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Liebert® DSE Free-Cooling Economization System, 50-265 kW

Reduce costs and increase economization hours with the highly efficient Liebert® DSE Packaged Free-Cooling Solution. The Liebert DSE is the world’s most widely deployed pumped refrigerant economization system for data centers, with over 8,500 installations.

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Key Benefits
Highly efficient, with PUEs under 1.20
Low total cost of ownership
Maximum economization hours across the widest temperature range
Elimination of outside air contamination
Smooth transitions between economization phases
Best Suited For:
  • Data Center/Colocation/Hosting
  • Education
  • Government
  • Healthcare
  • Retail and Wholesale
  • Telecom
Warranty: One Year Limited Warranty Against Defects in Material and Workmanship

The Liebert® DSE Freecooling Solution provides high efficiency, water-free economization, maximum reliability, low maintenance and rapid scalability – all in highly flexible split-system configurations. Its pumped refrigerant economizer captures the most economization hours across the widest range of temperatures, compared to other similar systems. The Liebert® DSE packaged solution uses proven pumped refrigerant economizer technology that is deployed in more than 6,000 to 8,500 sites around the world. With a highly flexible design, the solution is available in configurations from 50kW to 265kW. 60kW, 400kW and 500kW capacities. Highly Flexible. The system provides split-system refrigerant economization with more than two dozens configurations for airflow, form factor and capacity. It can be deployed in perimeter, gallery and full-face discharge applications for raised floor and non-raised floor data centers. No Outside Air. The system’s pumped refrigerant technology separates outside air from data center air to eliminate cross-contamination or humidity transfer. Finely Tuned Controls. The system’s industry-leading Liebert® iCOM™ controls capture every available economization hour, with smooth, automated transitions. Advanced protection routines keep the system operating safely within thresholds. Automatic, multi-unit teamwork modes harmonize thermal management across the data center. Optimization routines reduce energy usage by up to 50% over previous versions. Onboard protocols make integration with building management systems easy. Easy Servicing. The Liebert® DSE has fewer moving parts than other economizer systems, reducing the likelihood of component downtime and maintenance. All components can be serviced from the back of the unit, allowing for more flexible installation options.

Air-cooled free-cooling system with water-free economization, a rapidly deployable configuration and advanced Liebert® iCOM™ thermal controls to optimize each unit and harmonize the operation of multiple units for temperature and airflow. Highly scalable and modular design accommodates changing IT loads and is ideal for upgrading outdated or inefficient cooling systems.

Model Specifications Overview
DA050, 50kW
166 [49]   166 [49]   7000   76 in   77 in   35 in   1590 lb  
DA080, 80kW
285 [84]   277 [81]   9600   76 in   100 in   35 in   2200 lb  
DA085, 85kW
307 [90]   297 [87]   10,400   76 in   100 in   35 in   2250 lb  
DA125, 125kW
443 [130]   443 [130]   18,000   94 in   144 in   47 in   3465 lb  
DA150, 150kW
563 [165]   542 [159]   18,000 (24,000 optional)   94 in   144 in   47 in   3574 lb  
DA165, 165kW
602 [177]   566 [166]   20,000 (24,000 optional)   94 in   144 in   47 in   3574 lb  
DA250, 250 kW
853 [250]   853 [250]   36,500   132 1/8 in   120 1/8 in   83 1/2 in   6285 lb  
DA265, 265 kW
905 [265]   905 [265]   36,500   134 1/8 in   120 1/8 in   83 1/2 in   6455 lb  

Benefits

Minimizes compressor use to maximize free cooling
Eliminates need for bringing outside air and contanimants into the data center
Eliminates water usage, no costly water treatment required
Auto-economization increases the number of free-cooling hours throughout the year
No dampers and louvers to maintain
Industry-best condenser efficiency
N+1 thermal redundancy
Capacity can easily be scaled without affecting the rest of the cooling infrastructure, while maintaining desired redundancy
Lower refrigerant charge than traditional DX systems

Features

Pumped Refrigerant Economizer
Advanced Thermal Controls
Microchannel Condenser
Independent Thermal System Design
 50-265kW capacities
 Downflow configurations (50 - 265 kW)
Upflow configurations (80 - 85 kW)
 
 

*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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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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