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INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

FOR BEST RESULTS

In a new construction site, install the housing during rough-in

construction of the building. The blower assembly, light, and grille
should be installed when the finished ceiling is in place.

Installation in an existing, finished building requires an accessible

area (attic or crawl space) above the planned location. See
“INSTALLATION IN EXISTING CONSTRUCTION.”

INSTALLATION IN A NEW CONSTRUCTION SITE

Preparation of Housing Assembly

CAUTION: 

When handling the power unit, do not reach in the end

openings and bend the blower wheels.

1.

Refer to Figure 1.

Remove power unit from housing assembly.

A. If necessary, unplug power plug from mating connector.
B. Loosen wing nuts on hanger rods that hold the power unit.
C. Unfasten hanger rods from slots and remove power unit.
D. Set power unit aside until needed.

2. Remove one of the wiring knockouts from the housing.
3.

Refer to Figure 2. 

This unit can be ducted for either vertical or

horizontal discharge. Determine the method of discharge that will
be used.

4.

Refer to Figure 3. 

Mount 3

1

4

" x 10" damper section on top of

housing for vertical discharge, or on the side of housing for
horizontal discharge with two (2) screws (furnished).

FIGURE 1

POWER
UNIT

QuieTTest

®

Combination Fan/Light

(with Night Light)

MODEL: QT140L

SUITABLE FOR USE OVER TUB OR SHOWER ENCLOSURE 
WHEN INSTALLED IN A GFCI PROTECTED BRANCH CIRCUIT.

• Suitable for use with solid-state speed controls.
• Not for use in kitchens.
• Uses standard 3

1

4

" x 10" ducting.

• Designed for ceiling installation.

IMPORTANT SAFETY INSTRUCTIONS

WARNING: TO REDUCE THE RISK OF FIRE. ELECTRIC

SHOCK, OR INJURY TO PERSONS, OBSERVE THE
FOLLOWING:

A. Use this unit only in the manner intended by the manufacturer. If

you have questions, contact the manufacturer.

B. Before servicing or cleaning unit, switch power off at service

panel and lock service panel 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.

CAUTION:

For general ventilating use only. Do not use to exhaust hazardous

or explosive materials and vapors.

INSTALLATION INSTRUCTIONS

WARNING: TO REDUCE THE RISK OF FIRE, ELECTRIC

SHOCK, OR INJURY TO PERSONS, OBSERVE THE
FOLLOWING:

A. Installation work and electrical wiring must be done by qualified

person(s) in accordance with all applicable codes and standards,
including fire-rated construction.

B. Sufficient air is needed for proper combustion and exhausting of

gases through the flue (chimney) of fuel burning equipment to
prevent back draft. 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.

C. When cutting or drilling into wall or ceiling, do not damage

electrical wiring and other hidden utilities.

D. Ducted fans must always be vented to the outdoors.
E. If this unit is to be installed over a tub or shower, it must be

marked as appropriate for the application.

F. NEVER place a switch where it can be reached from a tub or

shower.

POWER
CONNECTOR

SLOT

WING NUT,
HANGER
ROD

HANGER
ROD

FIGURE 2

VERTICAL

DISCHARGE

ROOF CAP

WALL CAP

FAN HOUSING

HORIZONTAL

DISCHARGE

3

1

4

" X 10"

DUCT

KNOCKOUTS

Summary of Contents for QuieTTest Combination Fan/Light QT140L

Page 1: ...NING TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK OR INJURY TO PERSONS OBSERVE THE FOLLOWING A Use this unit only in the manner intended by the manufacturer If you have questions contact the manufacturer...

Page 2: ...on box tighten screws 5 Connect supply wire to a listed general use wall switch in switch box or use a listed timer suitable for the voltage and current rating of the fan POWER UNIT INSTALLATION 1 Ref...

Page 3: ...Stick clothes hanger through hole to help locate the area from above 2 Locate hole in attic or crawl space 3 Refer to Figure 7 In attic or crawl space mark ceiling for cutout by using the housing as...

Page 4: ...UTONE 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 DAM...

Page 5: ...red o el techo no da e el cableado el ctrico ni otros servicios escondidos D Los ventiladores entubados siempre deben estar ventilados hacia el exterior E Si la unidad se va a instalar encima de una b...

Page 6: ...el cable de alimentaci n a un interruptor de pared certificado de uso general en la caja del interruptor o utilice un temporizador certificado apropiado para el voltaje y el tipo de corriente del ven...

Page 7: ...ropa por el agujero para ayudarle a localizar el rea desde arriba 2 Localice el agujero en el tico o s tano de peque a altura 3 Refi rase a la Figura 7 En el tico o en el s tano de peque a altura mar...

Page 8: ...que a Ud LA OBLIGACI N DE NUTONE DE REPARAR O REEMPLAZAR A SU OPCI N SER EL NICO Y EXCLUSIVO RECURSO QUE TENDR EL COMPRADOR BAJO ESTA GARANT A NUTONE NO SER RESPONSABLE POR DA OS INCIDENTALES CONSECUE...

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