Specification
[1] investigation of the operation of refrigeration and air conditioning systems by combining the base unit and models
[2] Demonstration and operation of selectable expansion elements: expansion valve, refrigeration chambers with transparent front , temperature and pressure sensor, solenoid valves, fan, heater and fault simulation via software
[3] demonstration of condensing unit consisting of compressor, condenser and receiver
[4] manometer for refrigerant with temperature scale
[5] system control via solenoid valves and data acquisition software with PC
Technical Data
Condensing unit
• refrigeration capacity: 400…470W
• power consumption: 250…370W Liquid receiver: 0.5…1L Refrigerant R134a or equivalent
– temperature: -20…100°C
– low pressure: -1…10bar
– high pressure: -1…30bar
Safety valve set at 16bar
Accessory:
a.Model of a Refrigeration System with Refrigeration and Freezing Stage Refrigeration chamber: LxWxH: 270x270x220mm
Electric heater as cooling load: 200…220W
Capillary tube: length 2m
Evaporation pressure controller: 0…8bar
– temperature: ±60°C
– pressure: -1…10bar
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