NuTone 671R Instruction Manual

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. U se this unit only in the manner intended by the
manufacturer. If you have questions, contact the
manufacturer.
B. B efore 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. I nstallation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable codes
and standards, including fire-rated construction.
B. S ufficient 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.
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READ & SAVE THESE INSTRUCTIONS!
HOUSING
BOITER
CUBIERTA
SLOTS
FENTES
RANURAS
TABS
PATTES
LENGÜETA
GRILLE
GRILLE
REJILLA
C. W hen cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.
D. D ucted fans must always be vented to the outdoors.
E. I f 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. N EVER place a switch where it can be reached from a tub or
shower.

INSTALLATION INSTRUCTIONS
DUCT COLLAR
COLLIER DE GAINE
COLLARÍN DE TUBO
POWER UNIT/BLOWER
ASSEMBLY
ENSEMBLE MOTEUR/
VENTILATEUR
CONJUNTO DE
UNIDAD DE POTENCIA/
SOPLADOR
MOUNTING TAB
PATTES DE
MONTAGE
LENGÜETA DE
MONTAJE
FIGURE 1