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Developed to provide an ultra-high efficiency solution that addresses the challenges of air handling unit (AHU) cooling, the AireFlow™ is capable of delivering 100% free-cooling under ASHRAE conditions with 32% reduction in air volume, saving fan power input.
With an achievable PUE below 1.1, the AireFlow™ delivers significant savings in annualised running costs, in addition to reduced water consumption, ease of installation and operation, and minimal footprint.
High efficiency EC (electronically commutated) fans deliver airflow across the adiabatic system and heat exchangers and are up to 70% more efficient at part-load than AC fans. Because the ambient air path is modulating, power input can be significantly reduced due to the large portion of the year spent at low fan speeds. The aluminium air-to-air heat exchanger significantly increases thermal conductivity over plastic or composites and allows heat transfer to occur without any mixing of indoor and outdoor air, preventing ingress of contaminants and eliminating the need for 100% mechanical or direct expansion (DX) back-up cooling.
Optional DX or Chilled Water (CW) cooling provides top-up concurrent cooling in locations and/or conditions where free-cooling cannot be achieved, in addition to redundancy. DX may be required under higher ambient temperatures where the suppressed ambient temperature is unable to deliver full adiabatic free-cooling or where a low supply air set point (for example 22°C) is required. The DX system also removes the need for separate water storage, saving footprint.
The optional integral fresh air inlet (patent pending) maintains data centre air pressure and air quality, removing the need for a separate AHU.
Airedale Managing Director, Clive Parkman said: “The first joint collaboration since bespoke AHU manufacturer Barkell joined the Airedale group of companies in 2014, last night’s award is a terrific vote of confidence in the expertise of our highly skilled team of people and our commitment to developing technologies that set the benchmark in terms of efficiency and resilience and provide best value for data centre owners.”
