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Heat Pump Heat Accumulation Trainer

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[Basic Infomation]

[POSTECH Co., Ltd.]

  • South Korea South Korea
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Technical Description

  1. The possibility of the experiment on temperature, pressure, automatic control and mechanical trouble
  2. The possibility of experiment and theoretical education The photo above may vary depending on production conditions. related to automatic control, refrigeration system and refrigerator accessories .
  3. The experiment on cycle change of refrigeration equipment according to temperature and Mollier diagram drawing in P-I diagram drawing part.
  4. Secondary heat exchange through heat accumulation tank
  5. The possibility of heat carrier's flow control and flow's quantity check
  6. Digital pressure switch (high and Low pressure) with the most accurate data
  7. Visual heat accumulation tanks by transparent acryl and cool-warm heat system with circulation part
  8. The structure to heat accumulation with heat pump and the design to know heat circulation or state and control
  9. Data formation by data auto-saving and P-I diagram auto operation in the system with control program

Experiments(Study objectives)

  • Fitting refrigerant
  • Vacuum test
  • Leak test
  • Troubleshooting at refrigeration machine
  • Troubleshooting at electric circuit
  • Fitting electric circuits for heat pump
  • Refrigeration effect as ratio of the expansion V/V in heat pump system
  • Temperature control at evaporator
  • Temperature control at condenser
  • Pressure control at low side
  • Pressure control at high side
  • Cooling / heating reversing operation
  • Component understanding of heat pump system
  • COP calculation for heat pump system


  • Compressor : 1/2HP
  • Condenser : Air-cooled type
  • Evaporator: pin, Tube air-cooled type
  • Evaporator
  • Expansion Valve : manual type
  • Liquid receiver : 1/2HP
  • 4way reversing V/V : welding type
  • Check V/V
  • Heat exchanger: tube type
  • Electronic valve : 3/8" nut clamp type
  • Manometer
  • fitting nipple
  • Sight Glass
  • Electric control module: DC24V
  • Graphic module: digital DC24V
  • Thermostat range: -40°C~100°C
  • Pressure switch range:
  • Low side: 0bar~5bar
  • High side: 5bar~30bar
  • Size(LxWxH): 1600x730x1720mm
  • Weight: 150kg


  • Electric control module
  • Graphic module
  • Refrigeration Machine module
  • Banana jack: 20 each black and red Option
  • User manual book


  • 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