Teaching system Laboratory air conditioning

Item No.: 84621

The fully functional training stand is built on a mobile frame made of extruded aluminium profile grooved on all sides. Components can also be attached to the profile at a later date using slot nuts, without the need for drilling. A classic duct system with bends, flaps and reducers is shown. Two speed-controlled fans are installed. A large Plexiglas pane for better visibility and an inspection opening for cleaning are installed in the area of the steam lance.

In the model-like room with photo representation of a boardroom, temperature and humidity are displayed digitally. The duct temperatures are measured via analogue duct thermometers. The damper for fresh air, exhaust air and bypass is proportionally adjustable and removable as a unit.

  • Heating system with controlled 3-way mixers

  • Digital measurements of the heating medium are carried out by heat meters to record, among other things:

    • Output
    • Flow rate - Circulation temperature
    • Return temperature
    • Temperature difference
  • Heating unit with thermostat, safety temperature limiter (STB), signal lamp and safety group

  • Pictorial representation of the boiler system

  • High-efficiency pump to supply the water-hydraulic circuit

    • Possible extensions: After dismantling the add-on duct group, modules of the same design can be connected for expansion, e.g.
    • Module heat recovery cross-flow
    • Module heat glycol circuit with 2 coils
    • Humidity control module
  • Training as a plant mechanic for sanitary, heating and air conditioning (SHK)
  • Training as an electrical technician for energy and building technology
  • Further training in air-conditioning technology
  • University
  • Static and dynamic pressure
  • Recirculation, exhaust air, fresh air, exhaust air, supply air
  • Function of the mixing chamber
  • Differential pressure (pressure losses):
    • Supply air fan
    • Register
    • Duct system
    • Fan Exhaust air
  • Temperature change as a function of the air volume
  • Humidification/drying of air for optimum climate conditions
  • Function of heating circuit mixer
  • Dew point, steam humidification, mixing, heat quantity consumption
  • Refrigeration system: hot gas/cold gas, pressure and temperature correlation
  • Comparison of cooling zones
  • Design of air duct system
  • Design of heating circuit

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