Table of Contents
SMA Solar Technology AG
Operating manual STP3-6-3AV-40-BE-en-12 3
Table of Contents
1 Information on this Document................................................. 6
1.1 Validity........................................................................................................................ 6
1.2 Target Group.............................................................................................................. 6
1.3 Content and Structure of this Document ................................................................... 6
1.4 Levels of warning messages...................................................................................... 6
1.5 Symbols in the Document .......................................................................................... 7
1.6 Typographies in the document.................................................................................. 7
1.7 Designation in the document..................................................................................... 7
1.8 Additional Information............................................................................................... 8
2 Safety ........................................................................................ 9
2.1 Intended Use .............................................................................................................. 9
2.2 IMPORTANT SAFETY INSTRUCTIONS.................................................................... 9
3 Scope of Delivery ..................................................................... 12
4 Product Overview .................................................................... 13
4.1 Product Description.................................................................................................... 13
4.2 Symbols on the Product ............................................................................................. 14
4.3 Interfaces and Functions ............................................................................................ 15
4.4 LED Signals................................................................................................................. 16
5 Mounting................................................................................... 18
5.1 Requirements for Mounting ....................................................................................... 18
5.2 Mounting the Inverter................................................................................................. 20
6 Electrical Connection ................................................................ 22
6.1 Overview of the Connection Area............................................................................ 22
6.2 AC Connection........................................................................................................... 22
6.2.1 Requirements for the AC Connection.................................................... 22
6.2.2 Connecting the Inverter to the Utility Grid ............................................ 24
6.2.3 Connecting Additional Grounding........................................................ 25
6.3 Connecting the Network Cables............................................................................... 26
6.4 Connecting RS485 Devices....................................................................................... 28
6.5 Mounting the WLAN Antenna .................................................................................. 29
6.6 DC Connection........................................................................................................... 29
6.6.1 Requirements for the DC Connection.................................................... 29
6.6.2 Assembling the DC Connectors............................................................. 31
6.6.3 Connecting the PV Array........................................................................ 33
6.6.4 Disassembling the DC Connectors ........................................................ 35
