Last seen: Sep 11, 2025
I know GH has been around for a long time, and generally knows his stuff, though sometimes he does make typo type errors. That said, I am personally g...
That sounds in the right range, for a very rough COP at that ambient, perhaps a bit high, see 1200 to 1500 in the second chart I posted above. When th...
Unfortunately, neither provides any way to control their speed externally, beyond the push button control on the secondary pump. The primary one has i...
@iancalderbank - an update on the PHE inlet and outlet temps after setting the secondary pump to CC3. Took ten readings from each pipe then averaged t...
@dons - no, you are not going mad, it is just Midea playing language games! On the wired controller screen, you have POWER CONSUM, which is the total ...
In an ideal world, it wouldn't switch itself off. It runs continuously, adjusting the LWT, based on the WCC, to deliver the right amount of heat to ke...
Ideally, you want the room stat set high enough to ensure the heat pump is always on, and all the other emitter controls fully open, to ensure the sys...
Sorry, but I want to be clear about this in my own mind. I think it may be all about what happens during the defrost, and how you account for it (in a...
Yes, I am sure as can be. It is down to simple numbers. The calculated heat loss at -2 is 12.4 kW, a figure that I think is as good an estimate as can...
Sorry, forgot to include this bit. Yes, will try CC3. I'm also going to put the left had WCC baseline back up to 56, at least for the next 12 hours or...
Latest Posts
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RE: Who’s Caved and Switched the Heating On Already?
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Please read to the very end of this post, I shift my po...
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RE: COP is not the only measure of efficiency
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RE: Midea ASHP – how to set weather compensation
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@jamespa Your reasonably close! Especially with warmer ...
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
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RE: Anyone still weathering it out with Agile?
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RE: 300 Liter Tank - Do I have to heat it all?
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@scalextrix Name plate capacity
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago
