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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: Two possible heat pump routes - how to evaluate them?

The fact that the system may be designed to operate with a maximum Leaving Water Temperature (LWT) of 50C does not mean that it has to be operated at ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?

@jamespa I feel certain that Donald Trump will claim that he will produce the greatest, most 'beautiful' climate change of any President, past, pres...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

@editor In the first instance the system with a buffer tank would require two water pumps rather than just one, so is very likely to use more electr...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

It very much depends on what is meant by poorly installed and correctly installed. If you mean buffer tank or no buffer tank or PHE or no PHE, then of...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

@judith One of the main determining factors in heat pump efficiency is the ratio between the heating capacity of the heat emitters in relation to th...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Two possible heat pump routes - how to evaluate them?

@jamespa James I thought that you would have realised by now that heat pumps are much too complex for us common folk to understand. Shame on you. ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Two possible heat pump routes - how to evaluate them?

If the cost to repair the system was £4500, then it was not just a matter of changing a few radiators. Your example is therefore not what is being dis...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@iantelescope It would have probably been more useful to show the inlet and outlet temperatures on the primary side of the PHE along with the inlet ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: How Do Compressors and Frequency Affect Heat Pump Efficiency?

@rhh2348 It may be useful to consider the tasks being performed by a heat pump compressor and how these can be affected by variations in speed and l...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@iantelescope Since you seem reluctant to make physical changes to the wiring of your system you could try operating in the following manner. Set ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

For correct operation of your system it is necessary for the primary and secondary water pumps to operate at the same time. Without knowing exactly ho...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Madre mía - Daikin and Octopus' Kraken

When he said 'can be controlled by Kraken', I suggest that you confirm that this is an option and not compulsory.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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