NuTone 8663RFT Instruction Manual

Ventilation Fan
with Fluorescent Light
MODEL: 8663RFT
Suitable for use in shower or tub enclosure when used
with GFI protected branch circuit.
Suitable for use in insulated ceilings.
WARNING: To reduce the risk of fire or electrical shock, do not use this
fan 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. 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 fas-
ten 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. 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.
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.
F. N EVER place a switch where it can be reached from a tub or shower.
G. F or installation in sloped ceilings up to 12/12 pitch.
H. D uctwork must point up.

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.
Refer to instructions on page 3 to install the Exhaust Fan/Light in an exist-
ing finished building.
PLANNING DUCTWORK AND WIRING
1. U se 4" round duct.
2. P lan duct run from discharge opening of fan to the outside. For best fan
performance, make duct run as short as possible and use minimum num-
ber of elbows.
3. U se optional NuTone ducting accessories as needed.
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READ & SAVE THESE INSTRUCTIONS!
Hanger Bars
Slots
Tabs
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 and light, two
wall switches are required. See NuTone Catalog for accessory switches.
INSTALLATION IN A NEW
CONSTRUCTION SITE
PREPARATION
1. R efer to Figure 1. Remove power unit/blower assembly from housing.
A. U nplug power unit.
B. R emove screw (located next to plug-in receptacle) which holds power/
blower unit mounting plate in place. Save screw.
C. L ift mounting plate at end near the plug-in receptacle until blower
wheel clears the scroll.
D. R emove plate by pulling its tabs out of slots in housing. Set power/
blower unit aside until needed.
2. R emove one of the wiring knockouts from housing.
INSTALLATION INSTRUCTIONS
Wiring
Knockouts
Housing
Scroll
Power/Blower
Unit
Reflector
Assembly
Acorn Nut
Mounting
Springs (2)
Grille/Lens
Assembly
Duct
Collar
FIGURE 1