Last seen: Sep 14, 2025
Putting aside the toothless qualities of MCS, it is complicated by other factors. If it had been a privately funded installation, my contract would be...
@jamespa I think I am right in saying is of this view, and I do get this point: the heat pump responds to the feedback contained in the RWT. Indeed i ...
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...
Latest Posts
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 10 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
@old_scientist, our system was royally bodged six years...
By Mars , 13 minutes ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@scalextrix You're assuming that the source of the comm...
By Transparent , 18 minutes ago
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@jamespa thanks, I appreciate the offer. For n...
By DREI , 14 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 19 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 20 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 2 days ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 2 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 3 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 3 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 4 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 5 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 5 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 5 days ago
