent.)  
3. Connect the line from the nitrogen tank to the suction  
process tube.  
7. Accurate refrigerant charge measuring device such  
as:  
4. Drift dry nitrogen through the system and unsolder  
the more distant connection rst. (Filter drier, high  
side process tube, etc.)  
a. Balance Scales - 1/2 oz. accuracy  
b. Charging Board - 1/2 oz. accuracy  
8. High Pressure Gauge - (0 - 400 lbs.)  
9. Low Pressure Gauge - (30 - 150 lbs.)  
10. Vacuum Gauge - (0 - 1000 microns)  
5. Replace inoperative component, and always install a  
new lter drier. Drift dry nitrogen through the system  
when making these connections.  
6. Pressurize system to 30 PSIG with proper refrigerant  
and boost refrigerant pressure to 150 PSIG with dry  
nitrogen.  
EQUIPMENT MUST BE CAPABLE OF:  
1. Evacuation from both the high side and low side of  
the system simultaneously.  
7. Leak test complete system with electric halogen leak  
detector, correcting any leaks found.  
2. Introducing refrigerant charge into high side of the  
system.  
8. Reduce the system to zero gauge pressure.  
9. Connect vacuum pump to high side and low side of  
system with deep vacuum hoses, or copper tubing.  
(Do not use regular hoses.)  
3. Accurately weighing the refrigerant charge actually  
introduced into the system.  
4. Facilities for owing nitrogen through refrigeration  
tubing during all brazing processes.  
12  
10. Evacuate system to maximum absolute holding pres-  
sure of 200 microns or less. NOTE: This process can  
be speeded up by use of heat lamps, or by breaking  
the vacuum with refrigerant or dry nitrogen at 5,000  
microns. Pressure system to 5 PSIG and leave in  
system a minimum of 10 minutes. Release refriger-  
ant, and proceed with evacuation of a pressure of  
200 microns or less.  
ROTARY COMPRESSOR SPECIAL  
TROUBLESHOOTING AND SERVICE  
Basically, troubleshooting and servicing rotary compres-  
sors is the same as on the reciprocating compressor with  
only a few exceptions.  
1. Because of the spinning motion of the rotary, the  
mounts are critical. If vibration is present, check the  
mounts carefully.  
11. Break vacuum by charging system from the high side  
with the correct amount of refrigerant specied. This  
will prevent boiling the oil out of the crankcase.  
2. The electrical terminals on the rotary are in a differ-  
ent order than the reciprocating compressors. The  
terminal markings are on the cover gasket. Use your  
wiring diagram to insure correct connections.  
NOTE: If the entire charge will not enter the high  
side, allow the remainder to enter the low side in  
small increments while operating the unit.  
REFRIGERANT CHARGE  
12. Restart unit several times after allowing pressures  
to stabilize. Pinch off process tubes, cut and solder  
the ends. Remove pinch off tool, and leak check the  
process tube ends.  
1. The refrigerant charge is extremely critical. Mea-  
sure charge carefully - as exact as possible to the  
nameplate charge.  
2. The correct method for charging the rotary is to  
introduce liquid refrigerant into the high side of the  
system with the unit off. Then start compressor and  
enter the balance of the charge, gas only, into the  
low side.  
SPECIAL PROCEDURE IN THE CASE OF MOTOR  
COMPRESSOR BURNOUT  
1. Recover all refrigerant and oil from the system.  
2. Remove compressor, capillary tube and lter drier  
The introduction of liquid into the low side, without  
the use of a capillary tube, will cause damage to  
the discharge valve of the rotary compressor.  
from the system.  
3. Flush evaporator condenser and all connecting  
tubing with dry nitrogen or equivalent, to remove  
all contamination from system. Inspect suction and  
discharge line for carbon deposits. Remove and  
clean if necessary.  
NOTE: All inoperative compressors returned to  
Friedrich must have all lines properly plugged with  
the plugs from the replacement compressor.  
4. Reassemble the system, including new drier strainer  
and capillary tube.  
5. Proceed with processing as outlined under hermetic  
component replacement.  
