Experiences with brine heat pump

Hydraulic balancing was carried out by the way - unfortunately I don't know if it was done properly. What would be the procedure for fine-tuning? A thermometer in every room and then adjusting the flow open/close until the same temperature is everywhere?

Exactly, but not at those temperatures.

And therefore, no proper comparison has been made – especially since you don't have room thermostats, right?

Has the system been accepted now?

Next week - I hope. It was calculated and matched according to the Vaillant documents.
No, we do not have room thermostats.

So the actual pipe lengths were not taken... I hope you have them.

The HB wrote that down... fortunately.

But that much about his ability