SR POOL AND SPA HEATER
NATURAL GAS / LP GAS
AUX
2
LOW SPEED
STER PUMP
BOO
H
SPEED
AUX
1
HIG
ER
T
FIL
PUMP
O W N E R ’ S M A N U A L
INSTALLATION, OPERATION & PARTS
MODELS
200K BTU/HR
333K BTU/HR
400K BTU/HR
SR200NA
SR333NA
SR400NA
SR200LP
SR333LP
SR400LP
SPECIAL INSTRUCTIONS TO OWNER
Retain this manual for future reference.
This manual supplies information for the installation, operation,
and servicing of the appliance. It is strongly recommended that
this manual be reviewed completely before proceeding with an
installation. Its use will reduce service calls and chance of injury
and will lengthen product life.
9
If the information in these instructions is not followed exactly, a fire
or explosion may result causing property damage, personal injury or death.
– Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the
gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
– Installation and service must be performed by a qualified installer, service
agency or the gas supplier.
Sta-Rite Pool/Spa Group
293 Wright Street, Delavan, WI 53115
North America: 800-752-0183, FAX 800-582-2217
International: 262-728-5551, FAX: 262-728-4461, TELEX: ITT 4970245
Union City, TN • Delavan, WI • Mississauga, Ont. • Murrieta, CA
© 2003, Sta-Rite Industries, Inc. Printed in U.S.A.
S396 (Rev. 1/17/03)
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SAFETY INSTRUCTIONS (Continued)
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper and
dangerous operation.
Connect heater to 120 Volt, 60 Hz., 1 Phase power only.
Verify proper operation after servicing.
Do not allow children to play on or around heater or asso-
ciated equipment.
Never allow children to use the pool or spa without adult
supervision.
Do not attempt to adjust the gas flow by adjusting the reg-
ulator setting.
Risk of fire or explosion from incorrect fuel
use or faulty fuel conversion. Do not try to run a heater set
up for natural gas on LP gas (Propane) or vice versa. Only
qualified service technicians should attempt to convert
heater from one fuel to the other.
Do not attempt to alter the rated input or type of gas by
changing the orifice. If it is necessary to convert to a differ-
ent type of gas, consult your Sta-Rite dealer. Serious mal-
function of the burner can occur which may result in loss
of life. Any additions, changes, or conversions required in
order for the appliance to satisfactorily meet the applica-
tion needs must be made by a Sta-Rite dealer or other
qualified agency using factory specified and approved
parts.
Read and follow other safety information contained in this
manual prior to operating this pool heater.
GENERAL SPECIFICATIONS/
REQUIREMENTS
NOTICE: Combustion air contaminated by corrosive chemi-
cal fumes can damage the heater and will void the warranty.
The heater is available for use with natural gas or LP
(propane) gas. Refer to the nameplate for the type of gas
the heater is equipped to use.
• Use heater only with the fuel for which it is designed.
Do not attempt to convert from one type of gas to
another.
• If heater design does not match available fuel, have a
qualified service technician convert the heater to the
correct fuel before putting heater into operation.
NOTICE: The Combination Gas Control Valve on this
appliance differs from most appliance gas controls. If it
must be replaced, for safety reasons replace it only with an
identical gas control.
NOTICE: The jacket covers must be in place to provide
proper ventilation. Do not operate the heater for more than
five (5) minutes with the jacket covers removed.
This heater is design certified by CSA International as com-
plying with the Standard for Gas-Fired Pool heaters, ANSI
Z21.56*CSA 4.7, and is intended for use in heating fresh-
water swimming pools or spas.
NOTICE: Do not use this heater as a heating boiler, water
heater, or for heating salt-water pools. This heater is
intended for use in heating fresh water swimming pools or
spas only.
Risk of fire or explosion from flammable
vapors. Do not store gasoline, cleaning fluids, varnishes,
paints, or other volatile flammable liquids near heater or in
the same room with heater.
Risk of fire, carbon monoxide poisoning, or
asphyxiation if exhaust venting system leaks. Only quali-
fied service technicians should attempt to service the
heater, as leakage of exhaust products or flammable gas
may result from incorrect servicing.
The heater requires an external 120 VAC single-phase elec-
tric power source.
For indoor installation, the heater must be located as close
as practical to a chimney or gas vent.
Risk of explosion if an LP (propane) gas unit
is installed in a pit or other low spot. LP gas is heavier
than air. Do not install an LP gas fired heater in pits or
other locations where gas might collect. Consult local
codes and fire protection authorities about specific installa-
tion requirements and restrictions. Locate the heater away
from LP gas storage and filling equipment as specified by
the Standard for the Storage and Handling of Liquified
Petroleum Gases, ANSI/NFPA 58 (latest edition).
The heater is design certified by CSA International for
installation on combustible flooring. Specified minimum
clearances must be maintained to combustible surfaces
(see “Installation Instructions”, Pages 9 - 11).
The heater should be located in an area where leakage of
the heater or connections will not result in damage to the
area adjacent to the heater or to the structure. When such
locations cannot be avoided, it is recommended that a suit-
able drain pan, adequately drained, be installed under the
heater. The pan must not restrict air flow.
The heater may not be installed within five feet of the
inside surface of a pool or spa unless it is separated by a
solid fence, wall or other permanent barrier.
LPG (Propane) fired heaters must not be installed in
garages in Massachusetts, by order of the Massachusetts
State Fire Marshall. For more information, call the Fire
Marshall’s office.
Risk of asphyxiation if exhaust is not correct-
ly vented. Follow venting instructions exactly when
installing heater. Do not use a draft hood with this heater,
as the exhaust is under pressure from the burner blower
and a draft hood will allow exhaust fumes to blow into the
room housing the heater.
The heater is supplied with an integral venting system for
outdoor installation. A vent conversion kit (See Page 14 for
Part Numbers for Conversion Kits) is available for indoor
installations. Use the specified venting, and only the speci-
fied venting, when heater is installed indoors.
3
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SEQUENCE OF OPERATION
DESCRIPTION OF THE HEATER
An electronic temperature sensing thermistor in the mani-
fold adapter inlet controls the heater operation. When the
inlet water temperature drops below the temperature set on
the operating control, the burner controller supplies
power to the combustion air blower through a series of
safety interlocks. The interlocks consist of
Air
Blower
• the pressure switch (PS), which senses that the pump is
running,
• the high limit switch (HLS), which opens if the heat
exchanger outlet temperature goes above 135°F, and
• the automatic gas shutoff (AGS) switch, which opens if
the heat exchanger outlet temperature goes above
140°F.
Mixer
Inlet
(Cold
Water)
• the stack flue sensor (SFS), which shuts down the heater
if the flue gas temperature reaches 500°F.
The air flow switch (AFS) senses the pressure drop across
the air metering orifice. As soon as there is sufficient air
flow, the AFS closes, closing the circuit to the hot surface
ignition (HSI), which ignites the fuel mixture.
Outlet
(Mixed
Water)
Burner
Heating Coils
On a call for heat, the blower and HSI are energized. In
about 20 seconds, the gas valve opens and ignition occurs.
The HSI then switches to a sensing mode and monitors the
flame.
FIGURE 2
The heater is equipped with a digital operating control that
enables the user to pre-set the desired pool and spa water
temperatures. The control enables the user to select
between pool and spa heating, and features a digital dis-
play that indicates the water temperature.
Figure 2 is a diagram of the heater showing how it operates.
Precisely matched orifice plates meter the air and gas into
the mixer. The blower draws the air and gas through the
mixer and forces it into the burner’s flameholder. A sealed
heat exchanger surrounds the flameholder, discharging
exhaust gases out the flue.
Two inch PVC water piping connects directly to the mani-
fold/header on the heat exchanger using 2” PVC slip unions
provided with the heater. The outer manifold remains cool;
no heat sinks are required. A thermal regulator and an inter-
nal bypass regulate the water flow through the heat
OWNER’S OPERATING
INSTRUCTIONS
FOR YOUR SAFETY READ BEFORE OPERATING
IF YOU DO NOT FOLLOW THESE
INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION
MAY RESULT, CAUSING PROPERTY DAMAGE,
PERSONAL INJURY OR LOSS OF LIFE.
exchanger to maintain the correct outlet temperature.
A plastic jacket with the top half split for access surrounds
the assembly. The heater control board assembly, set into
the top of the jacket, contains the operating controls.
START-UP AND OPERATION
START-UP AND SHUTDOWN INSTRUCTIONS ARE ON
THE LABEL ATTACHED TO THE COVER OF THE APPLI-
ANCE CONTROL BOX.
BEFORE START-UP
A. This appliance does not have a pilot. It is equipped
with an ignition device which automatically lights the
burner. Do not try to light the burner by hand.
B. BEFORE OPERATING check for odor. Sniff all around
the appliance area for gas. Be sure to sniff next to the
floor, because some gas (such as propane) is heavier
than air and will settle on the floor.
4
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3. Pregnant women beware! Soaking in water above
102°F (39°C) can cause fetal damage during the first
three months of pregnancy (resulting in the birth of a
brain-damaged or deformed child). Pregnant women
should follow the 100°F (38°C) maximum rule.
4. Before entering the spa or hot tub, users should check
the water temperature with an accurate thermometer;
spa or hot tub thermostats may err in regulating water
temperature.
5. Persons with medical history of heart disease, circula-
tory problems, diabetes or blood pressure problems
should obtain their physician’s advice before using
spas or hot tubs.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire
department.
C. Use only your hand to push in or turn the gas control
knob. Never use tools. If the knob will not push in or
turn by hand, don’t try to repair it, call a qualified ser-
vice technician. Force or attempted repair may result
in fire or explosion.
D. Do not use this heater if any part has been under
water. Immediately call a qualified service technician
to inspect the heater and to replace any part of the
control system and any gas control which has been
under water.
E. Do not operate the pool heater unless the pool or spa
is properly filled with water.
F. Before operating the appliance for the first time or after
it has been off for an extended time, perform the fol-
lowing checklist:
6. Persons taking medications which induce drowsiness,
such as tranquilizers, antihistamines or anticoagulants,
should not use spas or hot tubs.
OPERATING INSTRUCTIONS
1. STOP! Read the safety information to the left.
2. Set both pool and spa thermostats to the lowest settings.
3. Turn off all electric power to the appliance.
4. This appliance does not have a pilot. It is equipped
with an ignition device which automatically lights the
burner. Do not try to light the burner by hand.
1. Remove debris or other articles from inside the
heater and the area around the heater and its
exhaust vent. Make sure the ventilation openings are
clear of debris or obstruction. For installations in an
enclosed space, make sure openings for combustion
and ventilation air are unobstructed.
5. Remove the jacket cover(s) by unfastening the screws
connecting both halves of the top jacket. See Figure 3.
2. Keep heater area clear and free from combustibles,
flammable liquids and chemicals.
3. Check that all water connections are tight.
4. Water must be flowing through the heater during
operation. Make sure that the pool/spa is filled with
water and have the pump operating. Check that
water flow is unobstructed from the appliance.
When operating for the first time or after an extend-
ed shut-down, run filter pump for several minutes
to clear all air from the system.
SPA TEMPERATURE CAUTION
All safety rules recommended by the U.S. Consumer
Product Safety Commission should be observed when
using a spa or hot tub, including:
1. Spa or hot tub water temperatures should never exceed
104°F (40°C). A temperature of 100°F (38°C) is consid-
ered safe for a healthy adult. Special caution is sug-
gested for young children.
FIGURE 3: Removal of jacket covers
2. Drinking of alcoholic beverages before or during spa
or hot tub use can cause drowsiness which could lead
to unconsciousness and subsequently result in
drowning.
5
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11. Turn on all electric power to the appliance.
12. Press either the POOL ON or SPA ON button switches
on the operating control.
6. Turn the knob on the gas control clockwise (
) to
the black line, depress slightly, and turn to “OFF”
position. See Figure 4.
13. Set the thermostat to desired setting (NOTICE: Set
point must be above actual water temperature or burn-
er will not fire). See OPERATING CONTROL below.
14. The blower should come on immediately, and after
about 20 seconds, the burner should fire. When oper-
ating for the first time, the burner may not fire on the
first try because of air in the gas line. If it does not fire
at first, push the OFF switch, wait five minutes, and
again push the POOL or SPA ON switch. The burner
should fire after about 20 seconds. You may have to
repeat this until all of the air has cleared the gas line.
15. The burner should fire until the pool/spa temperature
reaches the desired temperature set on the thermostat.
