1. Introduction
Thank you for choosing the iBELL HU350P Ultrasonic Humidifier. This device is designed to enhance your indoor environment by adding moisture to the air, which can help alleviate dry skin, irritated sinuses, and other discomforts caused by dry air. It also functions as an essential oil diffuser for a pleasant aroma. Please read this manual thoroughly before operation to ensure safe and efficient use.

Image: The iBELL HU350P Ultrasonic Humidifier, a sleek black and white unit.
2. Safety Instructions
- Always place the humidifier on a firm, flat, waterproof surface at least 12 inches (30 cm) away from walls and appliances.
- Do not place the humidifier near heat sources such as stoves, radiators, or direct sunlight.
- Keep the humidifier out of reach of children and pets.
- Unplug the unit before filling, cleaning, or moving it.
- Do not immerse the base unit in water or other liquids.
- Use only clean, cool tap water or distilled water. Avoid hot water.
- Do not add essential oils directly into the water tank. Use the designated essential oil diffuser tray if available.
- Do not block the mist outlet or air intake vents.
- If the unit emits an unusual smell or sound, discontinue use immediately and unplug it.
3. Product Overview
Components

Image: Diagram showing the main components of the iBELL HU350P Humidifier, including the Nozzle, Water Tank, Base, and Touch Control panel.
- Nozzle: Rotates 360° for adjustable mist direction.
- Water Tank: 3.5L capacity for extended operation.
- Base: Contains the ultrasonic transducer and control panel.
- Touch Control Panel: For power, mist level, timer, and light settings.
Control Panel

Image: Close-up of the iBELL HU350P Humidifier's touch control panel, indicating Power Indicator Light, On/Off Touch Control, Mist Control, and Time & Light buttons.
- Power Button: Turns the unit on/off.
- Mist Button: Cycles through mist output levels (Small, Medium, Large).
- Time/Light Button: Sets the timer (2H, 4H, 6H, 8H) and controls the ambience light.
- Power Indicator Light: Illuminates when the unit is powered on.
4. Setup
- Unpack: Carefully remove the humidifier from its packaging and place it on a stable, level surface.
- Fill Water Tank: Remove the top cover. Fill the water tank directly from the top with clean, cool tap water or distilled water. Do not exceed the maximum fill line.
- Replace Cover: Place the top cover back onto the water tank securely.
- Plug In: Connect the power cord to a suitable electrical outlet (240V AC).

Image: The transparent water tank of the iBELL HU350P Humidifier being filled with water.
5. Operating Instructions
Power On/Off
- Touch the Power button once to turn the humidifier on. The power indicator light will illuminate.
- Touch the Power button again to turn the humidifier off.
Adjusting Mist Output
- After turning on the unit, touch the Mist button to cycle through the mist output levels: Small (S), Medium (M), and Large (L).
- Rotate the 360° nozzle on top of the unit to direct the mist as desired.

Image: The iBELL HU350P Humidifier highlighting its 360-degree rotating nozzle and multiple mist output settings.
Setting the Timer
- Touch the Time/Light button repeatedly to set the desired operating time: 2 hours, 4 hours, 6 hours, or 8 hours. The corresponding indicator light will illuminate.
- The humidifier will automatically turn off once the set time has elapsed.
Using Ambience Lights
- Long press the Time/Light button for approximately 3 seconds to activate the ambience light feature.
- The light will cycle through various colors. Long press again to turn off the light.

Image: The iBELL HU350P Humidifier displaying its various ambience light color options.
Essential Oil Diffuser Function
- Locate the essential oil tray, typically a small compartment on the side or bottom of the base unit.
- Add a few drops of your preferred essential oil onto the aroma pad in the tray.
- Do not add essential oils directly into the water tank, as this can damage the unit.
6. Maintenance
Regular cleaning is essential for optimal performance and hygiene.
Daily Maintenance
- Empty the water tank and wipe it dry if the humidifier will not be used for a few days.
Weekly Cleaning
- Unplug the humidifier and empty any remaining water from the tank and base.
- Fill the water tank with 1 cup of white vinegar and 1 cup of water. Let it soak for 30 minutes.
- Use a soft brush or cloth to clean the inside of the tank and the ultrasonic transducer in the base.
- Rinse both the tank and base thoroughly with clean water until the vinegar smell is gone.
- Wipe all surfaces dry before reassembling.
Water Quality
- Using purified or distilled water can help prevent mineral buildup (white dust) and extend the life of the humidifier.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output | Lack of water; mineral buildup on transducer; unit not level. | Refill water tank; clean transducer with vinegar solution; place on a flat surface. |
| Water leakage | Tank not seated correctly; cracks in tank; overfilling. | Ensure tank is properly placed; inspect tank for damage; do not overfill. |
| Unusual noise | Unit not level; foreign object in water; low water level. | Place on a flat surface; check for obstructions; refill water tank. |
| Humidifier stops working unexpectedly | Power interruption; timer expired; low water auto-shutoff. | Check power connection; reset timer; refill water tank. Note: Unit does not have auto-restart after power interruption. |
| White dust around humidifier | Hard water used. | Use purified or distilled water. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | IBELL |
| Model Name | IBLHU350P |
| Capacity | 3.5 Liters |
| Operation Mode | Ultrasonic |
| Power Source | Electric |
| Voltage | 240 Volts |
| Wattage | 32 Watts |
| Floor Area Coverage | 250 Square Feet |
| Control Method | Touch |
| Special Feature | Removable Tank, Essential Oil Diffuser |
| Item Dimensions (DxWxH) | 18.5D x 18.5W x 30H Centimeters |
| Item Weight | 0.9 Kilograms |
| Material Type | Plastic |

Image: The iBELL HU350P Humidifier with its height (30cm) and width (18.5cm) dimensions indicated.
9. Warranty & Support
Warranty Information
The iBELL HU350P Humidifier comes with a 6 Months Standard Warranty. An additional 6 Months Warranty can be obtained upon product registration. Registration must be completed within 30 days from the date of purchase.
Customer Support
For any queries, assistance, or warranty claims, please contact iBELL Technologies:
- Address: Fida's Building, Thottumugham P.O, Aluva, Kerala - 683105
- Phone: 1800 2020 260
- Email: connect@ibellstore.com