Installation - Existing Construction
Step 3: Enlarging the opening (optional)
Step 4: Fan housing placement
A
Step 5: Mount the fan housing
E
A
• All existing and new hole cut outs need to
•
CEILING JOIST
• Place the fan housing (A) next to a ceiling
• Mount the fan housing (A) to the joist
CEILING JOIST
E
be 7.3 in. x 7.5 in. For existing holes that
are smaller, enlarge hole to new size.
NOTICE
Make sure 7.5 in. side
of opening is flush with joist.
Using a drywall saw or utility knife, cut
drywall or ceiling material out to make
the new size opening.
joist or wall stud. The fan housing should
be level and perpendicular to the joist
or stud.
NOTICE
All work from this point on
should be completed from attic or space
above installation area. You may need a
second person below to hold fan housing
in place until secured.
using wood screws (E) where
indicated.
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