1. はじめにview
The Airthereal AEH300 is a versatile 2-in-1 appliance designed to improve your indoor air quality and comfort. It combines the functions of an air purifier and a humidifier in a single unit. This device features advanced filtration technology for air purification and maintains optimal humidity levels to alleviate dryness.
主な機能は次のとおりです。
- 2-in-1 機能: Combines air purification and humidification.
- 高度な空気浄化: Utilizes a 3-layer filtration system to remove airborne pollutants, allergens, and odors.
- 最適な加湿: Maintains desired humidity levels, beneficial during dry seasons.
- ユーザーフレンドリーなデザイン: Features an intuitive interface with easy-to-use controls.
- 静かなスリープモード: Operates at a low noise level for undisturbed rest.
- Auto Humidity Control: Automatically adjusts humidity to a comfortable level.
- Air Quality Monitor: Detects PM2.5 levels and provides real-time feedback.
- タイマー機能: Customizable operation from 1 to 24 hours.
- チャイルドロック: 設定が誤って変更されるのを防ぎます。

Image: Airthereal AEH300 2-in-1 Air Purifier and Humidifier with key features such as 3-in-1 HEPA filter, Sleep Mode, 1.5L Water Tank, 4 Wind Speed, Auto Humidity Control, PM2.5 Detection, 1-24H Timer Setting, Auto Mode, and Child Lock.
2. 安全に関する注意事項
Please read all safety instructions carefully before using the Airthereal AEH300 to prevent injury or damage to the device.
- ユニットは常に堅固で水平な面に設置してください。
- 空気の入口や出口を塞がないでください。
- ユニットを水やその他の液体から遠ざけてください。
- 清掃やメンテナンスを行う前に、ユニットのプラグを抜いてください。
- 電源コードやプラグが損傷している場合は、本製品を使用しないでください。
- お子様やペットの手の届かない場所に保管してください。
- Use only original Airthereal replacement filters.
- ユニットを自分で修理または改造しようとしないでください。サポートが必要な場合は、カスタマー サポートにお問い合わせください。
3. Product Components and Filtration System
The Airthereal AEH300 consists of a main unit, a multi-layer air filter, and a humidifier filter. The air purification system employs a 3-layer filtration process:
- Pre-Filter (Nylon Mesh): ほこり、糸くず、ペットの毛などの大きな粒子を捕らえます。
- HEPAフィルター: Traps fine particles like PM2.5, pollen, and pet dander.
- 活性炭フィルター: Absorbs odors, smoke, and harmful gases like formaldehyde and toluene.

Image: Diagram illustrating the 3-layer powerful filtration system for deep air purification, showing the Pre-Filter (Nylon Mesh), HEPA Filter, and Activated Carbon Filter.

Image: Detailed diagram of the air purification process, showing how the Pre-Filter, HEPA Filter, and Activated Carbon Filter capture smoke, odors, and pollutants.
4. セットアップ
Follow these steps to set up your Airthereal AEH300 unit:
- ユニットを開梱します: ユニットとすべての梱包材を箱から慎重に取り出します。
- ユニットを配置します。 Position the unit on a flat, stable surface, ensuring there is at least 6 inches (15 cm) of space around all sides for proper airflow.
- フィルターのインストール/確認: The filters are typically pre-installed but may be wrapped in plastic for shipping. Open the bottom cover to access the air filter and ensure it is unwrapped and correctly seated. For the humidifier filter, open the top lid of the water tank, twist to unlock and remove the filter, remove any plastic, then insert the new filter and twist to lock.
- Fill the Water Tank (for Humidifier function): Open the top lid of the unit. Pour clean, cool tap water directly into the water tank. Do not exceed the maximum fill line (1.5L / 3 Pints). Close the lid securely.
- 接続電源: 電源コードを標準の電源コンセントに差し込みます。

Image: Step-by-step guide for replacing the humidifier filter: 1. Open the lid on top of the water tank. 2. Twist to unlock and remove the filter. 3. Insert the new filter. 4. Twist to lock. 5. Close the lid.

Image: User pouring water directly into the top-fill water tank of the Airthereal AEH300, demonstrating the easy top-fill design.
5. 操作手順
The control panel is located on the top of the unit. Use the touch controls to operate the device.
電源オン/オフ
- タッチ 電源ボタン (
) ユニットの電源をオンまたはオフにします。
モード
- 自動モード: タッチ 自動ボタン (
) to activate. The unit will automatically adjust fan speed based on detected PM2.5 levels. - スリープモード: タッチ スリープボタン (
) to enter sleep mode. The display lights will dim or turn off, and the fan will operate at its lowest, quietest setting.

Image: Airthereal AEH300 operating in Auto Mode. The unit detects indoor air quality (PM2.5) and automatically adjusts the wind speed from level 1 to 4 to purify the air.

