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Base Unit of Refrigeration Cover
Base Unit of Refrigeration & A/C System
AR - 001
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Optional Items
Cover Photo 27
Digital content (BI-01)
BI-01
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Model of A Simple Air-Conditioning System
(AR-003)

1 Evaporator 2 Air duct 3 Flow rate sensor 4 Temperature and humidity sensor 5 Outlet quick connection 6 Inlet quick connection 7 Blower

  • Operation Experiment
  • Faults Simulation Experiments
    • Delivery Pipe at the Compressor Clogged
    • Intake Pipe at the Compressor Clogged
    • Condenser Fan Fault
    • Expansion Valve Fault
    • Evaporator Clogged
  • Air duct.
  • Blower
    • Air flow: 400 m3/h.
    • Power: 0.09 KW.
    • Voltage: 220V.
    • Pressure: 340 Pa.
    • RPM: 2800 r/min.
    • Frequency: 50 Hz.
  • Expansion valve
    • Body material: Brass
    • Capillary tube length [in]: 59 in
    • Capillary tube length [mm]: 1500 mm
    • Factory setting (FS) [°C]: 6 °C
    • Flow direction: Single-flow
    • Max. Working Pressure [bar]: 34 bar
    • Static Superheat (SS) [°C]: 4 °C
    • Static Superheat (SS) [°F]: 7.2 °F
    • Temperature range [°C] [Max]: 10 °C
    • Temperature range [°C] [Min]: -40 °C
  • Solenoid valve
    • Ambient temperature range [°C][Max]: 80 °C.
    • Ambient temperature range [°C] [Min]: -40 °C.
    • Frequency [Hz]: 50 Hz.
    • Power consumption: 12 W.
    • Rel. Humidity [% RH] [Max]: 100 %.
    • Rel. Humidity [% RH] [Min]: 0 %.
    • Supply voltage: 220 V.
  • Temperature & humidity sensor
    • Measuring Range: 10 to 95% RH., -40 to 60°C.
    • Temperature sensor: pt100.
    • Accuracy: ± 2.5% RH, ± 0.3°C.
    • Analogue outputs: 0-10V or 4-20 mA.
    • Supply: 24V AC/ DC.
  • Model of A Simple Air Conditioning System (AR - 003)
  • Hard copy user manual
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The simple air-conditioning system model (AR-003) is a part of the refrigeration and air-conditioning educational unit. By connecting the model to the base unit electrically and hydraulically, a complete refrigeration circuit is created to simulate a simple air conditioning system.

  • This model demonstrates the principles of a room cooling and the components of a simple air conditioning system.
  • The components of the model are an air duct with a transparent front, a blower for air transport, an evaporator as air cooler, an expansion valve, solenoid valves and refrigerant quick connections.
  • The blower is provided with throttle gate.
  • The thermostatic expansion valve acts as expansion element.
  • Air volumetric flow rate is measured using air flow sensor
  • Temperature and relative humidity are measured before and after the evaporator by sensors.
  • All components are clearly arranged at the model.
  • The software operates the individual components, system and fault simulation.
  • The unit is provided with an air outlet.
  • The model is connected to the base unit electrically by data cables and hydraulically by refrigerant hoses.

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