NuTone 8663RF - Manual (Page 2)

FAN LIGHT
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.
MOUNTING THE HOUSING
MOUNTNG 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 the 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 2. 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.
3. Connect duct to fan's duct collar.
WIRING
All wiring must comply with local codes and unit must be
properly grounded.
1. Run 120vAC house wiring (with ground) from wall switches to fan
location.
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 Figures 4 and 5. If a single switch will be used to control
both the fan and the light, make wiring connections as shown in
Figure 4. If a double switch will be used for separate control of the
fan and light, make connections as shown in Figure 5.
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.
FIGURE 3
FIGURE 5 FIGURE 4
2
EARTH
GROUND
EARTH
GROUND
120vAC,
60 Hz
HOUSE
POWER
STANDARD WALL SWITCH
(NOT INCLUDED)
STANDARD WALL SWITCH
(NOT INCLUDED)
120vAC,
60 Hz
HOUSE
POWER
FAN FAN
SWITCH
BOX
SWITCH
BOX
LIGHT LIGHT
FIGURE 2
Duct Collar
Flanges
Wirng
Knockouts
Mounting
Tabs
Bottom
Rim