Cleaning And Maintenance; Burner, Pilot And Control Compartment; Pilot Flame; Burner Flame - Vermont Castings WDVST500 Installation & Operating Instructions Manual

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 i
s 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.
78D2082
Figure 56 -
Burner Flame Appearance
WDV See-thru Gas Fireplace
Sensor
Figure 55 -
Pilot Flame
FP2568
pilot flame
FP2436
WDV flame appearance
Thermopile
FP2568
FP2436
41