Yiju A9 Air Purifier Instruction Manual

Introduction

Thank you for choosing the Yiju A9 Air Purifier. This device is designed to improve your indoor air quality through a multi-stage filtration system and offers an aromatherapy function for a more pleasant environment. Please read this manual thoroughly before use to ensure proper operation and maintenance.

Safety Instructions

• Always place the air purifier on a firm, level surface.
• Keep the unit away from water or moist environments.
• Do not block the air inlet or outlet.
• Unplug the device before cleaning or performing any maintenance.
• Do not use the device if the power cord or plug is damaged.
• 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.
• Do not use UV-C light or ion generators that produce ozone. This product is designed to be ozone-free.

Product Overview

The Yiju A9 Air Purifier features a comprehensive 5-in-1 air purification system, including a 4-layer true HEPA filter and a negative ion function. It also integrates an aromatherapy feature for enhanced comfort.

Key Features:

• 5-Stage Filtration: Primary filter, True HEPA filter, Activated Carbon filter, Sterilization Cotton, and Negative Ion function. Effectively removes particles as small as 0.3 microns and PM2.5, reducing up to 99.97% of airborne pollutants.
• Aromatherapy Function: Integrated essential oil box to diffuse your favorite scents while purifying the air.
• Quiet Operation: Operates at a minimum of 20 dB in sleep mode, ensuring a peaceful environment.
• Multiple Fan Speeds: Three fan speed settings (Sleep, Daily, High) to suit different needs.
• Timer Function: Set the purifier to operate for 2, 4, or 8 hours.
• Filter Replacement Reminder: An indicator light notifies you when it's time to replace the filter.
• Night Light: Two brightness settings for eye protection.

Image: Overview of the Yiju A9 Air Purifier highlighting its main features like 4-layer filtration, 3 fan speeds, aromatherapy, night light, timer, and filter replacement reminder.

Image: The Yiju A9 Air Purifier shown in different environments such as a living room, kitchen, baby room, bedroom, and office, demonstrating its versatility.

Setup

1. Unpacking

Carefully remove the air purifier from its packaging. Check for any damage during transit. Retain the packaging for future storage or transport.

2. Filter Installation

The filter is typically pre-installed but may be wrapped in plastic for protection. Before first use, ensure the plastic packaging is removed from the filter.

1. Turn the air purifier upside down.
2. Twist the base cover counter-clockwise to unlock and remove it.
3. Remove the multi-layer filter from its plastic packaging.
4. Insert the filter back into the unit, ensuring it is seated correctly.
5. Replace the base cover and twist clockwise to lock it securely.

Image: Detailed diagram illustrating the four stages of filtration: Pre-Filter, HEPA Filter, Activated Carbon Filter, and Sterilization Cotton Filter, along with the air flow path.

Image: An exploded view of the air purifier showing the internal components, including the fan and the multi-layer filter, with arrows indicating the purification process for various pollutants like allergens, smoke, bacteria, mold spores, PM2.5, and pet dander.

3. Placement

Place the air purifier on a stable, flat surface in the desired room. Ensure there is at least 15 cm (6 inches) of clear space around the unit for optimal air circulation.

4. Power Connection

Connect the power adapter to the air purifier and then plug it into a standard electrical outlet.

Operating Instructions

1. Power On/Off

Press the power button on the control panel to turn the unit on or off.

2. Fan Speed Adjustment

Press the fan speed button to cycle through the three available speeds: Sleep Mode (20 dB), Daily Mode (35 dB), and High Mode (50 dB).

Image: The air purifier displaying its noise levels for Sleep Mode (20dB), Medium Mode (35dB), and High Mode (50dB), emphasizing its quiet operation for a peaceful night.

Image: The air purifier with graphical representations of its 3 fan speeds and 3 programmed shut-off timer options.

3. Timer Function

Press the timer button to set the operating duration to 2, 4, or 8 hours. The unit will automatically shut off after the selected time.

4. Night Light / Sleep Mode

The unit features a night light with two brightness settings. You can choose to activate or deactivate the night light function as needed. In sleep mode, the fan operates at its lowest speed for minimal noise.

5. Negative Ion Function

Press the negative ion button to activate this function. Negative ions help to bind and neutralize airborne pollutants such as dust, pollen, and smoke for cleaner air.

Image: The Yiju A9 Air Purifier illustrating the negative ion generator function, showing ions being released to neutralize airborne pollutants like dust, pollen, and smoke.

6. Aromatherapy Function

The air purifier includes a dedicated compartment for essential oils.

1. Locate the aromatherapy box at the bottom of the unit.
2. Open the box and place a few drops of your preferred essential oil onto the provided aromatic cotton pads.
3. Close the aromatherapy box. The scent will be diffused into the air during operation.

Image: The Yiju A9 Air Purifier demonstrating its aromatherapy function, showing essential oils being added to a compartment at the bottom of the unit to diffuse fragrance while purifying air from odors, cooking smells, smoke, pet smells, and dust.

Maintenance

1. Filter Replacement

The air purifier is equipped with a filter replacement reminder. When the filter has been used for approximately 2000 hours, the negative ion button on the touchscreen will flash blue, indicating that the filter needs to be replaced.

1. Unplug the air purifier from the power outlet.
2. Turn the unit upside down and twist the base cover counter-clockwise to remove it.
3. Remove the old filter and dispose of it properly.
4. Insert a new Yiju A9 replacement filter (ASIN: B09W8NT6VV) into the unit.
5. Replace the base cover and twist clockwise to lock it.
6. Plug in the unit. The filter reminder light should reset automatically. If not, consult the troubleshooting section.

Image: The air purifier's control panel showing a blue flashing light, indicating the need to replace the filter.

2. Cleaning the Unit

Regular cleaning helps maintain the performance and appearance of your air purifier.

• Wipe the exterior of the unit with a soft, dry cloth.
• Do not use abrasive cleaners or solvents.
• The pre-filter layer of the multi-layer filter can be gently vacuumed to remove large dust particles between replacements, but the entire filter should not be washed.

Troubleshooting

Specifications

Warranty and Support

For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer. Keep your proof of purchase for warranty claims.