OPERATING HEATER
Thermostat Model
Continued
14
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 at the top of page 13. 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 14).
Note: You may be running this heater for the first time after hooking up to gas supply. If so, the control knob may need to be pressed in for 30 seconds. This will allow air to bleed from the gas system.
•If control knob does not pop up when released, contact a qualified service person or gas supplier for repairs.
6.With control knob pressed in, push down and release ignitor button. This will light pilot. The pilot is attached to the front of burner. The pilot can be seen through the glass panel. If needed, keep pressing ignitor button until pilot lights.
Note: If pilot does not stay lit, refer to Troubleshooting, pages 20 through 23. Also contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 15.
7.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.
Ignitor Electrode
Thermocouple | Pilot Burner |
Pilot | GRH/OV 007F |
| Figure 15 - Pilot |
Note: If pilot goes out, repeat steps 3 through 7. This heater has a safety interlock 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 HI and LO.
!CAUTION
Do not try to adjust heating levels by using the manual shutoff valve.
