77
CIRCUIT DIAGRAM
A3
A3
Supply
N
N
A1
A2
Contactor 18A
240Vac
C1
A1
A2
Contactor 18A
240Vac
C1
L1
T1
L2
T2
L3
T3
Contactor 3P
C1
L1
T1
L2
T2
L3
T3
Contactor 3P
C1
12 Vac
0Vac
95
96
NC Contact
TOL1
95
96
NC Contact
TOL1
Strobe
Light
Strobe
Light
Buzzer
Buzzer
EE
Thermal
Overload
TOL1
Thermal
Overload
TOL1
Stop
Level
Stop
Level
Start
Level
Start
Level
High
Level
High
Level
1
2
3
4
5
6
O
N
1
2
3
4
5
6
O
N
1
2
3
4
5
6
O
N
1
2
3
4
5
6
O
N
ME 20
BMS
SIGNAL
IN
POWER IN
9-12V DC/AC
PUMP 2
FAULT
PUMP 1
FAULT
HIGH
LEVEL
POWER
VOLTAGE FREE CONTACTS
PCB BMS 1
ME 20
BMS
SIGNAL
IN
POWER IN
9-12V DC/AC
PUMP 2
FAULT
PUMP 1
FAULT
HIGH
LEVEL
POWER
VOLTAGE FREE CONTACTS
PCB BMS 1
Common
Common
14
13
C1 Aux NO
C1
14
13
C1 Aux NO
C1
Power On
Power On
High Level
High Level
Pump Run
Pump Run
Pump Fault
Pump Fault
BM
S
Vo
lt
Fr
ee
Circuit
Breaker 2A
CB1
Circuit
Breaker 2A
CB1
Low
Level
Low
Level
240V
240N
12V
0V
Transformer 12Vac
T1
240V
240N
12V
0V
Transformer 12Vac
T1
1
2
3
4
5
6
Main Isolator
25A 3P
MSW1
1
2
3
4
5
6
Main Isolator
25A 3P
MSW1
A1
A1 A2
A2
U1
V1
W1
415VAC
Pump 3P
P1
U1
V1
W1
415VAC
Pump 3P
P1
P1
P1
P2
P2
P2
P2
Pump
Thermal
Pump
Thermal