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I am replacing a growatt inverter with a new EG4 18kpw inverter. On the growatt there was only one spot for ac and it provided ac in and ac out, the EG4 has a grid and line. My question is EG4 keeps saying that the grid needs to be between my meter and my Main breaker. But my system is...

For those of you the DIY your grid tied system, who did you turn to for your engineered drawings and other documentation that the PC ask for to get your system approved? I have tried the search button but am not having any luck.

Hello New member here. Been Lurking for a while and I am getting ready to pull the trigger on a 16.5KW grid tie system. I need help with the input voltage of the inverter I am looking at. The inverter has 4 MMPT with Nominal voltage of 360V and Operating Voltage range of 50-550V. I am...