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Attach damper/duct connector to
1 5
fan housing.
Push connector
through opening
from inside of
housing.
Engage tabs
and secure with
TABS
screw from
parts bag.
Connect 4-in.
1 7
round duct.
Remove old
1 5
fan and prepare
ceiling.
Enlarge ceiling opening (if
necessary) to 9¾" parallel to
joist) by 10½" (perpendicular
to joist). (Some models have
a cut-out template on side of
carton.)
Existing fan housings are typically attached to the structure:
• with screws, nails, or staples, which must be removed.
• with hangers or rails which are fastened to joists and must be removed along with housing.
A pry bar may be needed to remove the old housing.
Leave ductwork and wiring in place.
Connect wiring.
1 7
Connect power cable to wiring
plate (from parts bag) using UL
approved connector. Connect house wiring
to fan wiring. Refer to wiring diagrams for
connection details. Use screw (from parts
bag) to secure wiring plate to fan housing.
Re-install wiring panel and secure with
screw from parts bag.
NEW INSTALLATION
Connect
8
1
wiring.
Connect power cable
to wiring plate (from
parts bag) using UL
approved connector.
Connect house
wiring to fan wiring.
Refer to wiring
diagrams for connection details. Use screw
(from parts bag) to secure wiring plate to fan
housing. Re-install wiring panel and secure with
screw from parts bag.
RETROFIT INSTALLATION
1
Mount housing to
1 6
ceiling structure.
Make sure bottom of housing will
be flush with finished ceiling.
For proper location using ½"
ceiling material: Bend out
housing tabs (on outside of
housing) to fit against bottom of
joist.
Secure housing through
mounting ears with appropriate
fasteners. If mounting housing
to I-joist, use wood blocking as
shown.
10½-in.
9¾-in.
3
HOUSING TABS
Install housing
1 9
mask.
Place
mask
into
housing
opening to
prevent
drywall spray
and construction dust from
damaging sensor.
Finish ceiling.
10
1
Then continue with Step 11.
Fold mounting ears
1 6
fl at against housing.
JOIST
2
Mount fan to ceiling structure.
1 8
Mount housing
to ceiling
structure with
appropriate
fasteners
in locations
shown.
I-JOIST
WOOD
BLOCKING
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