9
2
1
BR
1
GY
GY
2
3
1
YL/GN
GY
BU
GN L N
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WIRING DIAGRAM
YL
7
BR
S50
1
BR
GY
N.O.
Com
RD
N.C.
6
SEL0015061
NOTE: Wiring diagram is drawn
with plenum in down position.
YL/GN
BK
BK
GY
GY
RD
RD
WH
WH
BR
BR
N.O.
Com
5
N.C.
GY
N.O.
Com
3
4
N.C.
Motor Specifications
Power supply
120 VAC
Frequency
60 Hz
Wattage rating
420 W
Amperage
3.7 A
Motor Resistance
BU/WH
21.6 Ohms
BU/RD
18 Ohms
BU/GY
14.3 Ohms
BU/BK
9.8 Ohms
8
Blower Switch Operation
Function
Contact
1 - 3
OFF
1st Speed
3 - 5
2nd Speed
5 - 7
8 - 10
3rd Speed
10 - 12
4th Speed
Component Layout
Description
Num.
1
Filter microswitch
2
Filter microswitch
3
Plenum down limit switch
4
Plenum up limit switch
5
Motor microswitch
Plenum drive motor
6
7
Blower motor
Blower speed switches
8
Start sw. - plenum up/down
9
19