■Technical Description
1. The possibility of the experiment on temperature, pressure, automatic control and   mechanical trouble using cascade refrigeration
2. The comprehension of refrigeration system with an extremely low temperature 
3. The experiment on cycle change of refrigeration equipment according to temperature and  Mollier diagram drawing in P-I diagram drawing part.
4. Low temperature side's evaporator is range of between -50℃ and -70℃
5. Theoretical education of a fundamental circuit, application circuit and experiment by cascade refrigeration system
6. The sequence screen attached to the graphic module control department and power automatic control machine for experiment on temperature, pressure and automatic control and operation
7. Transparent accessories to observe refrigerant state or flow and principle of accessories
8. The control department is made up of visual lamps separated system from machine  department
9. Automatic control with graphic panel and two automatic control modules
10. Data formation by data auto-saving and P-I diagram auto-operation in the system with control program

■Experiments(Study objectives)
- Fitting refrigerant Trainer
- Vacuum test Trainer
- Leak test Trainer
- Troubleshooting binary refrigeration system machine
- Troubleshooting at electric circuit Trainer
- Fitting electric circuits for binary refrigeration system Trainer
- Refrigeration effect as ratio of the expansion V/V in binary refrigeration  system Trainer
- Temperature control at evaporator
- Temperature control at condenser
- Pressure control at low side
- Pressure control at high side
  Understanding a cascade principle
  Component understanding of binary refrigeration system Trainer
  COP calculation for binary refrigeration system Trainer

■Specifications
- Compressor : 1HP, 2ea
- Condenser : Air-cooled type
- Evaporator: Tube Air-cooled type
- Cascade: plate type heat exchanger
- Expansion Valve : manual type
  Capillary tube type
- Liquid receiver : 1/2HP
- Accumulator  : 1HP
- Electronic valve : 3/8" nut clamp type
- Manometer
- fitting nipple
- Sight Glass
- Electric control module: DC24V
- Graphic module: digital DC24V
- Thermostat range: -50℃~100℃
- Pressure switch range:
  Low side: 0bar~5bar
  High side: 5bar~30bar

■Dimensions and weight
- Size(LxWxH):  1600x730x1720mm
- Weight: 200kg

■Including
- Electric control module
- Graphic module
- Refrigeration Machine module
- Banana jack: 20 each of black and red
- User manual book

■Option
- Transparency condenser
- Transparency accumulator
- Data acquisition module (MSR1000)
- Computer Monitoring program S/W (MSM1000)
- Control program S/W aid computer
- Refrigeration simulation training
  program S/W
- BLDC compressor