ET 450 Vehicle Air Conditioning Didactic Equipment Vocational Education Equipment Refrigeration Training Equipment
Vehicle air conditioning system for cooling the vehicle interior; use of typical components from automotive technology Features - typical vehicle air conditioning system for cooling the vehicle interior - use of components from automotive technology - simulation of eight system faults Learning objectives/experiments - principle of operation, design and handling of a vehicle air conditioning system - detection of typical faults and repair of a faulty air conditioning system -- simulation of 8 system faults - typical components of a refrigeration system - refrigeration circuit as thermodynamic cycle -- log p-h diagram -- determine the coefficient of performance of the system -- determine the compressor pressure ratio Specification [1] investigation of a typical vehicle air conditioning system for cooling the vehicle interior [2] compression refrigeration system with compressor, condenser, filter/drier, expansion valve and evaporator [3] electric motor with variable speed as compressor drive [4] condenser with fan [5] evaporator as air cooler with three-stage fan [6] compressor drive via V-belt and magnetic coupling [7] simulation of 8 faults via buttons in the connectable box [8] system is switched on via ignition lock [9] display of temperatures, pressures (refrigerant), flow rate (refrigerant), pick-up current, speed [10] refrigerant R513A, GWP: 631 [11] air conditioning system voltage supply: 12VDC Technical data Electric motor - rotary current motor - variable speed via frequency converter: 500...3000min-1 - power: 4kW at 3000min-1 Axial piston compressor - refrigeration capacity: approx. 3kW at 3000min-1 Condenser: capacity: 6,6kW Evaporator: capacity: 5,3kW Refrigerant - R513A - GWP: 631 - filling volume: 800g - CO2-equivalent: 0,5t Measuring ranges - temperature: 4x -100...100°C - flow rate: (R513A): 10...95L/h - pressure: -1...9bar / -1...24bar - speed: 0...3000min-1 - current: 0...10A 400V, 50Hz, 3 phases 400V, 60Hz, 3 phases; 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 1210x800x1520mm Weight: approx. 185kg
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