EBM PAPST Centrifugal fan D2E140HR9707

The EBM PAPST D2E140HR9707 is a centrifugal fan designed for industrial and commercial ventilation, air conditioning, and equipment cooling systems. It features an IP44 ingress protection rating, ensuring resistance to moisture and splashes. The fan is identified by article numbers D2E140-HR97-07 and 377.145.298. It is intended for applications requiring stable and efficient air exchange, including combustion air supply in burners and flue gas expulsion in room-sealed appliances.

Parts of this type are selected by air flow and pressure requirements, the direction and orientation of the outlet, the impeller diameter, the operating voltage, and the control mode (mains on/off, PWM, or 0-10 V analogue). The flange pattern must match the mixer or burner housing. Before ordering, verify the mounting orientation and the electrical control signal to ensure the replacement matches the original unit's connector and control interface.

Common failure modes in such centrifugal fans include worn bearings, imbalance caused by deposits on the impeller, a failed run capacitor (where fitted), and speed feedback errors. These issues are often reported by the boiler as an airflow fault. When such symptoms occur, check the fan's operation and electrical connections.