Operating Manual

Installation, assembly and commissioning for
the first time
Version 1.1 Page 41 of 92
2 Connect the power cable of the battery inverter to the poles of the NT isolator.
Use the 2 screws of the M8x20 size as well as washers and tension washers.
Figure 4-5: sample representation of the connection of plus and minus power cables with the SMA Sunny Island
inverter
Ensure that the contact surface of cable shoes rests completely.
Maximum tightening torque: 12 Nm. (Tolerance +/- 5 Nm)
3 Connect the CAN communication cable between the inverter and the battery storage system.
For this purpose, patch the patch cable (RJ45) from the CAN socket of the battery storage system to the CAN socket
of the inverter. (Marked in yellow)
Figure 4-6: representation of external connections of the battery system, CAN