Having trouble commissioning UFH system, consisting of a Wunda manifold and Salus Auto Balancing Actuators.  I called up Salus tech department and they mentioned the units have a 20 minute calibration period but the support guy was unable to clarify if this is every time a call heat was made or just once (and if once how do you reset it). Nor did he know what the flashing LED meant.  (I suspect it is merely a rebadged device, as he requested I send an email, which I will, that he will send to th