
Last seen: Sep 16, 2025
The issue I'm grappling with here is that you want to either heat or cool the air passing through your MVHR. I have an MVHR unit in the loft... a se...
Apologies for not appreciating the difference between a GSHP coil and one being used as a heat-exchanger. Nonetheless, its efficiency is constrained...
Thanks for clarifying @alexm but I don't think that would work. Firstly I would expect any GSHP installer to provide a desk-study/survey based on th...
The installer should not have used a 5kW grid-tied inverter under these circumstances.It's not their decision - because they are required to operate w...
Yes @tommcl - there are several topics in which such strategies are discussed. Battery storage is one of my own areas of expertise.That doesn't mean...
NH fuses. Ignore price for the moment @korwraith and let's concentrate on what the fuse is intended to do. NH fuses are a German design/specificatio...
Hi @tommcl and welcome to the forum. There are others here who can address the Ecodan questions better than I. But I'm intrigued as to the 6kW of ...
That's a very helpful photo @chickenbig - thank you. Here's the dimensions of a battery in the relevant orientation with no spacers between cells in...
I'm somewhat struggling to picture these shelves with your dimensions @chickenbig Graphics would make it a lot easier to follow - either the sort of...
Sorry - I disagree.It may operate as you describe, but it doesn't comply with the regulations. User-configuration processes to restrict the output t...
Mainly for the benefit of others who will arrive here in future, may I present the following chart showing Extra-Low-Voltage (ELV: 12-60v DC) cable si...
Ah... thanks for clarifying, @chickenbig - So you're using all 32 cells within a single battery which has one BMS unit to protect it. The standard c...
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RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
By GrahamF , 2 hours ago
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@cliffhanger - seriously though, I have no idea. What I...
By cathodeRay , 4 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 , 4 hours ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 6 hours 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 , 10 hours 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 , 12 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
By cathodeRay , 12 hours ago
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@jamespa Ours is a Daikin EDLA03 8 kW and the Delta T =...
By Toodles , 13 hours 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 , 1 day 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 , 1 day ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 1 day 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 , 1 day ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 2 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 2 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 , 2 days ago
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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 , 2 days 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 , 4 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 , 4 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 5 days ago