Capacity Control and Faults in Refrigeration Systems Vocational Training Equipment Refrigeration Training Equipment

Description

AF242-14 Capacity Control and Faults in Refrigeration Systems Vocational Training Equipment Refrigeration Training Equipment

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