13  
TROUBLESHOOTING TOUCH TEST CHART: TO SERVICE REVERSING VALVES  
NORMAL FUNCTION OF VALVE  
NOTES:  
VALVE  
OPERATING  
CONDITION  
* TEMPERATURE OF VALVE BODY  
** WARMER THAN VALVE BODY  
1
2
3
4
5
6
POSSIBLE CAUSES  
CORRECTIONS  
Cool  
as (2)  
Hot  
as (1)  
Hot  
Cool  
*TVB  
TVB  
Normal Cooling  
Normal Heating  
Hot  
as (1)  
Cool  
as (2)  
Hot  
Cool  
*TVB  
TVB  
MALFUNCTION OF VALVE  
No voltage to coil.  
Repair electrical circuit.  
Check Electrical circuit and coil  
Check refrigeration charge  
Defective coil.  
Replace coil.  
Low charge.  
Repair leak, recharge system.  
Recheck system.  
Pressure differential too high.  
Hot  
Cool  
Cool,  
as (2)  
Hot,  
as (1)  
*TVB  
Hot  
Deenergize solenoid, raise head pressure,  
reenergize solenoid to break dirt loose.  
If unsuccessful, remove valve, wash  
out. Check on air before installing. If no  
movement, replace valve, add strainer to  
discharge tube, mount valve horizontally.  
Valve will not  
shift from cool  
to heat.  
Pilot valve okay. Dirt in one bleeder hole.  
Stop unit. After pressures equalize, restart  
with solenoid energized. If valve shifts,  
reattempt with compressor running. If still  
no shift, replace valve.  
Piston cup leak  
Cool,  
as (2)  
Hot,  
as (1)  
Raise head pressure, operate solenoid to  
free. If still no shift, replace valve.  
Hot  
Hot  
Cool  
Cool  
*TVB  
Hot  
*TVB  
Hot  
Clogged pilot tubes.  
Valve will not  
shift from cool  
to heat.  
Raise head pressure, operate solenoid to free  
partially clogged port. If still no shift, replace  
valve.  
Cool,  
as (2)  
Hot,  
as (1)  
Both ports of pilot open. (Back seat port  
did not close).  
Cool,  
as (2)  
Hot,  
as (1)  
Warm  
Hot  
Cool  
*TVB  
*TVB  
Warm Defective Compressor.  
Not enough pressure differential at start  
Replace compressor  
Check unit for correct operating pressures  
and charge. Raise head pressure. If no  
shift, use valve with smaller port.  
Warm  
Warm  
Hot  
Hot  
of stroke or not enough ow to maintain  
pressure differential.  
Body damage.  
Replace valve  
Starts to shift  
but does not  
complete  
Raise head pressure, operate solenoid. If  
no shift, use valve with smaller ports.  
Hot  
Hot  
Warm  
Hot  
Warm  
Hot  
Hot  
Hot  
Hot  
Hot  
Hot  
Both ports of pilot open.  
Body damage.  
*TVB  
Replace valve  
Valve hung up at mid-stroke. Pumping  
volume of compressor not sufcient to  
maintain reversal.  
reversal.  
Raise head pressure, operate solenoid. If  
no shift, use valve with smaller ports.  
Raise head pressure, operate solenoid. If no  
shift, replace valve.  
Hot  
Hot  
Hot  
Hot  
Hot  
Hot  
Hot  
Both ports of pilot open.  
Hot,  
as (1)  
Cool,  
as (2)  
Operate valve several times, then recheck.  
If excessive leak, replace valve.  
Cool  
*TVB  
*TVB  
Piston needle on end of slide leaking.  
Apparent  
leap in heating.  
Hot,  
as (1)  
Cool,  
as (2)  
Operate valve several times, then recheck.  
If excessive leak, replace valve.  
Hot  
Hot  
Cool  
Cool  
** WVB ** WVB Pilot needle and piston needle leaking.  
Hot,  
as (1)  
Cool,  
as (2)  
Stop unit. Will reverse during equalization  
period. Recheck system  
*TVB  
*TVB  
Pressure differential too high.  
Clogged pilot tube.  
Raise head pressure, operate solenoid to  
free dirt. If still no shift, replace valve.  
Raise head pressure, operate solenoid.  
