NuTone ULTRA SILENT QTRN, ULTRA SILENT QTREN110, ULTRA SILENT QTREN, ULTRA SILENT QTREN080, ULTRA SILENT QTRN050F Instructions Manual

QTRN / QTREN SERIES
ULTRA SILENTTM FANS

READ AND SAVE THESE INSTRUCTIONS

MODELS QTREN080 • QTREN110

Page 1

To register this

product visit:

www.nutone.com

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.

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.

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. 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 REPAIR OR REPLACE, AT BROAN­NUTONE’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

Installer: Leave this manual with the homeowner.

TYPICAL INSTALLATIONS

Housing mount­ed to I-joists.

Housing mount­ed anywhere
between
I-joists
using
hanger bars.

MODELS QTREN080 • QTREN110

Housing mount­ed anywhere
between trusses
using hanger
bars.

PLAN THE INSTALLATION

COOKING AREA

Do not install above or

inside this area.

45

o

45

o

Page 2

Housing mount­ed to joists.

Housing mount­ed anywhere
between
joists
using
hanger bars.

Housing mount­ed anywhere
between truss­es using hanger
bars.

NOT FOR USE IN

A COOKING AREA.

INSULATION*

(Place around and

over Fan Housing.)

FAN

HOUSING

POWER
CABLE*

Seal gaps

around

Housing.

4-IN. ROUND

DUCT*

*Purchase
separately.

Seal duct
joints with

tape.

Cooking

Equipment

4-IN.

ROUND

ELBOWS*

Floor

ROOF CAP*

(with built-in

damper)

Keep duct

runs short.

OR

WALL CAP*

(with built-in

damper)

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.

INSTALL HOUSING & DUCT

MODELS QTREN080 • QTREN110

Page 3

1a. Mount

housing to
joist or I-joist.

Use a pliers to bend
housing TABS out

0

. Hold housing

to 90
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.

TABS

SPACER

(use for mounting to I-Joist)

OR

I-JOIST

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

1b. Mount housing anywhere between

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

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”.

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
4-inch
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.