Fronius Agilo 75.0 - Manual (Page 6)

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Connecting the inverter to the public grid ............................................................................................. 38
Connecting AC cables with a cable lug................................................................................................. 40
Maximum fuse rating on alternating current side .................................................................................. 41
Connecting an external AC supply for the inverter ............................................................................... 41
Fitting and connecting optional overvoltage protection.............................................................................. 42
General ................................................................................................................................................. 42
Safety.................................................................................................................................................... 42
Fitting and connecting overvoltage protection on the DC side.............................................................. 42
Fitting and connecting overvoltage protection on the AC side.............................................................. 43
Fitting and connecting overvoltage protection for the AC- supply......................................................... 43
Connecting the DC cable to the inverter .................................................................................................... 45
General comments regarding solar modules ........................................................................................ 45
DC connections..................................................................................................................................... 45
Connecting aluminium cables ............................................................................................................... 45
Max. cross-section of DC cables .......................................................................................................... 45
Safety.................................................................................................................................................... 46
Connecting DC cables .......................................................................................................................... 46
Connecting DC cables with a cable lug ................................................................................................ 47
Fuse protection against polarity reversal of DC cables......................................................................... 47
Grounding the solar modules in the inverter .............................................................................................. 48
General ................................................................................................................................................. 48
Grounding the solar module to the negative pole via a fuse................................................................. 48
Safety.................................................................................................................................................... 49
Configuring the inverter for grounded solar modules............................................................................ 49
Grounding the solar module on the negative pole: inserting a fuse...................................................... 49
Closing the inverter .................................................................................................................................... 51
Closing the inverter ............................................................................................................................... 51
Using for the first time ................................................................................................................................ 53
Factory configuration ............................................................................................................................ 53
Using for the first time ........................................................................................................................... 53
Configuring the inverter for existing solar module grounding................................................................ 54
Operation 57
Controls and indicators .............................................................................................................................. 59
Controls and indicators ......................................................................................................................... 59
Display .................................................................................................................................................. 59
Symbols showing function key allocation.............................................................................................. 60
Monitoring and status LEDs.................................................................................................................. 61
Startup phase and feeding energy into the grid ......................................................................................... 62
Startup phase........................................................................................................................................ 62
Feeding energy into the grid ................................................................................................................. 62
Navigation at the menu level...................................................................................................................... 63
Activate display backlighting ................................................................................................................. 63
Automatic deactivation of display backlighting / change to display mode 'NOW' ................................. 63
Open menu level................................................................................................................................... 63
The display modes..................................................................................................................................... 64
The display modes................................................................................................................................ 64
Choosing a display mode...................................................................................................................... 64
Overview of display values ................................................................................................................... 64
Values in display mode 'NOW'................................................................................................................... 66
Choosing a display mode...................................................................................................................... 66
Values in display mode 'NOW'.............................................................................................................. 66
Values in display modes 'TODAY / YEAR / TOTAL' .................................................................................. 68
Choose display mode 'TODAY / YEAR / TOTAL' ................................................................................. 68
Values in display modes 'TODAY / YEAR / TOTAL' ............................................................................. 68
The Setup menu ........................................................................................................................................ 71
Initial setting .......................................................................................................................................... 71
Accessing the setup menu.................................................................................................................... 71
Move up and down the menu items ...................................................................................................... 71
Menu items in the Set-up menu ................................................................................................................. 72
Standby................................................................................................................................................. 72
Contrast ................................................................................................................................................ 72
Backlighting........................................................................................................................................... 72