MULTIQUIP LS450 - Wiring Diagram #2 (External Control Box)

MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21) — PAGE 89
WIRING DIAGRAM #2 (EXTERNAL CONTROL BOX)
1
2
3
4
5
6
7
8
4
3
2
1
8
7
6
5
J3 MALE
INTERFACE
CONNECTOR
(YELLOW)
INSIDE
CONTROL
BOX
OUTSIDE
CONTROL
BOX
P3 P3
INSIDE
CONTROL
BOX
OUTSIDE
CONTROL
BOX
CONTROLLER
BLACK
POTTED
BOX
INSIDE
CONTROL
BOX
OUTSIDE
CONTROL
BOX
1
2
3
4
5
6
7
8
4
3
2
1
8
7
6
5
P4 P4
PROX C
PROX D
PROX B
SPARE
PROX A
POWER
GROUND
AUTO LUBE
FLOW A 12VDC
FLOW B 12VDC
ORANGE
BLUE
OVER TEMP
CONNECTIONS TO J3, J4 AND J5 RECEPTACLES ON
DIGITAL CONTROL BOX (LS450)
A
B
C
14 AWG WHITE
14 AWG GREEN
14 AWG BROWN
14 AWG LT BLUE
+12 VDC
14 AWG BROWN
14 AWG LT BLUE
GND.
SIGNAL
SIGNAL
PROXIMITY
SWITCH “B”
PROXIMITY
SWITCH “A”
FLOW
CONTROL
NOT USED
NOT USED
NOT USED
NOT USED
+12VDC OUT
BLUE
INDICATOR “RED” ACTIVE
BETWEEN GND. 800 mV
A
B
J4 MALE
INTERFACE
CONNECTOR
(WHITE)
+12 VDC
10 AWG RED
10 AWG WHITE
HEAT EXCHANGER
“COOLING FAN”
INSIDE
CONTROL
BOX
OUTSIDE
CONTROL
BOX
A
1
2
3
4
5
6
7
8
4
3
2
1
8
7
6
5
P5 P5
A
J5 MALE
INTERFACE
CONNECTOR
(YELLOW)
14 AWG RED
14 AWG BLACK
ACCUMULATOR
DUMP VALVE
“UNLOADER”
14 AWG RED
30
17
58
19
15/54
50A
IGNITION
SWITCH
NOT USED
BROKEN FAN BELT
NOT USED
12VDC
PRE-HEAT 12 SEC.
100 W
3W
85
86
85
86
87A
87
30
87A
87
30
K1 (40 AMP)
STOP FAN
WHEN
CRANKING
K2-1
HEAT EXCHANGER
FAN
K2 (80 AMP)
HEAT EX FAN
POWER
K1-1
STOPS FAN
WHEN ENGINE
IS CRANKING
CB2
40 AMP
FAN POWER
OVER TEMP SIGNAL
ENGINE
GND.
14 AWG BLACK
14 AWG WHITE
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
14 AWG RED
14 AWG WHITE (GND)
GND
+12 VDC
8 7
6
5
4 3
2
1
J3
8 7
6
5
4 3
2
1
J4
YELLOW
YELLOW
8 7
6
5
4 3
2
1
J3
8 7
6
5
4 3
2
1
J4
8 7
6
5
4 3
2
1
J5
8 7
6
5
4 3
2
1
J5
WHITE
STARTER
14 AWG WHITE
14 AWG RED
10 AWG RED
J
A
L
A
A
N
P
M
C
K
A
A
O
F
G
AA
YELLOW
YELLOW
WHITE
YELLOW
WHITE
J1
J2
J3
J4
J5
CONTROL
BOX REAR
VIEW
J6
WHITE
A
A