NuTone 765H80L Installation Manual

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HEATER / FAN / LIGHT

READ AND SAVE THESE INSTRUCTIONS

MODEL 765H80L

Page 1

IMPORTANT INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE INSTALLING OR USING THIS HEATER.

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. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.

5. This heater is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, etc. and curtains at least 3 feet (0.9 m) from the front of the heater.

6. Extreme caution is necessary when any heater is used by or near children or invalids and whenever the heater is left operating and unattended.

7. Do not operate any heater after it malfunctions. Disconnect power at service panel and have heater inspected by a reputable electrician before reusing.

8. Do not use outdoors.

9. To disconnect heater, turn controls to off, and turn off power to heater circuit at main disconnect panel (or operate internal disconnect switch, if provided).

10. Do not insert or allow foreign objects to enter any ventilation or exhaust opening, as this may cause

an electric shock or ﬁre, or damage the heater.

11. To prevent a possible ﬁre, do not block air intakes or exhaust in any manner.

12. A heater has hot and arcing or sparking parts inside. Do not use it in areas where gasoline, paint, or

ﬂammable vapors or liquids are used or stored.

13. Use this heater only as described in this manual. Any other use not recommended by the

manufacturer may cause ﬁre, electric shock, or injury to persons.

14. This product must be grounded.

15. Do not install heater in a tub or shower enclosure.

16. This product is designed for ceiling installation only. This product is designed for installation in

ceilings up to a12/12 pitch. Ductwork must point up. DO NOT MOUNT THIS PRODUCT IN A WALL.

17. Install heater at least 6 inches from ﬂoor or any adjacent wall.

18. Do not connect heater to dimmer switch or speed control.

19. Provide a separate 15 AMP circuit. Use 14 GA. power cable of type which meets code. If providing

a separate 20 AMP circuit, use 12 GA. power cable.

20. For greatest efﬁciency, install heater so heat is directed toward tub or shower area. Avoid directing

toward walls or windows.

SAVE THESE INSTRUCTIONS

FIG. 1

RETAINING SCREWS

FIG. 2

FIG. 3

FIG. 4

HINGE PIN

KNOCKOUTS

PREPARATION

1. Make sure the heater assembly is unplugged from the RED receptacle.

2. Loosen the two retaining screws on the inside of the heater discharge opening. Place a screwdriver

tip between the outer wall of the discharge opening and the fan housing. Gently pry outward until the exhaust discharge slips off the support lip on the outer housing. (FIG. 1)

3. Unhook hinge pins and lift heater assembly out of housing. (FIG. 2)

CAUTION: REMOVE THE SHIPPING RING FROM THE HEATER BLOWER INLET BEFORE OPERATING THE HEATER.

4. Unplug the fan assembly from the BLACK receptacle. Remove the plastic bag and set it aside.

5. Remove the mounting screw and carefully lift the fan assembly out of the housing. (FIG. 3)

6. Refer to the wiring diagram on the next page. Remove appropriate knockout(s) by inserting a

screwdriver blade into slots and bending it back and forth to break tabs. (FIG. 4)

7. Insert the adjustable mounting brackets into the bracket channels on the housing. (FIG. 5)

FIG. 5

MODEL 765H80L

INSTALLATION

WARNING: To reduce the risk of fire, do not store or use gasoline or other flammable vapors and liquids in the vicinity of the heater.

CAUTION: High temperature, risk of fire, keep electrical cords, drapery, furnishings, and other combustibles at least 3 feet (0.9 m) from the front of the heater and away from the side and rear.

8. For best results, choose a location which allows

fan to be vented outside with the shortest possible duct run and the fewest number of elbows.

9. Position unit between joists and extend

mounting brackets. Position brackets such that the bottom edge of housing will be ﬂush with ﬁnished ceiling. Mark the top of keyhole slot on all four mounting brackets. (FIG. 6)

10. Remove unit temporarily, and drive nails

partially into joists at all four marked locations. (FIG. 7)

11. Hang unit from nails and use embossed

measuring guides to check if unit will be ﬂush with ﬁnished ceiling. Drive nails tight. For wide joist centers: A #8 x 3/8 self-tapping screw can be used to join extended brackets together and create a rigid mount. To ensure a noise-free mount, crimp the bracket channels tightly around mounting brackets. (FIG. 8)

12. Snap the damper/duct connector onto housing.

Make sure that tabs on the connector lock in housing slots. (Top of damper/duct connector will be ﬂush with top of housing.) (FIG. 9)

NOTE: Make sure damper ﬂap is in place inside

of duct connector. If it is not: Squeeze top and bottom of connector to snap ﬂap back into place. (FIG. 10)

Installation work and electrical wiring must be done by a qualied person(s) in accordance with all applicable codes and standards, including re-rated construction codes and standards.

13. Wire unit according to Figure 11.

14. Replace heater assembly removed in STEP 3

and plug it into RED receptacle. Direct wires away from blower inlet.

15. Replace fan assembly removed in STEP 5 and

plug it into BLACK receptacle.

CAUTION: To avoid the possibility of overheating and/or re, the grille must be installed as shown in FIG. 12. Acorn nut must attach to threaded rod through proper hole in light reector.

16. Slide the light reﬂector into opening in grille

and plug into WHITE receptacle. Use acorn nut from plastic bag to attach grille reﬂector assembly to threaded rod on housing. Tighten securely using pliers or nut driver. Install an E26 base light bulb - 100 Watt (max.). (FIG.12)

17. Install light lens by 1) hooking one of its tabs

into notch in grille/reﬂector assembly; 2) apply light pressure to other tab with ﬁngertips and

3) snap into place. (FIG. 13)

FIG. 6

FIG. 7

FIG. 8

EMBOSSED MEASURING GUIDES

FIG. 9

FIG. 10

WIRE OPENING

If the switch has not been wired properly and wires need to be moved:

1. Each wire opening has a release slot.

2. Push a small nail or screwdriver into release slot while gently removing wire.

3. DO NOT pull any wire out of the switch without using the release slot. The switch may be damaged.

FLUSH

NOTE

RELEASE SLOT

FIG. 11

RED

BLACK

LIGHT

VENT

HEAT

FIG. 12

THREADED ROD

REFLECTOR

FIG. 13

LIGHT

BLACK

GROUND

WHITE

RED

GROUND

120 VAC LINE IN

Page 2

BLUE

RED

BLACK

WHITE

GRILLE

ACORN NUT

OPERATION

Before using heater, make sure heater has been properly installed according to installation steps beginning with the "PREPARATION" section on page 1.

MODEL 765H80L

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