Sungrow SG8K-D - Terminal Description

User Manual 5 Electrical Connection
23
A
B
C
D
L
N
PE
PE
Fig. 5-1 Electrical Connection Diagram
Item
Name
Remarks
A PV strings
-S series: one pair of PV terminals.
-D series: three pairs for SG8K-D and two pairs for
other –D inverters.
B
Wi-Fi module
RS485 communication.
C
AC circuit
breaker
Used as a protective device during electrical
connection. User equips this device according to
the maximum output voltage and current.
The PE wire of the AC terminal must be directly
connected to the grounding bar. Do not connect it to
protection devices such as the circuit breaker.
D Utility grid
Nominal line-to-neutral voltage of the utility grid is
230 Vac.
5.1 Terminal Description
All electrical terminals are located at the bottom of the inverter.
1 2
53
4
PV2
PV
2
PV1
PV1
Fig. 5-2 Terminal Description