ZB110L READ AND SAVE THESE INSTRUCTIONS X2 | Multi-Speed Ventilation Installer: leave this guide with homeowner. Fan with Light and Night Light Register your product online at www.broan.com/register. INSTALLATION GUIDE Table of Contents Warnings and Cautions Typical Installation New Construction Installation...
Page 2 ZB80L ZB110L Installation Guide WARNING CAUTION TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR . For general ventilating use only. Do not use to exhaust INJURY TO PERSONS, OBSERVE THE FOLLOWING: hazardous or explosive materials and vapors.
Page 3 ZB80L ZB110L Installation Guide New Construction Installation Tools needed Materials needed • Power screwdriver with a Phillips bit • 6" round metal ducting recommended for best performance. Use of other ducting is acceptable but may impact performance. • Phillips screwdriver •...
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Page 4 ZB80L ZB110L Installation Guide New Construction Installation Snap-in and Secure Housing Position Housing between joists and crimp channel on both sides of Mounting Frame to lock Housing in place. Do not crimp Housing. Screws from Parts Bag Attach Duct Connector and Ducting...
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Page 5 ZB80L ZB110L Installation Guide New Construction Installation Connect Wires and Install Knockout Plate • Run 120VAC electrical wiring to the installation location. • Use proper UL-approved connectors to secure wiring to the Knockout Plate provided in Parts Bag.
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Page 6 ZB80L ZB110L Installation Guide New Construction Installation Insert Mask and Finish Ceiling • Install ceiling material. • Cut out around Housing. Mask protects unit during construction. Remove before installing Grille. Install Grille Install Bulbs Night Light (purchase separately)
Page 7 ZB80L ZB110L Installation Guide Retrofit Installation Tools needed Materials needed • Power screwdriver with a Phillips bit • Ruler • Tape to seal duct connections • Phillips screwdriver • Pencil • Existing rigid duct will require the addition of a short length of flexible duct •...
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Page 8 ZB80L ZB110L Installation Guide Retrofit Installation Remove Blower Assembly Set aside Blower Assembly Both sides Remove Wiring Panel Set aside Wiring Panel Set aside screw Insert Mounting Frame Remove screws from Mounting Frame Bend up and set aside...
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Page 9 ZB80L ZB110L Installation Guide Retrofit Installation Secure Mounting Frame Screws set aside in Step 7 Snap-in Housing Pull existing wiring into Housing as it is inserted into Mounting Frame Attach Ducting and Duct Connector Screw from Parts Bag...
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Page 10 ZB80L ZB110L Installation Guide Retrofit Installation Install Knockout Plate, Connect Wires and Install Wiring Panel • Use proper UL-approved connectors to secure wiring to the Knockout Plate provided in Parts Bag. • Connect wires as shown in wiring diagram.
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Page 11 ZB80L ZB110L Installation Guide Retrofit Installation Insert and Secure Blower Assembly Screws from Parts Bag If ceiling repairs are needed, place Mask in Housing after Blower Assembly is secured. See New Construction Installation Step 6. Remove Mask before installing Grille.
Duct Connector may be preventing the damper from opening. • Check that the back draft damper in the wall or roof cap ZB80L User-adjustable controls pivots freely. These dampers are sometimes mistakenly painted shut or obstructed by bird and insect debris.
Fan or part thereof, to the extent Broan finds it to be covered by and in breach of this limited warranty. Broan will ship the repaired or replaced Fan or replacement parts to you at no charge.
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