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  1. I know I will start another debate about the...

    I know I will start another debate about the merits or otherwise of having a BDR91 on the main CH zone valve, but one of the reasons I landed up with a spare was because I don't have one on my CH...
  2. I seem to have a stock of BDR91s because of all...

    I seem to have a stock of BDR91s because of all the wall sensors I have and these come bundled with them.
  3. The orange wires have to be removed from the...

    The orange wires have to be removed from the boiler and not the BDR91. It's the orange wires from the zone valves that are currently firing the boiler. You don't want that to happen.
  4. Hi Spence, welcome to the forum. If there is no...

    Hi Spence, welcome to the forum. If there is no boiler control, what is firing the boiler? Is it the micro switches in the zone valves? I would say now a BDR91 for boiler control is worth...
  5. Could someone who has the 02.00.19.33 BETA...

    Could someone who has the 02.00.19.33 BETA version of the Evohome controller firmware confirm if their Domoticz is still updating the various OT devices in Domoticz. My Domoticz hasn't received any...
  6. Enter the Settings menu and the long press on the...

    Enter the Settings menu and the long press on the Device Settings.
  7. Think of it as a percentage of an hour. 50% means...

    Think of it as a percentage of an hour. 50% means it will be ON for 30 mins within the hour, when, is determined by the cycle rate set.
  8. Duty Cycle percentage. It's the Heat Demand...

    Duty Cycle percentage. It's the Heat Demand represented as a percentage.
  9. Zone Valve

    Zone Valve
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    Sorry to be the bearer of bad news Kevin, but the...

    Sorry to be the bearer of bad news Kevin, but the controller hasn't changed. There is actually a new BDR91 released for 2020 and that has the heat pump support in it. The same old controller from...
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    I think Kevin or the Evohomeshop were trying to...

    I think Kevin or the Evohomeshop were trying to ring in some fun in an otherwise grim 2020.
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    That's so funny. Just because they get the...

    That's so funny. Just because they get the ATC928G3000 in stock in 2020, doesn't make it a 2020 model. That is still the V3 of the evohome that is now quite a few years old. You had me there for a...
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    REALLY?? when where

    REALLY?? when where
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    The High limit pipe thermostat is such a neat...

    The High limit pipe thermostat is such a neat idea. I wish my plumber had thought of that. Our UFH was put in and while the floor was curing it was meant to run 25C water round the loops. Some fool...
  15. Indeed you can. You can pair a single OTB or a...

    Indeed you can. You can pair a single OTB or a single BDR91 to 4 controllers. The end result is always the sum of all the devices.
  16. I don't think a pro system with the same features...

    I don't think a pro system with the same features exists any more. Hometronic was sold as the Pro version to CM Zone, both of which were phased out when Evohome came on the scene. Controlling two...
  17. You can use two controller, both controlling the...

    You can use two controller, both controlling the same boiler and valve devices. Or audit your house and look for zones that all follow the same schedule - use multi room zones for that. Or large...
  18. Yes no load scaling on OT because OT is meant to...

    Yes no load scaling on OT because OT is meant to already be an adaptive device. However the implementation is far from adaptive and made considerably worse if your boiler just blindly follows what...
  19. Are you absolutely sure you don't have one of...

    Are you absolutely sure you don't have one of those uncontrolled boilers that will try and ramp up to 90C when used with the R8810? Remember that load scaling doesn't work with the R8810.
  20. How do you target Eco to a zone?

    How do you target Eco to a zone?
  21. I don't believe the CS92A issues are due to...

    I don't believe the CS92A issues are due to signal strength at all. The issues appear to all point to software issues, rather than hardware. So I remain optimistic that they can be fixed.
  22. I even took the weak battery theory out of the...

    I even took the weak battery theory out of the equation. My CS92A is hardwired and uses the same PSU as the controller and I still get the Hot Water Comms failure messages.
  23. Also if you can read the radio signals, it gives...

    Also if you can read the radio signals, it gives you two decimal places temperature readings, which are then further subjected to the adjustments mentioned above.
  24. Had my first experience of seeing what happens to...

    Had my first experience of seeing what happens to all the fancy weather compensation when broadband goes down. Everything reverts to the set points and then seamlessly goes back into weather...
  25. Actually only works with the BDR91, doesn't work...

    Actually only works with the BDR91, doesn't work with the OT as that is deemed to be an adaptive control anyway
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