Connect Wiring (All Blowers) - NuTone 644201 Installation Instructions Manual

10. CONNECT WIRING (ALL BLOWERS)

Risk of electrical shock. Electrical wiring must be done by qualified personnel in accordance with
all applicable codes and standards. Before connecting wires, switch power off at service panel
and lock service disconnecting means to prevent power to be switched on accidentally.
INTERIOR BLOWER: Connect cable into wiring box using wire
connectors.
Connect wires as follow: BLACK to BLACK, WHITE to WHITE and
GREEN or BARE wire under ground screw. Reinstall wiring cover. DO
NOT FORGET TO CONNECT THE GROUND.
IN-LINE OR EXTERIOR BLOWER: Remove rough-in plate wiring cover and connect wiring (see instructions included
witn in-line or exterior blower).
11. INSTALL THE BLOWER (INTERIOR BLOWER)
The blower must be installed to the rough-in plate using (4) 3/8" screws for the single blower unit and (6) 3/8" screws
for the dual blower unit. Remove the cover from the blower assembly. Remove the impeller(s) by pulling them out gen-
tly (see pictures below).
HD0021
WARNING
!
1) Ground screw
HD0022
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HD0007