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Type: Posts; User: lloyd

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  1. Thread: X-Plan

    by lloyd
    Replies
    6
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    188

    ok. I had assumed that if you were using...

    ok. I had assumed that if you were using OpenTherm then evoHome would simply open the CH / DHW valves as appropriate, and if you had enabled DHW priority that it would then always close the CH valve...
  2. Thread: X-Plan

    by lloyd
    Replies
    6
    Views
    188

    Thanks for those. Makes for interesting reading. ...

    Thanks for those. Makes for interesting reading.

    One thing I'm still struggling to get my head around is why you need to have the CH 2-port normally open. Is it not more accurate to say that you...
  3. Thread: X-Plan

    by lloyd
    Replies
    6
    Views
    188

    X-Plan

    I've seen a few references in various posts regarding a so called x-plan, but any links associated with the conversations lead to 404 errors. Can anyone point me to an explanation or diagram?
  4. Replies
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    Having just moved from Y-plan to S-plan, I'm...

    Having just moved from Y-plan to S-plan, I'm noticing short cycling more now, mainly because the time delay between relay switch on and boiler ignition is longer due to valve delay. Before adding...
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    Agree. In my mind the system summary is showing...

    Agree. In my mind the system summary is showing demand for each zone and the dhw. The heat relay does not have it's own demand.
  6. Differential 3 degrees, overrun 0 minutes

    Differential 3 degrees, overrun 0 minutes
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    365

    Updated Honeywell Total Connect Android App

    Got an update to the Honeywell Total Connect Android app today (v4.15.0). Before you get excited, no significant changes.
  8. DHW turned off whilst below target temperature

    Have just installed the DHW side of my Evohome, and noticed yesterday that the relay was turned off for about 10 minutes during the water heating period, way before target temperature was reached. ...
  9. Replies
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    14,442

    You may not get the confirmation you need. ...

    You may not get the confirmation you need. Having just replaced my old cylinder with an unvented one (Joules), I have inserted temperature probe into the thermostat pocket. Modern cylinders are...
  10. Replies
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    Evohome - Boiler firing with no demand

    Why is it that even after the demand for heat has fallen to zero, minutes later my boiler is asked to fire? At best this is wasting money, and in the worst case scenario there is a danger of the...
  11. Deleted the zone yesterday, put it back, and this...

    Deleted the zone yesterday, put it back, and this morning that zone only called for heat 45mins before the scheduled set point, and it hit that about 5mins early. I'll monitor over the next few days.
  12. Thanks. I think I agree with the above. This...

    Thanks. I think I agree with the above.

    This is the graph for this morning

    1786

    Green - scheduled SP
    White (dashed) - SP sent to HR91
    Blue & Orange -two HR91 temperatures
    Orange and Blue...
  13. Evohome - excessive use of optimise start period

    I'm currently wondering why I'm seeing at least one, perhaps two, zones which seem to always come on right at the start of their optimisation period first thing in the day. I have had this set to 2...
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    There is a certain amount you can do without any...

    There is a certain amount you can do without any additional hardware, it just communicates via the web api. https://www.home-assistant.io/integrations/evohome/

    Detailed info I get by listening to...
  15. Replies
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    Thanks for that info. Interestingly I'm not...

    Thanks for that info. Interestingly I'm not seeing the announcement when I remove and replace the batteries in my DT92E. This is the sequence I see:


    2021-01-06T17:25:00.067202 || THm:008820 |...
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    1,116

    DT92E Protocol - battery status

    Does anyone know if a DT92E transmits its battery status at any time, and if it does, is it encoded the same way as other devices such as HR91/2? I've yet to see a battery status from mine, but I'm...
  17. Replies
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    Looks like 2020.12.1, released today, has...

    Looks like 2020.12.1, released today, has resolved this.
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    There appears to have been a very similar issue...

    There appears to have been a very similar issue back in 2018:

    https://github.com/home-assistant/core/issues/17851
  19. Replies
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    I assume that you are running the current version...

    I assume that you are running the current version of HA?
  20. Replies
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    evohome HA clear_zone_override service

    Anyone using the Evohome clear_zone_override service in an automation in Home Assistant? Although I can get this to work in the developer tools, as a newbie I'm struggling with the syntax required...
  21. Replies
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    I must admit that I am surprised that your...

    I must admit that I am surprised that your experience is so bad. If the head does not have enough torque or throw to close the valve, then you would have the opposite issue. I suppose the question...
  22. Thanks, that makes sense. It's not obvious from...

    Thanks, that makes sense. It's not obvious from a packet dump using evohome_listener, but trying evohome_rf it does show it.

    So I suppose the other question is how does a HR91/2 know that it is...
  23. Single vs Multi - what is actually happening?

    I'm trying to understand the differences between single and multi room modes.

    Fundamentally, I understand that for a zone in single room mode the only sensor that is used is the first one that is...
  24. Replies
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    Settings -> Very long press on device settings

    Settings -> Very long press on device settings
  25. Replies
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    So it does seem to be working fine. One test you...

    So it does seem to be working fine. One test you could try would be to use the override function and listen to now much it turns. You could also remove the head with it in fully on and fully off...
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