
36 / 67
User’s Manual 3PH 100KTL-136KTL-HV
Rev. 1.0 24/02/2021
Identification: MD-AL-GI-00
Rev. 1.0 of 24/02/2021 - Application: GID
4.4.
Connecting the AC output power cables
Inverter has a standard and integrated residual current monitoring unit (RCMU), when inverter detected
leakage current excess 300mA, it will cut off with utility grid for protection. For external Residual Current
Device (RCD), the rated residual current shall be 300mA or higher.
Precondition:
Inverter AC side should connect a three phase circuit current to ensure inverter can be cut off with utility
grid for abnormal condition.
The AC cable need to meet the requirement of local grid operator.
Cable connection procedure
Open the wiring box.
-
Use M6 driver to unscrew the two screws on the wiring box.
-
Open wiring box cover.
Note:
-
Forbid to open then main board cover of inverter.
-
Before open the wiring box, please ensure there is not DC and AC connection.
-
If open the wiring box on snowing or raining day, please take protective measures to avoid the
snow and rain enter wiring box. Otherwise, should not open the wiring box.
-
Please do not unused screw in the wiring box.
Figure 16- Open wiring box