Inspecting Burner - Vanguard VGN30 Owner's Operation And Installation Manual

INSPECTING
BURNER
TO TURN OFF GAS TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
2. Press in control knob and turn clockwise
3. Turn off all electric power to the appliance if service is to be performed.
Shutting Off Burner Only (pilot stays lit)
1. Turn control knob clockwise
MANUAL LIGHTING PROCEDURE
1. Remove front panel (see Figure 3, page 7).
2. Follow steps 1 thru 5 under LIGHTING INSTRUCTIONS, pages 13 and 14.
3. With control knob pressed in, strike match. Hold match to pilot until pilot lights.
4. Keep control knob pressed in for 30 seconds after lighting pilot. After 30
seconds, release control knob.
5. Replace front panel.
Check pilot flame pattern and burner flame pattern often.
PILOT FLAME PATTERN
Figure 15 shows a correct pilot flame pattern. Figure 16 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
Figure 15 - Correct Pilot Flame Pattern
Thermocouple
Figure 16 - Incorrect Pilot Flame Pattern
to the PILOT position.
Clockwise
to the OFF position.
Clockwise
to the PILOT position.
Clockwise
Pilot Burner
Pilot Burner
Continued 15