27-Airedale International Air Conditioning Ltd Air cooling systems water cooling system News 100707

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Airedale International Air Conditioning Ltd - LogiCool Direct rack cooling solution

LogiCool, a new generation of modular, free-cooling, R410A chillers has been launched by Airedale to provide an expandable, energy efficient solution for cooling the increasing heat loads of high density servers.
Designed to supply chilled water directly to a rack-mounted air/water heat exchanger, LogiCool can also be matched with other direct rack cooling solutions from leading rack producers and be linked to Airedale and other manufacturers’ airside cooling systems in business critical technical areas.
An integrated, ‘simultaneous mechanical and free-cooling’ solution and innovative digital scroll compressor technology contribute significantly to LogiCool’s ability to reduce whole life cycle costs.
Continuous system operation and the temperatures of a server environment in relation to the outdoor temperature, allow LogiCool to operate in free-cooling mode most of the time. The free-cooling operates with as little as 1ºC differential between ambient and return fluid temperatures. With 0-100% free-cooling capability, LogiCool will always use free-cooling first before initiating mechanical top-up, giving substantial energy savings throughout the year. When mechanical cooling is required, LogiCool has excellent EER, ESEER and FSEER* values (up to 2.6, 3.0 and 4.2 respectively). Add to this the ability of LogiCool to self-optimise and the very large surface area cooling coils which lengthen the periods of free-cooling, and LogiCool typically saves more than 45%** of the energy consumed by a conventional chiller.
Tandem digital scroll compressor technology combined with advanced AireTronix controls technology and electronic expansion valves offer full modulating control of the unit DX capacity, achieving unmatched part load efficiencies. Cleverly-designed axial fans using latest EC technology give increased performance at reduced power input.
Available in 20kW and 40kW cooling modules, with a single DX circuit, LogiCool is configured for outside installation, thereby freeing up valuable indoor space. Its compact footprint (from 1.5m²) and modular design allow close, side-by-side positioning. Additional chillers can be designed in and simply added on as cooling load increases. LogiCool offers flexible, multi-rack cooling by an individual unit or by a number of units with run/standby and optional sequencing capability.
All refrigeration and water components have been ingeniously contained within an acoustically-lined, fully-enclosed section away from the unit air flow. LogiCool is supplied ready to connect, with front access, easily removable panels and lift-up control panel facilitating commissioning and maintenance.
* FSEER (Free-cooling Seasonal Energy Efficiency Ratio) is an Airedale rating based on the part load efficiency of LogiCool over a year and incorporates the benefits of free-cooling.
** Based on Met. Office average ambient figures for London, UK at fluid temperatures 10/15ºC, 20% ethylene glycol.

Email: marketing@airedale.com

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