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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Jul 18, 2025
Profile Activity
Topics: 17 / Replies: 2064
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RE: ASHP - a few (probably dumb) questions about the lived experience

@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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP - a few (probably dumb) questions about the lived experience

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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@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...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Forum updates, announcements & issues

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...

10 months ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Time to Speak Up on OFGEM’s Standing Charges

I agree. One thing I don't get is why electricity users get clobbered with all the extra charges, leaving gas as the much cheaper option, another disi...

10 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
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