Liebert HPD dissipates heat coming from water-cooled direct expansion indoor units. Specifically designed for High Performance Air Conditioning (HPAC) applications, Liebert HPD outdoor units can operate with water or glycol mixture up to a 40% concentration. If connected to Liebert indoor freecooling units, they can take advantage of low external ambient temperatures to cool the room thus minimizing the use of compressors. The resulting energy savings can be up to 30% per year.
Modulating fan speed control with single set point or with double set point for freecooling operation, to switch between summer mode (compressors working) to winter mode (freecooling operation).
Hydraulic connections flange kits (for three-phase models, single-phase models are provided with threaded hydraulic connections).
Can be installed either horizontally or vertically, with simple operations to be done on site. BENEFITS
Equipped with heat exchangers made with oval copper tubes.
Design improves the heat exchanger capacity versus drycoolers with traditional coil geometries.
Liebert MC - Microchannel Condenser. The highly efficient Liebert MC unit directly communicates with the indoor units via the integrated iCOM Control, providing significant advantages in terms of condenser management. It can operate with PDX and CRV series.
Liebert HPC-W, Water-Cooled Chillers. HPC-W is a water-cooled chiller (600-2100kW) with fixed-speed screw compressors. The different sound emission versions offer the possibility to choose standard or unrivalled low noise level.