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Hive Help please RWB7, SCR, RF3

Discussion in 'Plumbing and Central Heating' started by TM_Stealth, 29 Dec 2020.

  1. TM_Stealth

    TM_Stealth

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    Hi sorry i’m new here but saw some
    Great advice. I have a new Hive system but I'm struggling to install, trying to replace an RWB7 (pic 1 and 2) with my Hive controller which is located on first floor but also have an SCR wireless receiver (pic 3 and 4) in garage (floor below) and an RF3 (pic5). Pic 6 is of the electrics box, the main wire on the bottom left is coming from the SCR. So i can easily replace the RWB7 with the Hive unit but then im a bit stuck, it seems the RWB7 controls the Hot water and the RF3 and SCR control the heating... how do i remove the RF3 but enable the hive to function with both heating and hot water? Any help would be appreciated.
     

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  3. CBW

    CBW

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    Do you have the Hive dual channel? This will need to be installed at your wiring center for ease.

    The wiring from the rwb7 will be connected in the wiring center:

    upload_2020-12-29_0-42-17.jpeg

    Trace the wiring back from rwb7 to here and connect the corresponding wires to the Hive.
     
  4. TM_Stealth

    TM_Stealth

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    Hi thanks for the quick response, yes i have the dual channel. So if i trace back and connect the same wires as per the rwb7 what additional wires do i need? Do i also need to connect the yellow single wire going to the SCR in line 3 to the line 3 of the Hive? Is there anything else needed?
     
  5. TM_Stealth

    TM_Stealth

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    @Chris_W are you able to help at all? Thanks
     
  6. CBW

    CBW

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    Hi, sorry had loads of replies, completely forgot about yours (n). The SCR is your heating, so the wire would go to 4 on Hive (heating on/Normally open). The wiring from rwb7 you only need the hot water on wire, (yellow as well). Nothing else should be needed.
     
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  8. TM_Stealth

    TM_Stealth

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    @Chris_W Really appreciate the reply thank you, so where the SCR is i move the yellow wire to 4 and then the yellow wire from the rwb7 in to 3. Do i still need the red wire loop thats currently in SCR or is that removed so its just the N, L, 3 & 4 ? Thanks
    Toby
     
  9. CBW

    CBW

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    No loop isn’t required because it’s linked internally. So yes just L,N, Heating On, Hot water on - simples.
     
  10. TM_Stealth

    TM_Stealth

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    @Chris_W your a star mate, will give it a go tomorrow.
     
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  11. TM_Stealth

    TM_Stealth

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    @Chris_W thanks mate all working perfectly. All the best and Happy new year.
     
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