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EQ Series PLC Controller

The temperature accuracy of every unit depends on its control system — Accuchiller EQ Series portable chillers come standard with a PLC controller to make it easy to set and read system temperatures, alarms, and operating parameters. The entire control panel is simple to understand and operate without confusing codes or useless buttons.


  • Clear text screens provide continuous display of the process supply and set point temperatures
  • 30 minute deviation alarm timer prevents nuisance alarms at start-up and set point changes
  • Temperature display easily switched from °F to °C on controller
  • Alarms for no flow, high refrigerant pressure, low refrigerant pressure, freezestat, high temperature, temperature probe fault, pump motor overload and fan motor overload
  • Alarms are easily reset using front panel alarm reset button


  • Remote control 
  • Alarm horn
  • Remote alarm contacts
  • Remote on/off contacts
  • Remote thermocouple/RTD input
  • Modbus TCP/IP communications
PLC Controller