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Last seen: Jan 8, 2025
@rod Very interesting. My (14kW) ASHP can definitely run the compressor in bursts of less than 20 minutes when in heating mode. It doesn't do it v...
@cathoderay a quick Google reveals that plotly is the company and dash is the product. I don't know exactly how your (or any) ASHP decides to s...
Couldn't you try just changing the curve so that the flow stays higher a bit longer? Can you have steps in your WC curve? Mine is using Mitsi's Auto ...
@Cathoderay, Looking good. Is this running on WC or chasing/maintaining a room temperature? It's interesting that after about 11am, it both cyc...
There might a minimum LWT setting that applies whatever the WC curve says. Maybe that is 30?
If you set it to 3 degrees.... When outside air temperature gets to 3 degrees, it starts the circulation pumps and monitors the flow (I assume it us...
@Linz, can you explain a bit more what the problem is and what you want to do? You can't change anything to do with defrosting as far as I know. Fr...
@daniel, do any of the radiators ever actually get hot? I mean properly hot, not just lukewarm. Not scalding hot; more like a hot shower or bath. ...
Aaron, no reason why not, although you might find it hard to find someone at the moment. I suggest you try the UK Heat Pumps Facebook group. Howev...
@ninja.tiger Building regulations seem to suggest you can't replace an existing heating system with one whose C02 emissions are higher. See page 35 ...
Mitsubishi does it by using the immersion for DHW. It doesn't run ASHP heating and DHW at the same time.
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RE: DIY powerflushing tutorial
Ah! So it's the electrochemical series which drives the...
By Transparent , 11 minutes ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
We've had an influx of new members joining the forums o...
By Mars , 35 minutes ago
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@editor thank you that's a very useful reply. We've man...
By Brazilguy67 , 1 hour ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 2 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 6 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 19 hours ago
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RE: Why don't people choose heat pumps?
@susannasaunders The link I have found may provide a li...
By Toodles , 22 hours ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
@batpred I mentioned earlier that targeting the payment...
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
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Six books in three years and I think I’ve now covered j...
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RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
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Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
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