Chiller (Chilled Fluid) Units

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Ellis & Watts designs, qualifies, manufactures, and tests custom chillers to provide temperature controlled fluid for use in comfort and mission-critical environmental and process cooling applications.

Ellis & Watts Liquid Chillers can be designed for - CLICK TO SEE FULL LIST

  • air-cooled or water-cooled condensing
  • a wide variety of fluids with supply fluid temperatures down to -100F
  • analog, relay-based controls to address qualification, cyber security, or EMI/RFI concerns or digital control systems
  • a variety of compressor technologies to optimize efficiency, reliability, and life-cycle cost objectives
  • operation at ambient temperatures from -40F to +140F
  • various materials of construction to meet structural integrity, corrosion resistance, weight, and cost requirements
  • seismically qualification per IEEE 344
  • environmentally qualification per IEEE 323
  • various power supply, controls, and piping options
  • hazardous duty applications (explosion proof)
  • EMI/RFI suppression with verification testing
  • portable or mobile applications, including shock and vibration isolation
  • documented performance compliance and proper operation through factory testing at full and part-load conditions
  • transportation, rigging and installation constraints with modular construction

Complete units and components can be provided with compliance to - CLICK TO SEE FULL LIST

  • ASME AG-1
  • ASME NQA-1
  • IEEE 323, IEEE 334, and IEEE 344
  • 10CFR50 Appendix B
  • Heat Exchangers to ASME Section VIII or ASME Section III
  • Compressors to ASME AG-1 Section RA
  • Motors to ASME AG-1, IEEE 323, IEEE 334, IEEE 344, and NEMA MG-1
  • Motor wiring to IEEE 383
  • Motor insulation to IEEE 117
  • Instruments to ASME AG-1 Section IA
  • Compliance to IEEE 7-4.3.2 Standard Criteria for Digital Computers in Safety Systems of Nuclear Power Generating Stations
  • Compliance to IEEE 603 Standard Criteria for Safety Systems for Nuclear Power Generating Systems
  • Compliance to IEEE 1012 Standard for Software Verification and Validation

Past projects in which Ellis & Watts successfully met stringent liquid chilling compliance requirements include - CLICK TO SEE FULL LIST

  • US Navy
  • Westinghouse Electric Company AP-1000 System
  • Almaraz NPP – Spain
  • Lungmen NPP – Taiwan
  • MIT Deep Submergence Rescue Vehicle
  • NASA Viking Ground Support
  • F-14 Control System Electronic Shop
  • NASA Laser Cooler