Remove valve and wash out. Check on air  
before reinstalling, if no movement, replace  
valve. Add strainer to discharge tube.  
Mount valve horizontally.  
Hot,  
as (1)  
Cool,  
as (2)  
Hot  
Hot  
Cool  
Cool  
Hot  
Hot  
*TVB  
*TVB  
Dirt in bleeder hole.  
Piston cup leak.  
Will not shift  
from heat to  
cool.  
Stop unit. After pressures equalize, restart  
with solenoid deenergized. If valve shifts,  
reattempt with compressor running. If it  
still will not reverse while running, replace  
the valve.  
Hot,  
as (1)  
Cool,  
as (2)  
Hot,  
as (1)  
Cool,  
as (2)  
Hot  
Cool  
Cool  
Hot  
Hot  
Defective pilot.  
Replace valve.  
Warm,  
as (1)  
Cool,  
as (2)  
Warm  
Warm  
*TVB  
Defective compressor.  
Replace compressor  
14  
COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS  
Problem  
Possible Cause  
Low voltage  
Action  
Check voltage at compressor. 115V & 230V  
units will operate at 10% voltage variance  
T-stat not set cold enough or  
inoperative  
Set t-stat to coldest position. Test t-stat & re-  
place if inoperative  
Compressor hums but cuts off on  
B10 overload  
Hard start compressor. Direct test compressor.  
If compressor starts, add starting components  
Compressor  
does not run  
Open or shorted compressor  
windings  
Check for continuity & resistance  
Open overload  
Open capacitor  
Test overload protector & replace if inoperative  
Test capacitor & replace if inoperative  
Test for continuity in all positions. Replace if  
inoperative  
Inoperative system switch  
Refer to appropriate wiring diagrams to check  
wiring  
Broken, loose or incorrect wiring  
Problem  
Possible Cause  
Inoperative system switch  
Broken, loose or incorrect wiring  
Open capacitor  
Action  
Test switch & replace if inoperative  
Refer to applicable wiring diagram  
Test capacitor & replace if inoperative  
Test switch & replace if inoperative  
Fan motor  
does not run  
Fan speed switch open  
Test fan motor & replace if inoperative (be sure  
internal overload has had time to reset)  
Inoperative fan motor  
Problem  
Possible Cause  
Action  
Undersized unit  
Refer to industry standard sizing chart  
Set to coldest position. Test t-stat & replace if  
necessary  
T-stat open or inoperative  
Dirty lter  
Clean as recommended in Owner's Manual  
Dirty or restricted condenser or  
evaporator coil  
Use pressure wash or biodegradable cleaning  
agent to clean  
Does not cool or  
only cools slightly  
Poor air circulation  
Adjust discharge louvers. Use high fan speed  
Fresh air or exhaust air door open  
on applicable models  
Close doors. Instruct customer on use of this  
feature  
Low capacity - undercharge  
Check for leak & make repair  
Check amperage draw against nameplate. If  
not conclusive, make pressure test  
Compressor not pumping properly  
15  
Problem  
Possible Cause  
Action  
Replace fuse, reset breaker. If repeats, check  
fuse or breaker size. Check for shorts in unit  
wiring & components  
Fuse blown or circuit tripped  
Power cord not plugged in  
System switch in "OFF" position  
Inoperative system switch  
Plug it in  
Unit does not run  
Set switch correctly  
Test for continuity in each switch position  
Loose or disconnected wiring at  
switch or other components  
Check wiring & connections. Reconnect per  
wiring diagram  
Problem  
Possible Cause  
Action  
Dirty lter  
Clean as recommended in Owner's Manual  
Check for dirty or obstructed coil. Use  
pressure wash or biodegradable cleaning  
agent to clean  
Restricted airow  
Inoperative t-stat  
Test for shorted t-stat or stuck contacts  
De-ice coil & check for leak  
Evaporator coil  
freezes up  
Short of refrigerant  
Inoperative fan motor  
Test fan motor & replace if inoperative  
De-ice coil. Check temp. differential (delta T)  
across coil. Touch test coil return bends for  
same temp. Test for low running current  
Partially restricted capillary tube  
Problem  
Possible Cause  
Action  
Unit undersized. Test cooling performance &  
replace with larger unit if needed  
Excessive heat load  
Check for partially iced coil & check  
temperature split across coil  
Restriction in line  
Refrigerant leak  
Compressor runs  
continually & does  
not cycle off  
Check for oil at silver soldered connections.  
