ASR20281 Refrigerator Model Didactic Equipment Air Conditioner Training Equipment
Learning Objectives / Experiments
– Understand and get familiar with the design and operation of a simple refrigeration system
– Familiarisation with the principle of operation of an evaporator
– Different expansion elements
* operation with capillary tube
* operation with expansion valve
– Operating behaviour under load
– Refrigeration cycle in the log p-h diagram
– Fault simulation
Specification
[1] Model of a refrigerator to plug onto the base unit
[2] training system with HSI technology
[3] Refrigeration chamber with evaporator, fan and cooling load
[4] Chamber with transparent front
[5] Electric heater to generate the cooling load
[6] Expansion elements selectable via solenoid valves: expansion valve or capillary tube
[7] Sensors to record temperature and pressure
[8] Solenoid valves, fan, heater and fault simulation controlled via the software
Technical Data
Refrigeration chamber: l x w x h: 270x270x220mm
Electric PTC heater as cooling load: 210W
Capillary tube: length 2m
Measuring ranges- temperature: 3x -50…50°C- pressure: -1…9bar
Dimensions and Weight l x w x h: 850 x 380 x 550 mmWeight: approx. 30 kg
