Isolated
transformer
Utility
To
Inverter
1Ph,
230Vac
1Ph,
230Vac
Must install a
transformer
Distribution box
(Plus-GND or Minus-GND)
Z
Z
or
PV Array
Figure 5-2: Connection of a system for solar array grounding
WARNING! SHOCK HAZARD
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.
5.2 AC Grid Connection : L + N + PE
WARNING !
Before commencing AC wiring, please ensure AC breaker is switched off.
18
Wiring