ASR2039 Compression Refrigeration System Educational Equipment Air Conditioner Training Equipment
Learning Objectives / Experiments
– function and operational behaviour of the refrigeration circuit components
– operation with expansion valve or with capillary tubes of different lengths
– underfilling or overfilling with refrigerant
– thermodynamic cycle in the log p-h diagram
– calculate the refrigeration capacity from the log p-h diagram and in comparison with
* the measured values
* calculate the coefficient of performance
* calculate the efficiency of the compressor
Specification
[1] investigation of a refrigeration system with different expansion elements
[2] refrigeration circuit consisting of a hermetic compressor, condenser, evaporator and expansion element
[3] transparent finned tube heat exchangers as condenser and evaporator to observe the phase transitions of the refrigerant
[4] expansion valve and capillary tubes of different lengths as expansion elements
[5] receiver for underfilling/overfilling the system with refrigerant
[6] sensors record pressure and temperature
[7] compressor equipped with two pressure switches
[8] LabVIEW software for data acquisition via USB under Windows XP or Windows Vista
[9] refrigerant AR134a, CFC-free
Technical Data
Compressor
– power consumption: 213W at 7,2°/32°C
– refrigeration capacity: 372W at 7,2/32°C
Condenser and evaporator with fan
– max. air flow condenser: 300m³/h
– max. air flow evaporator: 180m³/h
Capillary tubes: 1,5m, 3m, 6m
Receiver for refrigerant: 1,3L
Measuring ranges
– pressure: -1…9bar / -1…24bar
– temperature: 4x -40…150°C, 1x -100…100°C
– flow rate: 2…18m³/h
– electric power consumption: 0…1.000W
Dimensions and Weight
LxWxH: 1.730x790x1.760mm
Weight: approx. 150kg
Connections
230V, 50Hz, 1 phase or 120V, 60Hz/CSA, 1 phase
