Last seen: Sep 19, 2025
Going back one step, what's the llh there for? Buffers of a sufficient size correctly plumbed can be made to work (as in not materially compromise p...
Well said! I (and I suspect many others) have met a fair few installers who don't seem to accept this!
Given that my advice is be patient. If you haven't already, get your system set up so that it should work well as the designers intended it to. That ...
Interesting, is this to get the house temp right or just the flow temp. Intuitively would have thought that the latter should be quite straightforwar...
Its not at all likely that cranking up the flow temperature to reduce the output of the heat pump is an efficient way to operate (unless of course you...
Interesting. It is of course in principle equally valid (although presumably achieved in practice by turning the 'wick' up or down to change LW...
Posted by: @derek-m ↑ The heat pump merely tries to supply sufficient energy to meet the demand. Yes. My view is simple, to think ...
As others have said 2 18kW units sounds like a massive overkill, even allowing for the overstated outputs. Someone suggested 2 16kW Mideas (which hav...
I would guess electronics 25-50W, pump 30-50W each. Fan is probably most of the rest. The electronics won't switch off during setback and there may ...
Presumably fan speed (and thus power drain) varies with compressor speed. I believe you said that your pump speed is constant and thus power consumpt...
I think a lot of people expect gas boilers to heat instantly, witness the prevelance of whacking the thermostat to max because they think this will so...
I think most, if not all, of this is spot on. Both the saving and the comfort are functions of the control strategy during recovery, and most heat pu...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson T1S is actually the LWT defined by the WC. Howe...
By Tasos , 38 seconds ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa if I remember the insulation has a notch cut i...
By AdamK , 8 hours ago
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RE: Big Changes Coming to Our Heat Pump System
Me too, but still some people look at me as if I'm mad....
By JamesPa , 8 hours ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 9 hours ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 16 hours ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 20 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 23 hours ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 3 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 3 days ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 3 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 3 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 4 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 4 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 4 days ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 4 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 5 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 5 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 5 days ago
