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  1. OK grab the latest Beta and let me know how you...

    OK grab the latest Beta and let me know how you get on. I am now processing all the OT Status flags, like the OTGW, even if some might not be relevant for the Evohome implementation of OT. But you...
  2. No, basically the Vaillants are able to handle...

    No, basically the Vaillants are able to handle two flow temperatures but using their own eBUS controls. However if you use the Evohome HW BDR91 to short the DHW sensor inputs, it tricks the Vaillant...
  3. Vaillant with the VR33 works fine too. And now...

    Vaillant with the VR33 works fine too. And now there is a solution for the variable target flows depending on DHW heating vs CH heating too. The only bug, I have spotted is an incorrectly reported...
  4. Things have moved on quite significantly in the...

    Things have moved on quite significantly in the last few months. Have a look at evohome_rf if you have an HGI80 or combine it with evofw3 if you have a DIY platform.
  5. Can anyone see the need to track the OT CH and...

    Can anyone see the need to track the OT CH and Fault status of the boiler? I already track the Flame Status.
  6. OK @oxgen try now. My PR has been merged into the...

    OK @oxgen try now. My PR has been merged into the latest Domoticz development branch. I am now correctly handling temperature and updating an Outside Temperature device in Domoticz.
  7. I have now submitted a PR to fix the Outside...

    I have now submitted a PR to fix the Outside Temperature OT data and it now creates a sensor device called Outside Temperature, which gets updated every 5 mins with the data your OT boiler connected...
  8. Ah right. So let me supply a proper code fix back...

    Ah right. So let me supply a proper code fix back to Domoticz that deals with 0C and -ve temperatures. But atleast now, I have enough evidence that the VR33 is what is causing the issue in my set-up.
  9. Your OT is returning the proper data. Could you...

    Your OT is returning the proper data. Could you please do this for me.
    Edit the file hardware/EvohomeRadio.cpp search for


    //SendTempSensor(27, 255, fOTResponse / 16, "Outside Temperature");
    ...
  10. OK, but is 14.84C about right in terms of outside...

    OK, but is 14.84C about right in terms of outside temperature for you now? That's what the 0E D8 translates to.
  11. The new code needs to first detect that you have...

    The new code needs to first detect that you have an OTB in your system. That process can take a few minutes, but once it detects an OTB, it will start requesting the OT data every 5 mins, as before.
  12. If you have access to the latest Domoticz Beta,...

    If you have access to the latest Domoticz Beta, could you please download and run that. Confirm that all your OT devices that had stopped updating have started updating again, every 5 mins. Once you...
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    I don't think Honeywell actually allowed firmware...

    I don't think Honeywell actually allowed firmware upgrades on any of their heating systems.
  14. The boiler should be completely off during a pump...

    The boiler should be completely off during a pump overrun. Unless your boiler is designed in a way that the fan is trying to also cool the boiler in an over run situation.
  15. I used to use Domoticz on Synology for years. But...

    I used to use Domoticz on Synology for years. But then gave up and moved over to QNAP, for the Virtualisation Station. Now I run Domoticz in an Ubuntu VM. I think Synology too has a Virtualisation...
  16. That is quite clear evidence that the OTB is...

    That is quite clear evidence that the OTB is doing a lot more than is being instructed by Evohome.
  17. Reliance on an Internet feed for temperature was...

    Reliance on an Internet feed for temperature was always going to run into these sorts of issues, especially with the lag involved in the update reaching your controller.
    Come on Resideo, when can we...
  18. My OTGW sat unused for over a year and the moment...

    My OTGW sat unused for over a year and the moment I decide to sell it, because it made little sense to my setup, I could do with one - Typical isn't it.
    In any case, what I was trying to do was...
  19. So previously, Evohome would request the boiler...

    So previously, Evohome would request the boiler stats from the OTB every 5mins. It doesn't do that any more. It used to request the Control Setpoint and Flame status every minute, it doesn't do that...
  20. The Evohome firmware upgrade cannot impact the...

    The Evohome firmware upgrade cannot impact the frequency at which the OTB requests the boiler for the outside temperature. It could however be that the two OTB units that you have, have different OTB...
  21. So we think both 08: and 31: are Jasper products?

    So we think both 08: and 31: are Jasper products?
  22. Very interesting. Could you please show me some...

    Very interesting. Could you please show me some more of these temperature messages, especially if you have the actual temperatures too. And definitely when the temperature is above 16C outside.
  23. Kevin, are you saying you have actually seen the...

    Kevin, are you saying you have actually seen the OTB request the outside temperature ID: 1B from the boiler? I wonder why it does that thought. That data is going nowhere. Evohome wasn't pulling it...
  24. BTW, I too catch this type of device with exactly...

    BTW, I too catch this type of device with exactly that message. But in my case I know it is a neighbour because I know the IDs of relays and it isn't talking to any of them.
  25. I am getting back data from my Outdoor sensor,...

    I am getting back data from my Outdoor sensor, which seems to change exactly in relation to the actual temperature but I can't make any sense of the data I am getting.
    So I am trying to figure out...
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