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20
User Manual V1.1-2022-01-05 02 Installation Instructions
System Connection Diagrams
Note: According to Australian safety requirements, the neutral cables of the on-grid side and backup
side must be connected together. Otherwise, the backup function will not work.
This diagram is an example for an application that neutral connects with the PE in a
distribution box.
For countries such as Australia, New Zealand, South Africa, etc., please follow local wiring
regulations!
Back-Up
LN PE
Meter
L
N
L
N
PE
L
N
PE
L
N
PE
E-N
Link
E-BAR
E-BAR
N-BAR
RS485
RCD
CT
On-Grid
RCD
BMS
Do not connect this terminal
when the neutral wire and PE
wire are connected together.
Grounding screw hole in
the lower right corner.
Normal Loads
Battery
Distribution box
Solar
Array
Backup
Loads
Grid
Smart
Meter
Hybrid Inverter
On-Grid
Back-Up
L
N
L
N
PE
E-BARE-BAR
RCD
CT
*
LN PE
L
N
PE
L
N
PE
RCD
BMS
Meter
RS485
Grounding screw hole in
the lower right corner.
Normal Loads
Battery
Distribution box
Solar
Array
Backup
Loads
Grid
Smart
Meter
Hybrid Inverter
This diagram is an example for grid systems without special requirements on
electrical wiring connection.
NOTE: The back-up PE line and earthing bar must be grounded properly and eîșectively.
Otherwise the back-up function may be abnormal when the grid fails.
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