ZM7131R Air conditioner module Didactic Education Equipment For School Lab Refrigeration Trainer 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
