
MODELS 50NT • 80NT
Page 4
CONNECT THE WIRING
1. Wire unit following diagram. Run electrical cable as direct as
possible to unit. Do not allow cable to touch sides or top of unit
after installation is complete.
ATTACH THE GRILLE
1. Squeeze grille springs together and insert springs into slots in
motor plate.
2. Push grille up against ceiling.
99044581C
B L K
B L K
W H T
W H T
G R D
U N I T
S W I T C H B O X
O N / O F F
S W I T C H
L I N E
I N
B L K
W H T
G R D
M
SWITCH BOX
ON / OFF SWITCH
(purchase separately)
WHITE
BLACK
GROUND
(bare)
WIRING
PLATE
120 VAC
LINE IN
RECEPTACLE
GRILLE SPRING
SLOT IN MOTOR PLATE
1
3
8
6
9
10
2
11
7
4
5
12
SERVICE PARTS
KEY NO.
PART NO.
DESCRIPTION
1
97018333
Grille Assembly
2
97018310
Motor Plate Assembly
3
99080656
Motor (50NT)
99080634
Motor (80NT)
4
99020300
Blower Wheel Assembly
5
99260425
Motor Nut - Hex Keps
*
97018554
Blower Assembly (50NT)
(includes Key Nos. 2 thru 5)
*
97018326
Blower Assembly (80NT)
(includes Key Nos. 2 thru 5)
6
99270982
Receptacle
7
98009611
Wire Panel
*
97015170
Wire Panel Assembly -
(includes Key Nos. 6 & 7)
8
97014922
Housing
9
97003932
Damper/Duct Connector
10
98008868
Wiring Plate
11
99170245
Screw, #8-18 x 3/8
12
99150471
Ground Screw
* Not shown assembled.
Order replacement parts by “PART NO.” - not by “KEY NO.”