Sofar solar 80KTL - Connect grid side of inverter(AC-Output); Open the wiring box; Wiring Terminal and Precautions

80-136KTL User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd
- 33 -
5.4. Connect grid side of inverter(AC-Output)
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
5.4.1 Open the wiring box
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.
Step 1: Use M6 driver to unscrew the two screws on the wiring box.
Step 2：Open wiring box cover
Figure 5-5 Open wiring box
5.4.2 Wiring Terminal and Precautions