1. Introdución
The Airthereal AEH300 is an innovative 2-in-1 appliance designed to improve your indoor air quality by combining the functions of an air purifier and an evaporative humidifier. This unit is suitable for large rooms up to 1325 sq ft, offering comprehensive air treatment for a healthier living environment.
Características principais:
- Funcionalidade 2 en 1: Purifies and humidifies simultaneously or independently. The humidifier module is detachable for standalone air purification.
- Avanzado 3-Stage Filtración: Includes a Pre-Filter, HEPA Filter, and Activated Carbon Filter to capture particles as small as 0.03 microns, removing 99.97% of airborne irritants like smoke, odors, pollen, and allergens.
- Intelligent Air Quality Monitoring: Real-time PM2.5 detection with an intuitive color-coded indicator (Green: Excellent, Orange: Good, Red: Poor) and automatic fan speed adjustment.
- Evaporative Humidification: Filter-based system prevents mineral dust and over-humidification, producing no visible mist and ensuring hygienic operation.
- Effortless Humidity Control: Features a 1.5L water tank and smart humidity control for optimal comfort.
- Controis fáciles de usar: Includes a 1-24 hour timer, 4 fan speed options, quiet sleep mode, and a child lock feature.

Image 1.1: The Airthereal AEH300 2-in-1 Air Purifier and Humidifier, showcasing its sleek, white cylindrical design.

Imaxe 1.2: Unha sobreview of the AEH300's key features, including 3-in-1 HEPA filter, sleep mode, 1325 sq ft coverage, 1.5L water tank, 4 wind speeds, auto humidity control, PM2.5 detection, 1-24H timer, auto mode, and child lock.
2. Instrucións de seguridade
Please read all safety instructions carefully before using the appliance to prevent injury to yourself or others and damage to the product. Keep this manual for future reference.
- Coloque sempre a unidade sobre unha superficie firme e nivelada.
- Non bloquee as entradas ou saídas de aire.
- Manteña o aparello lonxe da auga e da humidade. Non o mergulle na auga.
- Desconecte a unidade antes de limpala, realizando mantemento ou movela.
- Do not use the appliance if the power cord or plug is damaged. Contact customer support for assistance.
- Keep out of reach of children and pets. The child lock feature should be used in households with children.
- Only use original Airthereal replacement filters and parts.
- Non intente reparar nin modificar a unidade vostede mesmo. Encargue todo o mantemento a persoal cualificado.
- Asegúrese de que haxa unha ventilación axeitada ao operar a unidade.
- Non coloque obxectos pesados sobre a unidade.
3. Contido do paquete
Ao desembalar, asegúrese de que todos os elementos enumerados a continuación estean presentes e en bo estado:
- 1 x Airthereal AEH300 Air Purifier with Humidifier
- 1 x Manual de usuario
4. Diagrama do produto e compoñentes
Familiarize yourself with the different parts of your Airthereal AEH300 unit.

Image 4.1: Diagram illustrating the main components of the Airthereal AEH300, including the top air outlet, control panel, main body, air inlet, and humidifier module.
Panel de control rematadoview:

Image 4.2: Close-up of the control panel with touch buttons for Timer, Fan Speed, Sleep Mode, Power, and Child Lock, along with the digital display.
- Botón de encendido: Acende / apaga a unidade.
- Botón de velocidade do ventilador: Cycles through 4 fan speeds (1, 2, 3, 4).
- Botón de modo de suspensión: Activates/deactivates sleep mode for quiet operation and dimmed display.
- Botón do temporizador: Axusta o temporizador de funcionamento de 1 a 24 horas.
- Botón de bloqueo infantil: Bloquea/desbloquea o panel de control para evitar cambios accidentais.
- Visualización: Shows PM2.5 levels, timer settings, and other indicators.
- Luz indicadora da calidade do aire: Changes color based on real-time PM2.5 levels (Green: Excellent, Orange: Good, Red: Poor).
5. Configuración
Follow these steps to set up your Airthereal AEH300 for first use.
5.1 Instalación do filtro
- Unpack the unit and place it on a stable, level surface.
- Xire a tapa inferior en sentido antihorario para desbloqueala e retirala.
- Remove the sealed filter from its plastic packaging.
- Insert the filter into the unit, ensuring it is seated correctly.
- Volva colocar a tapa inferior e xire no sentido das agullas do reloxo para bloqueala con seguridade.

