Fitting hive to old Baxi combi boiler with mechanical timer

Discussion in 'Plumbing and Central Heating' started by badger2021, 31 Aug 2021.

  1. badger2021

    badger2021

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    0DFC251B-77BC-42F3-885A-0DBCE2056B4E.jpeg 41D08ED7-C84A-4625-A000-9102A3C0B545.jpeg 25D54230-6139-4AB6-829B-FEE9AED2E676.jpeg 27334188-946A-4A68-8CBA-F1853AD05282.jpeg I’ve just bought my first place and it has an old ,but working-fine Baxi 80 boiler.

    It just has a round mechanical timer. No external controls.

    If I wanted to fit a hive to it do I just unplug the connections from the timer and wire the timer wires like this to the hive receiver.

    brown to L
    Blue to N
    And the black to 1 & 3 on a single channel hive?

    Then no need to remove links in the choc block or wire into it?




    thanks
     
    Last edited: 31 Aug 2021
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  3. jeff the gasman

    jeff the gasman

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    That would work.
     
  4. badger2021

    badger2021

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    Many thanks. Unfortunately after unboxing my “combi” hive, inside is a dual channel.

    I don’t suppose you know the equivalent wiring to the dual receiver?
    It was purchased as an “open box” so I got quite a hefty discount and could live with a redundant water button.
     
  5. jeff the gasman

    jeff the gasman

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    Can’t be used as it’s 230v switching.
     
  6. badger2021

    badger2021

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  8. badger2021

    badger2021

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  9. CBW

    CBW

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    Either disconnect timer fully or set to permanently on. Piggy back live and Neutral from boiler supply, remove yellow link wire and wire number 4 on Hive to the number 2 of that switch link.
     
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  10. badger2021

    badger2021

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    Thanks yes that’s how I figured it out in the end.

    if I unplug the built in timer, the heating doesn’t come on so I’ve left it in, with it set to permanent on. Would be nice to fully disable the timer though.
     
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  11. ianmcd

    ianmcd

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    if you want to disable the timer you will have to link the switch wires from the timer
     
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