SR2009 9-refrigeration system with freezing chamber Vocational Education Equipment For School Lab Air Conditioner Trainer Equipment
Brand: ShouldShine
Model: SR2009
Learning Objectives / Experiments
- Design and components of a refrigeration system with 2 evaporators
- Components and their functions
* compressor, condenser, evaporator
* thermostatic expansion valve
* evaporation pressure controller
* pressure switch
* electric defrost heater
- Thermodynamics of the refrigeration cycle
* effect of refrigerant supercooling
* representation of the thermodynamic cycle
in the log p-h diagram
* Determination of important characteristic variables
* coefficient of performance
* refrigeration capacity
* compressor work
- Fault finding in refrigeration system components
Specification
[1] Investigation of a refrigeration system with refrigeration and freezing chambers
[2] Refrigeration circuit with compressor, condenser and 2 evaporators with thermostatic expansion valve and evaporation pressure controller
[3] Insulated freezing chamber with fan and electric defrost heater
[4] Insulated refrigeration chamber with evaporatio pressure controller
[5] Heat exchanger for refrigerant supercooling
[6] Individual or parallel operation of the chambers via solenoid valves
[7] Simulation of 18 faults
[8] LabVIEW software for data acquisition via USB under Windows XP or Windows Vista
[9] Refrigerant R134a, CFC-free
Technical Data
Compressor
- power consumption: 491W at 5/40°C
- refrigeration capacity: 1104W at 5/40°C
Condenser with fan
- air flow: 290m³/h
- transfer area: 1,5m²
Refrigeration chamber
- evaporator transfer area: 1,06m²
Freezing chamber
- evaporator transfer area: 2,42m²
- fan air flow: 135m³/h
- electric defrost heater: approx. 150W
Evaporation pressure controller: 0...5,5bar
Measuring ranges
- temperature: 12x -50...120°C
- pressure: 1x -1...15bar, 3x -1...9bar, 3x -1...24bar
- power: 0...1000W
- flow rate: 1,5...23,5L/h
Dimensions and Weight
LxWxH: 2000x670x1900mm
Weight: approx. 285kg
Connections
230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase
