Fig.3: Expansion board
Table10: Additional connections on the expansion board for 6pumps with parameterisable outputs
Terminal strip Terminal Description
1 J102 Fault input, pump set
P4 Motor protection/thermal overload, pump 4
P5 Motor protection/thermal overload, pump 5
P6 Motor protection/thermal overload, pump 6
COM Digital inputs - 24 V DC supply
2 J104 Activation of frequency inverters 4 - 6
F04 Start, frequency inverter 4
F05 Start, frequency inverter 5
F06 Start, frequency inverter 6
3 J103 Pump contactors 4 - 6
COM Pump contactors - earth
P4 Contactor of pump4
Parameterisable output 1
P5 Contactor of pump5
Parameterisable output 2
P6 Contactor of pump6
Parameterisable output 3
5.4.2 Connection to power supply
1. Observe the terminal assignments on the printed circuit board.
(ðSection5.4.1,Page14)
2. Connect to power supply:
- Terminal strip J201, terminals L1, N and PE
5.4.3 Connecting/bridging the motor protection device
Connect motor protection device with safe isolation in acc. with EN50178.
Use the following terminals on the printed circuit board:
▪ Terminal strip J403, terminals P1, P2, P3 and COM
For more than 3pumps, also use the following terminals:
▪ Terminal strip J102, terminals P4 - P6 and COM
Connect/bridge the thermal circuit breaker.