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  1. Replies
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    It's an age thing, nothing to do with geography. ...

    It's an age thing, nothing to do with geography. In the 'old days' all the wiring for central heating systems was at mains voltage. Like DorrisMancer, my thermostats were all wired with three core...
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    Just to break the silence....... I have found...

    Just to break the silence.......

    I have found exactly the same as you. I have a CC dashboard but can see no way to include the hot water from Evohome on that. Just letting you know that you are...
  3. Radiators should be plumbed in parallel, not in...

    Radiators should be plumbed in parallel, not in series. Like this:

    1415
  4. Glad it's sorted. Well done. Cheers! :)

    Glad it's sorted. Well done. Cheers! :)
  5. It does sound as though the Lyric is working OK. ...

    It does sound as though the Lyric is working OK. What happens if you replace the jumper between Lr and Ls on your boiler (ST8)? The boiler should be fooled into thinking heat is being demanded. ...
  6. The Ns terminal on the ST8 block is only there...

    The Ns terminal on the ST8 block is only there for the old-fashioned mechanical thermostats, which take their power supply from the boiler. Their connections would be a live from the boiler (Ls), a...
  7. Referring to the manual...

    Referring to the manual again, you should have a permanent power supply (live, neutral and earth) to the ST12 terminals in Fig. 11 (item 1). That is the only neutral that the boiler needs. Fig. 8...
  8. I think this is the manual...

    I think this is the manual for your boiler. In which case, yes, T1 and T2 on your diagram are Ls and Lr in Figure 13. Apologies. I had not appreciated that the 35CDi can be operated at 230V. I...
  9. Have you really connected the 230V supply into...

    Have you really connected the 230V supply into the T1 terminal on the boiler? I do not know about the 35Cdi boiler but my Worcester GB162 operates on 24V. I have a relay that closes the contacts...
  10. I have stuck with the 'one zone per floor'...

    I have stuck with the 'one zone per floor' approach, controlled by Evohome, rather than universal HR92s because:
    (a) 32 HR92s would cost me about 1.5k, which I don't want to spend;
    (b) Several of...
  11. I have Evohome but I don't use HR92s, so my...

    I have Evohome but I don't use HR92s, so my experience is not directly relevant to you. However, I do have a GB162 65kW boiler in a three storey Victorian house with 32 radiators. I have no...
  12. I can assure you (and "Evo Home Support") that...

    I can assure you (and "Evo Home Support") that there is frost protection, whether they call it that or not. The "Off" setting simply moves the setpoint to 5oC. It even applies the differential on...
  13. Replies
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    I received an automated e-mail on Monday 21 Jan...

    I received an automated e-mail on Monday 21 Jan alerting me to a loss of comms with my Evohome system. The web app is now looking like this:

    1366

    and the phone app is showing the same message....
  14. What temperature was your Evotouch showing for...

    What temperature was your Evotouch showing for the hot water? At this time of year I see my hot water coming on when it is scheduled to be off, because my incoming cold water is below 5oC. Even...
  15. Replies
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    I have a Megaflo 210i. But my cylinder has a...

    I have a Megaflo 210i. But my cylinder has a purpose-built pocket for a separate temperature sensor, like the one provided by Honeywell's Evohome CS92. A picture of my cylinder is attached here. ...
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    Please forgive a note of pedantry here, but all...

    Please forgive a note of pedantry here, but all radiators are 100% efficient. All of the heat lost by the water goes into heating the air around the radiator. There are no other losses. So...
  17. Has your problem resolved itself (i.e. has your...

    Has your problem resolved itself (i.e. has your manual correction of the time stuck)? If not, and the EvoTouch has gone back to a four hour offset, have a look at this thread: ...
  18. Replies
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    I have a Megaflo 210 cylinder and it is pressure...

    I have a Megaflo 210 cylinder and it is pressure that bothers me much more than temperature. As I understand it, there is no physical diaphragm to separate the air bubble at the top of the cylinder...
  19. I use Evohome to control my heating and I have...

    I use Evohome to control my heating and I have three zone valves, each controlled by a BDR91. You will find that the valves open and shut frequently under the TPI control (analogue to digital...
  20. Why do you heat them at all? I have guest...

    Why do you heat them at all? I have guest bedrooms and bathrooms that I leave unheated normally but turn on the heating a day or so before guests arrive so that the furniture and fabrics feel warm...
  21. But that heat has to go somewhere. The heat...

    But that heat has to go somewhere. The heat being put into a house equals the heat lost by it. The heat losses of a house with humid air are surely exactly the same as the heat losses from a house...
  22. That is news to me. Can you explain please or...

    That is news to me. Can you explain please or point me in the direction of an explanation somewhere else? Thanks.
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    I don't have UFH but I am guessing that your UFH...

    I don't have UFH but I am guessing that your UFH is supplied through a spring-return valve which closes whenever the BDR shuts off. That is a hobby-horse of mine on this forum. I am in a minority...
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    That post #3 above should go in the list of...

    That post #3 above should go in the list of 'really useful' posts on this forum which should be in a sticky place for reference by newcomers. Many thanks DBM.
  25. Replies
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    Is it? That was not what attracted me to Evohome...

    Is it? That was not what attracted me to Evohome at all. I liked the idea of a multi-zone control system that gave me flexible scheduling and remote access via my phone and (eventually) via my PC. ...
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