Introducció
The AC Infinity MULTIFAN S7 is an ultra-quiet, UL-certified dual 120mm USB fan system engineered to provide efficient cooling for various electronics and components. This manual provides essential information for the proper setup, operation, and maintenance of your fan system, ensuring optimal performance and longevity.
Informació de seguretat
- Ensure the fan is connected to a compatible USB power source (5V DC).
- No exposeu el ventilador a l'aigua ni a una humitat excessiva.
- Mantingueu els dits i altres objectes allunyats de les aspes del ventilador durant el funcionament.
- Do not attempt to disassemble or modify the fan unit.
- Place the fan on a stable surface or mount securely to prevent accidental falls.
Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació s'inclouen al vostre paquet:
- AC Infinity MULTIFAN S7 Dual 120mm USB Fan Unit
- Multi-speed Controller with USB plug
- Rubber Feet (pre-installed or separate)
- Manual d'usuari (aquest document)

Image: The AC Infinity MULTIFAN S7 dual 120mm USB fan unit, showing both fans connected to the speed controller and USB cable.
Configuració
Follow these steps to set up your MULTIFAN S7:
- Posicionament: Place the fan unit in the desired location. The dual-ball bearings allow the fans to be laid flat or stand upright. Ensure adequate clearance for airflow.
- Peus de goma: If not pre-installed, attach the included rubber feet to the corners of the fan unit. These feet absorb vibration and reduce noise.
- Connectar l'alimentació: Plug the USB connector from the multi-speed controller into an available USB port on your electronic device (e.g., receiver, DVR, game console, computer) or a standard USB wall adapter (not included).
- Daisy-Chain (Optional): If you have additional MULTIFAN units, they can be daisy-chained together using the provided USB pass-through port on the controller.

Image: Two MULTIFAN S7 units positioned on top of an AV receiver within a cabinet, demonstrating a typical installation scenario.
Instruccions de funcionament
The MULTIFAN S7 features a multi-speed controller to adjust fan speed and airflow.
- Encès/apagat: Use the switch on the multi-speed controller to turn the fan system on or off.
- Ajustar la velocitat del ventilador: Slide the switch on the controller to select your desired fan speed:
- Velocitat baixa: For minimal noise and gentle airflow.
- Velocitat mitjana: Suitable for most applications, balancing noise and airflow.
- Alta velocitat: For maximum airflow and cooling performance.
- Col·locació òptima: For best results, position the fans to either draw hot air out of an enclosure or push cool air into it, depending on your cooling needs.

Imatge: Una imatge detallada view of the multi-speed controller, highlighting the 'H', 'M', 'L', and 'O' settings for fan speed adjustment.
Manteniment
Regular maintenance helps ensure the longevity and efficiency of your fan system.
- Neteja: Periodically clean the fan blades and grilles using a soft, dry cloth or compressed air to remove dust buildup. Ensure the fan is powered off before cleaning.
- Inspecció: Check the power cable and fan blades for any signs of damage. If damage is found, discontinue use and contact customer support.
- Anti-Vibration Feet: The silicone anti-vibration feet can be detached if a lower profile is desired for certain installations.

Image: A close-up of the fan unit, illustrating the silicone anti-vibration feet designed to minimize noise and surface friction.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El ventilador no s'encén. | No power to USB port or controller switch is off. | Ensure USB power source is active. Check controller switch position. |
| El ventilador fa soroll. | Fan speed set too high, or dust buildup. | Reduce fan speed using the controller. Clean fan blades and grilles. |
| Flux d'aire insuficient. | Fan speed too low, or obstruction. | Increase fan speed. Ensure no objects are blocking airflow. |
Especificacions
| Característica | Detall |
|---|---|
| Model | AI-MPF120A2 (MULTIFAN S7) |
| Fan Dimensions (per fan) | 4.7 x 4.7 x 1 polzades (12.0 x 12.0 x 2.5 cm) |
| Flux d'aire total | 104 CFM |
| Soroll total | 19 dBA |
| Coixinets | Pilota doble |
| Tipus de connector d'alimentació | USB |
| Voltage | 5 Volts |
| Wattage | 5 watts |
| Velocitat de rotació màxima | 1300 RPM |
| Material | Rubber (for feet) |
| Pes de l'article | 1.41 lliures |

Image: Technical specifications and dimensions of the MULTIFAN S7, including fan size and cable lengths.
Garantia i Suport
AC Infinity products are designed for durability and performance. For warranty information, technical support, or to inquire about replacement parts, please visit the official AC Infinity weblloc web o contacteu directament amb el servei d'atenció al client. Conserveu el rebut de compra per a reclamacions de garantia.





