Cleaning And Maintenance; Burner, Pilot And Control Compartment; Pilot Flame; Burner Flame - Monessen Hearth WDV500 Installation And 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 cOMpartMent

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 present when the fireplace is in operation.
Figure 56. The pilot flame has three distinct flames, one engulfing the
sensor, one engulfing the thermopile, 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.

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 57
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 57 -
Burner Flame Appearance
Figure 56 -
Pilot Flame
FP2453
hooded pilot flames
FP2436
WDV flame appearance
WDV Series Gas Fireplace
Sensor
Thermopile
FP453
FP436
41