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Type: Posts; User: Midori

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    Bdr91a 1000 1516 3 st1 e

    I installed my Evohome Oct 2015 and up till now it has been working fine.
    Recently one of my BDR91A relays has had a flashing red light occasionally, occasionally the connected zone valve not...
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    Short Cycling on zone valve system

    It has been well over a year since I started the thread. Here is feedback on former short cycling issue for my system (2 heating zones plus one HWS zone - boiler control by 3 x zone valves with aux...
  3. The only dissapointment for me is how Evohome...

    The only dissapointment for me is how Evohome resolves it's control logic for non HR92 systems. I mean those systems like mine which have one or more on/off zone valves. In essence; effective control...
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    Conclusion: I carried out further tests over a 4...

    Conclusion:
    I carried out further tests over a 4 week period in order to draw conclusions. Finally, in my view the cause of all my spurious faults was related to OEM battery compartment design and...
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    Of me, the wife, or where it says put 1 metre gap...

    Of me, the wife, or where it says put 1 metre gap between two Honeywell products?
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    Yes, I read this before installation and since...

    Yes, I read this before installation and since commissioning in May 2015 (and thanks to Ramses II) the kit has worked continuously. Walls are brick/breeze block and no foil lined plasterboard...
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    Testing signals, one showed up as "good", all...

    Testing signals, one showed up as "good", all others showed as "excellent". I have no way to test RF interference from other sources, but there has been no additional products introduced in the...
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    1) It's winter, so expect room warm up...

    1) It's winter, so expect room warm up temperatures to approach 2 hours if you let night room temp drop to 16.5C.
    2) It depends where you put the sensor as to what actual room comfort temperature...
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    I checked voltages before posting Logs: Wall...

    I checked voltages before posting Logs: Wall Charger Bracket was supplying 4.2 v on the slider contacts, Evohome rechargeable cells were both at 1.29 v (no load basis). Since the rechargeables are...
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    Evohome Fault Logs showing up frequently

    Any idea of what is happening amd causes of following fault logs which started like this in Feb 2016?

    698
    and
    699

    Is it something to do with IP link to Total Connect Comfort that I need no...
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    @killa47, For me this was due to dirty or poor...

    @killa47,

    For me this was due to dirty or poor contact between batteries and Evo contact springs or between Evo hook and dock station. After cleaning all battery spring terminals (and re inserting...
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    Well Well! It can say that remote update over...

    Well Well! It can say that remote update over internet by Honeywell appears to be correct and working.... The third screen in my post dtd 21st Nov now has a "CLEAR" icon enabling old fault logs to be...
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    Feedback and Closure

    As original poster, this is the outcome which is 100% positive!

    I followed advice, unbound everything, reset controller and de-powered everything. I purchased an additional relay to act as "boiler...
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    This is a valid point. My Honeywell V4043H's...

    This is a valid point. My Honeywell V4043H's motorised zone valves take 10 seconds to open and signal the boiler. The boiler takes around 50 seconds to do it's ignition sequence before ignition. If...
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    Yeah! It all became patently clear when I re-read...

    Yeah! It all became patently clear when I re-read all the advice I received on this subject.
    My bindings are incorrect from start, or became corrupted, because Min ON TIME should not appear in Evo...
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    @Paul.... Glad to see it is not just me. I too...

    @Paul.... Glad to see it is not just me. I too thought about installing two normally closed timed open (NOTO) relays to extend BRD short cycling, but they are not so cheap to buy and you risk...
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    If you look at Honeywell evohome Installation...

    If you look at Honeywell evohome Installation Guide: Sample evo systems:
    I have the S Plan two-port valves installed as page 42, except there is an additional heating zone.
    A bypass is also...
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    And I wonder about how this internal sensor self...

    And I wonder about how this internal sensor self binds. To bind a remote sensor (Y87RF) we have to be aware that "co" not "bo" mode has to be preselected during binding process. When EVO binds in the...
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    My boiler (Vaillant 418) is gas fired heat only...

    My boiler (Vaillant 418) is gas fired heat only open vent type. Burner start-up sequence to confirm electrics, pump running, fan pressure correct and open gas valve takes around 50 seconds. So when...
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    Thanks again, I am understanding to stop my 2...

    Thanks again,

    I am understanding to stop my 2 heating zone relays/valves opening and shutting in periods anywhere down to as short an 60 seconds, I have to use a boiler relay configuration. The...
  21. The thing I miss the most after switching from my...

    The thing I miss the most after switching from my old Danfoss Time Switch and which my wife keeps asking me "where is user friendly 1 hour button"?

    1) a "One Hour" button to turn heating on during...
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    Does the optimisation use the measured...

    Does the optimisation use the measured temperature deviation value (from set point value) to optimise ON time, or does it use outside ambient temperature somehow? I read somewhere that the public...
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    Thanks for above thoughts and feedback as...

    Thanks for above thoughts and feedback as follows:-
    @HenGus: Yes I completed that course when I first got the kit.
    @paulockenden: Yes you are correct, there is no single boiler relay as such....
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    Evohome - fine tuning controls

    I have a Vaillant heat only boiler controlled by an Evohome, installed one month ago and all working perfectly. The Vaillant, when asked provide heat, controls the burner, pump, pump overrun time,...
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