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200044-01B18
THERMOSTAT CONTROL OPERATION
ALL MODELS
TO TURN OFF GAS TO APPLIANCE
Shutting Off Heater
Turn control knob clockwise to the
OFF position.
Shutting Off Burner Only (pilot
stays lit )
Turn control knob clockwise to the
PILOT position.
OPERATION
MANUAL LIGHTING PROCEDURE
1. Remove lower front panel.
2. Follow steps 1 through 5 under Lighting
Instructions, page 16 or 17.
3. With control knob pressed in, strike match.
Hold match to pilot until pilot lights.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
Figure 19 - Pilot
Pilot Burner
Ignitor Electrode
Thermocouple
The thermostatic control used on these mod-
els differ from standard thermostats. Standard
thermostats simply turn the burner on and off.
The thermostat used on this heater senses
the room temperature. At times the room may
exceed the set temperature. If so, the burner
will shut off. The burner will cycle back on
when room temperature drops below the set
temperature. The control knob can be set to
any comfort level between HI and LO.
Note: The thermostat sensing bulb measures
the temperature of air near the heater cabinet.
This may not always agree with room tem-
perature (depending on housing construction,
installation location, room size, open air tem-
peratures, etc.) Frequent use of your heater
will let you determine your own comfort levels.
4. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob. Follow step 8 under
Lighting Instructions, page 17.
5. Replace lower front panel.
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