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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: New Valiant ASHP system in NE Scotland

You don't expect a capitalist to risk their own capital do you? It is invariably the capital of the shareholders or preferably the taxpayers. 😢 On B...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

Hi @transparent I don't particularly see how being on a low income and having a 6 bedroom mansion with lots of solar panels equates. 😤 I had alre...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

Hi @transparent I fully agree that the dramatic increase in the standing charge for electricity, though not for gas, cannot be justified when we are...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay I am not suggesting this as a permanent solution, but to try to identify where any design weaknesses may exist. Is it the heat pump t...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay Either increase the setting of your weather compensation or manually set the LWT to say 55C. Then monitor the system and see if you c...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay Based on the data in the spreadsheet, which I believe is reasonably accurate, at an outdoor temperature of 12C, the heating demand of...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay It would appear that something went slightly wrong with your calculation. To hopefully explain things a little clearer lets conside...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@robl I would suggest that you all look at Wikipedia.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay I am pleased to see that the temperatures within your home are increasing, though it is undoubtedly due to the warmer weather. I do...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

Hi @cathoderay Let me see if I can answer your questions. The heat pump does not actually know that the heat demand is 6kW, or whatever it may be ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Water Cylinder v Thermal Store

Hi @bontwoody From the information that I have seen, to some extent it depends upon how much hot water that you use, the bacteria is much happier fo...

5 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Water Cylinder v Thermal Store

I think that I would prefer the opinion of a health professional rather than a heating engineer.

5 years ago
Forum
Domestic Hot Water & Cylinders
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