NuTone QTXEN080FLT, QTXEN150FLT, QTXEN110FLT User Manual

MODELS QTXEN080FLT • QTXEN110FLT • QTXEN150FLT

!

QTXEN SERIES
FAN / LIGHT / NIGHT LIGHTS

READ AND SAVE THESE INSTRUCTIONS

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 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.

8. This unit must be grounded.

CAUTION

1. Fo r 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.

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

The fan, light, and night light can be operated separately. Use a
3-function wall control. Do not use a dimmer switch to operate
the light. See “Connect Wiring” for details. Use of speed controls
other than the NuTone Models 78V and 78W may cause a motor
humming noise.

WARRANTY

BROAN-NUTONE THREE 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 three years 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 three-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, TUBES, HALOGEN AND INCANDESCENT BULBS, FUSES,
FILTERS, DUCTS, ROOF CAPS, WALL CAPS AND OTHER ACCESSO­RIES FOR DUCTING. 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 three-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
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, 926 W. State Street, Hartford, Wisconsin 53027
www.nutone.com 888-336-3948

Register your product online at: www.nutone.com/register

AIR OR REPLACE, AT BROAN-

REP

MODELS QTXEN080FLT • QTXEN110FLT • QTXEN150FLT

COOKING AREA

Page 2

TYPICAL INSTALLATIONS

Housing mounted to I-joists.

Housing mounted to joists.

Housing mounted anywhere be-

tween I-joists using hanger bars.

Housing mounted anywhere be­tween joists using hanger bars.

INSULATION

(Can be placed

around and over

fan housing.)

FAN

HOUSING

Purchase

*

separately

The unit will operate most quietly and efficiently 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.

6-IN.
ROUND
DUCT

*

6-IN. ROUND

ELBOW(S)

*

ROOF
CAP

*

WALL
CAP

*

Housing mounted anywhere be-

tween trusses using hanger bars.

Housing mounted anywhere between

trusses using hanger bars.

PLAN THE INSTALLATION

Do not install above or

inside this area.

NOT FOR USE IN

A COOKING AREA.

45

o

Cooking

Equipment

45

o

Floor

INSTALL HOUSING & DUCT

1a. Mount

housing
to joist or
I-joist.

Use a pliers to
bend housing
TABS out

0

. Hold

to 90
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

OR

MODELS QTXEN080FLT • QTXEN110FLT • QTXEN150FLT

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)

Page 3

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.

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.

HOLE FOR OPTIONAL

SCREW MOUNTING (4)

MOUNTING

CHANNEL (2)

SCREW (2)

*

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.

CONNECT WIRING

BOTTOM EDGE

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.

OF FRAMING

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.