XIAOMI Air Purifier 4 Compact

Xiaomi Smart Air Purifier 4 Compact User Manual

Model: AC-M18-SC

1. Introduction

The Xiaomi Smart Air Purifier 4 Compact is designed to provide fresh and clean air throughout your living space. Known for its stylish and efficient products, Xiaomi delivers a compact air purifier that seamlessly integrates into any home environment. This manual provides essential information for the proper setup, operation, and maintenance of your device.

Xiaomi Smart Air Purifier 4 Compact next to a smartphone displaying the Xiaomi Home app
Image: Xiaomi Smart Air Purifier 4 Compact shown next to a smartphone displaying the Xiaomi Home app, illustrating smart control capabilities.

The purifier effectively addresses common indoor air pollutants such as animal hair, kitchen fumes, animal smells, cigarette smoke, flower pollen, dust, and animal dander.

2. Setup

2.1 Unpacking and Placement

Carefully remove the air purifier and all accessories from the packaging. Place the device on a flat, stable surface in a central location within the room to ensure optimal air circulation. Ensure there is adequate space around the purifier for air intake and output.

2.2 Filter Installation

The air purifier comes with a high-performance filter. Refer to the device's instructions for accessing the filter compartment and correctly installing the filter. Ensure the filter is securely in place before operating the device.

Xiaomi Smart Air Purifier 4 Compact next to its filter
Image: The Xiaomi Smart Air Purifier 4 Compact standing next to its cylindrical filter, demonstrating the filter's separate component for installation.

2.3 Power Connection

Connect the power cable to the air purifier and then plug it into a suitable EU standard power outlet. The device is designed for a maximum power consumption of 27 W.

2.4 Connecting to Xiaomi Home App

To unlock smart features, download the Xiaomi Home app on your smartphone. Follow the in-app instructions to connect your air purifier to your home Wi-Fi network. This allows for remote control and monitoring.

3. Operating Instructions

3.1 Control Panel Overview

The top of the air purifier features a control panel for direct interaction. It typically includes buttons for power, mode selection, and indicators for Wi-Fi status and air quality.

Top view of Xiaomi Smart Air Purifier 4 Compact control panel
Image: Top-down view of the Xiaomi Smart Air Purifier 4 Compact's control panel, showing touch buttons for power, mode selection, and Wi-Fi indicator.

3.2 Modes of Operation

  • Standard Mode: Provides general air purification based on detected air quality.
  • Night Mode: Operates at an ultra-low noise level of only 20 dB, with the option to extinguish the screen for undisturbed sleep.
  • Automatic Mode: Adjusts purification speed automatically based on real-time air quality readings.

3.3 App Control

The Xiaomi Home app provides comprehensive control over your air purifier. Through the application, you can:

  • Set work schedules and timers.
  • Adjust purification parameters.
  • Activate parental lock.
  • Monitor real-time air quality, including PM2.5 value (μg/m3).
  • Check Wi-Fi status and active purifier mode.
Rear view of Xiaomi Smart Air Purifier 4 Compact
Image: Rear view of the Xiaomi Smart Air Purifier 4 Compact, highlighting the air quality sensor and filter access panel.

4. Maintenance

4.1 Filter Replacement

The high-performance filter has a large surface area and contains a significant amount of high-quality activated carbon. Filters typically last 6-12 months, ensuring long-lasting performance. The Xiaomi Home app will provide a filter replacement reminder when necessary. Always use genuine Xiaomi replacement filters.

4.2 Cleaning

Regularly wipe the exterior of the air purifier with a soft, dry cloth. For the air intake and output vents, use a soft brush or vacuum cleaner to remove dust accumulation. Ensure the air quality sensor (located at the rear) is kept clean for accurate readings.

5. Troubleshooting

If you encounter issues with your air purifier, consider the following common solutions:

  • Device not turning on: Check if the power cable is securely connected to both the purifier and the power outlet.
  • Poor air purification: Ensure the filter is correctly installed and not expired. Clean the air intake/output vents.
  • Inaccurate air quality readings: Clean the air quality sensor located on the rear of the device.
  • App connectivity issues: Verify your home Wi-Fi network is active and the purifier is within range. Restart the purifier and your router if necessary. Ensure the Xiaomi Home app is updated to the latest version.
  • Unusual noise: Check for any obstructions in the air intake or output. Ensure the device is on a stable surface.

For persistent issues, refer to the official Xiaomi support resources.

6. Specifications

FeatureSpecification
Brand NameXIAOMI
ModelAC-M18-SC
Product DimensionsΦ220x355mm
Net WeightApprox. 2.2 kg
Effective Coverage Area16-27 m²
Noise Level (Night Mode)20dB
CADR Particle230 m³/H
Connectivity TypeWi-Fi
ColorWhite
Max Power Consumption27 W
Energy Consumption (24h)Approx. 0.7 kWh
Filter Lifespan6-12 months
Plug TypeEU

7. User Tips

  • For optimal performance, place the purifier in a central location within the room, away from walls or furniture that might obstruct airflow.
  • Regularly check the filter status via the Xiaomi Home app to ensure timely replacement and consistent air quality.
  • Utilize Night Mode for quiet operation during sleep, ensuring clean air without disturbing your rest.
  • Take advantage of the app's scheduling features to automate purification cycles, ensuring fresh air when you need it most.

8. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the official Xiaomi website or contact your local authorized service center. Keep your purchase receipt as proof of purchase for any warranty claims.

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