NuTone 765HL Instructions Manual

Page 1
VENTILATION FAN
CEILING
MOUNTING CHANNELS
MATERIAL
WITH HEATER & LIGHT
READ AND SAVE THESE INSTRUCTIONS
MODEL 765HL
Page 1
IMPORTANT INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE INSTALLING OR USING THIS HEATER.
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 MUST BE MOUNTED IN A FLAT CEILING ONLY. In­stallations in ceilings 9-feet high or less will provide maximum comfort. DO NOT MOUNT THIS PRODUCT IN A WALL.
1 7. Install heater in ceiling only - at least 6 inches from any wall.
18. Do not connect heater to dimmer switch or speed control.
19. Provide a separate 20 AMP circuit. Use 12 GA. power cable of type which meets code. Use supply wiring rated for at least 90
20. For greatest efficiency, install heater so heat is directed toward tub or shower area. Avoid directing toward walls or windows.
O
C.
SAVE THESE INSTRUCTIONS
TYPICAL INSTALLATION
JOIST, TRUSS,
OR I-JOISTS
CEILING
Housing mounted to joists, trusses, or I-joists.
Up to 24-inches on-center.
POWER
CABLES
HOUSING
GRILLE
PLAN THE INSTALLATION
INSULATION
(Can be placed
around and over
housing.)
HOUSING
4-IN.
ROUND
*
Purchase
*
separately
The unit will operate most quietly and efficiently when located where the shortest possible duct run and minimum number of elbows will be needed.
Use a roof cap or wall cap that has a built-in damper to reduce backdrafts.
Plan to supply the unit with proper line voltage and appropriate power cable.
DUCT
4-IN. ROUND
ELBOW(S)
*
ROOF CAP
*
WALL CAP
*
Page 2
MODEL 765HL
Page 2
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.
HANGER
BARS
CHANNEL
CHANNEL
1. Insert hanger bars.
Four (4) sliding hanger bars are provided to allow for accurate positioning of housing anywhere between framing. They can be used on all types of framing (I-joist, standard joist, and truss construction) and span up to 24”.
Slide hanger bars into channels on housing. Make sure hanger bar tabs face “up” as shown.
HOLE FOR OPTIONAL
SCREW MOUNTING (4)
BOTTOM EDGE
NAIL (4)
OF FRAMING
2. Mount housing.
Extend hanger bars to the width of the framing. Hold fan in place with the hanger bar tabs wrapping around the
bottom edge of the framing. Nail fan to framing or fasten with screws (not provided)
through holes near nails. * To ensure a noise-free mount: Secure hanger bars
together with screws or use a pliers to crimp mounting channels tightly around hanger bars.
TAB
HANGER
BARS
* SCREW (2)
3. Attach damper / duct connector to housing.
Snap damper / duct connector onto housing. Make sure connector is flush with top of housing and damper flap falls closed.
4. Install 4-inch round ductwork.
Connect 4-inch round ductwork to damper / duct connector. Run ductwork to a roof cap or wall cap. Tape all ductwork connections to make them secure and air tight.
CONNECT WIRING
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.
LIGHT
&
BLACK to RED
(Heat)
WHITE to WHITE
WIRING PLATE FROM VENTILAT OR
WHITE WHITE
GROUND
to
CAUTION
RATING SPECIFICATIONS
Each two-position rocker switch is rated 15 A @ 120VAC. The total load on this control must not exceed 20 A @ 120VAC.
FANHEAT
120 VAC LINE IN
VENTILATOR
HOUSING
RED to BLUE
(Light)
WHITE to WHITE
RED
BLACK
GREEN
BLACK
BLACK
BLACK to BLACK
(Fan)
LIGHT
FAN
HEAT
Page 3
MODEL 765HL
Page 3
LINE
IN
LIGHT SWITCH
VENT SWITCH
HEAT SWITCH
BLK WHT GRD
SWITCH BOX
RED
BLK
BLK
GRD
BLU
BLK
WHT
RED
WHT
LIGHT
VENT
HEAT
UNIT
5. Connect electrical wiring.
Run 120 VAC house wiring to installation location. Use proper UL approved connectors to secure house wiring to wiring plate. Connect wires as shown in wiring diagram(s).
