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  1. I've not I've just done different gas readings...

    I've not I've just done different gas readings when the outside temp and weather has been similar. The system has to work harder to increase from 14 to 21 than when it's going from 18 to 21. 14 to 21...
  2. I'm not sure but if I was to raise the house temp...

    I'm not sure but if I was to raise the house temp from 14 to 21c it would take maybe 3 or 4 hours at 60c flow temp. I have low temp radiators so it's limited at 60c. From 18 to 21 maybe an hour pre...
  3. Funny how every house is different. My night...

    Funny how every house is different.

    My night set back is 18c and it uses less gas to get back to 21c comfort temperature in the morning than if the heating was completely off or if I setback to...
  4. Opentherm not shutting off boiler in lyric t6

    My Lyric T6 has having some strange issue. This morning at 08:20 when the heating schedule switches back to 18c from 22c the boiler should switch off as the house was at 22c. Instead the burner...
  5. Hi Rob Its kind of summerised in my last post...

    Hi Rob

    Its kind of summerised in my last post what the issues are. Mine is the Vogue Gen1 boiler. I dont use evohome its just standard TRV's I have so prob less complicated than the evohome setup.
  6. Quick update for Jan 18. Had the nest...

    Quick update for Jan 18.

    Had the nest installed and tbh prefer the optimisation of the Lyric T6, the Nest either starts too early sometimes as much as 3 hours early and has the house upto temp...
  7. Thank you, - very useful and from reading at the...

    Thank you, - very useful and from reading at the top of the page a 14 is mandatory on any controller or boiler.
  8. So a little update: Had a conference call with...

    So a little update:

    Had a conference call with the top R&D technical guy from ideal and their Director of technical. They now dont want to replace the thermostat until they can verify that the...
  9. Yes if you long press the middle button on screen...

    Yes if you long press the middle button on screen you can get to opentherm and you will see values for opentherm. Problem is even when there’s a 2c diff and it’s requesting a higher flow temp...
  10. because they have been wrong all along. Why would...

    because they have been wrong all along. Why would a new controller resolve the issue? you can see from the lyric t6 what flow temp it’s asking for but the boiler doesn’t match it.
  11. Yes how will a diff controller be any diff if...

    Yes how will a diff controller be any diff if this was unique to the t6 the issue would be with all manufacturers and people using the t6.
  12. The issue I have is they had accepted the issue...

    The issue I have is they had accepted the issue was pcb software related but turns out now that this was for a completely different issue and for the boiler not turning the heating off if the...
  13. What an absolute disgrace ideal are. I’m...

    What an absolute disgrace ideal are.

    I’m still having the same issues, ideal are blaming the t6 and are wanting me to remove the the lyric and go for a diff opentherm controller from another...
  14. It can ramp lower down to 41c if I put it into...

    It can ramp lower down to 41c if I put it into service mode minimum rate which fires the burner at the minimum rate. Based on tonight’s heating conditions and outside temp.
  15. Mine is limited to max 55c flow temp thinking...

    Mine is limited to max 55c flow temp thinking this would change the heating curve it still sits at 48c most of time even though how is upto temp and it’s cycling on and off and there’s an 8c diff...
  16. Yeah I thought as much also, surely the boiler...

    Yeah I thought as much also, surely the boiler software is solely responsible for that.

    My thoughts are that they have messed the boiler pcb up and are sorting it but not taking all the blame.
  17. It does modulate as I see a high flow temp when...

    It does modulate as I see a high flow temp when it first comes on, the issue at moment is it’s not modulating low enough and causes it to cycle off or overshoot.
  18. Is this what it does? Hence constant cycling as...

    Is this what it does? Hence constant cycling as boiler than can’t modulate quick enough.
  19. So confusing as this was what originally ideal...

    So confusing as this was what originally ideal said:

    The issues they have noticed are, target temp not being reached again due to cycling, overshoot of target temperature due to too high a flow...
  20. I thought opentherm controlled the pump also.

    I thought opentherm controlled the pump also.
  21. So what do you think ideal are on about then?

    So what do you think ideal are on about then?
  22. So from what they have said the boiler doesn’t...

    So from what they have said the boiler doesn’t understand what is being asked of it so just doing as it wants to achieve comfort.
  23. So what do you think the actual issue is then?...

    So what do you think the actual issue is then? That they have found issues in their pcb and are trying to correct it and blame Honeywell in the process.
  24. Iíve replied with this; So are you saying the...

    Iíve replied with this;

    So are you saying the new pcbís are going to inhibit this ability for the Honeywell controller to control burner output or is it going to be a case of fully allowing the...
  25. Ideal have replied; I have spoken to our R&D...

    Ideal have replied;

    I have spoken to our R&D team again on this query.

    From speaking to them it is apparent that Honeywell opentherm devices control both the flow temperature and the burner...
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