APC ACRA100 Installation Manual Page 21

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13Pumped Refrigerant System Operation and Maintenance
RA Piping Diagram
Item Description Item Description
Fan
Return air temperature sensors
Micro-channel coil
Solenoid valve
Return vapor temperature sensor
Refrigerant liquid pressure sensor
Refrigerant vapor pressure sensor
Supply liquid temperature sensor
Evaporator pressure regulator (EPR)
Electronic expansion valve (EEV)
Service port
Remote rack inlet temperature sensor
Rotalock adapter
!
Supply air temperature sensors
na3391a
Supply AirReturn Air
1 1/8'’
ACR
7/8'’
ACR
From RDU
To RDU
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