Fronius String Control 250/30 DCD DF Bedienungsanleitung Seite 49

Contents
Safety rules ................................................................................................................................................
Explanation of safety symbols ..............................................................................................................
General .................................................................................................................................................
Proper use ............................................................................................................................................
Environmental conditions......................................................................................................................
Qualified service engineers...................................................................................................................
Safety measures at the installation location..........................................................................................
EMC Device Classifications ..................................................................................................................
EMC measures .....................................................................................................................................
Electrical installations............................................................................................................................
Protective measures against ESD ........................................................................................................
Safety measures in normal operation ...................................................................................................
Safety symbol .......................................................................................................................................
Disposal ................................................................................................................................................
Data protection......................................................................................................................................
Copyright...............................................................................................................................................
General ......................................................................................................................................................
Device concept .....................................................................................................................................
Functional principle ...............................................................................................................................
Inverter..................................................................................................................................................
Other system requirements...................................................................................................................
Proper use ............................................................................................................................................
Scope of supply ....................................................................................................................................
Option ...................................................................................................................................................
Terms and abbreviations used..............................................................................................................
Warning notices on the device..............................................................................................................
Description of the device............................................................................................................................
Safety....................................................................................................................................................
Description of the device: housing ........................................................................................................
Description of the device: inside the device..........................................................................................
Installing the Fronius String Control 250/30 DCD DF
Installing the Fronius String Control 250/30 DCD DF ................................................................................
Selecting wall plugs and screws ...........................................................................................................
Installation position ...............................................................................................................................
Selecting a location...............................................................................................................................
Installing the Fronius String Control 250/30 DCD DF ...........................................................................
Fitting metric screw joints to the Fronius String Control 250/30 DCD DF ..................................................
General .................................................................................................................................................
Recommended order in which to insert the metric screw joints............................................................
Fitting metric screw joints to the Fronius String Control 250/30 DCD DF .............................................
Tightening torques for metric screw joints ............................................................................................
Connecting the Fronius String Control 250/30 DCD DF to the inverter .....................................................
Safety....................................................................................................................................................
Connecting aluminium cables ...............................................................................................................
Preparation ...........................................................................................................................................
Connection with V-type terminal lug .....................................................................................................
Connection with cable lug .....................................................................................................................
Connecting the Fronius String Control 250/30 DCD DF to the inverter ................................................
Connecting solar module strings to the Fronius String Control 250/30 DCD DF .......................................
Safety....................................................................................................................................................
Notes on connecting the solar module strings to the Fronius String Control 250/30 DCD DF .............
Connecting solar module strings to the Fronius String Control 250/30 DCD DF .................................
Criteria for selecting the right string fuses..................................................................................................
General .................................................................................................................................................
Criteria for selecting the right string fuses.............................................................................................
Effects of using underrated fuses .........................................................................................................
Fuse recommendations ........................................................................................................................
Application example..............................................................................................................................
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