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Last seen: Mar 20, 2026
Thanks for recent data. Here are some more questions. I apologize, I am not using DHW and I am not familiar with schedules. What is your exact sc...
@benson Thanks for new graph. Initial reaction is that fluctuation of the various quantities is quite inexplicable and needs some more parameters to b...
@benson Indeed they do fluctuate more than I would expect. Perhaps a plot with set LWT, OAT and IAT would be more enlightening.
@benson I see, I misunderstood obviously. So you set LWT according to OAT, but not in WCC mode. You don't intend to use IAT using similar logic, I p...
I meant the following rule you mentioned using: "second automation will adjust this outlet flow temp value if needed. For example, if the IAT is out...
What you are actually implementing is a closed loop control idea, rather than the "open loop" WCC curve approach. It has been my postulate all along t...
Well, because there is a considerable delay in sensor information. This could have a serious effect on the performance of the closed loop system, such...
Hi all. I have also observed the strange behavior regarding LWT and T1s. By monitoring the relevant values I noticed, that if I calculate the T1s base...
@cathoderay OK, thanks all. Much as I thought. I am using the same logic. As for the Midea expert, I very much doubt there exists one.
Hi all, I need your help again, because of the lack of clarity of Midea'a manuals. Here is my question: If one employs an external room thermostat (...
@jamespa My god you've gone into great depth to make things work for you. I wonder why this limit is not adjustable. Anyway, thanks again, I am not ...
@jamespa Thanks for replying. Fan coil units in Greece are indeed used for cooling in the summer, with the appropriate hardware. The main reason I a...
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Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
@transparent I’ve heard that that is why American cars ...
By Toodles , 4 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 18 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
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Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
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@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
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@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
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