Exhaust Fan MODELS: 671R & 672R READ & SAVE THESE INSTRUCTIONS! INSTALLATION INSTRUCTIONS

Exhaust Fan MODELS: 671R & 672R READ & SAVE THESE INSTRUCTIONS! INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
INSTALLATION INSTRUCTIONS
Exhaust Fan
MODELS: 671R & 672R
DUCT COLLAR
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.
COLLIER DE GAINE
HOUSING
BOITER
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).
MOUNTING TAB
PATTES DE MONTAGE
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.
SLOTS
FENTES
POWER UNIT/BLOWER
ASSEMBLY
TABS
PATTES
ENSEMBLE MOTEUR/
VENTILATEUR
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.
GRILLE
LA GRILLE
FIGURE 1
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.
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.
DUCT COLLAR
COLLIER DE GAINE
FLANGES
COLLERETTES
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 TAB
PATTES DE MONTAGE
WIRING KNOCKOUT
PRÉDÉ COUPES
FIGURE 2
HANGER BARS
(SOLD SEPARATELY)
MOUNTING THE HOUSING
LES BARRES DE
SUSPENSION SONT
VENDUES SÉPARÉMENT
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.
FIGURE 3
GREEN GROUND
LEAD
VIS VERTE DE
MISE A LA TERRE
JUNCTION BOX
BOITER DE
RACCORDEMENT
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.
STANDARD
WALL SWITCH
(NOT INCLUDED)
120vAC, 60Hz HOUSE
POWER
COURANT DOMESTIQUE
120V CA, 60 Hz
SWITCH BOX
BOITER
D’INTERRUPTEUR
FIELD GROUNDING WIRE
TERRE
FIGURE 4
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.
SLOTS
FENTES
GRILLE
LA
GRILLE
MOUNTING
SPRINGS
RESSORT
DE
MONTAGE
FIGURE 6
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.
One Year Limited Warranty
WARRANTY OWNER: 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, 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
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.
NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT NUTONE’S
OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE
REMEDY UNDER THIS WARRANTY. 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.
INSERT TABS
INTO SLOTS
LES INSÉRER PATTES
LES FENTES
FIGURE 5
Product specifications subject to change without notice.
Date of Installation
Model No. and Product Description
Builder or Installer
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