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  1. @smar Thanks for trying out the fifo-hang branch...

    @smar Thanks for trying out the fifo-hang branch and confirming that it receives the HCC80R demand messages OK on your system. With regards to sending, no it's not currently functional on this...
  2. @springgreens I recommend trying the 'fifo-hang'...

    @springgreens I recommend trying the 'fifo-hang' branch of the ghoti57/evofw2 firmware as this is the current active development branch. I've been testing it over the weekend with pretty good...
  3. We're really looking for those longer 3150...

    We're really looking for those longer 3150 messages like Bruce listed, but I couldn't see any in your post. Smar's also confirmed that the listener code should work perfectly if the messages are...
  4. Excellent, thanks Bruce. I think we've got all...

    Excellent, thanks Bruce. I think we've got all the info we need and most importantly you've confirmed that there are per zone heat demand values. Unfortunately, as you've also highlighted the ability...
  5. The firmware is work in progress, but I'd...

    The firmware is work in progress, but I'd recommend the fifo-hang branch of the repo you're using (I've just begun testing it) The error you're seeing in the Domoticz log looks like one of the random...
  6. @springgreens sorry, I wasn't too clear. I was...

    @springgreens sorry, I wasn't too clear. I was referring to the heat demand information which is shown if you click on System Summary within the Installation Menu (accessed by pressing and holding...
  7. @springgreens Do you see heat demand...

    @springgreens

    Do you see heat demand information for each of your HCE80 zones on the settings screen on the controller and if so, are they different for each zone? The reason that I ask is that I...
  8. Hi, I just noticed your post over on the...

    Hi,

    I just noticed your post over on the Domoticz forum. I'll post my reply over there.

    Dan
  9. Hi, Unfortunately I think you're unlikely to...

    Hi,

    Unfortunately I think you're unlikely to find any information which clearly indicates compatibility and Glow Worm don't officially support Opentherm. Even with my Ultracom2 I had to just rely...
  10. I think Paul's correct about S4. Google came up...

    I think Paul's correct about S4. Google came up with this Dutch manual which labels S4 as the 'Cold water sensor' i.e. flow-in from a pre-heater (Solar Water Heater in this example)....
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    Yes, just using the HR92s should work OK. I use...

    Yes, just using the HR92s should work OK. I use 16 of the HR92s split into 12 zones without any additional thermostats etc and they work perfectly.


    I self-installed my Evohome system in a large...
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    Yes, it's the optimised start symbol. Here's a...

    Yes, it's the optimised start symbol. Here's a link to a helpful document on the Honeywell website which describes all the icons (the second file gives the ones for the newer firmware which includes...
  13. Hi Richard, I've had a quick search and found...

    Hi Richard,

    I've had a quick search and found a few pictures of the card from your boiler and it's not the same as the one in my Ultracom2. The pictures I found look almost identical to the card...
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    Thanks for highlighting this work in Home...

    Thanks for highlighting this work in Home Assistant. It's been a while since I looked at it and it's great to see that there are plans to add HGI80 support. I'm going to reach out to the developer...
  15. A partial solution to Phase 4 which you may...

    A partial solution to Phase 4 which you may already be aware of is the 'Nefit EMS-OT OpenTherm converter' described on this page:

    https://myboiler.com/opentherm/worcester-bosch-opentherm/

    It's...
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    My preference would be to retain the Honeywell...

    My preference would be to retain the Honeywell controller which would still handle system set-up and the background system control, and add a device with neater interface for monitoring and control. ...
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    Yes, that's correct. The heat demand isn't...

    Yes, that's correct. The heat demand isn't available via the API, only via one of the controller menus or using a HGI80 type device to monitor the Evohome wireless messages.
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    Sorry, I should have added some further details. ...

    Sorry, I should have added some further details. On the controller, if you press and hold on the settings button you get to a menu labelled 'Installer Menu'. If you click on the 'System Summary'...
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    No, not via Evohome as it only tells you what it...

    No, not via Evohome as it only tells you what it has asked the boiler to do, but not the actual boiler status. It is possible to monitor some boilers remotely via Opentherm or other serial...
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    The only comments I can add are that my...

    The only comments I can add are that my experiences with the use of the Evohome controller as a room temperature sensor have been positive. You also have the option to use the temperature sensors...
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    I don't think these 40min no heat periods will...

    I don't think these 40min no heat periods will mess up the Evohome controller's 'fuzzy logic' heating optimisation algorithm. My confidence is due to the fact that even with standard gas boilers...
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    Thanks for the additional info on how the 40min...

    Thanks for the additional info on how the 40min periods are spread throughout the day. I'd wrongly guessed that more of them would be grouped together near times if highest demand e.g evening. I...
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    I was thinking that the room temperature might...

    I was thinking that the room temperature might drop during some of the 40min periods so that you notice it feeling cooler. If this happens you could increase the setpoint by 0.5deg to keep the room...
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    I think the controller will work OK and the 40min...

    I think the controller will work OK and the 40min periods won't cause it problems. It's a shame that the Evohome 6 setpoint daily limit isn't enough for your setup. I find the Evohome system works...
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    Oh, I didn't realise that you already had some of...

    Oh, I didn't realise that you already had some of the Evohome devices!

    I think I may have misunderstood exactly what you wanted the Evohome system to do.

    Here's what the Evohome system should...
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