97
000875BG-F
7 - Operation
After the commissioning via FIMER Installer for Solar Inverters APP
is completed, the inverter changes the behaviour of the “Power” and
“Alarm” LEDs
08
, in relation of the input voltage value:
Input voltage
LED Status
Description
Vin < Vstart
Power = Flashing
Alarm = OFF
The input voltage is not sufficient to enable connection to
the grid.
Vin > Vstart
Power = Flashing
Alarm = ON
The input voltage is sufficient to enable connection to the
grid: the inverter waits for the grid voltage to be present to
make the connection to the grid.
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.
• When the input voltage is sufficient to allow the connection to the grid,
close the AC switch downstream of the inverter thus applying the grid
voltage to the inverter: the inverter checks the grid voltage, measures the
isolation resistance of the photovoltaic field 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 flashing,
the “Alarm” and “GFI” LEDs are OFF.
• The inverter ONLY creates a parallel connection with the grid if the grid
and isolation 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 fixed 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 firmware
updates in the download area of the website www.fimer.com or at https://registration.solar.
fimer.com (instructions for registering on the website and updating the firmware are given in
this manual).
Содержание PVS-50-TL
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