1. Important Safeguards
Please read this user manual thoroughly before operating the Elechomes SH8820 Humidifier and retain it for future reference. Always follow basic safety precautions to reduce the risk of fire, electric shock, and injury.
- Do not place the humidifier on soft surfaces like carpets or rugs.
- Always place the humidifier on a firm, flat, and level surface.
- Keep the humidifier away from heat sources and direct sunlight.
- Do not immerse the base in water or other liquids.
- Ensure the power cord is not damaged or pinched.
- Unplug the humidifier when not in use or before cleaning.
For a complete list of safety instructions, please refer to the official User Manual (PDF).
2. Product Overview
The Elechomes SH8820 is a versatile warm and cool mist humidifier designed for large rooms, offering a 5.5L top-fill water tank, remote control, and ultra-quiet operation.
Included Components:
- 1 x Elechomes SH8820 Humidifier
- 1 x Remote Control
- 1 x Cleaning Brush
- 1 x Anti-scale Plate (Pre-installed)
- 1 x Aromatherapy Plate (Pre-installed)
- 1 x Warranty Card
- 1 x User Guide (this manual)

Image: Elechomes SH8820 Humidifier and its included accessories, including the remote control, cleaning brush, anti-scale plate, aromatherapy plate, packaging, and user guide.
Product Dimensions:

Image: The humidifier measures approximately 7.2 inches deep, 10.4 inches wide, and 12 inches high.
3. Setup
Placement:
Place the humidifier on a flat, stable surface in the desired room. It is designed for large rooms up to 755 sq.ft. and is suitable for bedrooms, living rooms, and even for maintaining humidity for plants.

Image: The humidifier effectively adds humidity to the air, helping to conserve plant moisture.
Filling the Water Tank:
The Elechomes SH8820 features a convenient top-fill design, eliminating the need to frequently remove the tank for refilling. It has a large 5.5L capacity.
- Ensure the humidifier is unplugged from the power outlet.
- Open the top cover of the humidifier.
- Pour clean, cool tap water directly into the water tank until it reaches the MAX fill line. Do not overfill.
- Replace the top cover securely.

Image: The humidifier's large 5.5L water tank and top-fill design allow for easy and convenient refilling.
Initial Power-On:
After filling the tank, plug the humidifier into a suitable power outlet. The LED display will illuminate, and the unit will be in standby mode.
4. Operating Instructions
The Elechomes SH8820 can be operated via its touch-sensitive control panel or the included remote control.

Image: The humidifier features a clear LED display and touch controls, along with a convenient remote control for easy operation.
Power On/Off:
- Press the ON/OFF button once to turn the humidifier on.
- Press the ON/OFF button again to turn it off.
Mist Modes (Cool & Warm Mist):
- Press the Max/Min button to cycle through different mist output levels.
- Press the Heating button to activate the warm mist function. Press again to turn off warm mist.
Humidity Control:
- Press the Humidity button to set your desired humidity level (e.g., 30%-80%). The humidifier will automatically adjust mist output to maintain this level.
- The built-in humidity sensor provides real-time humidity readings on the LED display.
Timer Function:
- Press the Timer button to set an auto-off timer (e.g., 1-12 hours). The humidifier will automatically shut off after the set time.
Sleep Mode:
For undisturbed sleep, activate the ultra-quiet sleep mode.
- Press the Sleep button to enter sleep mode. The LED display will turn off, and the mist output will operate at a low, quiet level (20-32 dB).
- Press any button to exit sleep mode.

Image: The humidifier's ultra-quiet sleep mode ensures a peaceful environment, perfect for bedrooms without disturbing sleep.
Child Lock:
- Press the Child Lock button to disable the control panel, preventing accidental changes.
- Press and hold the Child Lock button again to unlock.
Aromatherapy Function:
The humidifier includes a built-in essential oil tray for aromatherapy.
- Locate the aromatherapy tray on the side of the humidifier.
- Add a few drops of your preferred essential oil onto the aromatherapy pad.
- Do not pour essential oils directly into the water tank, as this can damage the unit.

Image: The humidifier features a built-in essential oil tray, allowing for the addition of essential oils to diffuse fragrance into the air.
5. Maintenance
Regular cleaning and maintenance are crucial for optimal performance and longevity of your humidifier.
Daily Maintenance:
- Empty and rinse the water tank and base daily.
- Wipe down any surfaces with a clean, damp cloth.
Weekly Cleaning:
- Unplug the humidifier and remove the water tank.
- Clean the water tank and base with a soft brush and mild detergent. Rinse thoroughly.
- Remove the anti-scale plate and clean it to prevent mineral buildup.
- Use the provided cleaning brush to clean the mist outlet and any narrow areas.
- Allow all parts to air dry completely before reassembling.
Filter Replacement:
The humidifier uses a water filter to lessen white dust. Search for "SH8820 filter" for affordable replacement filters. Replace the filter as recommended by the manufacturer or when you notice a decrease in performance or an increase in white dust.
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 | Lack of water; Mineral buildup; Blocked mist outlet | Refill water tank; Clean the transducer and water tank; Clear any blockages in the mist outlet. |
| Unusual noise | Unit not level; Water tank not properly seated; Mineral buildup | Place on a flat surface; Re-seat the water tank; Clean the unit thoroughly. |
| "Err" displayed on screen | Water shortage; Unit malfunction | Refill water tank; If issue persists after refilling, contact customer support. |
| White dust around unit | Hard water; Dirty filter | Use distilled or demineralized water; Clean or replace the water filter. |
If the problem persists after attempting these solutions, please contact Elechomes Customer Support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Elechomes |
| Model Name | SH8820 |
| Color | White |
| Special Feature | Programmable |
| Floor Area Coverage | 750 Square Feet |
| Operation Mode | Ultrasonic |
| Product Dimensions | 7.2"D x 10.4"W x 12"H |
| Item Weight | 6.6 Pounds (6.61 pounds) |
| Room Type | Bedroom |
| Included Components | Remote, Cleaning Brush, Anti-scale Plate, Aromatherapy Plate, Warranty card, User Guide |
| Wattage | 280 watts |
| Control Method | Remote |
| Volume | 5.5 Liters |
| Care Instructions | Do not pour essential oils directly into the water tank |
| Assembly Required | No |
| Number of Pieces | 1 |
| Batteries Required | No |
8. Warranty and Support
Your Elechomes SH8820 Humidifier comes with a warranty card included in the packaging. Please refer to the warranty card for specific terms and conditions.
For any product inquiries, technical support, or warranty claims, please contact Elechomes Customer Support through their official website or the contact information provided in your warranty documentation.