Figure 5-2 Connection Of System With Positive/Negative Ground - Delta RPI-M8 User Manual

PV Array
Must install a
transformer
Isolated
transformer
To
Utility
Inverter
3Ph,
3Ph,
400Vac
400Vac
Some models can support 3P3W
system, please refer to table 5-3.

Figure 5-2 Connection of system with positive/negative ground

WARNING！ SHOCK HAZARD
Note: Whenever a PV array is exposed to sunlight, a shock hazard
may exist due to output wires or exposed terminals. To reduce the
risk of shock during installation, cover the array with an opaque
(dark) material and ensure that the Disconnect Device in the
inverter is set to OFF before commencing any wiring.
DC Distribution box
(Plus-GND or Minus-GND)
Z
or
Z
Must be Parallel
Connection
19