ET 480 Absorption Refrigeration System Didactic Equipment Vocational Training Equipment Refrigeration Training Equipment
Thermally driven refrigeration system without compressor that can be heated with either gas or electrically Features - model of an absorption refrigeration system - boiler operated alternatively by gas or electrically - adjustable heating at the evaporator serves as cooling load Learning objectives/experiments - demonstrate the basic principle of an absorption refrigeration system - absorption refrigeration system and its main components - operating behaviour under load Specification [1] operation of an absorption refrigeration system [2] main system components: evaporator, absorber, boiler with bubble pump, condenser [3] ammonia-water solution as working medium, hydrogen as auxiliary gas [4] boiler to separate ammonia [5] bubble pump for transportation in the circuit [6] adjustable electrical heater at the evaporator serves as cooling load [7] boiler is alternatively heated by electrical heater or gas burner [8] piezoelectric igniter for gas operation [9] digital displays for temperature and power Technical data Working medium: ammonia-water solution Auxiliary gas: hydrogen Electric heater: 125W Gas burner, adjustable: propane gas Evaporator heater, adjustable: 50W Measuring ranges - temperature: 4x -80...180°C - power: 0...150W 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 750x450x750mm Weight: approx. 47kg
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