Procedure:
(1) Open the waterproof cover, feed the AC cable through the AC waterproof hole.
(2) Fix the cables according to conductor marks of L, N and PE.
Figure
4.3
Connect the Cables
Figure
4
.
2
Thread the cables
Table 4.1
Speci cations for Inte ace
Code
A
B
C
D
E
F
G
H
I
J
Name
DC Switch
PV Input
PV Input
Batte Input
BMS/ CAN/ METER/ DRM
CT/ Inve er Parallel po
4G/ Wi-Fi/ Ethernet
Backup
Grid
Ground Connection
4
.
3
AC Grid Wire
and Backup
Output
Connection
Caution：
For safety operation and regulation compliance, it is requested to install a breaker (32A)
between grid and inve er.
Cable Cross-sectional area（mm²）
External diameter（mm）
Range
8~14
Recommend
14
Recommend
4.0
Range
2.5~6.0
Table 4.
2
Recommended Speci cations of AC Cables
If the grid-connection distance is too far, please amplify diameter selection of the AC cable as
per the actual condition.
BACK_UP-R
N
PE
BACK_UP-S
BACK_UP-T
GRID-R
GRID-T
PE
N
GRID-S
20
19
ROOFTOP SOLAR INVERTER
INSTRUCTION MANUAL