MODEL 668RP
Page 1
WARNING
CAUTION
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR IN-
JURY TO PERSONS, OBSERVE THE FOLLOWING:
1. Use this unit only in the manner intended by the manufac-
turer. If you have questions, contact the manufacturer at the
address or telephone number listed in the warranty.
2. Before servicing or cleaning unit, switch power off at service
panel and lock the service disconnecting means to prevent
power from being switched on accidentally. When the ser-
vice disconnecting means cannot be locked, securely fasten
a prominent warning device, such as a tag, to the service
panel.
3. Installation work and electrical wiring must be done by a
qualified person(s) in accordance with all applicable codes
and standards, including fire-rated construction codes and
standards.
4. Sufficient air is needed for proper combustion and exhaust-
ing of gases through the flue (chimney) of fuel burning equip-
ment to prevent backdrafting. 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 au-
thorities.
5. When cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.
6. Ducted fans must always be vented to the outdoors.
7. Acceptable for use over bathtub or shower when installed in
a GFCI protected branch circuit.
8. If this unit is to be installed over a tub of shower, it must be
marked as appropriate for the application and be connected
to a GFCI (Ground Fault Circuit Interrupter) protected branch
circuit.
9. Do not use this fan with any solid-state speed control device.
10. Never place a switch where it can be reached from a tub or
shower.
11. Use this unit only in the manner intended by the manufac-
turer. If you have questions, contact the manufacturer.
12. This unit must be grounded.
FAN / LIGHT
READ AND SAVE THESE INSTRUCTIONS
1. Provide a separate 15 AMP circuit. Use 14 GA. power cable
of type which meets code.
2. This product is designed for ceiling installation only. This prod-
uct is designed for installation in ceilings up to a 12/12 pitch.
Ductwork must point up. DO NOT MOUNT THIS PRODUCT
IN A WALL.
3. Install in ceiling only, at least 6” from any wall.
4. For general ventilating use only. Do not use to exhaust haz-
ardous or explosive materials and vapors.
5. To avoid motor bearing damage and noisy and/or unbal-
anced impellers, keep drywall spray, construction dust, etc.,
off power unit.
6. Please read specification label on product for further infor-
mation and requirements.
DISCONNECT ELECTRIC POWER SUPPLY BEFORE
CLEANING OR SERVICING THIS UNIT.
TO REPLACE BULB:
Remove lens by gently depressing sides and pull down. Use
bulb rated up to 100 watts only.
TO CLEAN LENS AND GRILLE:
Remove lens as explained above. Remove bulb. Remove acorn
nut in center of light reflector and lower assembly. Unplug light.
CAUTION: Grille and reflector are separate units.
Plastic parts can be cleaned with mild, soapy water and dried
with a soft cloth. DO NOT USE ABRASIVE CLOTHS, STEEL
WOOL PADS, OR SCOURING POWDERS.
TO CLEAN FAN ASSEMBLY:
Unplug fan motor. Remove retaining screws.
CAUTION: Fan assembly will swing downward when screws are
removed. Support the fan assembly with a free hand while re-
moving retaining screws.
Gently vacuum fan, motor and interior of housing. Motor is per-
manently lubricated and never needs oiling.
METAL AND ELECTRICAL PARTS SHOULD NEVER BE IM-
MERSED IN WATER.
TO REASSEMBLE ALL ABOVE PARTS:
Reverse all procedures explained above. Assemblies should not
be disassembled any further than explained above.
USE AND CARE
To register this product, visit:
www.nutone.com
