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Liebert DSE Free Cooling System, 50-165kW

The Liebert DSE is the industry's first pumped refrigerant economization system designed specifically for data centers. Ideal for companies seeking sustainable solutions, it provides up to 50% higher efficiency than traditional systems - and it uses no water. Its advanced controls automate economization to get the most free cooling in any environment.

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Adapté aux applications suivantes:
  • Government
  • Banking, Financial and Insurance
  • Broadcast and Entertainment
  • Data Center/Colocation/Hosting
  • Professional Services
  • Telecom
Garantie: One Year Limited Warranty Against Defects in Material and Workmanship

The Liebert DSE is a free cooling economization system with backup DX compressor, that achieves the industry’s highest efficiency operation – up to 50% more efficient than legacy technologies. The Liebert DSE system was recently approved by the State of California as a prescriptive option for economization under Title 24. The system includes several components – a pumped refrigerant economizer, a micro-channel condenser and an indoor CRAC unit. The system operates in free cooling or partial free cooling mode, depending upon outdoor temperatures. When criteria for economization are met, the compressors turn off and the refrigerant pump turns on to move the refrigerant through the system to reject the heat of the data center, using only a fraction of the power of a compressor. Automated economization, controlled by advanced Liebert iCOM controls, maximizes the number of free cooling hours by enabling economization whenever conditions warrant, even at night. It also eliminates the use of water. In contrast, a cooling system with a water economizer uses an average of 4 million gallons of water per year for a data center with an IT load of 1MW. Additionally, the Liebert DSE system protects against outside air contamination and reduces system wear and tear by eliminating air dampers and louvers. As a self-contained solution, Liebert DSE system is highly scalable. It also offers higher reliability than chilled water systems, because it does not use chillers, pumps, piping and other potential points of failure.

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.

Aperçu des caractéristiques techniques de modèle
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  

Avantages

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

Caractéristiques

Pumped Refrigerant Economizer
Advanced Thermal Controls
Microchannel Condenser
Independent Thermal System Design
 50-165kW capacities
 Upflow and downflow configurations (50kW unit with downflow only)
 
 

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