York YT VersaDrive Modernization Case Study Facility: Suburban Class A Office Campus Located in Deerwood Jacksonville Upgrade Requirements: Modernize two 28 year old constant speed chillers to variable speed drive operation. Modernization Scope: Extend the overall life expectancy and provide customer cost savings thru effiency on two Chillers by performing chiller overhaul, replaceing control panel with MCS touchscreen panel, replacing constant speed starter with variable speed drive, replace R11 refrigerant with a more environmetally friendly R123. Process Results Scope included overhaul and motor work, replacing all existing wiring, installing new variable speed drive. Install all new external sensors. Full touch screen MCS controls display for improved

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