1. Important Safety Instructions
Please read all instructions carefully before operating this appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always unplug the air purifier before moving it, opening the grille, changing filters, or performing any cleaning.
- Do not operate the unit if the power cord or plug is damaged. Contact customer support for assistance.
- Keep the air inlet and outlet clear of obstructions.
- Do not use the air purifier in wet environments or near water.
- 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.
- Children should be supervised to ensure that they do not play with the appliance.
2. Product Overview
The TOSOT Air Purifier KJ350G is designed to improve indoor air quality by filtering out various airborne particles and pollutants. It features a multi-stage filtration system including an H13 True HEPA filter and UV light sterilization.
Product Components
- Main Unit
- Composite Filter (Pre-filter, H13 HEPA, Activated Carbon)
- Power Cord
Figure 2.1: Front view of the TOSOT Air Purifier KJ350G.
Figure 2.2: Dimensions of the TOSOT Air Purifier KJ350G (10"D x 12.6"W x 22.8"H).
3. Features
The TOSOT Air Purifier KJ350G incorporates several features to ensure efficient air purification and user convenience:
- H13 Medical Grade True HEPA Filter: Captures 99.97% of airborne particles as small as 0.1 microns, including dust, smoke, mold spores, and pollen.
- UV Light Sanitizer: Helps eliminate airborne bacteria and viruses.
- High CADR (Clean Air Delivery Rate): With a CADR of 200 CFM, it effectively purifies air in rooms up to 450 sq. ft.
- Quiet Operation: Operates at a low noise level of 32dB in sleep mode, ensuring minimal disturbance.
- Auto Filtration Mode: Automatically adjusts fan speed based on real-time air quality.
- Multiple Fan Speeds: Offers Low, High, and Turbo settings for customized air purification.
- Timer Function: Set the unit to operate for 2, 4, or 8 hours.
- Air Quality Indicator: Provides visual feedback on current air quality (Green: Good, Yellow: Fair, Red: Poor).
- Certifications: AHAM, ETL, and CARB certified for efficiency, performance, and quality.
Figure 3.1: The 4-stage filtration system of the TOSOT Air Purifier.
Figure 3.2: Noise levels of the air purifier at different fan speeds.
Figure 3.3: PM2.5 Air Quality Indicator colors and their meanings.
4. Setup
4.1 Unpacking and Placement
- Remove the air purifier from its packaging.
- Place the unit on a firm, level surface. Ensure there is at least 6 inches (15 cm) of space around all sides for proper air circulation.
- Do not place the unit directly against a wall or furniture.
4.2 Filter Installation
The air purifier comes with the filter pre-installed, but it may be wrapped in plastic for protection. Remove the plastic wrapping before first use.
- Gently pull the front cover of the air purifier to remove it.
- Locate the composite filter inside the unit.
- Remove the plastic packaging from the filter.
- Insert the filter back into the unit, ensuring the "FRONT" arrow on the filter faces outwards.
- Reattach the front cover by aligning it and pushing gently until it clicks into place.
Figure 4.1: Filter installation process.
5. Operating Instructions
Plug the power cord into a standard electrical outlet. The unit will enter standby mode.
Figure 5.1: Control Panel Overview.
5.1 Power On/Off
- Press the Power button () to turn the unit on or off.
5.2 Fan Speed Adjustment
- Press the Fan Speed button () repeatedly to cycle through Low, High, and Turbo fan speeds.
5.3 Auto Mode
- Press the Auto Mode button () to activate automatic fan speed adjustment based on detected air quality. The air quality indicator will change color accordingly.
5.4 Sleep Mode
- Press the Sleep Mode button () to enter sleep mode. The fan speed will reduce to the lowest setting, and display lights will dim for quiet operation.
5.5 UV Light Function
- Press the UV button () to turn the UV sterilization light on or off.
5.6 Timer Setting
- Press the Timer button () repeatedly to set the operating time for 2, 4, or 8 hours. The unit will automatically turn off after the set time.
5.7 Video Demonstration
Video 5.1: A demonstration of the TOSOT KJ350G Air Purifier's features, including the H13 HEPA filter and UV Light.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air purifier.
6.1 Filter Replacement
The filter replacement indicator light will illuminate when it's time to replace the filter. For continuous use, it is recommended to replace the filter every 3-6 months.
- Unplug the air purifier from the power outlet.
- Remove the front cover and the old filter as described in Section 4.2.
- Dispose of the old filter responsibly.
- Install a new TOSOT KJ350G replacement filter (sold separately).
- Reattach the front cover.
- Plug in the unit. To reset the filter replacement indicator, press and hold the Filter Replacement Reminder button (often combined with another function, refer to your control panel for exact icon) for 3-5 seconds until the light turns off.
Figure 6.1: Replacing the air filter.
6.2 Cleaning the Air Sensor
The air quality sensor should be cleaned periodically to maintain accuracy.
- Unplug the air purifier.
- Locate the air sensor cover on the side of the unit.
- Open the cover and gently clean the sensor lens with a dry cotton swab.
- Close the sensor cover.
Figure 6.2: Cleaning the air quality sensor.
6.3 Exterior Cleaning
- Wipe the exterior of the unit with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
7. Troubleshooting
If you encounter issues with your air purifier, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply | Ensure the power cord is securely plugged into a working outlet. |
| Weak airflow | Filter is dirty or clogged | Replace the filter. |
| Unusual noise | Foreign object inside the unit or improper filter installation | Unplug the unit, remove the front cover, and check for obstructions or ensure the filter is correctly seated. |
| Air quality indicator always red/yellow | Air sensor is dirty | Clean the air sensor as described in Section 6.2. |
| Odor from unit | Filter needs replacement | Replace the filter. |
If the problem persists after trying these solutions, please contact TOSOT customer support.
8. Specifications
| Specification | Detail |
|---|---|
| Model | KJ350G |
| Brand | TOSOT |
| Color | Black |
| Product Dimensions | 10"D x 12.6"W x 22.8"H |
| Item Weight | 19.34 pounds |
| Noise Level | 32 Decibels (min) |
| Wattage | 76 watts |
| Filter Class | HEPA H13 |
| Contaminant Filtration Capability | Dust, Odors, Wildfire Smoke, Mold, Pollen, Bacteria, Viruses |
| Control Method | Touch Button Control |
| Power Source | Corded Electric |
| UPC | 811820025162 |
| ASIN | B085ZWWNZC |
9. Warranty and Support
TOSOT is committed to providing quality products. For warranty information, product registration, or technical support, please visit the official TOSOT website or contact their customer service department. Keep your purchase receipt as proof of purchase for warranty claims.
TOSOT is a brand with over 30 years of manufacturing experience, dedicated to improving the quality of your home with thoughtfully designed products.
