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mjr
@mjr
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Prominent Member
Joined: Feb 23, 2022
Last seen: Mar 18, 2024
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Topics: 2 / Replies: 299
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Reply
RE: BBC article on a cutting edge technology

Not necessarily: "nowcasts" are often pretty accurate and it would be less vulnerable to problems like sun reaching a sensor or being near a wall that...

3 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Weather compensation and air source heat pumps

Well, yes, but we also have forecasts of the outdoor temperature (and so the future efficiency of the heat pump) that most controllers ignore at prese...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Accelerating the transition to heat pumps

Non-twitter-tracker link to the report is/p> Executive summary recommendations to government are: Support the development of standardised proced...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Weather compensation and air source heat pumps

I still feel that weather compensation as usually implemented is only a first step, a first-order approach looking at only the outdoor temperature and...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: SCOP

We just had the first annual service. Ecodan R32 8.5kW as sole source for heating and hot water. Reading the numbers off the controller works out to 3...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan/heating changes for higher COP

That's still a big improvement on the FTC6, though. In the FTC5 manual, the similar settings on pages 41/42 are also labelled as "Heating operation" b...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan/heating changes for higher COP

I'm not sure those are the problems: the controller and its temperature sensor are on the wall of the landing, not near a radiator, not in a draught, ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan/heating changes for higher COP

Mine doesn't do that! When in weather compensation mode, the controller changes to +/- adjustment of the curve. The ecodan pump only stops when the fl...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Worcestershire ASHP

But it is also a fairly expensive fridge sat in your garden and a relatively small extra expense (I've been quoted £80 for our ecodan) hopefully to ke...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the news

We do most of those already, so no saving to be found, except: My "local zero waste store" is a 3+ hour round trip by bike and not much better by ...

3 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Spotted this re. Octopus on another forum

Why would we need ALCS implemented in those appliances? We just need someone to give us easy ways of getting the ALCS signals from the smart meter to ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

@editor It is truly bizarre that it persists to this day. When there were local electricity boards, it was more understandable, but isn't the national...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
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