Last seen: Sep 8, 2025
Perhaps try plotting the TF Module Temperature over time, and with other variables, to see if any pattern emerges? Also worth having a look at the man...
@cashback - impressive work. Time will tell whether you end up with a warm feeling on the inside or a red face on the outside ;-). One thing I am p...
I have been having another crack at my COP calcs, given that some of the trailing 60 minute values look suspiciously high at over 4 and sometimes even...
Ah, that makes it all clear. Thanks very much. I thought you had to send a write request before each read request, which did seem odd, but a one time ...
But why not go for a generic approach, that can be adapted where necessary for manufacturer quirks and irritations? As long as you have a physical mod...
@derek-m - thanks, brilliant clear explanation. Especially as I still have an analogue CRT TV! Looks right and works well in an old leaky listed build...
Not so long ago a likened the hardware and RS-485 to the Morse keypads and telegraph wires in an old telegraph system and modbus to the Morse code sen...
@transparent - it's probably just another case of bad manual language. I thought modbus 'functions' were used to tell it what to do eg 03 means 'read ...
This is why I am now trying to be as generic as possible in what I do, the idea is to have a generic approach that can be used either as it is or with...
This is rather too cryptic for me, how, for example, would I 'solve the "sample and hold" behaviour of the heat pump interface'? I know you are replyi...
I am pretty sure this is the company I had to fire to get my heat pump installed by another installer. They were the LA grant peoples' 'preferred inst...
@filipe - it does sound like an odd design/system. 12kW heat loss, 22 rads, that's give or take 500W on average output for each rad which even at ASHP...
Latest Posts
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Is that heat loss, or maximum output of the ASHP? Unde...
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan Fully agree with you. It shouldn't be the homeo...
By HCas , 6 hours ago
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RE: Solar Thermal DHW and ASHP
@judith That makes sense to me! If I was in @alex_n '...
By HCas , 7 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
Good unit. And the 10 kW is the same as the 12 kW I ...
By HCas , 7 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 10 hours ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 12 hours ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 17 hours ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 1 day ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 1 day ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 1 day ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
By Old_Scientist , 3 days ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 3 days ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 3 days ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 3 days ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 4 days ago
