Complete management of the system through the most common protocols in HVAC/R applications. A. Full control with more than 900 parameters available via MODBUS® from BMS (building management system): standard (MODBUS RS485) and on request (LonWorks®, BACnetTM, SNMP, Konnex®). B. MODBUS RS485 serial communication protocol for the monitoring and the diagnostics of the parameters of the fans, of the regulator, of the probes (pressure and temperature) and of the switchboard alarms. Failures and malfunctions are spotted univocally and in detail.