1. Introduction
Thank you for purchasing the YANWEI 4-IN-1 Portable Air Conditioner, Model CF-520. This device is designed to provide personal cooling, humidification, and ambient lighting. It functions as a fan, an evaporative air cooler, a humidifier, and a night light, suitable for various personal spaces.
Please read this manual thoroughly before use to ensure proper operation, maintenance, and safety. Keep this manual for future reference.

2. Safety Instructions
- Do not immerse the unit, power cord, or plug in water or other liquids.
- Ensure the power supply matches the specified voltage (DC 5V 2A).
- Unplug the unit from the power source before cleaning or when not in use.
- Keep the unit out of reach of children and pets.
- Do not block the air inlet or outlet.
- Place the unit on a stable, level surface to prevent tipping and water spillage.
- Do not use the unit if any part is damaged. Contact customer support for assistance.
- Avoid using distilled or filtered water, as this may affect the atomization function. Tap water is recommended.
3. Package Contents
Verify that all items are present in the package:
- 1 x YANWEI Portable Air Conditioner (Model CF-520)
- 1 x User Manual (this document)
- 1 x USB to Type-C Cable
- 1 x Remote Controller
4. Product Overview
The YANWEI Portable Air Conditioner combines multiple functions in a compact design. Key features include a touch control panel, a 700ML water tank, and adjustable airflow louvers.



5. Setup
5.1 Placement
Place the air conditioner on a flat, stable surface. Ensure there is adequate space around the unit for proper airflow.
5.2 Filling the Water Tank
- Locate the water tank opening on the top of the unit.
- Carefully pour clean tap water into the 700ML water tank. Do not overfill.
- For enhanced cooling, ice cubes can be added to the water tank.

5.3 Power Connection
Connect the provided USB to Type-C cable to the unit's Type-C port and to a compatible power source (DC 5V 2A adapter, PC USB port, or power bank). The unit requires a 5V 2A power input for optimal performance.

6. Operating Instructions
The unit can be operated using the touch control panel on the device or the included remote control.

6.1 Power On/Off
- Press the Power button on the control panel or remote to turn the unit on or off.
6.2 Fan Speed Adjustment
- Press the Speed button to cycle through 3 fan speed settings (Low, Medium, High).
6.3 Mode Selection
- Press the Mode button to switch between Natural Wind mode and Air Conditioning (Humidification) mode.
- In Air Conditioning mode, the unit will atomize water to provide evaporative cooling and humidification.
6.4 Timer Function
- Press the Timer button to set the operating time for 2, 4, or 8 hours. The unit will automatically shut off after the selected duration.
6.5 Night Light
- Press the Light button to activate the 7-color ambient night light. Press again to cycle through colors or turn off.

6.6 Airflow Adjustment
- Manually adjust the louvers on the front grille to direct the airflow vertically up or down by up to 60 degrees.
7. Maintenance
7.1 Cleaning the Water Tank
Regularly clean the water tank to prevent mineral buildup and maintain hygiene. Unplug the unit before cleaning.
- Empty any remaining water from the tank.
- Wipe the inside of the tank with a soft cloth and mild detergent.
- Rinse thoroughly and allow to air dry before refilling.
7.2 Cleaning the Air Filter/Grille
Periodically clean the front grille and internal filter to ensure optimal airflow and performance.
- Gently wipe the exterior and front grille with a soft, damp cloth.
- If accessible, remove and clean the internal filter according to manufacturer instructions (refer to product diagrams for filter location).
7.3 Storage
When not in use for an extended period, ensure the unit is clean and dry. Store it in a cool, dry place away from direct sunlight.
8. Troubleshooting
If you encounter issues with your YANWEI Portable Air Conditioner, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power supply or loose connection. | Ensure the USB-C cable is securely connected and the power source is active (DC 5V 2A). |
| No mist or weak mist output. | Water tank empty; atomizer blocked; incorrect water type. | Refill water tank. Clean the atomizer area. Use clean tap water. |
| Weak airflow. | Fan speed too low; air inlet/outlet blocked. | Increase fan speed. Ensure no obstructions around the unit. |
| Remote control not working. | Battery depleted; obstruction between remote and unit. | Replace remote control battery. Ensure clear line of sight to the unit's sensor. |
If the problem persists after attempting these solutions, please contact customer support.
9. Specifications
Technical specifications for the YANWEI Portable Air Conditioner Model CF-520:
| Model Name | CF-520 |
| Item Model Number | 30070 |
| Rated Voltage | DC 5V 2A |
| Input Power | 7W |
| Water Tank Capacity | 700 Milliliters |
| Max Wind Speed | 3.8 m/s (12.5 FT/s) |
| Air Flow Capacity | 150 Cubic Feet Per Minute |
| Noise Level | Max 55dB |
| Number of Speeds | 3 |
| Product Dimensions | 6.22"D x 10.1"W x 7.09"H (158x108x238mm) |
| Item Weight | 1.54 pounds (0.73kg) |
| Main Material | ABS+PP |
| Controls Type | Touch Panel, Remote Control |
| Special Features | Silent Operation, Top Refill, Large Water Tank, Leather Handle, 3S Fast Cooling, 7-color Night Light, 3 Humidifying Levels |

10. Warranty Information
The YANWEI 4-IN-1 Portable Air Conditioner Model CF-520 comes with a 1 Year Manufacturer Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or failure to follow the instructions in this manual.
Please retain your proof of purchase for warranty claims.
11. Customer Support
For any questions, concerns, or technical assistance not covered in this manual, please contact YANWEI customer support. Refer to the product packaging or the retailer's website for contact details.