Liebert® XDU Coolant Distribution Unit

Designed to remove barriers to liquid cooling in an air-cooled environment, the Liebert® XDU Coolant Distribution Unit is a liquid-to-air heat exchanger for chip cooling applications that offers easy, cost-effective deployment in any data center. The unit operates without facilities water, allowing you to tap into the benefits of water-cooled servers to more efficiently support higher rack densities without incurring the costs of major infrastructure changes.

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Best Suited For:
  • Data Center/Colocation/Hosting
  • Education
  • Healthcare
  • Government
  • Retail and Wholesale
Warranty: One Year Limited Warranty Against Defects in Material and Workmanship


Reduces the capital expense associated with liquid cooling in an air-cooled environment 
Tremendous efficiency benefits in high-density environments
Eliminates overcooling 
Simple, fast deployment 
Accommodates any facility design and seamlessly integrates with current cooling configuration 
Prevents leaks and protects server integrity and performance 
Complete visibility of operating conditions and unit status for peace of mind 


Redundant pumps with VSD control
Closed loop fan speed control with extra capacity 
Top or bottom liquid supply & return connection 
Integrated 50-micron filter 
Liebert iCOM 7” color touch screen display 
Remote monitoring available 
Intelligent flow monitoring with alarm features 
Closed-loop pipe design with integrated leak detection 
Easily accessible fill port and drain locations

With its row-based format and 60 kW+ of heat rejection, the Liebert XDU can handle the thermal needs of today’s advanced hardware without taking up valuable rack space. The fully-enclosed system operates with minimal water volume and is filled at the time of installation. It can be mounted adjacent to or nearby a cabinet of water-cooled servers to channel rejected hot air to the right location in the data center space where it can be effectively handled by existing air-cooled units, coordinating with the facility’s current cooling configuration. The XDU features the option of hose piping, an integrated filter to ensure water quality, and a redundant pump design for reliability. Variable speed drive (VSD) controls, EC fans, and state-of-the-art Liebert iCOM™ Controls allow you to set the flow rate based on facility conditions and automatically match supply water temperature to the load for highly efficient operation.

Liebert® XDU Coolant Distribution Unit
Product Specifications
Net Sensible Nominal Capacity kBtuh[kW]*
Nominal: 37.1 kW (50% fan speed), Max: 63.0 kW (at 100% fan speed)
Nominal Airflow Data Center Air (CFM, m3/H)
Nominal: 2825 m3/h (1663 CFM) at 50% fan speed, Max: 5650 m3/h (3325 CFM)
Input Voltage (V/Phase/Frequency Hz)
208V, 3PH, 60Hz
Controls and Monitoring
Liebert iCOM control with 7” color touch screen display
Key Components
Redundant pump design, variable-speed pump controls, and electronically commutated (EC) fans
384 kg
847 lbs
42U, 78 3/4 in
2000 mm
23 5/8 in
600 mm
46 ¼ in
1175 mm

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Products Support Contacts

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Vertiv (Liebert Services)
+1 800 543 2378
610 Executive Campus Drive Westerville Ohio 43082 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), Power Distribution, Thermal Management, Integrated Solutions, Racks and Containment
Vertiv Academy – Thermal Management Training
+1 844 841 2665
530 Westar Blvd Westerville Ohio 43082 USA
Product areas of focus: Thermal Management
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