MIAIR4COMPACT - Air purifier Xiaomi - Free user manual and instructions
Find the device manual for free MIAIR4COMPACT Xiaomi in PDF.
| Product type | Smart air purifier |
| Brand | Xiaomi |
| Model | MIAIR4COMPACT (AC-M18-SC) |
| Dimensions | Φ220 × H355 mm |
| Net weight | Approx 2.2 kg |
| Power supply | AC adapter 100-240 V~, 50/60 Hz; output 24 V=, 27 W |
| Standby power consumption | < 2.00 W |
| Particle CADR | 230 m³/h |
| Effective coverage area | 16–27 m² |
| Noise level | ≤ 60 dB(A) |
| Connectivity | Wi-Fi IEEE 802.11 b/g/n 2.4 GHz |
| Control | Touch buttons and Mi Home / Xiaomi Home app |
| Functions | Purification, speed modes, night light, child lock, timer (via app) |
| Indicators | Air quality, filter status, Wi-Fi, child lock |
| Filter type | Composite filter (pre-filter + HEPA + activated carbon) |
| Filter replacement | Every 6 to 12 months, depending on usage |
| Maintenance | Clean filter compartment and laser sensor every 6 months |
| Safety | Child lock, automatic shutdown in case of anomaly, detection of improperly installed filter |
| Included accessories | Power adapter, user manual |
| Warranty | Limited warranty according to local laws, see conditions on Xiaomi website |
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USER MANUAL MIAIR4COMPACT Xiaomi
Xiaomi Smart Air Purifier 4 Compact User Manual
Xiaomi Smart Air Purifier 4 Compact User Manual 10
19
Xiaomi Smart Air Purifier 4 Compact User Manual 28
User Manual for Xiaomi Air Purifier
Xiaomi Smart Air Purifier 4 Compact User Manual 55
Xiaomi 4 Compact S LiJgIy
WARNING
- When the power adapter is damaged, it must be replaced with a genuine power adapter purchased from the manufacturer or after-sales service department.
- This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
- Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
- Make sure the purifier is turned off and unplugged before performing the maintenance.
Precautions
- Turn off and unplug the purifier before moving it.
The purifier cannot turn on when the fan grille and the filter compartment cover are not installed properly. Maintain a distance of at least 20 cm between the air inlets and walls or other objects.
- Prior to cleaning or other maintenance, the appliance must be disconnected from the supply mains.
- Frequently remove dust, hair, and other particles from the outer mesh screen of the filter to reduce the chance of bacteria growth.
- Remove dust, hair, and particles from the purifier's air inlets to prevent a reduction of air intake. Cover the air outlet to prevent dust, hair, and other particles from falling in when the purifier is left unused for a long time.
To avoid fire, electric shocks, or other damage, use the power adapter and electrical outlet as instructed below: Do not excessively pull, twist, or bend the power adapter, as this may expose or break the cord's core. - The power adapter must be plugged into a suitable electrical outlet. - Use the power adapter that is provided with the purifier; do not use any third-party power adapters. - Always unplug the purifier before carrying out maintenance or moving the air purifier. - Immediately stop using the purifier if it makes unusual sounds, gives off bad odors, overheats, or its fan rotates irregularly. Do not stick your fingers or foreign objects into the protective parts, movable parts, air inlets, or air outlets. - Keep objects such as hairs or fabrics away from the purifier to avoid blocking the air inlets or air outlets. - Do not sit on, lean on, or tilt the purifier. - When using in conjunction with gas-fueled appliances (such as gas stoves, gas heaters), ventilate sufficiently to avoid carbon monoxide poisoning. - Do not pour liquids, nor throw powders or other small substances into the purifier's air outlet. - Make sure no inflammable objects get into the purifier.
Do not use the purifier in the following circumstances, as they may result in electric shocks, fire, or other damage: - Near open flames, such as candles, incense burners, stoves, fireplaces, cigarettes, firecrackers, lighters, multipurpose torches, candle lighters, or fire pans. - Near appliances that generate high temperatures, such as electric heaters, fan heaters, electric foot warmers, electric stoves, or electric irons. - In unstable locations where the purifier can easily fall over. - In environments that are extremely hot, humid, or damp, such as bathrooms.
Product Overview
Read this manual carefully before use, and retain it for future reference.
Note: Illustrations of product, accessories, and user interface in the user manual are for reference purposes only.
Actual product and functions may vary due to product enhancements.
Front View
Rear View
Display Instructions

Installation
Placing the Purifier
For optimal performance, make sure the distances between the purifier's air inlets and other objects such as walls meet the requirements suggested below.
Connecting to an electrical outlet
Connect the power cord to the power port at the bottom of the purifier and then plug it into an electrical outlet.


