SR2037 Refrigeration Circuit With Variable Load Equipment Educational Technology School Equipment Training Air Conditioner Trainer Learning Objectives / Experiments - design and components of a refrigeration system * compressor * condenser * thermostatic expansion valve * evaporator * pressure switch - representation of the thermodynamic cycle in thelog p-h diagram - determination of important characteristic variables * coefficient of performance * refrigeration capacity * compressor work - operating behaviour under load Specification [1] investigation of a refrigeration circuit with watercircuit as load [2] refrigeration circuit with compressor, condenserwith fan, thermostatic expansion valve and coaxial coilheat exchanger as evaporator [3] water circuit with pump, tank with heater as coolingload at the evaporator [4] heater with controller to adjust the tank temperature [5] record of all relevant measured values and displaydirectly at the location ofmeasurement [6] LabVIEW software for data acquisition via USBunder Windows XP or Windows Vista [7] refrigerant R134a, CFC-free Technical Data Compressor - refrigeration capacity: approx. 380W at 5/40°C Evaporator - refrigerant volume: 0.4L - water volume: 0.8L Condenser - transfer area: approx. 0.175m² - fan power consumption: 2x 29W Pump - max. flow rate: 1.9m³/h - max. head: 1.4m Tank - volume: approx. 4.5L - heater: approx. 450W Measuring ranges - pressure: 2x -1...15bar - compressor power: 1x 0...600W - temperature: 6x 0...100°C - flow rate (water): 1x 0.05...1.8L/min Dimensions and Weight LxWxH: 1400x560x1800mm Weight: approx. 120kg Connections 230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase
