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Remove old
1 4
fan and prepare
ceiling.
Enlarge ceiling opening (if
necessary) to 9 ¾" (parallel to
joist) by 10 ½" (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 6
Connect power cable that will supply
constant 120VAC to unit. Attach
wiring to wiring plate (from parts bag)
using UL approved connector. Connect
house wiring to fan wiring - black to
black, white to white, and green to green
or bare wire. Use screw (from parts bag)
to secure wiring plate to fan housing.
Re-install wiring panel and secure
with screw from parts bag. See wiring
diagram on page 4.
Connect 4-in. round duct.
1 8
Pull existing ducting through housing discharge
opening and
tape ducting to duct connector.
Push connector/ducting back through opening.
Engage tabs and
Install blower.
1 9
Re-install blower removed in
Step 1. Secure blower with 2
screws from parts bag. Plug
blower into black receptacle.
RETROFIT INSTALLATION
1
secure with screw from parts bag.
ALL INSTALLATIONS
10½-in.
9¾-in.
3
1
2
3
Fold mounting ears
1 5
fl at against housing.
JOIST
2
Mount fan to
1 7
ceiling structure.
Mount
housing
to ceiling
structure with
appropriate
fasteners
in locations
shown.
Center hole is optional.
*
4
Continue with Step 9.
*
TABS
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