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INSPECTING
PILOT AND
BURNER
FLAME
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
prevent the thermocouple from getting hot, causing the heater to shut down.
Figure 19 - Correct Pilot
Flame Pattern
Figure 20 - Incorrect
Pilot Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 20
• turn heater off (see To Turn Off Gas to Appliance, page 23)
• contact a qualified service person
BURNER FLAME PATTERN
Note:
To view burner flame, look through front glass of heater.
WARNING ICON G001
WARNING
If ragged yellow flame occurs, your heater could produce
increased levels of carbon monoxide. If burner flame is
incorrect, follow instructions on page 25.
NOTICE
Do not mistake orange flames with yellow flame. Dirt or
other fine dust particles enter the heater and burn
causing brief patches of orange flame.
Figure 21, page 25, shows a correct burner flame pattern. Figure 22, page 25, shows
two incorrect burner flame patterns. The two incorrect flame patterns show ragged
yellow flames and flames lifting off of burner.
Thermocouple
Thermocouple