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INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
Bathroom Exhaust
Fan/Light
Combination
Suitable for use in insulated ceilings.
WARNING: To reduce the risk of fire or electrical shock, do not
use these fans with any solid-state speed control device. Do not
install in a ceiling insulated to a value greater than R-40.
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.
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.
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.
F. NEVER place a switch where it can be reached from a tub or
shower.
MODEL: 8663RLG
Suitable for use over tub or shower enclosure when
installed in a GFI protected branch circuit.
FOR BEST RESULTS
When installing the Exhaust Fan/Light in a new construction site,
install housing during the rough-in construction of the building. The
blower unit, reflector and grille should be installed after the finished
ceiling is in place.
PLANNING DUCTWORK AND WIRING
1. Use 4" round duct.
2. Plan duct run from discharge opening of fan to the outside. For
best fan performance, make duct run as short as possible and
use minimum number of elbows.
3. Use optional NuTone ducting accessories as needed.
IMPORTANT: Use wire suitable for 90°C.
Plan to run 120vAC house wiring (with ground) from power source,
through wall switches, to junction box in fan. For separate control of
fan, light, and night light three wall switches are required. See
NuTone Catalog for accessory switches. For separate control of fan,
light, and night light, five conductors are needed between the wall
switch box and the fan's junction box.
Wiring
Knockouts
FIGURE 1
Housing
Scroll
Slots
Power/Blower
Unit
Reflector
Assembly
Night
Light
Socket
Wing Nut
Grille/Lens
Assembly
Mounting
Springs (2)