NEW HOME INSTALLATION
MODELS 761, 763, 765, 768IC, AND 770IC
NOTE: Plastic scroll and motor assembly can be removed from the metal housing prior to step one if desired. Simply loosen four mounting screws securing scroll to housing and slide it towards the outlet box. Carefully lift and tilt scroll, motor and wheel assem- bly to remove it from housing. (See Fig. 1 & 2.)
1.Pull motor plug from receptacle. Remove outlet box cover and desired knockout from housing.
2.If the duct adapter is attached, disregard this note. Attach duct adapter to housing by first hooking mounting flange over edge of air discharge opening. Pivot duct adapter insuring (2) aligning tabs are inside opening and align (2) locking tabs with small rectangular holes. Press firmly into holes to lock. See Fig. 3. Remove tape securing damper.
NOTE: The attachment of the duct adapter to the housing may be reinforced if desired, by installing a #8AB screw through the oblong hole in the duct adapter and the small round hole in the housing.
3.Insert mounting brackets with angle pointing away from housing. Position housing into ceiling location. Housing is stamped to show a line at 3/8” for drywall and 3/4” for standard sheetrock and plaster. Fasten securely through mounting holes provided in housing. (Fig. 4.) Pull mounting brackets against adjacent ceiling joist and fasten securely. (Fig. 5.)
4.Run 120vAC, 60 Hz power cables from wall switch/switches to appropriate knockout in housing. Use a BX or Romex con- nector. (Refer to wiring diagram designated for the model being installed.) Connect cables from wall switch/switches to receptacle wires using approved wire connectors. Connect ground wire to green screw or lead in outlet box. Install outlet box cover and secure with screw provided.
5.Run four inch round duct from fan air discharge outlet to wall cap or roof cap. See Figs. 6 & 7.
IMPORTANT: Be sure nothing obstructs the discharge of the fan. Take precautions to insure that insulation does not get into duct work or fan discharge opening, and damper opens and closes freely.
6.Carefully replace plastic scroll, motor and wheel assembly if unit was disassembled for installation. Reverse procedure as noted. Tighten screws securely and push plug into motor receptacle.
7.(MODELS 761, 763 & 765 ONLY)
Squeeze springs on grille and insert in tabs located in housing. See Fig. 1. Press grille firmly into place.
8.(MODELS 768IC & 770IC ONLY)
Center reflector in center of grille. Push light plug into recepta- cle. Center reflector/grille assembly over housing and engage 1” mounting bolt through center hole in reflector into metal mounting bracket located on plastic scroll and motor assembly. Tighten bolt until grille is firmly pulled against the ceiling. See Fig. 2.
9.Install light bulb. (Type
10.Install the
DUCT ADAPTER
LOCKING
TABS
ALIGNING
MOUNTING
FLANGE
FIG. 3
FIG. 4
FIG. 5
