Specification
[1] study of a refrigeration system with refrigeration and freezing chambers
[2] refrigeration circuit with compressor, condenser, capacity controller, start-up controller, combined pressure switch and 2 evaporators in insulated chambers
[3] each chamber with solenoid valve, thermostat, thermostatic expansion valve, fan and heat exchanger for refrigerant supercooling
[4] determination of cooling capacity to the condenser and evaporators
[5] simulation of more than 12 faults
[6] study of the thermodynamics cycle of enthalpy diagram and displayer PC Technical Data
Compressor
• refrigeration capacity: 1600…1800W at -10/50°C
• power consumption: 950…1000W
Condenser with fan
– air flow rate: 570…1700m3/h
- +ve cold chamber with evaporator exchange surface area: 1.1…1.4 m2
- -ve cold chamber with evaporator exchange surface: 1.6…1.9m2 -Electric defrost heater: 120…150W
-Capacity controller: 0.1…8bar
-Start-up controller: 0.1…8bar
-Thermostat: 2x -25…15°C
-Evaporation pressure controller: 0…6bar
Refrigerant R134a or equivalent
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