Operating heater, Inspecting burner, Manual lighting procedure – Desa Tech CGP10 User Manual

Page 18

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TO TURN OFF GAS TO APPLIANCE

OPERATING

HEATER

Continued

Shutting Off Heater

1. Turn control knob clockwise

Clockwise

to the PILOT position.

2. Press in control knob and turn 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 10, page 12).
2. Follow steps 1 through 5 under Lighting Instructions
, pages 16 and 17.
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 pilot is lit. After 30

seconds, release control knob.

5. Replace front panel.

INSPECTING

BURNER

Check pilot flame pattern and burner flame pattern often.

PILOT FLAME PATTERN

Figure 18 shows a correct pilot flame pattern. Figure 19 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.

GRH/OV 007

GOOD PILOT/LP

Thermocouple

Pilot Burner

Thermocouple

GRH/OV 008

BAD PILOT/LP

Pilot Burner

Figure 19 - Incorrect Pilot Flame Pattern

If pilot flame pattern is incorrect, as shown in Figure 19

• turn heater off (see To Turn Off Gas to Appliance, above)
• see Troubleshooting, pages 20 through 23

Figure 18 - Correct Pilot Flame Pattern

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