Desa Inspecting Burner, Operating Heater, To Turn Off Gas To Appliance, Non-ThermostatModel

Models: A

1 36
Download 36 pages 59.53 Kb
Page 22
Image 22
INSPECTING BURNER

OPERATING HEATER

Non-Thermostat Model

Continued

INSPECTING BURNER

TO TURN OFF GAS TO APPLIANCE

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.

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

Clockwise

to the PILOT position.

MANUAL LIGHTING PROCEDURE

1.Remove front panel (see Figure 7, page 11).

2.Follow steps 1 through 5 under Lighting Instructions, pages 20 and 21.

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 20 shows a correct pilot flame pattern. Figure 21 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

Pilot Burner

 

Figure 20 - Correct Pilot Flame Pattern

Thermocouple

Pilot Burner

 

22

Figure 21 - Incorrect Pilot Flame Pattern

099569

Page 22
Image 22
Desa Inspecting Burner, Operating Heater, To Turn Off Gas To Appliance, Manual Lighting Procedure, Non-ThermostatModel