Note: It is recommended to keep doors and windows closed for a better purifying effect when using the purifier.
How to Use
Turning on/off
Press the power button to turn on/off the purifier.

Resetting Wi-Fi
- When connecting the purifier to the app for the first time or unable to connect to it, press and hold the light adjustment button for 7 seconds. Once the Wi-Fi is successfully reset, the purifier will make a notification sound and the Wi-Fi indicator will blink.
- Once the Wi-Fi is connected successfully, the Wi-Fi indicator will remain lit.
- If the Wi-Fi connection fails after a timeout, the Wi-Fi indicator will go out.


Adjusting the display's brightness
Press the light adjustment button to cycle through its brightness levels: on, dim, and off.
Switching mode
While the purifier is on, press the mode switch button to cycle through modes.

Enabling/Disabling Wi-Fi
- To enable or disable Wi-Fi, simultaneously press and hold the mode switch button and the light adjustment button for 15 seconds.
- The Wi-Fi indicator is on when Wi-Fi is enabled, and off when Wi-Fi is disabled.

Filter Exhaustion Reminder
When the filter is exhausted, the filter exhaustion indicator on the display will blink.

Daily Care & Maintenance
Enabling/disabling the child lock function
- To enable or disable the child lock, press and hold the mode switch button for 7 seconds.
- The child lock indicator is on when the child lock function is enabled, and off when the function is disabled.

Connecting with Mi Home/Xiaomi Home app
This product works with Mi Home/Xiaomi Home app*. Control your device with Mi Home/Xiaomi Home app.
Scan the QR code to download and install the app. You will be directed to the connection setup page if the app is installed already. Or search "Mi Home/Xiaomi Home" in the app store to download and install it.
Open Mi Home/Xiaomi Home app, tap "e" on the upper right, and then follow prompts to add your device.
*The app is referred to as Xiaomi Home app in Europe (except for Russia). The name of the app displayed on your device should be taken as the default.
Note: The version of the app might have been updated, please follow the instructions based on the current app version.
Warning: Make sure the purifier is turned off and the power adapter is unplugged before replacing the filter.
Replacing the Filter
Remove the old filter and install a new one correctly as illustrated.

Resetting the filter
While the purifier is on standby, press and hold the power button for 6 seconds. When the filter is successfully reset, the purifier will make a notification sound and the air quality indicator will remain green for 1 second.

Note: It is recommended to replace the filter every 6 to 12 months. Please purchase genuine and compatible filters from official channels.
Warning: Make sure the purifier is turned off and the power adapter is unplugged before performing the following operations.
Cleaning the filter compartment
To ensure optimal ventilation and purification, use a vacuum cleaner to remove any dust from the air inlets and the filter compartment, or wipe these areas gently with a soft cloth.

Cleaning the particle sensor
Use a non-sharp tool to open the cover of the laser particle sensor, and then use an air blow gun or hair dryer to clean the cover and the sensor, as illustrated in the figure. It is suggested to use a dry cotton swab and gently wipe the dust adhering to the sensor every half year.

