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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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Degrees of Separation
Latest Posts
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RE: How quickly would you want/expect heat recovery to take from setback?
@jamespa I was thinking primarily of raising the flow t...
By AndrewJ , 7 hours ago
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He's down for a bit of maintenance... I'll restore him ...
By Mars , 9 hours ago
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RE: Why don't people choose heat pumps?
So a bunch of things rather than generate a load of rep...
By EtchedPixels , 9 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
That is a good approach and an excellent result. For co...
By Judith , 12 hours ago
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RE: Our 10 year old Grant heat pump failed
@editor @mike-patrick A 10 year old grant heat pump ...
By JamesPa , 15 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
In principle I agree but for what? OP has drawn a sche...
By JamesPa , 17 hours ago
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RE: Say hello and introduce yourself
Good to see you here, @claytonbrowne, and welcome to th...
By Mars , 21 hours ago
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RE: Issues with Samsung heat pump – high running costs and house dropping to 11C overnight
It looks very much like a radiator balancing i...
By hml1827 , 2 days ago
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I have, @transparent, but chose to pose the question he...
By Majordennisbloodnok , 2 days ago
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RE: Should I change my cylinder when changing from a gas boiler to a heat pump.
@jamespa’s point about payback is a useful counterbalan...
By Mars , 2 days ago
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If it no longer works after forgetting its settings and...
By bobflux , 2 days ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 2 days 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 , 3 days ago
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