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INSPECTING
BURNER
TO TURN OFF GAS TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
Shutting Off Burner Only (pilot stays lit)
1. Turn control knob clockwise
MANUAL LIGHTING PROCEDURE
1. Remove front panel (see Figure 8, page 8).
2. Follow steps 1 through 6 under LIGHTING INSTRUCTIONS, pages 12 and 13.
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.
Check pilot flame pattern and burner flame pattern often.
PILOT FLAME PATTERN
Figure 16 shows a correct pilot flame pattern. Figure 17 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.
Thermocouple
Figure 16 - Correct Pilot Flame Pattern
Thermocouple
Figure 17 - Incorrect Pilot Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 17
• turn heater off (see TO TURN OFF GAS TO APPLIANCE, above)
• see TROUBLESHOOTING, pages 17 through 20
to the OFF position.
Clockwise
to the PILOT position.
Clockwise
GOOD PILOT
BAD PILOT
Pilot Burner
GRH/OV 009
Pilot Burner
GRH/OV 010
Continued
15
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