E. Junction Box Installation

If the box is being wired from the OUTSIDE of the appli- ance:

Remove the cover plate located on the outer shell - right side (see Figure 10.3).

Install the supplied Romex™ connector in the cover plate.

Feed the necessary length of wire through the connector.

Make all necessary wire connections and reattach the cover plate to the outer shell.

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 disengage it from the outer shell (see Figure 10.3).

Pull the electrical wires from outside the appliance through this opening into the valve compartment.

Feed the necessary length of wire through the connector.

Make all necessary wire connections to the junction box/ receptacle and reassemble the junction box/receptacle to the outer shell.

 

 

Romex

 

 

Connector

 

 

14/2WG

 

 

Cover Plate

 

 

outside firebox

WHT

 

 

BLK

 

WHT

BLK

Copper

 

 

 

GRN wire

ground attached

to GRN screw with

inside box

GRN wire

 

Note: Do NOT wire 110

VAC to wall switch.

Figure 10.3 Junction Box Detail

F.Wall Switch Installation for Fan (Op- tional)

If the box is being wired to a wall mounted switch for use with a fan (See Figure 10.4):

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.

Minimum 14-3 AWG

 

Switch

 

 

with Ground

 

 

 

Red

 

 

Black

Black

 

White

White

Junction Box

Green

Green

Red Black White Green

 

Power

 

Switch Box

 

Supply

 

 

 

 

Wires

 

Knockout

 

Red

 

 

Figure 10.4 Fan Control Switch Wiring

 

Heatilator • Novus BV-Mesh4031-553 Rev F • 11/07

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Heatiator NB4236MI, NB4842MI, NB3933MI, NB3630M Junction Box Installation, Wall Switch Installation for Fan Op- tional

NB3933M, NB3630M, NB3630MI, NB3933MI, NB4236M specifications

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