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19
100844
TO TURN OFF GAS TO APPLIANCE
INSPECTING
BURNER
Check pilot flame pattern and burner flame pattern often.
PILOT FLAME PATTERN
Figure 19 shows a correct pilot flame pattern. Figure 20 shows an incorrect pilot
flame pattern. The incorrect pilot flame is not touching the thermocouple. This will
cause the thermocouple to cool. When the thermocouple cools, the heater will shut
down.
Continued
OPERATING
HEATER
Continued
Shutting Off Heater
1. Turn control knob clockwise
Clockwise
to the OFF position.
Shutting Off Burner Only (pilot stays lit)
1. Turn control knob clockwise
Clockwise
to the PILOT position.
MANUAL LIGHTING PROCEDURE
1. Remove front panel (see Figure 10, page 12).
2. Follow steps 1 through 5 under Lighting Instructions, pages 16 and 17.
3. With control knob pressed in, strike match. Hold match to pilot until pilot
lights.
4. Keep control knob pressed in for 10 seconds after pilot is lit. After 10
seconds, release control knob.
5. Replace front panel.
Thermocouple
Figure 20 - Incorrect Pilot Flame Pattern
Figure 19 - Correct Pilot Flame Pattern
Thermocouple
GRH/OV 008BAD PILOT/LP
If pilot flame pattern is incorrect, as shown in Figure 20
• turn heater off (see To Turn Off Gas to Appliance, above)
• see Troubleshooting, pages 21 through 24
GRH/OV 007GOOD PILOT/LP
Pilot Burner
Pilot Burner