Broan 758 User Manual page 2

TYPICAL INSTALLATIONS
(continued)
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 INSTALLA-
TION, MOUNT THE VENTILATOR TO THE ADDITIONAL FRAM-
ING 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 ceiling. For best
possible performance, use the shortest possible duct run
and a minimum number of elbows.
HOLES
TAB
1-1/4
1
5/8
BOTTOM EDGE OF JOIST
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
housing until tabs contact underside of joist.
Mark the keyhole slot on both mounting brackets.
INSTALL THE HOUSING
(continued)
3. Set housing aside and drive nails partially into joist at the
4. Hang housing from nails and pound nails tight. To ensure
1. Choose the location for your fan/light in the ceiling. For
2. In attic, position mounting brackets against joist. Trace
0
outward. Lift
3. Set housing aside and cut ceiling opening slightly larger
New Construction
top of both keyhole marks.
a noise-free mount, pound another nail through the top
hole of each mounting tab.
Existing Construction
best possible performance, use the shortest possible duct
run and a minimum number of elbows.
outline of housing on ceiling material.
than marked.
MODEL 758
Page 2