NuTone RF-49NR Installation Instructions Manual

Power Attic Ventilator
MODEL: RF-49NR, RF-59NRPSC, RF-85R

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.
CAUTION:
This unit has an unguarded impeller. Do not use in
locations readily accessible to people or animals.
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.
IMPORTANT: For every 300 CFM of fan performance,
a minimum of one square foot of inlet space in attic or
crawl space is necessary for proper operation. Inlet
areas should be located as far from fan location as
possible, such as in the eave or side walls.
READ & SAVE THESE INSTRUCTIONS!
MOUNTING THE FAN
IMPORTANT: If the fan will be mounted on a flat roof, make
a curb on which to mount the fan; the fan must be above
the level of the roof's water line.
1. Determine location of fan (center of attic near roof peak).
At desired location, drill a hole through the roof (centered
between the rafters).
2. Using the drilled hole as a center, make a 14
circle on the roof. To make a circle, a compass can be
made of a scrap piece of wood with two nails placed 7
apart.
3. Make cutout in roof along the circle that has been made.
If the roof is shingled, cut shingles along the circle using
the tin snips, knife etc.
4. Place fan over opening in roof. Nail mounting flange to
roof. Caulk around mounting flange to help prevent water
seepage. If the roof is shingled, slide mounting flange
under the surrounding shingles.
MOUNTING THE THERMOSTAT'S OUTLET BOX
IMPORTANT: Do not mount outlet box near heat source.
1. Mount the outlet box to a nearby rafter so that the outlet
box is higher than the fan motor.
BLACK LEAD
FROM MOTOR
SUPPLY
GROUND
FAN MOTOR
WIRING
INSTALLATION INSTRUCTIONS
1
BLACK LEAD
HOUSE SUPPLY
HOUSE SUPPLY
WHITE LEADS
FROM MOTOR
AND HOUSE
SUPPLY
⁄ " diameter
2
⁄ "
1
4
WIRING