Last seen: Sep 14, 2025
That is indeed possible, but if there is an inrush it must be very short (and so does it really matter?). I sample every minute, @ivanhoew samples eve...
I think they are! The DT (delta t) isn't 25 degrees, its the difference between the LWT and the RWT which is a lot less and changes all the time, and ...
Here is the last 24 hours for my heat pump with amps added to the plot. Note that I do not have solar or batteries or inverters, just mains electricit...
@ivanhoew - yes, I agree, still a work in progress on the graphs! Try to make them clearer eg clearer x axis labels, delta what? etc. It's also not cl...
All that is good news, and I now understand what you are trying to do. I did try something similar, fixed flow temp instead of WC, not long after I ...
I think this probably means it is on a server somewhere in China. It looks like very detailed data with very frequent data sampling, possibly every mi...
I agree, and in at least some of the UK we are likely to see such conditions over the next few days. @ivanhoew - I am becoming unsure about what you...
@ivanhoew - most if not all of what you need to understand your heat pump's behaviour is on the second chart. Here's an annotated version:
Latest Posts
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RE: Heat Pump Damage on install - useable or dealbreaker?
They have already been dishonest by not telling you abo...
By GrahamF , 8 hours ago
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Testing new controls/monitoring for Midea Clone ASHP
Hi all, I thought it might be of interest to others i...
By benson , 8 hours ago
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RE: Electricity price predictions
@diverted-energy sounds like good tariff for you. Octop...
By JulianC , 10 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 12 hours ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 12 hours ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 13 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 15 hours 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 , 16 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 17 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 18 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 2 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 3 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 4 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 4 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 4 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 4 days ago
