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Last seen: Sep 19, 2024
If you would care to provide the minute by minute raw data for last nights chart, I will run it through the Modeling Tool as see if it predicts that c...
@cathoderay I would state that last nights cycling was due to the weather being milder, hence the heat demand was below the minimum output of the he...
@cathoderay What was the operating mode of the heat pump?
I will make one final attempt. But your heat pump controller does know the true OAT shortly after it has stopped running, the problem being that it ...
It means that I don't have a problem if you wish to keep going round in circles.
The WC curve needs to match the heat loss of your home. What is the heat loss calculation? When heating the hot water cylinder, the heat pump increa...
@cathoderay No problem.
What are the settings of the Weather Compensation (WC) curve?
Okay, time to go back to basics. What is the size and type of your home? What is the heat loss calculation for your home? What is the output capacit...
That is the reason why I suggested putting the system in fixed LWT mode for a period of time, it is similar to putting an auto control system into man...
@cathoderay What is the 'source' of the Set LWT reading? Is it read from the Midea controller? I wonder if the controller waits until the LWT has ...
So you are the culprit behind NG (or whatever they are called, or going to be called) having to carryout such excessive upgrades. 😋
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Degrees of Separation
Latest Posts
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Wow, an appliance can be smarter than the manufacturer ...
By Batpred , 1 minute ago
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RE: DIY powerflushing tutorial
My tap water is 26.5°f (French hardness degrees) which ...
By bobflux , 6 minutes ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 2 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
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RE: Why don't people choose heat pumps?
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
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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 , 10 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...
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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: 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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