Electronic color touchscreen PLC (programmable logic controller) for Coltri MCH36 compressors. Four screens display different operational aspects of compressor system.

 

Main Display

• Filling: Displays filling pressure
• Maximum Pressure: Displays maximum filling pressure. When reached, the compressor turns off.
• Panel Temperature: Displays internal temperature
• Running: Indicates compressor on
• Stop: Indicates compressor off
• Discharge: Manual discharge

Hour Meter Display

• Total Hours: Hours of compressor runtime
• Oil/Filter change: Hours remaining for next oil/filter change
• Suction Filter Change: Hours remaining for next oil change

Customer Setting Display

• Maximum Pressure: Indicates maximum filling pressure. When pressure is reached, compressor turns off.

Alarm Display

• Oil Pressure Alarm: Maximum oil pressure alarm
• First Stage Pressure Alarm
• Second Stage Pressure Alarm
• Third Stage Pressure Alarm
• Panel Temperature Alarm: Maximum panel temperature alarm
• Oil Level Alarm: Low oil level alarm
• Reversed Phase Alarm: Three-phase sequence alarm, reverse two phases of the electrical supply line of the compressor
• Manostat Alarm: Manostat maximum pressure alarm, the filling pressure reached the maximum pressure set up on the front manometer.
• Motor Thermal Alarm: Compressor motor thermal trip switch, open the electrical panel and re-set the thermal switch.