? Feature ?
? The possibility of the experiment on temperature, pressure, defrosting automatic control
and mechanical trouble in the automatic pressure control device
? The comprehension of principle to refrigerator and study to refrigeration and cold system
? The experiment on cycle change of refrigeration equipment according to temperature from
two parallel evaporators and Mollier diagram drawing in P-I diagram drawing part.
? Theoretical education of a fundamental circuit, application circuit and experiment with
evaporation pressure control device
? The compatibility and expandability of the graphic module control
? Unlike separated system from machine department , the control department is visual
automatic control with graphic panel and two automatic control modules
? Data formation by data auto-saving and P-I diagram auto-operation in the system with
control program
? Specifications ?
? Compressor : 1/2HP,
? Condenser : Air-cooled type
? Evaporator chamber: pin, Tube air-cooled type
? Evaporating Pressure Regulator:1EA
? Expansion Valve : manual type
? Liquid receiver : 1/2HP
? Accumulator : 1HP
? Electronic valve : 3/8" nut clamp type
? Fitting nipple
? Sight Glass
? Electric control module: DC24V
? Graphic module: digital DC24V
? Thermostat range: -40?~100?
? Pressure switch range: Low side: 0bar~5bar / High side: 5bar~30bar
? Size(LxWxH): 1800x730x1720mm
? Weight: 200kg
? Experiments(Study objectives) ?
? Fitting refrigerant
? Vacuum test
? Leak test
? Troubleshooting at refrigerator system machine
? Troubleshooting at electric circuit
? Fitting electric circuits for refrigerator system
? Refrigeration effect as ratio of the expansion V/V in refrigerator system
? Temperature control at evaporator
? Temperature control at condenser
? Pressure control at low side
? Pressure control at high side
? Evaporating pressure regulator operation
? Component understanding of refrigerator system
? COP calculation for refrigerator system
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