SR2005 5-compression refrigeration system Vocational Education Equipment For School Lab
Brand: ShouldShine
Model: SR2005
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 R134a, 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
