Last seen: Oct 16, 2025
@cbrenewable What's the heat output each day for the last few days, and the input. My COP is 6 and over at the minute. The big rads not gettin...
@cbrenewable Hi, the graphs from Mel pump would be good. Can you draw your system, have you got a low loss header? or are you directly piped into ...
@sandman1600 you need to measure whats going on really before you make loads of changes. If you can measure the temp of the flow and return to and ...
the reason why cop is bad is the delta t's on the primary circuit are small, so its not giving out much energy by the mitshi calculations. nobody kno...
Has anyone been to check what is going on with the secondary side of the system with the UFH? I’ve not read all the posts recently. The minimum modula...
Yeah, big balance isn’t it. Big enough to heat commonly cold days, but not so big ruins more typical temps. im not sure where in the country the unit ...
I’ve circle your compressor output. It’s just going from low to minimum output to off. And then as we thought, off all day. But it’s warm today, but m...
@sandman1600 it’s tricky. Looking at the graphs: it’s not ideal. It’s on/ off all the time as it can’t modulate lower. Personally, I’d not be hap...
@gary mine was “designed” to 45, bit system can’t get above 36. That bit was nonsense. from looking at your graphs of one day: you’ve got loads of ...
@gary I get where you’re coming from. But I don’t think you’re undersized . You’re trying to cram in all the heat your house needs into certain peri...
Hi, I'm saying this from my experience, not as a heating expert: Your compressor is turned off for too long periods. You may think the UFH is at ...
@gary how much UFH and how much rads are you? Whats your screed depth and pipe size?
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