High/Low temp.
Empty protection
Low level
Pump overload
Pump pressure
Low flow alarm
Water leak
Sensor protection
Refrigerator overload
Refrigerator pressure
Emergency stop
Circuit breaker
Thermostat
Float switch
Float switch
Motor breaker
Pressure sensor
Flow meter
Float switch
Abnormal sensor diagnosing
Motor breaker
Pressure switch
EMO switch
Over-current breaker