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Cooling solution launched to enable greener data centres

Beatrice by Beatrice
July 13, 2022
in Cooling, Data Centres, Product
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ST Engineering has announced the launch of its new Airbitat DC Cooling System, marking its entry into the data centre cooling market. The Airbitat DC Cooling System delivers powerful pre-cooling for tropical data centres, achieving annual net energy savings of more than 20% over conventional chiller systems alone. This translates to annual energy savings of about $104 per kW of heat load.

Combined with existing chiller systems, the Airbitat DC Cooling System enables data centres to reach a targeted Power Usage Effectiveness (PUE) of below 1.3, backed by eight years of engineering and ST Engineering’s patented evaporative cooling technology. This performance represents a significant improvement over current regulatory requirements for data centres in Singapore, positioning it to meet more stringent standards for future data centre builds.

“Through re-engineering our established Airbitat solution for the data centre environment, we have successfully developed a sustainable solution that significantly cuts energy consumption while reducing carbon intensity. Its ability to be readily deployed in existing data centres presents an attractive option for operators who are looking for cost-effective solutions to lower energy consumption and achieve their sustainability targets,” says Gareth Tang, Head of Urban Environment Solutions at ST Engineering.

“With the exponential growth in compute-intensive applications and increasing data needs, the data centre industry is fast reaching its sustainability tipping point. We believe that the Airbitat DC Cooling System can help the industry address its most critical challenge today and support its growth in a more sustainable manner.”

Enabling greener data centres

Backed by extensive R&D, the Airbitat DC Cooling System comprises of a Dual Coil Computer Room Air Handler (CRAH) and a Deep Cooling Unit that’s powered by patented Reevac Deep Cooling technology. The Airbitat DC Cooling System works by pre-cooling the hot return air in the data hall to reduce over 40% of the heat load from the existing chiller system. This significantly reduces the overall energy requirements for cooling by more than 20%. Additionally, the Airbitat DC Cooling System does not generate waste heat into the environment as it does not use energy-intensive compressors, nor refrigerants. It also has lower water consumption requirements when compared to conventional water-cooled chiller systems.

The Airbitat DC Cooling System can operate under varied climate conditions ranging from hot and humid, to hot and dry environments. Its smart controls detect ambient psychrometric conditions and automatically adjusts its cooling modes in real-time for consistent energy efficient cooling. Additionally, its modular design and ability to scale on demand accommodates different data centre cooling requirements as well as structural and layout constraints, allowing for easy integration in both brownfield and greenfield developments.

The International Energy Agency estimates that the data centre industry currently uses around 1% of the world’s electricity, which could reach double digits by 2030. In Singapore, data centres accounted for 7% of Singapore’s electricity requirements in 2020. Over 40% of data centre energy needs are used for cooling, and data centres commonly utilise conventional water-cooled chiller systems which not only have high energy and water consumption requirements, but also release waste heat into the environment. With demand for data centre services set to heighten against the backdrop of climate change, more efficient and effective cooling technologies will be critical to ensure the sustainable growth of the industry.

Tags: AirbitascoolingData CentreselectricityengineeringproductsolutionST Engineeringsustainability
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