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D. Electrical Service and Repair
WARNING! Risk of Shock! Label all wires prior to discon-
nection when servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper opera-
tion after servicing.
WARNING! Risk of Shock! Replace damaged wire with
type 105º C rated wire. Wire must have high temperature
insulation.
E. Junction Box Installation
If the box is being wired from the INSIDE of the appli-
ance:
• Remove the screw attaching the junction box/receptacle to
the outer shell, rotate the junction box inward to disengage
it from the outer shell (see Figure 12.2).
• Pull the electrical wires from outside the appliance through
the opening into the valve compartment and secure wires
with a Romex connector. See Figure 12.2.
• Make all necessary wire connections to the junction
box/receptacle and reattach the junction box/receptacle
to the outer shell.
F. Wall Switch Installation for Fan (Optional)
If the box is being wired to a wall mounted switch for use
with a fan (See Figure 12.3):
• The power supply for the appliance must be brought into
a switch box.
• The power can then be supplied from the switch box to the
appliance using a minimum of 14-3 with ground wire.
• At the switch box connect the black (hot) wire and red
(switch leg) wire to the wall switch as shown.
• At the appliance connect the black (hot), white (neutral)
and green (ground) wires to the junction box as shown.
• Add a 1/4 in. insulated female connector to the red (switch
leg) wire, route it through the knockout in the face of the
junction box, and connect to the top fan switch connector
(1/4 in. male) as shown.
Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. G • 8/10
Figure 12.2 Junction Box Detail
Minimum 14-3 AWG
with Ground
Junction Box
Red
Figure 12.3 Junction Box Wired to Wall Switch or BC10
Romex
Connector
14/2WG
Cover Plate
outside firebox
Copper
ground attached
GRN wire
to GRN screw with
inside box
GRN wire
NOTICE: DO NOT wire
110 VAC to wall switch.
Switch
Red
Black
Black
White
White
Green
Green
Power
Switch Box
Supply
Wires
Knockout
51
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