NuTone 671R Manuel utilisateur

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INSTALLATION INSTRUCTIONS
Ventilation Fan
MODELS: 671R & 672R
The Exhaust Fan consists of the housing, power unit/blower 
assembly (motor, wheel, mounting plate), grille and duct collar.
FAN MUST NOT BE INSTALLED IN A CEILING INSULATED
TO A VALUE GREATER THAN R-40.
SUITABLE FOR USE OVER TUB OR SHOWER ENCLOSURE
WHEN INSTALLED IN A GFCI PROTECTED BRANCH
CIRCUIT.
FOR BEST RESULTS
When installing the Exhaust Fan in a new construction site, 
install the housing during the rough-in construction. The blower 
unit and grille should be installed after the finished ceiling is in 
place.
To install the Exhaust Fan in an existing finished building, an 
accessible area is required above the planned location (attic or 
crawl space).
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. 
WARNING: To reduce the risk of fire or electric shock, do not 
use this fan with any solid-state speed control.
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 drafting. 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.
FIGURE 1
DUCT COLLAR
COLLIER DE GAINE
COLLARÍN DE TUBO
HOUSING
BOITER
CUBIERTA
SLOTS
FENTES
RANURAS
POWER UNIT/BLOWER
ASSEMBLY
ENSEMBLE MOTEUR/
VENTILATEUR
CONJUNTO DE
UNIDAD DE POTENCIA/
SOPLADOR
MOUNTING TAB
PATTES DE
MONTAGE
LENGÜETA DE
MONTAJE
TABS
PATTES
LENGÜETA
GRILLE
GRILLE
REJILLA
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 and be connected 
to a GFCI (Ground Fault Circuit Interrupter) protected branch 
circuit.
F. NEVER place a switch where it can be reached from a tub or
shower.
TO REGISTER THIS PRODUCT, VISIT WWW.NUTONE.COM
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PLANNING DUCTWORK AND WIRING
Ductwork
1. Use 4” round duct.
2. Plan to run duct from discharge opening of fan to the 
outside. For best fan performance, make the duct run as 
short as possible and use a minimum number of elbows.
3. Use optional ducting accessories as required.
Wiring
Plan to run 120vAC house wiring (with ground) from the 
power source through a standard wall switch.
Preparation
1. Refer to Figure 1. Remove blower/power unit assembly 
from the housing.
(a) Unplug the power unit.
(b) Remove the screw (located next to plug-in receptacle) 
which holds blower/power unit mounting plate in place. 
Do not misplace this screw.
(c) Lift the mounting plate at the end near the plug-in 
receptacle until blower wheel clears the scroll.
(d) Remove plate by pulling its tabs out of slots in the 
housing. Set blower/power unit aside until needed.
2. Remove one of the wiring knockouts from housing.
MOUNTING THE HOUSING
Mounting Using Mounting Tabs
Refer to Figure 2.
1. Locate fan housing next to ceiling joist.
2. Using wood screws (not provided) loosely attach the 
housing to ceiling joist through the keyhole slots in 
mounting tabs.
3. Adjust housing so that it will be flush with the finished 
ceiling. For the grille to fit properly, the housing’s rim  must 
not extend beyond finished ceiling surface.
4. When housing is properly adjusted, tighten screws in slots.
Mounting Using Hanger Bars
(hanger bars sold separately, order model HB4)
Refer to Figure 3.
1. Insert hanger bars in slots provided in housing.
2. Locate fan housing between joists so that the bottom of the 
housing is even with the planned finished ceiling. Extend 
the hanger bars to the joists.
3. Use screws or nails (not provided) to secure hanger bars to 
ceiling joists.
INSTALLING DUCTWORK
1. Refer to Figure 2. Place duct collar over flanges at 
discharge opening of fan. Secure collar by snapping tabs 
into slots in flanges.
2. Run 4” round duct from outside to fan’s discharge opening.
3. Connect duct to fan’s duct collar.
WIRING
All wiring must comply with local codes and unit must
be properly grounded.
1. Run 120vAC house wiring (with ground) from wall switch to 
fan location.
2. Pull wire through access hole and into junction box.
3. Refer to Figure 4. Use approved wire nuts to connect 
house supply wires to fixture as follows: white to white; 
black to black. Connect green or bare ground wire to green 
ground lead.
