R5
Series
- 26 -
Code
Name
A
DC Switch
B
Decompression Valves
C
DC Input
D
RS232 Communication(GPRS/
Wi-Fi /4G)
E
RS485 Communication
F
Ground Connection
G
AC Output
Table 5.2 Specifications for interface
5.3 AC Connection
Cross-sectional area of cables
（
mm²
）
External diameter
（
mm
）
Scope
Recommended value
6.0-10.0
6.0
5.3~6.7
Table 5.3 Recommended power grid connecting cable specification
If the grid-connection distance is too far, please select an AC cable with larger
diameter as per the actual condition.
5.3.1 R5-3K~10K-T2-AUS AC side electrical connection
1.
Ground of the inverter. After penetrating the external hex head screw through
OT terminal of the grounding line, screw in the grounding port of inverter
enclosure in clockwise direction and make sure it is screwed up tightly.
5.4 Inverter ground protection
