1. Introducció
Thank you for choosing the Dreo HM311S Smart Humidifier. This manual provides essential information for safe operation, effective use, and proper maintenance of your device. Please read it thoroughly before use and retain it for future reference.
Contingut del paquet:
- Dreo HM311S Smart Humidifier
- Cartutx de desmineralització
- Raspall de neteja
- Coixinet d'aroma
- Manual d'usuari
- Guia de neteja
2. Producte acabatview
The Dreo HM311S is an ultrasonic humidifier designed to provide precise humidity control, featuring smart connectivity, a large water tank, and quiet operation.

Figure 2.1: Dreo HM311S Smart Humidifier with its main components and a smartphone displaying the control app.
Components clau:
- Dipòsit d'aigua: Capacitat de 4 litres per a un funcionament prolongat.
- Broquet de boira: 30° tiltable for directional mist output.
- Tauler de control: Digital display with touch controls for power, mist level, light, auto mode, timer, and sleep mode.
- Caixa d'aromes: Integrated tray for essential oils.
- Cartutx de desmineralització: Helps reduce mineral buildup.
- Smart Humidistat: For precise humidity measurement and automatic adjustment.

Figure 2.2: Internal components of the humidifier, including the 2.4MHz atomizer for fine mist, smart humidistat, and airflow booster.
3. Configuració
3.1 Col·locació inicial
Place the humidifier on a flat, stable, and water-resistant surface at least 15 cm (6 inches) away from walls and furniture. Ensure the mist outlet is not directed towards walls or electronic devices.
3.2 Omplir el dipòsit d'aigua
- Traieu la coberta superior de l'humidificador.
- Pour clean, cool tap water directly into the water tank. Do not exceed the 'MAX' fill line. Distilled or demineralized water is recommended to prevent mineral buildup.
- Col·loqueu la coberta superior de manera segura.
4. Instruccions de funcionament
4.1 Encès/Apagat
Plug the humidifier into a power outlet. Press the Poder botó del tauler de control per encendre o apagar la unitat.
4.2 Adjusting Mist Level
Premeu el botó Boira button to cycle through three mist output levels (Low, Medium, High). The digital display will indicate the current level.

Figure 4.1: Humidifier producing a high mist stream.

Figure 4.2: The humidifier's supersized mist output quickly hydrates the air.

Figure 4.3: The humidifier disperses ultrafine mist particles for even distribution.
4.3 Mode automàtic
Premeu el botó Automàtic button to activate Auto Mode. The humidifier will automatically adjust the mist output to maintain your preset humidity level. The smart ambient light will indicate humidity changes.
4.4 Llum nocturna
Premeu el botó Llum button to turn the ambient night light on or off.
4.5 Mode de repòs
Premeu el botó Dormir button to enter Sleep Mode. The display lights will dim, and the humidifier will operate at a low, quiet mist level (28 dB) for undisturbed sleep. The 4L tank allows for up to 36 hours of continuous operation in this mode.

Figure 4.4: The humidifier provides up to 36 hours of continuous mist on a single fill, ideal for overnight use.
4.6 Funció de temporitzador
Premeu el botó Temporitzador button to set an auto-off timer. You can set the humidifier to turn off after a specified number of hours.
4.7 Difusor d'aromes
Pull out the aroma box located at the base of the unit. Add a few drops of your preferred essential oil onto the aroma pad. Slide the box back into place. The mist will carry the fragrance into the air.
4.8 Control intel·ligent (aplicació i veu)
Download the Dreo app to control your humidifier remotely. You can adjust mist levels, set schedules, control ambient lighting, and monitor humidity from anywhere. The humidifier is also compatible with Alexa and Google Assistant for voice control.

Figure 4.5: Control your humidifier's humidity settings precisely using the Dreo smartphone app.

Figure 4.6: Tailor the humidifier's operation to your lifestyle with smart schedules via the app.
5. Manteniment
La neteja regular és crucial per a un rendiment i una higiene òptims. Desendolleu sempre l'humidificador abans de netejar-lo.
5.1 Manteniment diari
- Buideu el dipòsit d'aigua i la base diàriament.
- Netegeu el dipòsit i la base amb un drap net.
5.2 Neteja setmanal
- Desendolla l'humidificador i retira el dipòsit d'aigua.
- Pour 2 cups (470ml) of distilled white vinegar into the water tank.
- Replace the top cover and let it soak for 20 minutes.
- Empty the vinegar and rinse the tank thoroughly with clean water.
- Use the provided cleaning brush to clean the atomizer and other hard-to-reach areas in the base.
- Rinse all components and wipe dry.
5.3 Demineralization Cartridge
The demineralization cartridge helps prevent white dust from hard water. Replace it every 2-3 months, or more frequently if you have very hard water or use the humidifier often.
5.4 Aroma Pad
Clean the aroma pad as needed by rinsing it with warm water and allowing it to air dry. Replace the pad if it becomes discolored or loses its effectiveness.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense boira o baixa producció de boira | Nivell baix de l’aigua Acumulació de minerals a l’atomitzador Broquet de boira bloquejat | Reomplir el dipòsit d’aigua Clean atomizer with cleaning brush Clear any obstructions from the mist nozzle |
| Pols blanca al voltant de l'humidificador | Aigua dura utilitzada Demineralization cartridge needs replacement | Utilitzeu aigua destil·lada o desmineralitzada Substituïu el cartutx de desmineralització |
| Olor desagradable | Stagaigua dominant Dipòsit/base d'aigua bruta | Empty and clean water tank/base regularly Utilitzeu aigua fresca diàriament |
| Humidifier not responding to app/voice control | Problema de connexió Wi-Fi L'aplicació no s'ha actualitzat | Ensure humidifier is connected to Wi-Fi Check app for updates and restart |
7. Especificacions
| Característica | Detall |
|---|---|
| Nom del model | HM311S |
| Dimensions (L x A x A) | 14 x 27.99 x 25.81 cm (5.5 x 11 x 10.1 polzades) |
| Pes | 1.42 kg (3.12 lliures) |
| Capacitat del dipòsit d'aigua | 4 litres |
| Àrea de cobertura | Fins a 300 peus quadrats |
| Mode d'operació | Ultrasons |
| Nivell de soroll | 28 dB (en mode de repòs) |
| Característiques especials | Digital Display, Adjustable Humidity Control, Top-Fill, Timer, Wi-Fi/APP/Voice Control, Aroma Diffuser, Night Light |

Figure 7.1: Dimensions of the Dreo HM311S Smart Humidifier.
8. Garantia i Suport
Dreo products are manufactured with the highest quality standards. For warranty information or technical support, please refer to the warranty card included in your package or visit the official Dreo weblloc.
Please have your model number (HM311S) and purchase details ready when contacting support.