The blower will continue to run for about 45 seconds
after the burner shuts off. If any of the safety interlocks
should open during burner operation, the burner shuts
off immediately, but the blower continues to run for
about 45 seconds.
Indexing Point
Gas control is shown ON.
Turn Clockwise and press
down to turn gas off.
Gas is now OFF
You are
here
You are here
Should overheating occur or the gas supply fail to
shut off, turn off the manual gas control valve to the
appliance.
2671 1096
FIGURE 4: Turning gas control OFF
16. If the appliance will not operate, follow the instruc-
tions “TO TURN OFF GAS TO THE APPLIANCE”, and
call your service technician or gas supplier.
7. Wait five (5) minutes to clear out any gas. If you then
smell gas, STOP! Follow “B” in the “Before Startup”
instructions (Page 4). If you don’t smell gas, go to the
next step.
TO TURN OFF GAS TO THE APPLIANCE
8. Turn the knob on the gas control counter-clockwise
1. Depress OFF button on operating control.
2. Turn off all electric power to the unit.
3. Remove jacket cover(s). See Figure 3.
(
) to the “ON” position. See Figure 5.
Indexing Point
HEATER PARTS MAY BE HOT.
Gas control is shown OFF.
Turn Counter-clockwise
and release to turn gas on.
4. Turn the knob on the gas control clockwise (
) to
the black line, depress slightly, and turn to “OFF”
position. See Figure 4.
5. Replace jacket cover(s).
OPERATING CONTROL
Digital Temperature
Display
LOW SPEED
BOOSTER PUMP
HIGH SPEED
Gas is now ON.
You are here
TemperatureUp/Down
System Operation
Indicator Lights
AUX
2
FILTER
PUMP
AUX
1
You are
here
2672 1096
Dual Temperature
Controls
FIGURE 5: Turning gas control ON
9. Replace jacket cover(s). All jacket covers must be in
place when operating the appliance.
FIGURE 6: Operating Control. See Page 36 for External
Control Interface.
10. Set 3-way valves on inlet and outlet to pool or spa, as
appropriate.
6
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The five operating switches are:
After start-up, the outlet water pipe should feel slightly
warmer than the inlet pipe. If it feels hot, or if you hear the
water in the heater boiling, there may not be enough water
flow to the appliance. Make sure that the filter is not
plugged. If water temperature remains high but the unit
continues to operate, turn off the appliance and call your
service technician.
POOL ON Press this button to govern heater operation by
the pool temperature setting.
SPA ON Press this button to govern heater operation by the
spa temperature setting.
OFF Press this button to switch off the heater.
▲TEMP Press this button to raise the temperature setting.
SPRING AND FALL OPERATION
▼TEMP Press this button to lower the temperature setting.
If the pool is only used occasionally, lower the pool ther-
mostat to 65°F. and leave the heater on. This will keep the
pool and the surrounding ground warm enough so that the
heater should restore the pool to a comfortable tempera-
ture within about one day.
To toggle the display between degrees Centigrade (°C) and
degrees Fairenheit (°F):
1. Turn the Operating Control OFF.
2. Press ▲TEMP or ▼TEMP for 5 seconds. The display
will flash once and change modes (°C to °F or vice
versa).
COLD WEATHER OPERATION
When either the ▲TEMP or ▼TEMP buttons are depressed,
the digital display will indicate the temperature setting.
After five seconds, the display will return to the actual
pool/spa temperature.
In addition to the digital temperature display, there are five
indicator lights:
The POOL ON light indicates that the pool water tempera-
ture is governing operation of the heater.
The SPA ON light indicates that the spa water temperature
is governing operation of the heater.
The heater may be operated in the wintertime, provided air
temperatures remain above freezing and the water tempera-
ture is not permitted to drop below 65°F. Extended heater
operation with water temperatures below 65°F can result in
serious damage to the heater and is not covered by warranty.
NOTICE: When starting the heater for the swimming sea-
son with a water temperature below 50°F, the heater may
be used to heat the water; however, make sure that the
heater operates continuously until the water temperature
reaches the heater’s minimum setting of 65°F.
During cold weather, if there is no danger of freezing,
operate the filter pump continuously even if the heater is
not operating. If air temperatures are expected to drop
below freezing (32°F), shut down the heater and winterize
it (See ”WINTERIZING”, Page 8). Allowing the heater to
freeze will void the warranty.
The HEATING light comes on and stays on when the burn-
er is firing. This light should be on whenever the burner is
on. It blinks when the heater is calling for heat but not fir-
ing. If this light is on but the burner fails to come on, one
of the “service” lights should come on, indicating a fault in
the system.
The SERVICE SYSTEM light indicates that there is insufficient
water flow to the heater. If the pump is operating, this usual-
ly indicates that the filter and/or skimmers should be cleaned
(some filters may require backwashing). If the light remains
on after the filter/skimmers have been serviced, the system
should be checked by a qualified service technician.
The SERVICE HEATER light indicates a fault in the heater
or its controls. If this light comes on, shut down the heater
(See TO TURN OFF GAS TO THE APPLIANCE, at left), and
have a qualified service technician check the system.
MAINTAINING POOL TEMPERATURE
To maintain pool temperature, make sure that the heater
switch and valving are reset to pool settings after using the
spa.
ENERGY SAVING TIPS
1. Keep the pool or spa covered when not in use. This
will reduce heating costs, reduce water evaporation,
conserve chemicals and reduce load on the filtering
system.
Risk of explosion or fire causing burns or
death if safety interlocks are disabled. DO NOT attempt to
operate heater when SERVICE HEATER light is on or if
blower or burner will not start. Instead, follow instructions
under “To Turn Off Gas to the Appliance”, at left, and call
a qualified service technician to repair unit.
2. Reduce pool thermostat to 78°F or lower; reduce spa
temperature to 100°F.
3. Use a time clock to start the filter pump at 6 a.m. or
later. The swimming pool loses less heat after day-
break.
4. For pools used only on weekends, lower the thermostat
setting by 10°F to 15°F during the week to reduce heat
loss. A properly sized heater will restore normal tem-
perature within one day.
5. Turn the heater off when the pool will not be used for
an extended period.
AFTER START-UP
CHECKING WATER FLOW
Fire or flooding hazard. If the unit overheats
and the burner fails to shut off, follow instructions under
“To Turn Off Gas to the Appliance”, Page 6, and call a
qualified service technician to repair unit.
6. Follow a regular program of preventive maintenance
for the heater each new swimming season. Check
operation of the heater and its controls.
7
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CARE AND MAINTENANCE
MAINTENANCE INSTRUCTIONS
Explosion hazard. Purging the system with
compressed air can cause components to explode, with
risk of severe injury or death to anyone nearby. Use only
a low pressure (below 5 PSI), high volume blower when air
purging the heater, pump, filter, or piping.
4. Remove the Water Pressure Switch. Plug the port in the
manifold to prevent bugs and dirt from getting into the
manifold.
5. Drain the plastic inlet/outlet manifold through the out-
let pipe. If the pipe does not drain naturally to the
pool, install a drain cock in the outlet pipe to drain the
manifold.
6. Cover air inlet grate with a plastic bag to prevent bugs,
leaves, etc., from getting into the heater.
Risk of fire or explosion from flammable
vapors. Do not store gasoline, cleaning fluids, varnishes,
paints, or other volatile flammable liquids near heater or in
the same room with heater.
The following maintenance is recommended every six
months and at the start of every swimming season:
1. Inspect the jacket and venting system to make sure that
there are no obstructions to the flow of ventilating air
or burner exhaust. On indoor heaters, check that room
air intakes are open and clear of obstructions.
2. Keep the area in and around the heater clear and free
from combustible materials, gasoline and other flam-
mable vapors and corrosive liquids.
Combination Gas Control Valve OFF
O N
Turn Clockwise
and press down
to turn off gas.
3. On heaters equipped with a pressure relief valve, test
the operation of the valve by lifting the valve lever.
4. Test for proper operation of the pressure switch. (See
“SWITCH SETTINGS” for testing instructions).
VENT
Manual/Gas Valve OFF
PILOT
Power
5. On indoor installations with high-temperature Special
Gas Vent systems, repeat the Final Installation Check,
Page 15. Check for evidence of joint leakage. Make
sure that joints have not slipped partially or completely
apart. Check pipe and fittings for cracks or breaks.
The combustion air blower is permanently lubricated,
and does not require periodic lubrication. The burner does
not require maintenance or adjustment by the user. Call a
qualified service technician if you suspect that the burner
may require maintenance.
O N
FF
OFF
Remove Water Pressure
Switch to help Manifold
Drain
Drain Inlet/Outlet
Manifold
WINTERIZING (See Figure 7)
Inlet
2704 1196
For outdoor heaters in freezing climates, shut the heater
down and drain it for winter as follows:
Outlet
Open
1. Turn off electrical supply to the heater and pump.
2. Close main gas control valve and manual gas valve
(located outside the heater).
Drain Cock(s) and Plugs
OPEN
3. Open drain cock located on the bottom of the mani-
fold adapter, and drain the heat exchanger and mani-
fold adapter completely. If heater is below pool water
level, be sure to close isolation valves to prevent drain-
ing the pool (isolation valves are not required and
should not be used on heaters installed above pool
water level). Assist the draining by blowing out the
heat exchanger through the pressure switch fitting with
low pressure compressed air (less than 5 PSI or
35 kPa).
Close Isolation Valves
FIGURE 7: Winterizing
NOTICE: Water trapped in the heater can cause freeze
damage. Allowing the heater to freeze voids the warranty.
To return the heater to service after winterizing:
1. Close drain cock and fittings.
2. Before starting the heater, circulate water through the
heater for several minutes until all air noises stop.
See also “BEFORE STARTUP” (Page 4) and
“CARE AND MAINTENANCE” (above).
8
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HEATER CLEARANCES – OUTDOOR
INSTALLATION INSTRUCTIONS
Risk of fire, explosion, or asphyxiation if heater
is improperly installed, adjusted, serviced or maintained.
These instructions are for licensed, certified, trained and
experienced installers only. Be sure your installer or service
technician holds all required licenses or certification for
your area. Attempts by unqualified persons to service or
repair this heater are dangerous and could be fatal.
If the heater is located under a roof or deck overhang,
there must be at least three feet (3’) clear space between
the bottom of the overhang and the top of the heater
exhaust vent. The heater must be at least six inches (6”)
from the nearest wall (clearance for service access will
depend on the installation). If the heater is under a roof or
deck overhang, the space around the heater must be open
on three sides.
The heater is certified for installation on combustible flooring.
The following clearances must be maintained from com-
bustible surfaces:
TOP ............................................3 FEET
ALL SIDES..............................6 INCHES
Orient the heater for convenient access to the water con-
nections and the gas and electrical connections.
PUTTING THE HEATER INTO SERVICE
If the heater is installed below the level of the pool, or
more than two feet above pool level, the pressure switch
setting should be adjusted. See PRESSURE SWITCH, in the
MAINTENANCE section.
Before putting the heater into service for the first time, fol-
low the instructions under BEFORE STARTUP in the front
of this manual. Check for proper operation of the heater by
following the steps under OPERATING INSTRUCTIONS.
Damage to equipment caused by improper installation or
repair will void the warranty.
3' or more
Outdoor
installations
must have at
least 3' of
OUTDOOR INSTALLATION INSTRUCTIONS
For heaters located outdoors, using the built-in stackless
venting system.
clearance
above vent.
Risk of explosion if an LP (propane) gas unit is
installed in a pit or other low spot. LP gas is heavier than
air. Do not install the heater using LP gas in pits or other
locations where gas might collect. Consult your local build-
ing code officials to determine installation requirements of
heater relative to LP gas storage tanks and filling equipment.
Installation must meet the requirements of the Standard for
the Storage and Handling of Liquid Petroleum Gases,
ANSI/NFPA 58 (latest edition). Consult local codes and fire pro-
tection authorities about specific installation restrictions.
Space around unit must be open
on three sides when under roof
or overhang.
leave 6 in.
of clear space
between
unit and
combustible
surfaces
Locate the heater on a level surface in an open area that is
protected from drainage or run-off. Install the heater in an
area where leaves or other debris will not collect on or
around the heater. Do not install the heater where water
(including sprinklers or runoff) will fall directly onto the
jacket.
