Comfort Glow CGP20T Owner's Operation And Installation Manual page 21

INSPECTING
BURNER
Continued
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BURNER FLAME PATTERN
Figure 21 shows a correct burner flame pattern. Figure 22 shows an incorrect burner
flame pattern. The incorrect burner flame pattern shows yellow tipping of the flame.
It also shows the flame higher than 1/2 the glass panel height.
If yellow tipping occurs, your heater could produce increased levels
of carbon monoxide. If burner flame pattern shows yellow tipping,
follow instructions at bottom of this page.
Do not mistake orange flames with yellow tipping. Dirt or other fine
particles enter the heater and burn causing brief patches of orange
flame.
CORRECT FLAME PATTERN
Figure 21 - Correct Burner Flame Pattern
INCORRECT FLAME PATTERN
Figure 22 - Incorrect Burner Flame Pattern
If burner flame pattern is incorrect, as shown in Figure 22
• turn heater off (see To Turn Off Gas to Appliance, page 19)
• see Troubleshooting, pages 22 through 25
WARNING
WARNING ICON G 001
NOTICE
AT HIGH POSITION
AT HIGH POSITION
1/2 GLASS HEIGHT
Yellow
Tipping
1/2 GLASS HEIGHT
21