KQLKJ KQ-21 Air Purifiers for Home Room User Guide

June 17, 2024
KQLKJ

KQLKJ KQ-21 Air Purifiers for Home Room User Guide
KQLKJ KQ-21 Air Purifiers for Home Room - Copy

Instruction

Thank you for purchasing our product. Please read this manual before use. This product belongs to the desktop small air purifier. The unique appearance is designed to bring aesthetic experience to users. Intake air from four sides, the top air outlet structure can circulate and purify air better. The product is compact and can be placed on the desktop without affecting the daily office work. This product can remove micro-particles such as microorganisms, PM2.5, animal hair, formaldehyde, benzene, smoke, and other harmful gases, while reducing odor, effectively improve the surrounding air quality, protect your health, can be described as ‘small body, big role’.

Features

  1. The primary filter can filter floating particles such as hair, pollen, and dust in the air.
  2. The high-efficiency filter can filter fine particles such as microorganisms, viruses, and PM2.5 as small as 0.3um.
  3. With high efficiency activated carbon material filter to efficiently adsorb formaldehyde, benzene, and other toxic and harmful gases.
  4. High quality brushless DC fans, the large air volume, and low noise, with PWM function and three-speed regulation function.
  5. Built-in negative ion generator can produce a high concentration of negative ions continuously.
  6. Built-in PM2.5 sensors can sense the surrounding air quality in real-time, adjust the wind speed automatically.
  7. Built-in temperature and humidity sensors can sense the temperature and humidity in the air in real-time, and display the current environmental values in the display area so that you can keep abreast of the air index status.
  8. Fashionable appearance designed, intake air from four sides of the bottom, top air outlet, traditional air duct design, bring ultra-efficient air purification effect.
  9. This product is suitable for living room, bedroom, office, and other living purification areas.
  10. The DC24V power outlet of the whole machine has double protection systems of over-voltage protection and reverse protection.

Product instruction

Pre-use preparation

  1. Open the package, take out the machine and filter, remove the package bag. Rotate the filter in the direction” indicated and tighten the filter clip.
  2. To give full play to the performance of air purifier, the air inlet and outlet of the main engine should be kept at a certain distance from the shield. Being more than 15 centimeters is suggested.
  3. Take out the power adapter and connect the power supply and purifier socket. When the power is switched on, it will beep once and flicker the key lamp.

Operating panel and function

How to use

  1. Power button : After switching on the power supply, panel lights are all on for 1S for self-test, the buzzer sounds 1 time, and then the machine is in standby mode, and the power button is flashing red light. Press it once to start air purification system up , the machine enters the automatic mode, mode button lights up, particulate matter detection sensor, and the tempera-ture and humidity sensors begin to work, the panel displays the current environment data. The machine will automatically select the appropriate operating gear according to the air quality siqnal detected by the built-in sensors.

  2. Mode button : Press the mode button once, the machine will enter manual mode, the current is manual mode first gear, press again to manual mode 2 gears, press again to manual mode 3 gears, press again to sleep mode. on the display all other displays of is turned off, and the machine only runs at the first wind speed to cycle through.

  3. Scene mde button : Click the scene button to exit the automatic, sleep and manual modes, and the machine enters the scene mode. In the scenemode, the scene is divided into polien, pets and odor. Each time you press the button ( ), you go to the next scene. In the third scene, press once to retum to the first scene and adjust manually, and press the mode button once to exit the scene mode and enter the automatic mode.
    Air quality| Good| Normal| Bad|
    Gear/Mode display area
    ---|---|---|---|---
    Light color| Blue
    | Yellow | Red
    Wind speed| Gear 1| Gear 2| Gear 3

  4. Child lock button : Long press the child lock button for 3 seconds to activate the child lock,and long press the child lock button for 3 seconds to cancel the child lock.

  5. Timer button : Press the timer button once to set a 2-hour  timer shutdown, press it for the second time to set a 4-hour timer shutdown, press it for the third time to set an 8-hour timer shutdown, then press the timing button again, the torning function is closed, you can operate as stated above circularly.

