Broan 764BN Manual page 2

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 AD-
DITIONAL FRAMING IN THE SAME MANNER. (Additional
framing must be a 2x6 (minimum height).
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
outward. Lift
0
1. Choose the location for your fan/light in the ceiling. For best
2. In attic, position mounting brackets against joist. Trace
3. Set housing aside and cut ceiling opening slightly larger
MODELS 764BN • 764RB • 764WH
New Construction
top of both keyhole marks.
a noise-free mount, pound another nail through the top
hole of each mounting tab.
Existing Construction
possible performance, use the shortest possible duct run
and a minimum number of elbows.
outline of housing on ceiling material.
than marked.
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