A notication will conrm that the wizard is completed.
•
After the wizard procedure is completed, the inverter changes the be-
haviour of the “Power” and “Alarm” LEDs
06
, in relation of the input volt-
age value
:
Input voltage LED Status Description
Vin < Vstart
Power = Flashing
Alarm = OFF
The input voltage is not sufcient to enable connection to the grid.
Vin > Vstart
Power = Flashing
Alarm = ON
The input voltage is sufcient to enable connection to the grid: the inverter
waits for the grid voltage to be present to make the parallel connection.
The inverter is powered SOLELY by the voltage generated by the photovoltaic generator: the
presence of grid voltage alone is NOT SUFFICIENT for the inverter to switch on.
• Close the AC switch downstream of the inverter thus applying the grid
voltage to the inverter: the inverter checks the grid voltage, measures the
insulation resistance of the photovoltaic eld with respect to ground and
performs other auto-diagnostic checks. During the preliminary checks on
the parallel connection with the grid, the “Power” LED keeps ashing,
the
“Alarm” and “GFI” LEDs
are off. The inverter ONLY creates a parallel
connection with the grid if the grid and insulation resistance parameters
fall within the ranges foreseen by current regulations.
• If the outcome of the preliminary checks on the grid parallel is positive,
the inverter connects to the grid and starts to export power to the grid. The
“Power” LED remains xed on while the “Alarm” and “GFI” LEDs are off.
To address any problems that may occur during the initial stages of operation of the system
and to ensure the inverter remains fully functional, you are advised to check for any rmware
updates in the download area of the website www.abb.com/solarinverters or at https://regi-
stration.abbsolarinverters.com (instructions for registering on the website and updating the
rmware are given in this manual).
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