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Electrical Information
A. General Information
WARNING! Risk of Shock! DO NOT wire 110-120 VAC
to the ignition module or to the appliance wall switch. In-
correct wiring will damage controls.
NOTICE: This appliance must be electrically wired
and grounded in accordance with local codes or, in the
absence of local codes, with National Electric Code
ANSI/NFPA 70-latest edition or the Canadian Electric
Code CSA C22.1.
• Wire the appliance circuit using a minimum 14-2 AWG
with ground to unswitched 110-120 VAC. This is required
for use of optional accessories (standing pilot ignition) or
proper operation of the appliance (IntelliFire
• A 110-120 VAC circuit for this product must be protected
with ground-fault circuit interrupter protection, in
compliance with the applicable electrical codes, when
it is installed in locations such as in bathrooms or near
sinks.
• Low voltage and 110-120 VAC voltage cannot be shared
within the same wall box.
• In some instances, the spark ignition of the fireplace may
cause intermittent, non-damaging, interference during
the lighting sequence with a TV plugged into the same
circuit. It is recommended that the fireplace and TV use
different circuits to mitigate the interference potential.
If interference is occurring on the same circuit, the use
of surge protectors may help alleviate the interference.
44
Heatilator • NNXT33-IFT, NNXT33L-IFT, NNXT36-IFT, NNXT36L-IFT Installation Manual • 2628-980 Rev. C • 8/20
Junction Box Installation
If the box is being wired from the INSIDE of the appliance:
• Remove the screw attaching the junction box/receptacle
to the outer shell, rotate the junction box inward to dis-
engage it from the outer shell. See Figure 8.1.
• Pull the electrical wires from outside the appliance through
the opening into the valve compartment and secure wires
with a Romex connector. See Figure 8.1.
• Make all necessary wire connections to the junction box/
receptacle and reattach the junction box/receptacle to
the outer shell.
ignition).
®
Figure 8.1 Junction Box Detail
Accessories Requirements
• This appliance may be used with a wall switch, wall
mounted thermostat and/or a remote control.
Wiring for optional Hearth & Home Technologies approved
accessories should be done now to avoid reconstruction.
Follow instructions that come with those accessories.
Electrical Service and Repair
WARNING! Risk of Shock! Label all wires prior to dis-
connection when servicing controls. Wiring errors could
cause improper and dangerous operation. Verify proper
operation after servicing.
WARNING! Risk of Shock! Replace damaged wire with
type 105º C rated wire. Wire must have high temperature
insulation.
NOTICE: DO NOT wire
110-120 VAC to wall switch.
GRN wire
inside box
Romex
Connector
14-2 AWG
Cover Plate
outside firebox
Copper
ground attached
to GRN screw with
GRN wire
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