Vanguard Heating VP2000BTC - Manual (Page 21)

21
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INSPECTING
BURNER
Continued
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.
CORRECT FLAME PATTERN
AT HIGH POSITION
1/2 GLASS HEIGHT
Figure 21 - Correct Burner Flame Pattern
Yellow
Tipping
1/2 GLASS HEIGHT
INCORRECT FLAME PATTERN
AT HIGH POSITION
Figure 22 - Incorrect Burner Flame Pattern
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.
WARNING ICON G 001
WARNING
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.
If burner flame pattern is incorrect, as shown in Figure 22
• turn heater off (see To Turn Gas To Appliance, page 19).
• see Troubleshooting, pages 22 through 25