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Page 7
Retrofit Installation
Tools needed
• Power screwdriver with a Phillips bit
• Phillips screwdriver
• Flathead screwdriver
• Pliers
• Wire insulation stripper
• Wire cutter
1
Remove Packaging
Parts Bag holds
Knockout Plate
and six (6)
screws
2
Switch Off Power
WARNING
Before removing existing fan, switch power off at service panel and lock the service disconnecting
means to prevent power from being switched on accidentally. When the service disconnecting means
cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.
3
Enlarge Ceiling Opening and Remove Existing Fan
4
Examine Wiring
Examine the existing wiring to make sure it is not damaged. If any damage is found,
DO NOT CONTINUE INSTALLATION of this product. Contact a qualified person(s) for repair.
• Ruler
• Pencil
• Drywall saw
• Claw hammer or pry bar
• Utility knife
Remove
Instruction
Sheet
12" (30.5 cm)
11" (27 .9 cm)
parallel with joists
1
ZB90LC
Materials needed
• Tape to seal duct connections
• Existing rigid duct will require the
addition of a short length of flexible duct
• Electrical wiring and supplies per
local code requirements
• 4W (max.) C7-type night light bulb
Remove CFL Bulbs
from protective packaging
Existing ductwork and
wiring left in place
ZB110LC Installation Guide
n
Punch out Mask from
packaging. See Step 12.
2
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