RETROFIT
5. Remove old fan.
Enlarge ceiling opening (if necessary)
to 9¾" (parallel to joist) by 10½"
(perpendicular to joist). Leave ductwork
and wiring in place.
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10½-in.
9¾-in.
6. Fold mounting ears flat
against housing.
7. Connect wiring.
Connect power cable to housing with appropriate
UL approved connector (not included). Make wiring
connections as shown in "Wiring Diagrams" section. Re-
install wiring panel and secure with screw from parts bag.
JOIST
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8. Mount fan to ceiling structure.
Mount housing to ceiling structure with standard
drywall or wood screws (not included) in locations
shown.
*
Center hole optional.
CAUTION
• DO NOT TOUCH THE HUMIDITY-
SENSING CIRCUIT BOARD.
Electrostatic discharge may damage
the circuit board.
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