Emerson XDR user manual Do not Overtighten

Piping

Figure 27 Detail view of Liebert XD Flex Pipe and prefabricated piping port

Tighten with torque wrench.

DO NOT OVERTIGHTEN!

Flex Pipe

Service Valve

Note: Make sure the valve is closed before attaching Liebert XD Flex Pipe to the system.

Hold threaded coupler here with a wrench to keep the brass body on

the female connector

from rotating while tightening collar with a torque wrench.

11.Repeat Steps 3 through 10 for the remaining Liebert XD Flex Pipe.

12.For a Liebert XDR module with removable couplings, open the return and then supply service valves. If the Liebert XDR is pre-charged DO NOT open either of the service valves.

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

If adding a one-shot, pre-charged Liebert XD module with one-shot pre-charged Liebert XD Flex Pipes to an operational Liebert XD system, after connecting to the header system:

1.Open the return service valve.

2.Open the supply service valve.

Figure 28 Liebert XD prefabricated piping assembly and Liebert XD Flex Pipe

Return Service Valve Make sure valve is open after system leak check

Supply Service Valve.

Make sure valve is open after system

leak check

Return

Main

Supply Main

Return Liebert

XD Flex Pipe from

Liebert XDR

Supply Liebert XD Flex Pipe from Liebert XDR

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