Inspecting Burner - Desa VYGF33PRC Owner's Operation And Installation Manual

INSPECTING BURNER

Check pilot flame pattern and burner flame pat-
terns often.
PILOT FLAME PATTERN
Figure 44 shows a correct pilot flame pattern.
Figure 45 shows an incorrect pilot flame pattern.
The incorrect pilot flame is not properly heating
the thermocouple. When the thermocouple cools,
the heater will shut down.
If pilot flame pattern is incorrect, as shown in
Figure 45
• turn heater off (see To Turn Off Gas to Appli-
ance, page 21)
• see Troubleshooting, page 25
Note: The pilot flame on a natural gas units will
have a slight curve, but flame should be blue and
have no yellow or orange color.
Figure 44 - Correct Pilot Flame Pattern
(Natural Gas Pilot Shown)
Pilot Burner
Figure 45 - Incorrect Pilot Flame Pattern
(Natural Gas Pilot Shown)
113109-01B
Thermocouple
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