Last seen: Aug 15, 2025
There are also small but cumulative losses eg cleaning a magnetic filter (though I suppose one could catch and recycle the water) and bleeding rads. I...
Ah, OK, thanks. So far, running at 55 degree LWT has the house feeling warmer, room temps up, but it's 'only' 8 degrees outside, so demand is not at i...
@batalto - point taken, it's also the linear/area thing, half the diameter = a quarter the area. You are also spot on with the primary circuit length,...
@batalto - you will have seen @derek-m's remarks about the PHE above, 3 degrees loss through the PHE from primary to secondary, which suggests that at...
Exactly, it is the unfortunate use of a unit of time in the name that makes it seem like a rate, when in fact it is a quantity (that can then be produ...
Interesting. I will see if anyone comments further on your 'ramblings' (which look very erudite to me), in the meantime, to clarify: ie kg/s = l/s...
One final very simple, I hope, example: two convector heaters, one 1.5kW and one 3kW. The 3kW one delivers heat energy at twice the rate of the 1.5kW ...
Indeed. I have read some accounts that do a sort of vanishing trick, where everything gets divided by itself, and all disappears into oblivion, though...
As @robl has pointed out, it is easy to get confused by the apparent similarity between mph (miles per hour) and kWh (kilowatt hours) but there is the...
@batalto (and others) - having cleaned the filter, and let the system run for a while, I am pleased to say the Midea controller is reporting a higher ...
@batalto - OK, thanks, now done. I did turn the DHW off and room stat down. A fair amount of crud, but that is after almost two months of near continu...
@batalto - thanks, I will check the filter and report back. Before I check it, presumably you need to turn the heating and DHW off before doing it?
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