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    Facility Bio

      • West Conshohocken, PA
      • Pharmaceutical R&D campus
      • Critical 24/7 operations
      • Nine (9) chillers, varying size & type
      • 10,600 tons cooling capacity
      • 1,200 ton free cooling HEX
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    Situation

    • Corporate “Climate Change” program identified savings and rebate opportunity
    • New utility contract estimated to increase rates ~50%
    • Constant flow hydronic design
    • Manual operation to meet current cooling load
  • Solution

    • Detailed implementation plan to maintain production
    • Convert to full variable flow
      • CHW pump VFDs
      • Modulating bypass valve
    • Evap valves for different chiller DPs
    • Condenser pump and cooling tower VFDs
    • Integrate PLC-based Control Engine Optimization® system

     

Results That Exceed Client Expectations

  • Financial Savings

    • $386,000 PECO utility rebate
    • $425,000 in annual energy savings
    • 4-year payback before rebate

     

     

     

    Save

  • Energy Impact

    • 5,130,000 kWh saved annually
    • .41 kW/ton efficiency improvement
  • Operational Benefits

    • Fully automated system
    • Staff free up for other tasks
    • Increased cooling reliability
    • Significantly lower system pressure cut AHU valve maintenance

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