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Base Unit of Refrigeration & A/C System
(AR - 001)

1 Compressor 2 Condenser, force-ventilated 3 Refrigerant receiver 4 Filter / dryer 5 Inlet quick connection 6 Outlet quick connection 7 ON/OFF switch of the Base Unit 8 Emergency switch 9 Sight glass 10 High pressure gauge 11 Low pressure gauge 12 Double action pressure switch 13 Refrigerant filling valve

  • Compressor
    • Type: Reciprocating
    • Voltage/Frequency: 208-220V ~ 50Hz
    • Refrigeration Capacity: 1501W
    • Ambient temperature: 32°C
    • Return gas: 15°C
    • Liquid temperature: 45°C
  • Receiver
    • Volume: 1.5 L.
    • Temperature (mini/max °C): -30 °C ~ +65 °C.
    • Maximum operation pressure: 32 bar.
    • Refrigerant: R-134a / R-404a.
  • Filter/Drier
    • Max. Working Pressure [bar]: 46 bar.
    • Temperature range [°C] [Max]: 70 °C.
    • Temperature range [°C] [Min]: -40 °C.
  • Condenser fan
    • Power supply: 230V.
    • Frequency: 50 ~ 60Hz.
    • Current: 0.18A.
    • Power: 90W.
    • Speed: 1100rpm.
  • Solenoid Valve
    • Ambient temperature range [°C] [Max]: 80 °C.
    • Ambient temperature range [°C] [Min]:- 40 °C.
    • Frequency [Hz]: 50/60 Hz.
    • Power consumption: 12 W.
    • Rel. Humidity [% RH] [Max]: 100 %.
    • Rel. Humidity [% RH] [Min]: 0 %.
    • Supply voltage: 220 V.
  • Sight glass
    • Body material: Brass
    • Max. Working Pressure [bar]: 35 bar
    • Moisture indicator: I indicator
    • Temperature range [°C] [Max]: 80 °C
    • Temperature range [°C] [Min]: -50 °C
  • Pressure switch
    • Ambient temperature range [°C]
    • [Max]: 65 °C
    • Ambient temperature range [°C] [Min]
    • -40 °C
    • Differential left side [bar] [Max]: 4 bar
    • Differential left side [bar] [Min]: 0.7 bar
    • Differential right side [bar]: 4 bar
    • Regulation left side [bar]Pe [Max]: 7.5 bar
    • Regulation left side [bar]Pe [Min]: -0.2 bar
    • Regulation right side [bar]Pe [Max]: 32 bar
    • Regulation right side [bar]Pe [Min]: 8 bar
  • Base Unit of Refrigeration & A/C System (AR - 001)
  • Hard copy user manual
  • Laboratory PC

The base unit of refrigeration and air conditioning training system (AR – 001) is designed to demonstrate the fundamentals of both the refrigeration and air conditioning systems and their components. The unit allows observation of the systems operation, in addition to a software to perform experiments and analyze the experiments results

  • The base unit is extended into complete refrigeration circuit with one of the four models.
  • The unit is provided with ON/OFF switch and emergency switch.
  • The unit is provided with condensing unit (compressor, condenser with add-on fan, receiver), solenoid valves, filter/drier, gauges, pressure switch, humidifier and refrigerant hoses.
  • The unit is equipped with self-sealing couplings to reduce the refrigerant loss to a minimum.
  • The solenoid valves are used to control the air conditioning / refrigeration system.
  • The unit is connected to the other models
  • hydraulically using refrigerant hoses and electrically with cables.
  • The components are arranged in a way that introduces trainees to the refrigeration and air conditioning components and allows the trainees to follow the path of the refrigerant.
  • Temperatures and pressures in the system are recorded by sensors and displayed dynamically in the software for system operation.
  • The effect of parameter changes can be tracked in log p-h diagram at the software.
  • The unit is provided with USB port to be connected to a PC