6"
TOP VIEW
FIGURE 8: Combustible Clearances
9
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CONTROL PANEL INDEXING
INSTALLATION IN A GARAGE
OR UTILITY ROOM
The exhaust discharges vertically from outside the vent
cover. The heater control panel assembly on top of the
jacket can be turned to any of six positions for convenient
access to the panel as follows:
1. Unbolt and separate the jacket halves.
2. Pull hair pin clips.
Risk of fire and explosion if installed at floor
level in an automotive garage or near gasoline or flamma-
ble liquid storage. Gasoline fumes are heavier than air and
will settle to floor level in closed spaces. Gasoline fumes
and spilled gasoline or other volatile liquids (such as some
paints and varnishes) will travel across the floor and can be
ignited by a gas appliance. In a utility room or residential
garage installation, install the heater with the base at least
18 inches above the floor. In a garage, install a rail or wall
to protect the heater from physical damage by a moving
vehicle.
3. Depress plastic clips on the control panel assembly.
4. Lift panel off of support plate.
5. Turn the assembly to the desired position and snap in
place.
6. Make sure that the operating controls can be
adjusted without having to lean over the
exhaust vent.
Provide an adequate ventilation air supply (see Instruc-
tions, at right). Choose a location that will avoid contami-
nation by chemical fumes.
7. Replace hair pin clips.
8. Replace jacket halves and bolts and tighten.
NOTICE: LPG fired heaters must not be installed in garages
in Massachusetts, by order of the State Fire Marshall. For
more information, call the Massachusetts State Fire
Marshall’s office.
5
4
FIL
TER
PU
MP
NOTICE: Combustion air contaminated by corrosive
chemical fumes can damage the heater and will void the
warranty (See Table 1, Page 11).
3
2
1
6 in. clear
space above
2732 1296
FIGURE 9: Indexing Control Panel
Raise at least 18"
above floor to avoid
flammable vapors
INDOOR INSTALLATION
INSTRUCTIONS
18"
NOTICE: Local codes may restrict indoor installations.
Consult local code officials.
Risk of asphyxiation if exhaust is not correct-
ly vented. Follow venting instructions exactly when
installing heater. Do not use a draft hood with this heater,
as the exhaust is under pressure from the burner blower
and a draft hood will allow exhaust fumes to blow into the
room housing the heater. Exhaust venting to the outdoors
is required for all indoor installations.
leave 6 in.
of clear space
between
unit and
combustible
surfaces
6"
Risk of explosion if an LP (propane) gas unit
is installed in a pit or other low spot. LP gas is heavier
than air. Do not install the heater using LP gas in pits or
other locations where gas might collect. Consult your local
building code officials to determine installation require-
ments of heater relative to LP gas storage tanks and filling
equipment. Installation must meet the requirements for the
Standard for the Storage and Handling of Liquified
Petroleum Gases, ANSI/NFPA 58 (latest edition). Consult
local codes and fire protection authorities about specific
installation restrictions.
TOP VIEW
FIGURE 10: Minimum indoor clearances - garage or utility
room installation
HEATER CLEARANCES – INDOOR
The following clearances must be maintained from com-
bustible surfaces:
TOP.......................................6 INCHES
ALL SIDES..............................6 INCHES
VENT .....................................6 INCHES
The heater is design certified by CSA International for
installation on combustible flooring; in alcoves; in base-
ments; in closets or utility rooms.
10
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The heater is design certified by CSA International for
installation on combustible flooring. For installation on car-
peting, the heater must be mounted on a metal or wood
panel that extends at least three (3) inches beyond the base
of the heater. If the heater is installed in a closet or alcove,
the entire floor shall be covered by the panel.
On an indoor installation, the exhaust discharges into a
vent pipe. Orient the heater so that the vent pipe does not
interfere with adjustment of the operating controls. The
operating control panel located on top of the jacket can be
rotated for convenient access to the control panel.
The minimum net free area in square inches shall be
as follows:
Table 2: Combustion and Ventilation
Air Requirements
All Air From
All Air From
Inside Building
Outside Building
Model Combustion
Vent
Combustion
Vent
200
333
400
200 Sq. In. 200 Sq. In. 50 Sq. In. 50 Sq. In.
333 Sq. In. 333 Sq. In. 84 Sq. In. 84 Sq. In.
400 Sq. In. 400 Sq. In. 100 Sq. In. 100 Sq. In.
Table 1: Corrosive Vapors and
Possible Causes
INDOOR VENT INSTALLATION
Area
Likely Contaminants
Always vent the heater to the outdoors.
Chlorinated swimming
pools and spas
Pool or spa cleaning
chemicals. Acids, such as
hydrochloric or muriatic acid
• Vent it horizontally or vertically using a Special Gas
Vent, (see Table 5, Page 14), or
• Vent it vertically using Type “B” double wall vent con-
nector pipe.
Locate the heater so as to minimize the length of horizon-
tal venting and the number of vent elbows required.
Horizontal vent runs must slope up 1/4” per foot from the
heater to allow exhaust condensate to drain and must have
a condensate drain as described in the venting installation
instructions.
New construction and
remodeling areas
Glues and cements,
construction adhesives,
paints, varnishes, and
paint and varnish strippers.
Waxes and cleaners
containing calcium or
sodium chloride
Beauty parlors
Permanent wave solutions,
bleaches, aerosol cans
containing chlorocarbons
or fluorocarbons
OUTSIDE VENT COVER REMOVAL
The heater is supplied from the factory with a built-in
stackless outside vent for outdoor installation. Remove the
outside vent cover for indoor installation.
Refrigeration plants or
various industrial
finishing and processing
plants
Refrigerants, acids, glues
and cements, construction
adhesives
Dry cleaning and
laundry areas
Bleaches, detergents, or
laundry soaps containing
chlorine.
Waxes and cleaners
containing chlorine,
calcium or sodium chloride
Clean the Interior Surface
Vent Body
4" x 8" Metal
Flue Collar
COMBUSTION AND VENTILATION AIR SUPPLY
Vent Pipe
For indoor installation, the heater requires air supply open-
ings for ventilation and combustion. The minimum require-
ments are for two (2) openings: one 12 inches from the
ceiling for ventilation air and one 12 inches from the floor
for combustion air, in accordance with the latest edition of
the National Fuel Gas Code, ANSI Z223.1., and any local
codes that may apply.
Clean and RTV
This Surface
Combustion
Chamber
2855 0597 RTV
Flue Collar
FIGURE 11: Flue collar
11
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rior of the 4” end of the metal Flue Collar. Attach the
metal Flue Collar to the Vent Body using the RTV sup-
plied with the kit, following the instructions included
with kit. Do not use a draft hood with this heater.
3. Attach the vent pipe to the metal Flue Collar with
sheet-metal screws.
VERTICAL VENTING - NEGATIVE PRESSURE
(See Figures 11 and 12)
Vent the heater vertically in a negative pressure (positive
draft) system in accordance with the National Fuel Gas
Code, ANSI Z223.1, and local codes. Type “B” Double-
wall vent connector is recommended; however single-wall
pipe is allowed by the National Fuel Gas Code in some
circumstances. Consult your local code official for detailed
information. Do not use a draft hood with this heater.
To connect a negative pressure metal gas vent to the
heater, order the appropriate Metal Flue Collar from the
chart below:
Risk of fire or asphyxiation if vent is not
assembled according to manufacturer’s instructions or if
vent parts from different manufacturers are mixed. Vent
parts from different manufacturers ARE NOT interchange-
able. Mixing parts from more than one manufacturer may
cause leaks or damage to vent. When assembling a vent,
pick one manufacturer and be sure that all vent parts come
from that manufacturer and are specified by the manufac-
turer for your system. Follow manufacturer’s instructions
and local and National Fuel Gas Code requirements care-
fully during assembly and installation.
Metal Flue Collar
Sta-Rite Part No.
77707-0076
4x6”
4x8”
77707-0077
4. Install vent pipe so that it can expand and contract
freely as the temperature changes. Support the vent
pipe according to applicable codes and the vent manu-
facturer’s instructions. Pipe support must allow the
vent pipe free movement out and back, from side to
side, or up and down as necessary, without putting a
strain on the heater or vent body. Slope horizontal pipe
runs up from the heater at least 1/4” per foot. Install
Listed condensate drains at low points where conden-
sate might collect. Plumb condensate drains to a drain
through hard piping or high-temperature tubing such
as silicone rubber or EPDM rubber – do not use vinyl
or other low temperature tubing. Follow drain manu-
facturer’s installation instructions.
5. Use Listed firestops for floor and ceiling penetrations.
Use Listed thimble for wall penetrations. Use a Listed
roof flashing, roof jack, or roof thimble for all roof pen-
etrations. Do not fill the space around the vent (that is,
the clear air space in the thimble or firestop) with
insulation. The roof opening must be located so that
the vent is vertical.
1. See Table 3, below, to determine allowable vent sizes
for your heater.
NOTICE: Table 3 is for installations in which the total later-
al vent length (that is, the horizontal distance from the flue
collar to the main vertical portion of the vent) is less than
1/2 the total vent height (the vertical distance from the flue
collar to the vent termination) and which have three or less
elbows in the system. For venting systems which do not
meet these conditions, consult the National Fuel Gas
Code, ANSI Z223.1
2. Install the metal Flue Collar in the Vent Body of the
heater (located under the outside vent cover). Fasten
the metal Flue Collar to the Vent Body with two #10
®
sheet metal screws. Use UltraCopper silicone RTV to
seal the metal Flue Collar to the Vent Body. Follow
instructions supplied with the metal Flue Collar. Before
connecting the metal Flue Collar to the Vent Body, wet
a clean cloth or paper towel with isopropyl alcohol
(rubbing alcohol) and vigorously wipe the socket of the
Vent Body. Immediately wipe the cleaned surfaces dry
with a clean cloth or paper towel. Repeat for the exte-
Table 3: Permitted Minimum and Maximum Vent Heights By Size and Heater Model
Read “VERTICAL VENTING – NEGATIVE PRESSURE” (above) before using this table.
Type B Double Wall Vent With Type B Double Wall Connector
Model 200
Model 333
Model 400
Vent Size
Min. Height
Max. Height
Min. Height
Max. Height
Min. Height
Max. Height
6 in.
7 in.
8 in.
6 Ft.
6 Ft.
6 Ft.
6 Ft.
100 Ft.
100 Ft.
100 Ft.
50 Ft.
30 Ft.
10 Ft.
6 Ft.
100 Ft.
100 Ft.
100 Ft.
100 Ft.
Not Rec.
15 Ft.
8 Ft.
Not Rec.
100 Ft.
100 Ft.
100 Ft.
9 and 10 in.
6 Ft.
6 Ft.
Type B Double Wall Vent With Single Wall Connector
Model 200 Model 333
Model 400
Vent Size
Min. Height
Max. Height
Min. Height
Max. Height
Min. Height
Max. Height
6 in.
7 in.
8 in.
9 in.
10 in.
6 Ft.
6 Ft.
Not Rec.
Not Rec.
Not Rec.
15 Ft.
8 Ft.
Not Rec.
Not Rec.
Not Rec.
Not Rec.
10 Ft.
6 Ft.
Not Rec.
Not Rec.
Not Rec.
20 Ft.
20 Ft.
Not Rec.
Not Rec.
Not Rec.
15 Ft.
8 Ft.
6 Ft.
Not Rec.
Not Rec.
50 Ft.
20 Ft.
6 Ft.
Not Rec.
12
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6. See Table 4 for height of vent termination above the
HORIZONTAL OR VERTICAL VENTING -
POSITIVE PRESSURE (SPECIAL GAS VENTING)
(See Figures 13 and 14)
roof.
7. Do not run the heater vent into a common vent with
any other appliance.
Vent the heater either horizontally or vertically using one
of the 4-inch Special Gas Vent Pipes listed on Page 14
(Table 5). Install the vent pipe in accordance with local
codes and the provisions of the National Fuel Gas Code,
ANSI Z223.1, and the vent manufacturer’s instructions.
Do not use a draft hood with this heater. Use one of the
special gas vents specified in Table 5 (Page 14) for positive-
pressure venting of this heater – do not use any other vent
with it. Install the vent according to the vent manufactur-
er’s detailed instructions.
8.
Fire Hazard. Do not vent the heater
directly into a masonry chimney. Installation into a
masonry chimney must use a chimney liner and must
meet National Fuel Gas Code requirements and all
local code requirements.
Table 4: Vent Termination Height vs.
