
Last seen: Sep 17, 2025
That diagram is a good start @longbyre. We do at least now know that we're expecting mains cables to UFH pump(s) and Heating Controllers 2-core w...
@derek-m has a reputation on this forum for tracking down manuals 😎 As for commissioning, are we correct in assuming that the ASHP external heat-pu...
Apologies... I too should always add the relevant photos! These are showing two different layout solutions for the same situation. Both use copper...
There are number of points to made here.I'm explaining in greater detail than you might need because others will come across this later. The two...
@longbyre Was this equipment bought from ESP with any form of government/MCS grant involved? This is important because the grant assistance isn'...
Any chunk of copper bar would achieve that specification! 😉 I usually look out for grade C101, which is 99.9% pure and used commercially for its h...
@misterb if your chosen electrician has fitted the equipment with approval from your DNO, then you should have received a copy of the letter which gav...
I think that's the correct conclusion. An MCB/MCCB is designed to trip at currents which are around 2x its rating. To provide protection for a sho...
As @chickenbig has replied in text, may I also do the same, but in graphics... Here is the twisted-pair configuration we're discussing, which is the...
OK, will do.I already have the right contacts in local government to make that approach to the area fire authority. On this evening's BBC TV news I ...
I'm disappointed if that's the case. The fitting of red/yellow rotary switches has been a requirement for houses with renewable generation/storage f...
Rotary switches, and their use by the Fire Brigade Well that's no good in a house that not only has storage batteries, but also a battery control...
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RE: Powerwall 3 or Myenergi or something else?
Many of those tariffs are simple time of use tariffs, w...
By Temperature_Gradient , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Yes thats the whole point of the flexis as regards tran...
By JamesPa , 2 hours ago
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So far as I can tell designing for DT5, which is 'the n...
By JamesPa , 3 hours ago
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Mitsu PAR-WT60R Wireless Controller - options
I hope I have satisfactorily installed the above wirele...
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WC curve best discovered by experiment anyway as any lo...
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RE: Big Changes Coming to Our Heat Pump System
@editor your engineer's attitude is truly horrifying. ...
By GrahamF , 1 day ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 1 day ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 1 day ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 1 day ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 2 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 2 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 3 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 3 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 3 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
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