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4.4 Leakage current limits
Parameter Description Device Unit
Ierr max Maximum admissible leakage current (effective value) on the DC
side.
If the leakage current exceeds the set limit, the inverter will discon-
nect from the mains and display the error message “Ierr too high”.
50.0 … 300.0 mA
4.5 Restart conditions
The restart conditions can be used to specify the behaviour of the inverter when mains power is applied. Mains
power is applied during restart in the morning or after mains disconnection as a consequence of the violation of
limits.
Parameter Description Range of
values
Unit
Restart delay Delay time before mains reconnection upon previous
failure-related mains disconnection.
The inverter will show the status message “Restart
delay” during this delay time.
0 … 600 s
Pac progression Maximum increase of the effective power during mains
reconnection upon previous failure-related mains
disconnection (in percent of the rated output power per
minute). The status message “Restart limitation” will be
displayed.
0 … 6’000 %/min
4.5.1 Mains check
If the mains check is activated, the inverter will check whether the mains voltage and/or the mains frequency are
within the following ranges before connecting to the mains:
nMains voltage > 95% (referring to the nominal voltage)
nMains frequency between 47.50Hz and 50.05Hz
The inverter will only connect to the mains if these conditions are complied with.
NOTE
nThe mains check is independent of the grid monitoring parameters.
nIn the European integrated grid, the frequency often increases over 50.05Hz in the morning on the hour,
which delays the inverter connection to the mains by a few minutes.
4.6 Frequency-dependent power reduction - P(f) mode
The P(f) mode is only available if the country selected is “Germany”. The P(f) mode is intended for limiting the ef-
fective power in the event of too high a mains frequency on the mains connection point. If the P(f) mode is active,
the status message “Frequency limitation” will be displayed.
Activate the checkbox “P(f) mode”. Afterwards, you can change the following parameters:
