1. Prodotto finitoview
The HUAYU Sanju SJ1755HA2B is an all-metal, high-temperature resistant fan designed for industrial and electronic cooling applications. This fan operates on 220V and is built for durability and reliable performance in demanding environments.

Figura 1: Fronte view of the SJ1755HA2B fan, displaying the fan blades and product label.
2. Informazioni sulla sicurezza
Please read and understand all safety instructions before installing or operating this fan. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Sicurezza elettrica: Assicurarsi che l'alimentatore corrisponda al volume della ventolatage (220V). Disconnect power before installation, maintenance, or troubleshooting. All wiring should be performed by a qualified electrician in accordance with local electrical codes.
- Parti mobili: Keep fingers, tools, and other objects away from the fan blades during operation. The fan blades rotate at high speed and can cause injury.
- Temperatura: This fan is designed for high-temperature environments, but ensure it is not exposed to temperatures exceeding its operational limits.
- Montaggio: Securely mount the fan to prevent vibration and accidental dislodgement.
3. Impostazione
Follow these steps for proper installation of the fan:
- Disimballaggio: Carefully remove the fan from its packaging and inspect for any damage. Do not install if damaged.
- Montaggio: Position the fan in the desired location. Use appropriate screws and fasteners to secure the fan firmly to a stable surface. Ensure adequate clearance around the fan for proper airflow.
- Cablaggio: Connect the fan's power wires to a 220V AC power source. The fan typically has two wires: one for live (L) and one for neutral (N). Refer to local wiring standards for correct connection. Ensure all connections are secure and insulated.

Figura 2: Indietro view of the SJ1755HA2B fan, illustrating the motor and wiring points.
4. Istruzioni per l'uso
Once properly installed and wired, the fan is ready for operation.
- Accensione: Apply 220V AC power to the fan. The fan should begin to rotate immediately.
- Spegni: Disconnect the 220V AC power supply to stop the fan.
- Funzionamento continuo: This fan is designed for continuous operation in suitable environments. Monitor for unusual noises or vibrations during initial operation.
5. Manutenzione
Una manutenzione regolare garantisce prestazioni ottimali e prolunga la durata del ventilatore.
- Pulizia: Periodically disconnect power and gently clean the fan blades and housing to remove dust and debris. Use a soft brush or compressed air. Do not use harsh chemicals or liquids that could damage electrical components.
- Ispezione: Regularly inspect the fan for any signs of wear, loose connections, or damage to the blades or housing. Ensure mounting screws remain tight.
- Lubrificazione: This fan typically uses sealed bearings that do not require lubrication. Do not attempt to lubricate the bearings unless specified by the manufacturer.
6. Risoluzione Dei Problemi
Se riscontri problemi con la ventola, consulta la seguente guida alla risoluzione dei problemi:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| La ventola non si avvia | Nessuna alimentazione Cablaggio non corretto Guasto al motore | Check power connection and source Verificare il cablaggio rispetto allo schema Contatta il produttore per ricevere supporto |
| Rumore o vibrazione insoliti | Montaggio allentato Detriti nelle pale del ventilatore Usura dei cuscinetti | Stringere le viti di montaggio Clean fan blades (power off) Contatta il produttore per ricevere supporto |
| Flusso d'aria ridotto | Aspirazione/scarico bloccati Pale della ventola sporche | Ostacoli chiari Clean fan blades (power off) |
If the problem persists after attempting these solutions, contact the manufacturer for further assistance.
7. Specifiche
Key technical specifications for the HUAYU Sanju SJ1755HA2B fan:
- Numero modello: SJ1755HA2B (also F614R-12MC-IB Cooling fan)
- Marca: HUAYU
- Voltage: 220 Volt
- Cosatage: 3.6 watt
- Attuale: 0.18A
- Materiale: Tutto metallo
- ASIN: B08BR7GD1
- Codice UPC: 745895971416
8. Garanzia e supporto
This product is covered by the manufacturer's standard warranty. For specific warranty terms, technical support, or service inquiries, please contact HUAYU customer service directly. Keep your purchase receipt as proof of purchase.