Electrical System
56
Service Manual – SC1500
Wiring (Ladder) Diagram, continued
A1(CONTROL BOARD)
MAIN MACHINE CONTROLLER
BRUSH ACT (+) J1-10
BRUSH ACT (-) J1-9
J2-3 BAT CHARGER
ON BOARD COMMUNICATION
B- J1-8
ACT POSITION2 J2-11
ACT POSITION1 J2-12
A
B
D
C
F
J3-12 VACUUM MOTOR
POWER MODULE
SOLID STATE "RELAY"
1 2 3
INLINE FUSE 3A
P/N 56383587
X005
C
YEL/ORN
R
E
D
BL
K
BRN/YEL
YEL/BLK
RED/VIO
BLK/WHT
RED
BLK
BLU/ORN
WHT
GRA/BLK
BRN
BLU
ORN/BLK
B+
B-
M
M4
MOTOR, VAC
1
2
M
M3
MOTOR, BRUSH LIFT ACTUACTOR
-
+
+
-
~
~
D2
FLY-BACK DIODE
BOTTOM LIMIT
2
1
~
B+
B-
GND
E4
CHARGER DELTA Q
POS 1
2
1
CB4
CIRCUIT BREAKER, 25 AMP
1
2
CB3
CIRCUIT BREAKER, 20 AMP
1
2
K1
4-
3+
2+
1-
TOP LIMIT
2
1
POS 2
2
1
M
M5
MOTOR, BRUSH
+
-
K2
CONTACTOR, BRUSH
4
3
A B
1 2 3
~
B+
B-
GND
CHARGER S.P.E.
