Liebert PCW, Chilled Water Room Cooling Unit

Liebert PCW is the ideal chilled water cooling unit, providing an efficient solution for data center and server room air conditioning. This water cooling system is available in a wide variety of configurations and capacities, ranging from 200 kW to 6 MW.


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  • EC Fan 2.0: At the heart of Liebert PCW are the EC fans, to dramatically reduce the noise level produced during operation while significantly increasing unit efficiency.
  • Unit Inner Aeraulic Design: Cutting-edge design for the coil and the electrical panel, places Liebert PCW at the forefront of precision cooling for data centers.
  • Efficient Humidification Technology: To maintain the moisture content in the atmosphere the Liebert® PCW has an ultrasonic humidifer. If preferred infrared or electrode humidifiers are two efficient, available, alternatives.
  • VertivTM ICOMTM Control: Smart mode is a unique control algorithm developed for SmartAisleTM application (Cold Aisle containment) to dynamically adjust the airflow and cooling provided to match the needs of the servers eliminating the need to overcool your facility.
  • Ultimate Solution: Liebert PCW combines with Liebert® AFC adiabatic freecooling chillers to provide optimum efficiency to the entire Thermal Management system.
  • Simplified Installation: Adjustable legs, fast electrical kit and water connection on demand allow for easy installation.



  • The high chilled water delta T version is available to maximize freecooling operation, as well as granting a proper supply air temperature to the servers.The design considers a water regime of 20°C / 32°C.
  • Save up to 65% in energy efficiency: Liebert PCW is the highest performing floor mount chilled water unit in its range.
  • Suitable for all data center environments, as a result of a wide range of configurations meeting any customer requirements.
  • Simplified installation regardless of the selected configuration.
  • Cloud-ready: Liebert PCW is ideal for data centers facing the load and temperature variations caused by Cloud computing.


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