Broan QTX110HFLT User manual

Page 1
MODEL QTX110HFLT
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR IN-
JURY 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 ser-
vice 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 equip-
ment 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 authori-
ties.
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. Provide a separate 20 AMP circuit. Use 12 GA. power cable
of type which meets code.
8. This unit must be grounded.
CAUTION
1. For general ventilating use only. Do not use to exhaust hazard-
ous or explosive materials and vapors.
2. This product is designed for installation in ceilings up to a
12/12 pitch. 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 informa-
tion and requirements.
QTX SERIES HEATER / FAN /
FLUORESCENT LIGHT /
NIGHT LIGHT
READ AND SAVE THESE INSTRUCTIONS
CLEANING & MAINTENANCE
WARRANTY
Installer: Leave this manual with the homeowner.
For quiet and efficient operation, long life, and attractive appear-
ance - 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.
Replace light bulbs with (2) 18-Watt 3500K (maximum), GU24
based fluorescent lamps and (1) 7-Watt night light bulb.
OPERATION
Use a 4-Function Control to operate the heater, fan, light, and
night light separately. See “Connect Wiring” for details.
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 WARRAN-
TIES 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
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-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 BROAN-
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.B

Page 2
MODEL QTX110HFLT
TYPICAL INSTALLATION
HOUSING
CEILING
JOIST, TRUSS,
OR I-JOISTS
MOUNTING
CHANNELS
GRILLE
CEILING
MATERIAL
POWER
CABLES
Housing mounted directly to joists, trusses, or
I-joists.
Up to 24-inches on-center.
PLAN THE INSTALLATION
INSTALLATION
2. Mount hous-
ing.
Secure hous-
ing to ceiling
structure with (4)
mounting screws.
Make sure bottom
of housing will be
flush with finished
ceiling material.
1. Insert
mounting
brackets.
Slide the (4)
mounting brack-
ets into the chan-
nels on each end
of the housing.
3. Attach
damper
/ duct
connector
to housing.
Snap damper /
duct connector
onto housing.
Make sure con-
nector is flush
with top of hous-
ing and damper
flap falls closed.
4. 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 con-
nections to make
them secure and air tight.
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.
ROOF
CAP *
6-IN. ROUND
ELBOW(S) *
6-IN.
ROUND
DUCT *WALL
CAP *
*Purchase
separately
INSULATION
(Can be placed
around and over
fan housing.)
FAN
HOUSING

Page 3
MODEL QTX110HFLT
8. Plug-in
light.
Hold grille as-
sembly up near
housing. Connect
light plug from
grille assembly to
receptacle inside
of housing.
INSTALL GRILLE & BULBS
9. Attach
grille.
Remove the (2)
grille mounting
screws from
the sides of the
housing. (See
Step 8 illustra-
tion.) Use these
screws to attach
the grille to
the housing as
shown.
To avoid damage to the grille: DO NOT OVERTIGHTEN
SCREWS. Tighten screws only until grille is snug against
ceiling material.
10. Install
bulbs.
The unit
accepts (2)
18-Watt 3500K
(maximum),
GU24 based
fluorescent
bulbs and (1)
7-Watt night
light bulb.
11. Attach
light lens.
Hook the tabs
on one end of
the lens into the
slot in the grille.
Lift other end
of lens up and
snap into place.
GRILLE MOUNTING
SCREWS
5. Connect electrical wiring.
Run 120 VAC house wiring to installation location. Use
proper UL approved connectors to secure house wiring to
wiring plate. Connect wires as shown in wiring diagram(s).
CONNECT WIRING
INSTALL GRILLE & BULBS
7. Remove
light lens
from grille.
Insert a small
flat-bladed screw-
driver into the slot
at one end of the
light lens. Care-
fully pry the lens
out.
6. Finish ceiling.
Install ceiling material. Cut out ceiling material closely
around housing.
GREEN
WHITE
to
WHITE
HEAT (2-position rocker)
LIGHT (red)
NIGHT LIGHT (blue)
(3-position rocker)
4-FUNCTION CONTROL
GROUND
120 VAC LINE IN
BLACK to BLUE
BLACK to RED
BLACK to BLACKS
FAN (2-position rocker)
RED
WIRING PLATE
FROM VENTILATOR
VENTILATOR
HOUSING
LIGHT
&
FAN
HEAT
&
NIGHT LIGHT
BLACK to BLUE
(Light)
WHITE to WHITE with red stripe
RED to RED
(Fan)
RED to BLACK
(Heat)
BLACK toYELLOW
(Night Light)
WHITE to WHITE
RED
CAUTION
RATING SPECIFICATIONS
The three-position
rocker switch is rated 5
A @ 125VAC. Use this
switch for Lights ONLY.
Each two-position rocker
switch is rated 15 A @ 120VAC. Use these switches for Heat and Vent.
The total load on this control must not exceed 20 A @ 120VAC.
Broan 4-Function
Control shown
(purchase separately)

Page 4
MODEL QTX110HFLT
SERVICE PARTS
Key No. Part No. Description
1 97016470 Housing
2 98007763 Slide Channel (2 req.)
3 98003036 Support Angle (4 req.)
4 97016450 Duct Connector
5 99170245 Screw #8-18 X .375 (8 req.)
6 93260454 Nut, Sheet Metal #8-18 (Partition)
(2 req.)
7 99260512 Nut, Sheet Metal #8-18 (Grille)
(3 req.)
8 98010091 Cover/KO Panel
9 99150471 Screw, Ground (2 req.)
10 97018049 Wire Panel/Harness Assembly
11 98010090 Wire Compartment
12 98010089 Mounting Bracket-Heater
13 99150415 Screw #8-18 X .250 (4 req.)
14 99260488 Nut, Hex #10-24 (5 req.)
15 97016564 Heater Scroll
16 99020283 Wheel-Heater
17 99260423 Nut, Hex #8-32 (4 req.)
18 98010088 Motor Mount
19 99080558 Motor-Heater
20 97016565 Heating Element
(includes Key No. 7)
97016566 Heater Scroll Assembly
(includes Key Nos. 12 thru 20)
21 99020284 Wheel-Fan
22 99080556 Motor-Fan
23 99100491 Isolator (4 req.)
24 97016471 Partition
25 99250959 Washer (4 req.)
26 99260558 Nut, Hex Lock #8-32 (4 req.)
97016567 Blower Assembly
(includes Key Nos. 21 thru 26)
27 93150459 Screw #8-18 X .500 (2 req.)
28 97018035 Grille Assembly
(includes Key No. 29)
29 99111460 Lens
30 99150622 Screw, Grille #8-18 X 2.000 (2 req.)
31 99271381 Lamp, Fluorescent
18 W, 3500K, GU24 (2 req.)
99044478A