Trainer for the study of a commercial multiple evaporator refrigerator

DEV-M/EV

The trainer, properly designed for educational aims, allows the student to study the operation of a commercial refrigerator with two evaporators, one hermetic compressor and one air condenser.

Training program

  • Plant starting and verification of the safety devices intervention
  • Study of the operation of a thermostatic expansion valve
  • ON/OFF control
  • Analysis of the system behaviour at variation of:
    • Number of evaporators
    • Condenser / evaporators air flow
    • Thermostatic valves superheat
  • Drawing the cycle in the pressure – enthalpy diagram of the refrigerant gas
  • Data collection and calculation of:
    • thermal balances at the evaporators, condenser, compressor
    • refrigerant mass flow
    • ideal and real EER
    • compressor volumetric efficiency
    • thermostatic valve superheat

Technical specifications
Supply with
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