MODEL QTRE080R
Page 1
ULTRA SILENT
TM
VENTILATION FAN
READ AND SAVE THESE INSTRUCTIONS
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
CAUTION
1. F o r 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.
be grounded.
To register this product visit:
www.broan.com
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. Use of speed controls other than the
Broan Models 78V and 78W may cause a motor humming noise.
WARRANTY
Broan 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 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 Broan), 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’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN’S OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY
UNDER THIS WARRANTY. BROAN SHALL
DENTAL, 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 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 Hartford, Wisconsin
www.broan.com 800-558-1711
BROAN THREE YEAR LIMITED WARRANTY
NOT BE LIABLE FOR INCI-
Installer: Leave this manual with the homeowner.
MODEL QTRE080R
Page 2
TYPICAL INSTALLATIONS
A mounting frame is provided to allow for accurate
positioning of the fan anywhere in the room. It can be
used with I-joists, standard joists and trusses, from 16” to
24” on-center.
Housing
mounted
anywhere
between
I-joists
using
mounting
frame.
Housing
mounted
anywhere
between
standard
joists
using
mounting
frame.
PLAN THE INSTALLATION
COOKING AREA
Do not install above or
inside this area.
NOT FOR USE IN
A COOKING AREA.
4-IN. ROUND
DUCT
*
* Purchase
separately
o
45
Cooking
Equipment
ROOF CAP *
4-IN. ROUND
ELBOW
*
45
o
Floor
WALL
CAP
*
Housing
mounted
anywhere
between
trusses using
mounting
frame.
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.
MODEL QTRE080R
NEW CONSTRUCTION INSTALLATION
Page 3
INSTALL MOUNTING FRAME
& HOUSING
MOUNTING
TABS
FRAMING
MEMBER
DUCT
CONNECTOR
DUCT CONNECTOR
BRACKET
1. Hold one side of the mounting frame so the tabs
touch the bottom edge of the framing member. Nail or
screw mounting frame in place. Extend the mounting
frame to the opposite framing member, and nail or
screw in place.
2. Snap the duct connector onto the duct connector
bracket. Attach the duct connector bracket to the
mounting frame using the screw provided. Position
the bottom edge of the duct connector bracket so it
will be flush with the finished surface of the ceiling
and tighten the screw.
FRAME
SCREW
OR NAIL (4)
SCREW
(provided)
TABS
INSTALL DUCTWORK
4. Connect 4” round ductwork to duct connector. Run
ductwork to a roof cap or wall cap. Tape all ductwork
connections.
INSTALL ELECTRICAL WIRING
HOUSING
SCREW (5)
(provided)
3. Position the two movable brackets of the mounting
frame directly across from each other and insert the
housing into the mounting frame until it touches the
duct connector bracket. Secure the housing to the
mounting frame and duct connector bracket using the
(5) screws provided. Position the housing horizontally
as desired.
5. Run 120 VAC housing wiring to installation location.
Use a UL approved connector to secure house wiring
to wiring plate. Connect wires as shown in wiring
diagrams.
INSTALL THUMBSCREW
& GRILLE
THUMBSCREW
EXISTING CONSTRUCTION INSTALLATION
MODEL QTRE080R
Page 4
6. Install thumbscrew through flange of motor plate as
shown.
7. Install ceiling material. Cut out around housing.
8. Squeeze grille springs and insert them into slots on
each side of housing. Push grille against ceiling.
REMOVE EXISTING FAN
WARNING
Before removing existing fan, 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.
EXISTING
FAN
12”
CEILING
FRAMING
1. Enlarge the ceiling opening around the existing fan to
11” x 1 2” . The 11” dimension should run parallel to the
ceiling framing.
11”
INSTALL MOUNTING FRAME
3. Bend the four tabs back against the sides of the
mounting frame. Insert the mounting frame through
the ceiling opening and let it rest on the back side of
the ceiling material, directly over the ceiling opening.
Position one side of the mounting frame so it touches
the framing member. Nail or screw mounting frame
in place. Extend the mounting frame to the opposite
framing member, and nail or screw in place.
CONNECT DUCTWORK
EXISTING
DUCTWORK
FRAMING
MEMBER
MOUNTING
FRAME
SCREW OR
NAIL (4)
DUCT
CONNECTOR
2. Carefully remove the existing fan housing from the
ceiling. Disconnect the ductwork and electrical wiring
from the housing and leave them in place above the
ceiling.
DUCT CONNECTOR
BRACKET
4.
Snap the duct connector onto the duct connector
bracket. Retrieve the existing ductwork from above the
ceiling and connect it to the duct connector. Tape the
connection. NOTE:
a short length of 4” flexible duct. Existing 3” ductwork
will require a 3” to 4” transition.
Existing rigid ductwork will require
MODEL QTRE080R
Page 5
EXISTING
ELECTRICAL
WIRING
WIRING
PLATE
MOUNTING
FRAME
DUCT CONNECTOR
BRACKET
5.
Attach the duct connector bracket to the mounting
frame using the (1) screw provided. Position the bottom
edge of the duct connector bracket so it touches the
finished surface of the ceiling and tighten the screw.
SCREW
(provided)
(shown
removed
from fan
housing)
CONNECT ELECTRICAL WIRING
INSTALL HOUSING
HOUSING
SCREW (5)
(provided)
7. Position the two movable brackets of the mounting
frame directly across from each other and insert the
housing into the mounting frame until it touches the
duct connector bracket. Secure the housing to the
mounting frame and duct connector bracket using
the (5) screws provided.
6. Retrieve the existing electrical wiring from above the
ceiling and use a UL approved connector to secure
it to the wiring plate. Re-attach wiring plate to fan
housing, if necessary. Connect wires as shown in
wiring diagrams.
INSTALL THUMBSCREW
& GRILLE
THUMBSCREW
8. Install thumbscrew through flange of motor plate as
shown.
9. Squeeze grille springs and insert them into slots on
each side of housing. Push grille against ceiling.
SERVICE PARTS
Key No. Part No. Description
1 97018118 Housing
2 97016449 Duct Connector-4”
3 98010102 Wiring Plate
4 99170245 Screw, #8-18 X .375 (7 Req.)
5 97018010 Wire Panel/Harness Assembly
6 97017853 Blower Assembly
7 97016497 Grille Assembly
(includes key no. 8)
8 99140199 Grille Spring (2 req’d)
9 98010614 Duct Connector Bracket
10 97018138 Frame Assembly
11 99420665 Thumbscrew, #8-18 x .375
Order service parts by “Part N o.” - not by “Key No.”
MODEL QTRE080R
Page 6
SERVICE NOTE To remove Blower Assembly: Unplug
motor. Remove thumbscrew (11) from motor plate flange.
Find the single TAB on the motor plate (located next
to the receptacle). Push up near motor plate tab while
pushing out on side of housing. Or insert a straight-blade
screwdriver into slot in housing (next to tab) and twist
screwdriver.
Replacement parts
can be ordered on our
website. Please visit us
at www.broan.com
MODEL QTRE080R
Page 7
MODEL QTRE080R
Page 8
99044515B
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