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Inspecting burner – Desa VP5A User Manual

Page 15

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15

Shutting Off Heater

1. Turn control knob clockwise

Clockwise

to the OFF position.

Shutting Off Burner Only (pilot stays lit)

1. Turn control knob clockwise

Clockwise

to the PILOT position.

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.

TO TURN OFF GAS TO APPLIANCE

INSPECTING

BURNER

GRH/OV 007

GOOD PILOT/LP

Thermocouple

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.

Pilot Burner

Figure 17 - Correct Pilot Flame Pattern

Continued

Thermocouple

GRH/OV 008

BAD PILOT/LP

Pilot Burner

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