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Contents
Protection of personnel ................................................................................................................................. 3
Safety ....................................................................................................................................................... 3
Housing unit ............................................................................................................................................. 3
Galvanic (electrical) isolation ................................................................................................................... 3
Monitoring the mains network .................................................................................................................. 3
Mains connection ..................................................................................................................................... 4
Photovoltaic generator ............................................................................................................................. 4
Safety strategy .............................................................................................................................................. 5
Standards and regulations ....................................................................................................................... 5
Declaration of conformity ......................................................................................................................... 5
How a photovoltaic system works ................................................................................................................. 6
General .................................................................................................................................................... 6
Current is generated on the roof .............................................................................................................. 6
Current is converted underneath the roof ................................................................................................ 7
The FRONIUS IG in the photovoltaic system ................................................................................................ 8
General .................................................................................................................................................... 8
Converting DC to AC current .................................................................................................................... 8
Fully automatic operational management ................................................................................................ 8
Voltage transformation and galvanic isolation .......................................................................................... 8
Monitoring the mains network .................................................................................................................. 9
Display function and data communication ................................................................................................ 9
Plus points:............................................................................................................................................. 10
The FRONIUS IG .........................................................................................................................................11
Mode of operation ................................................................................................................................... 11
MIX system ............................................................................................................................................. 11
Startup phase ......................................................................................................................................... 12
FRONIUS IG 500 overview .................................................................................................................... 13
LED for operating status ........................................................................................................................ 14
Status LEDs on the power modules ....................................................................................................... 14
The display .................................................................................................................................................. 15
General .................................................................................................................................................. 15
Description of the keys ........................................................................................................................... 15
Symbols ................................................................................................................................................. 15
Navigating around the display ..................................................................................................................... 17
Display illumination ................................................................................................................................ 17
Menu level .............................................................................................................................................. 17
Choosing a display mode ....................................................................................................................... 17
The display modes ...................................................................................................................................... 18
Scrolling between display functions ....................................................................................................... 18
Overview of display modes .................................................................................................................... 18
Overview of display values ..................................................................................................................... 18
„Day“ / „Year“ / „Total“ display mode ....................................................................................................... 24
The Setup Menu .......................................................................................................................................... 27
Overview of the menu items................................................................................................................... 27
„Setup“ display mode ............................................................................................................................. 27
Open the setup menu............................................................................................................................. 28
Move up and down the menu items ....................................................................................................... 28
Setting the menu items .......................................................................................................................... 29
Supplementary information ......................................................................................................................... 39
Add-on system components ................................................................................................................... 39
String control system .............................................................................................................................. 39
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