• Case Study Icons-10

    Facility Bio

    • Pittsburgh, PA
    • High traffic, downtown Central Office
    • 550,000 ft² downtown facility totaling 20 floors
    • Three (3) McQuay constant speed chillers
    • 4,500 tons cooling capacity
    • Mission critical, 24/7 operations
  • Case Study Icons-08

    Situation

    • Major upgrade to chiller plant infrastructure
    • Upgrade could not disrupt Central Office traffic
    • Inadequate control redundancy for critical operation
    • Low ΔT and high kW/ton due to inefficient hydronic configuration and control sequence
  • Solution

    • Convert hydronic system to Variable-Primary configuration
    • Install redundant PLC-based Control Engine Optimization system(CEO®)
    • Integrate CEO® with Metasys building automation system

Results That Exceed Client Expectations

  • Financial Savings

    • $85,000 in annual energy savings
    • 2.3-year payback
  • Energy Impact

    •  1.3 million kWh saved annually
    • .36 kW/ton efficiency improvement
  • Operational Benefits

    • Control system upgraded to N+1 redundancy standard
    • Reduced troubleshooting response time

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