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Procedure – SMA SMB User Manual

Page 27

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SMA Solar Technology AG

8  Disconnecting the Sunny Main Box or Sunny Main Box Cabinet

Installation Manual

SMB-IA-en-10

27

Procedure:

– Disconnect the DC sub-distributions (see installation manual of these devices).

2. Disconnect central inverter (see installation manual of the central inverter).
3. If there are DC fuses in the central inverter, only pull them out once the inverter is disconnected

and using the LV/HRC fuse handle.

4. If there are no DC fuses in the central inverter, pull out the fuses in the DC main distribution.
5. Release all screw connections.

1.

%"/(&3

Danger to life due to electric shock

• Only open the disconnection unit of the Sunny String-Monitor when it is switched off.

See also other documents in the category SMA Equipment: