7. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob. If control knob does
not pop up when released, contact a quali-
fied service technician or gas supplier for
repairs.
Note: If pilot goes out, repeat steps 2
through 6. This heater has a safety inter-
lock system. Wait one (1) minute before
lighting pilot again.
8. Turn control knob counterclockwise
to desired heating level. The main burner
should light. Set control knob to any heat
level between HIGH and LOW.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
The thermostatic control used on this model
differs from standard thermostats. You set
standard thermostats to a specific tempera-
ture such as 72° F. The control of this heater
establishes a "comfort level". In order for the
thermostat to operate effectively, the heater
should be the main source of heat in the
room. Follow the instructions for lighting the
heater on page 18. When the room reaches
the desired comfort level, rotate the control
knob clockwise slowly until the main burner
turns off and the pilot remains on (this position
on the knob will change depending on room
temperature).Turn the knob counter-clockwise
Shutting Off Heater
Turn control knob clockwise
OFF position.
1. Remove front panel.
2. Follow steps 2 through 5 under Lighting
Instructions, page 18.
3. With control knob pressed in, strike match.
Hold match to pilot until pilot lights.
200549-05A
OPERATION
THERMOSTAT CONTROL OPERATION
TO TURN OFF GAS TO APPLIANCE
MANUAL LIGHTING PROCEDURE
WARNING: If input gas
type is NG, make sure NG pilot
burner ignites. If input gas type
is LP, make sure LP pilot burner
ignites.
Natural Gas
Burner
Pilot Air
Inlet Hole
slowly until the main burner reignites. Note the
position of the control knob by the numbers
printed on the knob. Leave the knob in this
position. As the room temperature increases,
the main burner will turn off and the pilot
will remain on. When the room temperature
cools, the heater's main burner will come back
on. If left at this set point the thermostat will
turn the main burner on or off as needed to
maintain the room temperature at the desired
comfort level.
Note: The thermostat sensing bulb reacts
to the temperature depending on housing
construction.
Shutting Off Burner Only
to the
Turn control knob clockwise
PILOT position.
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 18.
5. Replace front panel.
HearthSense
Ignitor
Thermocouple
Electrode
Propane
Gas Burner
Pilot Air Inlet Hole
Figure 22 - Pilot
(pilot stays lit)
to the
19