Connecting Dc Cables Within The Battery Cabinet - SMA COMMERCIAL STORAGE SOLUTION 30 System Manual

SMA Solar Technology AG
8.7.7.2

Connecting DC Cables within the Battery Cabinet

1. Plug a connector of the supplied black DC cable from the APU connector set into the BATTERY- socket on the
battery management system. The locking lever on the socket must engage audibly with the connector.
2. Plug the other connector of the black DC cable into the -POL
socket on the lowermost battery module. The locking lever on the
socket must engage audibly with the connector.
3. Secure the black DC cable on the left-hand side of the battery cabinet. Use the preassembled cable clamps for
this.
4. Plug a connector of the supplied red DC cable from the APU connector set into the BATTERY+ socket on the
battery management system. The locking lever on the socket must engage audibly with the connector.
5. Plug the other connector of the red DC cable into the +POL
socket on the uppermost battery module. The locking lever on the
socket must engage audibly with the connector.
6. Plug the black connector of a DC cable from the module connector set into the -POL socket on the uppermost
battery module. The locking lever on the socket must engage audibly with the connector.
System Manual
8 Electrical Connection
ESSX-20-SH-en-10 83