Introduction
This manual provides essential information for the safe and efficient operation of your Hiswelle 17L/4.5Gal Tower Humidifier. Please read all instructions carefully before use and retain this manual for future reference. This ultrasonic cool mist humidifier is designed for large rooms up to 2000 sq ft, featuring a 4.5-gallon capacity, intelligent humidity control, and various convenient functions.
Important Safety Instructions
- Always place the humidifier on a firm, flat, water-resistant surface.
- Do not place the humidifier near heat sources or in direct sunlight.
- Use distilled water to prevent mineral buildup and white dust.
- Do not add water to the mist outlet.
- Unplug the unit before cleaning or refilling.
- Keep out of reach of children and pets.
- Ensure the power cord is not damaged and is properly plugged into a suitable outlet (120 Volts).
- Do not attempt to repair the unit yourself. Contact customer service for assistance.
Package Contents
Upon unboxing, verify that all components are present:
- Humidifier Main Unit (Base and Water Tank)
- Extension Mist Tube
- 360° Mist Nozzle
- Remote Control
- Instruction Manual

Image: All components of the Hiswelle humidifier, including the main unit, extension tube, nozzle, and manual, are shown on a carpeted floor.
Setup
- Unpack: Carefully remove all components from the packaging.
- Assemble Mist Tube:
- Take out the cover from the top of the humidifier.
- Remove the 360° mist nozzle.
- Put on the mist tube and tighten it clockwise.
- Place the 360° mist nozzle onto the tube.
- Locate Accessories: Check the bottom tank for accessories such as tubes, nozzles, manuals, and the remote control.
- Placement: Position the humidifier on a stable surface in the desired area. The unit includes 4 flexible wheels for easy movement.

Image: A visual guide showing four steps for assembling the mist tube and nozzle onto the humidifier, along with a note to check the bottom tank for accessories.
Operating Instructions
Filling the Water Tank
The humidifier features a large 4.5-gallon (17-liter) capacity for extended operation.
- Ensure the humidifier is unplugged.
- Fill water from the top opening. DO NOT add water to the mist outlet.
- Use distilled water for best performance and to prevent mineral buildup.

Image: A collage showing how to fill the humidifier from the top, the remote control, cleaning the unit, and using the touch control panel with a 16-hour timer.
Control Panel and Remote Control
The humidifier can be operated via the touch control panel on the unit or the included remote control.
- Power On/Off: Press the power button to turn the unit on or off.
- Mist Volume: Select from 4 mist volume modes (Low, Medium, High, Highest).
- Humidity Control: Adjust target humidity from 45% to 95% in 5% increments. The unit will stop misting when the target is reached and resume when humidity drops.
- Timer: Set an operating timer from 1 to 16 hours.
- Sleep Mode: Activates a quiet operation mode and turns off the control panel lights for undisturbed sleep.
- Intermittent Mist Mode: Choose between constant mist or intermittent mist output.
- UV Lamp: Activate the UV lamp for sterilization.
Video: A demonstration of the humidifier's features, including mist output, humidity control, and the aromatherapy function.
Aromatherapy Function
A dedicated aroma box is located on the back of the unit. Add a few drops of your favorite essential oil to enjoy fragrance with the mist.

Image: A humidifier in a living room setting, highlighting the built-in essential oil tray and showing four mist speed modes (Low, Medium, High, Highest) with their respective runtimes.
Maintenance
Regular cleaning is essential for optimal performance and longevity of your humidifier.
- Daily: Refill with fresh distilled water.
- Weekly: Unplug the unit. Empty any remaining water. Wipe down the water tank and base with a soft cloth. For mineral buildup, use a vinegar solution (1 part white vinegar to 1 part water) to soak affected areas, then rinse thoroughly.
- Filter-Free Design: This humidifier does not require filter replacement, simplifying maintenance.
Troubleshooting
| 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 with a soft brush and vinegar solution; ensure mist outlet is clear. |
| Unit not turning on | Not plugged in; power outage; water tank not properly seated. | Check power connection; ensure tank is correctly placed. |
| Leaking from the bottom | Improper assembly; damaged seal. | Ensure all parts are correctly assembled and tightened. If leaking persists, contact customer service. |
| Inaccurate humidity readings | Sensor obstruction or malfunction. | Ensure the sensor area is clean and unobstructed. If readings are consistently inaccurate, contact customer service. |
Specifications
- Brand: Hiswelle
- Model Name: Humidifiers (B09S9SW2TK)
- Capacity: 4.5 Gallons (17 Liters)
- Floor Area Coverage: Up to 2000 Square Feet
- Operation Mode: Ultrasonic
- Special Features: Auto Shut Off, Humidistat, Quiet Operation, UV Light, Aromatherapy
- Color: White
- Product Dimensions: 11"D x 11"W x 28"H
- Item Weight: 10 Pounds
- Voltage: 120 Volts
- Wattage: 70 Watts
- Timer: 1-16 Hours
- Humidity Range: 45%-95%
Warranty and Support
Hiswelle offers a 1-year quality assurance, 120 days of free exchange, and lifetime technical support for this humidifier.
For any questions or assistance, please contact customer service through your order detail page. We aim to respond within 12 hours to resolve any issues.
Additional Product Views

Image: The Hiswelle tower humidifier operating in a spacious, modern living room, demonstrating its aesthetic integration into a home environment.

Image: The Hiswelle humidifier with its extension tube directing mist upwards, positioned in a room with several houseplants, illustrating its powerful output and suitability for plant care.

Image: The portable Hiswelle humidifier with wheels, shown with a mother and two children, emphasizing its ease of movement and family-friendly design.

Image: A visual representation of the humidifier's large 4.5-gallon (17L) capacity, with water levels indicated, showcasing its ability to run for extended periods.

Image: The Hiswelle humidifier placed beside a bed in a bedroom, illustrating its quiet operation and suitability for nighttime use.
Video: A detailed overview of the Hiswelle tower humidifier, showcasing its features and operation in a home environment, emphasizing its suitability for large rooms.