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: Vaillant AroTherm Plus 7kW
If the thermostat is connected to the call for heat ter...
By JamesPa , 1 hour ago
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RE: Commencing on an ASHP Installation Process
There's one radiator not within the delivery, but this ...
By Sheriff Fatman , 2 hours ago
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There are heat recovery heat pumps that are designed to...
By Scalextrix , 8 hours ago
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RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
Hi @m1kegibson Maybe a long shot but is the controll...
By RobS , 18 hours ago
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RE: Renewables & Heat Pumps in the News
Yes I realise I'm picking this up a week late...... but...
By Transparent , 1 day ago
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@editor Mars if you have any recommendations for down s...
By abam48 , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness HI, The rules is a best practise, the ...
By ASHP-BOBBA , 2 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@cathoderay how did you get a script to run for that- d...
By benson , 2 days ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
@ashp-bobba thank you, and equally so, thank you for ta...
By Mars , 3 days ago
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@judith good to know… I’ll continue to feed Wattson, an...
By Mars , 4 days ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@editor great article re accreditation. I note ISO/IEC ...
By Bart , 4 days ago
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RE: Who's your electricity provider and what's your tariff?
I don't (yet), but my PW3 is due to be installed shortl...
By Old_Scientist , 5 days ago
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RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 5 days ago
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RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 5 days ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 6 days ago
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RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 1 week ago