Exhaust Air Fan With HEPA Filter VFD Control DWG With DPS PS

This Exhaust Air Fan With HEPA Filter VFD Control DWG With DPS PS drawing provides a detailed control schematic for a ventilation system integrated with HEPA filtration and variable frequency drive control. The layout clearly illustrates dual exhaust fans connected with HEPA filter housing, differential pressure switches DPS and a pressure sensor PS for monitoring airflow performance. The system includes a VFD control panel with motor connections and command wiring such as run status, fan fail status, VFD speed feedback, VFD trip alarm, and enable disable command signals. Additional automation points include HEPA filter dirty alarm, duct pressure sensor feedback, and auto position of the H O A switch, ensuring precise operational control. The schematic highlights airflow direction with duct connections and monitoring station signals for real-time system supervision. Designed for high-performance environments such as hospitals and clean air zones, this Exhaust Air Fan With HEPA Filter VFD Control DWG With DPS PS ensures efficient air extraction, filtration, and control integration suitable for MEP engineers and HVAC system designers.