tekWorx Optimization Key to JCI Performance Contract Success

tekWorx modifications to the hospital’s hydronic configuration and integration of its adaptive control engine optimization solution allowed JCI to hit its PC targets without disrupting hospital operation.

Facility Bio

  • St. Petersburg, FL
  • 480 bed hospital
  • Four (4) York chillers
  • 2,400 tons installed cooling capacity

Situation

  • Traditional Primary- Secondary hydronic system
  • Plant piping configuration created low ΔT and high flow problems
  • JCI Metasys building automation system with standard sequence, no optimization
  • Frequent manual intervention required

Solution

  • Convert system to full variable flow
  • Reconfigure tertiary pumps to alleviate system pressure problems and eliminate wasted energy
  • Integrate supervisory Control Engine Optimization (CEO®) solution with Metasys system

Results That Exceed Client Expectations

Financial Savings

  • $125,000 in annual energy savings
  • 2.1-year payback

Energy Impact

  • >1,500,000 kWh saved annually
  • .40 kW/ton efficiency improvement

Operational Benefits

  • All major equipment remained in operation during commissioning
  • Remote access enabled better window into the system
  • Minimized manual operator intervention
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