Broan Nutone RDM1 Installation Manual

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RDM1

Radiation Damper

INSTALLATION GUIDE

Easy installation

© 2016 Broan-NuTone LLC

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Usage

For use with 1, 2 or 3-Hour-Rated Floor-Ceiling and Roof-Ceiling Designs.

Flat Ceiling / Horizontal Mount Only.

For use with the following ventilation fan models:
Broan A000HF, A000HFC, A000HL, A110, A110C, A110F, A110FC, A110HF, A80, A80C, A80F, A80FC,

A80HD, A80HDF, AE110, AE110C, AE110F, AE110FC, AE110L, AE50, AE50F, AE80, AE80B, AE80BF,
AE80BL, AE80BLF, AE80F, AE80L, AE80LF, AE80S, AE80SL, AE110S, AE110SL, A000HFS

NuTone AEN110, AEN110C, AEN110F, AEN110L, AEN50, AEN50F, AEN80, AEN80B, AEN80BF,
AEN80BL, AEN80BLF, AEN80F, AEN80L, AEN80LF, AN000HF, AN000HFC, AN000HL, AN110,
AN110C, AN110F, AN110FC, AN110HF, AN80C, AN80FC, AN80HDF

RDM1 Installation Guide

SEE DETAILS ON

UL CLASSIFICATION

MARKING ON PRODUCT

Remove Blower & Wiring Panel

The following steps are best performed on a work surface before
fan installation. Protect counter tops by placing corrugated sheet
under the fan.

1. Remove blower and all packing material from fan housing.

Install Duct Connector

TABS

3. Install duct connector supplied with fan.
a. Push duct connector through opening from inside of

housing.

b. Engage tabs and secure with #8-18 hex head screw from

parts bag.

2. Remove wiring panel from fan housing.

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Attach Radiation Damper
Extension to Fan Housing

A

B

D

C

E

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. Use (4) #8 x 3/8” SHEET METAL SCREWS (D) and 4 SHEET
METAL NUTS (E) supplied in radiation damper parts bag.

RDM1 Installation Guide

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.

J

Install Fan Housing

G

F

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.

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.

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RDM1 Installation Guide

Attach 4-inch Round Metal Duct

8. Attach 4-inch round metal duct to the duct connector and
discharge air to an outside location. Seal all joints with duct
tape.

9. Make sure damper flap opens and closes freely without
binding.

Connect Wiring

10. Refer to instructions supplied with the fan for various
electrical wiring options.

11. Install electrical box cover removed in Step 2. Secure with
one #8-18 hex head screw provided in fan parts bag.

12. Lighted fan models: Connect WIRE HARNESS (B) from
radiation damper extension to the CONNECTOR (K) on the
wiring box.

Non-lighted fan models: WIRE HARNESS (B) from radiation

damper extension is not used and can be removed. Cut wire
tie and discard the harness.

Install Blower into Fan Housing

K

13. Push blower straight up in fan housing and snap into position.

14. Secure blower with (2) #8-18 hex head screws from the fan
parts bag.

15. Plug blower motor into receptacle located on wiring panel.

Attach Radiation Damper

A

M

16. Align RADIATION DAMPER (L) holes with holes in the fan
EXTENSION (A).

17. Push radiation damper up into the fan extension. Make sure
flange is installed as shown. Label inside damper shows
correct installation position.

18. Fasten radiation damper to the fan extension with (4) #8
X 3/8” SHEET METAL SCREWS (M) from the radiation
damper parts bag.

L