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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.


  • – 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 operation)
  • – 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 (TXV)
  • – 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 -30ºF to 100ºF furnished
  • – High pressure cutout in the circuit at all times to prevent damage to the compressor
  • – Includes Lab Manual and Instructor Guide


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


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