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  1. A

    No HW OFF Y Plan

    Hi all, Thanks for the replies. I think I have figured it out with the help of my neighbours setup as they have the same system as myself (new build estate circa 2002). The wire missing for the HW OFF (3rd wire which I needed) was repurposed as a permanent live to the Nest in the airing...
  2. A

    No HW OFF Y Plan

    The main issue I have is the Nest thermostat randomly disconnects with the receiver, I’m not sure why and I’ve tried many things to try and resolve it but to no avail. One other gripe is that there isn’t a heating boost option in the Nest which I overlooked and Hive allows us to do this.
  3. A

    No HW OFF Y Plan

    Hi Stem, thanks for your advice. The cable you highlighted is one of the boiler cables either SL or PL, there’s two black cables coming from the boiler which are then going into the connector blocks independantly and then into the wiring center. I think disconnecting everything would be a...
  4. A

    No HW OFF Y Plan

    Yes it was definitely in the kitchen which is why I’m baffled. I’ve already tried removing the HW off but then the heating doesn’t work. From the Hive diagram (and Nest) this does look like how it’s supposed to be wired? I just don’t understand how it worked before without the HW OFF, unless...
  5. A

    No HW OFF Y Plan

    Hi all, I currently have a Y plan heating system that previously had a Hive dual channel system installed. I had Nest installed recently but it has been giving me problems so I wanted to revert back and as the old wiring was there, I thought it might be straight forward. The Hive receiver was...
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