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INSTALLATION IN A NEW
CONSTRUCTION SITE
PREPARATION
1. Refer to Figure 1. Remove power unit/blower assembly from
housing.
A. Unplug power unit.
B. Remove screw (located next to plug-in receptacle) which holds
power/blower unit mounting plate in place. Save screw.
C. Lift mounting plate at end near the plug-in receptacle until
blower wheel clears the scroll.
D. Remove plate by pulling its tabs out of slots in housing. Set
power/blower unit aside until needed.
2. Remove one of the wiring knockouts from housing.
MOUNTING THE HOUSING
MOUNTING USING MOUNTING TABS
Refer to Figure 2.
1. Locate fan housing next to ceiling joist.
2. Use wood screws (not provided) to loosely attach housing to
ceiling joist through keyhole slots in mounting tabs.
3. Adjust housing so that it will be flush with finished ceiling. For the
grille to fit properly, the housing's rim must not extend beyond
finished ceiling surface.
4. When housing is properly adjusted, tighten screws in slots.
MOUNTING USING HANGER BARS
Refer to Figure 3.
1. Insert hanger bars in slots provided in housing.
2. Locate fan housing between joists so that the bottom of the
housing is even with the planned finished ceiling. Extend the
hanger bars to the joists.
3. Use screws or nails (not provided) to secure hanger bars to ceiling
joists.
INSTALLING DUCTWORK
1. Refer to Figure 1. Place duct collar over flanges at discharge
opening of fan. Secure collar by snapping tabs into slots in
flanges.
2. Run 4" round duct from fan's discharge opening to the outside and
terminate.
WIRING
All wiring must comply with local codes and unit must be
properly grounded.
IMPORTANT: Use wire suitable for 90°C.
1. Run 120vAC house wiring from wall switches to fan location,
neutral (white), ground (bare copper), and three switched hot
leads. See Figure 4.
2. Insert and secure an approved box connector into wiring entrance
hole.
3. Pull wires through box connector and into junction box. Tighten
box connector.
4. Refer to Figure 4. Connect white wires from the fan and light
receptacles to white (neutral) wire from the supply. Connect black
wire to wire from fan switch. Connect red wire to wire from light
switch. Connect yellow wire to wire from night light switch.
5. Connect the green (or bare) ground wire to the green ground lead.
POWER/BLOWER UNIT INSTALLATION
1. Refer to Figure 1. Place power/blower unit into housing so that
mounting plate's tabs insert into slots in housing.
2. Press other end of mounting plate down until it is firmly seated
over scroll and plug-in receptacles.
3. Secure mounting plate to housing with provided screw.
4. Insert motor plug into junction box receptacle.
DUCT COLLAR
FLANGES
BOTTOM RIM
GROUND
LEAD
FAN
RECEPTACLE
B
L
K
WHITE
FAN
SWITCH
120 vAC
WIRING
KNOCKOUTS
MOUNTING
TABS
FIGURE 2
FIGURE 3
LIGHT
RECEPTACLE
R
E
D
LIGHT
NIGHT
SWITCH
LIGHT
SWITCH
FIGURE 4
Y
E
L
L
O
W
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