Roof Pitch
Minimum Height
Roof Pitch
Above Roof*
Maintain clearance between the vent pipe and combustible
surfaces according to the vent manufacturer’s instructions
and code requirements. Do not place any insulating mate-
rials around the vent or inside the required clear air space
surrounding the vent. See Table 6 (Page 15) for maximum
permissable vent lengths. See Table 7 (Page 15) for Listed
vent components.
Flat to 6/12
6/12 to 7/12
>7/12 to 8/12
1 Ft.
1 Ft. 3 in.
1 Ft. 6 in.
2 Ft.
2 Ft. 6 in.
3 Ft. 4 in.
4 Ft.
>8/12 to 9/12
>9/12 to 10/12
>10/12 to 11/12
>11/12 to 12/12
>12/12 to 14/12
>14/12 to 16/12
>16/12 to 18/12
>18/12 to 20/12
>20/12 to 21/12
CONNECTING SPECIAL GAS
VENT TO THE HEATER
Metallic:
5 Ft.
6 Ft.
7 Ft.
1. Order an Appliance Adapter kit:
7 Ft. 6 in.
8 Ft.
®
Sta-Rite Part No. 77707-0086 for Saf-T Vent
®
or Saf-T Vent CI.
* Vent must be at least eight (8) feet away from nearest vertical
surface. Vents extending five (5) feet or more above the roof must
be braced or guyed. Consult your local code officials for detailed
information.
Sta-Rite Part No. 77707-0087 for Z-Vent.
2. Remove the outside vent cover.
3. Install the Appliance Adapter in the Vent Body of the
heater (located under the outside Vent Cover). Before
connecting the Appliance Adapter to the Vent Body,
wet a clean cloth or paper towel with isopropyl alco-
hol (rubbing alcohol) and vigorously wipe the socket
of the Vent Body. Immediately wipe the cleaned sur-
faces dry with a clean cloth or paper towel. Repeat for
the exterior of the heater end of the Appliance Adapter.
Attach the Appliance Adapter to the vent body using
the adhesive specified by the vent manufacturer, fol-
lowing the vent manufacturer’s instructions.
Listed
Termination
Cap
Min. 8 Ft.
See Table 4
Storm Collar
For Min. Hght.
Flashing
6" Minimum
Clearance to
Combustible
Materials
Risk of carbon monoxide poisoning if adapter
is improperly attached. Mechanical connections (such as
screws) can cause cracking and leaks in the adapter. Do
not drill holes or use screws to connect the appliance
adapter to the heater vent body. Attach with manufacturer’s
specified adhesive.
Class B Double Wall
Firestop
Metal Vent Pipe
Risk of fire or asphyxiation if vent is not
assembled according to manufacturer’s instructions or if
vent parts from different manufacturers are mixed. Vent
parts from different manufacturers ARE NOT interchange-
able. Mixing parts from more than one manufacturer may
cause leaks or damage to vent. When installing a vent,
pick one manufacturer and be sure that all vent parts come
from that manufacturer and are specified by the manufac-
turer for your system. Follow manufacturer’s instructions
and local and National Fuel Gas Code requirements care-
fully during assembly and installation.
Metal Flue
Collar
Vent
Support Vertical
Vent Pipe so
adapter does not
take weight of
pipe.
Body
FIGURE 12: Typical Metal Vent Pipe Installation
(Vertical – Negative Pressure)
13
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4. Install vent pipe so that it can expand and contract
freely as the temperature changes. Support the vent
pipe according to applicable codes and vent manufac-
turer’s instructions. Pipe support must allow the vent
pipe free movement out and back, from side to side, or
up and down as necessary, without putting a strain on
the heater or vent body. Slope horizontal pipe runs up
from the heater at least 1/4” per foot. Install Listed con-
densate drains at low points where condensate might
collect. Plumb condensate drains to a drain through
hard piping or high-temperature tubing such as sili-
cone rubber or EPDM rubber – do not use vinyl or
other low temperature tubing. Follow drain manufac-
turer’s installation instructions.
the clear air space in the thimble or firestop) with
insulation. The roof opening must be located so that
the vent is vertical.
6. Vent Termination – Vertical (See Table 4, Page 13, for
height of vent termination above the roof. See Table 7,
Page 15, for Listed terminations.) Use a Listed vent ter-
minal specified by local and national codes and your
manufacturer’s instructions. A roof termination must be
vertical.
7. Vent Termination – Horizontal (See Table 7). Use a list-
ed wall thimble and vent terminal from Table 7.
The terminal must be located (see Figure 13):
• at least 3” and at most 12” out from the wall (see Figure
14), following the vent manufacturer’s instructions.
• at least 12” above finished grade or the normally
expected snow accumulation level, whichever is higher
5. Use Listed firestops for floor and ceiling penetrations.
Use Listed thimble for wall penetrations. Use a Listed
roof flashing, roof jack, or roof thimble for all roof pen-
etrations. Do not fill the space around the vent (that is,
Max 12"
Min 3"
4' Min.
4' Min.
Vent
Termination
Vent
Termination
Vent
Termination
4' Min.
1' Min.
4' Min.
At least 7'
above grade
adjacent
to public
1' Minimum
Gas Meter
above snow or
Forced Air
walkways
finished grade
Inlet
3' Minimum clearance if
(whichever is
horizontal distance to
higher)
exhaust opening is less
than 10 feet.
FIGURE 13: Minimum exhaust vent clearances. Local codes may differ - consult local code officials.
Table 5: Recommended Special Gas Vents (Positive Pressure)
Brand
Manufacturer
Heat-Fab, Inc.
38 Hayward Street
Greenfield, MA 01301
(800) 772-0739
Material Type
Sealant
Saf-T Vent® 4”
Special Gas Vent
(Single Wall)
Metal
Consult Manufacturer
Consult Manufacturer
G.E. RTV 106
Saf-T CI Vent®
Special Gas Vent
(Double Wall)
Heat-Fab, Inc.
Metal
Metal
38 Hayward Street
Greenfield, MA 01301
(800) 772-0739
Z-Vent 4” Special
Gas Vent (Type BH),
Model SVE
Z-Flex U.S., Inc.
20 Commerce Park North
Bedrford, NH 03110-6911
(800) 654-5600
14
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• at least 4 feet below or horizontally from, or 1 foot
above, any doors or windows or gravity air inlet to a
building
• At least 3 feet above any forced air inlet located within
10 feet
8.
Fire Hazard. Do not run the heater vent
into a common vent with any other appliance. Do not
run the Special Gas Vent into, through, or within any
active vent such as a factory built or masonry chimney.
• At least 4 feet horizontally from electric meters, gas
meters, regulators and relief equipment
• At least 7 feet above grade adjacent to walkways or sim-
ilar traffic areas.
Table 6: Maximum Vent Length
4” Special Gas Vent (Vertical or Horizontal)*
No. of 90° Elbows
Maximum Length
Allow at least 3 feet vertical clearance over vent termina-
tion when terminating under an overhang or deck.
Avoid corners or alcoves where snow or wind could have
an effect. Exhaust may affect shrubbery and some building
materials. Keep shrubbery away from termination. To pre-
vent staining or deterioration, sealing or shielding exposed
surfaces may be required.
0
2
4
6
50 Ft.
40 Ft.
30 Ft.
20 Ft.
* Minimum vent length is one (1) foot, or in accordance with vent
manufacturer’s instructions, and local and national codes.
Horizontal vents 3’ or less in length do not require a condensate
tee, but must slope down toward the outlet at 1/4” to the foot to
allow condensate to drain.
Metal Special
Support
Gas Vent
weight
Final Installation Check:
Check that horizontal vent pipe runs slope uniformly at
least 1/4” per foot to condensate drain(s). No sags, no dips,
no high or low spots.
requires
of pipe
Appliance
Listed
Adapter
Terminal
Condensate
Tee
Metal
Vent
Check that vent is supported at elbows, tees, and horizon-
tal and vertical runs according to manufacturer’s instruc-
tions and code requirements.
Body
Slope at least
1/4" per foot
Check that vent supports and wall and ceiling penetrations
allow free movements up, down, and sideways without
putting any strains on the heater or vent body.
Check for at least six (6) inch free air clearance between
the heater vent pipe and combustible materials.
Condensate
drain w/Trap
down towards
3" Minimum,
12" Maximum
Clearance
condensate drain
Check that all joints are completely together and sealed.
FIGURE 14: Typical Special Gas Vent Pipe Installation
(Horizontal-Positive Pressure)
WATER CONNECTIONS
The heater requires proper water flow and pressure for its
operation. See Figures 15 and 16 for the recommended
installation. The filter pump discharges to the filter, the fil-
ter discharges to the heater, and the heater discharges
directly to the pool or spa.
Table 7: Listed Thimbles and Vent Terminals (for Special Gas Vents)
Vent Brand
Wall Thimble
Horizontal Terminal
Vertical Terminal
Saf-T Vent®
Saf-T CI Vent®
Z-Vent
(Part of Vent term.)
(Part of Vent term.)
2SVSWTF04
5490CI Horizontal Term.
5490CI Horizontal Term.
2SVSTTF04 Tee
5400 Cap
5400 Cap
2SVSRCF04 Cap
15
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A manual bypass valve should be installed across the
heater when the pump flow exceeds 120 GPM. See
instructions below for setting of the manual bypass.
Make sure that the outlet plumbing from the heater con-
tains no shut-off valves or other flow restrictions that could
prevent flow through the heater (except as noted below).
To switch flow between the pool and spa, use a diverter
valve. Do not use any valve that can shut off the flow.
3-Way
Valve
Chlorinator
Heater
Do not use a shut-off valve to isolate the heater unless it is
below the level of the pool or spa.
Main
Drain
Filter
Install a check valve if there is a possibility of back-siphon-
ing through the heater when the pump is off.
Pool
Spa
Pump
NOTICE: Improper operation of chemical feeders can cause
severe damage to the heater which is not covered by the
warranty. Either equip chemical feeders with an anti-siphon
device to prevent chemicals from siphoning into the heater
if the pump shuts off, or install the chemical feeder down-
stream of the heater (see “Water Chemistry,” Page 17).
3-Way
Valve
3-Way
From Pool
Valve
NOTICE: If the heater is plumbed in backwards, it will
cycle continuously. Make sure piping from filter is not
reversed when installing heater.
FIGURE 16: Typical pool piping layout
WATER PIPING
Connect the heater directly to 2” PVC pipe, using the inte-
gral unions provided. Heat sinks are not required. The low
thermal mass of the heater will prevent overheating of the
piping connected to the heater even if the pump shuts
down unexpectedly.
From Filter Outlet
to Heater
SYSTEM 3™
Modular Media
Filter
Inlet
Warm Water
Out to Pool or Spa
To Pool
To Filter
Inlet
Corrosion Resistant,
Positive Seal
To Spa
Check Valve
Sanitizer
2735 1296
Cool Water
In From Spa
FIGURE 15:
Typical installation
Cool Water
In From Pool
16
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WATER FLOW RATE
Maximum and minimum water flow rates required by the
heater are listed below:
Table 8: Maximum and Minimum
Flow Rate in GPM
Model
200
333
Minimum Flow
Maximum Flow
20
33
40
120
120
120
Cool Water In
400
If the water flow rate to the heater is above 120 GPM, it
must be reduced by installing a manual bypass valve (Figure
17). After installing the valve, adjust the valve to bring the
flow rate within the acceptable range. Then remove the
valve handle or lock it in place to prevent tampering.
Warm Water Out
Occasionally a two-speed pump will not develop enough
pressure on the low speed to operate the heater. In this
case, run the pump at high speed only to operate the
heater. If this does not solve the problem, do not try to run
the heater. Instead, correct the installation.
2680 1096
1. Set Manual
Bypass Valve
2. Remove handle
Do not operate the heater while an automatic pool cleaner
is also operating. If the circulation pump suction is plugged
(for example by leaves), there may not be adequate flow to
the heater. Do not rely on the pressure switch in this case.
Outlet to
Pool
Inlet from
Filter
WATER CHEMISTRY
Water chemistry should follow good swimming pool water
chemistry practices. See Table 9 (below) for water chem-
istry parameters.
FIGURE 17: Manual bypass valve
When using a chlorinator, install it downstream from the
heater and at a lower level than the heater outlet. Install a
corrosion resistant positive seal check valve (see Figure 15)
between the heater and the chlorinator to prevent concen-
trated chemicals from back-siphoning into the heater.
Back-siphoning is most likely to occur when the pump
stops, creating a pressure-suction differential.
