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Wiring 2 port motorised valve to Hive receiver - please help!!

Discussion in 'Plumbing and Central Heating' started by Guisep, 31 Aug 2021.

  1. Guisep

    Guisep

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    While moving my Hive single channel receiver one wire has come loose and I dont know where to re - attach it. See pictures. Black cable is from the 2 port valve (detach pro) and the white cable is from the Baxi combi boiler 830. Central heating not working though hot water is fine.
    Does the blue wire need to be connected to Neutral on the receiver?
    Any advice gratefully received.
    Thanks
     

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  2. CBW

    CBW

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    Yes Blue is a Neutral for the 2 port. I think your orange and grey are opposite, but doesn’t matter.

    Usually as follows:

    Grey - permanent live
    Orange - switched live
    Green/yellow - Earth/cpc
    Blue - motor Neutral
    Brown - motor live
     
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  4. muggles

    muggles

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    The whole thing looks wrong, not just that loose wire. Should be...

    Blue to N
    Grey to L
    L linked across to 1
    Brown to 3
    Orange to boiler switched Live, not directly connected to Hive
    Earth to earth
     
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  5. Guisep

    Guisep

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    Thanks you very much CBW, I connected the loose blue wire to neutral and the central heating is back on. Very grateful.
     
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  7. Guisep

    Guisep

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    Thank you very much muggles for the very helpful advice. I reconnected the blue wire to the neutral and it is working. I am not confident of correcting the other wrong connections as you mentioned, but will get a qualified person in at some point.
    Many thanks for your help.
    Guisep.
     
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