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Last seen: Mar 5, 2025
Yes @Tim441 I have the same controller version. It does allow boosting of hot water but (I checked the installer menu again and) there is no facilit...
Good point. Thanks. Ideally I should get the HP to not try to heat water at night and instead heat the water with the immersion during the low-tarif...
Many thanks, this is very helpful. I have been using "6" i.e. turning off DHW when it's cold and using the immersion instead. This is expensive but...
Plumbing: pls see/p> Buffer tank: 51L Cylinder: yes, that one Floor area: 160 m2 ASHP model: HN1616M NK5 + HU121MA U33
Yes. I meant 15C. As I mentioned, an LG guy said this is the lowest the return temp should go. The problem is after drawing a bath. water is priorit...
Our LG ASHP (split) is supposed to heat both rooms and water. It does this fine when the outside temp is above 15deg. However, if the outside temp i...
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RE: Electricity price predictions
Interesting read from NESO on their Demand Flexibility ...
By Old_Scientist , 49 minutes 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 , 3 hours 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 , 13 hours 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 , 15 hours 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 , 20 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 22 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 2 days ago
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 4 days ago
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RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 4 days ago



