Sunny Boy 2500U Installation and Operator’s Manual
SB2500U-11:NE - 5 - SMA Regelsysteme GmbH
Table of Contents
1 Introduction ...............................................................................................................6
2 Installation.................................................................................................................7
2.1 What Must Be Done in Case of Transport Damages?......................................7
2.2 Placement of the Sunny Boy ............................................................................8
2.3 Electric Connection.........................................................................................12
2.3.1 Preparation of the electric connection........................................................14
2.3.2 Connection to Electrical Utility Grid............................................................16
3 Commissioning........................................................................................................20
4 Operation and Failure Indication LEDs ...................................................................24
4.1 Operation Indicator .........................................................................................27
4.2 Ground Fault Indicator....................................................................................30
4.3 Failure Indication ............................................................................................31
4.4 Opening and closing of the Sunny Boy...........................................................36
4.5 Upgrading or modification of the Sunny Boy interface....................................39
4.6 Measuring Channels and Messages...............................................................41
4.7 Measurement Precision..................................................................................43
5 Troubleshooting ......................................................................................................44
6 Warranty Regulations and Liability..........................................................................46
7 Technical Data ........................................................................................................48
7.1.1 Minimum MPP-voltage of the PV panel......................................................49
8 Appendix.................................................................................................................56