Possible Grounding Systems - SMA SUNNY BOY 3000-US Installation Manual

7 Configuration SMA America, LLC

7.2 Possible Grounding Systems

The image illustrates the permitted and prohibited grounding systems in which the inverter can be
operated.
Tip: When connecting the inverter to the power distribution grid, the phase relationship is not
important, but the voltage must be compatible.
Figure 22: Permitted and prohibited grounding systems
52 SB30-40-US-IA-en-33 Installation Manual