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Broan 744L - User Manual

Broan 744L
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MODELS 744L • 744RL • 744RNL
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR IN-
JURY 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 equip-
ment 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 authori-
ties.
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. Never place a switch where it can be reached from a tub or
shower.
8. A dimmer switch may be used to operate the light in this unit.
Refer to the list of compatible dimmer switches on broan.com.
9. Install this unit in a flat ceiling only.
10. For use in non fire rated installations only.
11. Not for use in environmental air handling spaces.
12. If this unit is to be installed over a tub or shower, it must be
marked as appropriate for the application and be connected
to a GFCI (Ground Fault Circuit Interrupter) - protected branch
circuit.
13. Do not install in a ceiling thermally insulated to a value greater
than R60.
14. This unit must be grounded.
CAUTION
!
1. For general ventilating use only. Do not use to exhaust
hazardous or explosive materials and vapors.
2. To avoid motor bearing damage and noisy and/or unbalanced
impellers, use the cardboard protector (provided) to keep
drywall spray, construction dust, etc. off power unit.
3. Please read specification label on product for further
information and requirements.
RECESSED
LED FAN / LIGHT
READ AND SAVE THESE INSTRUCTIONS
To clean trim ring / baffle: Vacuum with a soft brush attachment
or remove trim ring / baffle and clean with a soft cloth and mild
soap or detergent. Dry thoroughly before reinstalling.
To clean inside of housing: Remove trim ring / baffle and
vacuum inside of housing with a soft brush attachment.
OPERATION
The fan and light can be operated using various combinations of
on/off switches and controls:
Fan and light controlled with single on/off switch
Fan and light controlled with separate on/off switches
Fan controlled with timer control
Selectable fan CFM - 50 or 80
See “Connect Wiring” section for various wiring options.
CLEANING
MAINTENANCE
Motor is permanently lubricated. Do not oil or disassemble motor.
For Warranty Statement, Service Parts, Technical
Support, or to Register your product, please visit our
website or call:
In the United States - Broan.com 800-637-1453 or
NuTone.com 888-336-6151. In Canada - Broan.ca or
NuTone.ca 877-896-1119
Installer: Leave this manual with
the homeowner.
HOUSING
MOUNTING
BRACKET
CEILING
JOIST
POWER
CABLE
TRIM RING / BAFFLE
FINISHED CEILING
4" ROUND
DAMPER/DUCT
CONNECTOR &
4” ROUND
DUCTWORK
PLAN THE INSTALLATION
The unit can be installed anywhere between ceiling joists using
mounting brackets provided.
* Install in a flat ceiling only.
Typical Installation
*
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Summary

Safety Warnings and Precautions

General Safety Instructions

Instructions for reducing risk of fire, electric shock, or injury to persons during installation and use.

Electrical and Installation Standards

Requirements for qualified personnel, fire-rated construction, and local codes.

Combustion and Ventilation Requirements

Guidelines for proper air supply for fuel-burning equipment and exhaust venting.

Installation Location and Wiring

Rules on avoiding utilities, venting outdoors, switch placement, ceiling type, and GFCI protection.

General Cautionary Notes

Use for general ventilation only; avoid hazardous materials and protect motor bearings.

Operation and Cleaning Instructions

Fan and Light Operation

Explains how to operate the fan and light using various switch combinations and selectable CFM.

Cleaning Trim Ring and Housing

Instructions for cleaning the trim ring/baffle and the inside of the housing.

Installation Guide

Ducting and Airflow Considerations

Importance of shortest, straightest duct routing for optimal airflow, noise, and energy efficiency.

Cooking Area Restriction

Prohibits installation above or inside a cooking area.

Mounting Bracket Installation

Steps for installing mounting brackets, ensuring a 1/8" gap from the ceiling material.

Housing Attachment and Securing

Instructions for hanging the housing on nails and securing it for a noise-free mount.

Wiring and Final Assembly

Damper;Duct Connector Attachment

How to snap the damper/duct connector onto the housing and install ductwork.

Power Cable Direction Choice

Options for routing the power cable horizontally or vertically.

Electrical Wiring Connections

Guidance on connecting power cables for single or separate on/off switch configurations.

Motor Speed Selection

Using the rocker switch to select between 50 or 80 CFM for desired room conditions.

Finishing Ceiling and Bulb Installation

Ceiling Opening Preparation

Cutting an opening in the finished ceiling material for the housing collar.

Trim Ring;Baffle Attachment

Steps to attach the trim ring/baffle to the housing using springs.

Bulb Installation and Cautions

Installing the bulb, specifying maximum wattage and types for wet locations.

Broan 744L Specifications

General IconGeneral
BrandBroan
Model744L
CategoryHome Lighting
LanguageEnglish