NuTone 757SNNT Manual

DECORATIVE SERIES
CEILING VENTILATOR
READ AND SAVE THESE INSTRUCTIONS
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY TO PERSONS, OBSERVE
THE FOLLOWING:
1. Use this unit only in the manner intended by
the manufacturer. If you have questions, con-
tact the manufacturer at the address or tele-
phone number listed in the warranty.
2. Before servicing or cleaning unit, switch power
off at service panel and lock the service dis-
connecting means to prevent power from be-
ing 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, in-
cluding fire-rated construction codes and stan-
dards.
4. Sufficient air is needed for proper combus-
tion and exhausting of gases through the flue
(chimney) of fuel burning equipment to pre-
vent backdrafting. Follow the heating equip-
ment manufacturer's guideline and safety
standards such as those published by the
National Fire Protection Association (NFPA),
and the American Society for Heating, Refrig-
eration and Air Conditioning Engineers
(ASHRAE), and the local code authorities.
5. When cutting or drilling into wall or ceiling, do
not damage electrical wiring and other hid-
den utilities.
6. Ducted fans must always be vented to the out-
doors.
7. NEVER place a switch where it can be
reached from a tub or shower.
8. This unit must be grounded.
9. This unit is U.L. listed. Type I.C. inherently pro-
tected.
!
CAUTION
1. For general ventilating use only. Do not use
to exhaust hazardous or explosive materials
and vapors.
2. This product is designed for installation in
FLAT CEILINGS ONLY. Do not mount this
product in a wall.
3. The light fixture assembly must be mounted
to the fan housing assembly included with this
product. Do not mount the light fixture as-
sembly to a wiring outlet box.
4. To avoid motor bearing damage and noisy
and/or unbalanced impellers, keep drywall
spray, construction dust, etc. off power unit.
5. Please read specification label on product for
further information and requirements.
TYPICAL INSTALLATIONS
HOUSING MOUNTED
DIRECTLY TO JOIST
2x6 (or larger)
Discharge parallel to joists.
HOUSING MOUNTED
TO 2x4 TRUSS
Requires additional framing
for mounting tabs.
Discharge parallel to joists.
HOUSING MOUNTED TO "I" JOIST
Requires additional framing
for mounting tabs.
Discharge parallel to joists.
Additional framing must be a 2x6 (minimum height), at least 9-inches long.
*
Installer: Leave this manual with the homeowner.
Homeowner: Use and Care information on page 4.
HOUSING MOUNTED
TO ADDITIONAL FRAMING
Discharge 90
*
HOUSING MOUNTED TO 2x4
Requires additional framing
for mounting tabs.
Discharge 90
*
HOUSING MOUNTED TO "I" JOIST
Requires additional framing
for mounting tabs.
Discharge 90
MODEL 757SNNT
Page 1
*
0 to joists.
*
TRUSS
0 to joists.
*
0
to joists.