The chiller unit consumes a large portion of a building's energy. The following data will help in accessing the efficiency of the unit and provide a means to evaluate possible solutions.

Chiller Data[edit | edit source]

Chilling unit information required:

  • Chiller Type <-
  • Cooling Capacity (BTU/Hr)
  • Operating Schedule <-
  • Auxiliary Equipment (types, control, age)
  • Typical Usage (seasonal, etc.) <-
  • Chiller Controls (manual, automatic) <-
  • Control Sensors (type and location) <-
  • Pump Usage/Type (flow, pressure requirements)
  • Sump Heaters
  • Standard Chilled Water Temperature
  • Heat Rejection Fans
  • Minimum Condenser Temperature Limit
  • Maintenance Schedule (level of fouling, cleaning)
  • End-Use Devices (pressure requirements) <-
  • Refrigerant Charge Limits
  • Purge Units
  • Valve Types

(Equipment and Operation Guide, Pumps, Compressors, Refrigerant)

Note: Cooling storage methods may provide a means to reduce electricity consumption by utilizing cheaper electricity rate periods.

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Authors Connor Kemp
Published 2010
License CC-BY-SA-4.0
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