NuTone 765HFL User Manual

REGISTER YOUR PRODUCT ONLINE AT

HOUSING

CEILING

JOIST, TRUSS,

OR I-JOISTS

MOUNTING
CHANNELS

GRILLE

CEILING

MATERIAL

POWER

CABLES

www.nutone.com/register

VENTILATION FAN
WITH HEATER & FLUORESCENT LIGHT

READ AND SAVE THESE INSTRUCTIONS

MODEL 765HFL

Page 1

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. Lock or tag service panel to prevent power from being
switched on accidentally.

3. Installation work and electrical wiring (including switch location)

must be done by a qualied person(s) in accordance with all

applicable codes and standards.

4. Provide sufcient air for proper combustion and exhausting of
gases through the ue (chimney) of fuel burning equipment

to prevent backdrafting. Follow the combustion equipment
standards such as those published by the National Fire Pro­tection Association (NFPA), the American Society for Heating,
Refrigeration and Air Conditioning Engineers (ASHRAE), and
local codes.

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. Provide a separate 20 AMP circuit. Use 12 GA., 90o C minimum
power cable which meets code.

8. Do not use a speed control with this product.

9. This unit must be grounded.

CAUTION

1. For general ventilating use only. Do not use to exhaust hazard­ous or explosive materials and vapors.

2. THIS PRODUCT MUST BE MOUNTED IN A FLAT CEILING
ONLY. Installations in ceilings 9-feet high or less will provide

maximum comfort. DO NOT MOUNT THIS PRODUCT IN A

WALL.

3. Install in ceiling only - at least 6 inches from any wall.

4. To avoid motor bearing damage and noisy, unbalanced impel­lers, keep drywall spray, construction dust, etc. off motor and
impeller.

5. Read specication label on product for information and require­ments.

OPERATION

Use a 3-Function Control to operate the heater, fan, and light
separately. See “Connect Wiring” for details.

WARRANTY

BROAN-NUTONE ONE YEAR LIMITED WARRANTY

Broan-NuTone warrants to the original consumer purchaser of its products that such products
will be free from defects in materials or workmanship for a period of one year from the date
of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE.
During this one-year period, Broan-NuTone will, at its option, repair or replace, without
charge, any product or part which is found to be defective under normal use and service.
THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS AND
TUBES. This warranty does not cover (a) normal maintenance and service or (b) any
products or parts which have been subject to misuse, negligence, accident, improper
maintenance or repair (other than by Broan-NuTone), faulty installation or installation
contrary to recommended installation instructions.
The duration of an implied warranty is limited to the one-year period as specified for the
express warranty. Some states do not allow limitation on how long an implied warranty
lasts, so the above limitation may not apply to you.
BROAN-NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE’S
OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER
THIS WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CON­SEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH
PRODUCT USE OR PERFORMANCE. Some states do not allow the exclusion or limitation
of incidental or consequential damages, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which
vary from state to state. This warranty supersedes all prior warranties.
To qualify for warranty service, you must (a) notify Broan-NuTone at the address or telephone
number stated below, (b) give the model number and part identification and (c) describe
the nature of any defect in the product or part. At the time of requesting warranty service,
you must present evidence of the original purchase date.
Broan-NuTone LLC Hartford, Wisconsin www.nutone.com 888-336-3948

Installer: Leave this manual with

the homeowner.

TYPICAL INSTALLATION

CLEANING & MAINTENANCE

For quiet and efcient operation, long life, and attractive appear­ance - lower or remove grille and vacuum interior of fan with a
dusting brush attachment.

The motor is permanently lubricated and never needs oiling. If

the motor bearings make excessive or unusual noise, replace
the motor with the exact service motor. The impeller should also

be replaced.

Replace light bulb with a 27-Watt, 3500K (maximum) GU24
uorescent lamp.

Housing mounted to joists, trusses, or I-joists.

Up to 24-inches on-center.

MODEL 765HFL

Page 2

PLAN THE INSTALLATION

INSULATION

(Can be placed

around and over

housing.)

HOUSING

4-IN.

