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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: Kev-M's ASHP Performance

@kev-m Thanks Kev, The fact that the water flow temperature appears to be reasonably constant when the ASHP is running constantly, would indicate...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Hi Batalto, Sorry for the delay in replying. I have read through the Midea manual, and it would appear that you are correct, the water temperature...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@kev-m Hi Kev, One further area were it may be possible to reduce energy consumption by a few percent, would be by tightening the 'heat pump ther...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@kev-m Hi Kev, Having ambient air temperatures around 2C is not very good for ASHP operation, because it will increase the number of defrost cycl...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

@batalto Hi Batalto, Your ASHP will still operate, even if the temperature measurements are not accurate. From the point of view of the heat ener...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Hi Batalto, I am not trying to prove anyone wrong. My objective in producing the spreadsheets, was for people to have a model, showing how their sys...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

@batalto In the spreadsheet the required water flow temperature is calculated based upon your heat loss data, your estimated total heat output from...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

The spreadsheet that I produced and sent to you some time ago, incorporated the data that you provided about your system. At an ambient temperature of...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

Hi HR_3, I'm afraid it is not quite as simple as watts per m2. Your heat loss will probably vary from room to room, rooms with larger window area wi...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Hi Batalto, Based upon the Midea data that you supplied previously, along with your heat loss calculations and heat emitter data, the energy consump...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@kev-m Hi Kev, For clarity, could you please identify which readings you think are incorrect, is it the ones on the MMSP or the FTC controller? A...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

@rv3 Hi RV3, I think that it should be possible for you to get better efficiency, lower energy consumption and a higher COP, if you optimise your...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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