1. Introduction
Thank you for choosing the Xiaomi Mijia Smart Dehumidifier 13L. This intelligent dehumidifier is designed to efficiently remove excess moisture from your indoor environment, creating a more comfortable and healthier living space. Featuring smart control via the Mi Home APP, a low-noise operation, and a 3-liter water tank, it offers convenience and powerful performance. Please read this manual carefully before use to ensure proper operation and maintenance.
2. Important Safety Information
- Always place the dehumidifier on a stable, level surface.
- Ensure adequate clearance around the unit for proper airflow (at least 20 cm from walls or furniture).
- Do not block the air inlet or outlet.
- Do not operate the unit near water or in excessively wet environments.
- Unplug the dehumidifier before cleaning or performing any maintenance.
- Keep out of reach of children and pets.
- Use only the specified power voltage (220V~, 50Hz).
- If the power cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons to avoid a hazard.
3. Product Overview and Features
The Xiaomi Mijia Smart Dehumidifier 13L is engineered with advanced features for optimal performance and user convenience.
Key Features:
- High Dehumidification Capacity: Removes up to 13 liters of moisture per day (at 30°C/80% RH).
- Large Water Tank: Equipped with a 3-liter water tank, reducing the frequency of emptying.
- Intelligent Control: Connects via Wi-Fi (IEEE 802.11b/g/n 2.4G) to the Mi Home APP for remote control and smart automation.
- Low Noise Operation: Operates at a low noise level, as quiet as 35dB, ensuring minimal disturbance.
- Real-time Humidity Display: Digital display on the top panel shows current humidity levels.
- Concealed Universal Wheels: Allows for easy movement without scratching floors.
- Automatic Air Drying: Internal components are automatically dried when the machine is turned off to reduce bacterial growth.
- Fine Antibacterial Filter: Helps to purify the air by trapping dust and bacteria.
- Multiple Operating Modes: Includes Intelligent Mode (maintains 40%-70% RH), Drying Mode, and Sleep Mode.

Figure 3.1: Xiaomi Mijia Smart Dehumidifier 13L in a living room.

Figure 3.2: Top panel with real-time humidity digital display.

Figure 3.3: Concealed universal wheels for mobility.

Figure 3.4: Fine Antibacterial Filter.

Figure 3.5: Internal structure highlighting key components for quiet and efficient operation.
4. Setup Guide
4.1 Unpacking
- Carefully remove the dehumidifier from its packaging.
- Check for any signs of damage during transit.
- Ensure all components are present: dehumidifier unit, power cord, and user manual.
4.2 Placement
- Place the dehumidifier on a firm, level surface in the area where dehumidification is needed.
- Maintain at least 20 cm (8 inches) of space around the unit to allow for proper air circulation.
- Avoid placing the unit near heat sources, in direct sunlight, or in areas with excessive dust.
4.3 Power Connection
- Connect the power cord to the dehumidifier and then plug it into a suitable 220V~, 50Hz electrical outlet.
- Note: The original packaging comes with a US plug. An adapter may be required for other regions.
4.4 Mi Home APP Setup
To utilize the smart control features, download and set up the Mi Home APP:
- Download the Mi Home APP from your smartphone's app store.
- Open the APP and create an account or log in.
- Important: Change the region setting in the Mi Home APP to "China Mainland" for proper device detection and functionality.
- Follow the in-app instructions to add the Xiaomi Mijia Smart Dehumidifier 13L to your devices. Ensure your phone is connected to a 2.4G Wi-Fi network during setup.

Figure 4.1: Controlling the dehumidifier via the Mi Home APP.
5. Operating Instructions
5.1 Power On/Off
- Press the power button on the top panel or use the Mi Home APP to turn the unit on or off.
- When turning off, the unit will perform an automatic air drying cycle to prevent mold growth inside.
5.2 Setting Humidity Levels
- Use the controls on the top panel or the Mi Home APP to set your desired humidity level. The unit will operate until the set humidity is reached and then cycle on/off to maintain it.
- The recommended indoor humidity level is between 40% and 60% RH.
5.3 Operating Modes
The dehumidifier offers several operating modes:
- Intelligent Mode: Automatically adjusts operation to maintain a comfortable humidity level, typically between 40%-70% RH.
- Drying Mode: Provides continuous dehumidification for faster drying, suitable for laundry or very damp rooms.
- Sleep Mode: Operates at the lowest fan speed and noise level, maintaining humidity between 40%-70% RH for undisturbed rest.

Figure 5.1: Different operating modes for various needs.
5.4 Water Tank Management
- The dehumidifier has a 3-liter water tank. When the tank is full, the unit will automatically stop operating and an indicator light will illuminate.
- Carefully remove the water tank from the unit, empty the collected water, and then reinsert it securely. The unit will resume operation.
- For continuous drainage, a hose can be connected to the drainage port (if available, check product for specific port location) to direct water to a floor drain.

