AZM7131 Air Conditioner Module Educational Equipment Refrigeration Laboratory Equipment
Study of an industrial case controller in a commercial freezer
Real components: case controller with control panel, expansion valve, pressure transmitter, temperature probe
Case controller controls: fan, rail heat, expansion valve, day / night output, compressor, alarm, defroster, defrost start
Front panel with system diagram, signal lamps
Temperature measurement points: environment, refrigerant outlet, air before and
Measurement of diff. pressure with pitot tube
Instrumentation: electronic sensors
2 solenoid valves to configure operation mode
Solenoid valves, equipment switches and fault simulation a 2 electrical heaters: 150W each
Humidifier with fan:
– electrical heater: 200W
– axial fan for humidifier: 10W,
Max. flow rate: 50m³/h
– humidifier fitted with fill level indicator and float type switch to cut-off heater
Radial fan: 80W
– max. flow rate: 255m³/h
– max. head: 174mmWC
Measuring range of sensors: – 2x temperature: -40…150°C – 1x differential pressure: 0…10mbar – 2x combined temperature-humidity: 0…50°C, 5…100% rel. humidity
activated via software
