NuTone 768CHNT - Manual (Page 3)

Page 3
MODEL 768CHNT
FINIAL
NUT
GLASS
SHADE
GRILLE
PAN ROD
WASHER
60 WATT
MAX.
B10 BASE
CANDELABRA
BULBS
(2 REQ.)
STEEL
WASHER
FELT
WASHER
(Add second
washer as
needed to
secure shade
tightly.)
FELT
WASHER
B L K V E N T
S W I T C H
B L U
B L K
W H T
W H T
W H T
L I G H T
( W H I T E )
G R D
V E N T
( B L A C K )
U N I T S W I T C H B O X
L I G H T
S W I T C H
L I N E
I N
B L K
R E D
W H T
G R D
SCHEMATIC WIRING DIAGRAM
SWITCH BOX
LIGHT
FAN
DUAL CONTROL
(purchase separately)
WHITE
BLACK RED
GROUND
(bare)
WIRING
PLATE
120 VAC
LINE IN
BLUE BLACK
RECEPTACLE
(FAN)
WHITE
RECEPTACLE
(LIGHT)
INSTALL THE HOUSING
(continued)
ATTACH THE GRILLE PAN AND
GLASS SHADE
INSTALL THE DUCTWORK
FLUSH
NOTE: The duct connec-
tor has a counter-balanced
damper flap. The flap will be
CONNECT THE WIRING
1. Snap the damper/duct connector onto housing. Make sure
that tabs on the connector lock into slots in housing. Top of
damper/duct connector should be flush with top of housing.
2. Connect 4” round duct to damper/duct connector and
extend duct to outside through a roof or wall cap. Check
damper to make sure that it opens freely. Tape all duct
connections to make them secure and air tight.
“open” approx. 1” when duct connector is attached to housing.
This design permits insulation to be in direct contact with fan/
light housing per UL (Underwriters Laboratories) standards.
The slightest backdraft, however, will close the damper flap,
preventing air from entering unit or finished space.
4. Place housing in opening so that its bottom edge is flush
with finished ceiling. Nail to joist through keyhole on both
sides. To ensure a noise-free installation, drive another nail
through the top hole of each mounting bracket.
Existing Construction
5. Additional mounting holes are provided for installations
where access from above is inconvenient or not possible.
Nail or screw housing directly to joists or framing.
ADDITIONAL
MOUNTING
HOLES
1. Locate the grille pan over
the fan housing and con-
nect the wiring harness
plug into white receptacle
in the fan housing.
2. Insert rod through center
hole of grille pan. Use
washer between collar
on rod and pan.
3. Thread rod onto grille
screw in housing, until
pan is tight against ceil-
ing. Do not over-tighten
mounting rod.
4. Install bulbs. Use 60-watt
(maximum), B10 type,
candelabra bulbs.
5. Place washers and glass
shade over mounting rod
and align shade onto
grille pan. Secure glass
shade to grille pan with
felt washer(s) and finial
nut as shown.
6. Restore electrical power
and check operation of
the unit.
1. Wire unit following diagram
above. Run electrical cable as
direct as possible to unit. Do not
allow cable to touch sides or top of unit after installation is
complete.
GRILLE
PAN
GRILLE
SCREW
WASHER
COLLAR ROD
WASHER GLASS SHADE