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iancalderbank
@iancalderbank
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Joined: Oct 17, 2022
Last seen: Jan 14, 2025
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Topics: 0 / Replies: 643
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RE: Low COP on Samsung 16kw Gen6

@william1066 yep agree. tbh what I was going through was exactly what derek-m just suggested. drain down and rebuild without buffer is what I'd do (Bu...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Some big changes are coming to heat pump installation training

@heacol thats great, better to spend time helping make sure system is done well in first place, than go in and fix a bad one. And you will be supplyi...

3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Low COP on Samsung 16kw Gen6

ok so lots to consider here. first thought: is this definitely a radiator system? if so you've got some quite low temps in the rads (implied MeanWT of...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Some big changes are coming to heat pump installation training

@heacol I wholeheartedly approve of what you are doing. Looking forward to being able to visit. Will it be possible for the type of person found in...

3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Some big changes are coming to heat pump installation training

I'm just outside milton keynes so Bicester's easy peasy. Plus, I'm just working through designing my own heat pump install according to Brendon's meth...

3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Mitsubishi Ecodan - issues with flow/return difference and fluctuation

I have a seek thermal android. £250 so not exactly cheap. But it has been invaluable in tracing the performance of my heating system. IR spot guns a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low COP on Samsung 16kw Gen6

ok so nothing obvious in terms of additional temperature pockets. might be one at the top, can't tell.but there's lots of pipework that you can insula...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low COP on Samsung 16kw Gen6

@catapult ok, so glad in a way it wasn't insulated - diy fix for that is easy! see what gain you get from that first. what model cylinder / post a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low COP on Samsung 16kw Gen6

seems a bit high. mines 0.275 degrees an hour on a new 300L unvented, running at much hotter temps (I'm charging it on off-peak immersion, thats anoth...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low COP on Samsung 16kw Gen6

brendon uys has written an extensive article about this based on a lot of very scientific testing. To solve this, its worth you drawing a pipework ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: iBoost alternatives?

I have an unused Iboost in the garage. It was working when it came out in 2019 to be replaced by an Eddi, when I got batteries . Iboosts (at least, th...

3 years ago
Forum
Solar Photovoltaic (PV)
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RE: Heat pump delta T too low - 2c

@william1066 oxygen ingress that isn't something I had even considered as a specific thing tbh! although I do generally prefer all metal mag-clean on ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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