REFUSOL 20K-2T, Operating Manual

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3 REFUsol 20K...33K-2T
982079 | 05 | 2021-03
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Contents
1 About this Manual...................................... 5
1.1 Scope of this Manual .........................................5
1.2 Target Group of this Manual .............................5
1.3 Presentation of Information..............................5
1.3.1 Symbols ..................................................................... 5
1.3.2 Warnings in this Manual............................................ 6
2 Safety and Responsibility........................... 7
2.1 Safety Guidelines...............................................7
2.2 Rules for Safe Installation and Operation.........7
2.3 Symbols and Warnings on the Product.............7
2.4 Designated Use..................................................8
2.5 Improper Use.....................................................8
2.6 Requirements for Electricians..........................8
2.7 General Safety Instructions...............................8
2.8 Personal Protective Equipment ........................9
2.9 Five Safety Rules When Working on Electrical
Systems .............................................................9
3 Technical Description .............................. 10
3.1 Functionality of the Inverter............................10
3.2 Cooling Concept ..............................................12
3.3 Connection Requirements.............................. 14
3.4 Compatible Grid Types ................................... 15
3.5 Components and Dimensions ........................ 16
3.6 Communication Interfaces............................. 19
3.7 Display and Operating Elements.................... 22
3.7.1 Keys ......................................................................... 23
3.7.2 Status-LEDs............................................................. 23
3.7.3 Information of the LCD display................................ 23
3.7.4 Menu Display ........................................................... 26
3.8 LED Display of the Ethernet and WiFi Stick ... 27
3.8.1 LED Display Ethernet Stick LSE-3 .......................... 28
3.8.2 LED Display WiFi Stick LSW-3 (optional) ................ 29
3.9 Efficiency and Power Diagrams ..................... 30
4 Installation ...............................................31
4.1 Installation Warnings ..................................... 31
4.2 Auxiliary Means and Tools.............................. 31
4.3 Check Scope of Delivery ................................. 32
4.4 Requirements for the Installation Site........... 34
4.5 Mounting the Inverter Bracket....................... 35
4.6 Remove the Inverter from the Packaging...... 36