Air conditioning and ventilation system Manual or automatic operation by PLC; use of real components Features - h-x diagram in real time - high practical relevance due to real dimensions and use of commercial components - manual or automatic operation - Game-Based Learning: learn complex theory easily and playfully Learning objectives/experiments - practice-oriented principles of air conditioning and ventilation technology - design and maintenance of an air conditioning and ventilation system - principles of room air conditioning (h-x diagram) - explanation of components: filter, air heater, air cooler, humidifier, condensing unit, PLC, flaps, outlets - function of safety devices - measurement of pressure curve and pressure losses - effect of air cooler, air heater and humidifier on the state of the air at the outlet - investigation of the control behaviour of an automatic air conditioning controller, determination of limiting factors - GUNT Science Media Center, develop digital skills -- retrieve information from digital networks -- use digital learning media, e. g. Web Based Training (WBT) -- use visualisation systems Specification [1] practice-oriented air conditioning and ventilation system with 2 independent system components: main unit and water chiller [2] manual or automatic operation [3] control of the experimental plant using a PLC, operated by touch screen [4] screen mirroring: possible to mirror the user interface on up to 10 end devices [5] main unit: air duct, ventilator, air condition. system [6] air conditioning system with air cooler, electric air heater, humidification [7] hoses connect air cooler to water chiller [8] air duct: hot galvanised sheet with sight window, pressure measurement (record pressure curves) [9] air duct with filter, multi-leaf damper, ceiling vent, protective grating, vent. grille, fire protect. flap, inspection flap, sound insulation link, smoke detector [10] refrigerant R410A, GWP: 2088 [11] data acquisition via PLC on internal USB memory, access to stored measured values via WLAN/LAN with integrated router/LAN connection to customer's own network or direct LAN connection without customer network [12] digital multimedia teaching material online in the GUNT Science Media Center: E‑Learning course, worksheets, videos Technical data PLC: Weintek cMT3162X Ventilator, EC motor - nominal speed: 2998min-1 - power consumption: 0,5kW - volumetric air flow rate: 1800m3/h Air heater, infinitely: 12kW Water chiller with scroll compressor - rated cooling capacity: approx. 16,9kW at 15/32°C - power consumption: approx. 4,9kW at 15/32°C - flow: 2,9m3/h - water tank: 70L Steam humidifier - steam capacity: 10kg/h - power consumption: 7,5kW Main duct, WxH: 712x508mm Refrigerant: R410A, GWP: 2088, filling volume: 1,9kg, CO2-equivalent: 3,97t Measuring ranges - pressure: -25...25mbar 400V, 50Hz, 3 phases; 400V, 60Hz, 3 phases 230V, 60Hz, 3 phases; UL/CSA optional LxWxH: 3900x800x1946mm; 560kg (experimental plant) LxWxH: 1440x600x1500mm; 245kg (water chiller)