Automotive Air Conditioning Trainer

This after-market automotive trainer is designed to give students a working understanding of the components they will find on an automotive air conditioning system.

Single Speed Drive Motor (Model TU-103)


  • Standard aftermarket-type auto air conditioner:
    • mounted on simulated auto chassis with firewall and panel
    • modified to provide thermometer wells and pressure taps
    • modified to permit the addition of operating devices
  • Demonstrates installation and servicing
  • 2 HP electric fan drives compressor and condenser
  • 12 VDC power supply operates the compressor clutch and evaporator blowers


  • Refrigerant: HFC-134A
  • Electrical Requirements: 230 VAC, 1 phase

Variable Speed Drive Motor Add-On (Model TU-203)

Similar to above, but motor is mounted on a variable speed drive allowing an approximate speed ratio of 3 to 1.


  • Permits demonstration of operation at various engine speeds
  • Electric tachometer reads speeds of compressor mounted on a simulated instrument panel
  • Refrigerant flowmeter measures the refrigerant flow in pounds per minute and allows comparison of refrigerating effects at various motor speeds
  • Special purpose controls are installed to demonstrate different control systems


  • Refrigerant: HFC-134A
  • Overall Size: 35”W x 42”D x 43”H
  • Electrical Requirements: 230 VAC, 1 phase
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