NuTone QT140L installation instructions QuieTTest Combination Fan/Light, For Best Results

INSTALLATION INSTRUCTIONS

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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 31⁄4" 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	POWER
UNIT
	CONNECTOR
	SLOT

WING NUT,

HANGER

ROD

HANGER

ROD

FIGURE 1

VERTICAL	ROOF CAP
DISCHARGE

31⁄4" X 10"

DUCT

WALL CAP

KNOCKOUTS

FAN HOUSING

HORIZONTAL

DISCHARGE

FIGURE 2

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 31⁄4" 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).