Inspecting Burner - Vanguard VP11 Owner's Operation And Installation Manual

INSPECTING
BURNER
TO TURN OFF GAS TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
Shutting Off Burner Only (pilot stays lit)
1. Turn control knob clockwise
MANUAL LIGHTING PROCEDURE
1. Remove front panel (see Figure 8, page 8).
2. Follow steps 1 through 6 under LIGHTING INSTRUCTIONS, pages 12 and 13.
3. With control knob pressed in, strike match. Hold match to pilot until pilot lights.
4. Keep control knob pressed in for 10 seconds after pilot is lit. After 10 seconds,
release control knob.
5. Replace front panel.
Check pilot flame pattern and burner flame pattern often.
PILOT FLAME PATTERN
Figure 17 shows a correct pilot flame pattern. Figure 18 shows an incorrect pilot
flame pattern. The incorrect pilot flame is not touching the thermocouple. This will
cause the thermocouple to cool. When the thermocouple cools, the heater will shut
down.
Thermocouple
GOOD PILOT/LP
Figure 17 - Correct Pilot Flame Pattern
Thermocouple
BAD PILOT/LP
Figure 18 - Incorrect Pilot Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 18
• turn heater off (see TO TURN OFF GAS TO APPLIANCE, above)
• see TROUBLESHOOTING, pages 17 through 20
to the OFF position.
Clockwise
to the PILOT position.
Clockwise
Pilot Burner
Pilot Burner
GRH/OV 008
GRH/OV 007
15
Continued