Nutone HEAT-A-VENTLITE QT-9093 User Manual download pdf

READ & SAVE THESE INSTRUCTIONS!

INSTALLATION INSTRUCTIONS

Heat-A-Ventlite

MODELS: QT-9093 SERIES

IMPORTANT: DO NOT MOUNT OVER TUB

OR IN SHOWER STALL ENCLOSURE.

PRECAUTIONS

• Observe all requirements in this instruction sheet and all markings

appearing on the unit.

• Check all operations of the unit after installation has been completed.

•

The heater housing must be grounded and the wiring must comply

with all local electrical codes.

• The flange of the rough-in housing MUST be flush with the finished

plaster or drywall surface to assure proper and absolutely safe operation.

• If plaster material, paint base or paint is sprayed on the walls or ceiling,

the inside of the housing must be masked off to prevent this material

from entering the housing.

• The switch (furnished) must be wired in accordance with the

wiring diagram.

•

For installation in sloped ceilings up to 12/12 pitch.

•

Ductwork must point up.

PREPARATION

Refer to Figure 1.

1. Loosen two screws holding grille in place. Remove grille and set aside. Remove housing,

switch assembly, hanger bar and mounting brackets from carton.

2. Loosen four (4) screws holding heater power unit in place. Remove heater power unit and

set aside.

MOUNTING TO OPEN JOISTS IN NEW CONSTRUCTION

1. Install hanger brackets in keyhole slots in housing. Insert hanger bar through bracket opposite

blower vent.

2. Refer to Figure 2. Position housing between joists with exhaust vent in desired direction.

Secure side hanger brackets and ends of

adjustable hanger bar to joists with screws or nails.

If joist spacing is greater than 16" O.C., construct

framing to support sides of housing,

(Refer to Figure 3). Position housing against joists

and secure with wood screws through keyhole

slots in housing.

3. Loosen screws securing hanger brackets to

housing and adjust height of housing so that

bottom flange will be flush with finished ceiling.

Tighten screws securely.

4. Attach 4" round duct and run ductwork to the

outside through wall or roof.

WIRING

115-120 volts (20 amp circuit only), 12 gauge wire.

1. Remove desired knockout from junction box and install a box connector (not provided).

2. Refer to Figure 4. Run 120vAC supply wiring to wall switch box. Run wiring from wall switch box to

heater. Five conductors plus ground are required for independent operation of all functions.

3. When a thermostat or timer switch is used, connect at point marked “T” on Figure 4.

4. Make wiring connections using wire nuts. Connect ground wire under ground screw in junction box.

5. Push wiring back into junction box and install junction box cover being careful not to pinch wiring

between cover and housing. Secure cover.

HEATER

SCREWS

FIGURE 1

HEATER

SCREWS

13" DIA.

14" DIA.

FIGURE 3

FIGURE 4

FIGURE 2

1 2

Summary of Contents

Page 1 - Heat-A-Ventlite

READ & SAVE THESE INSTRUCTIONS!INSTALLATION INSTRUCTIONSHeat-A-Ventlite®MODELS: QT-9093 SERIESIMPORTANT: DO NOT MOUNT OVER TUB OR IN SHOWER STALL

Page 2 - COMPLETING INSTALLATION

COMPLETING INSTALLATION1. Reinstall the heater unit and tighten four (4) screws securely.2. Plug fan and heater assemblies to receptacles on junction

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Nutone HEAT-A-VENTLITE QT-9093 User Manual

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