Chiller Units Training Bench with Industrial PLC Controller

Chiller Units Training Bench with Industrial PLC Controller .

Chiller Units Training Bench with Industrial PLC Controller

Experiments

• Study and understanding of the operation of a chiller unit
• On-off control of the cooled water temperature
• Safety control using the high and low pressure switch and flow switch
• Plant start-up and system monitoring using the incorporated protection and safety devices
• Detecting the system operating parameters
• Plotting of the refrigerant cycle on a pressure-enthalpy diagram of the refrigerant gas
• Calculation of thermal balances for the refrigerant and water circuit

Technical Specification

Water circuit including:

• Centrifugal pump
• Air heat exchanger
• Flow switch
• Refrigeration circuit equipped with:
• Hermetic compressor with protector
• Forced air condenser
• Water evaporator
• Thermostatic expansion valve
• Dehydrator Filter and sight glass
• Liquid receiver and liquid separator
• Double pressure switch
• Valve for plant vacuum, refrigerant charging and recovery
• High and low pressure gauges

Instruments and control devices including:

• Data acquisition board with USB interface
• 5x NTC temperature probes
• Water flow sensor
• 2x pressure transducers
• USB cable
• Industrial PLC controller with programming and control software
• Thermomagnetic ELCB
• Start button
• Emergency stop button