Technical Specifications

Designing a Liebert XD Solution
31
3.16 Piping Details—Shutoff/Isolation Valves
Isolation valves must be installed on the Liebert XDC’s refrigerant circuit to permit maintenance on
the unit (see Figure 31).
Figure 31 General piping details
3.17 Piping Details—Shutoff/Isolation Valves
Isolation valves must be installed on the Liebert XDP’s refrigerant circuit to permit maintenance on
the unit (see Figure 32).
Figure 32 General piping details
Field Piping, Supplied and Piped By Field
Return
Supply
Field-Supplied
Full-Port Ball Valves
Factory-Supplied
Full-Port Ball Valves
On Liquid Refrigerant
Lines
Field-Supplied Full-Port
Ball Valves on Hot Gas
Refrigerant Lines
Liebert
XDP A
Liebert
XDP B
Return
Supply
Return
Supply
Floor
Building Chilled Water Supply
Building Chilled Water Return
Isolation
valves
Isolation
valves
Emerson recommends
field-installation of shutoff
valves at these points to
permit isolating the
Liebert XDP for
maintenance.