INSTALL GRILLE & BULB
6. Finish ceiling.
Install ceiling material. Cut out ceiling material closely around housing.
7. Remove light lens from grille.
Insert a small flat-bladed screwdriver into the slot at one end of the light lens. Carefully pry the lens out.
8. Plug-in light.
Hold grille assembly up near housing. Connect light plug from grille assembly to receptacle inside of housing.
WHT
WHT
WHT
9. Attach grille.
Place grille/ reflector combination over protruding screw and fasten in place using acorn nut provided. HAND TIGHTEN acorn nut 1/4 turn after it is snug.
10. Install
bulb.
The unit accepts a 100-Watt (maximum) incandescent bulb.
11. Attach
light lens.
Hook the tabs on one end of the lens into the slot in the grille. Lift other end of lens up and snap into place.
12. Rotate
heater grille.
Use a flat-bladed screwdriver to rotate the round heater grille to provide heat in the desired direction.
SCREW
ACORN NUT
GRILLE
LIGHT
REFLECTOR
USE
THIS
HOLE
BOTTOM VIEW
Page 4
OPERATION
Before using heater, make sure heater has been properly installed according to installation steps beginning with the "TYPICAL IN­STALLATION" section on page 1.
Use a 3-Function Control to operate the heater, fan, and light separately. See “Connect Wiring” for details.
MODEL 765HL
Page 4
Page 5
MAINTENANCE
The following maintenance and cleaning tasks can be performed by the autho-rized technician
TO REPLACE BULB
Remove lens by gently depressing sides and pull down. Use a maximum 100-Watt incandescent bulb.
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
4. Restore power.
CAUTION: METAL AND ELECTRICAL PARTS SHOULD NEVER BE IMMERSED IN WATER.
user. All other servicing must be performed by an
or wipe grille clean with a soft cloth.
MODEL 765HL
Page 5
Page 6
SERVICE PARTS
Key No. Part No. Description
1 97017572 Housing Assembly 2 97017712 Slide Mounting Channel
3 97017711 Slide Mounting Channel
4 97016449 Duct Connector Assembly, 4” 5 98010407 Electr ical Knockout Panel 6 99170245 Screw, #8-18 X .375” * (5 req) 7 99150471 Screw, Ground #10-32 X .500
8 97017713 Wire Panel Assembly 9 99420666 Wire Clip
10 99150415 Screw, 8B X .25
11 97017609 Heater Scroll 12 98010405 Transition 13 99020294 Heater Wheel 14 97017742 Screw Bag for Transition 15 99260428 Nut, #6-32 X 5/16 * Twin Whiz
16 99260488 Nut, #10-24 * Whiz Hex
17 98010409 Heater Motor Bracket 18 97020888 Heater Element 19 99080606 Heater Motor 20 99020293 Fan Wheel 21 98010089 Heating Element
22 99080602 Fan Motor 23 99100491 Isolator Bushing (4 req) 24 97017606 Partition Assembly 25 93260454 Sheet Metal Nut, #8-18
26 99150583 Screw, #10-24 X 1.25” * 27 93150459 Screw, #8-18 X .500” * (2 req) 28 99250959 Washer, Flat, #8 * (4 req) 29 99260558 Nut, Hex Lock, #8-32 * (4 req) 30 97017663 Grille Assembly 31 97017688 Reflector Assembly 32 97005316 Acorn Nut 33 99111414 Light Lens 34 97017739 Screw Hardware Bag for
**
**
Order service parts by “Part No.” - not by “Key No.”
Standard hardware - may be purchased locally.
*
Not shown assembled.
**
97020890 Heater Scroll Assembly
97017769 Blower Assembly
RH (2 req)
LH (2 req)
PH HWH * (2 req)
SL HX SR W * (4 req)
(4 req)
Flange (4 req)
Mounting Bracket
(2 req)
Hanger Bars
(Includes Key Nos. 6, 10 thru 19, 21)
(Includes Key Nos. 20, 22,
23, 24, 26, 28, 29)
MODEL 765HL
Page 6
*
99045040B
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