PX011, 11kW

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The Liebert PDX direct expansion cooling system offers the industry’s highest efficiency, protection and capacity per footprint for server room cooling. network closets and other small spaces.


  • Desiged for small spaces, with Industry’s most compact footprintIndustry’s highest capacity per footprint
  • Advanced Liebert iCOM unit control monitors hundreds of component data points and provides automated routines for greater unit protection
  • Optional Liebert iCOM-S supervisory control for harmonizing multiple cooling units
  • Variable speed EC Fans
  • Hydrophilic slab coil
  • R410A refrigerant
  • Hot aisle / cold aisle configurations
  • Infrared and steam gen humidifiers
  • Electric reheat
  • All 60 Hz 3-phase voltages, including 575V


  • Significantly higher efficiency than legacy systems
  • Compliant with U.S. Department of Energy minimum efficiency standards for computer room air conditioners
  • EC fans reduce motor energy usage up to 80%, compared to standard AC motors. More efficient than centrifugal blowers even when operating at 100% fan speed.
  • Unique, floor-level air discharge reduces mix between hot and cold air, improving efficiency
  • Self-optimizing controls protect against adverse events, providing availability approaching 100%
  • No fan belts to maintain and replace

Specification Documentation


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