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Precision Air Conditioning
Precision Cooling is a key requirement to ensure safe working conditions to datacenters, computer rooms andother equipment that simultaneously need a high sensible heat discharge and a precise temperature and humidity control.
Liebert HPM incorporates the whole experience of Emerson Network Power in a unique range of cabinet air coolers suitably designed to ensure performance and reliability.
Flexible solutions and low running costs add value to the IT facility.
 The product
Design
 Liebert HPM has been especially designed to achieve top reliability. All components have been sized for the lowest possible stress. Models have been rigorously tested before being launched on the market. The Liebert HPM range is Eurovent certified.
Monitoring
The Emerson Network Power Monitoring solutions ensure the best control on energy and air conditioning within IT facilities.Communication to all protocols (Modbus, Bacnet, Lonworks, HTTP and SNMP are just a few of the available ones) enables the integration both with the BMS system and with the facility software.
The iCOM control device handles the operation of the HPM units, using over twenty years of experience in the development of communication systems and controls.
The iCOM control is featured by a special control algorithm, ensuring top reliability under every condition. It directly connects with the facility network (Ethernet) and enables the communication among multiple HPM units for synchronized operations, guaranteeing top reliability and precise room control.
Teamwork
The HP Munit team work within the same room is available thanks to the integrated Ethernet connection. The self-control of redundant units alternates the stand-by positions and gives priority to possible hot areas.
EC fans
Variable speed fans achieve a wide range of air delivery and static pressure. They ensure a correct air distribution even when the facility expands. Further installed devices need a higher cooling capacity.
EC fans can increase the air delivery to meet the demand, thanks to the continuous regulation through the iCOM control. EC fans can even recover possible unexpected load losses due to new wiring or other elements inside the raised floor.
The special EC motors get the best performance vs. AC and DCmotors. They do not emit electromagnetic noises, as they do not use power delivered by frequency converters. Further, EC motors feature a consumption about 30% lower than the one by traditional AC motors.
Copeland Digital Scroll
Copeland Digital Scroll compressors combine the sturdiness of scroll compressors with the capacity of operating with varying load. When the traffic managed by the equipment faces sudden changes, the facility experiences thermal load peaks.
Copeland Digital Scroll compressors quickly follow the temperature and supply a load-balanced cooling capacity.
The Copeland Digital Scroll technology has no adverse effect on electronic equipment, unlike other solutions.
Thus, it can be used also in industries and sectors where sensible equipment - such as computers that must not be subject to any EMI - operate.
Efficiency
Cooling a computer room needs high power. Energy efficiency is the top target in Liebert HPM designing.
Over-sized heat exchangers and optimized aerodynamics allow one of the lowest energy consumption in the Precision Conditioning Cooling field.
Compactness
Liebert HPMunits take less space thanks to their reduced plan dimensions. The compact design still ensures the best performance thanks to fluido-dynamic analyses and several lab tests.
Free Cooling
Free cooling units minimize energy consumption. Working 365 days a year, they use the low winter temperature to cool the rooms, without using compressors.
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