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48
75D2525
DVM 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 ames from the pilot should be visually checked as
soon as the heater is installed and periodically during
normal operation.
Figure 64. The
pilot ame has three distinct ames, one engulng the
thermopile, one engulng the thermocouple or sensor, and
the other reaching to the main burner.
Inspect area around the injector. Remove any lint or foreign
material with a brush or vacuum.
Figure 65 -
Burner Flame Appearance
LG671
The ames 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 ame should be yellow and
slightly taller than the rear log. Figure 65
If the ame 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 conguration, and
wind effects may cause the ame patterns to vary.
Thermopile
Thermocouple
Figure 64 -
Pilot Flame
FP1943
Thermopile
Sensor
FP2453
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