NuTone 791LEDNT Instruction Manual download pdf (Page 3)

Page 3

MODEL 791LEDNT

BLK

VENT

SWITCH

BLU

BLK

WHT

LIGHT

(WHITE)

GRD

VENT

(BLACK)

UNIT

SWITCH BOX

LIGHT

SWITCH

LINE

BLK

RED

WHT

GRD

SCHEMATIC WIRING DIAGRAM

FINISH THE INSTALLATION

INSTALL THE DUCTWORK

NOTE: The duct connector has a counter-balanced damper

flap. The flap will be “open” approx. 1” when duct connector

is attached to housing. This design permits insulation to be

in direct contact with fan/light housing per UL (Underwriters

Laboratories) standards. The slightest backdraft, however,

will close the damper flap, preventing air from entering unit

or finished space.

CONNECT THE WIRING

1. Connect 4” round

duct to damper/

duct connector

and extend duct

to outside through

a roof or wall cap.

Check damper to

make sure that it

opens freely. Tape

all duct connections to make them secure and air tight.

1. Wire unit as shown. Re-install wiring plate removed in

Step 2 under “PREPARE THE HOUSING”.

2. Run electrical cable as direct as possible to unit. Do not

allow cable to touch sides or top of unit after installation

is complete.

2. Locate grille over fan housing. Squeeze grille springs

together and insert springs into slots in sides of

housing.

3. Connect LED wire connectors together.

4. Push grille up against ceiling.

4. Place housing in

opening so that

its bottom edge is

flush with finished

ceiling. Screw

housing to joist

through holes in

housing as shown.

5. Seal between

ceiling material and

housing to prevent

air leakage.

SEAL BETWEEN CEILING

MATERIAL & HOUSING

MOUNTING SCREWS

1. Re-install blower

assembly removed in

Step 1 under “PREPARE

THE HOUSING”. Plug

blower into black

receptacle and light plug

into white receptacle.

USE AND CARE

Operation

To Operate Fan and Light

Use only an ON/OFF or timer switch to operate the fan.

Use only an ON/OFF switch, timer switch or relay-switch

to operate the LED light.

The LED light cannot be used with a dimmable switch.

Both the fan and LED light can be put on one switch.

WARNING 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.

LED WIRE

CONNECTORS

GRILLE

SPRINGS

SWITCH BOX

LIGHT

FAN

DUAL CONTROL

(purchase separately)

WHITE

BLACK

RED

GROUND

(bare)

120 VAC LINE IN

BLUE

BLACK

RECEPTACLE

(FAN)

WHITE

RECEPTACLE

(LIGHT)

1 2 3 4 5 6 7 8

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NuTone 791LEDNT Instruction Manual Page 3

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