Last seen: Oct 22, 2025
I recall some basic maths kwh= LPS X DT X SHC Where the SHC is specific heat carrying capacity (SHC of water is usually quoted as 4.2 whereas glyc...
Hi @jamespa I’ve been travelling for a few days and felt I needed to address some unanswered messages from you. I think and hope we just had some ...
Sorry James the radiator output is governed by temperature of the water inside them and the lower the flow temperature the slower and sustainable the ...
I think Rob Berridge states on this episode that you can’t have “too much” radiator capacity on a HP installetion (if you want the quote try 12 mi...
As per Robs comment @robs this is a R290 model which will operate down to 2kwh output…. ironically R290s are being hailed by some as the high te...
james you appear to be sighting an example which I have never said. I have never asserted this statement so I don’t see why you are saying it. Abov...
@jamespa apologies James I’m on a train so dashing between platforms
@heatgeek I wouldn't normally comment on such a varied emitter scheme. I think I’m just trying to establish a few principles of HP operation in a simp...
My first thoughts are that the process is more dynamic than your model suggests. Your idea that demand is determined by the house isn’t quite how I se...
hi @jamespa Thanks for your reply. Thinking I can see a pretty good analogy and I will post it in the morning. 👍
Yes I think That’s quoted quite a lot if I’m getting your ratio of 3 correctly. The problem is, like all rule of thumb approximations is that that man...
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