Note: To avoid damaging the purifier, do not rinse or spray the purifier directly with water, or wipe it with a soaking wet cloth.
Note: Do not use hot air.
Specifications
Name: XIAOMI Smart Air Purifier 4 Compact
Model: AC-M18-SC
Item Dimensions: Φ 220 × H355 mm
Net Weight: Approx. 2.2 kg
Effective Coverage: 16 - 27 m²*
Rated Voltage: 24 V ..
Power Adapter Rated Input:
100-240 V~, 50/60 Hz
Rated Power: 27 W
Noise Level: ≤60 dB(A)
*Calculated according to standard GB/T 18801-2015
Particle's Clean Air Delivery Rate (CADR Particle): 230 m³/h
Particle Purification Efficiency: High
Network Standby Power Consumption: < 2.00 W
Wireless Connectivity: Wi-Fi IEEE 802.11 b/g/n 2.4 GHz
Storage Temperature: -10°C to 40°C
Storage Humidity: 5%-90% RH
Production Date: See packaging
For details of the importer, please refer to the box.
RF Specification:
Operation Frequency: 2400-2483.5 MHz
Maximum Output Power: < 20 dBm
Under normal use conditions, this equipment should be kept at a separation distance of at least 20 cm between the antenna and the body of the user.
Regulatory Compliance Information
Europe - EU declaration of conformity

Hereby, Beijing Smartmi Electronic Technology Co., Ltd. declares that the radio equipment type AC-M18-SC is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: http://www.mi.com/global/service/support/declaration.html
Disposal and recycling information

All products bearing this symbol are waste electrical and electronic equipment (WEEE as in directive 2012/19/EU) which should not be mixed with unsorted household waste. Instead, you should protect human health and the environment by handing over your waste equipment to a designated collection point for the recycling of waste electrical and electronic equipment, appointed by the government or local authorities. Correct disposal and recycling will help prevent potential negative consequences to the environment and human health. Please contact the installer or local authorities for more information about the location as well as terms and conditions of such collection points.
Manufactured by: Beijing Smartmi Electronic Technology Co., Ltd.
(a Mi Ecosystem company)
Address: Room 6111, 1st Floor, Building 6, No.18 Xueqing Road, Haidian District, Beijing, China
For further information, please go to www.mi.com
For detailed e-manual, please go to www.mi.com/global/service/userguide
Made in China
Warning
following Internet address: http://www.mi.com/global/service/support/declaration.html
Address: Room 6111, 1st Floor, Building 6, No.18 Xueqing Road,
Haidian District, Beijing, China
www.mi.com/global/service/userguide
Made in China
Warning
Address: Room 6111, 1st Floor, Building 6, No.18 Xueqing Road, Haidian District, Beijing, China
Address: Room 6111, 1st Floor, Building 6, No.18 Xueqing Road, Haidian District, Beijing, China
When the filter is exhausted, the filter exhaustion indicator on the display will blink.



Address: Room 6111, 1st Floor, Building 6, No.18 Xueqing Road, Haidian District, Beijing, China
More information: www.mi.com
Switching on and off
Press the power button to turn the purifier on/off.

Reset Wi-Fi settings
If the purifier cannot connect to the app on first connection, press and hold the light adjustment button for 7 seconds. After a successful Wi-Fi settings reset, the purifier will emit a sound signal, and the Wi-Fi indicator will blink. After successful Wi-Fi connection, the Wi-Fi indicator will stay on. If the Wi-Fi connection is interrupted after a timeout, the Wi-Fi indicator will turn off.


Switching modes
When the purifier is on, press the mode switch button to switch between modes.

Turning Wi-Fi on/off
To turn Wi-Fi on or off, simultaneously press and hold the mode switch button and the light adjustment button for 15 seconds. The Wi-Fi indicator is on when Wi-Fi is enabled, and off when Wi-Fi is disabled.
Adjusting display brightness
Press the display on/off button to cycle through brightness levels: on, dimmed, and off.

Filter replacement reminder
Rated power: 27 W
Noise level: ≤ 60 dB(A)
Power consumption in standby mode: < 2.00 W
Particle filtration efficiency: high
Clean air delivery rate (CADR particulate): 230 m³/h
Wireless connection: Wi-Fi IEEE 802.11 b/g/n, 2.4 GHz
Storage temperature: -10°C to 40°C
Storage humidity: 5% - 90% RH
Distance not less than 20 cm.
Safe service life: 5.7 years
The safe service life starts from the date of purchase and is counted discontinuously. The safe service life will be shorter if the product is used in environments with high temperatures, high humidity, or high salt content. *If the product is still used beyond the safe service life, the product may malfunction, causing fire, electric shock, or other safety hazards. It is recommended to stop using the product and replace it with a new one.
Address: Room 6111, 1st Floor, Building 6, No.18 Xueqing Road, Haidian District, Beijing, China
For more information, please visit www.mi.com
For detailed electronic manual, see www.mi.com/global/service/userguide

