Terminal Description; Electrical Connection - ZIGOR ZGR SOLAR STR 250 Manual De Operación

ZGR SOLAR STR 250

4.4.2 Terminal description

Wiring terminals are at the bottom of the inverter, as shown in the Fig. 4-21 and in Table 4-7.
ITEM TERMINAL
A PV terminals
B Communication terminal
C AC wiring terminal
D Additional grounding terminal

4.4.3 Electrical connection

Electrical connection in the PV system includes additional grounding connection, AC connection, and PV string
connection (Fig. 4-22).
Operation manual
Fig. 4-21 ZGR SOLAR STR 250 wiring terminals
MARK
+/-
COM1
COM2
COM3
AC
Table 4-7 ZGR SOLAR STR 250 wiring terminals
Fig. 4-22 ZGR SOLAR STR 250 wiring
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NOTE
24, PV connector
RS485 communication.
Used for AC output cable connection.
Two grounds shall be connected.
ITEM
A
B
C
D
E
DESIGNATION
PV string
Inverter
Grid
Monitoring device
AC circuit
21