SECTION THREE – Heater Operation
Important Safety Precautions
Follow the instructions below before operating or ser-
vicing the heater.
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• DO NOT try to light the burner by hand. This
heater has an ignition device that automatically
lights the burner.
• Before operating or repairing the heater, check the
area around the unit for any gas odor. Be sure to
check near the floor, because some gas (such as
propane) is heavier than air and will settle on the
floor.
• Before operating the heater, make sure that heater
and surrounding area are free from combustibles,
flammable liquids, and chemicals.
Explosion hazard with Propane gas.
Propane gas is heavier than air; check the floor
area surrounding the heater as it will settle on the
floor.
• Turn the gas control knob by hand only. do not try
to force or use tools to turn the knob.
• DO NOT operate the heater if any part of it has been
under water. If any part of the heater has been under
water, check the part and replace it if necessary.
Operation Procedures
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Before operating the heater, perform the following pre-
operation checks:
• Check around the heater for any gas odor (see the
“Important Safety Precautions” section).
• Check that the pool or spa is properly filled with
water and that water flow is unobstructed.
• Check that openings for combustion and ventilation
are unobstructed. Remove any debris in or around
heater.
• Check that all water connections are tight.
• Make sure that heater and surrounding area are
free from combustibles, flammable liquids, and
chemicals.
• Run the pool/spa circulating pump for several min-
utes to clear all air from the system.
Cold Weather Operation
The heater may be operated in the wintertime, provid-
ed air temperatures remain above freezing and the
water temperature 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.
NNNNOOOOTTTTEEEE:::: 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 tem-
perature 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 2-19).
Allowing the heater to freeze will void the warranty.
Operation Instructions
Use the following procedures to operate the heater:
1. SSSSTTTTOOOOPPPP!!!! Read the “Important Safety Precautions”
section before proceeding.
2. Set both pool and spa thermostats to the lowest
settings.
3. Turn off all electric power to the appliance.
4. DDDDOOOO NNNNOOOOTTTT try to light the burner by hand. This
heater does not have a pilot. It is equipped with an
ignition device that automatically lights the burner.
5. Remove the Jacket Cover by unfastening the bolts
connecting the halves of the jacket.
6. Turn the Gas Control Knob clockwise to the red
line, press slightly, then turn to the OFF position.
On newer models, throw the ON-OFF toggle to
OFF. (See Figure 3-1).
7. Wait five minutes to allow gas to clear, then contin-
ue to Step 8. (If, after five minutes, a gas odor is still
detected, STOP!)
If a gas odor is detected:
- Do not light the heater or any other appliances in
the area.
- Do not touch any electrical switches.
- Do not use a telephone in the immediate area.
- Call the gas supplier from a telephone in another
location.
- If you cannot reach the gas supplier, call the fire
department.
3-1
Important Safety Precautions
