Last seen: Jan 14, 2025
so a small loss per hour on an unused HW tank is inevitable, no tank insulation is perfect of course, but 0.5C is a bit high, I'm nearer 0.2C. Have a ...
@riponowl couple of questions about the data from the passivliving screenshots, to me they seem puzzling in a several places. they show your flow ...
sorry mike, I disagree if the system is split primary/secondary, with a buffer or LLH, then you have to have two pumps, it can't work without, thats...
just did a quick google: is passiving something that does online monitoring of your system via data from the heat meter? I'd be interested to see any ...
@riponowl heacol (an installer on this board) used to recommend Bellimo or ESBE when I asked him exactly this question. I went with ESBE. I think his ...
@riponowl COP of 3.5 is ok as a long term, worth keeping an eye on what it does day to day if your system has that capability (Sorry I don't know wha...
yes you have to do this. there are plenty of online tables to show how the output of the same radiator drops given different DT. most mfr's don't qu...
the flow rate dropping when you upped the ABV pressure indicates that the ABV was letting flow through, proving an alternate route. I don't know of a ...
not quite sure why you are asking this on this board as clearly a retrograde step, but anyway in the spirit of helpfulness: if your house is already p...
so there is hot water in the system being generated by the ASHP and its going somewhere, but not to your radiators.. this is a normal plumbing and hea...
@riponowl just set it to 0.6, the highest value. you don't need to "tune" it, you are not trying to balance a TRV boiler system which is what they wer...
its really hard to prove this one, because with an ASHP the difference between Flow and Return T is not a lot, not always easy to feel, and the behavi...
Latest Posts
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@majordennisbloodnok The migration hasn't started in th...
By HCas , 1 minute ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Yikes...I don't even know how you managed to find that ...
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RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems
Yep that's it, but the current design would re...
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RE: Buying large amp bidirectional RCD and RCBO
There won't be many RCBOs with a 100mA trip rating beca...
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RE: Electricity price predictions
Because its what the investors demand, simple as that. ...
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RE: One room is colder than the rest of the house
@jamespa thanks for all the advice. Just so you know, ...
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RE: Mitsubishi Ecodan R290 10kW performance
@dgclimatecontrol I only have 1 cylinder and I can conf...
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
My MMI is in the loft but I checked the pump flow rate ...
By RadWhisperer , 5 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump Midea has introduced the R290 series, which...
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RE: Grant Aerona 3 and Drayton system questions
Good man/woman that plumber! Very likely....
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RE: New build installation query
@paullacey Hi I have managed to save the fil...
By JamesPa , 6 hours ago
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Thanks for the response @batpred Your conversational ...
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RE: What should we do with our Aga?
One slightly off-the-wall suggestion is that, if you li...
By Majordennisbloodnok , 9 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I think there may be some oddities about the COP report...
By JamesPa , 11 hours ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
If you paid for any of the assessments try asking for t...
By JamesPa , 23 hours ago
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I've created a separate post here, wondering about radi...
By DREI , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@ecoste, @walnut-tree-cottage these are both great piec...
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RE: Solar inverters - where does the energy go when clipping?
You will, of course, check the dimensions and weight be...
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
17l/min is enough for only 6kW at 5C DT, not surprising...
By JamesPa , 1 day ago
