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Broan 757SNC Manuel D'instructions page 2

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TYPICAL INSTALLATIONS
(continued)
BH0018A
SUSPENDED CEILINGS
Housing hung with wires - 3-point mount.
INSTALL THE HOUSING
- PLEASE NOTE -
THE FOLLOWING INSTALLATION ILLUSTRATIONS SHOW 2 X 6
JOISTS. IF YOU HAVE A TRUSS OR "I"-JOIST INSTALLATION,
MOUNT THE VENTILATOR TO THE ADDITIONAL FRAMING
IN THE SAME MANNER. (Additional framing must be a 2 x 6
(minimum height), at least 9-inch long.)
New Construction
1. Choose the location for your fan in the ceiling. For best possible
performance, use the shortest possible duct run and a minimum number
of elbows.
H
OLES
T
AB
1-1/4
1
5/8
BR0003
B
OTTOM EDGE OF JOIST
2. Position mounting brackets against joist so that bottom edge of housing
will be fl ush with fi nished ceiling.
Additional positioning feature for 5/8", 1", & 1¼"
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.
All manuals and user guides at all-guides.com
INSTALL THE HOUSING
(continued)
3. Set housing aside and drive nails partially into joist at the top of both
4. Hang housing from nails and pound nails tight. To ensure a noise-free
1. Choose the location for your fan/light in the ceiling. For best possible
2. In attic, position mounting brackets against joist. Trace outline of housing
3. Set housing aside and cut ceiling opening slightly larger than marked.
New Construction
BR0004
keyhole marks.
BR0005
mount, pound another nail through the top hole of each mounting tab.
Existing Construction
performance, use the shortest possible duct run and a minimum number
of elbows.
BR0006
on ceiling material.
MODEL 757SNC
Page 2

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