Table 9: Water Chemistry Parameters
Disinfectant levels
Free Chlorine, ppm
Combined Chlorine, ppm
Bromine, ppm
Minimum
1.0
Ideal
2.0-4.0
None
4-6
Maximum
10.0
None
2.0
0.2
10.0
Other Sanitizers
Levels not established. Consult local health department before use.
Chemical Values
pH
Total Alklinity (Buffering), ppm
7.2
60
7.4-7.6
80-100
7.8
180
as CaCO
3
Total Dissolved Solids, ppm
Calcium Hardness, ppm, as CaCO
Heavy Metals
N/A
150
None
N/A
200-400
None
1,500 ppm > TDS at startup*
500-1,000
None
3
Biological Values
Algae
Bacteria
None
None
None
None
None
Refer to Local Code
NOTICE: Failure to adhere to the listed water chemistry parameters may result in premature failure of the heat exchanger
and will void the warranty.
*Start-up TDS includes source water TDS and any other inorganic salt added at start-up.
17
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NOTICE: When the heater is mounted more than five feet
above or two feet below the deck level, a Pressure Switch
is no longer adequate. A Flow Switch must be installed
instead.
NOTICE: Heater operation with incorrect Pressure Switch
setting may cause operation with no water flow. Operation
of the heater without sufficient water flow may severely
damage it.
WATER PRESSURE SWITCH
Hazardous pressure. Do not bypass the Water
Pressure Switch or render it inoperable.
Switch Settings
The water pressure switch turns off the burner if the water
flow is interrupted. If the water flow is restricted, the water
pressure switch may prevent the burner from firing and
cause the “Service System” light to go on. If the light
remains on after the filter has been serviced, have a quali-
fied service technician check the system.
Verify proper operation of the water pressure switch at the
start of every season and every six months thereafter by the
following steps:
For deck-level heater installations, the Pressure Switch is
factory set at 3 psi. If the pressure switch is one to two feet
below or one to five feet above the pool water level, reset
the switch so that it is open when the pump is off and
closed when the pump is running. Turn the star-wheel on
1. Lower the thermostat setting to turn off the heater.
2. Wait at least 15 minutes after the burner is off, and
then turn off the filter pump.
3. Turn up the thermostat as though to fire the burner.
4. Wait one minute. The “Service System” light should go
on but the burner should not fire and the blower should
not start. If the blower or burner do start, or if the
“Service System” light does not go on, there is a pres-
sure switch malfunction. Immediately press the OFF but-
ton on the operating control to turn the burner off and
call a qualified service technician to check the system.
the switch clockwise (
the pool) and counterclockwise (
) to raise setting (heater below
) to lower the setting
(heater above the pool - see Figures 18 and 19). Test the
switch after resetting.
Live steam hazard. If the Burner and the
Pump stop at the same time, wait at least 15 minutes
before starting the filter pump to avoid severe damage to
the heater.
PRESSURE RELIEF VALVE
A pressure relief valve is not supplied with the heater.
Some local codes may require installation of a pressure
relief valve. If your local code requires a relief valve, install
a 3/4” pressure relief valve complying with the ANSI/ASME
Boiler and Pressure Vessel Code, having a capacity equal
to the Btu/hr rating of the heater. The relief pressure of the
valve MUST NOT EXCEED 50 PSI.
FIGURE 18: Remove cover for access to Switch
Raise Pressure
A 3/4” NPT connection is provided in the manifold for
installing a pressure relief valve. The relief valve must be
installed vertically. To install the valve, use a 3/4” brass
nipple and elbow, as illustrated in Figure 20. No valve is
allowed to be placed between the manifold adapter and
the relief valve.
Raise pressure set
point if pressure
switch is more
than 2 feet below
water level
2734 1296
Lower Pressure
User
supplied
pipe
fittings
Lower pressure
set point if pressure
switch is more
than 5 feet above
water level
2681 1096
Pipe relief valve discharge
to a drain or other safe
disposal site.
Back of pressure switch
has a reference scale.
FIGURE 20: Relief Valve (Check Local Codes)
FIGURE 19: Pressure Switch Adjustment
18
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To High Side of Differential
Pressure Gauge
To avoid water damage or scalding from operation of the
relief valve, install a drain pipe in the outlet of the pressure
relief valve that will direct water discharging from the
valve to a safe place for disposal. Do not install any reduc-
ing couplings or valves in the drain pipe. The drain pipe
must be installed so as to allow complete drainage from
the valve and drain line. The relief valve should be tested
at least once a year by lifting the valve lever.
O N
OFF
Connection for
Test
VENT
PRE
TAP
To Low Side of Diff.
Pressure Gauge
PILOT
CAUTION
To Air Flow
Switch
Explosion hazard. Any heater installed with
restrictive devices in the piping system downstream from
the heater (including check valves, isolation valves, flow
nozzles, or therapeutic pool valving) must have a relief
valve installed as described above. See Page 16.
O N
N
F
F
OFF
T
N
VE
S
S
RE
P
B
A
NOTICE: The gas
OT
IL
P
piping and unions
are not shown
for clarity; make
this test with all
gas piping
Connection for
Service
connected (as for
normal service).
2788 0397
FIGURE 21: Connect Gas Valve to End Cap Air Orifice
Instructions For Checking the Gas Pressure
Through the Combination Gas Control Valve
Combination Gas Control Valve.
Risk of fire and explosion. Improper
3. Install a 1/8” NPT barbed fitting into the ‘PRESSURE
TAP’ port. Use a flexible tube to connect it to the low
side of a differential pressure gauge or a slope
gauge.
installation, adjustment, alteration, service, or main-
tenance of the Combination Gas Control Valve can
lead to fire or explosion, causing loss of life, per-
sonal injury, or property damage.
NOTICE: If you are using a slope gauge or a differ-
ential pressure gauge of less than 3” capacity, close
the shutoff valve of the gauge to avoid pulling the liq-
uid out of the gauge when the blower starts.
4. Disconnect the tube from the Gas Valve ‘VENT’ port.
Connect it to a tube with a tee running to the high
side of a differential pressure gauge and to the blow-
er’s air orifice grille (See Figure 21, above).
5. Turn on the heater and verify the gas supply pres-
sure (Page 20).
6. After the burner ignites, open the shutoff valve of the
gauge. The pressure gauge should then read 0.2” wc
0.1” wc (0.0” to 0.1” wc = rich mixture; 0.3” to 0.5”
wc = lean mixture). (Since the pressure tap is con-
nected to the low side of the gauge, the pressure is
actually negative.)
These instructions are for the use of qualified
service technicians only!
Do not attempt this procedure unless you have
been trained and certified in the care and repair of
gas-fired appliances!
Do not attempt this procedure if the following
instructions are confusing!
This appliance is equipped with an unconventional gas
control valve that is factory set with a manifold pressure
of –.2” wc. Installation or service must be performed by
a qualified installer, service agency, or the gas supplier.
If this control valve is replaced, it must be replaced with
an identical control.
The combination gas valve incorporates dual shut-off
valves and a negative-pressure regulator. For proper
operation, the regulated pressure at the outlet manifold
of the valve must be 0.2” wc below the reference pres-
sure at the blower mixer inlet, and the gas valve ‘VENT’
tap must be connected to the endcap air orifice as
shown in Figure 21 (above).
Do not attempt to adjust the gas input by adjusting the
regulator setting. The correct gas regulator setting is
required to maintain proper combustion and must not be
altered.
To check that the gas pressure setting is correct,
use the following procedure:
Risk of fire or explosion if
Combination Gas Control Valve is incorrectly
adjusted. If it is necessary to adjust the gas
valve, this must be done only by a qualified
service agency.
7. Turn off the heater.
8. Replace the plastic hose between the ‘VENT’ port
and the inlet of blower mixer. Remove the barbed fit-
ting and replace the plug in the ‘PRESSURE TAP’
port of the gas valve, using a thread sealant
approved for use with natural gas and LPG.
9. Replace the heater covers and cycle the heater to
check for proper operation.
1. Turn off the heater and remove the top covers for
access to the Combination Gas Control Valve.
2. Use a 3/16” hex key to remove the plug from the
‘PRESSURE TAP’ port on the outlet side of the
19
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GAS CONNECTIONS
PRESSURE TESTING
The heater requires a gas supply of not less than 4” wc and
not more than 14” wc. Gas supply pressures outside of this
range may result in improper burner operation. A minimum
inlet pressure of 4” wc is required to maintain input rating.
The gas supply must be installed in accordance with the
National Fuel Gas Code, ANSI Z223.1, and all applicable
local codes. Install a manual shut-off valve and a sediment
trap and union located outside the heater jacket (Figure
22). Do not use a restrictive gas cock.
The following gas pipe sizes are recommended for natural
gas supply piping. For low pressure LP gas, pipe size may
be reduced by 1/4”, with a minimum pipe size of 3/4”.
Check for compliance with local codes.
Before operating the heater, the heater and its gas connec-
tions must be leak tested. Test all gas connections for leaks
with soapy water.
Risk of fire or explosion. Do not use an open
flame to test for leaks.
The heater and its individual shutoff valve must be discon-
nected from the gas supply piping system during any pres-
sure testing of that system at test pressures in excess of 1/2
psig (3.5 kPa).
The heater must be isolated from the gas supply system by
closing its individual manual shutoff valve during any pres-
sure testing of the gas supply at test pressures equal to or
less than 1/2 psig (3.5 kPa).
NOTICE: DO NOT use a corrugated flexible gas line to
supply heater. It will not deliver enough gas (at nominal
diameter) to supply heater.
SUPPLYING POWER TO THE HEATER
The heater requires a 120V/60Hz/1Ph power supply.
Enclose the 120 Volt line to the heater in an approved flex-
ible conduit connected directly to the junction box on the
inside of the heater jacket.
Table 10
Recommended Pipe Size For Natural Gas
Line voltage field wiring should be 14 gauge, with a circuit
capacity of 15 amps.
1,000 BTU/ft3, 0.6 Sp Gr, 0.5” wc Pressure Drop
Model
0-25’
26-50’ 51-100’ 101-200’ 201-300’
ELECTRICAL WIRING
1. All wiring must be in accordance with all applicable
codes.
200
333
400
3/4”
1”
1”
1”
1”
1-1/4”
1-1/2”
1-1/2”
1-1/4”
1-1/2”
2”
1-1/4”
1-1/4”
1-1/4”
1-1/4”
2. The heater, when installed, must be electrically
grounded and bonded in accordance with local codes
or, in the absence of local codes, with the National
Electrical Code, ANSI/NFPA 70. A bonding lug is pro-
vided on the outside of the jacket under the vent for
this purpose.
3. Electrical power circuits to the pool heater must follow
local codes and National Electrical Code or Canadian
Electrical Code (as applicable).
Manual
Shut-off
Valve
4. All wiring between the heater and devices not attached
to it, or between separate devices which are field
installed and located, shall conform to the specifica-
tions of Type T wire (35°C rise).
At least 4"
Union
5. All line voltage wiring shall be enclosed in approved
flexible conduit, and shall be securely attached to the
field wiring box located inside the jacket. The conduit
or cable connector at the field wiring box should con-
tain an insulating bushing or its equivalent to prevent
abrasion of the wires as they enter the box.
Sediment
Trap
FIGURE 22: Gas line and Trap
6. The filter pump should run continuously when the
heater is on, and for at least 15 minutes after the
heater is off. Any switches in the pump circuit (includ-
ing circuit breakers) that can disconnect the pump
must also disconnect the heater.
7. Do not wire single pole switches, including protective
devices, into a grounded line. Observe hot/neutral
polarity when connecting power to the heater.
20
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Connect the hot lead of the power supply to the black
wire, the neutral lead to the white wire, and the ground
wire to the green wire (See Figure 23).
A time clock controlling the filter pump should have a low-
voltage Fireman’s Switch that switches off the heater at
least 15 minutes before shutting off the pump.
NOTICE: When using a timer and Fireman’s Switch, the
heater’s power supply should come from the load side of
the timer. The Fireman’s Switch completes the circuit for
the low voltage safety switches. It DOES NOT get any
power from the 115 volt power supply.
Connect the Fireman’s switch to the heater as follows:
1. Turn off power to heater at main circuit breaker panel.
2. Unbolt and remove the upper jacket halves (see Figure
3, Page 5).
3. Open control box cover (see Figure 24).
4. Remove the factory-installed jumper between the
Fireman’s Switch terminals (see Figure 25).
