Inspecting Burners - Superior TF18NV Installation And Operation Instructions Manual

INSPECTING BURNERS

Check pilot fl ame pattern and burner fl ame
Pilot Burner
patterns often.
PILOT FLAME PATTERN
Figure 62 shows a correct pilot fl ame pattern.
Figure 63 shows an incorrect pilot fl ame pat- Thermocouple
tern. The incorrect pilot fl ame is not touching
the thermocouple. This will cause the thermo-
couple to cool. When the thermocouple cools,
Figure 62 - Correct Pilot Flame Pattern
the appliance will shut down.
If pilot fl ame pattern is incorrect, as shown
in Figure 63.
Pilot Burner
• turn appliance off (see To Turn Off Gas to
Appliance, Page 26)
• see Troubleshooting, Page 31
NOTE: The pilot fl ame on natural gas units will
have a slight curve, but fl ame should be blue
Thermocouple
and have no yellow or orange color.
Figure 63 - Incorrect Pilot Flame Pattern
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