1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of the Multicomp MC002694 Axial Fan. This 40mm, 24VDC fan is designed for various cooling applications, offering 8.9 CFM airflow with a low noise level of 25.5 dBA. Please read this manual thoroughly before installation and use.
2. Product Overview

Figure 1: Front view of the Multicomp MC002694 Axial Fan. This image shows the compact black fan unit with its central motor hub and four fan blades, enclosed within a square frame with mounting holes at each corner.
The MC002694 is a compact axial fan suitable for applications requiring efficient air movement within confined spaces. Its design ensures reliable performance and quiet operation, making it ideal for electronic enclosures, small appliances, and industrial equipment.
3. Safety Precautions
- Ensure power is disconnected before installation or maintenance.
- Connect the fan only to a 24VDC power source. Incorrect voltage may damage the unit.
- Avoid touching the fan blades while the fan is operating.
- Do not obstruct the airflow path of the fan.
- Install the fan in a dry environment, away from moisture and excessive dust.
4. Setup and Installation
Follow these steps for proper installation:
- Mounting: Secure the fan to a flat surface using appropriate screws through the mounting holes located at each corner of the fan frame. Ensure the fan is oriented correctly for desired airflow (intake or exhaust).
- Wiring: Connect the fan's power leads to a stable 24VDC power supply. Typically, the red wire is positive (+) and the black wire is negative (-). Ensure polarity is correct to prevent damage and ensure proper operation.
- Power Connection: Once mounted and wired, connect the 24VDC power supply to the main power source.
Note: Professional installation is recommended for complex electrical systems.
5. Operating Instructions
The Multicomp MC002694 Axial Fan operates immediately upon receiving the correct 24VDC power supply. There are no user-adjustable settings on the fan itself.
- Power On: Apply 24VDC power to the fan. The fan blades should begin to rotate, generating airflow.
- Power Off: Disconnect the 24VDC power supply to stop the fan.
Monitor the fan's operation periodically to ensure consistent airflow and absence of unusual noises.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your fan.
- Cleaning: Periodically clean the fan blades and housing to remove dust and debris. Use a soft brush or compressed air. Ensure power is disconnected before cleaning.
- Inspection: Check for any signs of wear, damage to the blades, or loose connections.
- Lubrication: This fan is designed for maintenance-free operation and typically does not require lubrication.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not spin. | No power, incorrect voltage, incorrect wiring polarity, damaged fan. | Check power supply, verify 24VDC, ensure correct polarity (+/-), inspect for damage. |
| Fan is noisy. | Obstruction, loose mounting, worn bearings. | Remove obstructions, tighten mounting screws, replace fan if bearings are worn. |
| Low airflow. | Blocked intake/exhaust, dust accumulation on blades. | Clear obstructions, clean fan blades. |
If the problem persists after attempting these solutions, contact customer support.
8. Specifications
| Attribute | Value |
|---|---|
| Model | MC002694 |
| Brand | Multicomp |
| Fan Type | Axial |
| Size | 40mm |
| Voltage | 24VDC |
| Airflow (CFM) | 8.9 CFM |
| Noise Level | 25.5 dBA |
| Maximum Rotational Speed | 5500 RPM |
| Wattage | 8.9 watts |
| Cooling Method | Air |
| Material | Copper |
| Manufacturer | MULTICOMP |
| Date First Available | June 27, 2023 |
9. Warranty and Support
For warranty information, please refer to the terms and conditions provided by your point of purchase or contact Multicomp directly. Keep your purchase receipt as proof of purchase.
For technical support or inquiries, please contact the seller or Multicomp customer service. Provide your product model number (MC002694) and a detailed description of the issue.