1. Introduction
Thank you for choosing the TER Air AP03 Pet Air Purifier. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new air purifier. Please read it thoroughly before use and retain it for future reference.

Image: The TER Air AP03 Pet Air Purifier, designed to circulate air and capture pet hair and odors.
2. Safety Information
To reduce the risk of fire, electric shock, or injury, please observe the following safety precautions:
- Always unplug the air purifier before moving, cleaning, or performing any maintenance.
- Do not operate the unit with a damaged cord or plug. If the cord or plug is damaged, contact customer support.
- Keep the air purifier away from water or other liquids. Do not use in wet environments like bathrooms.
- Ensure the air inlets and outlets are not blocked. Maintain at least 15 cm (6 inches) clearance from walls and furniture.
- Do not insert fingers or foreign 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.
- Use only genuine TER Air replacement filters.
- The appliance is for household use only.
3. Product Overview
Key Features
- Pet Hair Capture: Features wide U-shaped inlets designed to effectively capture floating pet hair, reducing airborne fur by up to 86%.
- Odor Elimination: Utilizes CTC100 activated carbon with ammonia removal factors to absorb pet odors, including litter box smells and pet body odor.
- Washable Pre-Filter: Equipped with an upgraded PP washable pre-filter for extended lifespan and reduced replacement costs.
- H13 True HEPA Filtration: Traps 99.97% of airborne allergens and particles as small as 0.1 microns, such as pet dander, dust, pollen, and smoke.
- Smart Auto Mode: Automatically adjusts purification speed based on real-time air quality readings.
- Energy Efficient: ECO mode allows for continuous operation with minimal electricity consumption.
- Child Lock Function: Prevents accidental changes to settings by curious pets or children.
Components
The TER Air AP03 Pet Air Purifier consists of the main unit, a washable pre-filter, and a 2-in-1 CTC100 Carbon + H13 HEPA filter. The control panel is located on the top of the unit.

Image: The pet-specific air inlet design of the AP03, optimized for capturing pet hair.

Image: The multi-layer filtration system, including the washable pre-filter and the 2-in-1 HEPA and activated carbon filter.
4. Setup
Follow these steps to set up your TER Air AP03 Pet Air Purifier:
- Unpack: Carefully remove the air purifier from its packaging.
- Remove Filter Packaging: The filters inside the unit are typically sealed in plastic for protection. Open the front cover of the air purifier by gently pulling it from the top or sides. Remove the pre-filter and the 2-in-1 HEPA/Carbon filter. Remove all plastic packaging from both filters.
- Install Filters: Place the 2-in-1 HEPA/Carbon filter back into the unit, ensuring it is oriented correctly. Then, place the washable pre-filter in front of it.
- Close Cover: Securely close the front cover of the air purifier.
- Position Unit: Place the air purifier on a flat, stable surface. Ensure there is at least 15 cm (6 inches) of clear space around all sides for optimal airflow.
- Connect Power: Plug the power adapter into the air purifier's power port, then plug the adapter into a standard electrical outlet.

Image: Removing the pre-filter for initial setup or cleaning.
5. Operating Instructions
The TER Air AP03 features a touch control panel with various settings and modes:

Image: The intuitive touch control panel for easy operation.
Control Panel Functions:
- Power Button: Turns the unit On/Off.
- Mode Button: Cycles through different operating modes: ECO, PET, TURBO, AUTO, SLEEP.
- Speed Button: Manually adjusts fan speed (if not in Auto mode).
- Timer Button: Sets an operating timer for 1-24 hours.
- Light Button: Turns the display light On/Off.
- Lock Button: Activates/deactivates the child lock function. Press and hold for 3 seconds to engage.
- Filter Reset Button: Resets the filter replacement reminder after a filter change.
Operating Modes:
- AUTO Mode: The purifier automatically adjusts fan speed based on real-time air quality detected by the PM2.5 sensor.
- ECO Mode: Operates at the lowest fan speed for energy efficiency and quiet operation, ideal for continuous background purification.
- PET Mode: Optimized for pet households, focusing on enhanced pet hair and odor removal.
- TURBO Mode: Runs at maximum fan speed for rapid air purification in highly polluted environments or large rooms.
- SLEEP Mode: Operates at the lowest fan speed with dimmed lights for undisturbed sleep.

