Perfect!!
Yeah, all the pipework sizing sounds more than adequate for the heat pump, which is a good sign.
I’ve played a lot with my install since it was put in, most of the changes driven by monitoring data.
I know a heat meter and associated kit is expensive, but i’m not sure how you could determine things are all working without it.
If you look at my data
https://emoncms.org/energystatsuk
You’ll see during heating that it hasn’t really hit DT5, same with Adam Heat Geek install.
It seems to prefer to max out the flow rate and squeeze the DT. Most of the time my DT is 2 or 3.
Perhaps when it’s -3 and it needs to output 5.5kW it might get closer to DT5?
I was worried about this DT2 / DT3 at first having read ‘heat pumps work at DT5’, but it doesn’t seem the case. Even Glyn and Trystans seem the same.
When you think about it, if you’re sticking with a fixed pump speed / flow rate, it’s only DT in the 'heat output = ’ equation that you can modify?