TU-100 Basic Refrigeration Trainer

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This training unit demonstrates domestic refrigerator and freezers, self-contained air conditioning units and reverse cycle or heat pump systems.


  • 1/3 HP hermetically sealed reciprocating compressor Trainer operates on HFC 134A refrigerant
  • Panels are 1⁄4″ thick HDPE with steel reinforced component shelf
  • Uses HFC 134A refrigerant
  • Electrical requirements: 120VAC; 50/60 Hz; 10A
  • Overall size: 36”W x 18”D x 73”H


  • Sight glass tubes at inlet and outlet of evaporator and condenser constructed of explosion-proof, tie-bolt design
  • Drip pans with drains located under each evaporator and condenser
  • Uses popular, brand name components
  • Color-coded valves, gauges, and hand valves to bypass various components and change from cooling to heating (heat pump
  • Conditions of refrigerant and oil can be observed under various methods of operation
  • Pressure gauges located at each point in which pressure variation is likely to occur
  • Refrigerant flow to evaporator metered either by capillary tube, automatic expansion valve (AXV), or thermostatic expansion valve
  • Evaporator and condenser copper tube coils with aluminum fins and variable speed fans
  • A combination low pressure control and high pressure cutout and a thermostatic control with a range of –30°F to 100°F furnished
  • High pressure cutout in the circuit at all times to prevent damage to the compressor
  • Includes Lab Manual and Instructor Guide
  • Includes iManifold Kit for full diagnostic testing and troubleshooting of system components