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Liebert EFC Indirect Evaporative Freecooling System, 400kW

The Liebert EFC Indirect Evaporative Freecooling System is a highly reliable and efficient cooling system for colocation, cloud hosting and other large data centers. It combines a highly efficient heat exchanger and advanced Liebert iCOM controls to help customers save money, reduce risks and simplify thermal management. The Liebert EFC achieves mechanical PUE levels as low as 1.03, provides a single footprint for rapid deployment and is a highly scalable solution.

Best Suited For:
  • Banking, Financial and Insurance
  • Data Center/Colocation/Hosting
  • Government
  • Healthcare
  • Telecom
Warranty: One Year Limited Warranty Against Defects in Material and Workmanship

The Liebert EFC Indirect Evaporative Freecooling Unit is equipped with advanced, industry leading technology, including an indirect air-to-air heat exchanger and evaporative cooling technology all in one footprint, ensuring maximum energy efficiency, ensuring fast deployment, rapid scalability and minimized operating costs.

Model Specifications Overview
Liebert EFC Indirect Evaporative Freecooling System, 400kW, Perimeter
160   216 3/8   156 3/4   23,000  
Liebert EFC Indirect Evaporative Freecooling System, 400kW, Rooftop
160 7/8   264 1/8   156 3/4   26,000  


Saves You Money
World’s most energy efficient heat exchanger, with an operational PUE as low as 1.03
Maximum annual hours of dry and wet economization per year, while minimizing annual water usage 
Low peak power to allow downsizing of backup generator capacity or make more IT power available for sale
Increased productivity through advanced controls and monitoring
Lowest operating costs for higher profitability
Lowers Your Risks
Multiple EC fans and DX circuits to ride through individual component failure
Recover unit cooling capacity quickly during power events
Rapidly scalable for faster deployment and time to market
Ensures complete separation of air streams preventing any contamination and humidity infiltration 
Makes Management Easier
Advanced controls that leverage unit and system monitoring intelligence
Built-in routines for optimizing operations based on the cost of water and cost of energy for the most cost-effective performance.
Controls algorithms automatically manage unit lead/lag, protect against coil freeze, manage compressor utilization, maximize economization and perform other business-critical functions
Reduced maintenance burden through automated economization and having fewer moving parts than other technologies such as heat wheels



 High efficiency heat exchanger providing up to 1 degree F approach to wet bulb temperature
Low peak power
Dry-mode effectiveness of 85%
Heat exchanger air leakage of just 0.1% - one-tenth that of heat wheels
Integrated controls with advanced communications and algorithms for self-healing protective routines and multi-unit teamwork efficiency
 Quick restart options in event of a power outage
Low maintenance design and operation
Single footprint
Optional DX trim for additional capacity

*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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Products Support Contacts

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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