SEL0016521
9
2
1
BR
1
GY
GY
1
2
3
Y/G
GY
BU
NOTE: Wiring diagram is drawn
G
L
N
with plenum in down position.
Exterior-Mounted Blower Motor
1
BR
GY
N.O.
Com
R
3
N.C.
Blower Switch Operation
Contact
6
1 - 3
3 - 5
5 - 7
8 - 10
10 - 12
NOTE: Wiring for
external blower motor
BK
BK
GY
GY
R
R
W
W
BR
BR
BR
5
N.O.
Com
N.C.
GY
N.O.
Com
4
N.C.
Function
OFF
1st Speed
2nd Speed
3rd Speed
4th Speed
8
Motor Specifications
Power supply
120 VAC
Frequency
60 Hz
Wattage rating
420 W
Amperage
3.7 A
Motor Resistance
BU/W
21.6 Ohms
BU/R
18 Ohms
BU/GY
14.3 Ohms
BU/BK
9.8 Ohms
Component Layout
Description
Num.
1
Filter microswitch
2
Filter microswitch
3
Plenum down limit switch
4
Plenum up limit switch
5
Motor microswitch
6
Plenum drive motor
7
Blower motor
8
Blower speed switches
Start sw. - plenum up/down
9
25