VERTIV Liebert PDX-PX Precision Control Air Conditioning Units, cooling capacity from 15 to 165 kW, vertical type, direct expansion (DX), suitable for Data Center applications and critical infrastructure areas. The units feature highly reliable Scroll compressors, electronic expansion valves and variable speed EC fans, ensuring high energy efficiency and precise control of operating conditions. They are available in Downflow, Upflow and Displacement Airflow configurations, providing flexibility to adapt to the requirements of each installation.