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Page 2 EZ80NC Installation Guide Operation WARNING 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 EZ80NC Installation Guide Installation - Replace an Existing Fan Tools needed Materials needed • • • • • • • 4" round metal ducting recommended for best performance. Use of other ducting is acceptable but may impact performance. Existing metal duct will require the addition of a short lenght of flexible duct.
Page 4 EZ80NC Installation Guide Installation - Replace an Existing Fan 3 Mark Ceiling Using Template Make sure existing fan is no larger than 8” x 8¼”. ” 8¼ 1 IST M JO 2 CL r Fo it rof ret ins g. g min fra ilin D CL O C F EN IN T S E TA R L LI L N A E T IO N ins ” ta ofit etr rr ¼ 12 ce st ain s.
Page 5 EZ80NC Installation Guide Installation - Replace an Existing Fan 5 1 Install New Housing Lift new fan housing up into enlarged opening in ceiling material. Hold housing firmly up against ceiling material and carefully tighten 4 clamps with a Phillips screwdriver. 2 When turned clockwise (with a Phillips screwdriver), clamps will spin outward from housing and move downward on top of ceiling material to properly secure housing in place. Minimum ceiling thickness to be 1/2”.
Page 6 EZ80NC Installation Guide Installation - Replace an Existing Fan 7 WARNING Connect Electrical Wiring 9 Install Grille TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING: If unfamiliar with electrical wiring, secure the services of a qualified person to connect wiring according to all applicable codes and standards. Connect house wiring to wiring plate with UL approved connector. Connect wiring as shown in diagrams.
Page 7 EZ80NC Installation Guide Installation - New Construction 1 Remove from Packaging (see Page 3) Prepare the Housing (see Page 3) 2 3 Install Fan Housing & Connect Ductwork 1 Insert duct connector into opening and fasten to housing with tab and screw provided. 2 Attach housing to 2" x 6" or greater joists. 3 Position fan against ceiling framing so that bottom edge of housing will be flush with finished ceiling. Use 4 screws to attach housing to framing.
Page 8 EZ80NC Installation Guide Service Parts Warranty 1 2 3 4 6 5 7 8 9 Key No. Part No. 1 2 3 4 5 6 7 8 9 79110158 97019326 77001297 77001447 97019006 77001277 97019349 79140014 97019525 Description 4” to 3” Reducer Wiring Plate Capacitor Tightening Clamps (4) Wiring Cover Assembly Duct Connector Assembly Blower Assembly Grille Spring (2) Grille Assembly (includes key no. 8) Order replacement parts by Part No., not by Key No.
