Power cable should be routed to the switch box first and then to the unit (See “CONNECT WIRING” on page 3). • Do not operate this unit with a speed control. Damage to the sensor unit will result. • Light or night-light may be installed with a wall- mounted motion control. ROOF CAP * 6-in. ROUND DUCT * I-JOIST WALL CAP * 6-in. ROUND ELBOW * * Purchase separately OR 1b. Mount housing anywhere between trusses, joists, or I-joists using hanger bars. Sliding hanger bars are provided to allow for accurate positioning of housing anywhere between framing. They can be used on all types of framing (I-joist, standard joist, and truss construction) and span up to 24”. 2. Attach damper/ duct connector. Snap damper / duct connector onto housing. Make sure connector is flush with top of housing and damper flap falls closed. tab screws (4) 3. Install 6-inch round ductwork. Connect 6-inch round ductwork to damper / duct connector. Run ductwork to a roof cap or wall cap. Tape all ductwork connections to make them secure and air tight. mounting channel (2) hanger bar (4) CONNECT WIRING Attach the MOUNTING CHANNELS to the housing using the screws supplied. Make sure TABS face “up” as shown. Use the set of channel mounting holes (marked “STD”) to mount the housing flush with the bottom of the drywall. Use the other set of holes (not marked) to mount the housing flush with the top of the drywall. WIRING OPTION #1 - Allows fan to operate in automatic mode or manual mode (for odor control) by cycling ON/OFF switch. MODEL 66V/66W, P66V/P66W3-FUNCTION CONTROL (PURCHASE SEPARATELY) LIGHT(ON/OFF) COMNIGHT LIGHT(ON/OFF) FAN(AUTO/OFF) 120VACLINEINSWITCH BOXWHTGRDBLKBLUREDWHTUNITORGBLKWHTGRDBLKREDLIGHTNIGHT LIGHTWHTWHTBLKWHTBRNHUMIDITYCONTROLFAN * screw (2) hole for optional screw mounting (4) WIRING OPTION #2 - Fan can be turned ON, OFF, or set to operate automatically. MODEL 77DV, 77DW, P77DV, P77DW4-FUNCTION CONTROL (PURCHASE SEPARATELY) FAN(ON/OFF/AUTO) 120VACLINEINSWITCH BOXGRDREDREDBLUUNITREDBLUWHTGRDWHTBLKBLKREDWHTBLKNIGHT LIGHT(ON/OFF) LIGHT(ON/OFF) COMCOMBLKBLKWHTORGWHTBLKWHTBRNHUMIDITYCONTROLFANWHTNIGHT LIGHTLIGHT bottom edge of framing nail (4) Extend hanger bars to the width of the framing. Hold ventilator in place with the hanger bar tabs wrapping around the bottom edge of the framing. Nail ventilator to framing or fasten with screws (not provided) through holes near nails. * To ensure a noise-free mount: Secure hanger bars together with screws or use a pliers to crimp mounting channels tightly around hanger bars. 4. Connect electrical wiring. Run 120 VAC house wiring to installation location. Use proper UL approved connector to secure house wiring to wiring plate. Connect wires as shown in wiring diagrams. INSTALL GRILLE SERVICE PARTS 6. Finish ceiling. Install ceiling material. Cut out around housing. 7. Plug in wiring. Plug wiring into the proper receptacles. TAB 9. Push grille against ceiling. 8. Attach grille to housing. Squeeze grille springs and insert them into slots on each side of housing. SERVICE NOTE To remove Blower Assembly: Unplug motor (7). Remove thumbscrew (21) from motor plate (9) flange. Find the single tab on the motor plate (located next to the receptacle). Push up near motor plate tab while pushing out on side of housing. Or insert a straight-blade screwdriver into slot in housing (next to tab) and twist screwdriver. Replacement parts can be ordered on our website. Please visit us at 10. Remove light lens. Carefully insert a small flat-blade screwdriver between grille and lens. Pry lens out. 11. Install light bulbs. Insert fluorescent bulb (supplied) into its socket. Purchase a 4W incandescent night-light bulb and screw it into its socket. Replace lens. Key No. Part No. Description 1 97016466 Housing 2 97016450 Duct Connector-6” 3 98010102 Wiring Plate 4 99170245 Screw, #8-18 X .375 5 97017086 Wire Panel/Harness Assembly * 6 99020284 Blower Wheel 7 99080580 Motor 8 99100491 Isolator (4 req’d) 9 97017084 Motor Plate & Control Assembly * 10 99250959 Washer #8 (4 req’d) 11 99260558 Nut, Hex Lock #8-32 (4 req’d) * 97017088 Blower Assembly * (includes key nos. 6 thru 11) 12 97016864 Ballast Assembly * 13 99260423 Nut, Hex #8-32 (2 req’d) 14 97016966 Grille Assembly * (includes key nos. 15, 17 & 20) 15 99140199 Grille Spring (2 req’d) 16 99271358 Bulb, 42W Fluorescent 17 99111345 Lens 18 99111293 Spacer (2 supplied) 19 SQTHB1 Hanger Bar Kit 20 99271344 Sensor Wire Harness 21 99420665 Thumbscrew, #8-18 x .375 WARRANTY BROAN THREE YEAR LIMITED WARRANTY Broan warrants to the original consumer purchaser of its products that such products will be free from defects in materials or workmanship for a period of three years from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. During this three-year period, Broan will, at its option, repair or replace, without charge,...