Disconnecting The Connections On The Battery - SMA COMMERCIAL STORAGE SOLUTION 30 System Manual

SMA Solar Technology AG
10. Hold the enclosure lid pressed against the enclosure and screw
and tighten the screw (hex socket AF8, torque: 18 Nm).
11. Place the cover on the screw in the cover of the enclosure (see
Section 15.3, page 174).
15.2

Disconnecting the Connections on the Battery

1. Disconnect the battery from voltage sources (see Section 11.2, page 121).
2. On the battery management system of each battery cabinet, detach the connection cable of the external switch
from the EXT SWITCH socket.
3. On the battery management system of each battery cabinet, disconnect the connectors of the communication
cables.
4. On the battery management system of each battery cabinet, disconnect the connectors of the DC cables.
5. On the battery modules of each battery cabinet, disconnect the connectors of the communication cables.
6. On the battery modules of each battery cabinet, disconnect the connectors of the DC cables.
7. On the central ground point of each battery cabinet, undo the bolted ground conductor connection (hexagon
socket, AF13).
8. Remove all cables from the battery cabinet.
9. Detach the grounding cable of the battery management system from the grounding point. To do this, loosen the
M6 terminal lug (hexagon socket, AF10).
System Manual
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