Image 5.1: Diagram showing the three layers of filtration: Pre-Filter (Nylon Mesh), HEPA Filter, and Activated Carbon Filter, and how air flows through them.
5.2 Humidifier Module Setup (Optional)
The humidifier module can be used attached to the air purifier or detached for air purification only.
- Ensure the humidifier module is properly seated on top of the air purifier unit.
- To fill the water tank, simply pour clean tap water directly into the top opening of the humidifier module. The maximum capacity is 1.5 liters (3 pints). Do not exceed the MAX fill line.
- For air purification only, detach the humidifier module by lifting it off the main unit.

Image 5.2: Illustration of the AEH300 operating with the humidifier module attached (adding moisture) and as an air purifier only (humidifier module detached).

Image 5.3: A hand pouring water directly into the top opening of the humidifier module, demonstrating the easy top-fill design.

Image 5.4: Close-up of the water level indicator on the humidifier module, showing markings for 0, 1, 2, and 3 pints.
6. Instrucións de funcionamento
Plug the unit into a standard electrical outlet. The unit will enter standby mode.
6.1 Encendido/apagado
- Preme o Botón de encendido once to turn the unit on. It will start in Auto Mode by default.
- Preme o Botón de encendido de novo para apagar a unidade.
6.2 Auto Mode and Air Quality Monitoring
When the unit is on, it automatically detects PM2.5 levels and adjusts the fan speed accordingly.
- The digital display shows the current PM2.5 concentration.
- The Air Quality Indicator light changes color: Green (Excellent, PM2.5 ≤ 12), Orange (Good, 12 < PM2.5 ≤ 35), Red (Poor, 35 < PM2.5 ≤ 200).
- In Auto Mode, the fan speed will automatically adjust between levels 1-4 based on air quality.

Image 6.1: The AEH300 operating in Auto Mode, detecting PM2.5 levels and automatically adjusting fan speed to purify the air.

Image 6.2: The digital display showing PM2.5 readings and corresponding air quality indicators (green, orange, red).
6.3 Axuste da velocidade do ventilador
- Preme o Botón de velocidade do ventilador to manually cycle through speeds 1, 2, 3, and 4.
- Higher fan speeds provide faster air purification and humidification.
6.4 Modo de suspensión
- Preme o Botón de modo de suspensión to activate a whisper-quiet operation.
- In Sleep Mode, the display lights will dim, and the fan speed will operate at its lowest setting for minimal disturbance.
- Preme o Botón de modo de suspensión again to exit sleep mode.

Image 6.3: The AEH300 operating in Sleep Mode, demonstrating its low noise level (24dB) for a peaceful rest, compared to normal conversation (55dB) or a library (35dB).
6.5 Función de temporizador
- Preme o Botón do temporizador to set the operating time. Each press increases the timer by 1 hour, from 1 to 24 hours.
- A unidade apagarase automaticamente unha vez transcorrido o tempo configurado.
- To cancel the timer, cycle through the settings until '00' or 'OFF' is displayed, or turn the unit off.
6.6 Bloqueo infantil
- Manteña premido o Botón de bloqueo infantil for 3 seconds to activate the child lock. A lock icon will appear on the display.
- When activated, all other buttons on the control panel will be unresponsive.
- Manteña premido o Botón de bloqueo infantil again for 3 seconds to deactivate it.

