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  1. Replies
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    actually I think I found my own solution. Change...

    actually I think I found my own solution. Change the zone to electric - that removes all HR92 bindings. then change it back and rebind all that are still needed.
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    Remove 1 of several HR92 from zone cleanly?

    I have a zone with 3 rads and 3 HR92's. I need to remove 1 of them. I've removed the HR92 from the rad, I've done unbind on that HR92 itself, and I've removed the batteries from that HR92.
    now the...
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    so if I understand you correctly, you've got an...

    so if I understand you correctly, you've got an external stat (part of the heat pump vendor's controller or something else?) that calls for heat from the heatpump, and then entirely separate from...
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    one way I had thought about doing this was to...

    one way I had thought about doing this was to relegate evohome's own controller to purely being controller for the TRV's. No longer any BDR91 anywhere in the system to call for heat (unless evohome ...
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    yeah that is an option with some heat pump...

    yeah that is an option with some heat pump designs. straight heat source swap single loop. however, one half of my secondary pipework side will benefit from being able to have a boosted flow rate...
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    the use case is for a heat pump (RED UHE...

    the use case is for a heat pump (RED UHE) that has a integrated manifold / Low loss header that it dynamically controls . Both the 1ary and 2ary pumps are variable speed PWM controlled by the HP. ...
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    I have no UFH. only rads with HR92's.

    I have no UFH. only rads with HR92's.
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    their energy saving marketing blurb doesn't...

    their energy saving marketing blurb doesn't concern me, I know what evohome does, I have it for 5 years. I expect this will be the same. this is about better extensibility for me.
    reason I'm looking...
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    replacement. https://www.geniushub.co.uk/

    replacement.

    https://www.geniushub.co.uk/
  10. you can also do this with HomeAssistant. ...

    you can also do this with HomeAssistant. register with hildebrand glow/ bright / glowmarkt for them to access your DCC data, this gets you online access to your 30 minute readings in their "bright"...
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    thanks. sorry for delay replying. that was...

    thanks. sorry for delay replying. that was conclusion I came to as well. Investing more in evohome controllers and running two control systems on same circuit is not where I want to go. I'm looking...
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    Genius Hub - anyone using it post Evohome?

    Thinking of switching to Genius Hub, reasons being

    - can control electrical heat sources as part of a mixed wet and electrical setup in same zone
    - has capability to group zones to activate...
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    Dual heat demand relays on evohome?

    Has anyone figured out a way to have evohome activate heat demand relay "1" for group 1 of zones, and heat demand relay "2" for group 2 of zones?

    I'm looking at heat pump design for my house with...
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    that maybe makes sense for the flow temperature...

    that maybe makes sense for the flow temperature contorl but - how does the heatpump know that it needs to come on in the first place? there must be something?
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    battery eliminators?

    anyone used battery eliminators to power HR92's?
    I've got one that's in a really awkward spot for battery changing, but running a wire to it for permanent power would not be too difficult.
    tempted...
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    if it was me, I'd download the manuals, take the...

    if it was me, I'd download the manuals, take the cover off and follow the cables, buts its your system so your choice :p (btw I'm not suggesting that you change anything)

    I think given that you...
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    I wonder if the panasonic heat pump controller is...

    I wonder if the panasonic heat pump controller is doing all the hard work, and the evohome BDR just being an external "call for heat" . See if you can see from the panasonic controller manual what...
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    thank you that is appreciated. That is the one...

    thank you that is appreciated. That is the one that I have been scratching my head about so good to hear!

    Do you have the "optional heat pump control connection" as well? if yes how is it wired...
  19. really interested to hear what you find out....

    really interested to hear what you find out. would like to move for heat pump in my home also , but the lack of evohome documentation on the subject of exactly how you set it up for heat pump (both...
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    I have a MyEnergi Eddi to dump PV into the...

    I have a MyEnergi Eddi to dump PV into the cylinder. Since october I have set a manual boost on that between 0030 and 0430. That means it runs at full power between those times (until the tank is up...
  21. not to answer your question but just a suggestion...

    not to answer your question but just a suggestion - translate the diagram into english, that may widen the chances of getting an answer.
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    hi I was wondering why you were setting it so...

    hi
    I was wondering why you were setting it so high. fortunately, I have the exact solution for you as I have been there and done that! There is a demand terminal box for these boilers....
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    its in a sealed system but exact same boiler. I...

    its in a sealed system but exact same boiler. I run mine at "4" as much as poss, flow temps typically 50-55. thats enough to heat my house (210m2, 1973 brick detached). Of course every house is...
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    I have the same boiler and it behaves the same...

    I have the same boiler and it behaves the same way. 26kw with a 7kw min. Its been in 6 years and has been very economical, my usage is way below that of the EPC, and until last week (when the flow...
  25. Thread: X-Plan

    by sandyman
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    I use this x-plan setup. My heat-only viessman...

    I use this x-plan setup. My heat-only viessman boiler will not produce the high flow temps needed to heat a DHW cylinder unless its "DHW demand" terminal has voltage applied. without that , the...
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