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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 25, 2025
Profile Activity
Topics: 17 / Replies: 2183
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RE: 12kW Samsung gen 6 short cycling

An intriguing idea. But might it add additional complexity without any real benefit? Put another way, is there any harm associated with having a volum...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

It might account for about a 10% difference (specific heat 4.2 vs 3.8), but it all depends on how Samsung (and Midea and all the others) do their calc...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

But Samsung appear to claim (boast) COPs of 4 point something (with LWT at 35 degrees) and we must assume that is a downhill with a following wind COP...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@william1066 - are those COPs credible? I ask, because if they are not, then the underlying data is suspect. The 700W input isn't that remarkable, giv...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

I wonder what peoples' views are on using a volumiser to reduce cycling. The idea as I understand it is that by increasing the circulating volume (whi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

More Home Assistant sh!te - why you really need Home Assistant like you need a hole in the head. After being nagged, I manually updated the HA core/OS...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Indeed. HACS is a Right Royal PITA, bloated and painful to use. Most HA add-ons (integration is another bit of HA comedy jargon) can be installed manu...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@cashback - well spotted, thanks! It is also an example of why it is a good idea to post code so others can inspect it! It looks as though the colle...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

All he has done is use the modbus register address tables, and then wrapped it in that complex code. For example, he uses this to get the ambient temp...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@gorm - thanks very much for posting the link. Following it, I see it needs 462 lines of not easy to read or maintain code to access a Midea clone ove...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Yes, that all makes sense, it was how I had HA calculate kWh and COPs using statistics and templates. For example, to calculate the 24 hour trailing C...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Thanks, but link goes to 404 - any possibility you could re-post a correct link? @cashback - this interestingly shows what I have suspected, longe...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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