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Product Family

Liebert DCL - Modular Rack Cooling up to 35 kW

The Liebert DCL is the Thermal Management unit for lateral attachment to server cabinets offering a wide range of features designed specifically for data center applications. The unit is available in two different architectures, closed or hybrid loop, and in multiple combinations of up to four server racks to match any customer needs.

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Best Suited For:
  • Banking, Financial and Insurance
  • Broadcast and Entertainment
  • Data Center/Colocation/Hosting


 Closed Loop and Hybrid Loop design
 Different size, Height and Depth, to answer to the different 42 U or 47 U
 Numerous combinations of Racks and Cooling Modules, up to 4 racks per 1 cooling unit (2 on each side)
 3-way modulating valve field adjustable to 2-way
 Variable speed EC fans to modulate airflow.
 Temperature and Valve Control logic driven based on Sensors selection.
 Remote Rack temperature sensors with 2 probes
 Caster mounted for easy placement.
 Multiple units communicate with each other to improve system performance and reduce energy consumption. 
 The iCOM large graphic display allows easy navigation and clear data display.
 Self-adapts to changing conditions to provide 24/7 precision environmental control
 Liebert iCOM control to provide: “Fail Safe” control logic (to maximize fan speed and water flow in case of controller failure), rack’s doors status monitoring and automatic doors releasing
 Dual Power Supply option
 Dual coil version
 Remote monitoring through IS-Unity Card (SNMP V3 / https protocols) 
Lowest Total Cost of Ownership
 Designed for higher return air temperature to maximize cooling capacity.
 Only front and back access required, resulting in minimized installation and service time.
 Variable speed EC fans operate efficiently to reduce energy consumption.
Ideally Suited For
 Small to medium-sized data centers.
 Raised and non-raised floors.
 Rooms with a low ceiling where air cannot be ducted.
 Complete solution for small IT room 


 Rack’s doors: Status monitoring and Automatic releasing
 “Fail Safe” control logic (to maximize fan speed and water flow in case of controller failure)
 3-way modulating valve field adjustable to 2-way
 Dual coil version
 Variable speed EC Fans for automatic airflow modulation according to server needs
 Overpressure dampers to avoid air bypass through inactive unit
 Top and/or Bottom Connections for all media
 Dual Power supply option available
 Efficient operation with the iCOMTM control 

*To see model-specific downloads, you will need to go to the model-specific product page by selecting the model name in the specifications chart above.

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Products Support Contacts

Showing contacts for Virginia, 20149, USA Change
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

Customer stories

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Choosing the Ideal Data Center Cooling Technology

A perfect cooling system is one that always provides the right amount of air at the right temperature. This video shows the newest Thermal Management solutions and provides information on how to best cool a data center.

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Customer Experience Center - Thermal Management

Vertiv’s Customer Experience Center located in Tognana (Padova - Italy), is specifically designed for customers to interact with Thermal Management data center technologies.

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