Image 6.4: A child sitting near the AEH300, illustrating the importance of the child lock feature to prevent accidental adjustments.
7. Mantemento
Regular maintenance ensures optimal performance and extends the lifespan of your Airthereal AEH300.
7.1 Substitución do filtro
The filter should be replaced every 6-8 months, depending on usage and air quality. A filter replacement indicator light will illuminate when it's time to change the filter.
- Desenchufe a unidade da toma de corrente.
- Xire a tapa inferior en sentido antihorario para desbloqueala e retirala.
- Retire o filtro antigo e desfágase del correctamente.
- Insert a new Airthereal AEH300 replacement filter (ensure it's unwrapped).
- Volva colocar a tapa inferior e xire no sentido das agullas do reloxo para bloqueala.
- Plug in the unit. Press and hold the Botón de restablecemento do filtro (usually the Power button or a dedicated reset button, refer to control panel diagram) for 3-5 seconds until the indicator light turns off.
7.2 Limpeza da unidade
- Exterior: Limpe o exterior da unidade cun pano suave e seco. Non empregue produtos de limpeza abrasivos nin solventes.
- Entrada/Saída de aire: Use un cepillo suave ou un aspirador cun accesorio de cepillo para limpar con coidado o po das entradas e saídas de aire.
- Depósito de auga: Clean the water tank and humidifier module regularly (e.g., weekly) to prevent mineral buildup and bacterial growth. Use a mild detergent and rinse thoroughly. Ensure all parts are dry before reassembling.
- Sensor de PM2.5: Gently wipe the PM2.5 sensor lens (located on the side or back of the unit) with a dry cotton swab to ensure accurate readings.
8 Solución de problemas
If you encounter any issues with your Airthereal AEH300, please refer to the following troubleshooting guide.
| Problema | Causa posible | Solución |
|---|---|---|
| A unidade non se acende | Non conectado; apagadotage; Damaged power cord/plug | Ensure unit is securely plugged in; Check power supply; Contact customer support if cord/plug is damaged. |
| No air coming out / Weak airflow | Filter clogged; Air inlets/outlets blocked; Unit in Sleep Mode | Check and replace filter if necessary; Ensure no obstructions; Exit Sleep Mode or increase fan speed. |
| Humidifier not producing moisture | Water tank empty; Humidifier module not properly installed; Filter needs cleaning/replacement | Refill water tank; Ensure humidifier module is correctly seated; Clean or replace humidifier filter. |
| Ruído insólito | Unit not on a level surface; Foreign object inside; Filter not installed correctly | Place on a flat surface; Unplug and check for obstructions; Reinstall filter correctly. |
| Air quality reading inaccurate | PM2.5 sensor dirty | Clean the PM2.5 sensor lens with a dry cotton swab. |
| O panel de control non responde | Bloqueo infantil activado | Deactivate Child Lock by pressing and holding the Child Lock button for 3 seconds. |
If the problem persists after trying these solutions, please contact Airthereal Customer Support.
9. Especificacións
| Característica | Especificación |
|---|---|
| Número de modelo | AEH300 |
| Marca | AÉREO |
| Cor | Branco |
| Dimensións do produto (P x A x A) | 9.45" x 9.45" x 21" |
| Peso do elemento | 9.5 libras |
| Área de cobertura | Ata 1325 pés cadrados |
| Sistema de filtración | 3-Stage (Pre-Filter, HEPA Filter, Activated Carbon Filter) |
| Tamaño de retención de partículas | 0.1 micras |
| Tipo de humidificador | Evaporative, Mistless |
| Capacidade do depósito de auga | 1.5 litros |
| Nivel de ruído | 22 dB (modo de repouso) |
| Wattage | 22 vatios |
| Tipo de controlador | Manual (Touch Control Panel) |
| Características especiais | Air Quality Light, Auto Humidity Control, Removable Water Tank, Timer (1-24H), Child Lock |
| Certificacións | Certificado CARB |
| UPC | 816621029081 |

Image 9.1: The AEH300 with its dimensions (9.45 inches diameter, 21 inches height) and examples of its compact placement in various room settings.
10. Garantía e soporte
Información da garantía:
Airthereal products come with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official Airthereal websitio web para obter termos e condicións detallados da garantía. Garda o comprobante de compra para reclamacións de garantía.
Atención ao cliente:
For technical assistance, troubleshooting, or general inquiries, please contact Airthereal Customer Support:
- Websitio: airthereal.com
- Correo electrónico: support@airthereal.com





