4.9
System Connection
The system connection in Australia and New Zealand is as below, the neutral cable of AC
and backup side must be connected together for the safety reason.
Note: DO NOT connect the PE terminal of BACKUP side.
The system connection for grid system without special requirements is as below.
Note：The backup PE line and earthing bar must be grounded properly. Otherwise, backup
function may be inactive during blackout.
BAT
H2 Inverter
AC
BACKUP
GRID
RCD
Normal
Loads
RCD
Backup
Loads
Smart
meter
Distribution box
L3
N
PE
L1
L2
L3
N
PE
L1
L2
METER
L3
N
PE
L1
L2
L 3
N
PE
L1
L 2
L3
N
PE
L1
L2
BMS
PV
BAT
L3
N
PE
AC
BACKUP
GRID
Normal
Loads
RCD
Backup
Loads
Smart
meter
L3
N
PE
Distribution box
H2 Inverter
L1
L2
L1
L2
L3
N
PE
L1
L2
L3
N
PE
L1
L2
L3
N
PE
L1
L2
METER
BMS
PV
RCD
