Vanguard VGN30 Owner's Operation And Installation Manual page 16

16
If pilot flame pattern is incorrect, as shown in Figure 16
• turn heater off (see TO TURN OFF GAS TO APPLIANCE, page 15)
• see TROUBLESHOOTING, pages 17 thru 20
BURNER FLAME PATTERN
Figure 17 shows a correct burner flame pattern. Figure 18 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 heat shield 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 17 - Correct Burner Flame Pattern
INCORRECT FLAME PATTERN
Figure 18 - Incorrect Burner Flame Pattern
If burner flame pattern is incorrect, as shown in Figure 18
• turn heater off (see TO TURN OFF GAS TO APPLIANCE, page 15)
• see TROUBLESHOOTING, pages 17 thru 20
!
WARNING
WARNING ICON G 001
NOTICE
AT HIGH POSITION
AT HIGH POSITION
1/2 HEAT
SHIELD HEIGHT
Yellow
Tipping
1/2 HEAT
SHIELD HEIGHT