Condensing Units

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Ellis & Watts designs, qualifies, manufactures, and tests custom condensing units for comfort and process applications in mission-critical environments.

Unit configurations can include - CLICK TO SEE FULL LIST

  • air-cooled or water-cooled condensing
  • a variety of compressor technologies to optimize efficiency, reliability, and life-cycle cost objectives
  • analog, relay-based controls to address qualification, cyber security, or EMI/RFI concerns or digital control systems

Condensing units can be specifically engineered for - CLICK TO SEE FULL LIST

  • operation in extreme ambient temperatures
  • various materials of construction to optimize structural integrity, corrosion resistance, weight, and cost
  • seismically qualified per IEEE 344
  • environmentally qualified per IEEE 323
  • various power supply and controls options
  • hazardous duty applications (explosion proof)
  • EMI/RFI suppression and verifications testing
  • portable or mobile designs, including shock and vibration isolation
  • factory performance testing at full and part-load conditions to document compliance and assure proper operation
  • modular construction to address on-site transportation, rigging, and installation constraints

Ellis & Watts understands that some projects require strict code compliance and has the demonstrated ability to conform to the following codes, among others - CLICK TO SEE FULL LIST

  • ASME NQA-1
  • 10CFR50 Appendix B
  • Heat Exchangers to ASME Section VIII or ASME Section III
  • Coils (Refrigerant & Electric) to ASME AG-1 Section CA
  • Fans to ASME AG-1 Section BA
  • 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
  • Housing to ASME AG-1 Section HA
  • 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 air conditioning unit compliance requirements include - CLICK TO SEE FULL LIST

  • Asco NPP – Spain