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Contents
Safety rules................................................................................................................................................ 9
Safety Rules Explanation...................................................................................................................... 9
General ................................................................................................................................................. 9
Utilization in Accordance with "Intended Purpose" ...............................................................................10
Environmental Conditions..................................................................................................................... 10
Qualified Service Engineers.................................................................................................................. 10
Safety Measures at the Installation Location ........................................................................................ 11
Data Regarding Noise Emission Values............................................................................................... 11
EMC device classifications ................................................................................................................... 11
EMC Measures ..................................................................................................................................... 11
Grid Connection.................................................................................................................................... 11
Electrical Installations ........................................................................................................................... 12
Protective Measures against ESD ........................................................................................................ 12
Safety Measures in Normal Operation.................................................................................................. 12
Safety Symbols..................................................................................................................................... 12
Disposal ................................................................................................................................................ 12
Backup.................................................................................................................................................. 13
Copyright............................................................................................................................................... 13
General Information 15
Protection of Persons and Equipment ....................................................................................................... 17
Safety.................................................................................................................................................... 17
Protection of Persons and Equipment .................................................................................................. 17
Galvanic isolation.................................................................................................................................. 17
Monitoring the Grid ............................................................................................................................... 17
Warning notices affixed to the device ................................................................................................... 17
Warning notice on the wall bracket....................................................................................................... 19
The Fronius IG Plus Unit in the PV System............................................................................................... 20
General ................................................................................................................................................. 20
Tasks .................................................................................................................................................... 20
Converting DC to AC Current ............................................................................................................... 20
Fully Automatic Operational Management............................................................................................ 20
Display function and data communication ............................................................................................ 20
System Upgrade ................................................................................................................................... 20
Forced Ventilation................................................................................................................................. 21
100 kohm Grounding Kit Option............................................................................................................ 21
Power derating...................................................................................................................................... 21
Installation and Startup 23
Fronius IG Plus Installation and Connection.............................................................................................. 25
Fronius IG Plus Construction................................................................................................................ 25
Overview............................................................................................................................................... 25
Choosing the Location ............................................................................................................................... 26
Choosing the Location, General ........................................................................................................... 26
Choosing a Location for Inside Installation ........................................................................................... 26
Choosing a location for outdoor installation.......................................................................................... 27
Fronius IG Plus Connection Options.......................................................................................................... 28
Fronius IG Plus connection options .............................................................................................
......... 28
K
nockouts on the Fronius IG Plus ............................................................................................................. 30
General ................................................................................................................................................. 30
Knockouts on the Fronius IG Plus for wire inputs................................................................................. 30
Removing Knockouts............................................................................................................................ 30