Last seen: Aug 2, 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: Share Your Experiences with Heat Pump Manufacturer Support
@terry1812 Yes, I use Homely, as to whether Daikin is u...
By Toodles , 30 minutes ago
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RE: ASHP heat output monitoring
@carlo - welcome to the forum. I don't know about LG...
By cathodeRay , 5 hours ago
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RE: Why do we need pressurised systems?
@old_scientist If that were the case (and it might well...
By Toodles , 9 hours ago
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OK... I'm here. But the amount of my time needed to add...
By Transparent , 11 hours ago
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RE: 300 Liter Tank - Do I have to heat it all?
There’s no second hand market for DHW tanks (I was told...
By Judith , 16 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
We had an excellent four months (11/3 to 15/7) generati...
By JulianC , 1 day ago
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
By Judith , 1 day ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
All noted and accepted and as I say I am sorry that you...
By JamesPa , 1 day ago
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I think it is very much me that is sitting outside the ...
By Grantmethestrength , 1 day ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@davidalgarve It should just be recovered by both servi...
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
By Transparent , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
By JamesPa , 2 days ago
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RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
By TRBob , 2 days ago
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How to waste energy (and time) playing with AI.
A friend of mine who subscribes to an AI service was ex...
By Toodles , 3 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
By Mars , 4 days ago
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RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
By Mars , 4 days ago
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You should contact the council and report the unsatisfa...
By JamesPa , 4 days ago
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RE: Benefits of an extra horizontal loop for GSHP
I would deffo install an additional slinky run, especia...
By Transparent , 5 days ago
