APC ACRA100 Installation Manual download pdf (Page 43)

35Pumped Refrigerant System Operation and Maintenance

Path: Main > Cooling Modules > Select CM > Status > Overview

Temperature. The temperature at each of the sensors in the selected CM.

• Rack Inlet: The temperature of the air entering the rack at the remote temperature sensor.

• Supply Air: The average temperature of the air entering the CM as measured by the supply air

temperature sensors.

• Return Air: The average temperature of the air leaving the CM as measured by the return air

temperature sensors.

• Liquid In: The temperature of the pumped refrigerant entering the CM as measured by the liquid

refrigerant temperature sensor.

• Vapor Out: The temperature of the pumped refrigerant leaving the CM as measured by the vapor

refrigerant temperature sensor.

• Evaporator: The evaporation temperature of the refrigerant as it leaves the evaporator.

Pressures. The pressure sensor readings:

• Liquid In: The pressure of the pumped refrigerant entering the CM as measured by the liquid

refrigerant pressure transducer.

• Vapor Out: The pressure of the pumped refrigerant leaving the CM as measured by the vapor

refrigerant pressure transducer.

Valve Positions. The positions of the EEV and EPRV as expressed in a percentage of a full open

condition.

• EEV Pos: The current position of the Electronic Expansion Valve.

• EPRV Pos: The current position of the Electronic Pressure Regulator Valve.

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APC ACRA100 Installation Manual Page 43