Hive heating question

Discussion in 'Electrics UK' started by Jimbob851398, 9 Dec 2021.

  1. Jimbob851398

    Jimbob851398

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    I am trying to install hive heating to my system, which is a separate water and heating zone valve system with a separate hot water tank.

    The controller is a danfoss mk18 cp715-SI it only appears to have HW and HTG on terminals wired. I was expecting more terminals to be wired. Should this work with the hive dual channel controller?

    thanks
     
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  3. EFLImpudence

    EFLImpudence

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    Yes. It looks to be exactly the same wiring.
    You might have to bypass an existing thermostat if you have one.
    Either at the wiring centre or boiler.

    upload_2021-12-9_17-3-18.png

    upload_2021-12-9_17-2-43.png
     
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  4. Jimbob851398

    Jimbob851398

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    Thank you very much for such a quick response!

    So it should work even though the current back plate only has live, neutral and terminal 3 & 4 wired?

    Yes there is an external thermostat, if I left that in for now but put it up to 30 should the hive still work or do I need to bypass it immediately?
     
  5. EFLImpudence

    EFLImpudence

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    Yes.

    That would be alright.
     
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  6. CBW

    CBW

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    Change over switches, so the other terminals aren’t used in your situation, as once the live to the zone valves is stopped, then they spring close.
     
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  7. Jimbob851398

    Jimbob851398

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    Thank you very much both of you! Very kind taking the time to help me out. I will have a go tomorrow in fitting.
     
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