Liebert CRV+ Series - 2.3 System Installation Arrangement

Chapter 2 Mechanical Installation 7
Liebert CRV+ Series Air Conditioner User Manual
2.3 System Installation Arrangement
2.3.1 Overall System Arrangement
The overall system arrangement of the Liebert CRV+ series air conditioner is shown in Figure 2-5.
Discharge temperature sensor
Check valve
Check valve
Ball valve
Traps* (Every
7.5m of
vertical lift)
Scroll compressor
Discharge line
High pressure
switch
Suction line
Suction
temperature
sensor
Sight glass
Filter drier
Distributor
Evaporator
coil
Condenser coil
Check
valve+
Low pressure sensor
Check
valve
Ball valve
High pressure sensor
Check valve
Check valve
Figure 2-5 Overall system arrangement
 Note
1. For the sake of convenience, the single system is used as an example to describe the double system.
2. : Factory piping.
3. : Field piping (by technical personnel).
4. *: These components are not supplied by Emerson, but are recommended for normal circuit operation and maintenance.
5. +: These components are required to add in field when the pipe equivalent length exceeds 30m.
2.3.2 System Installation Illustration
The unit installation mode is shown in Figure 2-6 and Figure 2-7.