Broan 791LED - User Manual

Page 1
MODEL 791LED
VENTILATION FAN
WITH LED LIGHT
READ AND SAVE THESE INSTRUCTIONS
TYPICAL INSTALLATIONS
HOUSING
GRILLE
CEILING
JOIST
CEILING
MATERIAL
HOUSING
HOUSING MOUNTED
DIRECTLY TO JOIST
2x6 (or larger)
Discharge parallel to joists.
HOUSING
HOUSING
2 x 4
CEILING
JOIST or
TRUSS
2 x 4
CEILING
JOIST or
TRUSS
CEILING
MATERIAL
GRILLE
HOUSING MOUNTED
TO 2x4 TRUSS
Discharge parallel to joists.
HOUSING
HOUSING
ADDITIONAL
FRAMING
"I"
JOIST
"I"
JOIST
CEILING
MATERIAL
GRILLE
HOUSING MOUNTED TO “I” JOIST
Requires additional framing
for mounting.
Discharge parallel to joists.
*
Additional framing must be a 2x6 (minimum height).
*
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR
INJURY TO PERSONS, OBSERVE THE FOLLOWING:
1. Use this unit only in the manner intended by the manufacturer.
If you have questions, contact the manufacturer at the
address or telephone number listed in the warranty.
2. Before servicing or cleaning unit, switch power off at service
panel and lock the service disconnecting means to prevent
power from being switched on accidentally. When the service
disconnecting means cannot be locked, securely fasten a
prominent warning device, such as a tag, to the service panel.
3. Installation work and electrical wiring must be done by a
qualified person(s) in accordance with all applicable codes
and standards, including fire-rated construction codes and
standards.
4. Sufficient air is needed for proper combustion and exhausting
of gases through the flue (chimney) of fuel burning equipment
to prevent backdrafting. Follow the heating equipment
manufacturer’s guideline and safety standards such as those
published by the National Fire Protection Association (NFPA),
and the American Society for Heating, Refrigeration and
Air Conditioning Engineers (ASHRAE), and the local code
authorities.
5. When cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.
6. Ducted fans must always be vented to the outdoors.
7. Acceptable for use over a tub or shower when connected to
a GFCI (Ground Fault Circuit Interrupter) - protected branch
circuit.
8. Not for use in kitchens.
9. This unit must be grounded.
10. This unit is U.L. listed. Type I.C. inherently protected.
CAUTION
!
1. For general ventilating use only. Do not use to exhaust
hazardous or explosive materials and vapors.
2. This product is designed for installation in FLAT CEILINGS
ONLY. Do not mount this product in a wall.
3. The light fixture assembly must be mounted to the fan
housing assembly included with this product. Do not mount
the light fixture assembly to a wiring outlet box.
4. To avoid motor bearing damage and noisy and/or
unbalanced impellers, keep drywall spray, construction
dust, etc. off power unit.
5. Please read specification label on product for further
information and requirements.
Installer: Leave this manual with the
homeowner.
Homeowner: Use and Care
information on page 4.
PLAN THE INSTALLATION
ROOF CAP*
(with built-in
damper)
WALL CAP*
(with built-in
damper)
4-IN. ROUND
ELBOWS*
4-IN. ROUND
DUCT*
FAN
HOUSING
Seal gaps
around
housing.
Seal duct
joints with
tape.
Keep duct
runs short.
INSULATION
(Place around and
over fan housing.)
POWER
CABLE*
*Purchase
separately.
OR

Summary

Safety Warnings and Precautions

General Warning Precautions

Crucial safety advice to reduce risk of fire, electric shock, or injury to persons.

Cautionary Notes

Important cautions for general ventilating use, installation, and unit protection.

Typical Installations

Mounting to Joists and Trusses

Illustrates common mounting configurations for joists, 2x4 trusses, and 'I' joists.

Plan the Installation

Ductwork and Sealing

Guidance on duct routing, sealing gaps, and connecting to exhaust caps.

Install the Housing

New Construction

Steps for installing the fan housing in new construction, including positioning.

Existing Construction

Steps for installing the fan housing in existing construction, including tracing.

Prepare the Housing

Disassembly Steps

Instructions for unplugging the blower and removing assembly components.

Finish the Installation

Housing Placement and Sealing

Final steps for placing the housing, screwing it to joists, and sealing.

Attaching Grille

Guidance on reconnecting blower, plugging wires, and attaching the grille.

Connect the Wiring

Wiring Diagram and Procedure

Details the schematic wiring diagram and the procedure for connecting the unit.

Use and Care

Operation Guide

Instructions on how to operate the fan and LED light using switches.

Cleaning and Maintenance

Cleaning Instructions

Provides steps for cleaning the grille and interior of the fan unit.

Troubleshooting

Fan Not Running

Checks for common issues when the fan fails to operate.

Erratic Fan Operation

Troubleshooting steps for when the fan runs erratically.

Noisy Fan

Diagnosing and resolving issues causing the fan to be noisy.

Service Parts

Parts List

Lists key numbers, part numbers, and descriptions for replacement parts.

Warranty Information

Limited Warranty Details

Covers warranty period, exclusions, remedies, and how to obtain service.

Broan 791LED Specifications

General

Light Type	LED
Airflow	110 CFM
Sound Level	1.5 Sones
Voltage	120 V
Grille Finish	White
Light Output	800 Lumens
Light Color	3000K
Mounting Type	Ceiling
Housing Material	Galvanized Steel
Grille Material	Plastic
Type	Bath
Duct Size	4 inches
Motor Type	AC