Maintenance; Pilot Burner Adjustment; Venturi Adjustment - Napoleon BGD36CFNTR Installation And Operating Instructions Manual

TURN OFF THE GAS AND ELECTRICAL POWER
BEFORE SERVICING THE FIREPLACE.
CAUTION: Label all wires prior to disconnection when servic-
ing controls. Wiring errors can cause improper and danger-
ous operation. Verify proper operation after servicing. This
fi replace and its venting system should be inspected before
use and at least annually by a qualifi ed service person. The
fi replace area must be kept clear and free of combustible
materials, gasoline or other fl ammable vapours and liquids.
The fl ow of combustion and ventilation air must not be ob-
structed.
1. In order to properly clean the burner and pilot assembly,
remove the logs to expose both assemblies.
2. Keep the control compartment, logs, burner, air shutter
opening and the area surrounding the logs clean by vacuum-
ing or brushing, at least once a year.

PILOT BURNER ADJUSTMENT

FIGURE 120

VENTURI ADJUSTMENT

Both fi replace models have air shutters that have been factory
set open according to the chart below:
These settings are for (maximum) horizontal termination.
BGD36CF
1/16"
NG
LP 1/4"

MAINTENANCE

3. Check to see that all burner ports are burning. Clean out
any of the ports which may not be burning or are not burning
properly.
4. Check to see that the pilot fl ame is large enough to engulf
the thermocouple and thermopile and reaches toward the
burner with the third jet.
5. Replace the cleaned logs.
6. Check to see that the main burner ignites completely on
all openings when the gas knob for the burner is turned on. A
5 to 10 second total light-up period is satisfactory. If ignition
takes longer, consult your Napoleon dealer / distributor.
7. Check that the gasketing on the sides, top and bottom of
the door is not broken or missing. Replace if necessary.
ADJUSTMENTS
Adjustment may be required depending on fuel type, vent
confi guration and altitude.
Closing the air shutter will cause a more yellow fl ame, but can
lead to carboning. Opening the air shutter will cause a more
blue fl ame, but can cause fl ame lifting from the burner ports.
The fl ame may not appear yellow immediately; allow 15 to 30
minutes for the fi nal fl ame colour to be established.
Air shutter adjustment must only be done by a quali-
FIGURE 121
FIGURE 123 FIGURE 123
BGD42CF
To access the air shutter, remove the two screws that secure
the cover to the air housing. The alternate access is to remove
1/4"
7/16"
FIGURE 122
fi ed installer!
VENTURI
37
W415-0566 / D / 08.30.07