Table of Contents
1 Information on this Document ................................................. 5
1.1 Validity................................................................................................ 5
1.2 Target Group...................................................................................... 5
1.3 Additional Information....................................................................... 5
1.4 Symbols .............................................................................................. 6
1.5 Nomenclature..................................................................................... 6
1.6 Typographies...................................................................................... 6
2 Safety......................................................................................... 7
2.1 Intended Use ...................................................................................... 7
2.2 Safety Information.............................................................................. 7
3 Scope of Delivery...................................................................... 9
4 Product Description................................................................... 10
4.1 Sunny Boy........................................................................................... 10
4.2 Interfaces and Functions .................................................................... 13
4.3 LED Signals......................................................................................... 15
5 Mounting ................................................................................... 16
5.1 Requirements for Mounting ............................................................... 16
5.2 Mounting the Inverter......................................................................... 18
6 Electrical Connection................................................................. 20
6.1 Safety during Electrical Connection.................................................. 20
6.2 Overview of the Connection Area .................................................... 21
6.3 AC Connection................................................................................... 21
6.3.1 Requirements for the AC Connection............................................ 21
6.3.2 Connecting the Inverter to the Utility Grid.................................... 23
6.3.3 Connecting Additional Grounding ............................................... 25
6.4 Connecting the Inverter to the Network ........................................... 26
6.5 DC Connection................................................................................... 28
6.5.1 Requirements for the DC Connection............................................ 28
6.5.2 Assembling the DC Connectors .................................................... 29
6.5.3 Connecting the PV Array............................................................... 30
Table of Contents
SMA Solar Technology AG
Operating Manual 3SB15-25-BE-en-10
