1. Introduction
Thank you for choosing the POMORON MJ005H Air Purifier. This device is designed to significantly improve your indoor air quality by effectively removing airborne particles and odors. Featuring an H13 True HEPA filter, essential oil diffusion capability, and smart control options, the MJ005H provides a cleaner and healthier living environment.
Key features include a 4/8/12-hour timer, 4 fan speeds, an ultra-quiet 25 dB sleep mode, a real-time air quality indicator, and an automatic mode that adjusts fan speed based on detected air quality.
2. Safety Instructions
Please read all safety instructions carefully before operating the appliance and keep this manual for future reference.
- Always place the air purifier on a firm, level surface.
- Do not block the air inlets or outlets. Maintain at least 15 cm (6 inches) clearance from walls and furniture.
- Do not immerse the appliance in water or other liquids.
- Do not use the appliance in wet or high-humidity environments, such as bathrooms.
- Unplug the air purifier before cleaning or performing any maintenance.
- Use only official POMORON replacement filters (MJ003HD-RF) to ensure optimal performance and safety.
- Keep out of reach of children and pets.
- Do not attempt to repair or disassemble the unit yourself. Contact qualified service personnel.
3. Package Contents
- POMORON MJ005H Air Purifier Unit
- H13 True HEPA Filter (pre-installed or separately packaged)
- User Manual
4. Product Overview
Familiarize yourself with the main components of your POMORON MJ005H Air Purifier.

Image: The POMORON MJ005H Air Purifier, showcasing its compact design and digital display.
Components:
- Control Panel: Located on the top, with touch-sensitive buttons and a digital display.
- Air Outlet: Top grille where purified air is released.
- Air Inlet: Side and rear vents where air is drawn in.
- Filter Cover: Removable panel for accessing the filter compartment.
- H13 True HEPA Filter: Multi-layer filtration system inside the unit.
- Essential Oil Diffuser Pad (if applicable): Small compartment for adding essential oils.
5. Setup
Follow these steps to set up your air purifier for the first time:
- Unpack: Carefully remove the air purifier and all packaging materials from the box.
- Remove Filter Packaging: Open the filter cover (usually located at the back or bottom of the unit) and remove the plastic packaging from the H13 True HEPA filter. This step is crucial for the purifier to function correctly.
- Install Filter: Place the filter back into the unit, ensuring it is seated correctly. Close the filter cover securely.
- Placement: Place the air purifier on a flat, stable, and dry surface. Ensure there is at least 15 cm (6 inches) of space around all sides for optimal airflow. Avoid placing it directly against walls or furniture.
- Connect Power: Plug the power cord into a suitable electrical outlet. The unit will enter standby mode.
6. Operation
The POMORON MJ005H features an intuitive touch control panel.

Image: The air purifier's display showing real-time PM2.5 readings and indicating good air quality in Smart Auto Mode.
Control Panel Functions:
- Power Button (⏻): Touch to turn the unit ON or OFF.
- Fan Speed Button (⇋): Cycle through 4 fan speeds: Low, Medium, High, and Turbo.
- Timer Button (⏱): Set the operating time for 4, 8, or 12 hours. The unit will automatically turn off after the set time.
- Sleep Mode Button (☾): Activates ultra-quiet operation (approx. 15-25 dB) for undisturbed sleep. The display lights may dim or turn off in this mode.
- Auto Mode Button (A): Engages Smart Auto Mode. The built-in air quality sensors will detect PM2.5 levels and automatically adjust the fan speed to optimize purification.
- UV Function Button (☀): Short press to turn the UV-C purification function ON or OFF. This feature provides an additional layer of purification.
- Filter Reset Indicator: A light will illuminate when it's time to replace the filter. After replacing the filter, press and hold the Filter Reset button (often combined with another button, refer to specific icon on your unit) for 3-5 seconds to reset the indicator.

Image: The air purifier operating in ultra-quiet sleep mode (15 dB) in a bedroom.
Essential Oil Diffusion:
The MJ005H may include a small pad or compartment for essential oils. To use this feature:
- Locate the essential oil pad/compartment (refer to product diagram if available).
- Add a few drops of your preferred essential oil onto the pad. Do not pour oil directly into the unit.
- Reinsert the pad/close the compartment. The fan will help diffuse the aroma into the air.
7. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air purifier.
Filter Replacement:
The H13 True HEPA filter has a limited lifespan and needs to be replaced periodically. The filter replacement indicator light will illuminate when a replacement is due (typically every 6-8 months, depending on air quality and usage).

Image: Detailed diagram illustrating the multi-layer H13 True HEPA filtration system, including Pre-Filter, H13 HEPA Layer, Activated Carbon Layer, and UV-C Dual Purification.
- Unplug: Always unplug the air purifier from the power outlet before replacing the filter.
- Open Cover: Open the filter cover (refer to your unit's design for exact location).
- Remove Old Filter: Carefully remove the used filter. Dispose of it properly.
- Install New Filter: Insert a new POMORON MJ003HD-RF H13 True HEPA filter into the unit. Ensure it is oriented correctly.
- Close Cover: Close the filter cover securely.
- Reset Filter Indicator: Plug the unit back in. With the unit powered on, press and hold the Filter Reset button (or the designated button, check your unit's control panel) for 3-5 seconds until the indicator light turns off.
Note: Only use official POMORON replacement filters (MJ003HD-RF). Non-official filters may compromise performance and void your warranty.
Cleaning:
- Exterior: Wipe the exterior of the air purifier with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Air Quality Sensor: Periodically clean the air quality sensor (usually a small opening on the side or back) with a dry cotton swab to ensure accurate readings.
- Pre-filter (if removable/washable): Some filters have a washable pre-filter layer. If yours does, gently rinse it under running water and ensure it is completely dry before reinserting.
8. Troubleshooting
If you encounter issues with your air purifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power connection. | Ensure the power cord is securely plugged into the unit and a working electrical outlet. |
| Filter not installed correctly or packaging not removed. | Check that the filter is free of all packaging and correctly seated inside the unit. Close the filter cover securely. | |
| Poor air purification. | Filter is dirty or expired. | Replace the H13 True HEPA filter. |
| Air inlets/outlets are blocked. | Ensure there is sufficient clearance around the unit. | |
| Increased noise during operation. | Filter is dirty. | Replace the H13 True HEPA filter. |
| Foreign object inside the unit. | Unplug the unit and carefully check for any obstructions. | |
| Filter replacement indicator remains on after filter change. | Indicator not reset. | Press and hold the Filter Reset button for 3-5 seconds until the light turns off. |
9. Specifications

Image: Illustration of the air purifier's high-efficiency air circulation, covering up to 2500 sq ft (based on highest fan speed).
| Attribute | Value |
|---|---|
| Brand | POMORON |
| Model Number | MJ005H |
| Color | White |
| Dimensions (L x W x H) | 16.26 x 31.24 x 35.56 cm (6.4 x 12.3 x 14 inches) |
| Weight | 2.72 kg (6 pounds) |
| Noise Level | 15 dB (Sleep Mode) |
| Filter Type | H13 True HEPA |
| Coverage Area | Up to 2500 sq ft (based on highest fan speed) |
| Control Method | Touch Control |
| Features | Air Quality Indicator, Auto Mode, Timer, UV-C Purification |
| Power Source | AC |
10. Warranty and Support
Information regarding specific warranty terms and support contact details for the POMORON MJ005H Air Purifier is not provided in the current product data. For warranty claims, technical support, or to purchase official replacement filters (MJ003HD-RF), please refer to the product packaging, the official POMORON website, or contact the retailer where you purchased the product.
Always retain your proof of purchase for warranty purposes.