3) SCV-120EA, SCV-140EA, SCV-160EA
N
C
3
1
2
6
4
5
7
8
GND
9
10 11
B
A
PUMP2 Remote alarm
Remote shutdown
Remote cooling/heating
wire controller
AC 380-415V 50Hz
Residual Current
Circuit-breaker
GND
N
C
GNDB
A
A
B
CN
Auxiliary Connection
1) SCV-50EA, SCV-70EA
AC CANTACTOR
L
N
220~240 V
220~240 V
L
N
Addtitiona l pump
Reserved
1212L1
PUMP2 BOIL ON/OFF
Switch
1.“PUMP2”wiring terminal supplies ON/OFF signals only. Standby water pump must be controlled by the AC
contactor.
2.“ON/OFF” wiring terminal L supplies 220V voltage.
The unit must be powered off when connecting the remote control switch.
When the remote control switch is closed, the unit is forced to shut down.