1. Semi-hermetic compressor, refrigeration capacity : 2140 W (+5°C/45°C) equipped with anti-vibration piping and two service valves 2. R134a low pressure gauge with dual temperature/pressure scale at compressor suction 3. HLP dual pressure switch (LP regulation-HP safety) 4. R134a high pressure gauge with dual temperature/pressure scale at compressor discharge 5. Safety valve rated at 16 bar 6. Oil separator with sight glass on the compressor return line 7. Air condenser 8. Pressostatic inverter for high pressure regulation 9. Condenser input and output liquid sight glasses 10. Steel liquid receiver with service valve volume 1.5L 11. Filter dehydrator and fluid sight glass on the liquid line 12. Mono tubular liquid/vapor exchanger 13. Evaporator line N°1 composed of: -A control solenoid valve -A refrigerant flow meter 7.5 to 65kg/h -A thermostatic expansion valve with internal pressure equalization -A low-pressure gauge R134a with double temperature/pressure scale at the inlet of the evaporator -a fluid sight glass at the input of the evaporator -a forced ventilation evaporator (410W for dT=10K) -a fluid sight glass at the outlet of the evaporator 14. Evaporator line N°2 composed of: -A control solenoid valve
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A refrigerant flow meter 7.5 to 65kg/h -A thermostatic expansion valve with internal pressure equalization -a capillary expansion valve -a constant pressure expansion valve -a faulty constant pressure expansion valve -A low-pressure gauge R134a with double temperature/pressure scale at the inlet of the evaporator -a fluid sight glass at the inlet of the evaporator -a forced ventilation evaporator (410W for dT=10K) -a fluid sight glass at the outlet of the evaporator -a evaporator pressure regulator -a box simulating a cold room with thermostat 1. An accumulator (volume: 2.3L) 2. An R134a low-pressure gauge with dual temperature/pressure scale at the outlet of the evaporators 3. A set of manual valves to create fluidic failures detailed in educational applications 4. An electrical power supply cabinet comprising: -mandatory protective elements (emergency stop, general disconnector, differential circuit breaker) - circuit breakers and relays necessary for operation -a touch screen for the simulation of failures -3 control modes (thermostatic, pressostatic and pump down) 5. The trainer is supplied with a portable thermometer, two thermocouple wired probes and a contact probe. The trainer is supplied with a removable bin for condensate collection. |
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