Delta RPI-H3, Operation And Installation Manual

Page: 23 / 64

Figure 5-2 : Connection of a system for solar array grounding
Isolated
transformer
Utility
To
Inverter
1Ph ,
23 0 Vac
1Ph ,
23 0 Vac
Must install a
transformer
Distribution box
(Plus-GND or Minus-GND)
Z
Z
or
PV Array
WARNING! SHOCK HAZARD
Whenever a PV array is exposed to sun-light, a shock hazard exists at the
output wires or exposed terminals. To reduce the risk of shock during installation,
cover the array with an opaque (dark) material and ensure that Disconnect
Device is set to OFF before commencing any wiring.
23
Wiring