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Help! Hive Installation - Worcester Bosch greenstar heatslave ii 18/25

Discussion in 'Plumbing and Central Heating' started by Zman, 24 Jul 2020.

  1. Zman

    Zman

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    Hi All,

    I have been given a Hive 2 With Dual Channel Receiver.

    I would like to use it with my Worcester Bosch Greenstar Heatslave ii 18/25

    After reading around online I am aware that the single receiver version should be used for Combi boilers. However it can also be seen a Dual Channel receiver can be successfully used for this purpose. (Also as this was gifted from a friend I have no option to return or exchange)

    Currently fitted with Drayton DT20RF/LP20RF

    [​IMG]
    Ideally I would still like to control the Hot water On/Off via Hive App if need E.g at night

    Please can some one advise on how this should be wired up? (Possibly by annotating my wiring diagram?)

    Attached is an image showing the existing wiring and a diagram for possible annotation.

    Any help would be hugely appreciated as I am going cross eyed.
     

    Attached Files:

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  3. ianmcd

    ianmcd

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    did your friend previously use it ? or was it a unopened box with a fresh register code
     
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  4. Zman

    Zman

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    Thank you for your response. It has been used. I had not got as far as to look at pairing :censored: A quick google suggests Hive will not re register?
     
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  5. Johnmdc

    Johnmdc

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    It can be done you need some 5 core flex.

    Connect live, neutral and earth on the Hive to L N E on the orange plug in the boiler.

    3 on the Hive to HW, and 4 to CH on the yellow plug.

    Then you will need to disconnect the ribbon cable behind the clock from the plug that it is plugged into.

    To sign into the app you would need your friend sign in details or a new hub of you can't use them.
     
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  6. ianmcd

    ianmcd

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    It wont , but you do not need to change everything, some of it you can re-use
     
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  7. simon dorras

    simon dorras

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  8. simon dorras

    simon dorras

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    hi do i leave the live loops on boiler in position or remove them many thanks i have 2x 1 live to hw and l to ch
     
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  10. ianmcd

    ianmcd

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    you have to remove the ribbon from the DT20 or it will over ride your hive
     
  11. simon dorras

    simon dorras

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    sorry im aware you have to remove ribbon but there are two loops on the boiler between live and hot water and live and central heating as per pic do i remove these loops before fitting hive many thanks
     
  12. Johnmdc

    Johnmdc

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    Yes if your fitting the dual channel Hive. Or only the one between L and CH if your fitting the single channel one.
     
  13. simon dorras

    simon dorras

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    many thanks so using the single channel hive i leave the loop in place between live and hot water remove live central heating sorry but a bit lost so live neutral n and earth is pretty straight forward i then need 3 and 4 on hive to ch and hw on boiler am i correct with this
     
  14. Johnmdc

    Johnmdc

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    Yes leave the link form L to HW.
    No if using a single channel there is no connection to hot water.
    Boiler - Hive
    N - N
    L - L
    Link L - 1 on the receiver
    CH to 3
     
  15. simon dorras

    simon dorras

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    Hi many thanks for your help i did as suggested heating ok no hotwater with link on receiver l to l1 i then attatched the grey wire to l1 on receiver and to hot water on boiler and seems to be working am i right with this thanks again
     
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