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  1. Replies
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    It is the frost protection working as it...

    It is the frost protection working as it overrides the TRV setting which is off. The radiator remained off in the other room but it would as it’s temperature would never go down to 5C. As to the back...
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    I am inclined to agree. One would expect a...

    I am inclined to agree. One would expect a manufacturer’s purpose designed system a better route to take than an add on converter to make it compatible with Opentherm. But then Evohome is good and...
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    Yes it would, another way. I would though see...

    Yes it would, another way. I would though see lots of messages in the log file. Although a change from those saying contact has been lost with my hot water sensor!
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    Thanks, I was certain I had seen something about...

    Thanks, I was certain I had seen something about this somewhere.
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    As an addendum to the post the Worcester Bosch...

    As an addendum to the post the Worcester Bosch installer who has quoted for the work, including adding my Evohome system to a new boiler, tells me Opentherm does work on a Worcester Bosch boiler! Who...
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    Morning has broken! I swapped the HR92 with...

    Morning has broken!

    I swapped the HR92 with one from another room. I set both to Off and ensured that over night the temperature setting in the relevant schedules was 5C. The replacement one in...
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    Addendum. I have swapped over a couple of HR92s...

    Addendum. I have swapped over a couple of HR92s putting the one thought to be faulty in a spare room that is not heated although it will not go below about 13C tonight anyway. I altered the schedules...
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    Done that. It has shown “off” all day. The...

    Done that. It has shown “off” all day. The Control Panel showed an override until 22:30 (a set point) with a set temperature of 5.5C now past that, no override shown, the set points on the Panel...
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    I think what is causing it is the inbuilt frost...

    I think what is causing it is the inbuilt frost protection. The HR92 reads off at present, I again set it to off this morning, but I can feel some heat in the radiator so it has been on despite the...
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    My answer to that from my experience is b...cks!...

    My answer to that from my experience is b...cks! Must check the contacts though. The batteries are a month old. I wonder if it’s a feature that has always been defective but nobody uses it so it has...
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    I'll check the contacts for the battery but there...

    I'll check the contacts for the battery but there is no doubt the Off setting was overridden by the next set point. It is not going to be a big issue though as shortly our boiler is to be replaced as...
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    Yes, but as the temperature drops below that the...

    Yes, but as the temperature drops below that the boiler fires up.
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    No, it is only controlled by its schedule....

    No, it is only controlled by its schedule. Manually setting the control to off does not it seems override the schedule. I set it to off last night but heard the boiler fire up during the night and it...
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    Turning Off An HR92

    Is there a way to turn an individual HR92 off other than removing it and turning in the black clogged wheel? There is a setting if you turn the top of the HR92 all the way back beyond 5C, headed...
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    I can answer my own question. I asked it of...

    I can answer my own question. I asked it of Worcester Bosch and they replied to say Opentherm is not compatible with their boiler. They have their own system.

    The app for the Worcester Bosch...
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    I am assuming this is the right section to ask...

    I am assuming this is the right section to ask this! If I install a Worcester Bosch 8000 Life Combi am I right assuming I need an adaptor to use Opentherm?
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    I am in a similar position. My boiler more and...

    I am in a similar position. My boiler more and more produces greater noise like a dying pair of lungs. I am looking at Intergas but an Intergas system boiler. This gets rid of tanks in my loft and...
  18. I am considering Intergas, but an Intergas system...

    I am considering Intergas, but an Intergas system boiler with a vented or unvented tank driven by mains water pressure. I have in the last couple of days found an Intergas installer local to me. He...
  19. You could could consider a thermal store vented...

    You could could consider a thermal store vented or unvented for supplying hot water at mains pressure. I assume if one does that you don’t need DHW assigned in Evohome and leave it entirely as a CH...
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    Thanks. Will have a look.

    Thanks. Will have a look.
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    Control Panel Battery

    Some months ago I took my Control Panel off it’s mount and noticed that within a couple of minutes it hung on me with the display saying the batteries in it were low and I needed to put it back on...
  22. Thread: HR92 Updates

    by G4RHL
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    635

    As said 1.01.

    As said 1.01.
  23. Thread: HR92 Updates

    by G4RHL
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    Nothing obvious but if I lift the display panel...

    Nothing obvious but if I lift the display panel it reads “HR92UK 1.01” Then “1436 5 ST3”

    I imagine 1.01 is it’s firmware. If anybody in the forum has recently bought an HR92 perhaps he or she...
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    I have no issues with the app.

    I have no issues with the app.
  25. Thread: HR92 Updates

    by G4RHL
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    HR92 Updates

    My HR92s will be 7 years old this year. Are the current new HR92s the same as those of 7 years ago? I.e. no updates to them. It may be me but I think mine are getting noisier. Perhaps like me they...
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