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Type: Posts; User: Treadstone

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  1. Replies
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    I am aware that the 'Round wireless' is a zone...

    I am aware that the 'Round wireless' is a zone controller and it works very well when controlling a single zone bound to a BDR91 .

    I had mentioned earlier that the Y87RF NOT part of the system...
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    My thoughts on this were that the Evohome unit...

    My thoughts on this were that the Evohome unit was defective or the much discussed 'learning ability' of the Evohome unit was sort of not learning. Overshoot crops up many times here and to fair...
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    None of this relates to my original post...

    None of this relates to my original post regarding why a Y87RF bound directly to the BDR91 outperforms an Evohome controller regarding overshoot. It may be worth sharing your system requirements...
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    If you visit ...

    If you visit https://evohome.honeywellhome.com/?src=evohome and complete the system builder for a single zone combi boiler you will find it is a recommended configuration. It did not work to my...
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    It's all long gone now but if Evohome can't...

    It's all long gone now but if Evohome can't control a single zone in a manner that meets my requirements the system is clearly not for me which I accept. For the record I do not include myself in the...
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    Thanks for the your thoughts however the Y87RF...

    Thanks for the your thoughts however the Y87RF was never part of the system when the Evohome controller was part of the system. If it had been your easy fix would have been great.
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    Y87RF with BDR91 and no Evohome controller

    Having finally given up on Evohome due to constant overshoot with no apparent solution I thought I would try using a Y87RF bound directly to the BDR91 connected to my combi boiler.

    I was amazed to...
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    An interesting viewpoint that Evohome may not be...

    An interesting viewpoint that Evohome may not be suited for a well insulated property !
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    Surley we need something that does more than...

    Surley we need something that does more than Evohome & better ! that would get a +1 from me
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    The future for my Evohome products is being...

    The future for my Evohome products is being recycled into something more useful that does not require constant monitoring for all manner of issues. I have a goldfish that is smarter than this sytem....
  11. Thanks for sharing your experience and good to...

    Thanks for sharing your experience and good to hear you are happy with your system. If I had 12 zones and managed to contain overshoot to 1.5 deg I think I would be happy as well but 1 zone and +2...
  12. Evohome single zone with BDR91 zero or very near zero overshoot anybody

    Hi Folks, I have been running Evohome in a single zone configuration driving a BDR91 and using the HCF82 remote sensor for a year. The sytem works fine except for temperature overshoot which is a...
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    The flow temperature is set at 55 0C which seems...

    The flow temperature is set at 55 0C which seems like a sensible number that works for my well insulated house. I do not use the internal temperature sensor & am currently using the HCF82. However as...
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    An update, since the weather has chilled I gave...

    An update, since the weather has chilled I gave the Evohome kit another go and things have improved by a large margin.

    Could learning have been hampered by mild weather ? has re installtion (power...
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    You may well be correct in that Evohome may not...

    You may well be correct in that Evohome may not function as expected/hoped when operated in a single zone configuration contrary to the Honeywell documention showing it as a valid installation.

    As...
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    I have not used the internal sensor but have...

    I have not used the internal sensor but have tried both the HCF82 & T87RF with the same result. I have reinstated the evohome this morning for a further trial period.

    Here is a thought what do you...
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    Great to hear your all good there, 6 years and...

    Great to hear your all good there, 6 years and happy. You cant ask for much more than that !
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    Thanks for your input, it was a single zone only,...

    Thanks for your input, it was a single zone only, no HR92s. I gave it 4 weeks before before giving up and reverting to my previous stat that restored family harmony. While I appreciate this system...
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    New to Evohome and dissapointed

    I am new to Evohome and can not get my head round such poor temperature control. It is configured as a single zone controlling only the boiler and the overshoot is just crazy and it then continues to...
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