Product Family

Liebert® DSE Packaged Free-Cooling Solution, 400-500kW

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.

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

The Liebert DSE Outdoor Packaged Solution provides high efficiency, water-free economization, maximum reliability, low peak power, low maintenance and rapid scalability – all in a small-footprint package. 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 sites around the world. With a highly flexible design, the solution is available in perimeter and rooftop configurations in 400kW and 500kW capacities. The package integrates all cooling system components in a small-footprint. It ships as a single, pre-charged, and factory-tested unit for fast and easy deployment.

Model Specifications Overview
Liebert DSE Packaged Free-Cooling Solution, 400-500kW Rooftop Configuration
1,365 [400kW] to 1,706 [500kW]   Rooftop Bottom return/Bottom Supply (DP400R, DP500          
Liebert DSE Packaged Free-Cooling Solution, 400-500kW Perimeter Configuration
1,365 [400kW] to 1,706 [500kW]   Perimeter Front Return/Front Supply (DP400F, DP5          
Liebert DSE Packaged Free-Cooling Solution, 400-500kW Draw-Thru Rooftop Configuration
1,365 [400kW] to 1,706 [500kW]   Rooftop Draw-Thru Bottom Supply/Return DP400B/500B   160 in   157 in   264   25500, 26000lbs  

Benefits

Saves Money
High-efficiency, with an operational PUE under 1.2•High-efficiency, with an operational PUE under 1.2
Eliminates water usage, cost and treatment 
Low maximum kW to allow downsizing of backup generator capacity or more IT power for sale
No air leakage or volumetric displacement, eliminating the need for additional fan power or make-up air capacity
Highly efficient in low load / part load conditions
 Makes You Money
Rapidly scalable for faster deployment and time to market
Low operating costs for higher profitability
Lowers Your Risks
 Proven pumped refrigerant economization technology used in more than 4,000 installations worldwide
Multiple fans, DX circuits and other key components for ride-through
Simplifies Thermal Management
Advanced controls that automatically manage unit lead/lag, protect against coil freeze, maximize economization and other routine

Features

High capacity 400kW – 500kW
Highly efficient pumped refrigerant economizer
Advanced monitoring and control
Large condenser surface area to minimize operating and peak power
No dampers to service or outside air filters to replace
All components can be serviced from the end of the unit
Thermal break construction keeps air from leaking
3 airflow configurations
Perimeter or rooftop
deployments
Reduced weight and footprint

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[QA] Test Office Name Four
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Test Office Location Four Test Office Address Line 2 Four Texas USA
Product areas of focus: Uninterruptible Power Supplies (UPS), DC Power Systems, Industrial AC and DC Systems, Power Distribution, Power Transfer Switches, Wind Power, Emergency Lighting, Power Control and Monitoring, Thermal Management, Integrated Solutions, Outdoor Enclosures, Racks and Containment, Software, Monitoring, Control Room Infrastructure, Mobile Workstation, Medium Voltage Inverter, Desktop KVM and KM, IP KVM, Secure KVM, Serial Consoles and Gateways
[QA] Test Office Name One
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Test Office Location One Texas 75001 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), DC Power Systems, Industrial AC and DC Systems, Power Distribution, Power Transfer Switches, Wind Power, Emergency Lighting, Power Control and Monitoring, Thermal Management, Integrated Solutions, Outdoor Enclosures, Racks and Containment, Software, Monitoring
[QA] Test Office Name One corina test support
Test Office Location One Texas 75001 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), DC Power Systems, Industrial AC and DC Systems, Power Distribution, Power Transfer Switches, Wind Power, Emergency Lighting, Power Control and Monitoring, Thermal Management, Integrated Solutions, Outdoor Enclosures, Racks and Containment, Software, Monitoring

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