ROUND

Purchase

*

separately

The unit will operate most quietly and efciently when located

where the shortest possible duct run and minimum number of
elbows will be needed.

Use a roof cap or wall cap that has a built-in damper to reduce
backdrafts.

Plan to supply the unit with proper line voltage and appropriate
power cable.

DUCT *

4-IN. ROUND

ELBOW(S) *

ROOF
CAP

*

WALL
CAP

*

INSTALLATION

HANGER

BARS

CHANNEL

TAB

HOLE FOR OPTIONAL

SCREW MOUNTING (4)

NAIL (4)

* SCREW (2)

BOTTOM EDGE

OF FRAMING

2. Mount housing.

Extend hanger bars to the width of the framing. Hold fan

in place with the hanger bar tabs wrapping around the
bottom edge of the framing.

Nail fan to framing or fasten with screws (not provided)

through holes near nails.

* To ensure a noise-free mount: Secure hanger bars

together with screws or use a pliers to crimp mounting
channels tightly around hanger bars.

3. Attach
damper
/ duct
connector to
housing.

Snap damper /

duct connector
onto housing.
Make sure

connector is ush

with top of housing

and damper ap

falls closed.

CHANNEL

HANGER

BARS

1. Insert hanger bars.

Four (4) sliding hanger bars are provided to allow for

accurate positioning of housing anywhere between
framing. They can be used on all types of framing (I-joist,
standard joist, and truss construction) and span up to 24”.

Slide hanger bars into channels on housing. Make sure

hanger bar tabs face “up” as shown.

4. Install 4­inch round
ductwork.

Connect 4-inch

round ductwork
to damper / duct
connector. Run
ductwork to a roof
cap or wall cap.
Tape all ductwork
connections to
make them secure
and air tight.

MODEL 765HFL

B L U

B L K

B L K

W H T

W H T

W H T

R E D

W H T

G R D

U N I T

L I G H T
S W I T C H

V E N T
S W I T C H

H E A T
S W I T C H

L I N E

I N

R E D

B L K

W H T

B L K

W H T

G R D

D O U B L E - G A N G S W I T C H B O X

L I G H T

V E N T

H E AT

GREEN

WHITE

to

WHITE

HEAT

LIGHT

GROUND

120 VAC LINE IN

BLACK

BLACK

FAN

RED

WIRING PLATE
FROM VENTILATOR

VENTILATOR

HOUSING

LIGHT

&

FAN

HEAT

BLACK to BLACK

(Fan)

WHITE to WHITE

RED to BLUE

(Light)

BLACK to RED

(Heat)

WHITE to WHITE

BLACK

Page 3

CONNECT WIRING

CAUTION

RATING
SPECIFICATIONS

Each two-position rocker
switch is rated 15 A @
120VAC. The total load
on this control must not
exceed 20 A @ 120VAC.

INSTALL GRILLE & BULBS

8. Plug-in
light.

Hold grille

assembly up near
housing. Connect
light plug from
grille assembly to
receptacle inside
of housing.

9. Attach
grille.

Place grille/

reector

combination
over protruding
screw and
fasten in place
using acorn nut
provided. HAND
TIGHTEN acorn
nut 1/4 turn after
it is snug.

SCREW

ACORN NUT

GRILLE

LIGHT

REFLECTOR

USE

THIS

HOLE

BOTTOM VIEW

5. Connect electrical wiring.

Run 120 VAC house wiring to installation location. Use

proper UL approved connectors to secure house wiring to
wiring plate. Connect wires as shown in wiring diagram(s).

INSTALL GRILLE & BULB

6. Finish ceiling.

Install ceiling material. Cut out ceiling material closely

around housing.

7. Remove
light lens
from grille.

Insert a small

at-bladed

screwdriver into
the slot at one
end of the light
lens. Carefully pry
the lens out.

10. Install bulb.

The unit accepts

a 27-Watt,
3500K, GU24

uorescent

lamp. Insert tabs
on lamp base
into slots in lamp
receptacle and
gently twist lamp
clockwise.

11. Attach
light lens.

Hook the tabs

on one end of
the lens into the
slot in the grille.
Lift other end
of lens up and
snap into place.