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Derek M
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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: 4405
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RE: Ecodan ASHP cycling every couple of hours

@crustydoodle Noise from pipework could be due to vibration of the physical pipes. Whooshing is normally a sign that the flow rate is too high or th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP cycling every couple of hours

@crustydoodle I'm afraid that i'm getting an error message when I try to play the video. Would you describe the noise as a tinkling or whooshing sou...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP cycling every couple of hours

@crustydoodle Please describe the noise that you hear.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP cycling every couple of hours

Noise in the pipework is possibly due to having air in the system. I would suggest bleeding any air out of the system. I believe that the FTC6 contr...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: PM recommits UK to Net Zero by 2050 and pledges a “fairer” path to achieving target to ease the financial burden on British families

I fully agree with your sentiments, and do everything that I can to try to reduce our energy consumption, along with helping others to do the same. T...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
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RE: Heat pumps and on/off working - starting to quantify it

@cathoderay I hate to burst your bubble, but what you propose will not be possible to achieve, since it would defy the basic Laws of Physics and The...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps and on/off working - starting to quantify it

@cathoderay Hi Ray, Now that I have almost completely recovered from a heavy dose of flu, which I suffered even before I received my annual flu ja...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps and on/off working - starting to quantify it

@cathoderay +/- 2C seems rather coarse for control purposes, but I suppose it depends how accurate you wish the temperature control to be. A PID c...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps and on/off working - starting to quantify it

@cathoderay If you wish to have a PID type control system I should be able to help with the algorithms, if you wish. I assume that you can only ch...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps and on/off working - starting to quantify it

She doesn't have to wear anything underneath the mink coat. 😎

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps and on/off working - starting to quantify it

When I have checked the actual figures, it would appear that my original estimate was a little on the low side. Taking a typical home, the following m...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps and on/off working - starting to quantify it

Are you referring to instantaneous electrical energy increase or the increase over a year, since the two will probably be different.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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