Check for partially iced coil. Check split across  
coil. Check for low running amperage  
Check operation of t-stat. Replace if contacts  
remain closed.  
T-stat contacts stuck  
T-stat incorrectly wired  
Refer to appropriate wiring diagram  
Problem  
Possible Cause  
Action  
Disconnect power to unit. Remove cover  
of t-stat & check if contacts are stuck. If so,  
replace t-stat  
T-stat contacts stuck  
Turn to higher temp. setting to see if unit  
cycles off  
T-stat does not turn  
unit off  
T-stat set at coldest point  
Incorrect wiring  
Refer to appropriate wiring diagrams  
Unit undersized for area to be  
cooled  
Refer to industry standard sizing chart  
16  
Problem  
Possible Cause  
Action  
Overload inoperative. Opens too  
soon  
Check operation of unit. Replace overload if  
system operation is satisfactory  
Allow a minimum of 2 minutes to allow  
pressures to equalize before attempting to  
restart. Instruct customer of waiting period  
Compressor restarted before  
system pressures equalized  
Check voltage with unit operating. Check for  
other appliances on circuit. Air conditioner  
should be in separate circuit for proper voltage  
& fused separately  
Compressor runs  
for short periods  
only. Cycles on  
overload  
Low or uctuating voltage  
Incorrect wiring  
Refer to appropriate wiring diagram  
Check by substituting a known good capacitor  
of correct rating  
Shorted or incorrect capacitor  
Restricted or low air ow through  
condenser coil  
Check for proper fan speed or blocked  
condenser  
Compressor running abnormally  
hot  
Check for kinked discharge line or restricted  
condenser. Check amperage  
Problem  
Possible Cause  
Action  
Place jumper across t-stat terminals to check if  
unit operates. If unit operates, replace t-stat.  
Loss of charge in t-stat bulb  
T-stat does not  
turn unit on  
Loose or broken parts in t-stat  
Incorrect wiring  
Check as above  
Refer to appropriate wiring diagram  
Problem  
Possible Cause  
Poorly installed  
Action  
Refer to Installation Manual for proper  
installation  
Fan blade striking chassis  
Reposition - adjust motor mount  
Check that compressor grommets have not  
deteriorated. Check that compressor mounting  
parts are not missing  
Noisy operation  
Compressor vibrating  
Improperly mounted or loose  
cabinet parts  
Check assembly & parts for looseness,  
rubbing & rattling  
Problem  
Possible Cause  
Action  
Evaporator drain pan overowing  
Clean obstructed drain trough  
Evaporator drain pan broken or cracked.  
Reseal or replace  
Condensation forming on base pan  
Poor installation resulting in rain  
entering the room  
Check installation instructions. Reseal as  
required  
Water leaks into  
the room  
Condensation on discharge grille  
louvers  
Clean the dirty evaporator coil. Use pressure  
wash or biodegradable cleaning agent to clean  
Chassis gasket not installed  
Install gasket, per Installation manual  
Downward slope of unit is too  
steep  
Refer to installation manual for proper  
installation  
17  
Problem  
Possible Cause  
Sublimation:  
When unconditioned saturated,  
outside air mixes with conditioned  
air, condensation forms on the  
cooler surfaces  
Action  
Ensure that foam gaskets are installed in  
between window panes & in between the  
unit & the sleeve. Also, ensure that fresh  
air/exhaust vents (on applicable models) are in  
the closed position & are in tact  
Water "spitting"  
into room  
Follow installation instructions to ensure that  
downward pitch of installed unit is no less than  
1/4" & no more than 3/8"  
Downward pitch of installation is  
too steep  
Clean & advise customer of periodic cleaning  
& maintenance needs of entire unit  
Restricted coil or dirty lter  
Problem  
Possible Cause  
Action  
Insufcient air circulation thru area  
to be air conditioned  
Adjust louvers for best possible air circulation  
Operate in "MoneySaver" position  
Oversized unit  
Excessive moisture  
Inadequate vapor barrier in  
building structure, particularly  
oors  
Advise customer  
Problem  
Possible Cause  
Action  
T-stat differential too narrow  
Replace t-stat  
Plenum gasket not sealing,  
allowing discharge air to short  
cycle t-stat  
Check gasket. Reposition or replace as  
needed  
T-stat short cycles  
Clean & advise customer of periodic cleaning  
& maintenance needs of entire unit  
Restricted coil or dirty lter  
Problem  
Possible Cause  
Action  
Anticipator (resistor) wire  
disconnected at t-stat or system  
switch  
Refer to appropriate wiring diagram  
Disconnect plus from outlet. Remove resistor  
from bracket. Insert plug & depress "COOL"  
& "FAN AUTOMATIC" buttons. Place t-stat to  
warmest setting. Feel resistor for temperature.  
