1. Introduction
Thank you for purchasing the SLEVOO Air Purifier Model BS-20. This device is designed to improve indoor air quality by filtering out various airborne pollutants. Please read this manual thoroughly before operating the unit and retain it for future reference.
2. Important Safety Instructions
WARNING: To reduce the risk of fire, electric shock, or injury, please observe the following safety precautions:
- Always unplug the air purifier before moving it, opening the grille, changing filters, or performing any cleaning or maintenance.
- Do not operate the unit if the power cord or plug is damaged. Contact customer support for assistance.
- Keep the cord away from heated surfaces.
- Do not use the air purifier in wet or damp environments, such as bathrooms or laundries.
- Do not insert fingers or foreign objects into any openings.
- Ensure the air inlet and outlet are not blocked.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Use only genuine SLEVOO replacement filters.
3. Product Components
Familiarize yourself with the parts of your SLEVOO Air Purifier BS-20:
Figure 3.1: Front view of the SLEVOO Air Purifier BS-20, showing the main body and control panel on top.
- Control Panel
- Air Outlet
- Main Body
- Air Inlet (located around the lower part of the main body)
- Base Cover
- 3-in-1 HEPA Filter
- Power Cord
- Aroma Box (integrated into the top section)
4. Setup Guide
4.1 Unpacking and Filter Installation
Before first use, the filter must be removed from its protective packaging.
- Carefully remove the air purifier from its packaging.
- Turn the unit upside down.
- Twist the base cover counter-clockwise to unlock and remove it.
- Remove the 3-in-1 HEPA filter from inside the unit.
- Remove all plastic packaging from the filter.
- Place the unwrapped filter back into the air purifier. Ensure it is seated correctly.
- Replace the base cover and twist clockwise to lock it securely.
Figure 4.1: Illustration of the 3-in-1 HEPA filter and its placement within the air purifier.
4.2 Placement
- Place the air purifier on a firm, level surface.
- Ensure there is at least 15 cm (6 inches) of clearance on all sides of the unit for optimal air circulation.
- Avoid placing the unit near heat sources, direct sunlight, or areas with excessive moisture.
- Plug the power cord into a grounded electrical outlet.
5. Operating Instructions
The SLEVOO Air Purifier BS-20 features an intuitive control panel for easy operation.
Figure 5.1: Top view of the control panel with various function buttons.
5.1 Power On/Off
Press the Power Button (
) to turn the unit on or off. When powered on, the unit will start in the default fan speed setting.
5.2 Fan Speed Adjustment
Press the Fan Speed Button () repeatedly to cycle through fan speed settings: Low, Medium, High. The corresponding indicator light will illuminate.
5.3 Sleep Mode
Press the Sleep Mode Button () to activate Sleep Mode. In this mode, the fan operates at its lowest speed (approx. 24dB) and all indicator lights dim or turn off to ensure a quiet environment. Press any button to exit Sleep Mode.
Figure 5.2: The air purifier operating in a bedroom, illustrating its quiet performance in sleep mode (23dB) and other fan speeds (Low 28dB, Mid 35dB, High 50dB).
5.4 Timer Function
Press the Timer Button () repeatedly to set the operating time for 2, 4, 6, or 8 hours. The unit will automatically turn off after the selected time period. To cancel the timer, cycle through the options until no timer indicator is lit.
5.5 Aromatherapy Function
The air purifier includes a built-in aroma box for essential oils.
- Locate the aroma box on the top of the unit, usually a small tray or compartment.
- Add a few drops of your preferred essential oil onto the aroma pad (if included) or directly into the designated area. Do not pour essential oils directly into the air outlet or main body of the purifier.
- Close the aroma box securely.
- The scent will diffuse with the purified air.
Figure 5.3: A hand adding essential oil drops to the integrated aroma box on the top of the air purifier.
5.6 Night Light
Press the Night Light Button () to turn the soft ambient night light on or off. This feature is independent of other operating modes.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air purifier.
6.1 Filter Replacement
The SLEVOO Air Purifier BS-20 uses a 3-in-1 HEPA filter that should be replaced every 6-8 months, depending on usage and air quality. The unit may have a filter replacement indicator light that will illuminate when it's time to change the filter.
- Unplug the air purifier from the power outlet.
- Turn the unit upside down and twist the base cover counter-clockwise to remove it.
- Remove the old filter and dispose of it properly.
- Unpack a new genuine SLEVOO 3-in-1 HEPA filter.
- Insert the new filter into the unit, ensuring it is seated correctly.
- Replace the base cover and twist clockwise to lock it.
- Plug in the unit. If there was a filter replacement indicator, press and hold the Filter Reset Button (often combined with another function button, refer to control panel diagram) for 3-5 seconds to reset the filter lifetime counter.
Figure 6.1: Visual guide for replacing the 3-in-1 HEPA filter.
Note: Only use authentic SLEVOO replacement filters to maintain performance and warranty validity. The filter is a combination of a pre-filter, H13 True HEPA filter, and an activated carbon filter, designed to capture particles as small as 0.1 microns and reduce odors.
Figure 6.2: Cross-section diagram illustrating the three layers of the filter: Pre-Filter, H13 HEPA Filter, and Activated Carbon Filter.
6.2 Cleaning the Unit
- Always unplug the air purifier before cleaning.
- Wipe the exterior of the unit with a soft, dry cloth.
- Do not use abrasive cleaners, waxes, or solvents.
- The pre-filter layer of the 3-in-1 filter can be gently vacuumed to remove larger dust particles between replacements, but the HEPA and activated carbon layers are not washable.
7. Troubleshooting
If you encounter issues with your air purifier, please refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on |
|
|
| Weak airflow / Low purification efficiency |
|
|
| Unusual noise |
|
|
| Odor persists or new odor from unit |
|
|
If the problem persists after trying these solutions, please contact SLEVOO customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | BS-20 |
| Rated Power | 15 Watts |
| CADR (Clean Air Delivery Rate) | 170 m³/h (100 CFM) |
| Effective Area | Up to 1015 ft² (purifies once per hour) / 205 ft² (purifies 5 times per hour) |
| Noise Level | 24dB (Sleep Mode) - 50dB (High Speed) |
| Filter Type | 3-in-1 H13 True HEPA Filter (Pre-filter, H13 HEPA, Activated Carbon) |
| Dimensions (D x W x H) | 6.7" x 6.7" x 13.46" (17 x 17 x 34.2 cm) |
| Weight | 4.51 lbs (2.05 kg) |
| Certifications | CARB Certified, ETL Certified, FCC Certified |
9. Warranty and Customer Support
SLEVOO provides a standard manufacturer's warranty for this product. Please refer to the warranty card included in your product packaging for specific terms and conditions, including the warranty period and coverage details.
For technical support, warranty claims, or general inquiries, please contact SLEVOO customer service through the following channels:
- Email: [Insert Customer Service Email Here, if available]
- Website: [Insert Official Website Here, if available]
- Phone: [Insert Customer Service Phone Number Here, if available]
Please have your model number (BS-20) and purchase date ready when contacting support.
