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56D3048
47
HDV Series Direct Vent Gas Fireplace
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.
The flames from the pilot should be visually checked as
soon as the heater is installed and periodically during
normal operation.
Figure 68. The
pilot flame has three distinct flames, one engulfing the
thermopile, one engulfing the thermocouple, and the other
reaching to the main burner.
Inspect area around the injector. Remove any lint or foreign
material with a brush or vacuum.
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 69
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.
The type of installation, vent system configuration,
and wind effects may cause the flame patterns to vary.
FP2487
HDV pilot flame
Thermocouple
Thermopile
FP487
Figure 68 -
Pilot Flame
FP2453
hooded pilot flames
Sensor
Thermopile
FP453
LG695
HDV log flames
Figure 69 -
Burner Flame Appearance
LG695