  6. Filter replacement button : The total cumulative working time of the filter is about 800h.
    Press the filter replacement button once, the dosplay area displays cumulative working time for 5 seconds. After 5 seconds the display resumes to show the current gear. Press the button again, exit the cumulatice working time display. When the cumulative working time reaches about 800h, the machine will flash the cumulative working time in the display area every time it starts. At the same time, the machine rings three times to remind the user to change the filter. After replacing the filter, press the reset button for 6 seconds, complete the replacement after one soud of “beeping”, then accumulate the working time from 0 afrer starting the machine.

  7. Negative-ion function: There is high concentration negative ion generatpr inside. Once start up the machine, this generator will start producing negetive ions

  8. Temperature/humidity detection function: The product has built-in temerature and humidity sensors.
    After the machine starts, it senses the temperature and humidity of the surrounding environment and displays the current values in the display area.

  9. Tip: This function displays values for reference only and cannot be compared with professional equipment.

Maintenance

Be sure to unplug the adapter plug before any maintenance!

  1. Suggested filter of the filter can only be claned with a brush and dry cotton cloth, do not clean the filter with water or detergent. The material of the filter is easy to be deformed and damaged. Do not press and pull hard when clening. If there is damage, replace the new filter in time, then use it.
  2. Suggested filter replacement time: About 3 months to replace once. According to the different places and methods of use, such asheavy poluted areas, smoking of family members, the replacement cycle of the filter may be shortened. Please replace the filter in time when the filtering effect is not good.
  3. Extemal surface cleaning: Wipe the exterior surface and the air inlet and outlet with a twisted soft cloth, Do not use chemical cleaner to clean the surface.
  4. Long-term idle: Unplug the power adapter plug, clean the extemal surface and filter. Cover with plastiic bags and store in less humid places.

Specifications

Product Name. Air purifier Adapter voltage 100-240V AC
Product Size W216*1210°H320mm Manual 1 pos
Rated Voltage DC24V, 1A Certificate 1pos
Rated Power 24W Certificate H13
Net Weight ~2kg Applicable area 12-20mi

Attention

  1. Please do not use liquid to clean or splash over this product.
  2. There is high-speed fan running in the purifier, please do not put hands or a foreign body into the wind outlet.
  3. Please place the purifier where children can’t reach it. Do not give this product to children to play with.
  4. Do not close hair, fabrics, etc. to the main engine, so as not to involve or cover the air inlet and outlet.
  5. To improve the purifying effect, the doors and windows should be closed when using the product, (When using with the combustion device, please ventilate to avoid carbon monoxide poisoning.)
  6. Do not use different specifications of power adapters, please install the power adapters attached to this product.
  7. Do not use this purifier in the bathroom or other places with high temperature, humidity, and sticky water.

Problems

|

Reasons and Solutions

---|---

Smelly

|

  • The filter is too dirty and has not been replaced for a long time – Replace the filter.
  • Filtration nets feed water or have used machines in humid environments Replace the filter. –
  • Reuse after a period of storage – Clean the filter, replace it if not solved.
  • If there is burning paste – Stop using immediately, disconnect the power supply, contact maintenance.

There is no air at the outlet

| The motor is not running – check whether the power supply is working normally, replace the power adapter or contact maintenance.
Feeling ineffective|

  • Invalid filter – replace the filter.
  • Use in inappropriate places (overlarge area)

Replacement of the filters

Filter replacement reminder
Whem the accumulated working time reaches about 800h, the machine will flash the accumulated working time in the display area every time it is started. At the same time, the machine will beep therr times to remind the user to replace the filter.

Take out and install the filter

  1. Turn it off first, then unplug it;
  2. Put the machine upside down, one hand to hold tight the machine body, the other hand press down the cover while turning left to open the base cover;
  3. Remove the filter;
  4. Remove the protectice film of the new filter, and then install the new filter;
  5. One hand to hold tight the machine body, the other hand press down the cover while turning right to insrall the filter teplacement;
  6. After replacing the filter, turn on the power, press the button for 6 seconds, and the replacement is completed after a”beep”sound, then it will start accumulating working time from 0 again after starting the machine.

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