REFUsol 20K-2T (853P020.200)
User manual
like DC sources, batteries will against the warranty condition and REFU
ELEKTRONIK will not take the responsibility.
Intended grid types.
REFUSOL 20K-2T (853P020.200) configurations. For the TT type of electricity
grid
，
the voltage between neutral and earth should be less than 30V. inverters are
compatible with TN-S, TN-C, TN-C-S, TT, IT grid.
Figure2-2: Overview of the grid configurations.
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