There were 3 cables in the box. One was usb, one was a 3 pin connector and the last one was a female Molex . So do I just use the 3 pin cable to connect the aquabus plugs on both aquaero and poweradjust ?
Yes, to the high aquabus. For the first set up and possible firmware update you should connect the usb, too(to the motherboard). (if it is´t in the way it can stay connect, too)
Also what's the Molex cable for ?
Connection cable for Laing DDC pumps
poweradjust 3 FAN>Molex