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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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RE: 14kW Daikin Altherma HP, UFH: struggles to maintain delta T at LWT < 39-38 degrees Celsius

In a central heating systems there are two interconnected, though distinct parts, the heat generator and the heat emitters, but they both obey the law...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Move along, nothing to see here....

To the uninitiated, please explain API keys.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Daikin Altherma HP, UFH: struggles to maintain delta T at LWT < 39-38 degrees Celsius

You are not unique, since most people struggle to understand the concept, surely water at 40C must contain more heat energy than water at 30C, and in ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Daikin Altherma HP, UFH: struggles to maintain delta T at LWT < 39-38 degrees Celsius

The room specific heat loss is a measure of how much heat energy is required to keep a room at the standard 21C indoor temperature, for each square me...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Daikin Altherma HP, UFH: struggles to maintain delta T at LWT < 39-38 degrees Celsius

What is the size of your home and the calculated heat loss? What are the present weather compensation settings? When you say your system struggles ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid ESO peak hour rebate

You may indeed be correct, but if National Grid (who set the price) are offering this kind of money to the electricity suppliers, and are saving money...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Move along, nothing to see here....

They may if you offer to compare bills. 😎

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid ESO peak hour rebate

At the moment the wholesale electricity price shown on the grid.iamkate.com website is £120 / MWh, Octopus is offering Agile user's the same at £330.3...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Midea Monobloc 10kW ASHP - serious issues

I would prefer to see the data from the Midea controller rather than their add on box of tricks. Whilst I appreciate that you are a 'big fan' of 'Free...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: iBoost alternatives?

Since I am planning to install a battery storage system in the future, this is one of the points I have been considering. My present power diverter ...

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Midea Monobloc 10kW ASHP - serious issues

The next thing that I suggest is logging in under 'Serviceman' and going through all the various screens available and record the values/settings that...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea Monobloc 10kW ASHP - serious issues

A heat loss of 7.4kW sounds about correct for a bungalow of that size. Looking at the last graph in the series it would appear that the cycling is p...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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