5. Connect the wires between the Fireman’s Switch termi-
nals on the heater and those on the time clock using
18 gauge wire with a minimum 3/64” thick insulation
rated for a temperature rise of at least 105°C. Route the
wires out through the knockout on the bottom of the
Control Box. Use a 90° conduit el and conduit run out
through the cutout on the Lower Enclosure, next to the
Junction Box (see Figure 23).
White to White
Green (Ground)
to
Green (Ground)
Black to
Black
Cutout for
Conduit from
Fireman's Switch
Bonding
Wire
Bonding Lug
Bonding Wire
Wiring Harness
to Control Box
View From Above
(Interior)
View From Below
(Exterior)
Wire into bottom
of Junction-box
in Flexible Conduit
BK
TRANS
FIGURE 23: Field Wiring
Y
Y
FIREMAN’S SWITCH CONNECTION
NOTICE: If, while there is 120VAC connected to the
heater, you touch either 120VAC terminal with any 24VAC
wire that is connected to the control board (including the
Fireman’s Switch jumper), you will immediately destroy the
control board and void the warranty.
OPERATING CONTROL
MEMBRANE PAD
CONNECTION
BK
JMP3
ENABLE TOGGLE
1
DISABLE TOGGLE
VERSION 1 PAD
SPA CONTROL
CONTROL CENTER
W
Y
Y
O N
N
TERMINAL BOARD
W
TRANS
TRANS
L1
F
I
TRANS
S
W
I
T
C
H
R
E
M
A
N
S
W
L2
FL
W
BM
F1
Time Clock or Remote
(Purchase Separately –
Supplies Power to
NEUTRAL
Circulator Pump)
GND
JUNCTION BOX
Fireman's Switch
Completes the heater
24 Volt AC Control
Board Circuit.
DO NOT connect this
circuit to 115 Volt AC!
24VAC
3
FIGURE 24: Open Control Box Cover
FIGURE 25: Fireman’s Switch Connections
21
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6. Reinstall and bolt up the jacket halves.
The fuse for the Fireman’s Switch is 1.25 amp 1-1/4x1/4”
fast blow fuse, available locally.
MAXIMUM TEMPERATURE SET POINT
1. Unbolt and remove upper jacket halves (see Figure 3,
Page 5).
2. Depress clips and remove control board assembly
dome (see Figure 9, Page 10).
3. Push the Max. Temp. Set Point button on the back of
the control board (see Figure 26). The following
sequence should happen:
SET
MAX
S1
SET
MAX
S1
FIGURE 26: Max Temperature Set Point Controls
A. The unit will come on and the POOL ON light will
come on.
B. Press the ▼Temp or ▲Temp pad (on TOP of the
panel) to set maximum pool temperature.
C. Wait 30 seconds; the POOL ON light will go off and
the SPA ON light will come on.
D.Press the ▼Temp or ▲Temp pad (on TOP of the
panel) to set maximum spa temperature (set temper-
ature to 104° F or less).
E. Wait 30 seconds; the SPA ON light will go off and
the unit will shut down.
4. Reinstall and bolt up the jacket halves.
22
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Initial Troubleshooting
Only qualified, trained service technicians with appropriate test equipment should service the heater. Remember
that all parts of the system affect heater operation. Before starting this troubleshooting procedure, make sure that
the pump is running correctly, that there are no blockages in the system, that the valves are correctly set and that
the time clock is correctly set and is running.
Start here for directions to specific Troubleshooting Chart
Go to chart “HEATER WILL
NOT FIRE - A”
(Page 24)
NO
Is green “POOL” or “SPA”
LED “on”?
YES
Go to chart “HEATER WILL
NOT FIRE - B”
(Page 25)
YES
Is red “SERVICE SYSTEM”
LED “on”?
NO
Are any red diagnos-
tic LED’s on back of
board (AGS, AFS,
SFS, HLS, PS or
Go to specific safety switch
troubleshooting chart
(Pages 28 and 29)
YES
YES
Is red “SERVICE HEATER”
LED “on”?
THERMISTOR) “on”
NO
NO
Turn off 120 VAC power to
heater for about 5 seconds,
and turn back on. Make sure
temperature setting is above
water temperature. Wait one
minute.
YES
NO
Do any diagnostic LED’s on
back of board (AGS, AFS,
SFS, HLS, PS, or
THERMISTOR) come “on”
and stay on?
YES
Does red “SERVICE
HEATER” LED come
“on”
Go to chart ‘HEATER WILL
NOT FIRE -C”
(Page 26)
NOTICE: Any or all of the diag-
nostic LED’s may come “on”
momentarily when you turn on
the power to the heater.
NO
Verify that water temperature setting is
above water temperature reading. If it is,
and heater either will not fire or no red
LED’s come “on”, replace Control Board.
Hazardous voltage. Can shock, burn
or kill. Disconnect power before servicing any
Fire and Explosion hazard. Do not
jumper switch terminals to remedy a failed safety
switch.
components.
23
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Heater Will Not Fire - A
Start
Depress “POOL” or “SPA” ON
Heater should fire on demand
for heat.
NO
YES
Is green “SPA” or
“POOL” LED “on”
button on Membrane Pad.
Does “POOL” or “SPA” LED
come on?
Restore power to heater.
NO
YES
NO
Check for 120 VAC power to
heater.
Check wiring connections
between power supply to
Junction Box and between
Junction Box to Terminal
Board and restore continuity.
YES
YES
Check for 24 VAC at sec-
ondary of Transformer.
NO
Check for 120 VAC between
“HOT” and “NEUTRAL” termi-
nals on Terminal Board.
NO
NO
Check wiring connections
between Terminal Board and
Transformer primary and
restore continuity.
YES
Check for 120 VAC at primary
to Transformer.
YES
Replace Transformer.
Jumper Fireman’s Switch at
Terminal Board and depress
“POOL” or “SPA” ON button on
membrane pad. Does “SPA” or
“POOL” LED come “on”?
Check Fireman’s Switch circuit
connections (time clock, wiring,
external controller relay).
YES
NO
Remove jumper. Check wiring
between Transformer and J7
terminals on Control Board
and between J7 and Fireman’s
Switch on Terminal Board,
check fuse, and restore
continuity.
Leaving jumper in place,
check for 24 VAC between
Fireman’s Switch terminals
and ground.
NO
YES
Remove jumper. Check rib-
bon cable connection
between Membrane Pad and
J6 on Control Board. Depress
“POOL” or “SPA” On pad
again. Does “POOL” or “SPA”
LED come on?
YES
Heater should fire on demand
for heat.
Replace Membrane Pad.
Replace Control Board.
NO
YES
NO
Jumper pins 9 and 8 on J6 of
Control Board. Does “SPA”
LED come on?
Jumper pins 9 and 7 on J6 of
Control Board. Does “POOL”
LED come on?
GO TO
“HEATER WILL NOT FIRE - B”
Page 25
24
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Heater Will Not Fire - B
Start
Increase POOL/SPA tempera-
ture setting on Membrane
Pad above actual water tem-
perature. Heater should fire
on demand for heat. If not,
and no other red LED’s light,
replace Control Board.
NO
NO
Is red “SERVICE
HEATER” LED “on”
Is red “SERVICE SYSTEM”
LED on?
YES
YES
Verify that pump is on, filter is
not blocked, and the water
flow is above the minimum
requirement.
NO
YES
Service pump/filter and elimi-
nate other flow obstructions.
With pump running, adjust
Water Pressure Switch to
lower pressure until ‘SER-
VICE SYSTEM” LED goes
out. Then verify that “SER-
VICE SYSTEM” LED goes on
with pump off.
YES
Heater should fire on call for
heat. Re-verify that water
flow is above minimum
requirement.
NO
Minimum Flow Requirements
Check that water pressure is
within the adjustment range of
the Pressure Switch (0-5 psig)
NO
Model
Flow
200
333
400
20 GPM
30 GPM
40 GPM
YES
Verify that switch wiring is OK
and sensing tube is not
blocked, and replace water
Pressure Switch.
CONTINUE
If water pressure is outside of
adjustment range that will
open switch with pump off
and close switch with pump
on, replace with flow switch
set above minimum flow
requirement.
Minimum Flow Requirements
Model
Flow
200
333
400
20 GPM
30 GPM
40 GPM
Check whether any of the
red diagnostic LED’s on back
of board (AGS, AFS, SFS,
HLS or PS) are “on”
YES
Go to “Diagnostic LED’s”,
(Pages 28 and 29)
NO
GO TO
“HEATER WILL NOT FIRE - C”
Page 26
25
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Heater Will Not Fire - C
Start
NO
Is “SERVICE HEATER” LED
“on”?
Go to “INITIAL
TROUBLESHOOTING”
Turn off 120 VAC
power to heater for 5
seconds, and turn
back on.
Make sure tempera-
ture setting is above
water temperature.
Wait one minute.
YES
Continue to observe heater
for several minutes. Cycle
heater on and off several
times. Observe for delayed or
rough ignition, poor combus-
tion, premature extinction of
flame, evidence of boiling, or
operation of any diagnostic
LED. Go to pertinent trou-
bleshooting section if any
malfunction is observed.
If any red diagnostic LED’s
NO
YES
(AGS, AFS, SFS, HLS, PS, or
THERMISTOR) come “on”, go
to Pages 28 and 29.
Does heater fire and
stay on?
CONTINUE
NO
NO
NO
Did burner fire at all?
Did Blower come on?
Replace Control Board.
YES
YES
Verify that gas supply is open
all the way to Gas Valve, and
Gas Valve knob is at “on”
position.
Check for 24 VAC to Gas
Valve terminals during ignition
try. (Voltage appears about 24
seconds after call for heat).
SEE NOTE 1.
Verify that gas is flow-
ing to burner during
ignition try. Observe
gas meter for move-
ment during ignition
try (wait for about 30
seconds after calling
for heat).
Go to “BURNER
TROUBLESHOOTING”
(Page 30)
NO
YES
Go to “HEATER WILL NOT
FIRE-D” (Page 27)
YES
Check for 24 VAC
between TH and GND
terminals on Ignition
Control Module.
Replace Ignition Control
Module.
YES
Replace Gas Valve with
identical part.
NO
SEE NOTE 2.
Check for 24 VAC between
VAL and GND terminals on
Ignition Control Module.
SEE NOTE 1.
Fix wiring between TH and
GND terminals of Ignition
Control Module and Control
Board.
NO
YES
Check for 24 VAC
between TH and GND
terminals on Control
Board. SEE NOTE 2.
YES
NO
Check for 24 VAC between
VAL and GND terminals on
Control Board. SEE NOTE 1.
YES
Replace Control Board.
Check for 24 VAC
between GAS termi-
nals on Control
NO
Fix wiring between GAS ter-
minals on Control Board and
Gas Valve.
YES
Fix wiring between VAL and
GND terminals of Ignition
Control Module and Control
Board.
Board. SEE NOTE 1.
NO
NOTE 1: Voltage appears about 24
seconds after call for heat, and may
be on for only about 7 seconds.
Replace Control
Board.
NOTE 2: Voltage appears immedi-
ately after call for heat, and may be
on for only about 30 seconds.
26
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Heater Will Not Fire - D
Start
Gas flows during igni-
tion try, but burner
does not fire.
Go back to chart “HEATER
WILL NOT FIRE-C”
(Page 26).
NO
YES
YES
YES
Check for 120 VAC at
Igniter leads during
ignition try.
YES
Check gas pressure? OK?
Replace HSI Igniter.
NO
NO
Replace gas line with larger
line or replace regulator.
Check for 120 VAC
between S1 and S2
terminals on Ignition
Control Module during
ignition try.
Fix wiring between S1 and S2
terminals on Ignition Control
Module and HSI Igniter.
NO
Check for 120 VAC
between L1 and L2
terminals on Ignition
Control Module.
Fix wiring between L1 and L2
terminals on Ignition Control
Module and Terminal Board.
NO
YES
Replace Ignition
Control Module.
27
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Diagnostic LED’s: AGS, AFS, HLS, PS, THERMISTOR
Verify that water flow rate is
above minimum required for
heater.
Service pump and filter to
restore proper flow. After ser-
vicing, verify proper operation
of Pressure Switch (PS).
NO
AGS or HLS “on”
Replace High Limit
Switch (HLS) or
Automatic Gas
Shutoff (AGS)
YES
YES
Verify that inlet water temper-
ature is below 104° F.
NO
Replace thermistor or Control
Board to correct overheating.
