Last seen: Apr 25, 2025
@jamespa Please correct me if I'm wrong here, but isn't the temperature difference between each pair of ports a function of the difference in flow rat...
@jamespa Thanks for telling the cold hard truth 🙂 Even though it sounds bad I'm pretty optimistic right now.Replacing the heat pump with a smaller mo...
@ashp-bobba Not a chance for a swap unfortunately, this is already a 5 years old system. On the bright side though this is in the middle of continenta...
@jamespa Your understanding is entirely correct. It is massively oversized. And the compressor can't seem to be able to modulate to under ~3kW or so, ...
@jamespa What was the date of the plot and what was the approx OAT then? Date was 19th April, OAT howered between 18C and 20C in this period. Whi...
Thank you so much for the input so far. I kind of thought that buffer tank is supposed to heat up/cool down cyclically to stretch the ON times of the ...
Latest Posts
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RE: Grant ASHP 17.5 kw. weather curve
Firstly welcome to the forums. I hope you ar...
By JamesPa , 8 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles We had a reroof concurrently with the PV in...
By Papahuhu , 9 hours ago
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RE: Cascade 2x Grant Areona 10kw ASHP - Ongoing setup issues
(Almost) all heat pumps do defrost by taking heat from ...
By JamesPa , 9 hours ago
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The Great British Heat Pump Owner Persona Survey: Let's Build Our Archetype!
Happy New Year everyone! As we head into 2026, ...
By Mars , 10 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Seems to be the only logical explanation. Our ASHP was ...
By benson , 11 hours ago
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RE: Radiator sizing sanity check
@jamespa thanks, yes it seemed mad to me. An exert f...
By Papahuhu , 12 hours ago
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RE: Optimum new build house design for Heat Pump
From first principles I would say: Definitel...
By JamesPa , 13 hours ago
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RE: Weather compensation- why you should use it
As good a place as any to drop this video:/p>
By Mars , 16 hours ago
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RE: Forum updates, announcements & issues
@transparent D'Oh - I did look before I posted but I mi...
By dr_dongle , 18 hours ago
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Compatibility with Samsung AE080RXYDEH
I am new to all this. We have a SamsungAE080RXYDEH that...
By John999 , 18 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Maybe you should buy your additional batter...
By Bash , 19 hours ago
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RE: Data Accuracy Problem: Daikin 8kW Heat Pump's Onecta App vs MMI Power Consumption
@nursethescreens Yes, comfort and happiness of the fami...
By Toodles , 20 hours ago
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RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
Thanks folks. I had tried googling an ethernet lab adap...
By z8lccda , 1 day ago
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RE: Changing from 4-port buffer to volumizer
@toodles I'm not concerned that the behaviour is not no...
By Andy1618 , 1 day ago
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RE: Setback savings - fact or fiction?
I agree, and I think there are two things in play here....
By cathodeRay , 2 days ago
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RE: Water Hammer After Heat Pump Install
That's really helpful. Yor last sentence confirms it'...
By JamesPa , 2 days ago
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RE: Help needed with Grant Aerona 3 issues
First time posting so bear with me. Some bits that have...
By Adamp , 3 days ago
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RE: Mitsu PUHZ-SW120YHA + EHSC-VM20Uk - Performance
All understood. Obviously its a bit house de...
By JamesPa , 3 days ago
