CIRCUIT DIAGRAM
415 Vac Supply
N
E
A3
A2
A1
1
2
3
4
5
6
Main
Isolator
MSW1
1
2
3
4
5
6
Main
Isolator
MSW1
Circuit
Breaker
CB1
Circuit
Breaker
CB1
12 Vac
0 Vac
240V
240N
12V
0V
Transformer 12Vac
T1
240V
240N
12V
0V
Transformer 12Vac
T1
A1
A2
Contactor 18A
240Vac
C1
A1
A2
Contactor 18A
240Vac
C1
A1
A2
Contactor 18A
240Vac
C2
A1
A2
Contactor 18A
240Vac
C2
L1
T1
L2
T2
L3
T3
Contactor 3P
C2
L1
T1
L2
T2
L3
T3
Contactor 3P
C2
L1
T1
L2
T2
L3
T3
Contactor 3P
C1
L1
T1
L2
T2
L3
T3
Contactor 3P
C1
Thermal Overload
TOL1
Thermal Overload
TOL1
Thermal Overload
TOL2
Thermal Overload
TOL2
415V
Pump
P1
415V
Pump
P1
415V
Pump
P2
415V
Pump
P2
95
96
NC Contact
TOL1
95
96
NC Contact
TOL1
95
96
NC Contact
TOL2
95
96
NC Contact
TOL2
Pump 1
Thermals
Pump 2
Thermals
Input 1
Low
Level
Input 2
Stop
Level
Input 3
Start
Level
Input 4
High
Level
Strobe Light
ST1
Strobe Light
ST1
Buzzer
BZ1
Buzzer
BZ1
ME 20
BMS
VOLTAGE F REE CONTACTS
POWER IN
9-12V DC/AC
SIGNAL
IN
PUM P 2
FAULT
PUM P 1
FAULT
HIGH
LEVEL
POWER
PCB2
ME 20
BMS
VOLTAGE F REE CONTACTS
POWER IN
9-12V DC/AC
SIGNAL
IN
PUM P 2
FAULT
PUM P 1
FAULT
HIGH
LEVEL
POWER
PCB2
P1
P2
P3
P1
P2
P3
Common
Common
Power On
Power On
High Level
High Level
Pump 1 Run
Pump 1 Run
Pump 1 Fault
Pump 1 Fault
Pump 2 Run
Pump 2 Run
Pump 2 Fault
Pump 2 Fault
BM
S
Vo
ltage
F
re
e
1
2
3
4
5
6
ON
1
2
3
4
5
6
ON
PCB1
1
2
3
4
5
6
ON
PCB1
INPUT SWITCHES
Low Voltage Connections
C1 Aux NO
C1
C1 Aux NO
C1
C2 Aux NO
C2
C2 Aux NO
C2
Isolator 3P 32A
I1
Isolator 3P 32A
I1
Isolator 3P 32A
I2
Isolator 3P 32A
I2
