Vapour Compression Refrigeration Trainer
Product Code : EL-RAACLE-10795
Quick Answer:
The Vapour Compression Refrigeration Trainer is a working refrigeration circuit built around a hermetic piston compressor, condenser, float-valve expansion valve, and evaporator, using the refrigerant SES36 at a low pressure level that permits the evaporator and condenser to be made of transparent glass for direct observation. A water circuit supplies the condenser cooling and the evaporator's cooling load, with cold and hot water flows and the refrigerant flow all adjustable, letting students check the refrigerant's aggregate state at a sight glass and watch the phase-transition process as it evaporates and condenses.
Overview:
This trainer represents a complete refrigeration circuit built from a hermetic piston compressor, condenser, expansion valve, and evaporator. In a vapour-compression refrigeration system, the refrigerant flows through this circuit and undergoes a series of changes of state as it is compressed, condensed, expanded, and evaporated. The evaporator and condenser are transparent, so the phase-transition process can be monitored directly during evaporation and condensation, and the operation of the float valve used as the expansion valve is also easy to observe. Before entering the evaporator, the aggregate state of the refrigerant can be checked at a sight glass.
A water circuit cools the condenser and supplies the cooling load for the evaporator, with the cold and hot water flows and the refrigerant flow independently adjustable. The trainer uses the refrigerant SES36, whose low pressure level permits the evaporator and condenser to be made of glass; the refrigerant itself is CFC-free and environmentally friendly. This setup demonstrates the physical effect at the heart of refrigeration: energy is required to transition the refrigerant from a liquid to a gaseous state, and this energy is drawn from the surrounding environment.
A water circuit cools the condenser and supplies the cooling load for the evaporator, with the cold and hot water flows and the refrigerant flow independently adjustable. The trainer uses the refrigerant SES36, whose low pressure level permits the evaporator and condenser to be made of glass; the refrigerant itself is CFC-free and environmentally friendly. This setup demonstrates the physical effect at the heart of refrigeration: energy is required to transition the refrigerant from a liquid to a gaseous state, and this energy is drawn from the surrounding environment.
FEATURES:
For better process monitoring the evaporator and condenser are of transparent design
Design and operation of a compression refrigeration system
Energy balances- calculation of the coefficient of performance
Represent and understand the refrigeration cycle in the log p-h diagram
SPECIFICATION:
Hermetic piston compressor :
Capacity: 18,3cm3
Evaporator capacity: approx. 2800mL
Condenser capacity: approx. 2800mL
Measuring ranges :
Temperature: 8x -20…200°C
Pressure: 2x -1…1,5bar
Flow rate (water): 2x 0…48L/h
Flow rate (refrigerant): 1x 0…700L/h
Power: 0…1200W
Required for operation :
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
DIMENSIONS AND WEIGHT:
L x W x H (approx.): 1200 x 800 x 1000 mm
Weight (approx.): 110 kg
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Last Updated: September 2026
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