Delta RPI-M8 Manual page 19

PV Array
* Some models can support 3P3W
system, please refer to table 5-3.
Figure 5-1 Connection of system if DC inputs are floating
PV Array
Must install a
transformer
Isolated
transformer
Utility
3Ph,
400Vac
Some models can support 3P3W
system, please refer to table 5-3.
Figure 5-2 Connection of system with Positive Ground or Negative Ground
1 AC Wiring
1 L1
2 L2
3 L3
4 N *
PE
3 Communication
To
Inverter
3Ph,
400Vac
DC Distribution box
DC1 DC2
2 DC Wiring
Parallel or
Separate
Wiring
DC Distribution box
(Plus-GND or Minus-GND)
Z
or
Z
Must be Parallel
Connection
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