1. Important Safety Instructions
Please read and understand all safety instructions before using this humidifier. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- 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.
- Ensure the power cord is not damaged and is routed safely to prevent tripping hazards.
- Unplug the humidifier from the power outlet before filling, cleaning, or performing any maintenance.
- Do not immerse the humidifier base in water or other liquids.
- Use only clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral buildup.
- Do not add essential oils or other additives directly into the water tank unless specifically designed for this unit.
- Keep out of reach of children and pets.
- Do not block the mist outlet or air intake vents.
- If the humidifier emits unusual sounds, odors, or smoke, unplug it immediately and contact support.
2. Product Overview
2.1 Components
The CUTPOIY 9L Large-Capacity Humidifier consists of a main unit, a water tank, and a power cord. The control panel is located on the upper front section of the unit.

Image 1: CUTPOIY 9L Large-Capacity Humidifier. The unit measures approximately 71 cm in height and 28 cm in width at the base.
2.2 Key Features
- Large Capacity Water Tank: Designed with a lower one-piece water tank to minimize leakage, facilitating continuous humidification.
- Integrated Filtration System: Features top-mounted circulating pumping filtration and a built-in UV lamp for water purification before humidification.
- High Mist Output: Delivers 300ml/h of mist, suitable for humidifying areas ranging from 20 to 100 square meters.
- Adjustable Mist Levels: Offers 3 adjustable mist output gears for customized humidity control.
- Quiet Operation: Operates at a maximum noise level of 35dB, ensuring minimal disturbance.
- Sleep Mode: Includes a dedicated sleep mode that automatically turns off display lights for undisturbed rest.
3. Setup
3.1 Unpacking
- Carefully remove the humidifier from its packaging.
- Remove all packing materials, including any protective films or tapes.
- Inspect the unit for any signs of damage. If damaged, do not use and contact customer support.
3.2 Placement
- Place the humidifier on a flat, stable, and water-resistant surface.
- Ensure there is at least 12 inches (30 cm) of space around the unit for proper air circulation and mist dispersion.
- Avoid placing the humidifier directly on carpet or near furniture that may be sensitive to moisture.
- Position the unit away from direct sunlight and heat sources.
3.3 Filling the Water Tank
- Ensure the humidifier is unplugged from the power outlet.
- Locate the water inlet. For this model, the water tank is a lower one-piece design, suggesting a top-fill or easily accessible reservoir.
- Fill the water tank with clean, cool tap water. Distilled or demineralized water is recommended to reduce mineral residue.
- Do not overfill the tank beyond the maximum fill line, if indicated.
- Securely close the water inlet cover.
4. Operating Instructions
4.1 Power On/Off
- Plug the power cord into a suitable electrical outlet.
- Press the Power button on the control panel to turn the humidifier on. The display will illuminate.
- To turn off the humidifier, press the Power button again.
4.2 Adjusting Mist Output
- The humidifier offers 3 adjustable mist output gears.
- Press the Mist Level button (or equivalent icon on the control panel) repeatedly to cycle through the low, medium, and high mist settings.
- Select the desired mist level based on room size and humidity preference.
4.3 Sleep Mode
- To activate Sleep Mode, press the dedicated Sleep Mode button (or equivalent icon).
- In Sleep Mode, the display lights will automatically turn off, and the unit will operate at its lowest, quietest setting (35dB) to minimize disturbance during sleep.
- Press the Sleep Mode button again to deactivate it.
4.4 Filtration System
The humidifier features a built-in filtration system with a UV lamp. This system purifies the water before it is dispersed as mist. No direct user interaction is typically required for this system during operation, but regular cleaning is essential (refer to Section 5.2).
5. Maintenance
Regular cleaning and maintenance are crucial for optimal performance and longevity of your humidifier.
5.1 Daily Maintenance
- Unplug the unit before cleaning.
- Empty any remaining water from the tank and base.
- Wipe the exterior of the unit with a soft, damp cloth.
5.2 Weekly Cleaning (or more frequently with hard water)
- Unplug the humidifier and empty all water.
- Cleaning the Water Tank: Fill the water tank with a mixture of 1 teaspoon of white vinegar per gallon of water. Let it stand for 30 minutes, then rinse thoroughly with clean water.
- Cleaning the Base: Gently wipe the inside of the base with a soft cloth dampened with white vinegar. Pay attention to the ultrasonic transducer (the small disc that produces mist). Do not scrub or use abrasive cleaners.
- Rinse all components thoroughly with clean water until the vinegar smell is gone.
- Allow all parts to air dry completely before reassembling.
5.3 Storage
- Before storing, ensure the humidifier is clean and completely dry.
- Store the unit in a cool, dry place, away from direct sunlight.
6. Troubleshooting
If you encounter issues with your humidifier, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output | Low water level Mineral buildup on transducer Mist outlet blocked | Refill water tank Clean transducer (see Section 5.2) Ensure mist outlet is clear |
| Unusual odor | Stagnant water Dirty water tank | Empty and refill with fresh water Clean water tank thoroughly (see Section 5.2) |
| Water leakage | Water tank not properly seated Overfilling | Ensure tank is correctly positioned Do not fill past max line |
| Unit not turning on | No power Power button not pressed | Check power connection Press power button firmly |
7. Specifications
| Feature | Specification |
|---|---|
| Brand | CUTPOIY |
| Model | 9L Large-Capacity Humidifier |
| Capacity | 6.1L-10L (Nominal 9L) |
| Mist Outlet Number | 1 |
| Maximum Noise Level | 35dB |
| Power Supply | AC |
| Atomization Volume | 300ml/h |
| Mist Output Gears | 3 adjustable gears |
| Dimensions (H x W) | 71 cm x 28 cm |
| Color | White |
8. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or contact the retailer where the product was acquired. Keep your proof of purchase for warranty claims.
For technical assistance or inquiries, please visit the official CUTPOIY website or contact their customer service department directly.





