
Last seen: Sep 17, 2025
I'm not sure they do. Take the first chart in your second to last post, this one: I take it this is what we conventionally call LWT, the tempe...
@jamespa - I owe much of my meagre but at the same time much improved understanding of the thermodynamic principles involved to your many generous con...
We have been here before, on the question of continuous vs intermittent heat pump running, and the effects on costs and comfort. My conclusions to dat...
@iantelescope - I think we need to clear up what we mean by cycling, and then short cycling. To me something that cycles is something that regularly m...
I did say earlier I wondered weather Samsung's obfuscated implementation of weather compensation meant it was easy to mix up OAT and Set LWT, and that...
I appreciate the Samsung jargon doesn't help, on one level it is upside down and/or inside out. I find it easier to think in the xx @ yy format, LWT a...
As an alternative to monitoring toe nail selenium levels, here is an example of the monitoring I have for my heat pump, done over modbus (which many h...
I found the above in one of Mr T's previous posts, from August this year, not the ideal time of year to set up weather compensation. Samsung don't mak...
This should have been accepted on page 1, not 'testing the idea' on page 76. The room stat should almost invariably not be used to control a heat pump...
Yes and no. I have a system that works fine, except when it is very cold outside, which I continue to think happens because the heat pump is marginall...
@iantelescope - I fear to weigh in, but, hey ho... Let's start with some basics. 1. Inside and outside air temps (IAT and OAT) are fundamental to ru...
I am not sure that is the case. When I add a link, I only need two tabs open, the tab where I will add the link, and the tab that has the page the lin...
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RE: Powerwall 3 or Myenergi or something else?
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By Temperature_Gradient , 6 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Yes thats the whole point of the flexis as regards tran...
By JamesPa , 6 hours ago
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So far as I can tell designing for DT5, which is 'the n...
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Mitsu PAR-WT60R Wireless Controller - options
I hope I have satisfactorily installed the above wirele...
By DavidAlgarve , 8 hours ago
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WC curve best discovered by experiment anyway as any lo...
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RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
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@mixergy Thanks for the update, I would appreciate some...
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
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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 , 2 days 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...
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
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RE: Ya can’t win! It is S*d’s Law!
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RE: Electricity price predictions
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 3 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 3 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
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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...
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