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Product Family

Liebert PCW Compact Chilled Water Cooling System, 11-29kW

Liebert PCW chilled water data center cooling system offers the industry’s highest efficiency, protection and capacity per footprint for server room cooling. network closets and other small space air conditioning.

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Best Suited For:
  • Banking, Financial and Insurance
Warranty: One Year Limited Warranty Against Defects in Material and Workmanship

The Liebert PCW is highly configurable and available in a wide range of capacities. The units feature variable speed EC fans that reduce motor energy usage by 10-30%, compared to standard AC motors, and are more efficient than centrifugal blowers even when operating at 100% fan speed. The units feature motorized control valves that control water flow and are managed by the Liebert iCOM unit control to maintain the desired cooling capacity. The Liebert PCW offers unique, floor-level air discharge that reduces the mixing of hot and cold air to improve efficiency. Downflow models provide front, left side and right side discharge and upflow models provide front and rear return options.

Model Specifications Overview
PW011, 11kW
37.5 [11]   38 [11.1]   2000   77 9/16   34 1/2   34 5/8   575  
PW017, 17kW
58 [17]   54.3 [15.9]   3500   77 9/16   34 1/2   34 5/8   600  
PW029, 29kW
98.9 [29]   90.5 [26.5]   4800   77 9/16   34 1/2   34 5/8   650  


Significantly higher efficiency than legacy systems
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


Desiged for small spaces, with Industry’s most compact footprint
Industry’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 
Hot aisle / cold aisle configurations
Infrared and steam gen humidifiers
Electric reheat
All 60 Hz 3-phase voltages, including 575V

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Products Support Contacts

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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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