Image: The air purifier operating in ECO mode, highlighting its energy efficiency.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air purifier.
Cleaning the Washable Pre-Filter:
The washable pre-filter should be cleaned regularly, especially in homes with multiple pets. The frequency depends on usage and pet shedding levels.
- Power Off: Unplug the air purifier from the power outlet.
- Remove Pre-Filter: Open the front cover and carefully remove the washable pre-filter.
- Rinse: Rinse the pre-filter under running water until all accumulated pet hair and dust are removed. Do not use harsh detergents or abrasive materials.
- Dry Completely: Allow the pre-filter to air dry completely before re-installing. Ensure it is thoroughly dry to prevent mold or odors.
- Re-install: Place the dry pre-filter back into the unit and close the front cover.

Image: The washable pre-filter being cleaned under running water.
Replacing the 2-in-1 HEPA/Carbon Filter:
The 2-in-1 CTC100 Carbon + H13 HEPA filter is not washable and needs to be replaced periodically. A filter replacement reminder will appear on the display.
- Replacement Frequency: It is recommended to replace the filter every 4-8 months, depending on usage and air quality.
- Obtain New Filter: Purchase a genuine TER Air replacement filter for model AP03.
- Power Off: Unplug the air purifier.
- Remove Old Filter: Open the front cover, remove the washable pre-filter, then remove the old 2-in-1 HEPA/Carbon filter. Dispose of the old filter responsibly.
- Install New Filter: Insert the new 2-in-1 HEPA/Carbon filter, followed by the washable pre-filter. Close the front cover.
- Reset Filter Reminder: Plug in the unit and press and hold the 'Filter Reset' button on the control panel for 3 seconds until the indicator light turns off.

Image: The H13 HEPA and CTC100 Carbon filter, which requires periodic replacement.
7. Troubleshooting
If you encounter issues with your TER Air AP03, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power; power cord not connected; unit damaged. | Check power connection; try a different outlet; contact support if damaged. |
| Poor airflow or purification | Blocked air inlets/outlets; dirty pre-filter; clogged HEPA/Carbon filter. | Ensure clear space around unit; clean washable pre-filter; replace HEPA/Carbon filter. |
| Unusual noise | Foreign object inside; unit not on a flat surface; fan issue. | Unplug and check for obstructions; place on a stable surface; contact support. |
| Odor persists | Filter saturation; source of odor still present. | Replace HEPA/Carbon filter; identify and remove odor source. |
| Filter Reset light remains on | Filter reminder not reset after replacement. | Press and hold the 'Filter Reset' button for 3 seconds. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | MK-AP03 |
| Product Dimensions | 15 x 12 x 12 inches |
| Item Weight | 6.9 pounds |
| Power Source | AC |
| Wattage | 42.5 watts |
| Control Method | Touch Control |
| Filter Type | HEPA H13, CTC100 Activated Carbon, Washable Pre-filter |
| Particle Retention Size | 0.1 micron |
| Noise Level | 22 dB (Sleep Mode) |
| Floor Area Coverage | Up to 2500 sq.ft (60 mins), 468 sq.ft (13 mins) |
| Certifications | ETL, FCC, EPA, GRS, CARB, CA65 |
9. Warranty and Support
For warranty information, please refer to the documentation included with your purchase or contact TER Air customer support. If you have any questions, require technical assistance, or need to purchase replacement filters, please reach out to our support team.
Manufacturer: Zhongshan Haesuk TechnologyCo.,LTD
Brand: TER Air
For further assistance, please visit the official TER Air website or contact their customer service department.
