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Homewerks.com
Installation - Existing Construction (continued)
NOTE:
Install from above with suspension brackets (attic accessible) only if unable to attach directly to the ceiling joists.
4
Removing the duct connector
□
Remove the screws that attach the duct connector to
the fan housing (A), setting them aside to use again
later, and then remove the duct connector from the fan
housing (A).
□
Insert the fan housing (A) into the opening cut in the
drywall.
5
Attaching the fan housing to the
ceiling joists
CAUTION:
Allow for the thickness of the ceiling board
used in your application. Do not flush mount to the joist.
The flange should be flush with the ceiling board.
□
If spacing between joists is 12 in. apart, use 4 long
wood screws (AA) to attach the fan housing (A) to the
ceiling joists.
□
If spacing between joists is 16 in. - 24 in., and you have
attic access above, insert suspension bracket (DD) into
the bracket cover on the duct connector side of the fan
housing (A). Then, attach suspension bracket (EE) and
suspension bracket (FF) to the back of the fan
housing (A).
□
Secure fan housing (A) to the joists with the suspension
brackets (EE, FF) using wood screws (AA).
Joist
Ceiling
board
0.24 in.
AA
A
A
DD
FF
EE
AA
EE, FF
A
Duct connector
A
