Last seen: Sep 6, 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...
Latest Posts
-
RE: Failing heat pump system - seeking thoughts on a rebuild
@jamespa I think that's a good interim solution James. ...
By bontwoody , 6 hours ago
-
RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 10 hours ago
-
RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
I have signed up as well. @belsnugg could you outline ...
By JamesPa , 18 hours ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
By Old_Scientist , 18 hours ago
-
@profzarkov Good to know in case it ever happens to me...
By bontwoody , 1 day ago
-
RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 1 day ago
-
@old_scientist sorry, I should have made it clear that ...
By GrahamF , 2 days ago
-
RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@thundermink can you provide photos to illustrate your ...
By Morgan , 2 days ago
-
RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 2 days ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
After our rather lengthy meander off piste, I thought I...
By GrahamF , 2 days ago
-
RE: Midea ASHP – how to set weather compensation
@pash44pump - to collect the IAT/OAT data, can I sugges...
By cathodeRay , 2 days ago
-
RE: Ecodan software update. Real or scam?
@vinz86 Contact Mitsubishi and an engineer attends and ...
By ASHP-BOBBA , 2 days ago
-
@drei When I was in local government we were of cours...
By JamesPa , 3 days ago
-
RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Sufficient system volume is also essential for ensuring...
By Old_Scientist , 3 days ago
-
RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As someone who has suffered from a Heat Pump installati...
By DREI , 3 days ago
-
RE: What crazy nonsense are inverter limits and why are they imposed?
I’ve also got a dual fuel Rangemaster. We originally ha...
By Majordennisbloodnok , 3 days ago
-
RE: Octopus tariffs - a quick comparison
@tim441 I’d agree wholeheartedly with that, with 2 x Po...
By Toodles , 3 days ago