If no heat, replace resistor  
Prolonged off  
cycles (automatic Anticipator (resistor) shorted or  
operation)  
open  
Partial loss of charge in t-stat bulb  
causing a wide differential  
Replace t-stat  
Problem  
Possible Cause  
Action  
Evaporator drain pan cracked or  
obstructed  
Repair, clean or replace as required  
Detach shroud from pan & coil. Clean &  
remove old sealer. Reseal, reinstall & check  
Water in compressor area  
Obstructed condenser coil  
Outside water  
leaks  
Use pressure wash or biodegradable cleaning  
agent to clean  
Fan blade/slinger ring improperly  
positioned  
Adjust fan blade to 1/2" of condenser coil  
18  
HEAT / COOL ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS  
Problem  
Possible Cause  
Action  
Disconnect power to unit. Remove resistor  
from t-stat bulb block. Plus in unit & allow to  
operate. Feel resistor for heat. If not heat,  
replace resistor  
Heat anticipator (resistor) shorted  
(on applicable models)  
Room temperature  
uneven  
(Heating cycle)  
Wide differential - partial loss of  
t-stat bulb charge  
Replace t-stat & check  
Refer to appropriate wiring diagram. Resistor  
is energized during "ON" cycle of compressor  
or fan.  
Incorrect wiring  
Problem  
Possible Cause  
Action  
Incorrect wiring  
Refer to appropriate wiring diagram  
Defrost control timer motor not  
advancing (applicable models)  
Check for voltage at "TM" & "TM1" on timer. If  
no voltage, replace control  
If outside coil temperature is 25°F or below,  
& preselected time limit has elapsed, replace  
defrost control  
Defrost control out of calibration  
(applicable models)  
Unit will not defrost  
If contacts remain closed between terminals  
"2" & "3" of the defrost control after  
preselected time interval has passed, replace  
control  
Defrost control contacts stuck  
Defrost control bulb removed from Reinstall & be assured that good bulb to coil  
or not making good coil contact  
contact is made  
Problem  
Possible Cause  
Exhaust or fresh air door open  
Dirty lter  
Action  
Check if operating properly. Instruct customer  
on proper use of control  
Clean as recommended in Owner's Manual  
Check heat rise across coil. If unit operates  
efciently, check if insulation can be added  
to attic or walls. If insulation is adequate,  
recommend additional unit or larger one  
Unit undersized  
Does not heat  
adequately  
T-stat should close at 38°F. Check continuity  
of control. If temperature is below 38F, replace  
control  
Outdoor t-stat open (applicable  
models)  
Check for adequate fan air across heater.  
Check control for open at 160°F & close at  
150°F  
Heater hi-limit control cycling on &  
off  
Shorted supplementary heater  
Incorrect wiring  
Ohmmeter check, approx. 32-35 ohms  
Check applicable wiring diagram  
19  
Problem  
Possible Cause  
Incorrect wiring  
Action  
Refer to applicable wiring diagram  
Check for continuity of coil  
Defective solenoid coil  
Reversing valve fails to shift  
Inoperative system switch  
Possible Cause  
Block condenser coil & switch unit to cooling.  
Allow pressure to build up in system, then  
switch to heating. If valve fails to shift, replace  
valve.  
