1. Introducció
Thank you for choosing the KOIOS 4L Top Fill Ultrasonic Cool Mist Humidifier. This device is designed to improve air quality and comfort in your home by adding moisture to the air and can also function as an essential oil diffuser. Please read this manual thoroughly before operation to ensure proper use, maintenance, and safety.

Image: The KOIOS 4L Top Fill Ultrasonic Cool Mist Humidifier, showcasing its sleek design and water level.
2. Instruccions de seguretat importants
Per reduir el risc d'incendi, descàrrega elèctrica o lesions, seguiu sempre aquestes precaucions bàsiques:
- Read all instructions before using the humidifier.
- Col·loqueu sempre l'humidificador sobre una superfície ferma, plana i impermeable a almenys 30 cm de distància de les parets i els electrodomèstics.
- No col·loqueu l'humidificador a prop de fonts de calor com ara estufes, radiadors o llum solar directa.
- Desendolleu l'humidificador de la presa de corrent abans d'omplir-lo, netejar-lo o moure'l.
- Do not immerse the power cord, plug, or the main humidification unit in water or other liquids.
- Prevent water from entering the power hole and the internal chip. The humidification unit contains sensitive electronic components; do not put it upside down or soak it in water to clean it.
- Ensure the connection between the humidification unit and the water bucket is secure using the elastic buckle to prevent the unit from floating.
- Mantenir fora de l'abast dels nens i mascotes.
- Use only clean, cool tap water. Distilled water is recommended to minimize mineral buildup.
- Do not add essential oils directly into the water tank; use the designated essential oil tray.
3. Components del producte
Familiarize yourself with the parts of your KOIOS humidifier:
- Top Fill Lid
- Humidification Unit (with mist nozzle and control panel)
- Water Bucket/Tank (4L capacity)
- Safata d’oli essencial
- Cable d'alimentació
- Manual d'instruccions

Image: An exploded diagram showing the main components of the humidifier, including the top fill lid, humidification unit, and water tank.
4. Configuració
- Desembalar: Traieu amb cura tots els materials d'embalatge i col·loqueu l'humidificador sobre una superfície plana i estable.
- Omplir el dipòsit d'aigua: Remove the top fill lid. Pour clean, cool water directly into the water tank. Do not exceed the maximum fill line.

Image: A hand pouring water into the top of the KOIOS humidifier, demonstrating the easy top-fill design.
- Afegir olis essencials (opcional): If desired, add a few drops of essential oil to the designated essential oil tray. Do not add oils directly into the water tank.

Image: A hand carefully adding essential oil drops into the small, designated tray on the humidifier's top unit.
- Secure Humidification Unit: Ensure the humidification unit is properly seated and the elastic buckle is fastened to prevent it from floating.
- Connectar l'alimentació: Connecteu el cable d'alimentació a una presa de corrent adequada.
5. Instruccions de funcionament
Your KOIOS humidifier features simple controls for ease of use.
Encès/Apagat
- Press the power button once to turn the humidifier on.
- Press the power button again to cycle through mist settings or turn off.
Mist Output Adjustment
The humidifier offers three mist output levels: High (H), Medium (M), and Low (L).
- Alt (H): Provides 350-380mL/h mist output for 12-13 hours runtime.
- Mitjà (M): Provides 240-270mL/h mist output for 15-16 hours runtime.
- Baix (L): Provides 240-270mL/h mist output for 29-31 hours runtime. In this setting, the humidifier will run for 18 seconds and then pause for 18 seconds.

Image: Visual representation of the three mist output settings (H, M, L) with corresponding mist intensity and runtime.
Funció de llum nocturna
- To turn the night light on or off, press and hold the power button for 3 seconds.

Image: The humidifier operating with a gentle blue night light, indicating quiet operation (less than 30dB).
6. Manteniment i Neteja
Regular cleaning is essential for optimal performance and hygiene. Always unplug the humidifier before cleaning.
Manteniment diari
- Empty the water tank and essential oil tray daily.
- Wipe down the inside of the water tank and the humidification unit with a clean cloth.
Thorough Cleaning (Weekly or as needed)
The innovative design allows for thorough cleaning, especially important if using essential oils.
- Desmuntar: Open the buckles on both sides of the humidification unit. Separate the humidification unit from its cover.
- Components nets: All parts that come into contact with water or mist can be easily cleaned. Use a soft brush or cloth and a mild descaling solution (e.g., white vinegar) to remove mineral buildup from the transducer and other surfaces. Rinse thoroughly with clean water.
- Torneu a muntar: Ensure all parts are dry before reassembling. Secure the humidification unit and its cover, ensuring the buckles click into place.

Image: A step-by-step visual guide demonstrating how to open the buckles, separate the humidification unit, and clean its internal components.
Important: Do not immerse the main humidification unit (the top part with controls and power connection) in water. Only clean the detachable components that are designed to be washed.
7. Solució De Problemes
Si teniu problemes amb el vostre humidificador, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense boira o baixa producció de boira | Falta d'aigua Acumulació de minerals al transductor Humidification unit not properly seated | Reomplir el dipòsit d’aigua Clean the transducer and humidification unit (refer to Maintenance section) Ensure the humidification unit is securely buckled to the water tank. |
| Fuga d'aigua | Humidification unit not properly seated Overfilling the water tank Unitat col·locada sobre una superfície irregular | Ensure the humidification unit is securely buckled Do not fill water above the MAX line Col·loqueu l'humidificador sobre una superfície plana i estable. |
| Soroll inusual | La unitat no està sobre una superfície plana Nivell d'aigua massa baix Foreign object in the fan area | Col·locar sobre una superfície plana Reomplir el dipòsit d’aigua Unplug and check for obstructions (do not force). |
| La llum nocturna no funciona | No s'ha activat correctament | Press and hold the power button for 3 seconds to toggle the night light. |
If the problem persists after trying these solutions, please contact KOIOS customer support for assistance.
8. Especificacions
- Marca: KOIOS
- Model: B09SHM9R4M
- Capacitat: 4 litres (1.06 galons)
- Sortida de boira: Fins a 380 ml/h
- Temps d'execució: Up to 31 hours (on Low setting)
- Mode de funcionament: Ultrasonic, Vaporizer
- Característiques especials: Humidifier & Essential Oil Diffuser 2-in-1, Night Light, Top-Fill Design
- Nivell de soroll: Menys de 30 dB
- Dimensions del producte: 7 "P x 7" W x 11" H
- Pes de l'article: 2.86 lliures
- Voltage: 120 volts (CA)

Image: A diagram illustrating the dimensions of the humidifier: 7 inches (D) x 7 inches (W) x 11 inches (H).
9. Garantia i Suport
KOIOS products are manufactured to high-quality standards. For any questions, concerns, or warranty inquiries, please contact KOIOS customer support. Please have your model number (B09SHM9R4M) and purchase information ready when contacting support.
For further assistance, please visit the official KOIOS store or contact their customer service channels.





