Last seen: Sep 19, 2024
@jamespa Using degree days for calculations with gas or oil boilers is not really a problem, but such does not work particularly well with ASHP's.
Germany appears to be working towards having green Hydrogen as a key element of their energy mix. Below are some interesting videos and information.
The graphs that you obtained are typical of a control system whose response is actually slightly too responsive. I will formulate an explanation in a ...
I suppose that you could try the old fashioned method, download and read the installation manual. There are a number of you tube video's. I don't ...
@fazel That's because we live in 'rip-off Britain'. 😡
@jamespa It is my understanding that air conditioning units (A2A heat pumps) have the same limitations for permitted development as A2W heat pumps, ...
I suppose the noise aspect is very much a 'can of worms' and also subjective, since different individuals will have varying levels of noise tolerance....
@editor If you would like to provide the readings from your system I will try to analyse the data and see if there may be a problem somewhere.
@editor Looking at the graph, not only is the expected change is LWT lower at higher outside temperatures, you may also have the case where it runs ...
@editor If you are not seeing a change in LWT with outside temperature, then I would question whether your system is operating in WC mode, or that t...
@sunandair This is the way that I interpret the reply from the Mitsubishi Engineer. The controller measures both the outside temperature and the i...
Hi James, To give credence to some of your suggestions, below is what we have achieved over the past 10 years or so, and what could be achieved by o...
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