NuTone 656 User manual

COMBINATION UNITS

MODEL 656 HEATER/LIGHT

MODEL 658 HEATER/FAN

656F AND 658F FINISH PACKS FOR USE

WITH 654H HOUSING PACKS.

READ AND SAVE

THESE INSTRUCTIONS

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. To avoid electrical shock: Do not install unit in a tub or shower enclosure or any location where it may come in contact with water. Never place a switch where it

can be reached from a tub or shower.

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

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

17. 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.

18. Install in ceiling only, at least 6" from any wall.

19. The product must be grounded.

SAVE THESE INSTRUCTIONS

TOOLS AND

MATERIALS REQUIRED

• Straight-blade & Phillips screwdrivers

• Saber or Keyhole Saw

• Hammer

• Pliers or Nut Driver

MODEL 658 ONLY

• 4” round duct and elbows (as needed)

• Roof or wall cap

• Duct tape

• Electrical supplies (to comply with codes)

PREPARATION

1. Unplug the heater assembly from the RED recep-

tacle.

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.

STEPS 4 & 5 - MODEL 658 ONLY

4. Unplug the fan assembly from the BLACK recep-

tacle. 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 of your unit 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. 1

RETAINING

SCREWS

FIG. 2

HINGE PINS

FIG. 3

FIG. 4

FIG. 5

KNOCKOUTS

WIRING OPENING RELEASE SLOT

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.

STEP 8 - MODEL 658 ONLY

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 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 pound 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. Pound 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)

STEP 12 - MODEL 658 ONLY

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 qualified person(s) in accordance with

all applicable codes and standards, including fire-

rated construction codes and standards.

13. Wire unit according to appropriate diagram. (FIG.11

or FIG.12)

NOTE

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 dam-

aged.

14. Replace heater assembly removed in STEP 3 and

plug it into RED receptacle. Direct wires away from

blower inlet.

FIG. 6

FIG. 7

FIG. 8

FIG. 9

EMBOSSED

MEASURING

GUIDES

FLUSH

NIVEL

FIG. 10

HEAT

LIGHT

RED

BLK

BLK 120 VAC LINE IN

WHT

GRD

WHT

BLUE

RED

GRD

MODEL

656 MODEL

658

STEP 15 - MODEL 658 ONLY

15. Replace fan assembly removed in

STEP 5 and plug it into BLACK recep-

tacle.

STEPS 16 & 17 - MODEL 656 ONLY

CAUTION: To avoid the possibility of

overheating and/or fire, the grille must

be installed as shown in Fig. 13.Acorn

nut and tooth washer must attach to

threaded rod through proper hole in

light reflector.

16. Slide the light reflector into opening in

grille and plug into WHITE receptacle.

Use acorn nut and tooth washer from

plastic bag to attach grille/reflector

assembly to threaded rod on housing.

Tighten securely using pliers or nut

driver. Install a light bulb 100 Watt

maximum. (FIG. 13)

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. 14)

STEP 18 - MODEL 658 ONLY

18. Fasten grille with single grille screw.

Snap grille button into place over screw.

(FIG.15)

FIG. 13

FIG. 14

FIG. 15

BLK

NEGRO

WHT

RED

GRD

RED

ROJO WHT

GRD

120 VAC LINE IN

BLK

HEAT

FAN

FIG. 11 FIG. 12

LIGHT

REFLECTOR

ACORN NUT

USE THIS HOLE

BOTTOM VIEW

GRILLE

THREADED ROD

TOOTH

WASHER

OPERATION

Before using heater, make sure heater has been properly

installed according to installation steps beginning with the

"PREPARATION" section.

MAINTENANCE

TO REPLACE BULB - Remove lens by gently depressing

sides and pull down. Use bulb rated up to 100 watts only.

LUBRICATION

The heater is permanently lubricated and never needs

oiling or disassembly.

CLEANING

Clean heater once a month as follows:

1. Turn off power at service panel.

2. Make sure heating element is cool.

3. Use a soft brush attachment to gently vacuum grille

openings or wipe grille clean with a soft cloth.

4. Restore power.

CAUTION: METAL AND ELECTRICAL PARTS SHOULD

NEVER BE IMMERSED IN WATER.

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