The model of a refrigeration system with refrigeration and freezing stage (AR-004) is part of the refrigeration and air-conditioning training system. In combination with the base unit, the operational model of a refrigeration system with refrigeration and freezing stage results. The model is plugged onto the base unit, secured using fasteners and connected with refrigerant hoses to become a complete refrigeration and freezing circuit.
- The model of a refrigeration system with refrigeration and freezing chamber is designed to be plugged into the Base Unit of Refrigeration (Not Included) to simulate a real refrigerator with freezing chamber.
- The refrigerator model is composed of inlet and outlet valves, solenoid valves, two expansion valves, two capillary tube, two refrigeration chamber and pressure regulator.
- Each refrigeration chamber includes: evaporator with fan (to recirculate the air) and heater to generate the cooling load.
- The refrigeration and freezing chambers are provided with a transparent front.
- The unit is provided with an adjustable evaporation pressure regulator.
- The expansion elements are selected via solenoid valves to be either expansion valve or capillary tube
- The operating modes of the system are configured via 7 solenoid valves.
- The sensors are used to record temperature and pressure at different measuring points.
- The model is connected to the base unit electrically by data cables and hydraulically by refrigerant hoses.
- After connecting the two units, the software of the Base Unit of Refrigeration can operates solenoid valves, fan, heater and fault simulation
- The software where can measure values of the sensors and observed it
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