Figure 5.2: The 3L large water tank.
6. Maintenance
Regular maintenance ensures the longevity and efficiency of your dehumidifier.
6.1 Cleaning the Air Filter
- The fine antibacterial filter should be cleaned regularly, typically every two weeks or as needed depending on usage and air quality.
- Turn off and unplug the dehumidifier.
- Locate and remove the air filter (refer to the diagram for filter location).
- Gently vacuum any dust or debris from the filter. If heavily soiled, wash it with lukewarm water and a mild detergent.
- Allow the filter to air dry completely before reinserting it into the unit.
6.2 Cleaning the Water Tank
- Empty the water tank and rinse it with clean water.
- If there is any residue or mold, clean the tank with a mild detergent and a soft cloth.
- Ensure the tank is thoroughly dry before placing it back into the dehumidifier.
6.3 General Cleaning
- Wipe the exterior of the dehumidifier with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface.
7. Troubleshooting
If you encounter issues with your dehumidifier, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Dehumidifier does not turn on | No power; Power cord not securely plugged in; Water tank full or not properly inserted. | Check power supply; Ensure power cord is firmly connected; Empty and reinsert water tank correctly. |
| Unit is running but not dehumidifying | Air filter clogged; Room temperature too low (below 5°C); Humidity setting too high. | Clean the air filter; Ensure room temperature is within operating range (5°C-35°C); Lower the desired humidity setting. |
| Unusual noise | Unit not on a level surface; Obstruction in fan; Loose parts. | Place on a flat, stable surface; Check for and remove any obstructions; Contact support if noise persists. |
| Mi Home APP connection issues | Incorrect Wi-Fi network (not 2.4G); Mi Home APP region setting incorrect; Dehumidifier too far from router. | Ensure connection to 2.4G Wi-Fi; Set Mi Home APP region to "China Mainland"; Move unit closer to router or improve Wi-Fi signal. |
For further assistance, refer to the Mi Home APP or contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Product Model | DM-CS13BFA5A |
| Product Size | 290 x 520 mm |
| Net Weight | 11.1 kg |
| Rated Voltage | 220V~ |
| Rated Frequency | 50Hz |
| Water Tank Capacity | 3.0 L |
| High Temperature Dehumidification Capacity | 13 L/D (at 30°C/80% RH) |
| Nominal Dehumidification Capacity | 0.29 kg/h (at 27°C/60% RH) |
| Refrigerant Specification | R290/0.038 kg |
| Fuse Specification | 3.15A/250V |
| Power Cord Specification | 3 x 0.75 mm² |
| Working Environment Temperature | 5°C ~ 35°C |
| Maximum Input Power | 250 W |
| Maximum Input Current | 1.52 A |
| Air Volume | 140 m³/h |
| Noise Level | ≤ 38 dB (A) |
| Nominal Dehumidification Power | 180 W |
| Wireless Connection | Wi-Fi IEEE 802.11b/g/n 2.4G |

Figure 8.1: Product Dimensions.
9. User Tips
- Maximize Wi-Fi Control: Ensure your Mi Home APP is set to the 'China Mainland' region for seamless integration and control of your dehumidifier. This allows you to leverage all smart features, including remote operation and scheduling.
- Versatile Use: This dehumidifier is designed for multiple functions. Beyond standard room dehumidification, consider using its 'Drying Mode' for faster drying of laundry in damp conditions or to quickly reduce humidity in specific areas like basements or bathrooms.
- Optimal Placement: For best results, place the dehumidifier in the center of the room or area you wish to dehumidify, rather than tucked away in a corner. This allows for better air circulation and more efficient moisture removal.
10. Frequently Asked Questions (FAQ)
- Q: What are the benefits of using this dehumidifier?
- A: The Xiaomi Mijia Smart Dehumidifier helps to reduce excess moisture, prevent mold and mildew growth, alleviate allergy symptoms, protect household items from dampness, and create a more comfortable indoor environment. Its smart features and low noise operation enhance these benefits.
- Q: How do I connect it to other devices?
- A: You can connect the dehumidifier to your smartphone using Wi-Fi via the Mi Home APP. Ensure your phone is on a 2.4G Wi-Fi network and the APP region is set to 'China Mainland' during the pairing process.
- Q: What can I use it for?
- A: This product serves multiple functions. It can be used for general room dehumidification, drying clothes, preventing dampness in basements or storage areas, and maintaining optimal humidity levels in living spaces to improve air quality and comfort.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Xiaomi website or contact your local authorized dealer. Keep your purchase receipt as proof of purchase for warranty claims.





