Vertiv Liebert XDC, User Manual

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Mechanical Installation 23
Table 2-9 Diameter of the Suction Pipe
Rated Cooling Capacity of Single
Vertiv ™ Liebert ® XDC System (kW)
Equivalent Pipe Length -
L (m)
Suction Pipe
L3 - OD (m)
35≤A≤50
0-20 25
20-40 28
40-60 32
50 <A≤65
0-20 28
20-40 32
40-60 35
Table 2-10 Diameter of Branch Gas Pipe and Branch Liquid Pipe
Rated Cooling Capacity
of Terminal (kW)
Equivalent Pipe Length
- L (m)
Branch Liquid Pipe
L4 - OD (m)
Branch Gas Pipe
L5 - OD (m)
XDV010
0-20 12.7 19
20-40 12.7 22
40-60 16 22
XDO020
0-20 16 22
20-40 16 25
40-60 19 28
XDH030
0-20 16 22
20-40 16 25
40-60 19 28
The wall thickness requirements of copper piping at site are shown in Table 2-11 .
Table 2-11 Wall Thickness Requirements of Piping
Piping Size (Outer Diameter mm) Wall Thickness (mm)
16 ≥1
19 ≥1
22 ≥1
25 ≥1.1
28 ≥1.2
32 ≥1.5
35 ≥1.5
Note: The sizes of copper piping are shown in Table 2-11, it must be a hard pipe (Y) specified in the national standard
GB/T18033-2007. If a semi-hard or soft copper pipe is used at the site, consult Vertiv technical team for the wall