Vanguard Heating VGN30 - 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.
CORRECT FLAME PATTERN
AT HIGH POSITION
1/2 HEAT
SHIELD HEIGHT
Figure 17 - Correct Burner Flame Pattern
1/2 HEAT
SHIELD HEIGHT
INCORRECT FLAME PATTERN
AT HIGH POSITION
Yellow
Tipping
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 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.
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.