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18
Figure 17 Piping location and connecting sizes for pre-charged units
5.7 Field Installation of Liebert XD Flex Pipe Kit on the Liebert XDH
Liebert XD Flex Pipe kits are available in lengths of 4, 6, 8 and 10 feet (1.2, 1.8,2.4 and 3 meters).
Connection style to the unit end may be straight or 90 degrees. Connection to the prefab piping
assembly is a threaded coupler. For data on acquiring the correct kit for your installation, see
Table 4.
Figure 18 Liebert XD Flex Pipe dimensions—straight and 90-degree connections
7/8" Return, Lower
Refrigeration Circuit
7/8" Return, Upper
Refrigeration
Circuit
1/2" Supply, Upper
Refrigeration Circuit
6"
(153mm)
3-5/8"
(92mm)
5"
(127mm)
4-1/8"
(105mm)
2-1/8"
(54mm)
1-3/8" (35mm)
1/2" Supply, Lower
Refrigeration Circuit
Rear of Liebert XDH
Connection
to Prefabricated
Piping assembly
Straight Connection
90-Degree
Connection
Connection to Liebert XD Cooling Unit
(One-Shot Coupling)
DPN000780
Pg. 1, Rev. 1
Length
4, 6, 8 or 10 feet
(1.2, 1.8, 2.4 or 3 meters)
Connection
to Prefabricated
Piping assembly
90° Connection to Liebert XD Cooling Unit
(One-Shot Coupling)
DPN000780
Pg. 2, Rev. 1
Length
4, 6, 8 or 10 feet
(1.2, 1.8, 2.4 or 3 meters)