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This document describes the ebm-papst 4114N/2H6PU device, an axial fan designed for conveying air. It serves as a built-in component and is intended for use in open and unsheltered areas, with direct exposure to water and saline ambient conditions being permissible as long as normal operation is not hindered.
The 4114N/2H6PU is a self-starting product that automatically restarts after a mains failure or when a blockage is eliminated, provided voltage is applied. Its primary function is to move air, with an airflow direction of air intake over struts and a clockwise rotating direction when viewed from the rotor. The device is designed to operate as part of a larger system, and its electromagnetic compatibility (EMC) may interact with the system integration. It is crucial to ensure the EMC of the entire system. The product can generate high pressure, so adequate supply and exhaust air must be ensured during operation.
The device must be operated with all protective equipment in place and should not be put into operation before being installed in the customer's application. It is crucial to observe the operating manual. Prohibited uses include conveying air with abrasive particles, highly corrosive effects, high dust loads (e.g., vacuuming sawdust), inflammable gases/particles, or materials that can damage the product (acids, caustic solutions, solvents). Exposure to damaging radiation (e.g., strong UV rays, thermal radiation), operation during external vibration, or near inflammable materials/components is also prohibited. The product is not designed for use in explosive atmospheres, as a safety component, or for safety-relevant functions without specific validation. Operation in medical devices with life-sustaining functions, non-stationary systems (railway vehicles, aircraft, spacecraft), or with dismantled/manipulated protective equipment is forbidden unless validated by ebm-papst. Speed control via the supply voltage is permitted only within the stipulated supply voltage range; PWM-based speed control of the supply voltage is not permitted. Only cables designed for the current on the nameplate and corresponding ambient conditions should be used, and electrical interface data must be adequately protected. DC fans with nominal voltage <=60V are Protection Class III products and must be operated with safety extra-low voltage.
The product is designed to be replaced rather than repaired in case of faults. Regular checks of the electrical equipment are necessary, with loose connections and defective cables to be eliminated immediately. If the product is not operated for a longer period, it is recommended to run it for approximately 15 minutes annually to move the motor bearings. Cleaning should be done carefully; water jets, pressure washers, or cleaning agents containing acids, caustic solutions, or solvents should not be used. No pressure should be applied to the rotor. A technical safety inspection schedule is provided, recommending visual inspections at minimum half-yearly or yearly intervals for:
In case of faults such as the motor not rotating, being too hot, or having an interrupted winding, or if the impeller is out of true, troubleshooting steps include checking mains voltage, rectifying connections, allowing the motor to cool, reducing ambient temperature, or cleaning/exchanging the product. If further faults occur, ebm-papst should be contacted. When disposing of the product, all relevant country-specific requirements and regulations must be observed.
General