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Stulz presents the CyberRack heat exchanger door

15 August 2017 | STULZ UK Ltd

Stulz presents the CyberRack heat exchanger door

Rack-based cooling with cooling capacity of up to 32 kW for server cabinets

With the CyberRack, Hamburg-based air conditioning specialist Stulz introduces their new chilled water rear door heat exchanger, with cooling capacity from 19 to 32kW across the range. The new system fits most 19" server cabinets, thanks to its individual adapter frame.

Hamburg, 3/XX/2017 - With the CyberRack Active Rear Door, Stulz is expanding its product portfolio for rack-based cooling systems. The heat exchanger door replaces the back panel of the rack, and its compact design enables the cooling of all server cabinets, including high-density systems, directly inside the data center. The space in the rack remains fully available for IT equipment. Since it increases the depth of the rack by less than 300 mm, the door can also be retrofitted in existing installations − no repositioning of server racks is needed. Two versions of this product are available, with a cooling capacity of 19 or 32 kW. Up to five EC fans ensure an optimum airflow. Thanks to its individual adapter frame, the CyberRack can be installed in all commonly available 19" cabinets. The frame models are available in heights of 42U and 48U, and widths of 600 mm and 800 mm.

The cooling capacity of the CyberRack is automatically adapted to the heat load of the servers. This is achieved either directly through continuous analysis of the measured temperatures, or indirectly via differential pressure control. Here, the speed of the CyberRack fans is adjusted in line with the airflow of the servers' own fans.

By mounting the heat exchanger door directly on the rack, the transfer of heat takes place inside the server cabinet − isolated from the ambient environment. This allows a considerably higher temperature on the air and chilled water side than in other room cooling systems, where the heat is first emitted into the room and then cooled.

Most of the cooling can be delivered by means of Free Cooling. Combined with a chiller such as the Stulz CyberCool 2, compressor cooling is only required to cover the peaks. This greatly increases the efficiency of the cooling system and achieves a long-term reduction in operating costs.

In addition to its use as a standalone solution, the CyberRack can also be used as an add-on for precision air conditioning systems with raised floor.

You can find further information on the Stulz CyberRack at https://www.stulz.de/de/cyberrack/.

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