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SMA sunny boy connection box.  

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    SMA sunny boy connection box.  

    Looks like SMA changed the Sunny boy inverters a bit. They had that mounting plate that you would mount and then set the inverter on. Now you remove the connection box, install that, then reinstall the main inverter body. Is this a change or just a different option that I wasnt aware of? Does a connection box have to mate with its respective inverter? The box has a board which does the display and Comm stuff. The reason I ask is I am getting a serial number mismatch between the data plate SN and the Wifi SN. There are three inverters and I know the connection boxes got mixed up at installation. That said, the SN's I am seeing in the Wifi manager do not match ANY of the inverters'. Anyone come across this?
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"
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