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A hybrid IT cooling system is very energy efficient

| By Chemical Engineering


The (LCP) DX/FC Hybrid liquid-cooling platform (photo) includes both a refrigerant circuit (DX = direct expansion) and a separate water circuit (CW = cold water). This means that the system can produce the required cooling output very efficiently in accordance with the external temperature. It is particularly effective for locations with low to moderate ambient temperatures, as it automatically makes use of indirect free cooling when outside temperatures are low. This is made possible by an external hybrid condenser with an integrated free cooler. The new LCP DX solutions for suite cooling have outputs of 20 and 35 kW and are suitable for small and mid-sized environments. Both devices are inverter-controlled and precisely control inlet-air temperature. — Rittal GmbH & Co. KG, Herborn, Germany