■Technical Description
1. The possibility of the experiment on temperature, pressure, defrosting auto control of 
automatic pressure control device and mechanical trouble
2. A check of change of the refrigeration system according to expansion valve’s shape and function  with connecting expansion valve of other types
3. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
4. Theoretical education of efficiency test and experiment while operating
5. 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
6. The control department is made up of visual lamps separated system from machine department
7. Automatic control with graphic panel and two automatic control modules
8. Data formation by data auto-saving and P-I diagram auto-operation in the system with control program

■Experiments(Study objectives)
- Fitting refrigerant in freezing system trainer
- Vacuum test in freezing system trainer
- Leak test in freezing system trainer
- Troubleshooting at refrigeration machine in freezing system trainer
- Troubleshooting at electric circuit
- Fitting electric circuits in freezing system trainer
- Refrigeration effect as ratio of the expansion V/V in freezing system trainer
- Temperature control at evaporator in freezing system trainer
- Temperature control at condenser in freezing system trainer
- Pressure control at low side in freezing system trainer
- Pressure control at high side in freezing system trainer
  Pump-down operation in freezing system trainer
  Defrosting operation

■Specifications
- Compressor : 1/2HP,
- Condenser : Air-cooled type
- Evaporator: pin, Tube air-cooled type
- Evaporator chamber, damper 320*350*500, damper
- Expansion Valve : manual type 1ea capillary tube type 1ea
- 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(7ea): -40℃~100℃
- Pressure switch range:
  Low side: 0bar~5bar
  High side: 5bar~30bar

■Dimensions and weight
- Size(LxWxH):  1600x730x1720mm
- Weight: 180kg

■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