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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 cOMpart-
Ment
Keep the control compartment, stones and burner areas
surrounding the stones 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 pres-
ent when the fireplace is in operation. Figure 55. The
pilot flame has three distinct flames, one engulfing the
sensor, one engulfing the thermopile, and the other reach-
ing 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.
Figure 56
If the flame is blue and candle-like in
appearance, adjust glass or add more
glass over ports.
nOte: The type of installation, vent
system configuration, and wind effects
may cause the flame patterns to vary.
78D0011
Figure 56 -
Burner Flame Appearance
WDV Series Gas Fireplace
Figure 55 -
Pilot Flame
FP2453
hooded pilot flames
FP2436
WDV flame appearance
Sensor
Thermopile
FP2453
FP2436
41
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