1 Product overview 1.1 Overview The user of the training unit studies a real air conditioning and ventilation system. The ventilation and air-conditioning system includes an air-conditioning unit, a filter element, a speed-adjusting fan, an evaporator, an electric air heater and a steam humidifier. The following functions can be realized: heating/cooling, humidification/dehumidification. The experimental setup is controlled via a touch screen. 1.2 Features The training device uses a steel frame as a whole, the exterior is sprayed with anti-corrosion treatment, and the bottom is equipped with a universal wheel for easy movement. The panel is made of transparent acrylic material, which can observe the inside of the air duct very well. 2 Performance parameters Input power: AC380V±10% 50Hz Power: 3KW (connect with a circuit breaker of matching power to supply power on site) Dimensions: 2300mm×1100mm×1350mm Fan Power: 400W Speed: 1360 rpm Air volume 2000m³/h Full pressure 450pa Electric heating power: 1KW Humidifier Rated power: 2.78KW Steam capacity: 3kg/h Main air duct size: 380x320mm Total weight of equipment: 400kg Working conditions: Ambient temperature 5℃～+40℃ Relative humidity ＜85%（25℃）