OPERATING HEATER
Continued
THERMOSTAT CONTROLLED
MODELS
LIGHTING
INSTRUCTIONS
1.STOP! Read the safety information.
2.Make sure equipment shutoff valve is fully open.
3.Turn control knob clockwise 
to the OFF position.
4.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information. If you don’t smell gas, go to the next step.
5.Turn control knob counterclockwise 
to the PILOT position. Press in control knob for five (5) seconds (see Figure 21).
Note: You may be running this heater for the first time after hooking up to gas sup- ply. If so, the control knob may need to be pressed in for 30 seconds or more. This will allow air to bleed from the gas system.
•If control knob does not pop up when re- leased, contact a qualified service person or gas supplier for repairs.
6.Keep thermostat control knob pressed in while pushing down and releasing the igni- tor button (see Figure 21). This will light pilot. If necessary, continue to press igni- tor button until pilot lights.
If pilot does not light
•turn thermostat control knob clockwise Clockwise
to the OFF position
•repeat steps 5 and 6
If pilot does not stay lit after several tries
•refer to Troubleshooting, page 20.
•contact a qualified service person or gas supplier
Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 17.
Ignitor Button | Control Knob |
| FO |
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 re- leased, contact a qualified service person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 3 through 7. 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 1 and 5.
CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve.
Thermocouple
Ignitor Electrode
Pilot Burner
Figure 22 - Pilot (actual pilot may vary)
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1.Turn control knob clockwise 
to the OFF position.
2.Turn off all electric power to the appliance if service is to be performed.
Shutting Off Burner Only (pilot stays lit)
Turn control knob clockwise 
to the PI- LOT position.
Figure 21 - Control Knob In The OFF
Position
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