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Type: Posts; User: fergie

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  1. I rejigged my water heat and time settings to...

    I rejigged my water heat and time settings to stop this happening. Itís also possible to calibrate how long and how much the temp drop has to be for before the window function kicks in.
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    I think the biggest questions are to do with the...

    I think the biggest questions are to do with the size of your home and whether you want heating always Ďoní.

    In a larger home the smart controls are absolutely brilliant. My only slight gripe is...
  3. My hall radiator is near the front door so I...

    My hall radiator is near the front door so I changed the time delay on it. One of my bedroom windows can be a little drafty so I turned the window control off completely for that room.
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    I'm the same as dty - I have 3 towel rails that...

    I'm the same as dty - I have 3 towel rails that are partly open plus an 'over run' in the garage which (usefully) heats a radiator there.
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    Shouldn't hot water be stored at least 60?

    Shouldn't hot water be stored at least 60?
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    Imo it is very straightforward to do. I actually...

    Imo it is very straightforward to do. I actually thought OT told the boiler if it were CH or HW its heating, but sadly not.

    So if all OT is sending is a temperature command, it would be very easy...
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    I may be putting 2 and 2 together and getting 22,...

    I may be putting 2 and 2 together and getting 22, but I believe the Ďintergas fixí is to wire the OT into CH only and the water supply via a BD91 to the combi side. This way the boiler knows what...
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    How are you monitoring? Iíd like to be able to...

    How are you monitoring? Iíd like to be able to take graphs like that :)

    My house is very efficient, but different size rooms heat at different speeds and different rooms are used at different...
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    I was going to go intergas for my OT iS S plan...

    I was going to go intergas for my OT iS S plan install until they told both myself and my preferred installer that it couldnít cope with multizones. It seems solutions have now been found, but with a...
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    I dropped Honeywell a message via their evohome...

    I dropped Honeywell a message via their evohome web message service to ask about adding functionality to control the max CH temp. Though the lady seemed pretty knowledgeable, she said she would pass...
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    Fair enough, but something must be different in...

    Fair enough, but something must be different in the other setting requests maybe? But at least the Atag seems to be further capping it (to an extent).
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    I've been playing a wee bit with the settings on...

    I've been playing a wee bit with the settings on my Atag iS32 (HenGus has the 24). As HenGus says, if the boiler is set up at the 70deg preset, it never goes above that, but I have found that if I...
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    That has to be one of the longest posts for quite...

    That has to be one of the longest posts for quite a while 😎

    Rather than messing around with sensors, Iíd be happy for evohome to use forecast temps (with option to vary it if your garden is...
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    In a perfect world it would all be done as a...

    In a perfect world it would all be done as a software update to the existing controller, but if required a new evotouch, I would certainly buy it.
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    Is having customisable CH and HW temp limits...

    Is having customisable CH and HW temp limits something anyone has discussed with Honeywell?

    It surely canít be that hard as the HW already has a max temp to switch off at.
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    There may be more to it, but from what I can see...

    There may be more to it, but from what I can see from the system update - the OT bridge asks for the same percentage as the highest percentage radiator call.

    It doesn't matter if one rad or ten...
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    Surely the simplest solution is to be able to...

    Surely the simplest solution is to be able to control the heat demand percentage in the Evohome itself?

    Ie when HW is called for it tells the OT bridge to ask for 100% = 70deg.

    When radiators...
  18. Which seems to take us back to the problem we see...

    Which seems to take us back to the problem we see with OT and a lot of boilers. In that it seems to over ride the boilerís own algorithms.

    Guess Iíll need to contact Atag to see if itís possible...
  19. Its only about 20% of the rad that is actually...

    Its only about 20% of the rad that is actually covered, but it is a large room and all counter acts I guess.

    Thinking about it logically, what I would like is a setting that lets me set the...
  20. Cheers DBM - Shall try that. Its one of the...

    Cheers DBM - Shall try that. Its one of the largest rooms and the radiator is in a bay with a dresser in front of it - though I did take the back off the dresser so plenty room for air to circulate....
  21. Evohome is now saying the same zone is asking for...

    Evohome is now saying the same zone is asking for 37% and OT is also asking for 37%. The boiler is now displaying the demand as 20 deg.
  22. At the moment its telling me only one zone is...

    At the moment its telling me only one zone is calling for heat (Master Bedroom already at temp), but it is asking for 88% and the OT Bridge is asking the boiler for 88%. The result is the boiler is...
  23. I have HW Priority and also the Hot water kit....

    I have HW Priority and also the Hot water kit. Currently the system is showing 100% for HW and 100% for the boiler - which is what I would expect.

    Maybe an easy solution for Honeywell would be to...
  24. I've started a new thread about it, but I guess...

    I've started a new thread about it, but I guess its down to boiler design that means OT seems to override the built in boiler control based on return temps.

    I don't think OT is clever enough to...
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    Opentherm and Evohome System Summary

    So the version 2.0 update is letting me see a lot more information about my Evohome and how it interacts with my Atag iS32.

    I'm guessing Boiler Control - Opentherm bridge is giving the percentage...
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