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Wi-Fi settings:
To connect to Wi-Fi, press the Wi-Fi button on the device. The Wi-Fi indicator will light up. Then, use your smartphone to search for the Wi-Fi network and enter the password. Once connected, the Wi-Fi indicator will remain solid.
Wi-Fi connection:





Mi Home/Xiaomi Home
Xiaomi 4 Compact model: AC-M18-SC
Dimensions: 355×220 mm
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www.mi.com/global/service/userguide
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WARRANTY NOTICE
THIS WARRANTY GIVES YOU SPECIFIC RIGHTS, AND YOU MAY HAVE OTHER RIGHTS CONVEYED BY LAWS OF YOUR COUNTRY, PROVINCE OR STATE. IN SOME COUNTRIES, PROVINCES OR STATES, CONSUMER LAW MAY IMPOSE A MINIMUM WARRANTY PERIOD. OTHER THAN AS PERMITTED BY LAW, XIAMI DOES NOT EXCLUDE, LIMIT OR SUSPEND OTHER RIGHTS YOU MAY HAVE. FOR A FULL UNDERSTANDING OF YOUR RIGHTS WE INVITE YOU TO CONSULT THE LAWS OF YOUR COUNTRY, PROVINCE OR STATE.
1. LIMITED PRODUCT WARRANTY
XIAOMI warrants that the Products are free from defects in materials and workmanship under normal use and use in accordance with the respective Product user manual, during the Warranty Period.
The duration and conditions related to the legal warranties are provided by respective local laws. For more information about the consumer warranty benefits, please refer to Xiaomi's official website https://www.mi.com/en/service/warranty/.
Xiaomi warrants to the original purchaser that its Xiaomi Product will be free from defects in materials and workmanship under normal use in the period mentioned above.
Xiaomi does not guarantee that the operation of the Product will be uninterrupted or error free.
Xiaomi is not liable for damages arising from non-compliance with the instructions related to the use of the Product.
2. REMEDIES
If a hardware defect is found and a valid claim is received by Xiaomi within the Warranty Period, Xiaomi will either (1) repair the product at no charge, (2) replace the product, or (3) refund the Product, excluding potential shipping costs.
3. HOW TO OBTAIN WARRANTY SERVICE
To obtain warranty service, you must deliver the Product, in its original packaging or similar packaging providing an equal degree of Product protection, to the address specified by Xiaomi. Except to the extent prohibited by applicable law, Xiaomi may require you to present proofs or proof of purchase and/or comply with registration requirements before receiving warranty service.
4. EXCLUSIONS AND LIMITATIONS
Unless otherwise stipulated by Xiaomi, this Limited Warranty applies only to the Product manufactured by or for Xiaomi and identifiable by the trademarks, trade name, or "Xiaomi" or "Mi" logo.
The Limited Warranty does not apply to any (a) Damage due to acts of nature or God, for example, lightning strikes, tornadoes, flood, fire, earthquake, or other external causes; (b) Negligence; (c) Commercial use; (d) Alterations or modifications to any part of the Product; (e) Damage caused by use with non-Xiaomi products; (f) Damage caused by accident, abuse, or misuse; (g) Damage caused by operating the Product outside the permitted or intended uses described by Xiaomi or with improper voltage or power supply; or (h) Damage caused by service (including upgrades and expansions) performed by anyone who is not a representative of Xiaomi.
It is your responsibility to backup any data, software, or other materials you may have stored or preserved on the product. It is likely that the data, software, or other materials in the equipment will be lost or reformatted during the service process. Xiaomi is not responsible for such damage or loss.
No Xiaomi reseller, agent, or employee is authorized to make any modification, extension, or addition to this Limited Warranty. If any term is held to be illegal or unenforceable, the legality or enforceability of the remaining terms shall not be affected or impaired.
Except as prohibited by laws or otherwise promised by Xiaomi, the after-sales services shall be limited to the country or region of the original purchase.
Products which were not duly imported and/or were not duly manufactured by Xiaomi and/or were not duly acquired from Xiaomi or a Xiaomi's official seller are not covered by the present warranties. As per applicable law, you may benefit from warranties from the non-official retailer who sold the product. Therefore, Xiaomi invites you to contact the retailer from whom you purchased the product.
