Sunny Boy 2500U
Installation and Operator’s Manual
SB2500U-11:NE
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5
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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
