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MOUNTING THE HOUSING
1. Refer to Figure 3. Insert mounting brackets at each end of
housing.
2. Place long side of housing parallel to ceiling joist. Position housing
in desired location. Make sure housing flange is even with the
planned finished ceiling.
3. Use screws or nails (not provided) to secure mounting brackets to
ceiling joists.
4. Refer to Figure 1. Use 4" round duct to discharge the ventilator to
the outside.
IMPORTANT: Be sure nothing obstructs the discharge of
the ventilator. Make sure that insulation does not get into the
duct work or into the fan.
WIRING
Refer to Figure 2.
1. Run 120v AC house power wiring (with ground) through switch box
to junction box in ventilator housing.
2. Remove ventilator junction box cover.
3. Connect white supply common lead to white leads from fan and
light receptacle. Connect black supply wire from fan switch to black
wire from fan receptacle. Connect black supply wire from light
switch to black wire from light receptacle. Connect supply ground
wire to green ground screw.
4. Replace junction box cover.
NOTE: BE SURE VENTILATOR AND SWITCH ARE PROPERLY
GROUNDED. ALL WIRING MUST COMPLY WITH LOCAL
ELECTRICAL CODES.
POWER/BLOWER UNIT INSTALLATION
1. Plug motor into socket in housing's junction box.
2. Position power unit over mounting screw in housing.
3. Slide unit forward using the guide on the blower housing to
engage opening in housing until mounting screw is seated in
narrow end of keyhole slot.
4. Refer to Figure 3. Securely tighten screw.
INSTALLATION IN EXISTING CONSTRUCTION
Installing the ventilator in an existing house requires an
accessible area (attic crawl space) above the planned installation
location. Review “INSTALLATION IN A NEW CONSTRUCTION”
and follow all instructions which apply to your installation.
Location – locate ventilator parallel to a ceiling joist.
Wiring and Ducting – plan ducting and wiring before proceeding
with installation. Refer to Figure 2 for wiring and Figure 1 for
ducting. CAUTION: Check area above planned installation to
be sure that the ducting can be installed, wiring can be run to
the planned location and that wiring or other obstructions will
not interfere with the installation.
INSTALLATION FROM ACCESSIBLE AREA
ABOVE
1. From below, drill a small hole in ceiling at the planned location.
Stick clothes hanger through hole to help locate it.
2. Locate hole in attic or crawl space.
3. In attic or crawl space, mark ceiling for cutout by using the
housing as a template. The long side of cutout must be parallel
to ceiling joist.
4. Make cutout along marked line.
NOTE: If ceiling is plaster, cutout should be made from
below to avoid chipping plaster.
5. Install housing, connect wiring and ducting, install power
unit/blower assembly and install grille.
FIGURE 3
DISCHARGE OPENING
HOUSING
MOUNTING
BRACKET
MOUNTING SCREWS
MOUNTING SPRING
NOTCHED BOSS
POWER UNIT
GRILLE