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Last seen: Sep 19, 2024
Is the actual temperature 8C in your plant room? If your system is operating in WC mode, then the normal display should show a large '0' zero, or if a...
Welcome to the forum. The App appears to be showing a room temperature of 8C, where is your controller located? Is your system operating in fixed Le...
It is my understanding that many of the heat pumps vary the compressor speed to control the LWT, and vary the water pump speed to produce the desired ...
If my understanding is correct, it is the buying ahead that is keeping both gas and electricity prices high, for consumers at the moment. I do believe...
The heat energy output of an ASHP is very much dictated by the size of the compressor, and the minimum pressure and temperature of the refrigerant gas...
I would suggest that the only TRV's that should be used are ones in bedrooms or unused rooms, all others should be fully open all the time. For best...
Is your heat pump stopping and starting and what is the indoor temperature?
The PV side should also be slightly more efficient if kept cooler.
It is difficult to state definitively what is happening within your system, since I don't know how it is constructed. Is your heat pump actually still...
By increasing the LWT, it means that the heat emitters (UFH loops) are absorbing more heat energy, which in turn increases the DeltaT and puts more lo...
What happens to the LWT and RWT measurements during the boost period?
Yes, if the compressor and water pump have Variable Frequency Drives (VFD) controlling their motor speeds. It actually varies the frequency of the ele...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Depending on your flow temperature you should get a SCO...
By JamesPa , 16 minutes ago
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RE: PV and battery long payback - sense check query
They can also obtain smart meter data with a w...
By EtchedPixels , 1 hour ago
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I don't notice mine defrosting, and most of the time Im...
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RE: Indevolt Batteries UK Support & Info Thread
Not interested in a plug in device, or 800w. Just need ...
By dansus , 6 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 23 hours ago
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I meant to say I cannot register my kit at Energyplus… ...
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
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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 , 4 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 , 4 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 , 4 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...
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