CONTINUE
If problem persists, verify proper operation of Internal Bypass Valve
and Thermal Governor, and check for Heat Exchanger blockage.
Service pump and filter to
restore proper flow.
Verify that water flow rate is
PS “on”
NO
above minimum required for
heater.
CONTINUE
Verify that wiring is
YES
OK and pressure tap
is not blocked. Re-
CONTINUE
Adjust Water Pressure Switch to close with pump running and open with
pump off.
place Pressure Switch
Verify that there is no block-
age in Blower intake, Heat
Exchanger, and exhaust and
that exhaust is not too long
(see “Indoor Vent Installation”,
Page 15.
YES
Does Blower operate?
AFS “on”
NO
YES
YES
Check for 120 VAC at Blower
connector on ignition try.
Replace Blower.
NO
Verify correct connection of
wiring and that pressure taps
to AFS are OK.
Verify that wires BM
and F1 are correctly
connected at the
terminal strip (see
Heater Connection
Diagram, Page 36).
Check for 24 VAC between
24 VAC and GND terminals
on Ignition Control Module on
ignition try. Check that IND
wire is correctly connected.
Verify that vinyl tubing to AFS
and Blower is not misrouted,
kinked, disconnected, or
punctured.
NO
NO
Replace Air Flow Switch
(AFS).
Verify correct connection of
wiring between 24 VAC and
IND terminals on Ignition
Control Module and Control
Board, and replace Control
Board.
If problem persists, replace
Blower.
YES
Connect correctly and retry.
Does Blower start?
Disconnect wires F1
and F2 from Ignition
Control Module and
short them together.
Does Blower come
on?
NO
YES
Replace Blower. Does Blower
Start?
NO
NO
Replace Ignition Control
Module.
YES
Verify Thermistor wiring. If
OK, replace Thermistor.
THERMISTOR “on”
Do not jumper a safety switch to
remedy a failed switch.
NOTE: ES1 is a spare and should be jumpered.
28
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Diagnostic LED’s: SFS
Replace Heater Membrane
Pad Assembly, reset power to
Heater and retry. Heater
should fire.
SFS “on”
A) Is the Stack Flue
Switch or Sensor
NO
correctly connected to
Replace Heater Control Board
with new style board, reset
power to Heater and retry.
Heater should fire.
the wiring harness?
B) Is the Membrane Pad
connected to the
NO
NO
Reconnect correctly.
correct pins on the
Control Board?
(See Page 36)
NO
DONE
Change Low Level Board
Programming to “SF1” (See
Page 4-11 in S5066, “Sta-Rite
Pool/Spa Heater Training and
Service Manual”). Were you
able to change the device
code (SF0 to SF1)?
YES
Check the J3 and J6
connectors for corrosion
on the male pins.
NO
Reset power to Heater and
retry. Heater should fire.
Corrosion found?
YES
Clean pins
YES
Replace Stack Flue Sensor.
Reset power to Heater and
retry. Heater should fire.
DONE
YES
Reset power to Heater
and retry. Heater should
fire.
Does the Digital Temerature
Display show Error Code
“E05” or “E06”?
NO
NO
Check Heat Exchange Coil
for liming or low flow.
NO
Verify whether you have a
Stack Flue Sensor or a
Stack Flue Switch
SENSOR
(See Page 4-11 in S5066,
“Sta-Rite Pool/Spa Heater
Training and Service
Manual”).
Reset power to Heater and
retry. Heater should fire.
SWITCH
Change Low Level Board
Programming to “SF0” (See
Page 4-11 in S5066, “Sta-Rite
Pool/Spa Heater Training and
Service Manual”). Were you
able to change the device
code (SF1 to SF0)?
YES
Does the Digital
Temerature Display
show Error Code “E05” or
“E06”?
YES
YES
YES
NO
Did Error Code (E05 or E06)
disappear after change?
NO
NO
Replace Heater Control
Board, reset power to Heater
and retry. Heater should fire.
Reset power to Heater
and retry. Heater should
fire.
Check Heat Exchanger Coil
for liming or low flow.
NO
NO
Replace Heater Membrane
Pad Assembly, reset power to
Heater and retry. Heater
should fire.
Replace switch, reset
power to Heater and retry.
29
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Burner Troubleshooting
SYMPTOM
CAUSE
REMEDY
Loud, high-pitched whine
Flame is too rich.
Verify pressure tap between gas valve
and blower inlet.
Turn to Page 19 and verify that the gas
regulator setting is 0.2”wc below the
blower inlet pressure.
Replace gas orifice with smaller size.
Flame is “fluttery.”
Exhaust may have acrid
smell or burner may fail
to stay lit.
Flame is too lean.
Turn to Page 19 and verify that the gas
regulator setting is 0.2”wc below the
blower inlet pressure.
Replace gas orifice with larger size.
Burner pulsates or
surges, especially on
ignition.
Exhaust vent is too long.
Reduce length of exhaust vent and/or
number of elbows.
Combustion appears
normal, but flame does
not stay lit.
Flame current is not
being sensed.
Check for wet or damaged igniter with
low resistance to ground. Replace with
new igniter.
Verify burner flameholder is properly
grounded.
Replace Ignition Control Module.
Heat Exchanger Troubleshooting
SYMPTOM
CAUSE
REMEDY
Boiling in heat exchanger.
Low water flow to heater.
Service pump and or filter.
May be accompanied by
“bumping” sounds.
Heat exchanger plugged.
Service heat exchanger. Correct water
chemistry.
Bypass valve stuck open.
Service bypass valve.
Thermal governor stuck
closed.
Replace thermal governor.
Sweating.
Thermal governor failed.
Replace thermal governor.
30
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1
For complete
Electrical System
parts breakdown
2
(Key Nos. 1 through 4),
See Page 35
3
5
O N
N
F
OFF
F
6
PILO
9
For compete
Burner System
parts breakdown
(Key Nos. 5 through 9),
See Pages 32 and 33
7
4
12
8
11
4
10
For complete
Water System
parts breakdown
2737 0197
(Key Nos. 10 through 13),
see Page 34
Repair Parts are available from your Sta-Rite dealer.
If your dealer cannot supply you, call Sta-Rite Customer Service at 1-800-752-0183.
31
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5
1
2
2
3
4
O
N
FF
O
T
N
E
V
S
S
E
R
For Heater mounting
bolts and clamps,
P
A
T
T
O
IL
P
purchase separately
Bolt Down Bracket Kit,
Part No. 42001-0085S.
9
10
8
11
7
6
12
13
26
14
25
24
15
23
22
21
20
19
18
17
16
2692 1196
32
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REPAIR PARTS – BURNER SYSTEM
Model
Key
No.
SR200NA
SR200LP
SR333NA
SR333LP
SR400NA
SR400LP
Part Description
Qty
1
2
•
3
4
•
3
4
•
3
4
•
•
•
3
4
•
Combination Gas Control Valve Kit
3/4” Union
Gas Orifice Kit – NG (Incl. Key Nos. 3 and 4)†
Gas Orifice – NG*
Gas Orifice O-Ring
Gas Orifice Kit – LPG (Incl. Key Nos. 3 and 4)†
Gas Orifice – LPG*
Gas Orifice O-Ring
NG to LPG Conversion Kit (Incl. Key Nos. 3 and 4)†
Gas Orifice – NG*
1
2
42001-0051S
38404-4097S
77707-0331
42001-0331
U9-370
77707-0361
42001-0361
U9-370
42001-0051S
38404-4097S
77707-0321
42001-0321
U9-370
7707-0351
42001-0351
U9-370
42001-0051S
38404-4097S
77707-0311
42001-0311
U9-370
77707-0341
42001-0341
U9-370
1
1
1
1
77707-1361
42001-0361
U9-370
77707-1351
42001-0351
U9-370
77707-1341
42001-0341
U9-370
1
1
1
1
Gas Orifice O-Ring
Conversion Instructions, NG to LPG*
NP to LPG Conversion Decal*
LPG to NG Conversion Kit (Incl. Key Nos. 3 and 4)†
Gas Orifice – LPG*
S402
S402
S402
32165-4082
77707-1331
42001-0331
U9-370
32165-4082
77707-1321
42001-0321
U9-370
32165-4082
77707-1311
42001-0311
U9-370
1
1
1
1
1
1
1
1
Gas Orifice O-Ring
Conversion Instructions, LPG to NG*
LPG to NG Conversion Decal*
Gas Piping Clamp Kit
Air Blower Kit
Endcap/Air Orifice – Inlet Mixing Tube
Endcap Mixing Tube Grill
Blower/Adapter Plate Gasket Kit
(Includes Key Nos. 9, 11, 13)
Blower/Adapter Plate Gasket*
Blower Adapter Plate
Flameholder Kit (Includes Key Nos. 11, 12, 13, 14
and Flameholder Insert)
S403
S403
S403
•
32165-4083
31786-4019S
42001-0206S
77707-0091
42001-0094S
32165-4083
31786-4019S
42001-0206S
77707-0092
42001-0094S
32165-4083
31786-4019S
42001-0206S
77707-0093
42001-0094S
5
6
7
8
•
1
1
1
77707-0011
42001-0067
42001-0090
77707-0011
42001-0067
42001-0090
77707-0011
42001-0067
42001-0090
9
10
•
77707-0202
42001-0084
42001-0202
42001-0065
42001-0075
–
42001-0031
77707-0002
42001-0001S
33457-1051S
77707-3200N
77707-3200L
77707-0007
U43-62SS
77707-0203
42001-0084
42001-0203
42001-0065
42001-0075
42001-0027
42001-0031
77707-0002
42001-0001S
33457-1051S
77707-3333N
77707-3333L
77707-0007
U43-62SS
77707-0204
42001-0084
42001-0204
42001-0065
42001-0075
42001-0027
42001-0031
77707-0002
42001-0001S
33457-1051S
77707-3400N
77707-3400L
77707-0007
U43-62SS
11
12
13
14
•
Flameholder/Adapter Plate Gasket*
Flameholder Assembly*
Flameholder/Combustion Chamber Gasket
Flameholder Insulation Cap
Flameholder Insert*
1
1
1
1
1
1
•
Condensate Evaporator
Upper RH Heater Enclosure Kit**
Lower Enclosure
15
16
•
17
17
18
19
20
21
•
1
1
1
1
1
4
4
4
Upper Enclosure Gasket
Upper LH Heater Enclosure Kit-NG
Upper LH Heater Enclosure Kit-LPG
Upper Enclosure Fastener Kit
3/8” Flat Washer
3/8” Lock Washer
3/8” Hex Nut
Insulation Kit (Includes Key Nos. 22, 23, 24, 25
and Condensate Evaporator, Page 34)
1/2” Insulation Blanket*
U43-12SS
U36-38SSW
U43-12SS
U36-38SSW
U43-12SS
U36-38SSW
1
1#
1
1
1
1
1
1
1
77707-0008
42001-0073
42001-0072
42001-0070
42001-0071
42001-0074S
42002-0005S
42001-0209S
42001-0214S
77707-0008
42001-0073
42001-0072
42001-0070
42001-0071
42001-0074S
42002-0005S
42001-0209S
42001-0214S
77707-0008
42001-0073
42001-0072
42001-0070
42001-0071
42001-0074S
42002-0005S
42001-0209S
42001-0214S
22
23
24
25
•
26
•
•
1” Insulation*
1” Top Insulation*
1/2” Insulation Blanket*
Lower Enclosure Insulation
Metal Vent Cover
Metal Exhaust Elbow Kit
One-Piece Metal Elbow/Cover Assembly
*
Not available separately.
** Kit parts not available separately.
•
†
#
Not illustrated.
Not included with heater. Order separately.
Model SR200 uses 2.
33
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2
3
4
5
6
7
8
9
10
11
12
13
14
17
15
16
18
20
19
2691 1196
REPAIR PARTS – WATER SYSTEM
Model
Key
No.
