WOLFRAM SYSTEM MODELER
    AirCirculationThermostat-controlled air circulation between compartments  | 
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SystemModel["IndustryExamples.ConsumerProducts.Refrigerator.Components.AirCirculation"]

| flowPort_a1 | 
         Type: FlowPort_a Description: Filled flow port (used upstream)  | 
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| flowPort_b1 | 
         Type: FlowPort_b Description: Hollow flow port (used downstream)  | 
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| fridgeAir | 
         Type: HeatPort_a Description: Thermal port for 1-dim. heat transfer (filled rectangular icon)  | 
    
| airCirculation | 
         Type: VolumeFlow Description: Enforces constant volume flow  | 
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| pressure | 
         Type: AbsolutePressure Description: Defines absolute pressure level  | 
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| celsius | 
         Type: FromKelvin Description: Conversion from Kelvin to degree Celsius  | 
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| thermostat | 
         Type: Hysteresis Description: Transform Real to Boolean signal with Hysteresis  | 
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| switch | 
         Type: Switch Description: Switch between two Real signals  | 
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| fanOff | 
         Type: Constant Description: Generate constant signal of type Real  | 
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| fanOn | 
         Type: Constant Description: Generate constant signal of type Real  | 
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| temperatureSensor | 
         Type: TemperatureSensor Description: Absolute temperature sensor in Kelvin  | 
    
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         IndustryExamples.ConsumerProducts.Refrigerator Model simulating effect of opening and closing compartment doors on a refrigerator  | 
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         IndustryExamples.ConsumerProducts.Refrigerator Model simulating the effect of adding hot food to refrigerator  | 
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         IndustryExamples.ConsumerProducts.Refrigerator Model simulating the effect of adding hot food to nearly-empty refrigerator  |