1. Built in 4G communication module and IoT network card
2. Refrigeration/heating mode can be selected, and two units, defrosting and fan are independently controlled
3. Defrosting mode: electric defrosting and thermal fluorination can be selected
4. Refrigeration compensation and constant storage temperature are available during defrosting
5. Condensation mode: water cooling, air cooling, external alarm
6. Phase dislocation and phase failure protection of three-phase power supply (can be disabled)
7. Compressor current overload, phase loss and imbalance protection (disabled or not, software adjustable)
8. Voltage control alarm input (automatic reset or not, software adjustable)
9. Parameter setting shortcut key, easy to operate