Using historical site data, ATS developed an estimate of savings based on the requirement that the facility use outside air for cooling when available. As part of a facilit圜ARE review, ATS verified what facility operators had long suspected - the economizers were not functioning optimally. SkySpark (is used in the ongoing ATS facilit圜ARE service that includes monthly reviews and analysis by ATS engineers. In 2015 ATS implemented facilit圜ARE, an ongoing commissioning and advanced analytics service to track equipment usage and highlight opportunities for operational improvement at the data center. The facility was not fully utilizing outside air for cooling, resulting in increased utility cost and unneeded equipment runtime. As a result, the economizers were not open during times with optimal “free cooling” conditions. In addition, over time, system modifications and one-off changes created conflicting overrides of the economizers. The original sequences focused on loading the plant and letting it run, which resulted in chillers operating more hours than needed. However, this “free cooling” only works when data center sequences and safeguards allow the equipment to utilize it.įacility staff at an international communication company’s Wenatchee data center realized they were not taking advantage of “free cooling” strategies once they began reviewing data from the ATS facilit圜ARE ongoing commissioning and advanced analytics service.ĪTS installed the control system at the data center in 2008 utilizing the sequences specified during construction. The mild climate allows for “free cooling” by utilizing air-side economizers to cool the data center with outside air instead of mechanical cooling for much of the year. The vast open landscapes, mild dry climate, and low power rate from hydropower attract many high-tech firms needing to locate off-site data centers. The area is also well suited for locating mission critical data centers. Located in central Washington state, Wenatchee is known for its apples, wide-open spaces, and its abundance of activities for outdoor recreation.
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