Omaha Public Power District Energy Systems Lab (ESL) at UNL Energy Commissioning and Optimization (ECO 24/7 SM ) Case Study Facility: Gallup University – 1001 & 1003 Gallup Drive, Omaha, NE • Built in 2003 • 3-story (north) and 5-story (south) office and data center with 306,000ft 2 • Nine CAV and VAV AHUs • Two water-cooled chillers • Four gas-fired boilers • Modern DDC controls Energy Commissioning and Optimization Services (completed in October 2008) ? Optimized the chiller enable schedule ? Optimized hot water pump speed and temperature control ? Implemented ECO 24/7 SM Fan Airflow Station technology on all nine AHUs ? Integrated outside air control with return fan speed control ? Implemented ECO 24/7 SM Pump Flow Station technology for the chilled and co

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