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27
VFC Vent Free Fireplace System
Monessen • VFC 24/32 Owner Manual • 20308011 • Rev A • 06/16
FLAME APPEARANCE
PILOT AND BURNER FLAME APPEARANCE
Flames from the pilot, front and rear burner should be
visually checked as soon as the heater is installed.
In addition, periodically check the flames visually during
operation.
Figure 32.
Millivolt Control Pilot Flame Appearance
MILLIVOLT CONTROL
FP2273
pilot bad flame
FP2272
pilot correct flame
Thermocouple
for Natural Gas
Thermocouple
for LP
Thermocouple
for Natural Gas
Thermocouple
for LP
Correct Pilot Flame Appearance
Incorrect Pilot Flame Appearance
CHECKING THE PILOT FLAME
The pilot flame must always be present when the
heater is in operation.
It should just touch the top of the
thermocouple tip for natural. Refer to Figure 32 for correct
pilot flame.
If the pilot flame does not touch the thermocouple, then
the main burner cannot function reliably. Refer to Figure
33 for incorrect shape of pilot flame.
Figure 33.
Millivolt Control Incorrect Pilot Flame Appearance