1. Introduction
This manual provides comprehensive instructions for the Trucozie T356 Air Purifier. Designed for large indoor spaces, including bedrooms, this air purifier features a double-sided air inlet, H13 True HEPA filtration, and an integrated PM2.5 air quality sensor. Please read this manual carefully before operating the device to ensure safe and efficient use.
2. Safety Information
- Always ensure the air purifier is placed on a stable, level surface.
- Do not block the air inlets or outlets. Maintain at least 15 cm (6 inches) clearance from walls or other objects.
- Unplug the device before cleaning or performing any maintenance.
- Do not operate the device with a damaged cord or plug.
- Keep the device away from water or other liquids.
- 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.
3. Package Contents
Verify that all items are present in the package:
- 1 x Trucozie T356 Air Purifier
- 2 x Air Purifier Filters (Pre-Installed)
- 1 x User Manual
4. Product Overview
The Trucozie T356 Air Purifier is designed to improve air quality in large rooms up to 1937 ft² per hour, with a CADR of 176 CFM (300 m³/h). It features a double-sided air inlet for enhanced purification speed and circulation.

Figure 4.1: Trucozie T356 Air Purifier in a living room environment.
Equipped with H13 True HEPA filters, the unit achieves 99.97% efficiency in filtering particles such as smoke, pollen, pet dander, and hair. A built-in PM2.5 sensor monitors air quality in real-time, adjusting fan speed and indicating air quality levels (blue for excellent, green for good, purple for mediocre, red for poor).

Figure 4.2: Real-time PM2.5 air quality sensor indicators.
For undisturbed rest, the T356 includes a Sleep Mode, operating at a low noise level (less than 23dB) with the display light off.

Figure 4.3: Air Purifier operating in Sleep Mode in a bedroom.
5. Setup
5.1 Unpacking and Filter Installation
- Carefully remove the air purifier from its packaging.
- Open the filter covers on both sides of the unit.
- Remove the pre-installed filters and ensure to remove any plastic packaging film from each filter.
- Insert the filters back into their compartments, ensuring they are correctly seated and snap into place.
- Close the filter covers securely.

Figure 5.1: Installing the double-sided filters.
5.2 Placement
Place the air purifier in a central location within the room to optimize air circulation. Ensure there is adequate space around the unit for proper airflow.
5.3 Power Connection
Connect the power adapter to the unit and then plug it into a standard electrical outlet.
6. Operating Instructions
6.1 Control Panel
The Trucozie T356 features a touch control panel on the top of the unit. Refer to the image below for button layout.

Figure 6.1: Control Panel Overview.
6.2 Functions
- Power Button: Press to turn the unit On or Off.
- Speed Button: Cycles through fan speed settings (Low, Medium, High).
- Auto Mode: The unit automatically adjusts fan speed based on real-time air quality detected by the PM2.5 sensor.
- Sleep Mode: Activates quiet operation (less than 23dB) and turns off display lights for undisturbed sleep.
- Timer Button: Sets the operating time (e.g., 2H, 4H, 8H). The unit will automatically turn off after the set time.
- Light/Reset Button: Toggles the display light on/off. Also used to reset the filter replacement indicator (see Maintenance section).
- Lock Button: Engages the child lock function, preventing accidental changes to settings. Press and hold to activate/deactivate.
6.3 Air Quality Indicator
The LED indicator on the unit changes color to reflect the current air quality:
- Blue: Excellent air quality (0-35 ug/m³)
- Green: Good air quality (36-75 ug/m³)
- Purple: Mediocre air quality (76-115 ug/m³)
- Red: Poor air quality (>115 ug/m³)
6.4 Operational Videos
The following videos demonstrate various aspects of the air purifier's operation and features:
Video 6.1: Overview of the Trucozie Air Purifier for Home Large Room, demonstrating its features and operation.
Video 6.2: Demonstration of how the Trucozie Air Purifier functions to improve air quality.
Video 6.3: A review highlighting the features and performance of the air purifier.
7. Maintenance
7.1 Filter Replacement
The filters should be replaced every 6-8 months, depending on usage and air quality. The unit will typically indicate when a filter change is due.
- Unplug the air purifier from the power outlet.
- Open the filter covers on both sides of the unit.
- Remove the old filters and dispose of them properly.
- Insert new Trucozie T356 replacement filters, ensuring any plastic packaging is removed.
- Close the filter covers securely.
- Plug the unit back in.
- To reset the filter replacement indicator, press and hold the "Light/Reset" button for 3-5 seconds until the indicator light turns off.
7.2 Cleaning the Unit
Wipe the exterior of the air purifier with a soft, dry cloth. Do not use abrasive cleaners or solvents. Periodically vacuum the pre-filter mesh to remove larger dust particles and prolong filter life.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power supply; Filters not installed correctly or plastic film not removed. | Check power cord connection. Ensure filters are installed correctly and all plastic film is removed. |
| Air quality indicator always red/purple. | High particulate matter in the air; Sensor blocked or dirty. | Allow time for purification. Clean the PM2.5 sensor area gently with a dry cotton swab. |
| Unit is noisy. | High fan speed; Obstruction in fan. | Reduce fan speed. Check for any foreign objects near the fan. |
| Unit turns off automatically after a short period. | Air quality is already excellent; Timer function activated. | This is normal behavior if air quality is good. Check if a timer is set. |
| Filter indicator light remains on after filter replacement. | Filter reset not performed. | Press and hold the "Light/Reset" button for 3-5 seconds to reset the indicator. |
9. Specifications
| Model Number | T356 |
| Product Dimensions | 11 x 6 x 15 inches |
| Item Weight | 7.69 Pounds |
| Power Source | AC |
| Control Method | Touch Button Control |
| Filter Type | HEPA H13 |
| Floor Area Coverage | Up to 1937 Square Feet (in 1 hour) |
| Noise Level | 23 Decibels (in Sleep Mode) |
| Particle Retention Size | 0.3 Micron |
| Special Features | Double Sided Air Inlet, Real-Time Air Quality Monitoring |
| Certifications | CARB Certified, CE Certified, EPA Certified, FCC Certified |
10. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Trucozie website. Keep your purchase receipt as proof of purchase for warranty claims.
