DVB Series Direct Vent Gas Fireplace
54D0701
49
cleANING and MAINteNANce
W
ARNING
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 62
. 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.
FP1943
pilot flame
Figure 62 - Pilot Flame
Thermopile
Thermocouple
FP1943
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 63
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 the back holes in the burner are not covered with rock wool. If the
back holes are clear, add more rock wool to the
center of the burner. Replace logs.
Note:
The type of installation, vent system
configuration, and wind effects may cause the
flame patterns to vary.
LG618
DVB log flames
Figure 63 -
Burner Flame Appearance
LG618
