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ClEaNING aND MaINtENaNCE
Turn off gas before servicing fireplace. It is
recommended that a qualified service technician
perform these check-ups at the beginning of
each heating season.
BuRNER, pIlot aND CoNtRol CoMpaRtMENt
Keep the control compartment, logs, and burner areas surrounding the logs clean by vacuuming or
brushing at least twice a year. Make sure the burner porting, pilot air opening and burner air opening
are free of obstructions at all times.
pIlot FlaME
The flames from the pilot should be visually checked as soon as the heater
is installed and periodically during normal operation. the pilot flame must
always be present when the fireplace is in operation. Figure 30. The pilot
flame has three distinct flames, one engulfing the thermopile, one engulfing
the thermocouple, and the other reaching to the main burner.
BuRNER
Inspect area around the injector. Remove any lint or foreign material with
a brush or vacuum.
BuRNER FlaME
The flames from the burner should be visually checked as soon as the
heater is installed and periodically during normal operation. In normal operation, at full rate, and
after operating for about 15 to 30 minutes, the flame should be yellow and slightly taller than the
rear log. Figure 31
If the flame is blue and only in the center, turn
off unit and let cool. After unit is cool, remove
logs and check to make sure rock wool is
placed correctly. Replace logs.
NotE: The type of installation, vent system
configuration, and wind effects may cause the
flame patterns to vary.
69D2027
Figure 31 -
Burner Flame Appearance
CDV7 Series Gas Fireplace
Thermocouple
Thermopile
FP1943
Figure 30 -
FP1943
Pilot Flame
pilot flame
LG638
25
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