Xiaomi Mi Air Purifier 3H User Manual

Introduction

The Xiaomi Mi Air Purifier 3H is designed to provide clean and fresh indoor air by effectively removing pollutants. Featuring a True HEPA H13 3-stage filter system, it captures 99.97% of particles as small as 0.3 microns. This manual provides essential information for setting up, operating, and maintaining your air purifier.

Front view of the Xiaomi Mi Air Purifier 3H, showcasing its minimalist design and integrated OLED display.

Setup

1. Unboxing and Placement

Carefully remove the air purifier from its packaging. Place the unit on a flat, stable surface, ensuring adequate space around it for optimal airflow. Avoid placing it directly against walls or furniture.

The Mi Air Purifier 3H positioned in a living room, demonstrating its compact footprint.

2. Filter Installation

The Mi Air Purifier 3H comes with a pre-installed filter. Before first use, open the rear cover and ensure the filter is properly seated and the plastic packaging is removed. Close the cover securely.

Diagram illustrating the simple three-step process for changing the filter core.

3. Power Connection

Connect the power cable to the port at the back of the air purifier and then plug it into a suitable power outlet.

Rear view of the air purifier, showing the power input and filter compartment.

4. App Connection (Mi Home)

For smart control and monitoring, download the Mi Home app from your device's app store. Follow the in-app instructions to add and connect your Mi Air Purifier 3H to your Wi-Fi network. This enables AI voice control via Alexa or Google Assistant.

Screenshot of the Mi Home app displaying real-time air quality data and control options for the air purifier.

Operation

1. Power On/Off and Mode Selection

Press the power button on the top of the unit to turn it on or off. Use the mode button to cycle through different operating modes: Automatic, Night, and Manual (Favorite). The OLED display will show the current mode and air quality readings.

The OLED touch display provides real-time PM2.5 values, temperature, and humidity, along with current operating mode.

2. Automatic Mode

In Automatic mode, the purifier's sensors monitor the air quality and adjust the fan speed accordingly. This ensures efficient purification without constant manual adjustments.

3. Night Mode

Night mode operates at a whisper-quiet 33 dB, making it ideal for bedrooms or quiet environments. The display brightness is also reduced.

4. Energy Efficiency

The Mi Air Purifier 3H is designed for energy efficiency, consuming approximately 0.9 kWh per 24 hours. Its brushless DC motor and optimized airflow design contribute to quiet and efficient operation.

Visual representation of the air purifier's operational cycles: Normal (33 dBa), Moderate, and High, illustrating its adaptive performance.

5. Official Product Videos

Maintenance

1. Filter Replacement

The filter has a limited lifespan and should be replaced when indicated by the device or Mi Home app. To replace, open the rear cover, unlock the filter base, and pull out the old filter. Insert the new filter, lock the base, and close the cover. Reset the filter lifespan indicator in the app or on the device.

The primary filter layer, designed to capture larger particles.

The True HEPA filter layer, highly effective against fine particles.

The activated carbon filter layer, designed to absorb odors and harmful gases.

2. Sensor Cleaning

Periodically clean the PM2.5 sensor located on the back of the unit to ensure accurate readings. Use a soft, dry cloth or cotton swab to gently wipe the sensor opening.

Troubleshooting

• Device not turning on: Ensure the power cable is securely connected and the power outlet is functional. Check if the filter cover is properly closed.
• Poor purification performance: Check the filter lifespan in the Mi Home app; replace if expired. Ensure the air inlet and outlet are not blocked.
• Abnormal noise: Verify that the filter is correctly installed and not loose. Check for any foreign objects obstructing the fan.
• App connectivity issues: Ensure your Wi-Fi network is stable and the air purifier is within range. Restart the device and try reconnecting via the Mi Home app.

Specifications

Warranty and Support

For warranty information and technical support, please refer to the official Xiaomi website or contact their customer service. Keep your purchase receipt for warranty claims.