Desa VN600BA - Manual (Page 16)

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1/2 GLASS HEIGHT
CORRECT FLAME PATTERN
AT HIGH POSITION
INCORRECT FLAME PATTERN
AT HIGH POSITION
1/2 GLASS HEIGHT
1/2 GLASS HEIGHT
CORRECT FLAME PATTERN
AT HIGH POSITION
INCORRECT FLAME PATTERN
AT HIGH POSITION
1/2 GLASS HEIGHT
Figure 23 - Correct Burner Flame Pattern
Yellow
Tipping
Figure 24 - Incorrect Burner Flame
Pattern
(Models VN600A and VP600A will be
lower due to lower input rating)
BURNER FLAME PATTERN
INFRARED MODELS
Figure 25 shows a correct burner flame pattern. Fig-
ure 26 shows an incorrect burner flame pattern.
If burner flame pattern is incorrect, as shown in
Figure 26
• turn heater off (see To Turn Off Gas to Appli-
ance, page 14)
• see Troubleshooting, page 18
Figure 26 - Incorrect Burner Flame
Pattern (Dual Burner Shown)
Figure 25 - Correct Burner Flame Pattern
(Dual Burner Shown)
INSPECTING BURNER
Continued
WARNING: If yellow tipping
occurs, your heater could pro-
duce increased levels of carbon
monoxide. If burner flame pattern
shows yellow tipping, proceed
with the following instructions.
NOTICE: Do not mistake orange
flames with yellow tipping. Dust
or other fine particles enter the
heater and burn causing brief
patches of orange flame.
BURNER FLAME PATTERN BLUE
FLAME MODELS
Figure 23 shows a correct burner flame pattern.
Figure 24 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 burner flame pattern is incorrect, as shown in
Figure 24
• turn heater off (see To Turn Off Gas to Appli-
ance, page 14)
• see Troubleshooting, page 18