2.7 Operation
When the supply voltage is applied, the photovoltaic solar inverter is ready for
operation mode straight away.
2.8 Working with PV modules
Before connecting your PV modules to the photovoltaic solar inverter,
check whether this is suitable for operation with your PV modules.
When reading off the values, note that the PV modules achieve a higher
open circuit voltage at lower temperatures and unchanged solar
radiation.
The EFFEKTA Regeltechnik GmbH Company is not liable for damage
caused by this to the PV modules and to the photovoltaic solar inverter.
At -20°C, the open circuit voltage of the PV modules may not be above
500 V. To determine the theoretical open circuit voltage at -20°C, use the
temperature factors in the data sheet of the PV modules.
If the PV module open circuit voltage is above 500 V, the PV modules
may not be connected as this will cause damage to the photovoltaic solar
inverter.
The PV solar inverter contains a monitoring unit for fault currents in
accordance with VDE 0126-1-1. This unit measures the ground current of
the PV modules and prevents the feeding into the mains in the event of
an earthing fault.
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