What are the restrictions regarding the pumped refrigerant piping in Liebert XD?
The pumped refrigerant piping should be done with refrigerant quality brazing techniques, the piping should run overhead to allow a small piping slope from the modules back to the pumping unit (XDP) or the chiller (XDC). In general, the max distance between the XDP/XDC and the furthest located modules is 175 feet.