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Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Topics: 7 / Replies: 4405
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RE: Observation about radiators and weather compensation

@cathoderay Measuring the electrical power input is fairly simple, and there are plenty of power meters that can do this with reasonable accuracy. C...

3 years ago
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RE: ASHP What to do.

@keithc Where is 'here'?

3 years ago
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RE: 17 year old ASHP needs replacement, should I go back to gas boiler?

Hi David, welcome to the forum. So you are suffering the age old problem of trying to decide what to do for the best. First of all I would question...

3 years ago
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RE: Daikin ASHP experiences as part of our Italian renovation project

I don't disagree that the system may have been piped up as shown in schematic 6.1, though the TS shown is the unpressurised version whereas the one in...

3 years ago
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RE: Observation about radiators and weather compensation

@cathoderay If you wish to calculate the COP with more accuracy, you could consider having the MMSP equipment installed, which like your power meter...

3 years ago
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RE: Daikin ASHP experiences as part of our Italian renovation project

@marzipan71 Well spotted Steve. I obviously failed my observancy test, by not reading through table 8.5 in sufficient detail. It would appear that...

3 years ago
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RE: Can I install my air source heat pump in the cellar?

Hi Iain, welcome to the forum. I agree with Mars that 100k does seem rather excessive even for a GSHP. I would suggest that you contact the GSHP ass...

3 years ago
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RE: Can I install my air source heat pump in the cellar?

@editor Hi Mars, What you actually stated is not entirely correct, since it is possible to get ASHP's that can be installed indoors, but have to h...

3 years ago
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RE: Daikin ASHP experiences as part of our Italian renovation project

@hughf Hi Hugh, The schematic 6.1 is generic, and does not relate to the installed model, so cannot be taken as to how the system has been install...

3 years ago
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RE: Observation about radiators and weather compensation

@cathoderay Based upon the information you supplied some time ago about your system, a predicted COP of 3 could be expected with ambient temperature...

3 years ago
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RE: Daikin ASHP experiences as part of our Italian renovation project

@hughf You may be correct. I will have a close look at the diagram tomorrow and get back to you.

3 years ago
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RE: Daikin ASHP experiences as part of our Italian renovation project

@marzipan71 As Hugh has pointed out, your system is one of the more complex arrangements, but with the addition of a power diverter or solar thermal...

3 years ago
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