1. Introduction
The Airthereal APH260 Air Purifier is designed to improve indoor air quality by effectively removing airborne particles, odors, and other contaminants. Featuring a multi-stage filtration system, smart controls, and quiet operation, it provides a cleaner and healthier environment for your home or office.
Key Features:
- 3-Stage Filtration: Includes a Pre-Filter, True HEPA Filter, and Activated Carbon Filter to capture 99.97% of airborne particles as small as 0.3 microns.
- High CADR: Rated at 152+ CFM (260 m³/h), capable of purifying areas up to 355 square feet (33m²) efficiently.
- Smart Control: Automatically adjusts purification mode based on real-time air quality measurements.
- Sleep Mode: Ensures quiet operation and dimmed lights for undisturbed rest.
- UV-C Light: Helps to neutralize airborne viruses and bacteria.
- Anion Function: Assists in collecting smaller particles and allergens.
2. Safety Instructions
Please read all safety instructions carefully before operating the Airthereal APH260 Air Purifier to prevent injury or damage.
- Always unplug the air purifier before cleaning, performing maintenance, or when not in use.
- Ensure the plastic wrap is removed from all filters before initial use. Failure to do so will prevent proper operation and may damage the unit.
- Do not operate the unit with a damaged cord or plug.
- Place the air purifier on a firm, level surface, ensuring adequate space around the unit for proper airflow.
- Keep the air purifier away from water or moist environments.
- Do not insert any objects into the air inlets or outlets.
- 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 Airthereal APH260 Air Purifier
- 1 x Power Cord
- 1 x User Manual (this document)
4. Product Overview
Familiarize yourself with the components and controls of your Airthereal APH260 Air Purifier.

Figure 1: Front view of the Airthereal APH260 Air Purifier, showcasing its sleek design and air intake grille.
Control Panel:

Figure 2: Close-up of the Airthereal APH260 control panel, showing touch buttons for power, fan speed, timer, sleep mode, auto mode, and UV function.
- Power Button: Turns the unit on or off.
- Fan Speed Button: Adjusts fan speed (levels 1-3).
- Timer Button: Sets the operating duration.
- Sleep Mode Button: Activates quiet operation and dims display lights.
- Auto Mode Button: Enables automatic fan speed adjustment based on air quality.
- UV Button: Turns the UV-C light on or off.
- Anion Button: Activates the anion function.
- PM2.5 Display: Shows real-time air quality readings.
5. Setup
5.1 Unpacking and Placement
- Remove the air purifier from its packaging.
- Place the unit on a flat, stable surface. Ensure there is at least 6 inches (15 cm) of space around all sides for optimal airflow. The air purifier intakes air from the front and exhausts purified air from the top.
5.2 Filter Installation
The filters come pre-installed but are wrapped in plastic for protection. You must remove this plastic before operating the unit.
- Gently pull the front cover of the air purifier to detach it.
- Remove the pre-installed filters.
- Remove all plastic packaging from each filter.
- Reinsert the filters into the unit in the correct order (Pre-Filter, True HEPA Filter, Activated Carbon Filter). Ensure they are seated properly.
- Reattach the front cover by aligning it and pushing it gently until it clicks into place.

Figure 3: The filter being inserted into the Airthereal APH260 Air Purifier, demonstrating the correct orientation for installation.
6. Operating Instructions
6.1 Power On/Off
Plug the power cord into a standard electrical outlet. Press the Power Button on the control panel to turn the unit on or off.
6.2 Adjusting Fan Speed
Press the Fan Speed Button repeatedly to cycle through three fan speed settings (1, 2, 3). The current speed will be displayed on the screen.
6.3 Auto Mode
Press the Auto Mode Button (A) to activate the smart control feature. The air purifier will automatically detect air quality (PM2.5 levels) and adjust the fan speed accordingly to maintain optimal air purification.
6.4 Sleep Mode
Press the Sleep Mode Button to enter sleep mode. The display lights will dim, and the fan will operate at its lowest, quietest setting for undisturbed sleep.
6.5 Timer Function
Press the Timer Button to set the operating time. Each press will cycle through available timer settings (e.g., 1 hour, 2 hours, etc.). The unit will automatically turn off once the set time has elapsed.
6.6 UV-C Light and Anion Function
- Press the UV Button to turn the UV-C light on or off. The UV-C light helps to kill airborne viruses and bacteria.
- Press the Anion Button to activate or deactivate the anion function. Anions help to collect smaller particles and allergens, making them easier for the filter to capture.
6.7 Child Lock
To activate the child lock, press and hold the Fan Speed Button and Timer Button simultaneously for 3 seconds. This will lock the control panel to prevent unintended changes. Repeat the action to deactivate the child lock.

Figure 4: An image showing a child near the air purifier, with an overlay indicating how to activate the child lock feature by pressing and holding specific buttons for 3 seconds.
7. Maintenance
7.1 Filter Replacement
The PM2.5 indicator light will flash when it's time to replace the filter. For optimal performance, it is recommended to replace the filter every six months.
- Unplug the air purifier.
- Remove the front cover and old filters as described in Section 5.2.
- Insert new, unwrapped filters into the unit.
- Reattach the front cover.
- Plug in the air purifier. To reset the filter indicator, press and hold the Fan Speed Button and Timer Button simultaneously for a few seconds until the flashing stops.
Video 1: A video demonstrating the simple process of checking and replacing the filter in the Airthereal APH260 Air Purifier, highlighting the amount of dust collected.
7.2 Cleaning the Unit
- Wipe the exterior of the air purifier with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- The pre-filter can be gently cleaned with a soft brush or vacuum cleaner to remove large dust particles between replacements.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Power cord not properly plugged in; No power from outlet; Filters not installed correctly or plastic wrap not removed. | Check power connection; Try a different outlet; Ensure filters are correctly installed and plastic wrap is removed. |
| Airflow is weak | Filters are dirty or clogged; Air inlets/outlets are blocked. | Replace filters; Ensure nothing is obstructing air circulation. |
| Unusual noise | Filters not installed correctly; Foreign object inside the unit. | Reinstall filters; Check for and remove any foreign objects. |
| PM2.5 indicator light flashing after filter replacement | Filter replacement reminder needs to be reset. | Press and hold the Fan Speed Button and Timer Button simultaneously for a few seconds to reset. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | APH260 |
| Product Dimensions | 6.7 x 13 x 21.2 inches |
| Item Weight | 10.4 Pounds |
| Power Source | AC |
| Control Method | Touch |
| Filter Type | Pre-Filter, True HEPA Filter, Activated Carbon Filter |
| Floor Area Coverage | 355 Square Feet |
| Noise Level | 49 Decibels |
| Particle Retention Size | 0.1 Micrometer |
| Wattage | 50 watts |
| Special Features | HEPA Filtration, UV-C Light, Anion Function, Auto Mode, Sleep Mode, Timer |
10. Warranty and Support
The Airthereal APH260 Air Purifier comes with a manufacturer's warranty for 2 years from the date of purchase. For warranty claims, technical support, or any inquiries, please refer to the contact information provided on the official Airthereal website or your purchase documentation.