NuTone 8310 User Manual

INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

IMPORTANT SAFETY INSTRUCTIONS

WARNING: TO REDUCE THE RISK OF FIRE.
ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:

A. Use this unit only in the manner intended by the

manufacturer. If you have questions, contact the
manufacturer.

B. Before servicing or cleaning unit, switch power off at

service panel and lock service panel 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.

CAUTION:

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

INSTALLATION INSTRUCTIONS

WARNING: TO REDUCE THE RISK OF FIRE,
ELECTRIC SHOCK, OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:

A. Installation work and electrical wiring must be done by

qualified person(s) in accordance with all applicable codes
and standards, including fire-rated construction.

B. Sufficient air is needed for proper combusition and

exhausting of gases through the flue (chimney) of fuel
burning equipment to prevent back drafting. 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.

C. When cutting or drilling into wall or ceiling, do not damage

electrical wiring and other hidden utilities.
D. Ducted fans must always be vented to the outdoors.
E. If this unit is to be installed over a tub or shower, it must be

marked as appropriate for the application.

F. NEVER place a switch where it can be reached from a tub

or shower.

• Do not mount over tub or in shower enclosure.

• Suitable for use with solid-state speed controls.
If the installation presents a problem that is not explained

here or if any parts of these instructions are not clear, consult
a professional installer. If you are not familiar with methods of
installing electrical wiring, or if you are not certain as to the
correctness of any step or procedure described, secure the
services of a qualified electrician.

INSTALLING THE HOUSING

• Cutout dimension: 9" diameter

• Blade Size: 8"

• Grille Diameter: 101⁄2"

MPORTANT: Remove shipping tape that secures louver.

1. Slide hanger bars (adjustable for 24" O.C. joists) through
tabs in housing. Nail one hanger bar to joist and slide
ventilator to desired position. Nail second hanger bar to
joist: cocking it slightly to clamp fan into place.

8˝ Round Fan

MODEL: 8310

MAKING CONNECTIONS

IMPORTANT: Prior to making wiring connections,

disconnect electrical power at the main source and leave it off
until the installation is complete. All wiring must comply with
electrical codes.

1. Refer to Figure 1. Place wiring into the outlet box. Secure
the connections with approved wire connectors and
replace the cover plate.

2. Refer to Figure 2. Run 120vAC wiring (with ground) from
main source through wall switch to the fan location.

3. Using wire nuts, connect supply wires to fan wires as
follows: black to black, white to white. Connect ground wire
to green ground screw.

4. Use electrical tape to insulate all wire nut connections.

5. Replace junction box cover and secure with screw.

6. Refer to Figure 3. Install outside wall cap with flange
against outside of brick or sheathing, allowing sufficient
room around flange for caulking. Connect discharge
opening in fan housing to outside wall cap with standard
31⁄2" x 10" duct.

7. Refer to Figure 4. For vertical discharge installations, use
elbow and 31⁄4" x 10" ductwork extended into roof cap.

FIGURE 1

FIGURE 2

FIGURE 3

FIGURE 4

BLACK HOT

WHITE
COMMON

GREEN GROUND

GROUND SCREW

FAN
JUNCTION
BOX

BLACK
HOT

WHITE
COMMON

GREEN
GROUND

WALL
VENT

90°
ELBOW

WALL

FAN

120vAC 60 Hz

ROOF
VENT

EAVE
VENT

90°
ELBOW

FAN