Typical Installations - Broan 676 Instrucciones

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TYPICAL INSTALLATIONS

(continued)
4" ROUND
DUCT
HOUSING
SUSPENDED
CEILING MATERIAL
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 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.
Broan at
Call 1-800-667-8721 anywhere in the US and Canada -
®
POWER
CABLE
MOUNTING
TAB
GRILLE
0 outward. Lift
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INSTALL THE HOUSING
(continued)
New Construction
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.
Existing 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.
2. In attic, position mounting brackets against joist. Trace
outline of housing on ceiling material.
3. Set housing aside and cut ceiling opening slightly larger
than marked.
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