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INPECTING HEATER
Continued
BURNER FLAME PATTERN FOR
BLUE FLAME HEATERS
WARNING: If yellow tipping
occurs, your heater could pro-
duce increased levels of carbon
monoxide.
NOTICE: Do not mistake orange
flames with yellow tipping. Dirt
or other fine particles enter the
heater and burn causing brief
patches of orange flame.
Figure 26 shows a correct burner flame pattern.
Figure 27 shows an incorrect burner flame pat-
tern. 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 burner flame pattern is incorrect, as shown in
Figure 27
• turn heater off (see To Turn Off Gas to Appli-
ance, page 15 [non-thermostat models] or page
16 [thermostat models]))
• see Troubleshooting, page 20
Figure 26 - Correct Burner Flame Pattern
for Blue Flame Heaters
Figure 27 - Incorrect Burner Flame
Pattern for Blue Flame Heaters
18
BURNER FLAME PATTERN FOR
INFRARED HEATERS
Figure 28 shows a correct burner flame pattern. Fig-
ure 29 shows an incorrect burner flame pattern.
If burner flame pattern is incorrect, as shown in
Figure 29
• turn heater off (see To Turn Off Gas to Appli-
ance, page 15 [non-thermostat models] or page
16 [thermostat models]))
Figure 28 - Correct Burner Flame Pattern
Figure 29 - Incorrect Burner Flame
Blue
Flame
1
/
Glass
2
1/2 G
Height
Yellow
Tipping
1
/
Glass
2
1/2 G
Height
www.desatech.com
for Infrared Heaters
Bad Burner Pattern-Plaque
Pattern for Infrared Heaters
GRH/OV 019
113048-01C
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