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Product Family

Liebert DS Direct Expansion Cooling System

As the world's most flexible and reliable direct expansion data center cooling system, the Liebert DS improves data center efficiency and protection. The system uses the industry's most advanced thermal controls and features a modular design, multiple compressor options and easy service access.

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Best Suited For:
  • Banking, Financial and Insurance
  • Broadcast and Entertainment
  • Data Center/Colocation/Hosting
  • Education
  • Government
  • Healthcare
  • Retail and Wholesale
Warranty: One Year Limited Warranty Against Defects in Material and Workmanship
Tools & Selectors
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Calculate Cooling Retrofits Savings
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See how much economization is estimated based on geographic location, loads and other operating parameters

Liebert DS data center cooling system provides efficient, precise, reliable control of room temperature, humidity and airflow. The flexible Liebert DS offers high energy efficiency, user-friendly Liebert iCOM unit controls, a modular frame, front service access, and multiple compressor and fan options. Liebert DS is offered in downflow models from 35-105kW (10-30 tons) capacities and upflow models in 35-105kW (10-30 tons) capacities. Cooling types include air, water/glycol and GLYCOOL™.

Model Specifications Overview
Liebert DS, DS035A, 35kW
Liebert DS, DS042A, 42kW
Liebert DS, DS053A, 53kW
Liebert DS, DS070A, 70kW
Liebert DS, DS077A, 77kW
Liebert DS, DS105A, 105kW


Benefits of Liebert DS Direct Expansion as data center cooling systems
Highly energy efficient
Exceeds the most stringent government efficiency requirements with NEMA premium efficiency motors
Offers energy efficient variable speed EC fans on downflow configurations
Flexible cooling capacity via variable capacity compressors
Requires only front access for service
Installs easily due to modular frame construction
Brings high-level supervision with Liebert iCOM controls, allowing networking of multiple mission-critical cooling units
Variable capacity control for ultimate control and reliability.
Redundancy through dual refrigeration circuits


Liebert DS Direct Expansion features
Precision cooling and humidity control
Provides component redundancy compressors, motors and blowers
Offers multiple configurations and sizes for flexible application
Monitors and controls operation with Liebert iCOM
Allows installation in upflow or downflow configurations, and in Air, Water, Glycol, GLYCOOL economizer models
Offers ultra energy efficient GLYCOOL economizer and Dual Cool hybrid models.
Downflow models compatible with optional air economizer
Available in 60Hz and 50Hz.

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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
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