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Last seen: Sep 19, 2024
To be able to help resolve your problem could you please provide as much information about your system. ASHP make and model. How the heat pump con...
@cornwallsean For maximum efficiency and lowest energy consumption the Leaving Water Temperature (LWT) should be kept as low as possible. To achieve...
@kev-m You are probably correct. Another explanation could be that because the controller has been in DHW mode for a period of time, it may not ha...
I installed our own A2A ASHP and I would deem the outside unit to be quieter the indoor fan coil unit.
My understanding is that an MCS accredited installer is required for A2W to be able to claim the BUS grant. I believe that you can install a mono syst...
When the LWT increased after the DHW cycle, was this due to the fact that the LWT was higher to produce the hot water, so when the changeover occurred...
@jamespa Just out of interest, what are the rules relating to Air Conditioning units?
Check your water pump speed. Your installer would not appear to be the most knowledgeable about heat pumps, or he would have advised you that heat p...
@sunandair I would say that the 11:00 and 15:00 charts are at a flow rate of 14 lpm, since a higher flow rate would normally reduce the DT. Of cours...
@newhouse87 Your efforts to conserve energy are to be commended. At the moment you are using a method I suggested quite some time ago, and use mys...
I think that most people would agree that cycling and setback are indeed different. When cycling, if the OAT reduces, the degree of cycling reduces or...
How high does the IAT go during the heating period? It would appear that you have a well insulated home, that probably has a large thermal mass, so ...
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Latest Posts
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RE: Has anyone seen this problem before? Huge anticycling times
Mine was replaced as they couldn’t fix and couldn’t ide...
By cg360 , 4 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 , 6 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 , 9 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 , 14 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 , 15 hours ago
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RE: Electricity price predictions
So a final update on Charge Pack, now I have nearly rea...
By bontwoody , 2 days 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 , 2 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 , 3 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 , 3 days ago
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