System Wiring Diagram - Alpha ESS Backup Box-PLUS Quick Installation Manual

System Wiring Diagram

PV Panel
PV+ PV-
PV+ PV-
PV-INVERTER
PE
L3
L2
L1
N
Battery
BAT+ BAT-
L3 L2 L1
N PE PE
INV-AC
BAT+ BAT-
METER
INPUT
BAT+ BAT+
OUTPUT
T10
BAT-
BAT-
HV BOX
Inverter
PV+
PV+
PV Panel
PV- PV-
Backup Box-PLUS wiring diagram for three-phase inverter.
Please connect PE cable between Backup Box and the
inverter. If the inverter does not have PE port, these is
no need to connect PE cable.
Backup Box-PLUS
PV-INV INV-AC
Breaker Breaker
L3 L2 L1 N L3 L2 L1 N
INV-Backup Grid Load
PE L3 L2 L1 N L3 L2 L1 N L3 L2 L1 N
E-Bar
L3 L2 L1 N
L3 L2 L1 N L3 L2 L1 N
Grid
RCD
INV-Backup
Breaker
L3 L2 L1 N L3 L2 L1 N
PE L3 L2 L1 N
L L L
N N
Grid
Load1 Load2 Load3
PE
PE PE
Battery
BAT+
BAT-
N
PV+
PV Panel
PV-
Backup Box-PLUS wiring diagram for
single-phase inverter.
Backup Box-PLUS
PV Panel
PV+ PV-
PV+ PV-
INV-AC
PV-INV
Breaker Breaker
PV-INVERTER
L3 L2 L1 N L3 L2 L1 N
PE
L3
L2
L1
N
INV-Backup Grid Load
PE L3 L2 L1 N L3 L2 L1 N L3 L2 L1 N
L3 L2 L1 N
L1 N PE PE L1 N L3 L2
Grid
METER RCD
INV-Backup
Breaker
INV-AC
L3 L2 L1 N L3 L2
BAT+
Single Phase
BAT-
PE L3 L2 L1 N
Inverter
PV+
L
Grid
Load1
PE
PV-
E-Bar
L1 N
L1 N
N L N L N
Load2 Load3
PE PE