Mounting The Housing; Wiring; Installing Ductwork - NuTone 8663RP Instruction Manual

MOUNTING THE HOUSING

Note: When installing in existing construction, refer to page 3
Mounting Using Mounting Tabs
Refer to Figure 2.
1. L ocate fan housing next to ceiling joist.
2. U se wood screws (not provided) to loosely attach housing to ceiling joist
through keyhole slots in mounting tabs.
3. A djust 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. W hen housing is properly adjusted, tighten screws in slots.
Mounting Using Hanger Bars
Refer to Figure 3.
1. I nsert hanger bars in slots provded in housing.
2. L ocate fan housing between joists so that the bottom of the housing is even
with the planned finished ceiling.
3. U se screws or nails (not provided) to secure hanger bars to ceiling joists.

INSTALLING DUCTWORK

1. R efer to Figure 1. Place duct collar over flanges at discharge opening of fan.
Secure collar by snapping tabs into slots in flanges.
2. R un 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. R un 120vAC house wiring from wall switches to fan location, neutral (white),
ground (bare copper), and three switched hot leads. See Figure 4.
2. I nsert and secure an approved box connector into wiring entrance hole.
3. P ull wires through box connector and into junction box. Tighten box connector.
4. R efer to Figure 4A. (For 8663RP)
C onnect 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.
R efer to Figure 4B. (For 8664RP)
C onnect 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. C onnect 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
FIGURE 3
LIGHT
RECEPTACLE
Y
E
L
L
O
W
R
E
D
NIGHT
LIGHT
SWITCH
FIGURE 4A
LIGHT
RECEPTACLE
B
L
U
FIGURE 4B