Image: Airthereal AEH300 in Whisper-Quiet Sleep Mode (24dB). The display light is off, and a 1-24 hour timer can be set. Air quality indicators (Green: Good, Orange: Medium, Red: Unhealthy) are shown.
ファン速度
- タッチ ファン速度ボタン (
) repeatedly to cycle through 4 fan speed levels.
タイマー
- タッチ タイマーボタン (
) to set the operating time from 1 to 24 hours. The unit will automatically turn off after the set time.
チャイルドロック
- を押し続けます チャイルドロックボタン (
) for 3 seconds to activate or deactivate the child lock. When active, other buttons will not respond.
大気質表示
- The digital display shows real-time PM2.5 levels. A color indicator light changes based on air quality:
- 緑: Good air quality (PM2.5 ≤ 12)
- オレンジ: Medium air quality (12 < PM2.5 ≤ 35)
- 赤: Unhealthy air quality (PM2.5 > 35)

Image: Display showing PM2.5 levels and corresponding air quality indicators (Green for Good, Orange for Medium, Red for Unhealthy).

Image: Comparison showing the unit operating with the humidifier function (adding moisture) versus air purifier only (enjoying fresh, clean air).
6. メンテナンス
Regular maintenance ensures the optimal performance and longevity of your Airthereal AEH300.
エアフィルターの交換
The air filter should be replaced periodically, typically every 6-8 months, depending on usage and air quality. The unit comes with 1 spare air filter.
- ユニットを電源コンセントから抜きます。
- Turn the unit upside down and twist the bottom cover counter-clockwise to unlock.
- 古いエアフィルターを取り外します。
- Insert the new air filter, ensuring it is seated correctly.
- 底カバーを元に戻し、時計回りに回してロックします。
- Plug in the unit and reset the filter replacement indicator (if applicable, refer to the full manual for specific button combination).
Humidifier Filter Replacement
The humidifier filter should be replaced every 6 months to maintain efficient humidification and prevent mineral buildup. The unit comes with 2 spare humidifier filters.
- Unplug the unit and remove the top lid.
- Twist the humidifier filter counter-clockwise to unlock and lift it out.
- 古いフィルターを破棄します。
- Insert a new humidifier filter and twist clockwise to lock it into place.
- 上蓋を交換してください。

Image: Close-up of the humidifier filter, designed for long-lasting freshness and resistance to yellowing.
ユニットのクリーニング
- 本体の外側は、乾いた柔らかい布で拭いてください。
- 研磨剤や溶剤は使用しないでください。
- Clean the water tank regularly to prevent mold or mildew growth. Use a mild detergent and rinse thoroughly.
7。 トラブルシューティング
If you encounter issues with your Airthereal AEH300, please refer to the following common troubleshooting steps:
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| ユニットがオンにならない | 電源が供給されていません。電源コードが正しく差し込まれていません。チャイルド ロックが作動しています。 | Check power connection; Ensure outlet is functional; Deactivate child lock by pressing and holding the lock button. |
| No mist/humidification | Water tank is empty; Humidifier filter is clogged or needs replacement; Unit is in air purifier only mode. | Refill water tank; Replace humidifier filter; Ensure humidifier function is active. |
| Weak airflow/Purification | Air filter is dirty or clogged; Air inlets/outlets are blocked. | Replace air filter; Ensure no obstructions around the unit. |
| 異常なノイズ | Unit not on a level surface; Foreign object inside; Filter not installed correctly. | Place on a flat surface; Unplug and check for obstructions; Reinstall filters properly. |
| 空気質インジケーターは常に赤/オレンジ | 汚染レベルが高い。センサーが汚れている。 | Allow unit to run longer; Clean the PM2.5 sensor (refer to full manual for location and cleaning instructions). |
If the problem persists after trying these solutions, please contact Airthereal customer support.
8. 仕様
| 特徴 | 仕様 |
|---|---|
| モデル | AEH300 |
| 機能性 | 2-in-1 Air Purifier & Humidifier |
| 空気ろ過 | 3-Layer (Pre-Filter, HEPA, Activated Carbon) |
| 加湿タイプ | Evaporative Mist-Free |
| 水タンク容量 | 1.5 Liters (3 Pints) |
| Max Water Output | 300ml/時 |
| CADRA の | 300 m³/時 |
| カバーエリア | 500~1325平方フィート |
| ファン速度 | 4 レベル |
| 騒音レベル(スリープモード) | 24デシベル |
| タイマー | 1-24 Hours Adjustable |
| 大気質表示 | PM2.5 Real-Time Sensor with Color Indicator |
| コントロール | タッチコントロールパネル |
| 寸法(幅×奥行き×高さ) | 9.45 x 9.45 x 21インチ |

Image: Dimensions of the Airthereal AEH300 (9.45 inches wide, 21 inches tall) and examples of its compact design fitting into various spaces like bedrooms, living rooms, and offices.

Image: A comparison table highlighting the Airthereal AEH300's features such as Evaporative Mist-Free Humidification, Top-Fill Water Tank, 4-Stage Filtration, 1-24 Hours Timer, Air Quality Display, Touch Control Panel, Sleep Mode, Child Lock, CADR of 300 m³/h, Coverage Area of 500-1325 ft², and Size of 9.45x9.45x21 inches.
9. 保証とサポート
Airthereal products are designed for reliability and performance. For specific warranty information regarding your AEH300 unit, please refer to the warranty card included in your product packaging or visit the official Airthereal webサイト。
If you require technical assistance, have questions about your product, or need to order replacement parts, please contact Airthereal Customer Support:
- Webサイト: www.airthereal.com
- メールアドレス: 公式を参照してください webカスタマー サービス連絡先メールのサイト。
- 電話: 公式を参照してください webカスタマー サービス電話番号のサイト。
Please have your model number (AEH300) and purchase date ready when contacting support.