Johnson Controls Case Studies Business Continuity and Energy Savings of Primary Data Centre

Business Continuity and Energy Savings of Primary Data Centre

Johnson Controls
Business Continuity and Energy Savings of Primary Data Centre
Equipment & Machinery
Maintenance
Building Energy Management

Ericsson required a new chiller solution to replace the three outdated Trane chillers that supplied the data centre’s cooling. For the new retrofit, the company needed a solution with tangible results, high reliability, as well as a centralized support and no downtime during the project.

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Ericsson, a Swedish company founded in 1876, is a world leading company in the rapidly changing environment of communications technology – providing equipment, software and services to mobile and fixed network operators. 40 percent of global mobile traffic runs through networks supplied by Ericsson, and the company manages networks that serve more than 1 billion subscribers globally every day. With more than 35,000 granted patents, they have one of the industry’s strongest patent portfolios.

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As technology is upgraded continuously, the load profile of a data centre evolves. To get clear insight into the requirements of the Athlone site, Johnson Controls performed a detailed energy audit, taking into account future demands. Thanks to the audit, Johnson Controls calculated the baseline of the cooling requirements and delivered a reliable prediction on true energy savings. It allowed them to propose a total turnkey solution centered around the YVAA high efficiency chiller and the plus dry-cooler. This solution supported by the elaborated results of the survey, convinced Ericsson to assign the project to Johnson Controls. In November 2013, Johnson Controls started the implementation of two YVAA chillers and one dry cooler, 600kW each, with one chiller serving as back-up. Thanks to this back-up chiller, Ericsson can do loose maintenance on either machine without any disruption. The Building Management System (BMS) was also upgraded to ensure full-automated control of the cooling system. Another advantage is that the BMS allows the measurement of energy savings and performance in real-time. To centralize the support and coordination of the project, Johnson Controls assigned a dedicated project manager to the project. Thus facilitating the communication and on-site support with Ericsson and allowing short response time in case of emergency, now and in the future.

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Electricity Meters, Cooling Meters
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Mature (technology has been on the market for > 5 years)
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[Cost Reduction - Energy]
After leading a detailed energy survey, Johnson Controls replaced the refrigeration solution, which resulted in higher reliability and significant energy savings.

The dry-cooler can take the anytime full load ambient temperature to 9°C and below and provides partial cooling when temperature is above 9°C ambient conditions.

During the winter months, Ericsson is achieving a coefficient of performance (COP) of 30, delivering 30kW of cooling for every 1kW of electricity consumed. Even before the project was finalized in December 2013, the customer had already noticed significant energy savings.

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