Install Instructions

ManualsBrandsBroan ManualsCooling & Air QualityJ-Can Housing w/ Radiation Damper w/ Hanger Bars. (Use w/ Models 110RDF, 80RDF, HD50RDF

MODEL RD4

RADIATION DAMPER

INSTALLATION INSTRUCTIONS

For Use In 1, 2 or 3 Hour Rated Floor-Ceiling and Roof-Ceil-

ing Designs

Horizontal Mount Only

For Use With The Following Fan Models:

Fan Models

Broan HD50, HD80, 676, 684

NuTone HD50NT, HD80NT, 676NT, 684NT

1. Position radiation damper on the inlet side of the fan so that the

arrow in the damper will point UP in the nished installation.

Attach the damper to the fan using #8 (M4) sheet metal screws

(provided). There must be a minimum of two connections on each

of two opposite sides. Care must be taken to ensure that the

fasteners do not interfere with the closing of the damper curtain.

For best results, use mounting holes provided.

2. Position fan/damper assembly so that the inlet face of the radia-

tion damper is ush with the nished surface of the ceiling. Fasten

fan/damper assembly to the building structure by driving #10 (M5)

minimum sheet metal screws or #8d minimum nails through the

fan mounting brackets and into the ceiling joists. There must

be a minimum of two fasteners on each of two opposite sides.

Ceiling opening must be no larger than the inlet opening of

the damper.

3. New Construction

A housing mask has been provided to keep construction dust,

drywall spray, paint, etc. from damaging the radiation damper

of blower assembly.

a) Bend up the small tab of the mask.

b) Tuck the opposite side of the mask under one of the damper’s

grille mounting ears and push mask up into damper housing.

Note: Mask can be put in place before or after the blowers as-

sembly is installed.

Remove mask before installing grille or operating fan.

4. Attach the metal grille, supplied, over the inlet face of the radia-

tion damper using #8 (M4) sheet metal screws (provided). There

must be a minimum of one screw on each of two opposite sides.

For best results, use mounting holes provided.

English

ITEM PART NO. DESCRIPTION

1 99523579 Fusible Link

2 99260485 Sheet Metal Nut

3 99170245 Damper Screw

4 99150573 Grille Screw

5 99523357 Radiation Damper

-- 98009908 Metal Grille

-- 97015727 Metal Duct Connector

For replacement

parts telephone

1-800-558-1711

99043769A

WARNOCK HERSEY LISTING

INCLUDES DAMPER ONLY. IT

DOES NOT INCLUDE EXHAUST

FAN. DAMPERS MAY BE USED

WITH UL LISTED FAN MODELS

NOTED.

16” OR 24” ON CENTER

FASTENER

FAN

MOUNTING

BRACKET

GRILLE

GRILLE SCREW

CEILING

DAMPER

WOOD

FRAMING

MEMBER

OR JOIST

WARNOCK HERSEY LISTED