SMA SC 500CP-10-JP Installation Manual - Manual (Page 73)

SMA Solar Technology AG 15 Commissioning
Installation Manual SCCP-JP-IA-A4-en-12 73
15.2 Checking the Sunny Central Cabling
1. Ensure that all connections are executed in accordance with the circuit diagram.
2. Ensure that the AC, DC and grounding terminals are securely connected.
3. Ensure that there is equipotential bonding between the Sunny Central and the mounting location.
4. Ensure that all terminals in the interface cabinet are securely in place.
15.3 Inserting Fuses and Disconnection Blades
Procedure:
1. If you are using an SMB Connection Kit, insert the disconnection
blades. Use an LV/HRC fuse handle.
7. Connect the external AC voltage of the MV transformer (to be performed by duly
authorized persons trained in electrical safety only)
MV transformer
documentation
8. Check the AC grid voltage 15.5.2, page 75
9. Check the internal voltage supply 15.5.3, page 75
10. Check grid monitoring 15.6, page 76
11. Check settings for unused options 15.7, page 76
12. Switch on the voltage supply and the AC circuit breaker 15.8, page 77
13. Mount the panels 15.9, page 78
14. Switch on the Sunny Central 15.10, page 78
Replace LV/HRC size-3 fuses with disconnection blades
If you are using the Sunny Central with the SMB Connection Kit, you will need to replace the extracted LV/HRC
size 3 fuses at the respective fuse inputs with disconnection blades.
Procedure See Section