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Last seen: Sep 23, 2026
@derek-m, @fazel thank you for your comments. I think I should start another thread on 'on/off' working, it doesn't really fit here.
@derek-m Thanks for this, very nicely set out and logical. I will have a play over the next days but it certainly looks like a great piece of work. ...
Possibly, but this time we can't afford the luxury of waiting for experience etc.
Yet you can install an oil boiler without planning consent but have to jump through loads of hoops to install a heat pump
@derek-m Understood! I've been thinking about the problem of assessing quantitatively the effect of on/off heating (eg when you switch it off ...
With an OAT of 5C which is what the graphs say you have, you would indeed expect that or better. Remember that cycling occurs when the heat pump cant...
I find that with weather forecasts you need to be careful how you 'read' them. For example a '30% probability of rain' could be because you are edge ...
"Can you define "Short Cycling"? Is this short Cycling , acceptable , during April , during the prime Short cycling month of April?" Unfortuna...
@derek-m Thanks, that would be much appreciated!
There are various online calculators for flow and pressure. Temperature loss in pipes should be either negligible or within the insulated envelope o...
Personally I both play with models (railways) and work with them. Experiment and theory complement each other. and modelling is not a modern obsessi...
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