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The Weiguang YWF4E-250B-L is a high-efficiency outer rotor axial flow fan engineered for demanding industrial refrigeration and ventilation applications. Manufactured by Hangzhou Weiguang Electronic, this model features a compact design where the motor is integrated directly into the impeller, optimizing space and cooling performance. Operating at 220 – 240 VAC with a power consumption of 20 W, the unit delivers a consistent speed of 1380 RPM, making it ideal for heat dissipation in condensers, evaporators, and cold storage units.
Technical Specifications:
Manufacturer: Hangzhou Weiguang Electronic
Model Number: YWF4E-250B-L
Motor Type: Outer Rotor Axial Fan
Input Voltage: 220 – 240 VAC
Frequency: 50/60 Hz
Power Output: 20 W
Rotational Speed: 1380 RPM
Protection Class: IP54
Insulation Class: B/F
Operating Temperature: -30 °C to +60 °C
Industrial Application:
This fan is specifically engineered for integration into commercial refrigeration systems, including reach-in freezers, walk-in cold rooms, and air-cooled condensers. The IP54 rating ensures protection against dust ingress and water splashes, maintaining operational integrity in humid or demanding environments. Its low-noise profile and high-density airflow make it a preferred choice for original engineering replacements and new HVAC/R installations.
Logistics and Quality:
Condition: Brand New, Original Packaging
Included Accessories: Integrated Protective Net
Lead Time: Immediate dispatch available for standard inventory.
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Fans Maintenance and upkeep
1. The use environment should always be kept clean and tidy, the surface of the fan should be kept clean, there should be no sundries in the inlet and outlet air outlets, and the dust and other sundries in the fan and pipes should be cleaned regularly;
2. The fan can only operate under the condition that it is completely normal, and at the same time, it is necessary to ensure that the capacity of the power supply facilities is sufficient and the voltage is stable.
3. During the operation of the fan, if it is found that the fan has abnormal sound, the motor is seriously heated, the shell is live, the switch trips, and cannot be started, it should be stopped immediately for inspection. In order to ensure safety, maintenance is not allowed during the operation of the fan, and a test run should be carried out for about five minutes after the overhaul to confirm that there is no abnormal phenomenon before starting the operation;
4. The fan should be stored in a dry environment to avoid moisture on the motor. When the fan is stored in the open air, there should be defensive measures. In the process of storage and handling, the fan should be prevented from bumping to avoid damage to the fan.
FAQ
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