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MOUNTING THE HOUSING
Note: When installing in existing construction, refer to page 3
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 provded in housing.
2. Locate fan housing between joists so that the bottom of the housing is even
with the planned finished ceiling.
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 ground-
ed.
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 4A. (For 8663RP)
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.
Refer to Figure 4B. (For 8664RP)
Connect white wires from the fan and light receptacles to white (neutral) wire
from the supply. Connect black wire from fan (BLK) receptacle to wire from fan
switch. Connect blue from light (WH) receptacles to wire from light switch.
5. Connect the green (or bare) ground wire to the green ground lead.
Duct Collar
Flanges
Wiring
Knockouts
Bottom
Rim
FIGURE 2
FAN
RECEPTACLE
G
R
O
U
N
D
FAN
SWITCH
120 VAC
FAN
RECEPTACLE
G
R
O
U
N
D
Mounting
Tabs
FAN
SWITCH
120 VAC
B
L
K
WHITE
LIGHT
SWITCH
8663RP
B
L
K
WHITE
LIGHT
SWITCH
8664RP
LIGHT
RECEPTACLE
Y
E
L
L
O
W
R
E
D
NIGHT
LIGHT
SWITCH
FIGURE 4A
LIGHT
RECEPTACLE
B
L
U
FIGURE 4B
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