Desa 102783-01B - Manual (Page 23)

23
102783
OPERATING
HEATER
Continued
TO TURN OFF GAS TO APPLIANCE
Shutting Off Heater
1. Press in and turn control knob clockwise
Clockwise
to the HIGH position.
2. Turn the control knob clockwise
Clockwise
to the PILOT position.
3. Press in control knob and turn clockwise
Clockwise
to the OFF Position.
Shutting Off Burners Only (pilot stays lit)
1. Turn the control knob clockwise
Clockwise
to the HIGH position.
2. Press in and turn control knob clockwise
Clockwise
to the PILOT position.
MANUAL LIGHTING PROCEDURE
1. Follow steps 1 through 5 under Lighting Instructions, pages 21 and 22.
2. Depress control knob and light pilot with match.
3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30
seconds, release control knob. Now follow step 8, pages 22 and 23.
INSPECTING
BURNERS
Check pilot flame pattern and burner flame patterns often.
PILOT FLAME PATTERN
Figure 22 shows a correct pilot flame pattern. Figure 23 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 22 - Correct Pilot
Flame Pattern
Pilot Burner
Thermocouple
Figure 23 - Incorrect Pilot
Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 23
• turn heater off (see To Turn Off Gas to Appliance, above)
• see Troubleshooting, pages 24 through 27