1. Real-time monitoring of supply air/return air temperature and humidity;

2. Real-time monitoring of new exhaust air temperature and humidity;

3. Indoor temperature and humidity detection (multiple points);

4. Supply and return fan operation state monitoring;

5. Real-time monitoring of air valve openness;

6. Control and monitoring of cold and hot water, humidification valve, electrical heating and steam heating valves openness;

7. Supply and return fan starting/stopping and frequency control;

8. Regional enthalpy and energy-saving control all year round;

9. Filter filth blockage alarm, air lack protection, high-low pressure alarm and fire interlocking