TU-155 Industrial Refrigeration Trainer

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This trainer enables students to learn principles of commercial and industrial refrigeration systems.


  • Utility Requirements: city water, drain to water, and means of venting water tower
  • Electrical Requirements: Single phase, 240VAC, 60 Hz, 40A (115 VAC, 60 Hz for water tower)
  • Overall Size: 100” L x 27” W x 74” H
  • Water Tower: 60 Hz, single phase, 60,000 BTU/hour.


  • Trainer: Self-contained and freestanding with storage space underneath
  • Compressor: Semi-hermetic type with 2 HP capacity
  • Crankcase heater with automatic control system
  • 2 forced air type evaporators have 2 common types of defrost mechanisms complete with solenoids, timers, and associated equipment
  • 2 standard types of water cooled condensers (tube-in-tube and shell-in-tube) are supplied and piped to be used with city water and optional water tower
  • Hot gas by-pass system keeps operating pressures of the compressor constant regardless of the evaporator level
  • Crankcase pressure regulator allows the compressor to start easily under high evaporator pressures
  • Includes Instructor Guide