ASR2044 Absorbtion Refrigeration System Vocational Training Equipment Refrigeration Lab Equipment
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
Dimensions and Weight
LxWxH: 750x450x750mm
Weight: approx. 47kg
Required for Operation
230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase;
Propane gas: 30…50mbar
