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3N400v hearer from single phase

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  • 23-10-2016 6:08pm
    #1
    calimero242
    Registered Users Posts: 25 ✭


    To all electric guru,

    i am receiving conflicting info about whether or not a 3phase sauna heater (400v) can be connected to a single phase supply (home).
    I bought one of those by mistake and although some sparky claim a converter is required, others say it can be easily done... not ideal though.

    https://www.manualslib.com/manual/836142/Harvia-M45.html?page=16#manual

    The heater manual diagram seems to show the schema to wire the appliance on 240v 1N
    Any thought on that ?
    thanks


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    #2
    gctest50
    Registered Users Posts: 9,605 ✭✭✭gctest50


    Easily done, which model is it ?



    IVbwESH.jpg


  • Options
    #3
    calimero242
    Registered Users Posts: 25 ✭calimero242


    Hi,
    That s a the M60 (6Kw). the device is currently wired with 3 phase plug/cable. Easy job ? - :confused:..
    if i read the manual correctly . a 3 x 10 mm2 cable is required right ?

    Thanks E


  • Options
    #4
    gctest50
    Registered Users Posts: 9,605 ✭✭✭gctest50


    Here it is without all the thermostats and timedelay contactor, makes it easier to see :


    For three-phase, each element is between the neutral and one phase :
    21aimmc.jpg



    Here, hooked up for single phase, the three heating elements are between the neutral and phase :
    2liz9ye.jpg


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