SR200NA
SR200LP
SR333NA
SR333LP
SR400NA
SR400LP
Part Description
Tube Sheet Coil Assembly Kit
Qty
1
77707-0232
77707-0233
77707-0234
(Includes Key No. 2)
2
3
4
•
5
6
7
8
9
Coil/Tubesheet Sealing O-Ring Kit
Manifold Bottom Plate
Manifold O-Ring*
O-Ring Kit (Incl. Key Nos. 2, 4)
Manifold Insert*
Manifold Baffle Plate*
Manifold Bypass Valve Kit
Water Pressure Switch
Manifold Body with Safeties (Incl. Key Nos. 10, 11)
Manifold Body Only (Incl. O-Ring Kit)
5/16 Flat Washer
5/16-18x2-3/4” Hex Capscrew
Connector Tube O-Ring
Connector Tube Kit (Includes O-Ring)
Thermal Regulator Kit
( )
1
1
1
1
1
1
1
1
77707-0117(6)
42002-0015
35505-7437
77707-0120
42002-0018
42002-0013
77707-0001
42001-0060S
77707-0205
77707-0206
U43-41SS
77707-0118(10)
42002-0016
35505-7437
77707-0120
42002-0019
42002-0014
77707-0001
42001-0060S
77707-0205
77707-0206
U43-41SS
77707-0119(12)
42002-0017
35505-7437
77707-0120
42002-0020
42002-0022
77707-0001
42001-0060S
77707-0205
77707-0206
U43-41SS
9
1
10
11
12
13
14
10
10
2
37007-0214
U9-226
77707-0017
37007-0214
U9-226
77707-0017
37007-0214
U9-226
77707-0017
2
(Incl. Key Nos. 15, 16, 17, 18 and Spring Clip)
Thermal Regulator (Includes Spring Clip)
Thermal Regulator Spring*
Thermal Regulator Cap O-Ring
Thermal Regulator Spring Clip*
Thermal Regulator Cap*
1
1
1
1
1
1
1
1
77707-0010
38000-0007S
37607-0011
35505-1313
42001-0097
42001-0016
U178-920P
42001-0031
77707-0010
38000-0007S
37607-0011
35505-1313
42001-0097
42001-0016
U178-920P
42001-0031
77707-0010
38000-0007S
37607-0011
35505-1313
42001-0097
42001-0016
U178-920P
42001-0031
15
16
17
•
18
19
20
Drain Plug
Condensate Evaporator*
*
•
Not available separately.
Not illustrated.
34
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1
2
19
3
4
18
20
17
5
16
13
14
15
6
7
11
10
12
6
9
8
REPAIR PARTS – ELECTRICAL SYSTEM
Model
Key
No.
SR200NA
SR200LP
SR333NA
SR333LP
SR400NA
SR400LP
Part Description
Qty
•
1
•
2
3
•
4
5
6
Display Cover Retainer Cap Kit (Incl. Key No. 1)*
Display Cover Retainer Cap
CPSC Warning Label
Heater Display Cover
Igniter Bracket
Igniter/Igniter Gasket Kit (Incl. Key Nos. 4 and 5)
Igniter**
77707-0009
42001-0009
32165-4084
42001-0008S
42001-0030S
77707-0054
42001-0054
42001-0066S
42001-0007S
42002-0025S
WC78-38AT
42001-0063S
42001-0053S
42001-0056S
32850-0099
42001-0052S
42001-0057S
42001-0059S
42001-0096S
37337-0092
42001-0058S
77707-0022
42001-0022
32165-4081
77707-0004
77707-0009
42001-0009
32165-4084
42001-0008S
42001-0030S
77707-0054
42001-0054
42001-0066S
42001-0007S
42002-0025S
WC78-38AT
42001-0063S
42001-0053S
42001-0056S
32850-0099
42001-0052S
42001-0057S
42001-0059S
42001-0096S
37337-0092
42001-0058S
77707-0022
42001-0022
32165-4081
77707-0004
77707-0009
42001-0009
32165-4084
42001-0008S
42001-0030S
77707-0054
42001-0054
42001-0066S
42001-0007S
42002-0025S
WC78-38AT
42001-0063S
42001-0053S
42001-0056S
32850-0099
42001-0052S
42001-0057S
42001-0059S
42001-0096S
37337-0092
42001-0058S
77707-0022
42001-0022
32165-4081
77707-0004
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
4
1
Igniter Gasket
Manifold Switch Cover
Automatic Gas Shutoff Switch (AGS)
3/4” Hex Head Pipe Plug
High Limit Switch
Thermistor
Terminal Board
Fireman’s Switch Fuse (1.25A, 1-1/4”)
Ignition Control Module
Transformer
Air Flow Switch
Control Board Kit
7
8
9
10
11
12
13
14
15
16
•
•
•
17
•
•
#6-19x5/16” Phil Pan
Heater Wiring Harness
Junction Box Cover Kit (Incl. Key No. 17)*
Junction Box Cover
Junction Box Wiring Decal
Control Bd Encl/Membrane Panel Kit
(Incl. Key Nos. 18 and 19)*
Control Board Enclosure
Membrane Pad**
1
1
18
19
20
1
1
1
42001-0004
42001-0055
42002-0024S
42001-0004
42001-0055
42002-0024S
42001-0004
42001-0055
42002-0024S
Stack Flue Sensor
*
**
Kit parts not available separately.
Not available separately.
***
•
Available separately.
Not illustrated.
35
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Pool Heater Wiring Connection Diagram
CONNECTION DIAGRAM
Y/R
AGS Switch
Air Flow Switch
Y/BL
Stack Flue Sensor
Extra Switch 1
Y/O
Y/W
Gas Valve
Hi-Limit Switch
Y
Pressure Switch
Y
Y
Y
Y
O
O
BL
O
BL
W
O
W
BR
BR
PR
PR
Y/W
Y
R
R
PS
HLS
ES1
J6
Y
Y
Y
Y
OPERATING CONTROL
AFS
MEMBRANE PAD
CONNECTION
AGS
SFS
GAS
JMP3
VERSION 1 PAD
SPA CONTROL
1
CONTROL CENTER
External Control Interface Circuit
Disabled, Heater Membrane Pad
Enabled
Spa Line
Common Line
Pool Line
External Control Interface
BK
BK
Y
JMP3
1
24
VAC
F1 F2
DIAGNOSTIC INDICATOR
IGNITION CONTROL
MODULE
JMP3
Y
Y
24VAC
SEC
FC1 S1/
FC2 120
VAL GND
L1 L2 S2 TH IND
1
External Control Interface
Circuit Enabled, "Pool On"
and "Spa On" Keys Disabled.
"OFF" Key on Membrane
Pad Remains Functional.
PRIM
Y/W
120VAC
GY
GY
Y/O
Y/BL
W
BK
Y/R
120VAC
IGNITER
BLOWER
120VAC
Y/W
GND
TRANS
L2
TRANS
L1
F
I
S
W
I
T
C
H
MOT
R
E
M
A
N
S
BK
FL
BK
BM
F1
G
J6
GND
W
W
Y
W
W
GND
JUNCTION BOX
GROUND (GND)
G
BK
W
120VAC (HOT)
If cable from Membrane Pad
is a 6-Conductor Cable, connect
it to pins 4 - 9 on Operating
Control Board as shown.
NEUTRAL (NEU)
NOTICE: If, while there is 120VAC connected to the heater, you touch
either 120VAC terminal with any 24VAC wire that is connected to the
control board (including the Fireman's Switch jumper), you will
immediately destroy the control board and void the warranty.
Replace jumper with leads to
Fireman's Switch (field installed)
3661 0200
36
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Pool Heater Electrical Schematic Ladder Diagram
LADDER DIAGRAM
HOT
120 VAC
IGNITER
NEUTRAL
L1
F1
S1
F2
S2
L2
BLOWER
GND
120 VAC
CLASS II
TRANSFORMER
24 VAC
OPERATING
CONTROL
24 VAC
24 VAC
GND
AIR
FLOW
SWITCH
LOGIC
24V
TH
HI
LIMIT
SWITCH
WATER
PRESSURE
SWITCH
IND
COM NO
AGS
SWITCH
VAL
GAS VALVE
STACK FLUE
SENSOR
THERMISTOR
SENSOR
NOTES:
1.)
L1
L2
F1 F2
IND
S1
24 VAC
S2
GND
VAL AND TH
ARE CONNECTED ON THE IGNITION MODULE.
2. )
3. )
PIN AND SOCKET CONNECTOR.
IF ANY OF THE ORIGINAL WIRES AS SUPPLIED
WITH THE APPLIANCE MUST BE REPLACED,
THEY MUST BE REPLACED WITH TYPE 105°C
OR ITS EQUIVALENT.
37
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STA-RITE LIMITED WARRANTY
Pumps, filters, skimmers, underwater lights (except bulbs),
* Full warranty coverage is in effect for one year after instal-
lation.The pro-rated warranty covers the tank only during
the 2nd through 10th year after installation.The amount cov-
ered decreases by 10% each year.(ie.,2nd year 90% covered,
3rd year 80% covered, etc.).
accessories and fittings manufactured by Sta-Rite are war-
ranted to be free of defects in material and workmanship
for one (1) year from date of installation.
Year from date
Product specific warranties:
of installation
The foregoing warranties relate to the original consumer
purchaser (“Purchaser”) only. Sta-Rite shall have the option
to repair or replace the defective product, at its sole discre-
HRPB, DEPB, System 3, and PL – Tanks . . . . . . .10 years
Internal filter components and valves . . . . . . . . 1 year
tion. Purchasers must pay all labor and shipping charges
necessary to replace the product covered by this warranty.
Requests for warranty service must be made through the
installing dealer.This warranty shall not apply to any prod-
uct that has been subject to negligence, misapplication,
improper installation or maintenance, or other circum-
stances which are not in Sta-Rite’s direct control.
Max-E-Therm – Pool/Spa Heaters . . . . . . . . . . . . 2 years
Heater Enclosure only (Upper RH & LH;
lower enclosure; and control board enclosure)…10 years
Automatic Pool Cleaners including Hose . . . . . . 2 years
Cristal-Flo filters – Tanks . . . . . . . . . . .10 years pro-rated*
Valve and internal components. . . . . . . . . . . . . . 1 year
This warranty sets forth Sta-Rite’s sole obligation and
Purchaser’s exclusive remedy for defective products.
Posi-Flo II – Tanks . . . . . . . . . . . . . . . . . . . . . . . .10 years
Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year
STA-RITE SHALL NOT BE LIABLE FORANY CONSEQUENTIAL,
INCIDENTAL OR CONTINGENT DAMAGES WHATSOEVER.
PRC Cartridge –
Filter Tanks . . . . . . . . .5 years pro-rated (1st 2 years full)
Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year
THE FOREGOING WARRANTIES ARE EXCLUSIVE AND IN
LIEU OF ALL OTHER EXPRESS WARRANTIES. IMPLIED WAR-
RANTIES, INCLUDING BUT NOT LIMITED TO THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE,SHALL NOT EXTEND BEYONDTHE
DURATION OF THE APPLICABLE EXPRESS WARRANTIES
PROVIDED HEREIN.
System 3 Above Ground Systems – Tanks . . . . . .10 years
Pumps / Platform and Internals . . . . . . . . . . . . . 1 year
Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year
When equipped with A.O. Smith
2-compartment motors (Does not include
Some states do not allow the exclusion or limitation of inci-
dental or consequential damages or limitations on how long
an implied warranty lasts, so the above limitations or exclu-
sion may not apply to you.This warranty gives you specific
legal rights and you may also have other rights which vary
from state to state.
pumps sold as part of a systems package) . . . . . 2 years
Traps / In-Line Strainers . . . . . . . . . . . . . . . . . . . 1 year
Vertical Commercial Filter – Tanks . . . . . . . . . . .10 years
Internals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year
Horizontal Commercial Filter
Supersedes all previous publications.
Tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 years
(Years 6-9, Prorated declining 20%/year,Yr. 10 - 10%)
Internals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 year
Sta-Rite Industries, Inc.,
293 Wright St., Delavan, WI 53115
▲
Retain Warranty Certificate (upper portion) in a safe and convenient location for your records.
DETACH HERE: Fill out bottom portion completely and mail within 10 days of purchase/installation to:
▼
Sta-Rite, Attn: Warranty Dept., 293 Wright St., Delavan, WI 53115
Warranty Registration Card
Name
Years pool has been in service ■ less than 1 ■ 1-3 ■ 3-5 ■ 5-10
Purchased from:
Company name
Address
City
State
Zip
Address
Purchase Date
Product Purchased
■ New installation
City
State
Zip
Please send me more information on these
other products from Sta-Rite.
■ Replacement
Type of Pool
Size of Pool
■ Inground
■ Vinyl
■ Fiberglass
■ Gunite
■ Pumps ■ Filters ■ Automatic Pool Cleaners
■ Maintenance Equipment ■ Test Strips
■ Heaters
S4877PS (Rev. 1/22/01)
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