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.

Specifications

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™.

Models TOTAL NOMINAL CAPACITY kBtuh[kW] NET SENSIBLE CAPACITY kBtuh [kW]* Nominal AIRFLOW [CFM] Height (in / mm) Width (in / mm) Depth (in / mm) Weight (lbs / kgs)

Liebert DS, DS028A, 28kW
95.5 [28] 120 [35.2] 4400 76 / 1930 73 / 1854 35 / 889 1470 / 668

Liebert DS, DS035A, 35kW
119.4 [35] 136.4 [40] 5200 76 / 1930 73 / 1854 35 / 889 1920 / 871

Liebert DS, DS042A, 42kW
143.3 [42] 154.7 [45.3] 6200 76 / 1930 73 / 1854 35 / 889 1470 / 668

Liebert DS, DS053A, 53kW
143.3 [53] 215.7 [63.2] 8000 76 / 1930 98 / 2489 35 / 889 1920 / 871

Liebert DS, DS070A, 70kW
238.8 [70] 255.6 [74.9] 9600 76 / 1930 98 / 2489 35 / 889 1970 / 894

Liebert DS, DS077A, 77kW
262.7 [77] 275.1 [80.6] 11,000 76 / 1930 98 / 2489 35 / 889 2020 / 916

Liebert DS, DS105A, 105kW
358.2 [105] 338.3 [99.1] 13,700 76 / 1930 132 / 3353 35 / 889 2660 / 1207