Honeywell BDR91 to Hive 1

Discussion in 'Plumbing and Central Heating' started by M)))))), 2 Aug 2020.

  1. M))))))

    M))))))

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    Hello there,

    Sorry to ask this as I know other have already, I just wondered if anyone could please look at my current wiring and advise for switching to Hive 1 as I've never done this before and want to be certain before I start.

    My understanding is Blue = Hive N
    Brown = Hive L
    Brown (2) = Hive 1
    White = Hive 3

    I assume the two browns will be in the separate insulator cables and therefore easy to identify but will mark them before I start anyway.

    Any help or advice would be greatly appreciated

    kind regards,

    Matt
     

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  3. stem

    stem

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    Hi Matt

    You have posted this in the wrong forum, which is why your post hasn't been answered before. The "your projects" forum is for posters to document their personal projects through from start to finish, such as constructing an extension, or remodelling a garden. The Plumbing and Central heating forum is the place for this sort of question. However, I can give you the information you require.

    You don't give any details of your heating system. So, as you don't mention any stored hot water that is to be controlled by the Hive (ie a hot water cylinder) I am assuming that you have a combi boiler. If so, then your assumptions appear correct. If you have separate time control somewhere, such as a timeswitch on the boiler that controls the heating, that will need to be set to be permanently 'on' to prevent it interfering with the operation of the Hive.

    So the Hive receiver simply replaces the BDR receiver...

    [​IMG]

    ...and the wires just move across from the BDR to the Hive terminals that have the same function.

    [​IMG]

    They can be wired up in several ways, according to the preference of the original installer. In your case as there are 4 wires used at the BDR they connect to the Hive as follows:

    Wire in BDR N goes to Hive N
    Wire in BDR L goes to Hive L
    Wire in BDR A goes to Hive 1 (Common)
    Wire in BDR B goes to Hive 3 (Heating on)
     
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  4. M))))))

    M))))))

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    Thanks so much Stem, and apologies for posting in the wrong place, I'm attempting to install it this evening so that's given me a bit more confidence, thanks again, greatly appreciated!

    Matt
     
  5. DIYnot Local

    DIYnot Local

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