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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
AllTopicsReplies
Reply
RE: Electronic smart TRVs and our ASHP

Hi gfkw, If you have read any of the threads on the forum concerning control of ASHP's, you should be aware that heat pumps do not perform particula...

5 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@bridgetjohn Hi Bridget, That looks much better. Thanks Newbie, I had forgotten about the restart, one of the pleasures of growing older. 🙄 ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@heat-pump-newbie Hi Newbie, Thank you for all your assistance. Can you think of any further settings that Bridget would need to change?

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@bridgetjohn Hi Bridget, Ensure that your system is set to operate in WD mode. See page 31 of attached document. You will probably have to conf...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@bridgetjohn Hi Bridget, Check to see if your controller is still set to operate with a fixed water flow temperature rather than WD. I will che...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@bridgetjohn Hi Bridget, One thing that I forgot to mention. I would recommend adding insulation to the pipework on your system, which will not o...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@bridgetjohn Hi Bridget, As Newbie states, your system should now be operating in a more efficient manner. If you can now monitor the operation f...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing radiators with heatpumps

Sorry Prunus, I should have made it clear, when the various manufacturers were referring to delta T. it was in relation to the water flow and return t...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@heat-pump-newbie Thanks Newbie. 😀

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing radiators with heatpumps

Hi Prunus, I know that Daikin recommend a delta T of 8C for radiators according to their manuals. Other manufacturers specify a 5C or 6C delta T. ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@bridgetjohn The photo's are excellent and clearly show that the weather dependent curve is set much too high. I suggest that you select the curv...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

@heat-pump-newbie From reading the various manuals it would appear that the operation of the controllers is fairly standard, though some settings m...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
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