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Last seen: Apr 29, 2025
@derek-m Many Thanks for the advice about setting the secondary Radiator Flow rate first. Then setting the primary, Heat Pump Flow rate ......
@jamespa Given that I have control of the Flow rates of both the Heat Pump and Radiator motors on either side of the Heat Exchanger ....... ...
@jamespa James, Great script. Let me read, and print this out.......... to summarise your argument. Excellent writing , but daunting to the...
@jamespa Actual Room Power Loss Measurement I agree with you , In Measuring the actual Room Heat Loss I have NOT taken the Heat leakage o...
@derek-m Hi Derek, From the Water Power Equation: Water_Power ( kW) = Specific_Heat_of Water ( kJ/(litres x T) x Delta_T x Flow_Rate (...
@jamespa NIC Visit The NIC will visit to asses my Heat Pump Installation, this some 18 months since the Heat Pump was "installed". I am...
@jamespa Samsung recommendation Given that live in Scotland , Samsung recommend that my Pipe Water Temperature, set with the Samsung Wate...
@cathoderay On December 15th , 2022 my neighbour chapped my door asking "are you all right?". He pointed out that my rear garden was covered...
@jamespa Hi James, My system has two Two Water Power control options : Water Power Control by varying the Water Flow Rate using the Grundfo...
@cathoderay Anti-Freeze valves ? What does happen after the Anti-Freeze valve fires ?.................................. Excellent Ques...
@jamespa I think that you, James, is correct...............................the Black ink with the magnetic particles may be coming from the s...
@derek-m Hi Derek , All of my Radiators, with ONE exception, were replaced during the installation. Also, All of the pipes were replaced with a...
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Latest Posts
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RE: Harvest Thermal - ASHP with a smart thermal battery
Thanks @jamespa many good points. I'm one of those st...
By springswood , 1 hour ago
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RE: Heat pump installation quotations
That will be absolutely murdering your energy efficienc...
By EtchedPixels , 9 hours ago
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Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 10 hours ago
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After an intense recode, I’m pleased to announce that w...
By Mars , 10 hours ago
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 11 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 12 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 12 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 14 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 14 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 18 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 18 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 19 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 22 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 2 days ago