Unit cools when  
heat is called for  
Check for continuity of system switch  
Problem  
Action  
Heating capillary tube partially  
restricted  
Check for partially starved outer coil. Replace  
heating capillary tube  
Switch unit several times from heating to  
cooling. Check temperature rise across  
coil. Refer to specication sheet for correct  
temperature rise  
Cooling adequate,  
but heating  
Check valve leaking internally  
insufcient  
Deenergize solenoid coil, raise head pressure,  
energize solenoid to break loose. If valve fails  
to make complete shift, replace valve.  
Reversing valve failing to shift  
completely; bypassing hot gas  
20  
WIRING DIAGRAM: MODELS WS08B10A-C, WS10B10A-C,  
WS14B10A-C, WS10B30A-C, WS13B30C  
21  
WIRING DIAGRAM: MODELS WS16B30A-C  
22  
WIRING DIAGRAM: MODELS WE10B33A-B, WE13B33B-B  
23  
WIRING DIAGRAM: MODELS WE16B33A-B  
24  
WIRING DIAGRAM: MODELS WY10B33A-B, WY13B33A-B  
25  
WS, WE & WY SERIES CHASSIS PARTS  
26  
WALLMASTER PARTS 2007  
REF  
DESCRIPTION  
PART NO.  
115V  
230V  
CODE  
ELECTRICAL PARTS  
1
1
*
ELECTRONIC BOARD  
ELECTRONIC BOARD  
REMOTE CONTROL  
THERMOSTAT  
THERMOSTAT, DEF.  
OVERLOAD  
OVERLOAD  
OVERLOAD  
OVERLOAD  
OVERLOAD  
OVERLOAD  
CAPACITOR  
CAPACITOR  
CAPACITOR  
CAPACITOR  
CAPACITOR  
CAPACITOR  
SUPPLY CORD  
SUPPLY CORD  
SUPPLY CORD  
SWITCH SYS. 8 POS.  
FAN MOTOR  
FAN MOTOR  
FAN MOTOR  
FAN MOTOR  
FAN MOTOR  
61921198  
61921199  
61826606  
25043302  
61350314  
61764507  
61764519  
61764528  
61764554  
61764555  
61764556  
61080533  
61080569  
61080535  
61080540  
61080526  
61080537  
60500327  
60500326  
60500325  
60607204  
61871470  
61871471  
61871472  
61871473  
61871474  
62101210  
25022032  
1
1
1
1
1
1
331  
331  
350  
120  
122  
190  
190  
190  
190  
190  
190  
150  
150  
150  
150  
150  
150  
220  
220  
220  
130  
110  
110  
110  
110  
110  
210  
240  
1
1
1
1
1
1
1
2
3
3
3
3
3
3
4
4
4
4
4
4
5
5
5
6
7
7
7
7
7
8
9
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
HEATER  
1
1
1
1
1
SOLENOID and REVERSING VALVE  
REFRIGERATION SYSTEM PARTS  
10  
11  
*
REVERSING VALVE and SOLENOID  
CHECK VALVE  
FILTER DRIER  
SUCTION DRIER  
COMPRESSOR  
COMPRESSOR  
COMPRESSOR  
COMPRESSOR  
COMPRESSOR  
25022032  
61824400  
60308101  
61828200  
61562832  
62199700  
62199701  
62199702  
62199703  
62199704  
62102300  
62103300  
62103303  
62103305  
62103400  
62103401  
62103402  
62103500  
62103501  
03760513  
03760547  
01390000  
03760550  
03760511  
03760548  
1
1
1
1
500  
510  
480  
480  
600  
600  
600  
600  
600  
600  
400  
400  
400  
400  
410  
410  
410  
410  
410  
471  
471  
471  
471  
471  
471  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
1
1
12  
12  
12  
12  
12  
12  
13  
13  
13  
13  
14  
14  
14  
14  
14  
*
1
1
1
1
1
1
1
1
1
1
COMPRESSOR  
EVAPORATOR COIL  
EVAPORATOR COIL  
EVAPORATOR COIL  
EVAPORATOR COIL  
CONDENSER COIL  
CONDENSER COIL  
CONDENSER COIL  
CONDENSER COIL  
CONDENSER COIL  
CAPILLARY TUBE  
CAPILLARY TUBE  
CAPILLARY TUBE  
CAPILLARY TUBE  
CAPILLARY TUBE  
CAPILLARY TUBE  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
*
*
*
1
1
*
1
* Part Not Shown  
27  
WALLMASTER PARTS 2007  
REF  
DESCRIPTION  
PART NO.  
