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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jan 14, 2026
Topics: 20 / Replies: 3931
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RE: Commencing on an ASHP Installation Process

Me too, but I think we are in the minority. Most homeowners dont understand anything about heating, dont want to understand anything about heating an...

2 months ago
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RE: 10kw heat pump run in 24*7 data?

Thats really helpful as it clearly says target 49C. So unless the actual flow temp keeps going up we know there is a limitation somewhere. Moreover...

2 months ago
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RE: Commencing on an ASHP Installation Process

I can think of a few possible reasons why the manufacturers of third party controls in general might want to be obscure about what they actually do ...

2 months ago
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RE: Don’t Install a Heat Pump Until You Read This

@davidnolan22 Inspired by someone on buildhub I asked ChatGPT and Duck.ai (which uses chatgpt and other LLMs) the following question:   "Supp...

2 months ago
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RE: Commencing on an ASHP Installation Process

Maybe you are right to be cynical and maybe not, I would really like to know as it would help understanding how best to operate (in particular) oversi...

2 months ago
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RE: Help me keep the faith with my air source heat pump installation

@adamk   Hi I see you posted on openenergymonitor, this in particular house is 1967 3 bed extended over the garage in 2005 to 4 bed then...

2 months ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Often the default password is in the installation manual, which is on manualslib. Its unlikely to have been changed or personalised to the installer ...

2 months ago
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RE: 10kw heat pump run in 24*7 data?

Noted NR is definitely off. According to the Vaillant manual weather comp curve 0.5 is about 35C at 0C OAT Suggest you bump this up to say 0.8 whic...

2 months ago
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RE: Don’t Install a Heat Pump Until You Read This

Thats good at least. Is your soil locally damp or dry? Im presuming the floor is something like 100mm slab on hardcore on soil with a DPC somewhere....

2 months ago
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RE: Don’t Install a Heat Pump Until You Read This

fair enough! Better advice IMHO would be don't work on a house with uninsulated UFH, or if you do fit radiators instead! Well thats an admis...

2 months ago
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RE: Grant Aerona 3 and Drayton system questions

Yes in general terms (obviously I cant tell if its exactly the right setting). Wait at least a day before changing it again, perhaps 2. This can tak...

2 months ago
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RE: 10kw heat pump run in 24*7 data?

OK. Please confirm heat curve and max flow temp settings last night. Are you 100% certain noise reduction mode is off. Something is capping flow tem...

2 months ago
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