
49
EN-US
Contents
Safety rules ................................................................................................................................................ 51
Safety Rules Explanation...................................................................................................................... 51
General ................................................................................................................................................. 51
Utilization in Accordance with "Intended Purpose" ...............................................................................52
Environmental Conditions..................................................................................................................... 52
Qualified Service Engineers.................................................................................................................. 52
Safety Measures at the Installation Location ........................................................................................ 52
EMC Device Classifications.................................................................................................................. 53
EMC Measures ..................................................................................................................................... 53
Electrical Installations ........................................................................................................................... 53
Protective Measures against ESD ........................................................................................................ 53
Safety Measures in Normal Operation.................................................................................................. 53
Safety Symbols..................................................................................................................................... 53
Disposal ................................................................................................................................................ 54
Backup.................................................................................................................................................. 54
Copyright............................................................................................................................................... 54
General ...................................................................................................................................................... 55
Device concept ..................................................................................................................................... 55
Functional principle............................................................................................................................... 55
Inverter.................................................................................................................................................. 55
Other System Requirements................................................................................................................. 55
Intended Use......................................................................................................................................... 55
Scope of Supply.................................................................................................................................... 56
Optional................................................................................................................................................. 56
Technical data....................................................................................................................................... 56
Abbreviations and Descriptions Used................................................................................................... 57
Warning notices affixed to the device ................................................................................................... 57
Product description .................................................................................................................................... 59
Safety.................................................................................................................................................... 59
Device description, housing.................................................................................................................. 59
Device description, inside of device...................................................................................................... 60
Installing the Fronius String Control 100/12............................................................................................... 62
Selecting dowels and screws................................................................................................................ 62
Installation position ............................................................................................................................... 62
Selecting a Location.............................................................................................................................. 62
Installing the Fronius String Control 100/12.......................................................................................... 62
Installing Metric Screw Joints on the Fronius String Control 100/12.......................................................... 64
General ................................................................................................................................................. 64
Recommended Sequence for Inserting the Metric Screw Joints .......................................................... 64
Installing Metric Screw Joints on the Fronius String Control 100/12..................................................... 64
Tightening torques for metric screw joints ............................................................................................ 65
Connecting Solar Module Strings to the Fronius String Control 100/12 .................................................... 66
Safety.................................................................................................................................................... 66
Notes for Connecting Solar Module Strings to the Fronius String Control 100/12 ............................... 66
Terminal assignment for grounded solar modules................................................................................ 67
Example of terminal assignment for grounded solar modules.............................................................. 67
Connecting Solar Module Strings to the Fronius String Control 100/12 .............................................. 67
Final Tasks ....................................................................................................................
....................... 68
Connecting the Fronius String Control 100/12 to the Inverter....................................................................69
Safety.................................................................................................................................................... 69
Preparation ........................................................................................................................................... 69
Connecting the Fronius String Control 100/12 to the Inverter............................................................... 69
Criteria for the Proper Selection of String Fuses ....................................................................................... 71
General ................................................................................................................................................. 71
Criteria for the Proper Selection of String Fuses .................................................................................. 71
Effects of Using Underrated Fuses....................................................................................................... 71
Fuse recommendations ........................................................................................................................ 71
Application Example ............................................................................................................................. 71
Fuses .................................................................................................................................................... 72
Inserting String Fuses ................................................................................................................................ 73
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