FIGURE 4
FIGURE 3
FIGURE 2
DUCT COLLAR
COLLIER DE GAINE
COLLARÍN DEL TUBO
WIRING KNOCKOUT
OUVERTURES
PRÉAMORCÉES
AGUJERO CIEGO DE
CABLEADO
MOUNTING TAB
PATTES DE MONTAGE
LENGÜETA DE MONTAJE
FLANGES
COLLERETTES
BRIDAS
GREEN GROUND
LEAD
VIS VERTE DE MISE À
LA TERRE
HILO VERDE DE
CONEXIÓN A TIERRA
STANDARD
WALL SWITCH
(NOT INCLUDED)
INTERRUPTEUR
MURAL STANDARD
(NON INCLUS)
INTERRUPTOR DE
PARED ESTÁNDAR
(NO SE INCLUYE)
FIELD GROUNDING WIRE
HANGER BARS
(SOLD SEPARATELY)
BARRES DE SUSPENSION
(VENDUES SÉPARÉMENT)
BARRAS DE SUSPENSIÓN
(SE VENDEN POR SEPARADO)
JUNCTION BOX
BOÎTE DE
JONCTION
CAJA DE
CONEXIONES
SWITCH BOX
BOÎTE D’INTERRUPTEUR
CAJA DEL INTERRUPTOR
120vAC, 60Hz HOUSE
POWER
COURANT DOMESTIQUE
120V CA, 60 Hz
ELECTRICIDAD DOMÉSTICA:
120 V CA, 60 Hz
FIL DE MISE À LA TERRE
HILO DE CONEXIÓN A TIERRA
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POWER/BLOWER UNIT INSTALLATION
1. Place power/blower unit into housing so that mounting 
plate’s tabs insert into slots in housing.
2. Press other end of mounting plate down until it is firmly 
seated over scroll and plug-in receptacles.
3. Secure mounting plate to housing with provided screw.
4. Refer to Figure 5. Insert motor plug into junction box 
receptacle.
GRILLE INSTALLATION
1. Refer to Figure 6. Squeezing grille’s mounting springs 
together, insert springs into slots on both sides of the 
housing.
2. Press grille firmly into place against ceiling.
INSTALLATION IN EXISTING
CONSTRUCTION
Note: Installation in a finished house requires at least a small 
accessible area (attic or crawl space) above the planned 
installation location.
1. After determining desired location for fan, drill a small hole 
in the ceiling. Place a coat hanger or other stiff wire up 
through hole to help in locating from above.
2. Place fan housing on top of ceiling surface and use the 
housing as a template to mark area to be cut out.
3. After cutting out opening, mount housing in the opening 
using the hanger bars (sold separately), or mount directly 
to joist using mounting tabs.
A. Insert hanger bars in slots in housing.
B. Position housing in opening so that bottom of 
housing is flush with ceiling.
C. Use screws or nails (not provided) to secure 
hanger bars to ceiling joists.
D. Complete installation as described above.
FIGURE 5
FIGURE 6
SLOTS
FENTES
RANURAS
GRILLE
GRILLE
REJILLA
MOUNTING
SPRINGS
RESSORTS
DE
MONTAGE
RESORTES
DE MONTAJE
INSERT TABS
INTO SLOTS
INSÉRER LES PATTES
DANS LES FENTES
INSERTAR LENGÜETAS
EN LAS RANURAS
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WARRANTY
One Year Limited Warranty
WARRANTY OWNER: Broan-NuTone warrants to the original consumer purchaser of its products that such products will be free from defects in materials or workmanship for a period of
one (1) year from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this one year period, Broan-NuTone will, at its option, repair or replace, without charge, any product or part which is found to be defective under normal use and service. THIS
WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS OR TUBES, FILTERS, DUCT, ROOF CAPS, WALL CAPS AND OTHER ACCESSORIES FOR DUCTING. This
warranty does not cover (a) normal maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident, improper maintenance or repair (other than
by Broan-NuTone), faulty installation or installation contrary to recommended installation instructions.
The duration of any implied warranty is limited to the one year period as specified for the express warranty. Some states do not allow limitation on how long an implied warranty lasts, so the
above limitation may not apply to you.
BROAN-NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE’S OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS
WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT
USE OR PERFORMANCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty
gives you specific legal rights, and you may also have other rights, which vary from state to state. This warranty supersedes all prior warranties.
WARRANTY SERVICE: To qualify for warranty service, you must (a) notify Broan-NuTone at the address or telephone number below, (b) give the model number and part
identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service, you must present evidence of the original purchase date.
Date of Installation
Builder or Installer
Model No. and Product Description
IF YOU NEED ASSISTANCE OR SERVICE - CONTACT:
Broan-NuTone LLC Hartford, Wisconsin www.nutone.com 888-336-3948
Broan-NuTone Canada Mississauga, Ontario www.nutone.ca 877-896-1119 Rev. 08/2007
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KEY NO. PART NO. DESCRIPTION
1  101255-000  MOTOR MOUNTING PLATE
2  32787-000  MOTOR ISOLATION MOUNT
3  32788-000  GROUND CLIP
4  100600-000  MOTOR (671R)
100599-000  MOTOR (672R)
5  100603-000  BLOWER WHEEL
6  30652-000  DUCT ADAPTER ASSEMBLY
7  54714-000  GRILLE SPRING (2 REQ.)
8  97017607 GRILLE ASSEMBLY (INCLUDES GRILLE SPRINGS)
9  99270982 RECEPTACLE
10  97017708 POWER UNIT ASSEMBLY (671R)
97017709 POWER UNIT ASSEMBLY (672R)
SERVICE PARTS
Models 671R & 672R
Broan-NuTone LLC    Hartford, Wisconsin    www.nutone.com    888-336-3948
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NuTone 671R Manuel utilisateur

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