Installation manual

47
EN
Wiring the Inverter
Must be Parallel
Connection
PV Array
DC Distribution Box
(Plus-GND or Minus-GND)
Isolated
transformer
Utility
3Ph, Δ or Y
230/400 Vac
To Inverter
3Ph, Y
230/400 Vac
or
Must install one
transformer per inverter
Figure 6.2.: Connection of system with Positive Ground or Negative Ground
6.2 AC Grid Connection: 3 Phase + N + PE
WARNING
Death and serious injury may occur
► Before engaging in the AC wiring, please ensure the AC 3-phase power
is switched off.