Last seen: Aug 15, 2025
@batalto - ah, that makes sense, I'd forgotten you have a considerable solar input. Downloading the raw data from the app - do you know if that is pos...
@batalto - I think the problem may be the charting. The numbers for 2022-11-18 ie yesterday/Friday (those in second screen grab) don't appear too unre...
@batalto - it's probably just me, but I am not sure I can make any sense of that chart apart from one thing - like me, you have your DHW desired temp ...
I suppose that is plausible but it seems on the low side. Assuming building heat loss vs temp is linear, 12.4kW @ -2 / 0kW @ 20 degrees ambient, then ...
@derek-m - thanks for the figures. I knew the adjustment wasn't linear, useful to have a bit more precision. Given some of the lockshields only have m...
Interim update: the rads are approaching being balanced, its taking a while because it is so mild and the heat pump is not running for longish periods...
I think so, but can't be sure. They were buried in the floor a long time ago (mid 80s). The point where the pipe enters the concrete definitely has vi...
I wonder what 'these' are? If they are flow meters, they don't come cheap, and four could easily set you back a grand. Also, on a PHE, but perhaps not...
I thought as much, and the answer is simple, as you say, publish the graph for each pump. The manual is huge anyway, a few extra graphs won't make it ...
@derek-m - thanks for the detailed explanation. I still think the plots are not ideal, in particular the lack of scales on the axes. We don't even kno...
It is on the return side, pushing water into the PHE, via the filter (black cylinder) you can see in the earlier photo. Will do the PHE measurement ...
Yes, and they are (I've just double checked).
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