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Last seen: Sep 15, 2026
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 ...
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Degrees of Separation
Latest Posts
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RE: Why are ASHP installs so expensive?
@batpred I take your point and, perhaps, your experienc...
By ian33a , 4 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 1 day ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 1 day ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 2 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 2 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 2 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 3 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 4 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 5 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 5 days ago
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