Last seen: Sep 13, 2025
Sorry to resurrect this thread, but it is sort of relevant so on balance putting this here. But how do you actually adjust the pressure? I have exac...
I missed your 22nd June post on this. I am sure it can be done in HA as well, but I use a standalone script that runs once an hour, checks the IAT and...
@pash44pump - the installers heat loss calculations appear to indicate a total heat loss of just under 9kW, which seems rather on the low side for the...
They look decidedly skimpy to me. A proper heat loss estimation (which is all they are - see many posts passim) uses a survey of all surface areas and...
This is one of my biggest bugbears these days, how AI does make fools of us all (if we let it, which too many people do). Google's AI is just a text ...
@pash44pump - @jamespa has anticipated my next steps but before looking into those details (including the effect of 'turning off' upstairs) (a) we nee...
That is a fairly good indication it is running! As a further check, when the compressor appears to be operating, go to Menu > Operation Parameter a...
I have a Midea heat pump (nominal 14kW but the 12, 14 and 16kW ones are all the same inside, output is controlled by simple dip switches) and so may (...
My home insurance renewal is due soon meaning I am doing the annual getting quotes routine. Like @editor, I do so wish we didn't have to go through th...
@carlo - not much better, is it. It looks more like a user guide than a technical manual, see if you can find the latter. It just might have more deta...
As you know, you need the flow rate to do that, and I think the only way you can get that is to fit a third party meter, which is both invasive and no...
Thanks. It may be just Vaillant, not Grant, I just had a vague recollection that not all manufacturers present their data in the same way, but couldn'...
Latest Posts
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@jamespa thanks, I appreciate the offer. For n...
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@damon thanks. I will do as you suggest. Hopefully I wi...
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Much of that is true in principle, but its not likely t...
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
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A week later, I'm finally picking up this comment... ...
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I am pleased to say at 4pm today we have added another ...
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To unpack this a little.... 1) how many of us in this...
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@realevil the fans and fan speed / coil size (height, w...
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
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