1. Product Overview
The AC Infinity AXIAL S1225 is a 120mm muffin fan designed for various air circulation projects. It is UL-certified and features a speed controller, allowing for optimized airflow and noise levels. This fan is suitable for applications such as improving air circulation in doorways, between rooms, near wood stoves, or fireplaces.

Image: The AC Infinity AXIAL S1225 120mm Muffin Fan with its speed controller.

Image: An AC Infinity AXIAL fan installed, illustrating its use for air circulation in various projects like wood stoves, doorways, and room-to-room ventilation.
Key features include a durable construction with dual-ball bearings, rated for a lifespan of 67,000 hours, and the ability to be mounted in any direction. The included speed controller provides flexibility to adjust the fan's performance to your specific needs.
2. What's Included
Your AC Infinity AXIAL S1225 package contains the following components:
- One (1) Heavy-Duty Aluminum Fan (120 x 120 x 25 mm)
- One (1) Speed Control Plug Cord - 6 Ft
- Two (2) Spiral Fan Guards - 120mm
- Four (4) Mounting Screws
- Four (4) Nuts and Washers
- One (1) Mounting Hinge

Image: All components of the AC Infinity AXIAL S1225 kit laid out, including the fan, speed controller, fan guards, mounting screws, nuts, washers, and a mounting hinge.
3. Setup and Installation
Follow these steps to set up and install your AC Infinity AXIAL S1225 fan:
- Determine Mounting Location: Choose a suitable location for the fan, considering airflow direction and proximity to a power outlet. The fan can be mounted in any orientation.
- Attach Fan Guards: Secure the spiral fan guards to both sides of the fan using the provided mounting screws, nuts, and washers. This protects the fan blades and prevents accidental contact.
- Mount the Fan: Use the mounting screws and hinge (if applicable) to securely attach the fan to your desired surface. Ensure the fan is stable and vibration-free.
- Connect Speed Controller: Plug the fan's power connector into the speed control plug cord.
- Connect to Power: Plug the speed control plug cord into a standard 100 to 120V AC power outlet.
Ensure all connections are secure before operating the fan.
4. Operating Instructions
The AC Infinity AXIAL S1225 features a convenient speed controller to adjust the fan's performance.

Image: Close-up of the speed controller, showing the dial for speed adjustment and the on/off switch.
- Power On/Off: The speed controller includes a switch to turn the fan on or off.
- Speed Adjustment: Rotate the dial on the speed controller to select your desired fan speed:
- L (Low Speed): For minimal noise and gentle airflow.
- M (Medium Speed): Suitable for most general applications, balancing airflow and noise.
- H (High Speed): Provides maximum airflow for demanding applications.
Adjust the speed as needed to achieve optimal air circulation and comfort for your specific environment.
5. Maintenance
To ensure the longevity and optimal performance of your AC Infinity AXIAL S1225 fan, follow these maintenance guidelines:
- Regular Cleaning: Periodically clean the fan blades and guards to prevent dust buildup, which can reduce airflow and increase noise. Use a soft, dry cloth or a can of compressed air.
- Inspect for Obstructions: Ensure no objects are obstructing the fan blades or airflow path.
- Check Connections: Occasionally verify that all electrical connections are secure.
- Avoid Liquid Contact: Do not immerse the fan or speed controller in water or other liquids.
No lubrication is required for the dual-ball bearings.
6. Troubleshooting
If you encounter issues with your AC Infinity AXIAL S1225 fan, refer to the following troubleshooting tips:
- Fan Not Spinning:
- Ensure the speed controller is switched to the 'On' position.
- Verify that the power cord is securely plugged into both the fan and a working electrical outlet.
- Check if the outlet is receiving power by plugging in another device.
- Excessive Noise:
- Reduce the fan speed using the speed controller.
- Check for any loose components or obstructions around the fan blades.
- Ensure the fan is mounted securely and not vibrating against other surfaces.
- Reduced Airflow:
- Clean any dust or debris from the fan blades and guards.
- Ensure the fan is set to a higher speed setting.
- Verify that the fan's intake and exhaust paths are clear and unobstructed.
If problems persist, contact customer support for further assistance.
7. Specifications
Detailed specifications for the AC Infinity AXIAL S1225 fan:

Image: Diagram illustrating the dimensions and key specifications of the AC Infinity AXIAL S1225 fan.
| Model | AXIAL (S)1225(D) |
| Item Model Number | AI-120SCX |
| Fan Size | 120 x 120 x 25 mm (4.7 x 4.7 x 1 in.) |
| Bearings | Dual Ball |
| Rated Lifespan | 67,000 hours |
| Power | 100 to 120V AC, 8 Watt |
| Voltage | 12 Volts |
| Airflow | 51 CFM (Cubic Feet Per Minute) |
| Noise Level | 16 to 38 dBA |
| Material | Metal |
| Total Cord Length | 48 inches (121.92 cm) |
| Certifications | UL-Certified (E503903), CE, RoHS |
8. Warranty Information
The AC Infinity AXIAL S1225 fan is backed by a two-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
For detailed warranty terms and conditions, please refer to the official AC Infinity website or contact their customer support.
9. Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact AC Infinity customer support.
- Website: Visit the official AC Infinity website for support resources, FAQs, and contact information.
- Email/Phone: Refer to the product packaging or the AC Infinity website for specific email addresses or phone numbers for customer service.
When contacting support, please have your product model number (AI-120SCX) and purchase date available.