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INSPECTING
BURNERS
Check pilot flame pattern and burner flame patterns often.
PILOT FLAME PATTERN
Figure 21 shows a correct pilot flame pattern. Figure 22 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
Pilot Burner
Figure 21 - Correct Pilot
Flame Pattern
Pilot Burner
Thermocouple
Figure 22 - Incorrect Pilot
Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 22
• turn heater off (see To Turn Off Gas to Appliance, page 21)
• see Troubleshooting, pages 23 through 26
MANUAL LIGHTING PROCEDURE
1. Follow steps 1 through 5 under Lighting Instructions, pages 20 and 21.
2. Depress control knob and light pilot with match.
3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds,
release control knob. Now follow step 8 on page 21.
OPERATING
HEATER
Continued