Close Coupled Air Conditioners
Vertiv™ Liebert® PDX and PCW
Compact perimeter cooling systems: Liebert PDX (direct expansion) and Liebert PCW (chilled water), 11–29kW.
Solution overview
Compact perimeter cooling that lowers operating cost without giving up capacity per footprint
Liebert® PDX and Liebert® PCW are compact perimeter cooling solutions that let you achieve the highest efficiency and protection with low capital, installation and maintenance costs, replacing the older Liebert Challenger 3000 data center cooling system.
PDX runs as a direct expansion system; PCW as a chilled water system. Both are available air-cooled, water/glycol-cooled or with glycol free-cooling, in upflow, downflow, front and side discharge configurations.
- Liebert PDX (direct expansion) and Liebert PCW (chilled water), 11kW, 18kW, 23kW and 29kW capacities
- Net capacity per footprint of up to 3.6kW per square foot — the industry's most compact footprint
- DX configuration 25% more efficient, chilled water configuration more than twice as efficient, than the industry-standard Liebert Challenger 3000
- High-efficiency EC fans, hydrophilic slab coil, Liebert® iCOM™-S unit control
- Compliant with U.S. Department of Energy minimum efficiency standards for data center equipment
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