1. పరిచయం మరియు ఓవర్view
The AC Infinity MULTIFAN S1 is an ultra-quiet, UL-certified 80mm USB fan designed to provide efficient cooling for various electronic devices and components. This fan features a multi-speed controller, allowing users to adjust the fan's speed to achieve optimal balance between airflow and noise levels. Its dual-ball bearings ensure a long lifespan and enable flexible placement, whether laid flat or standing upright. The fan is powered conveniently via a standard USB port, commonly found on AV electronics, game consoles, and computers.
2. ఉత్పత్తి లక్షణాలు
- అల్ట్రా-నిశ్శబ్ద ఆపరేషన్: Engineered with a PWM-motor for minimal noise output.
- Multi-Speed Controller: Allows adjustment of fan speed for customized airflow and noise levels.
- డ్యూయల్-బాల్ బేరింగ్లు: Provides a long lifespan of 67,000 hours and supports versatile mounting orientations.
- USB పవర్డ్: Connects to standard USB ports for power, eliminating the need for an external power adapter.
- Anti-Vibration Feet: Includes silicone feet to absorb vibrations and reduce noise.

Figure 2.1: The MULTIFAN S1 is designed for quiet cooling of various electronic devices.
3. సెటప్ సూచనలు
- ఫ్యాన్ని అన్ప్యాక్ చేయండి: Carefully remove the MULTIFAN S1 and its accessories from the packaging.
- ఫ్యాన్ స్థానం: Place the fan on or near the electronic device you wish to cool. Ensure the fan's airflow direction is appropriate for your cooling needs (e.g., blowing air onto a hot surface or exhausting hot air away). The included rubber feet help stabilize the fan and reduce vibration.
- శక్తికి కనెక్ట్ చేయండి: Plug the USB connector into an available USB port on your device (e.g., receiver, game console, computer) or a USB wall adapter.
- వేగాన్ని సర్దుబాటు చేయండి: Use the integrated multi-speed controller to select your desired fan speed.

Figure 3.1: The AC Infinity MULTIFAN S1 with its speed controller and USB connection.
4. ఆపరేటింగ్ సూచనలు
The MULTIFAN S1 features a simple multi-speed controller for easy operation:
- High Speed (H): Provides maximum airflow for situations requiring significant cooling.
- Medium Speed (M): Offers a balanced airflow suitable for most applications, maintaining a good balance between cooling performance and noise.
- Low Speed (L): Delivers minimal noise for environments where quiet operation is paramount, with reduced airflow.
- ఆఫ్: A convenient switch to power off the fan.
Simply slide the switch on the controller to select your preferred speed setting or to turn the fan off.

Figure 4.1: The multi-speed controller allows for easy adjustment of fan performance.
5. నిర్వహణ
To ensure optimal performance and longevity of your MULTIFAN S1, follow these simple maintenance guidelines:
- రెగ్యులర్ క్లీనింగ్: Periodically clean the fan blades and grille to prevent dust buildup, which can impede airflow and increase noise. Use a soft, dry cloth or compressed air.
- Inspect Bearings: While the dual-ball bearings are designed for long life, occasionally check for any unusual noises or resistance during operation, which might indicate an issue.
- కేబుల్ తనిఖీ: Ensure the USB cable and speed controller are free from damage.

Figure 5.1: The fan's internal components, including the PWM motor and dual-ball bearings, contribute to its quiet operation and durability.
6. ట్రబుల్షూటింగ్
| సమస్య | సాధ్యమైన కారణం | పరిష్కారం |
|---|---|---|
| ఫ్యాన్ తిప్పడం లేదు | No power; loose connection; controller set to 'Off' | Ensure USB is securely plugged in. Try a different USB port. Check controller switch is set to H, M, or L. |
| అధిక శబ్దం లేదా కంపనం | Dust buildup; fan not stable; damaged bearings | Clean fan blades and grille. Ensure fan is placed on a flat, stable surface. Check if rubber feet are properly installed. |
| తగినంత శీతలీకరణ లేదు | Fan speed too low; incorrect placement | Increase fan speed using the controller. Adjust fan position to optimize airflow to or from the device. |

Figure 6.1: The anti-vibration feet help minimize noise and ensure stability.
7. స్పెసిఫికేషన్లు
| ఫీచర్ | వివరాలు |
|---|---|
| మోడల్ | AI-MPF80A |
| ఉత్పత్తి కొలతలు | 3.2"L x 1"W x 3.2"H (8.0సెం.మీ x 2.5సెం.మీ x 8.0సెం.మీ) |
| ఫ్యాన్ పరిమాణం | 80మి.మీ |
| గాలి ప్రవాహం | 26 CFM (నిమిషానికి క్యూబిక్ ఫీట్) |
| శబ్దం స్థాయి | 17 dBA (Decibels) |
| బేరింగ్లు | డ్యూయల్ బాల్ |
| గరిష్ట భ్రమణ వేగం | 2000 RPM |
| పవర్ కనెక్టర్ రకం | USB |
| వాల్యూమ్tage | 7.2 వోల్ట్లు |
| వాట్tage | 1.1 వాట్స్ |
| మెటీరియల్ | రబ్బరు (పాదాలకు) |
| UPC | 854759004327 |

Figure 7.1: Detailed dimensions and technical specifications of the fan.

చిత్రం 7.2: ఉదాample of MULTIFAN S7 (similar to S1) used for cooling an AV receiver.
8. వారంటీ మరియు మద్దతు
For warranty information and customer support, please refer to the official AC Infinity webసైట్లో లేదా వారి కస్టమర్ సర్వీస్ను నేరుగా సంప్రదించండి. ఏవైనా వారంటీ క్లెయిమ్లకు కొనుగోలు రుజువుగా మీ కొనుగోలు రసీదును ఉంచండి.





