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Installation and Operation Manual for Solar Power Inverter M70A EU V1.1 EN 2020-02-20
5 Planning the installation
Grid connection (AC)
5.4.6 Grounding the inverter
WARNING
High current
► Always observe the local regulations relating
to grounding cable requirements.
► To increase the safety of the system, always
ground the inverter housing even when this
is not required by the local regulations.
► Always ground the inverter housing before
connecting the inverter to the grid and solar
modules.
► The grounding cable cross-section must be
at least 6 mm
2
.
Fig. 5.31: Position of the internal PE connection
Fig. 5.32: Position of the external ground connection