NuTone QTXE080, QTXE110, QTXE090C, QTXEN110, QTXEN080 Instructions Manual

MODELS QTXE080 • QTXEN080 • QTXE090C • QTXE110 • QTXEN110 • QTXE1102

QTXE SERIES
ULTRA SILENT

READ AND SAVE THESE INSTRUCTIONS

Page 1

TM

FANS

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 (ceiling installation only).

8. This unit must be grounded.

CLEANING & MAINTENANCE

For quiet and efficient operation, long life, and attractive appear­ance - lower or remove grille and vacuum interior of unit with the
dusting brush attachment.

The motor is permanently lubricated and never needs oiling. If the
motor bearings are making excessive or unusual noises, replace
the blower assembly (includes motor and impeller).

OPERATION

Use an on/off switch or speed control to operate this ventilator. See
“Connect Wiring” for details.
Broan Models 78V and 78W may cause a motor humming noise.

Use of speed controls other than the

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 ceilings up to a
12/12 pitch (45 degree angle). Duct connector must point up.
DO NOT MOUNT THIS PRODUCT IN A WALL.

3. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power
unit.

4. Please read specification label on product for further informa­tion and requirements.

Installer: Leave this manual with the homeowner.

MODELS QTXE080 • QTXEN080 • QTXE090C • QTXE110 • QTXEN110 • QTXE1102

Cooking

Equipment

Floor

COOKING AREA

Do not install above or

inside this area.

45

o

45

o

NOT FOR USE IN

A COOKING AREA.

Page 2

TYPICAL INSTALLATIONS

Housing mounted to
I-joists.

Housing mounted any­where between
I-joists
using
hanger bars.

Housing mounted to
joists.

Housing mounted
anywhere between
trusses using hang­er bars.

PLAN THE INSTALLATION

Housing mounted
anywhere between
joists
using
hanger bars.

Housing mounted
anywhere between
trusses using hang­er bars.

Seal duct

joints with

tape.

6-IN.

ROUND

ELBOWS*

ROOF CAP*

(with built-in

damper)

Keep duct

runs short.

OR

WALL CAP*

(with built-in

damper)

HOUSING

POWER
CABLE*

Seal gaps

around

Housing.

6-IN. ROUND

*Purchase
separately.

INSULATION*

(Place around and

over Fan Housing.)

FAN

DUCT*

The ducting from this fan to the outside of the building has a strong
effect on the air flow, noise and energy use of the fan. Use the
shortest, straightest duct routing possible for best performance,
and avoid installing the fan with smaller ducts than recommended.
Insulation around the ducts can reduce energy loss and inhibit
mold growth. Fans installed with existing ducts may not achieve
their rated airflow.

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.

MODELS QTXE080 • QTXEN080 • QTXE090C • QTXE110 • QTXEN110 • QTXE1102

INSTALL HOUSING & DUCT

1a. Mount

housing to
joist or I-joist.

Use a pliers to bend

housing TABS out
to 900. Hold housing
in place so that
the housing tabs
contact the bottom
of the joist. The
housing mounts
with four (4) screws
or nails. Screw or
nail housing to joist
through lowest
holes in each
mounting flange,
then through
highest holes.
NOTE: Mounting to
I-JOIST (shown)
requires use
of SPACERS
(included) between
the highest hole
of each mounting
flange and the
I-joist.

(use for mounting to I-Joist)

TABS

SPACER

I-JOIST

Page 3

HOLE FOR OPTIONAL

SCREW MOUNTING (4)

NAIL (4)

Extend HANGER BARS to the width of the framing.
Hold ventilator in place with the hanger bar tabs wrapping

around the BOTTOM EDGE OF THE FRAMING.

NAIL ventilator 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.

SCREW (2)

*

BOTTOM EDGE

OF FRAMING

OR

1b. Mount housing anywhere between

trusses, joists, or I-joists using hanger
bars.

Sliding hanger bars are provided to allow for accurate posi-

tioning 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”.

TAB

SCREWS (4)

STD

HANGER

BAR (4)

Attach the MOUNTING CHANNELS to the housing using the
SCREWS supplied. Make sure TABS face “up” as shown. Use
the set of channel mounting holes (marked “STD”) to mount the
housing flush with the bottom of the drywall. Use the other set
of holes (not marked) to mount the housing flush with the top of
the drywall.

MOUNTING

CHANNEL (2)

2. Attach
damper/duct
connector.

Snap damper /

duct connector
onto housing.
Make sure con­nector is flush with
top of housing and
damper flap falls
closed.

3. Install
6-inch
round duct­work.

Connect 6-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.

MODELS QTXE080 • QTXEN080 • QTXE090C • QTXE110 • QTXEN110 • QTXE1102

Page 4

CONNECT WIRING

4. Connect electrical wiring.

Run 120 VAC house wiring to installation location. Use

proper UL approved connector to secure house wiring to
wiring plate. Connect wires as shown in wiring diagrams.

INSTALL GRILLE

5. Finish ceiling.

Install ceiling material. Cut out around housing.

6. Attach grille
to housing.

Squeeze grille

springs and insert
them into slots on
each side of hous­ing.

7. Push grille
against

ceiling.

99045936A