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Last seen: Sep 19, 2024
You could probably keep TRV's in bedrooms where a lower temperature may be preferred. A thermostat may be useful to help reduce cycling frequency du...
Probably a good analogy for a home heating system is a juggler balancing a number of spinning plates on poles. There are various factors continually b...
I stand corrected. I should have looked at the manual before making my assumption. Remembering of course that at these low temperatures the heat pum...
I think that there may be some confusion as to what initiates the operation of the freeze stat function. It is the water temperature, not the ambient ...
Hi James, As you will have noticed I carried out quite a number of modifications to create the present version, one of which was to simulate the hea...
If you are not getting sufficient warm water to your radiators, then the flow is being reduced by a valve, your pump is not working correctly, your fi...
Did you resolve the problem? If not, then please provide one cell location and I should be able to trace back to the cause. I may be able to save th...
Hi James, Which cells contain '=value'?
Is your weather compensation set to 38C LWT at OAT of +5C or -5C? I suspect that because your home is a new build, it may not have the internal ther...
@riponowl I would suggest that you just replace the present flowmeter with the new one, since it should be a direct replacement. Obviously you wou...
The heat loss for the bathroom should have been calculated for an IAT of 22C. Without seeing an actual heat loss calculation sheet detailing wall, roo...
Who produced this heat loss calculation?
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RE: Electricity price predictions
Nationally-based Demand Flexibility makes little sense....
By Transparent , 15 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 , 7 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 , 17 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 , 20 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 , 1 day 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 , 1 day 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



