NuTone 50NT Manual Del Usuario página 3

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INSTALL THE HOUSING
- PLEASE NOTE -
THE FOLLOWING INSTALLATION ILLUSTRATIONS SHOW
2 X 6 JOISTS. IF YOU HAVE A TRUSS OR "I"-JOIST INSTAL-
LATION, MOUNT THE VENTILATOR TO THE ADDITIONAL
FRAMING IN THE SAME MANNER. (Additional framing
must be a 2x6 (minimum height), at least 9-inches long.)
NEW CONSTRUCTION
1. Choose the location
for your fan in the ceil-
ing. For best possible
performance, use the
shortest possible duct
run and a minimum
number of elbows.
2. Position mounting
brackets against joist
so that bottom edge of
housing will be flush with finished ceiling.
Additional positioning feature for 5/8" , 1" , & 1-1/4" thick ceiling
material: Holes in corners of housing are labeled with various
ceiling material thicknesses. Position housing so bottom edge
of joist is visible through a matched set of holes. The housing
is now in the proper position for that ceiling material thickness.
Additional positioning feature for 1/2" thick ceiling material:
Bend two tabs, on side of housing, 90° outward. Lift housing until
tabs contact underside of joist. Mark the keyhole slot on both
mounting brackets.
3. Set housing aside and drive nails
partially into joist at the top of
both keyhole marks.
4. Hang housing from nails and
pound nails tight. To ensure a
noise-free mount, pound another
nail through the top hole of each
mounting tab.
HOLES
TAB
1-1/4
1
5/8
BOTTOM EDGE OF JOIST
EXISTING CONSTRUCTION
1. Choose the location for your
fan in the ceiling. For best
possibleperformance, use the
shortest possible duct run and
a minimum number of elbows.
2. In attic, position mounting
brackets against joist. Trace
outline of housing on ceiling
material.
3. Set housing aside and cut ceil-
ing opening slightly larger than
marked.
4. Place housing in opening so
that its bottom edge is flush
with finished ceiling. Nail to
joistthrough keyhole on both
sides. To ensure a noise-free
installation, drive another nail
through the top hole of each
mounting bracket.
5. Additional mounting holes
are provided for installations
where access from above is
inconvenient or not possible.
Nail or screw housing directly
to joists or framing.
INSTALL THE DUCTWORK
1. Snap the damper/duct connector onto housing. Make sure that
tabs on the connector lock into slots in housing. Top of damper/
duct connector should be flush with top of housing.
2. Connect 4" round duct to damper/duct connector and extend
duct to outside through a roof or wall cap. Check damper to
make sure that it opens freely. Tape all duct connections to
make them secure and air tight.
MODELS 50NT • 80NT
Page 3
ADDITIONAL MOUNTING
HOLES
FLUSH

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80nt

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