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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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Reply
RE: Samsung ASHP scheduling help

This is one of the aspects of digital control systems. If we, as humans, were given the task of performing the WL function, we would measure the OAT...

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

@cathoderay I think that you have covered the topic quite clearly, with the primary determining factors being the temperature difference between ind...

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

@cathoderay Would you be happy with simulator?

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

@cathoderay I don't disagree with most that you state. To me a model should be created using real World data and then tested against a working sys...

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

Could you please reply in 'English'. So you assumed a constant COP of 4 and a temperature drop of 5C? Did you remove your spreadsheet, I don't app...

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

I am looking to model the possible energy usage during different hours of the day under different operating conditions, you should then be able to cal...

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

Are you assuming a constant COP of 4 and an indoor temperature drop of 5C over a 4.5 hour period? Please clarify.

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

@cathoderay Physical testing should be carried out whenever possible, both for peace of mind and also to help validate the accuracy of any models. ...

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

@jamespa Thank you for the vote of confidence, but as I feel certain that you realise by now, it is still a 'job in progress'. Having discussed vari...

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

@jamespa I'm afraid that I cannot see how the heat pump could be supplying 5.86kW to the heat emitters rather than the previous 4kW, without working...

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

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

@jamespa Using FCU or a A2A heat pump should be more efficient during a morning temperature recovery, since they heat the indoor air directly, rathe...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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