Technical Specifications

Designing a Liebert XD Solution
32
Figure 33 Hard-pipe connection diagram for Liebert cooling modules
Refer to Table 8
for details.
Rear of
Liebert XD
Cooling
Module
Copper Tubing
Total length of each line from
Liebert XD Cooling Module
(Liebert XDH , Liebert XDO ,
Liebert XDR , Liebert XDV ) to
Main
Top of Liebert XD
Cooling Module
Recommended Arc
Supply Main
(seen from end )
1-1/8" O.D.
or 1-3/8" O.D.
Refrigerant -Grade
Full-Port Ball Valve
Field-Supplied and
Field- Installed to Match
Pipe Size
Return Main
(seen from end )
2-1/8" O.D.
or 2-5/8" O.D.
Acceptable Arc
Refrigerant -Grade
Full-Port Ball Valve
Field-Supplied and
Field-Installed to Match
Pipe Size
Supply
to Cooling
Module
Return from Liebert XD
Cooling Module
Maximum
9ft. (2.75m)
actual height