The present warranties do not apply in Hong Kong and Taiwan.
5. IMPLIED WARRANTY
Except to the extent prohibited by applicable law, all implied warranties (including warranties of merchantability and fitness for a particular purpose) will have a limited duration up to a maximum duration of this limited warranty. Some jurisdictions do not allow limitations on the duration of an implied warranty, so the above limitation will not be applied in these cases.
6. DAMAGE LIMITATION
Except to the extent prohibited by applicable law, Xiaomi shall not be liable for any damages caused by accidents, indirect, special or consequential damages, including but not limited to loss of profits, revenue or data, damages resulting from any breach of express or implied warranty or condition, or under any other legal theory, even if Xiaomi has been informed of the possibility of such damages. Some jurisdictions do not allow the exclusion or limitation of special, indirect, or consequential damages, so the above limitation or exclusion may not apply to you.
7. XIAOMI CONTACTS
For customers, please visit the website: https://www.mi.com/en/service/warranty/
The contact person for the after-sale service may be any person in Xiaomi's authorized service network, Xiaomi's authorized distributors or the final vendor who sold the products to you. If in doubt please contact the relevant person as Xiaomi may identify.
WARRANTY NOTICE
THIS WARRANTY GIVES THE CUSTOMER SPECIFIC LEGAL RIGHTS, AND THE CUSTOMER MAY HAVE OTHER RIGHTS PROVIDED BY THE LAWS OF THEIR COUNTRY, PROVINCE OR STATE. IN SOME COUNTRIES, PROVINCES OR STATES, CONSUMER PROTECTION LAW MAY IMPOSE A MINIMUM WARRANTY PERIOD. EXCEPT AS PERMITTED BY LAW, XIAOMI DOES NOT EXCLUDE, LIMIT OR SUSPEND OTHER RIGHTS THAT THE USER MAY HAVE. FOR A COMPLETE UNDERSTANDING OF YOUR RIGHTS, WE INVITE USERS TO CONSULT THE LAWS OF THEIR COUNTRY, PROVINCE OR STATE.
1. LIMITED PRODUCT WARRANTY
For customers, please visit the website: https://www.mi.com/en/service/warranty/
4. WARRANTY LIMITATIONS
This limited warranty applies only to the product manufactured by Xiaomi or its affiliates, bearing its trademarks, trade name, or logo "Xiaomi" or "Mi", unless otherwise provided by Xiaomi.
The limited warranty does not cover (a) damage caused by force majeure, such as lightning, storm, flood, fire, earthquake, or other natural disasters; (b) negligence; (c) commercial use; (d) modification or alteration of any part of the product; (e) damage caused by using products of other manufacturers; (f) damage caused by accident, abuse, or improper use; (g) damage caused by using the product outside the permitted or intended use described by Xiaomi, or as a result of improper voltage or power supply; (h)
damage caused by servicing (including updates and expansions) by persons who are not authorized representatives of Xiaomi.
Creating backup copies, software, and other materials that you may store on the product is your responsibility. Xiaomi is not liable for any loss or reformatting of data, software, or other materials stored on the device during the course of use.
No reseller or agent of Xiaomi is authorized to make any modifications or additions to this warranty. If any term is found to be invalid or legally unenforceable, the legality and enforceability of the remaining provisions shall not be affected or impaired.
After-sales service will be provided within the warranty period, except for cases prohibited by law or unless otherwise provided by Xiaomi.
This warranty does not cover products that were not properly imported, were manufactured by companies other than Xiaomi, or were repaired by non-Xiaomi entities without Xiaomi's official authorization. In accordance with applicable law, you may be entitled to a warranty from the official distributor who sold the product. Therefore, Xiaomi recommends contacting the seller from whom you purchased the product.
This warranty does not apply in Taiwan.
5. IMPLIED WARRANTIES
Except for cases prohibited by law, implied warranties (including warranties of merchantability and fitness for a particular purpose) are limited to the duration of this express warranty. In some jurisdictions, limitations on the duration of implied warranties are not permitted. In such cases, the aforementioned limitation may not apply.