Heatilator • HEIR36, HEIR42, HEIR50 Installation Manual • 2285-980 Rev. G • 12/14
36
A. General Information
WARNING! Risk of Shock or Explosion! DO NOT
wire
110-120 VAC to the valve or to the appliance wall switch.
Incorrect 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 junction box to unswitched 110-
120 VAC. This is required for proper operation of the
appliance.
• 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.
8
8
Electrical Information
Junction Box Installation
The electrical junction box can be accessed three ways
during installation:
1. Through the access plate:
• Remove two screws to release junction box bracket
from the access plate. See Figure 3.2 and Figure
8.2.
2. Through the front left column (behind the factory-
installed non-combustible board):
• From inside remove one screw that secures junction
box to junction box bracket. See Figure 8.1 and
Figure 8.2.
3. Through the
fi
rebox:
• From inside remove one screw that secures junction
box to junction box bracket. See Figure 8.1 and
Figure 8.2.
• Pull the electrical wires from outside the appliance
through the opening into the valve compartment and
secure wires with a Romex connector. See Figure 8.2
• Make all necessary wire connections to the junction
box/receptacle and reattach the junction box/receptacle
to the outer shell.
Figure 8.1 Junction Box Access
GASKET
COVER
ACCESS THROUGH LEFT COLUMN
(Prior to installation of non-combustible board)
ACCESS THROUGH FIREBOX
(After installation of non-combustible board)
