Rear mount cooling units

The rear mount cooling units are designed for cooling of very high thermal loads that are typical for modern data centers and server rooms. The range includes cooling units with cooling output up to 18 kW. The cooling units' architecture offers two versions - a closed air circuit and an open air circuit.

Architecture with an open air circuit
The rear mount cooling unit with open circuit is suitable for application in data centres with traditional arrangement, i.e. with identical orientation of all racks in a data center. After passing through a rack, the air is cooled and it passes to another corridor where it is sucked by the next racks row.

Architecture with a closed air circuit
The rear mount cooling units with a closed circuit are ideal for cooling of hot spots - extremely hot local points in rack vicinity. Therefore, they can be used not only in newly established data centers, but in older centres as well, where increased output of the equipment installed results in a problem concerning sufficient cooling of hot spots.

• Cooling output up to 18 kW means that the cooling unit is able to cool down the resulting thermal load to a significantly lower level and ensure thus efficient cooling of the racks vicinity
• Available in two versions: Direct eXpansion (DX) with direct coolant evaporation and Chilled Water for connection to the central chilled water system
• Electronic control panel allows the cooled air flow control (microprocessor) which allows maintainance of the optimum cooling level that ensures adequate climate in the rack vicinity.
• Each of the DX units must be connected to a separate external condensing unit by the coolant piping
• Water-cooled units are connected to the cooled water distribution system with a thermal gradient of 12 / 18°C (usually, the distribution systems are under the raised floor)

The rear mount cooling units with open architecture are compatible with free-standing racks of the ROF, RHF, RDF and RMF series. Compatibility of the rear mount cooling units with closed architecture will be communicated upon request.

In order to provide remote monitoring and a possibility of alarm status information, we recommend combining the rear mount cooling unit with a racks monitoring system. More information can be found here:

• Racks monitoring system