Leak-Checking And Evacuation; Header System; Figure 15 Hard Pipe Connection Diagram - Emerson Liebert XDR User Manual

Figure 15 Hard pipe connection diagram

Return Main
(seen from end )
2-1/8" O.D.
or 2-5/8" O.D.
Acceptable
Arc
7/8" Refrigerant -Grade
Full-Port Ball Valve
Field-Supplied and
Field-Installed
Refer to Table 1 for details.
Copper Tubing
Total length of each line
from Liebert XDR to
Main not to exceed 72"
(1829 mm)
6.6.1

Leak-Checking and Evacuation

Refer to the Liebert XDC or Liebert XDP user manual for procedures for evacuation, leak check,
charging and startup.
6.6.2

Header System

The Liebert XDR module system with optional flexible piping requires use of the Liebert XD prefabri-
cated piping assembly. The prefabricated piping is compatible with the Liebert XD Flex Pipe required
to attach to the Liebert XDR modules. For the details on piping connection locations, see Figure 14.
For additional information, refer to the Liebert X-treme Density System Design Manual, SL-16655,
available at the Liebert Web site:
Return from
Cooling Module
Equipment Rack
www.liebert.com
Recommended Arc
Top of
Liebert XDR
and
Equipment
Rack
Rear of
17
Supply Main
(seen from end )
1-1/8" O.D.
or 1-3/8" O.D.
1/2" Refrigerant -Grade
Full-Port Ball Valve
Field-Supplied and
Field- Installed
Supply
to Cooling
Module
Piping