Coway airmega 400S User manual

2
Feature HighlightsThe following features are available for our Airmega Air Purifier.

3
Real-time Air Quality Monitoring
Airmega’s pollution sensor tells you the indoor air quality in real-time. The
brightly colored LED ring lets you know if your indoor air is fresh or unhealthy
every minute of the day.
▶P. 23
Smart Mode
With Smart Mode, Airmega adapts to its surroundings. Fan speeds
automatically adjust based on the room’s air quality and room conditions.
▶P. 21
Mobile Application
With Airmega’s smartphone app, you can monitor the air quality inside your
home, see the status of the filters, schedule the timer, receive real-time
outdoor air quality updates, and even remotely activate the Airmega. (400S
and 300S only)
▶P. 16
Max2 Filter
The Max2 filter (an activated carbon filter plus Green True HEPA filter)
reduces more than 99% of volatile organic compounds (VOCs), odors such as
NH3, CH3CHO. It also captures and reduces up to 99.97 % of airborne particles in the air such as pollen, pollution, and
other allergens.

4
▶P. 8
Filter Lifetime Notifications
With status alerts for the Max2 Filters and the Pre-filters, you’ll know when it’s time to replace them. And because the
Airmega gauges how much air has traveled through it, you can be sure the notifications are accurate.
▶P. 10

5

6

7
Table of Contents
01 BEFORE
USING
THE
PRODUCTSymbols Used in This Manual Illustrations Used in This Manual Safety Instructions
______________________________________ 6666
02 PREPARATIONChecking the Product Parts Diagram
______________________________________________________ 889
03 INSTALLATIONSetting Up the Product Connecting the Power and Turning On the Air Purifier Connecting
the Air Purifier to the Wi‐Fi Network
_____________________________________________________(400S/300S only)
14161415

8
04 OPERATIONSmart Mode - Auto Smart Mode - Sleep Smart Mode - ECO Manual Mode Setting the Timer
Checking the Air Quality Adjusting the Sensor Sensitivity
________________________________________________________
2021212222222323
05 MAINTENANCEFilter Maintenance and Cleaning Parts _
___________________________________________________ 2424
06 APPENDIXTroubleshooting Specification Legal Notice Limited Warranty
_________________________________________________________
3030313132

9
01 BEFORE USING THE PRODUCT
Symbols Used in This ManualThe following symbols are used in this manual to explain procedures,
restrictions, handling precautions, and instructions that should be observed for safety.
Warning indicates a potentially hazardous situation that may result in death or severe injury to the user or others.
WARNING
Caution indicates a potentially hazardous situation that may result in injury to the user or others, or the loss of property.
CAUTION
Note indicates useful tips or additional information for procedures and product use. NOTE
[This square bracket represents control buttons and indicators on the product.e.g., [Power]]
Illustrations Used in This ManualIllustrations used in this manual are of the 400S unless specified.
Safety InstructionsRead and follow all the safety tips and warnings before using the product.

10
• Do not exceed the voltage and power rating of the power outlet or connection device. This may generate excessive heat and
cause electric shock or fire. WARNING •
Disconnect the power plug from the electric outlet if strange sounds, smells, or smoke come from the product. Contact the
customer service center immediately for instructions.
READ AND SAVE THESE INSTRUCTIONS
•Remove the power plug from the electric outlet by grasping
the power plug and pulling it gently. Never pull the cord to
remove the power plug.
•Keep the electric cord away from heat sources.
•Do not repair the product unless this manual recommends
it. Doing so will void your warranty. All repair work must be
carried out by a qualified technician.
•Only use the appropriate type of electric socket for the product.
Connecting the product to an incorrect socket may result in
damage.
•Do not immerse the product or any of its parts in water. Operate
the product only after a qualified technical examines and replaces
the parts that were under water.
•Do not touch the power plug with wet hands.
•If the electric outlet is wet, do not connect the power plug of the
product. Wait till the electric outlet dries completely before use.
•Do not operate the product if the motor fan fails to operate or is
damaged.
•Disconnect the power plug from the electric outlet when the
product is not in use and before cleaning, inspecting, or
replacing parts.
•Use a dedicated electric outlet for the product. Do not
connect the product to a power strip that has connections to
several other products.
•Do not operate the product if the power plug or cords are
damaged.
•Do not forcibly bend, twist, pinch, or damage the power
cord.
•Do not force the power plug into an incorrect electric outlet
or into a loose electric outlet. Contact a qualified technician
to install a proper electric outlet.
•A damaged power plug or cord must be replaced by the
manufacturer or a qualified technician.