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17200049-02A
Figure 18 shows a correct pilot ame pattern.
Figure 19 shows an incorrect pilot ame pat-
tern. The incorrect pilot ame is not touching
the thermocouple. This will cause the ther-
mocouple to cool, which shuts the heater o.
Figure 18 - Correct Pilot Flame Pattern
Figure 19 - Incorrect Pilot Flame Pattern
IMPORTANT: Owner’s should check pilot ame pattern and burner ame pattern often.
Incorrect ame patterns indicate the need for cleaning (see Care and Maintenance,
page 18) or service.
WARNING: Only a qualied service person should service and
repair heater. This includes maintenance requiring replacement or
alteration of components.
PILOT FLAME PATTERN
If pilot ame pattern is incorrect, as shown
in Figure 19
• turn heater o (see To Turn O Gas to Ap-
pliance, page 16)
• see Troubleshooting pages 19 through 21.
BURNER FLAME PATTERN
Figure 20 shows a correct burner ame pat-
tern. Figure 21 shows an incorrect burner
ame pattern. The incorrect burner ame
pattern shows yellow tipping of the ame. It
also shows the ame higher than 1/2 the heat
shield height.
If burner ame pattern is incorrect, as shown
in Figure 21
• turn heater o (see To Turn O Gas to Ap-
pliance, page 16)
• see Troubleshooting pages 18 through 20.
INSPECTING BURNERS
Figure 20 - Correct Burner Flame Pattern
Figure 21 - Incorrect Burner Flame
Pattern
WARNING: If yellow tipping
occurs, your heater could pro-
duce increased levels of carbon
monoxide. If the burner ame
pattern shows yellow tipping,
follow instructions below.
Notice: Do not mistake orange ames with
yellow tipping. Dirt or other ne particles
enter the heater and burn causing brief
patches of orange ame.
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