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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
AllTopicsReplies
Reply
RE: Circulation pump issues

Hi Saz, Sorry to hear about your problems. What is the make and model of your heat pump? It may be possible to change the settings within the heat...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Who's your electricity provider and what's your tariff?

Hi Everyone, I feel certain that like my wife and I you are all very concerned about the situation in Ukraine and its effect on world stability. T...

4 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

@kev-m Hi Kev, I can't remember if it was in the Ecodan manual, or some other manufacturers manual, where the instruction was to set the weather ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Disappearing hot water.

Hi Porthy, I have just noticed your posts. It sounds like you may have a faulty/sticking valve problem. A heat pump is not designed to heat DHW an...

4 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Another installation query - RHI, EPC, radiator sizes

Hi Ian, I think that there may be some confusion between heat loss calculations, and what you have stated in your post, which I believe to be an ann...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

Hi mjr, Auto adaptation is the type of control that is normally used in industrial control systems. In its most basic form, the variable to be con...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Another installation query - RHI, EPC, radiator sizes

Best efficiency from a heat pump should be achieved when the heat emitters provide the maximum heating capacity, so that the heat pump can operate wit...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

Hi mjr, I suspect that you are perfectly correct, that certainly the Mitsubishi, and I don't believe any other manufacturer, have controllers that t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice on reading thermal images

@editor Hi Mars, It would be interesting to see the variation in the temperature of the building fabric between area in sunlight against those in...

4 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

@mjr Just to clarify. Are you operating your system with reasonable weather compensation settings, or just using auto adaptation control?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea MHC-V16 new install

Hi Graham, I've had a look at the homely website and it would appear that it is achieving the same energy efficiency as what can be obtained by usin...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea MHC-V16 new install

Hi Graham, Which agile tariffs would you recommend?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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