NuTone RDM2, Installation Manual

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RDM2 Installation Guide Page 3
4. Attach
RADIATION DAMPER EXTENSION (A)
to the fan housing.
For lighted units only: Make sure
WIRE HARNESS (B)
is
positioned above 7/8” diameter ELECTRICAL ACCESS
HOLES (C) .
5. Drill 1/8” diameter holes through dimples in housing and use
(4) #8 x 3/8” SHEET METAL SCREWS (D) and (4) METAL
BRACKETS (E)
supplied in radiation damper parts bag.
Attach Radiation Damper
Extension to Fan Housing
A
D
B
C
7. If the fan will be mounted directly to the ceiling support
structure:
a.
MAKE SURE BOTTOM EDGE OF RADIATION
DAMPER IS FLUSH WITH INTERIOR SIDE
OF FINISHED CEILING.
b. Additional
BLOCKING (J)
may be necessary to
securely fasten fan housing to ceiling support
structure.
J
Install Fan Housing
F
G
H
6. If fan will be mounted between ceiling structure, purchase Hanger
Bar Kit MHB4 from your local Broan-NuTone dealer or distributor.
a. Fasten (2) MOUNTING CHANNELS (F) to the fan
housing or radiation damper with supplied #8
HEX HEAD SCREWS (G) .
b. Install
(2) SUPPORT BARS (H)
per side.
c. Lift fan housing up into position in ceiling support
structure.
d.
MAKE SURE BOTTOM EDGE OF RADIATION
DAMPER IS FLUSH WITH INTERIOR SIDE
OF FINISHED CEILING.
e. Extend support bars and secure to ceiling structure
with #8 (M4) sheet metal screws or ¼” diameter bolts
with nuts.
E