How to change the voltage

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When you open the system box ,you can find the Voltage is 220V and contace lead
like pictures:

                    2) find out the black lead ,which I sign out it in red color:


3)take off these two leads


                      4) now you will find two black leads ,same like pictures:


5) take out the one sides of these two leads ,which I sign out by red color.


             6)Contact these two sides into new code place.such as pictures


                 7)then your system is for 380V ,3 phase,same like pictures


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