Electrical Installation - Millivolt; Electrical Wiring - Vermont Castings 33CFDVNV Installation And Operating Instructions Manual

ELECTRICAL INSTALLATION – MILLIVOLT
4. To adjust flame height, turn HI/LO knob to HI to get
maximum pressure to burner. Turn HI/LO knob to LO
to get minimum pressure.
5. To check gas pressures at valve, turn captured screw
counter clockwise 2 or 3 turns and then place tubing
to pressure gauge over test point. Turn unit to high.
Figure 68. After taking pressure reading, be sure and
turn captured screw clockwise firmly to reseal. Do not
over torque. Check test points for gas leaks.
Pressure
Test "IN"
Pressure
Test "OUT"
HI/LO Knob
Pilot Adjustment Screw
Figure 68 –
Millivolt Gas Pressure Check at Gas Valve
FP1979
Millivolt gas valve

ELECTRICAL WIRING

This fireplace will work without any electrical supply.
Electricity is only needed to operate blower.
NOTE: If installed in mobile home, fireplace must be bolted
securely to floor.
WARNING
Electrical connections should only be performed by
a qualified, licensed electrician. Main power must
be off when connecting to main electrical power
supply or performing service. All wiring shall be
in compliance with all local, city and state codes.
The appliance, when installed, must be electrically
grounded in accordance with local codes or in the
absence of local codes, with the National Electrical
Code ANSI/NFPA 70 (latest edition) and Canadian
Electrical Code, CSA C22.1.
Label all wires before disconnecting when
servicing controls. Wiring errors can cause
improper and dangerous operation.
20306739
JUNCTION BOX WIRING
1. This should be done before framing the fireplace. Wire
the receptacle into an electrical circuit. Wire with mini-
mum 60° C wire in accordance with prevailing codes.
2. Remove the external junction box cover by removing
the screw from the side of the outside firebox wall.
Junction box was installed at the factory.
3. The junction box cover has a factory installed "romex"
style strain relief connector. After connecting the wires,
route the wire leads through this connector. Figure 69
Verify proper operation after servicing.
FP1979
Figure 69 –
Junction Box Wiring Diagram
CFDV Series Gas Fireplace
Junction Box
FP1912
Junction box wiring
8/08
120V AC
60Hz
Factory Supplied
Not Supplied
35