NuTone QTXEN080, QTXEN150, QTXEN050, QTXEN110 User Manual 2
!
QTXEN SERIES
VENTILATORS
READ AND SAVE THESE INSTRUCTIONS
MODELS QTXEN050 • QTXEN080 •
QTXEN110 • QTXEN150
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. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power
unit.
3. 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 motor with the exact service motor. The impeller
should also be replaced.
OPERATION
Use an on/off switch or speed control to operate this ventilator.
See “Connect Wiring” for details.
WARRANTY
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, 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 AND TUBES. 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 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.
NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT NUTONE’S
OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. 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 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.
NuTone, Inc., 4820 Red Bank Road, Cincinnati, OH 45227
(1-800-543-8687)
NUTONE THREE YEAR LIMITED WARRANTY
Installer: Leave this manual with the homeowner.
TYPICAL INSTALLATIONS
Housing mounted
to I-joists.
Housing mounted
anywhere between
I-joists
using
hanger bars.
MODELS QTXEN050 • QTXEN080 •
QTXEN110 • QTXEN150
Page 2
Housing mounted
anywhere between
trusses using
hanger bars.
Housing mounted
anywhere between
trusses using
hanger bars.
Housing mounted
to joists.
Housing mounted
anywhere between
joists
using
hanger bars.
PLAN THE INSTALLATION
ROOF CAP
6-IN. ROUND
DUCT
*
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
ELBOW
*
*
WALL
CAP
*
INSTALL HOUSING & DUCT
MODELS QTXEN050 • QTXEN080 •
QTXEN110 • QTXEN150
Page 3
1a. Mount
housing to
joist or I-joist.
Use a pliers to bend
housing TABS out
0
to 90
. 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.
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
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.
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