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Last seen: Jan 8, 2025
Sali, there is something wrong here. The flow and return temps aren't just close; they are almost identical. Is it possible the sensors are instal...
Mine is 5 years if serviced every year.
@alastair Ah, I hadn't realised you had batteries. It shouldn't be iced up for any length of time and it won't be doing much for your COP if it i...
Hi Sali and welcome. Sorry to hear of your woes. A few quick questions to get started: Can you explain how you are running the system - fixed fl...
I can't speak for anything other than my ASHP but my Mitsubishi Ecodan defrosted every 1-2 hours in the December and January cold snaps. I never saw ...
Hi John, welcome and sorry to hear of your problems. Some more information will help you get the best advice: - Was a heat calculation done as part ...
Having worked in the software industry, the chances are the engineers are OK. What happens is, the software is developed and tested and the defects ar...
@mmiuse thanks for the extra info. It is possible from what you are saying that your ASHP can't cope with your heating/HW requirements in the winte...
I quite like the Stelrad one.
@transparent thanks, I thought there would be something. It would be easiest for each electricity supplier to be told to give the £200 to all of th...
There is a setting on the Ecodan FTC to limit flow temp. I know because I lowered mine a few days ago. It's in the maintenance menu, Operation Settin...
Don't know really. Ask these people? Or is there a central meter database? Maybe @transparent might know?
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Latest Posts
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RE: Electricity price predictions
@old_scientist There is a degree of nuance to the ca...
By Papahuhu , 2 hours ago
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Further, there was a long discussion of the benefits of...
By Old_Scientist , 2 hours ago
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I appreciate that EnergyPlus is Valliant's first attemp...
By L8Again , 3 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Unfortunately the answer is Yes you will need a new FTC...
By F1p , 17 hours ago
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RE: PV and battery long payback - sense check query
So if it helps I was recently quoted about 8 grand for ...
By EtchedPixels , 18 hours ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
I had a quick look and they are a little vague. They ...
By BlizzardGreen , 2 days ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 2 days ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 3 days ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 3 days ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 3 days ago



