Broan ZB110 Installation Manual page 7

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
12" (30.5 cm)
11" (27 .9 cm)
parallel with joists
1
Materials needed
• Tape to seal duct connections
• Existing rigid duct will require the
• Electrical wiring and supplies per
Punch out Mask from
packaging. See Step 12.
Remove
Instruction
Sheet
Existing ductwork and
wiring left in place
ZB80 ZB110 Installation Guide
n
addition of a short length of flexible duct
local code requirements
2