1. Setup
1.1 Unboxing and Component Identification
Carefully remove all components from the packaging. Ensure all parts are present: the main unit (control box and stainless steel tank), removable nozzle, inner cover, oscillator, and power adapter.

Image: RIMOO 4.5L Stainless Steel Humidifier and its packaging.
1.2 Placement
Place the humidifier on a flat, stable, and water-resistant surface at least 6 inches (15 cm) away from walls and furniture. Ensure the mist outlet is not directed at walls or electronic devices.
1.3 Filling the Water Tank
The RIMOO humidifier features a convenient top-fill design. You can fill water directly from the top fog nozzle or by opening the control box and filling directly into the stainless steel tank.
- Ensure the humidifier is unplugged before filling.
- Remove the top cover.
- Pour clean tap water directly into the 4.5L stainless steel tank. Do not exceed the 'MAX' water level indicated inside the tank.
- Replace the top cover securely.

Image: Demonstrates the top-fill design of the humidifier, showing water being poured directly into the unit.
1.4 Power Connection
Connect the power adapter to the humidifier's power port located at the back of the unit, then plug it into a standard 110V electrical outlet.
Video: Official RIMOO video demonstrating the humidifier's features and setup.
2. Operating Instructions
The control panel features touch buttons for various functions.

Image: RIMOO humidifier operating in a room, highlighting its quiet operation and mist output.
2.1 Power On/Off
Tap the power button (⏻) to turn the humidifier on or off. The display will show the current humidity level.
2.2 Mist Level Adjustment
The humidifier offers 3 mist levels. Tap the mist button to cycle through low, medium, and high settings. The maximum mist output can reach up to 300ml/h, with a mist height of 70cm.
2.3 Smart Humidistat and Auto Mode
The intelligent humidistat allows you to set your desired air humidity level. The unit will automatically adjust mist output to maintain this level. Tap the humidity button to select your preferred percentage.
2.4 Timer Function
Set the humidifier to operate for a specific duration using the timer function. Tap the timer button to select 1-12 hours. The unit will automatically shut off once the set time expires.
2.5 Sleep Mode
Activate Sleep Mode for ultra-quiet operation (less than 25dB). In this mode, the display lights will dim or turn off to ensure a comfortable sleeping environment. Tap the sleep mode button to activate.
2.6 Child Lock
To prevent unintended adjustments, activate the Child Lock feature. Press and hold the sleep mode and timer buttons simultaneously for 3 seconds to engage or disengage the child lock.

Image: Visual representation of the humidifier's key functions including Sleep Mode, Child Lock, Adjustable Timer, and Auto Function.
3. Maintenance
Regular cleaning is essential for optimal performance and hygiene. The RIMOO humidifier is designed for easy cleaning with only 4 main parts requiring attention.
3.1 Disassembly for Cleaning
- Ensure the humidifier is unplugged.
- Remove the removable nozzle.
- Lift off the inner cover.
- Carefully remove the oscillator.
- The stainless steel tank can then be easily accessed.

Image: Illustrates the separable design of the humidifier, highlighting the 4 parts that require cleaning: nozzle, inner cover, oscillator, and stainless steel tank.
3.2 Cleaning the Stainless Steel Tank
The food-grade 304 stainless steel tank is lead and BPA-free, allowing for various cleaning methods.
- Handwashing: The 8.3-inch diameter tank allows for easy manual cleaning. Use a soft cloth and mild detergent.
- Boiled Cleaning: For optimal sterilization, add water to the stainless steel tank and boil it separately. Note: Do not boil other accessories. Using a gas stove may scorch the tank.
- Dishwasher: The stainless steel tank is dishwasher safe.

Image: Demonstrates the boiled cleaning method for the stainless steel water tank.

Image: A hand cleaning the interior of the wide-mouth stainless steel tank, emphasizing ease of access.
3.3 Cleaning Other Parts
Clean the removable nozzle, inner cover, and oscillator with a soft cloth and mild detergent. Rinse thoroughly.
3.4 Important Cleaning Cautions
- DO NOT wash the control box with water. It contains electrical components.
- Ensure the metal connector on the oscillator is dry before installation to prevent electric shock or melted plastic.

Image: Important cautions for cleaning, emphasizing not to wash the control box and to ensure the oscillator connector is dry.
4. Troubleshooting
4.1 No Mist Output
- Check water level: If the water level is low, the unit will auto shut-off. Refill the tank.
- Ensure the oscillator is properly installed and clean.
- Verify power connection.
4.2 Unit Not Turning On
- Check if the power cord is securely plugged into both the humidifier and the wall outlet.
- Ensure the child lock is not activated.
4.3 Error Indicators
If an error occurs, the humidifier may display a specific code or cease functioning. Refer to the official troubleshooting video for common issues.
Video: Official RIMOO video providing guidance on error shooting for the humidifier.
5. Specifications
- Brand: RIMOO
- Model Name: JSQ-Hero-W
- Capacity: 4.5 Liters (1.3 Gallons)
- Operation Mode: Ultrasonic
- Special Feature: Adjustable Humidity Control, Smart Humidistat, Timer, 25dB Sleep Mode, Child Lock, Floating Oscillator, Top Fill
- Material: 304 Stainless Steel Tank
- Voltage: 110 Volts
- Wattage: 24 watts
- Control Method: Touch
- Product Dimensions: 9.96"D x 9.96"W x 12"H
- Item Weight: 4.66 Pounds
- Room Type: Bedroom, Large Room, Baby Nursery, Office
6. Warranty and Support
6.1 Warranty Information
This RIMOO humidifier comes with a full one-year after-sales service. This warranty covers manufacturing defects and ensures product reliability.
6.2 Customer Support
If you encounter any problems after purchase or have questions regarding your humidifier, please feel free to contact RIMOO customer service. We promise to answer within 24 hours.
For support, please refer to the contact information provided with your purchase or visit the official RIMOO store on Amazon: Visit the RIMOO Store





