NuTone RF-79RP User manual

Architectural & Engineering Specifications

August 2001

Exterior-Mounted

Power Attic Ventilator

with Automatic Thermostat

MODEL: RF-79RP

DESCRIPTION

•Pulls hot air out of larger attics automatically. Exhausts

moisture and condensation that can cause premature

deterioration of attic insulation, shingles, roof, rafters,

wiring and outside paint.

• Efficient PSC type motor.

•Trim silhouette with 22" diameter by 9" high housing.

•23" square, aluminum, one-piece self-flashing flange and

venturi design provide complete rain seal. Includes

birdguard.

• Polymeric dome is UV protected.

•Automatic thermostat turns the fan on at selected

temperature setting from 60°F to 120°F or, may be

used with a general use On/Off switch for manual control.

•14

1

⁄

2

" diameter roof cutout between rafters. Install on

flat or pitched roof. When used on flat roofs, fan should

be mounted on built-up curb so that unit is raised above

standing water level.

DESIGN FEATURES

Air Delivery: 1400 CFM at .03" S.P.

2000 sq. ft. attic floor area.

Dimensions: 9" high, dome 22" diameter,

23" square flashing plate.

Motor: PSC type, sleeve bearing, thermally

protected (auto-reset with one-shot

fuse backup protector).

Material & Finish: Flashplate is plated steel with brown,

powder coat paint finish. Dome is dark

gray, UV protected, polymeric

material. Bird guard is UV protected

polymeric material.

Fan Blade: 5 Fins, 14" diameter, 4" pitch,

galvanized steel.

Thermostat: Adjustable from 60° to 120°F. Preset

to 110°F.

Electrical Rating: 120V, 60Hz, 3.9A.

ARCHITECT'S SPECIFICATIONS

Attic Cooling Fan shall be Model RF-79RP as

manufactured by NuTone, according to product

specifications listed: 9" high, dome 22" diameter,

flashing 23" square; contains automatic, adjustable

thermostat; 1400 CFM at .03" S.P.

CERTIFIED TEST DATA

Air delivery rating is certified by the Home Ventilating

Institute Division of AMCA, based on testing performed

by an independent third party testing laboratory, in

accordance with HVI standards. This NuTone model

is listed by Underwriters' Laboratories Inc.

Product specifications subject to change without notice.

4820 Red Bank Road, Cincinnati, Ohio 45227

Printed in U.S.A

SELECTION DATA

To determine fan size needed, measure square footage

of attic floor and multiply footage by .70. The result will be

the minimum air delivery required.

INSTALLATION

Mounts on a pitched or flat roof between 16" O.C.

rafters. Roof cutout minimum of 141⁄2" diameter.

IMPORTANT: On a flat roof installation, fan must be

mounted on curb build-up above the waterline. The Outlet

Box containing thermostat attaches to nearest roof rafter .

Thermostat preset at 110°F; calibrated dial settings from

60° to 120°F. May be used with standard on/off toggle

switch for manual control (must be purchased separately.)

Installation Instructions packaged with each unit.

DIMENSIONS

24" DIA.

107⁄8"

23"

23"

22" DIA.

9"

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