1. Introduction
The Airthereal APH320 WiFi Air Purifier is designed to improve indoor air quality by effectively removing airborne particles and pollutants. Featuring an H13 True HEPA filter, UV-C light, and Anion function, it targets dust, pollen, smoke, odors, mold spores, and pet dander. Its smart auto mode and WiFi connectivity offer convenient control and monitoring of your environment.
2. Safety Instructions
- Read all instructions before operating the appliance.
- Ensure the power supply voltage matches the specifications on the product label.
- Do not operate the air purifier near water or in excessively humid environments.
- Keep the appliance away from children and pets.
- Do not block air inlets or outlets. Maintain at least 15 cm (6 inches) clearance from walls and furniture.
- Unplug the air purifier from the power outlet before cleaning, maintenance, or filter replacement.
- Do not attempt to repair or disassemble the unit yourself. Contact customer support for assistance.
3. Package Contents
- Airthereal APH320 WiFi Air Purifier
- H13 True HEPA Filter (pre-installed or separate)
- User Manual
4. Product Overview
Key Features
- WIFI ENABLED: Control the air purifier remotely using the Airia app on your smartphone. Monitor air quality, adjust settings, and schedule operations from anywhere.
- HIGH PERFORMANCE: With a CADR of 188 CFM (320 m³/h), it effectively cleans rooms up to 435 sq ft in 15 minutes or 800 sq ft in 30 minutes.
- H13 TRUE HEPA FILTRATION: Captures 99.97% of fine airborne particles as small as 0.1 microns, including dust, pollen, smoke, odors, mold spores, and pet dander.
- UV-C FUNCTION: Neutralizes airborne pollutants, germs, and viruses. CARB certified.
- ANION FUNCTION: Accelerates the trapping of airborne dust, pollen, and smoke.
- SMART AUTO MODE: Automatically detects current air quality and adjusts fan speed accordingly for optimal purification.
- QUIET SLEEP MODE: Operates at a low noise level (22 dB) with dimmed lights for undisturbed rest.
Components


5. Setup
5.1 Unboxing and Filter Preparation
- Carefully remove the air purifier from its packaging.
- Locate the filter compartment, typically on the side or back of the unit.
- Open the filter cover and remove the H13 True HEPA filter.
- Remove any plastic packaging from the filter. The filter must be unwrapped before use.
- Insert the unwrapped filter back into the compartment, ensuring it is seated correctly.
- Close the filter cover securely.

5.2 Placement and Power Connection
- Place the air purifier on a firm, level surface.
- Ensure there is adequate space around the unit for proper airflow (at least 15 cm / 6 inches from walls or furniture).
- Plug the power cord into a suitable electrical outlet.
6. Operating Instructions
6.1 Control Panel Functions
The control panel on top of the unit allows for direct operation:
- Power Button: Turns the unit on or off.
- Fan Speed Button: Cycles through fan speeds (1, 2, 3) or auto mode.
- Timer Button: Sets the operating time (e.g., 1, 2, 4, 8 hours).
- Sleep Mode Button: Activates sleep mode, dimming lights and setting the fan to the lowest speed for quiet operation.
- UV-C Button: Turns the UV-C light on or off to neutralize airborne germs.
- Anion Button: Activates the Anion function to enhance particle trapping.
- Smart Auto Mode: The unit automatically detects air quality and adjusts fan speed.


6.2 App Control (WiFi Enabled)
The Airthereal APH320 can be controlled via the Airia smartphone app:
- Download the "Airia" app from your device's app store.
- Follow the in-app instructions to connect your air purifier to your home WiFi network.
- Once connected, you can use the app to:
- Turn the air purifier on/off.
- Adjust fan speed.
- Activate/deactivate UV-C and Anion functions.
- Set schedules for operation.
- Monitor real-time air quality.
- Check filter life.

7. Maintenance
7.1 Filter Replacement
The filter should be replaced when the red "PM 2.5" light on the control panel blinks, typically every 6-8 months depending on usage and air quality.
- Unplug the air purifier from the power outlet.
- Gently pull the front cover to remove it.
- Remove the old filter by pulling it out.
- Insert a new H13 True HEPA filter into the compartment. Ensure it fits snugly.
- Replace the front cover.
- Plug the air purifier back in.
- To reset the filter indicator, press and hold the Fan Speed button and the Timer button simultaneously for a few seconds until the red light stops blinking.
7.2 Cleaning
- Wipe the exterior of the unit with a soft, dry cloth.
- The pre-filter (outer layer of the main filter) can be gently wiped with a damp cloth to remove larger dust particles between replacements. Ensure it is completely dry before reinserting.
- Do not use abrasive cleaners or solvents.
8. Troubleshooting
If you encounter issues with your Airthereal APH320, please refer to the following common solutions:
- Unit does not turn on: Check if the power cord is securely plugged into a working outlet. Ensure the filter cover is properly closed.
- Poor air purification: Verify that the filter's plastic packaging has been removed. Check if the filter needs replacement (blinking PM 2.5 light). Ensure air inlets and outlets are not obstructed.
- Unusual noise: Check for any foreign objects inside the unit or if the filter is incorrectly installed.
- App connectivity issues: Ensure your air purifier is within range of your WiFi router. Restart both the air purifier and your smartphone. Re-pair the device with the app if necessary.
For further assistance, please contact Airthereal customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | APH320 |
| Product Dimensions | 6.7 x 13 x 21.2 inches |
| Item Weight | 10 Pounds |
| Power Source | AC |
| Control Method | App, Touch Panel |
| Filter Type | H13 True HEPA |
| Floor Area Coverage | Up to 800 Square Feet |
| Noise Level | 22 Decibels (Sleep Mode) |
| Particle Retention Size | 0.1 Micron |
| Special Features | Anion Function, H13 HEPA, Smart Auto Mode, UV-C Function |
| Smart Home Compatibility | Smart Home Compatible |
| Specification Met | CARB Certified |
| Color | Modern Grey |
| UPC | 816621023591 |
10. Warranty and Support
The Airthereal APH320 WiFi Air Purifier comes with a manufacturer's warranty for 2 years from the day of purchase.
For warranty claims, technical support, or any inquiries, please visit the official Airthereal website or contact their customer service directly.