Inspecting Burner - Desa 101811-01C.pdf Owner's Operation And Installation Manual

INSPECTING
BURNER
20
Check pilot flame pattern and burner flame pattern often.
PILOT FLAME PATTERN
Figure 19 shows a correct pilot flame pattern. Figure 20 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 19 - Correct Pilot Flame Pattern
Thermocouple
Figure 20 - Incorrect Pilot Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 20
• turn heater off (see To Turn Off Gas to Appliance, page 19).
• see Troubleshooting, pages 22 through 25
Pilot Burner
Pilot Burner
101811