1. Compressor start protection; 2. Kuen dɔ̈ɔ̈r tɔ̈u në control; 3. Host overload, cooler medium high/low voltage failure detection, oil pressure difference detection, motor high temperature detection; 4. Lower chain launching function (Lower chain launching function) (Lower chain launching function) (Lower chain launching function) (Lower chain launching function) (Lower chain launching function) (Lower chain launching function) (Lower chain launching function) 5. Ajuiɛɛr de electronic drainage function; 6. Funksiɔn de remote control; 7. RS485 ye kɔɔr