115V  
230V  
CODE  
CHASSIS PARTS  
16  
17  
18  
19  
19  
20  
25  
25  
25  
26  
27  
*
SHROUD, CONDENSER  
FAN BLADE, COND.  
BLOWER WHEEL, EVAP.  
BLOWER FRONT  
BLOWER FRONT  
SCROLL  
BASE PAN  
BASE PAN  
BASE PAN ASLY.  
62102000  
62101500  
60610604  
62100600  
62100601  
62102100  
62100914  
62100915  
61606219  
60179903  
62101901  
61028900  
91400400  
61715800  
60640600  
60640500  
91003000  
62100002  
62100802  
62101107  
61911605  
60865900  
61900500  
61925001  
60865811  
61607005  
62103205  
61612705  
61612805  
61613205  
61578101  
60846020  
61717301  
61841919  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
720  
710  
700  
742  
742  
777  
730  
730  
730  
801  
840  
790  
791  
999  
999  
999  
999  
999  
999  
760  
761  
756  
999  
999  
754  
750  
750  
772  
773  
999  
999  
999  
780  
999  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
3
2
3
3
3
1
1
1
2
2
1
1
1
1
3
3
2
3
3
3
1
1
1
2
2
1
1
1
1
3
3
2
3
3
3
1
1
1
2
2
1
1
1
1
3
3
2
3
3
3
1
1
1
2
2
1
1
1
1
3
3
2
3
3
3
1
1
1
2
2
1
BELLOWS,DRAIN VALVE  
DRAIN PAN, ASSY.  
GROMMET, comp.  
BOLT, comp.  
COUNTER WEIGHT  
RETAINER CUP,FAN MTR  
GROMMET,FAN MTR  
NUT,FAN MTR  
PANEL, CTRL. MOUNT  
BRACKET CONRTOL  
ESCUTCHEON, HTG/COOL  
KNOBS, CRTL.  
HOLDER, AIR FILTER  
HOLDER, THERMOSTAT  
HOLDER, THERMISTER  
FILTER, AIR  
FRONT COMPLETE  
FRAME HOOD  
GRILLE, INTAKE  
GRILLE, EXHAUST  
END CAP, GRILLE  
WEATHER SEAL GASKET  
HARDWARE, SCREWS  
GASKET, CHASSIS  
CARTON  
1
3
3
2
3
3
3
1
1
1
3
3
2
3
3
3
1
1
1
3
3
2
3
3
3
1
1
1
3
3
2
3
3
3
1
1
1
3
3
2
3
3
3
1
1
1
3
3
2
3
3
3
1
1
*
*
30  
31  
32  
39  
41  
43  
44  
*
*
*
45  
*
46  
47  
48  
53  
*
*
*
*
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
OPTIONAL ACCESSORIES  
*
55  
57  
START KIT  
SLEEVE (ONLY)  
GRILLE, STAMPED  
61008903  
61603611  
61603011  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
160  
770  
771  
* Part Not Shown  
28  
WS - WE - WY SERIES SLEEVE PARTS  
REF  
DESCRIPTION  
PART NO.  
1
2
3
4
SLEEVE ASSEMBLY  
PANEL, WEATHER INNER  
GRILLE, LOUVERED  
PANEL, WEATHER OUTER  
61603611  
61603201  
61603011  
61603303  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
WS, WE & WY SERIES SLEEVE PARTS  
4
2
1
3
29  
Friedrich Air Conditioning Co.  
Post Office Box 1540 • San Antonio, Texas 78295-1540  
4200 N. Pan Am Expressway • San Antonio, Texas 78218-5212  
(210) 357-4400 • FAX (210) 357-4480  
Printed in the U.S.A.  
WM-Svc-Prts-07 (3-07)  

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