Last seen: Aug 5, 2025
Ok. The key point I think you have made is that the error only occurs only during the disinfection cycle. That's getting quite deep into NIBE specif...
@matwin If you plan to commission one it might be worth checking that at least one installer will take notice of a blower test. Some can be a ...
1. I certainly did, I found two installers who would accept evidence of actual heat loss and factor it into their calculations in a way which meant th...
Many people with heat pumps heat water only to say 48 with a weekly legionella cycle (often using the immersion) taking it to 60/65. This should all ...
Good spot on the data. The physical size of the 7,kW model is different however so I don't think it's likely the 5 is entirely a SW mod of the 7, how...
Fair enough, I was just checking I hadn't missed something! Thanks for replying.
This is so important. For my money householders need to know how to balance radiators using the lsv. Why? Because, given that its unlikely that radi...
The other important point about wc is that the controller gets the signal to change what it is doing at the same time as the principal driving factor ...
Surely you can 'correct' a mildly oversized rad by turning down the lsv during the balancing process? Certainly that's what I did with my installatio...
As @ashp-bobba says there are lots of variables. My house takes 3-6hrs to change temperature by a degree. I have one room with a fancoil that respon...
Correct. However unofficial data suggests this ignores defrosts and you might have to derate by 10-20pc when it's defrosting a lot, which in fairness...
A couple of hopefully helpful comments Vaillant 10kW is the same as the 12kW, just software limited. A neighbour of mine was borderline 7/10kW an...
Latest Posts
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RE: Planning Permission May 2025
In England that is no longer the case although you have...
By JamesPa , 5 hours ago
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RE: ASHP heat output monitoring
As you know, you need the flow rate to do that, and I t...
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 15 hours ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
The current FAQ says it's not compatible with existing ...
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 1 day ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@terry1812 Oh Good! Pleased to help if I can! Regards, ...
By Toodles , 2 days ago
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It's unclear to me how the Smart Control project work b...
By Transparent , 2 days ago
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RE: Have Consumers Been Lied to About the Efficiency of Heat Pumps Made in China?
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
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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...
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I think it is very much me that is sitting outside the ...
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Aggregators have been recognised for many years, and it...
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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...
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RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
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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...
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