1. Introduction
Thank you for choosing the LOMMOL Ultrasonic Cool Mist Humidifier. This device is designed to improve air quality and comfort in your home or office by adding moisture to the air. Featuring a large 9-liter (2.4-gallon) capacity, top-fill design, and quiet operation, it is suitable for large rooms up to 550 sq ft. This manual provides essential information for safe and efficient use of your humidifier.
2. Important Safety Instructions
Please read and follow all safety instructions before using this appliance to prevent fire, electric shock, injury, or damage.
- Always place the humidifier on a firm, flat, water-resistant surface at least 12 inches (30 cm) away from walls and appliances.
- Do not place the humidifier directly on carpet, rugs, or absorbent surfaces.
- Do not immerse the base, power cord, or plug in water or other liquids.
- Unplug the humidifier from the power outlet before filling, cleaning, or moving.
- Do not add essential oils directly into the water tank. Use only the designated essential oil tray.
- Keep out of reach of children and pets.
- Use only clean, cool tap water or distilled water. Do not use hot water.
- Do not block the mist outlet or air intake.
3. Package Contents
Verify that all items are included in your package:
- LOMMOL 9L Humidifier (1)
- Remote Control (1)
- Cleaning Brush (1)
- User Manual (1)
4. Product Overview
Familiarize yourself with the components of your LOMMOL humidifier:
- Mist Nozzle: 360° adjustable for directing mist.
- Control Panel: Digital display with touch controls for all functions.
- Water Tank: 9-liter integrated design with water level viewport.
- Essential Oil Tray: Located at the back for aromatherapy.
- Handles: Integrated handles on the sides for easy transport.
- Base: Provides stability and houses internal components.

5. Setup
Follow these steps for initial setup:
- Unpack: Carefully remove all packaging materials and place the humidifier on a stable, flat surface.
- Assemble: Ensure the water tank is securely seated on the base. The integrated design minimizes assembly.
- Fill Water Tank: Open the top cover and pour clean, cool tap water or distilled water directly into the tank. Do not exceed the 'MAX 9L' line.
- Connect Power: Plug the power cord into a suitable electrical outlet.


Video 1: Demonstrates the 9L 2.4Gal Top Fill Humidifier, highlighting its easy cleaning and RGB light features.
6. Operating Instructions
Operate your humidifier using the touch control panel or the included remote control.
- Power On/Off: Press the 'ON/OFF' button to turn the humidifier on or off.
- Mist Volume: Select from 4 mist speed options (Low 150mL/h, Medium 180mL/h, High 220mL/h, Max 300mL/h) to adjust output.
- Customizing Humidity: Use the 'CUSTOMIZE HUMIDITY' setting to set your desired humidity level between 40% and 90% (in 5% increments). The built-in humidistat sensor will automatically maintain this level.
- Timer: Set the timer from 1 to 24 hours using the 'TIMER' button for automatic shut-off.
- Sleep Mode: Activate 'SLEEP' mode for ultra-quiet operation (below 35dB) and automatic dimming of display lights for undisturbed rest.
- UV Lamp: Press the 'UV LAMP' button to activate the UV sterilization feature, which helps keep the water clean and mist safe.
- Colored Lights: Choose from 7 ambient LED colors or a 'CYCLE LIGHT' mode to create a soothing atmosphere.
- Essential Oil Tray: Add 5-10 drops of essential oils to the aroma pad in the back tray for a pleasant fragrance. Do not add oils directly to the water tank.


Video 2: Shows the humidifier's features including the essential oil tray, suitable for various rooms.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your humidifier.
- Daily Refill: Refill the water tank as needed. The top-fill design makes this process easy and mess-free.
- Weekly Cleaning: Unplug the unit. Remove the top cover and clean the water tank with a soft cloth and mild detergent. Rinse thoroughly.
- Ceramic Filter: The humidifier features a built-in stone ceramic filter that does not require replacement, reducing ongoing costs. Clean it gently with the provided brush if mineral buildup occurs.
- Essential Oil Tray: Clean the essential oil tray regularly to prevent residue buildup.

8. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
- No Mist Output: Ensure the water tank is filled and properly seated. Check if the power cord is securely plugged in.
- Unusual Noise: Ensure the humidifier is on a flat, stable surface. Check for any foreign objects in the water tank or base.
- Water Leakage: Verify that the water tank is correctly assembled and not overfilled. Ensure the top cover is securely closed.
- Display Not Working: Check power connection. If the unit is in Sleep Mode, the display lights may be off.
For persistent issues, please contact customer support.
9. Specifications
| Brand | LOMMOL |
| Model Name | JS01 |
| Capacity | 9 Liters (2.4 Gallons) |
| Floor Area Coverage | Up to 550 Square Feet |
| Max Mist Output | 300mL/h |
| Runtime | Up to 60 hours |
| Operation Mode | Ultrasonic |
| Noise Level | Below 35dB |
| Voltage | 110 Volts |
| Wattage | 30 watts |
| Product Dimensions | 7.41"D x 7.4"W x 26.1"H |
| Item Weight | 6 Pounds |
10. Warranty and Support
LOMMOL is committed to providing excellent customer service. Your humidifier comes with:
- 120 Days Free Replacement: For any manufacturing defects.
- One Year Warranty: Covers defects in materials and workmanship.
For any questions or support, please contact our 7*24 hours customer service team. Contact information can be found on the product packaging or our official website.