Last seen: Sep 8, 2025
It's usually the case that the USB adaptor end 'offers' the 120R impedance by default. You therefore need to place that matching resistor at the oth...
You'll only need one 120R resistor @cathoderay - at the far end of the RS485 line. 🤔 I've been assembling a range of Modbus devices over the past ...
@newhouse87 - clarifications..... ... take care when reading the questions here because we don't want to make incorrect assumptions. 1:@derek-...
@alan-m - if you like the sound of what @cathoderay is saying, you might want to get an energy meter installed to monitor the electricity supply to th...
It is unfortunately the case that the sort of issues we're discussing here are all too common @newhouse87 Within in the general population there's t...
Yup!That room jolly well should be 'quite warm' with zero insulation on the pipes 😲 For a heat-pump, the temperature differentials are very much sm...
The Technical Guidance documents of the Building Regulations for Ireland aren't much different to the Approved Documents, as they're called in UK.What...
On a separate matter, thanks for posting the above photo. Would you like us to write anything about the levels of pipe insulation which are present ...
As such your installation doesn't comply with Part-L, sect 7 of the Building Regulations The installer has to file notifications with your Local P...
That's a reasonable default setting for the max voltage.Do you know if the BMS assesses it by measuring the volts across the main power connections to...
That looks good @batalto I'm going to expand on the above photo for the sake of others who will read this topic in future. Here's the curve of vol...
NFU Cymru (National Farmers Union) is based at Builth Wells. It's highly likely that they have members in central Wales who are knowledgeable on soil ...
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...
By Scalextrix , 12 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan Fully agree with you. It shouldn't be the homeo...
By HCas , 13 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 , 14 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 , 14 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 , 17 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 , 19 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 , 24 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 , 2 days ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 2 days ago
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 3 days ago
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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 , 4 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 , 4 days ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 4 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 , 4 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
