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Page 2 XB50 n XB80 n XB110 Installation Guide WARNING CAUTION TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING: 1. Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer at the address or telephone number listed in the warranty. 2. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from being switched on accidentally.
Page 3 XB50 n XB80 n XB110 Installation Guide New Construction Installation Tools needed Materials needed • Power screwdriver with a Phillips bit • Phillips screwdriver • 6" round metal ducting recommended for best performance. Use of other ducting is acceptable but may impact performance.
Page 4 XB50 n XB80 n XB110 Installation Guide New Construction Installation and 3 Snap-in Secure Housing 1 2 ! snap 4 Position Housing between joists and crimp channel on both sides of Mounting Frame to lock Housing in place. Do not crimp Housing.
Page 5 XB50 n XB80 n XB110 Installation Guide New Construction Installation 5 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. • Connect wires as shown in wiring diagram. 1 Attach cable clamp to Knockout Plate. Knockout Plate mounts to outside of Housing and may be oriented as desired.
Page 6 XB50 n XB80 n XB110 Installation Guide New Construction Installation Mask and 6 Insert Finish Ceiling • Install ceiling material. • Cut out around Housing. Mask protects unit during construction. Remove before installing Grille. 7 Install Grille 1 2 See Page 12 for Operations, Cleaning and Maintenance, and Troubleshooting.
Page 7 XB50 n XB80 n XB110 Installation Guide Retrofit Installation Tools needed Materials needed • Power screwdriver with a Phillips bit • Ruler • Tape to seal duct connections • Phillips screwdriver • Pencil • Flathead screwdriver • Drywall saw • Existing rigid duct will require the addition of a short length of flexible duct • Pliers • Claw hammer or pry bar • Wire insulation stripper • Utility knife • Electrical wiring and supplies per local code requirements • Wire cutter 1 Remove
Page 8 XB50 n XB80 n XB110 Installation Guide Retrofit Installation 5 Remove Blower Assembly Set aside Blower Assembly 1 2 Both sides 3 6 Remove Wiring Panel Set aside Wiring Panel Set aside screw 1 2 3 7 Insert Mounting Frame 4 3 5 1 Remove screws from Mounting Frame and set aside 2 Bend up four tabs
Page 9 XB50 n XB80 n XB110 Installation Guide Retrofit Installation 8 Secure Mounting Frame Screws set aside in Step 7 9 Snap-in Housing 2 ! snap 1 Pull existing wiring into Housing as it is inserted into Mounting Frame 10 Attach Ducting and Duct Connector 4 Screw from Parts Bag Pull existing ductwork into Housing 3 1 Insert tab into slot inside Housing 2 6" Ducting Tape 4" Ducting Tape Tape 6" to 4" Reducer provided in select models
Page 10 XB50 n XB80 n XB110 Installation Guide Retrofit Installation 11 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. 1 Attach cable clamp to Knockout Plate. Knockout Plate mounts to inside of Housing and may be oriented as desired.
Page 11 XB50 n XB80 n XB110 Installation Guide Retrofit Installation 12 Insert and Secure Blower Assembly 2 1 3 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.
Page 12 WARNING Before servicing or cleaning unit, 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. Operation To Operate Fan Use an ON/OFF switch to operate this ventilator.
Page 13 XB50 n XB80 n XB110 Installation Guide Service Parts Warranty 1 2 3 4 5 6 7 8 Order replacement parts by Part No., not by Key No. 9 10 11 Key No. Part No.
