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Hive Dual Channel Combi - no power

Discussion in 'Plumbing and Central Heating' started by Mark1982, 20 Sep 2019.

  1. Mark1982

    Mark1982

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    As usual. First post is because I need help.

    Fitted hive to my combi boiler last year and worked fine.

    Family member bought the same thing and I said I’d fit for him.

    He bought the heating only version and on the box it says Hive Heating (the hive heating and hot water seems to be advertised as Heating and Hot Water)

    Copied the wiring from how I did mine but boiler has not come back on.

    Turns out he’s been sent the heating and hot water version. Coulda shoulda woulda checked but didn’t. So have wired up as single channel receiver whereas it’s a dual channel receiver.

    Boiler is Glow Worm Ultimate and now just wont power on at all.

    Please can someone help. Family with kids now boiler-less and thankfully not cold but without hot water and I’m awkwardly in the bad books.
     
  2. bernardgreen

    bernardgreen

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    There is a big difference between the single channel Hive and the dual channel Hive,

    0x56.jpg

    If the combi boiler uses 24 volt controls then connectiing a dual channel Hive to it will have connected 230 volt to the control system. This will have damaged components in the control circuitry on the PCB

    What make and model of boiler is it ?
     
  3. ericmark

    ericmark

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    The boiler manual page 19 seems to show 4 different ways to fit a thermostat, one for outside, one 24 volt, one connected to the ebus, and one 230 volt, it will depend on which has been used as to if any damage has been caused. If no thermostat originally fitted then the 24 volt link needs removing is seems from the instructions.
     
  4. Mark1982

    Mark1982

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    Thanks for the replies.

    it’s a glow worm ultimate 30c
     
  5. Mark1982

    Mark1982

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    Would help if I said there was already a wireless thermostat receiver already fitted so I’d just disconnected the old one and replaced with the hive receiver
     
  6. ianmcd

    ianmcd

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    This boiler can be wired up in different ways, if the origional single channel receiver was connected to the 24V system and you have connected a dual channel hive to it, the PCB will be damaged, also the wires do not go into the same numbers on the dual channel as they would have on an existing single channel
     
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  8. Mark1982

    Mark1982

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    It was an existing single channel receiver already in place and I connected the hive as a single channel thinking it was, was in the loft with not much light as we had the power off.

    connected as I’d done the single channel one on mine previously and switched the power back on, only then saw no power to the boiler and realised it was the dual channel receiver.

    Any suggestions to next steps as I really want to get this sorted fairly sharpish.

    Thanks
     
  9. ianmcd

    ianmcd

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    First you need to find out which system the old receiver used at the boiler end, a sigle channel receiver uses volt free contacts so depends how it was wired at the boiler end, the dual channel is always 240v contacts and can only be wired into the 240v terminal at the boiler end
     
  10. bernardgreen

    bernardgreen

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    boiler 24v.jpg If the dual channel Hive was connected to any of hte teminals inside the red circle then it is 99% certain that the PCB and/or other parts have been damaged andthese will need repairing /replacing by a competent and GasSafe registered technician.

    If the Hive was sold to you as a Single Channel Hive and the box was labelled as Single Channel then you may have a claim against the supplier for the costs of repairing the boiler. The Hive sent to you was not fit for purpose.
     
  11. Mark1982

    Mark1982

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    Thanks for the reply.

    Yet to establish how it was the dual channel. But the box says Hive Heating then in small writing says about it being for heating and hot water.

    It was purchased from amazon and on the listing has 2 options Hive Heating or Hive Heating and Hot Water.

    The box only says Hive Heating. It’s my fault, should have checked it all properly just feel bad as it’s someone else’s boiler and they’re now sat with no hot water until I can get it sorted. Luckily the weathers nice, if it was the middle of winter I would be in the bad books 10 fold.

    If it is the PCB that needs repairing/replacing any idea of a ball park figure I’m looking at?

    FML
     
  12. Mark1982

    Mark1982

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    Update. Had someone out to look at this, the fuse on the circuit board had blown.

    replaced and all working again for a reasonable £35 all in, considering it’s a Sunday I don’t think that’s bad at all and have learned a lesson to be more careful in future.
     
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