SMA AUTOMATIC SWITCH BOX M-20 - Manual (Page 49)

SMA Solar Technology AG 7 Disconnecting the Automatic Switch Box from voltage sources
Installation Guide AS-BOX-M_L-IA-IEN110320 49
7 Disconnecting the Automatic Switch Box from voltage
sources
1. Decommission the Backup system (see the manual of the Sunny Backup 5000).
2. Switch off the line fuse between feed-in meter and Automatic Switch Box and between
consumption meter and Automatic Switch Box and secure against re-connection.
3. Switch off the line circuit breaker/residual current device between the PV plant and the
Automatic Switch Box and secure against re-connection.
4. Open the Automatic Switch Box with the switch cabinet key.
5. Switch off the line circuit breaker "AS-F1", the residual current device "AS-Q8" and the fuse-
switch-disconnector "F6 (Generator)" in the Automatic Switch Box.
6. Ensure that no voltage is present.
7. Cover or shield any adjacent voltage-carrying parts.