Heatilator NBV3630I-B Installation Manual page 26

Wall Switch Installation for Fan (Optional)
If the box is being wired to a wall mounted switch for use
with a fan. See Figure 9.3:
• 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.
26
Heatilator • NBV3630I-B, NBV3933I-B, NBV4236I-B, NBV4842I-B Installation Manual • 2376-980 Rev. F • 7/16
Minimum 14-3 AWG
with Ground
Junction Box
Red
Figure 9.3 Junction Box Wired to Wall Switch or BC10
Switch
Red
Black Black
White White
Green Green
Power
Switch Box
Supply
Wires
Knockout