Last seen: Sep 18, 2025
And are there any unseen leaks, if it is an old system, and used to be open system with a feed tank in the loft, ie a pressure test. I accidentally ha...
@derek-m - you are on the right trail, it is COP I am after, but it also means I will get some other data I would like, because they are needed for CO...
Even 'simple' things like this are far from simple in practice. Who knows where Midea put the LWT sensor, and how it is calibrated. What I can do is, ...
This I want to avoid, all the more so as the project may (I hope it won't) fail. If i just want to burn several hundred quid, a large bunch of tenners...
Derek, I think you are talking about what I would call reliability and validity. Reliable means repeatable, repeated measurements on the same thing in...
Nice one. I think the time has come to start a new thread on ASHP system monitoring, which I suggested I might do a while back, a beginner's guide t...
First, congratulations, it must be very satisfying having a working DIY installation. I'm very interested in your success in getting modbus integrat...
I should perhaps add that one of the reasons I want Homely to work is to gain the ability to recover from overnight setbacks. Last night, running a 24...
I'm just as open-minded (I started the thread, and note I put Homely in the title as a possible solution) but I am also minded to ask questions becaus...
Yes, I get that (and I think maybe we should be calling any corrections based on the difference room compensation, so as to give it similar sounding w...
To my mind, the problem is that there isn't a constant weather compensation curve for a given building. You need a (slightly) different curve when the...
Latest Posts
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RE: Help me keep the faith with my air source heat pump installation
@jamespa if I remember the insulation has a notch cut i...
By AdamK , 1 hour ago
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RE: Big Changes Coming to Our Heat Pump System
Me too, but still some people look at me as if I'm mad....
By JamesPa , 2 hours ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 3 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
This is the sort of thing I mean. I've added the T1S va...
By benson , 3 hours ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 9 hours ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 14 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 17 hours ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 2 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 2 days ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 3 days ago
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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 , 3 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 3 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 3 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 3 days ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 3 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 4 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 4 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 4 days ago
