Instructions / Assembly
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
BLK
BLK
WHT
WHT
GRD
UNIT
SWITCH BOX
ON / OFF
SWITCH
LINE
IN
BLK
WHT
GRD
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.”