Can i connect v3 to open therm

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Garygas2
Garygas2 ✭
in General Questions & Topics
Intergas open therm connection can it be wired same as com with NC,? and will it save more money

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  • johnnyp78
    johnnyp78 ✭✭✭
    Answer ✓
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    It can’t be wired into com and nc. If your Tado device doesn’t have digital connections (usually marked + and -) then Opentherm isn’t supported.

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  • Montage
    Montage ✭✭✭
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    Not sure I understand the first bit of your question. Yes, it will usually save some money vs switched live control.

  • Garygas2
    Garygas2 ✭
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    My thoughts you got 4 wires live neutral com and no, cant you wire com no onto open therm???
  • Montage
    Montage ✭✭✭
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    If you are just asking about the cabling, then it’s not usually recommended to run them in the same cable. With. 4/5 core cable, you’ll have mains alongside the low voltage OT wires and some degree of interference will occur.

    Normally you’d run a separate cable with at least 2 cores, to carry OT or any digital bus signal. It’s suggested this is a cable that’s ok for mains, as it’ll run near to mains cables. Bit of CY shielded would be the top end version.

    Do people sometimes do it with bell wire or network cables, yes they do.

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