LA502 Smart Air Purifier
Please read the user manual before using the product, and do keep it securely for future reference.Warning: Before first-time use, you must take out all HEPA filters and remove the moisture-proof protective bag on the activated carbon barrel.
Preface
Thank you for selecting LIFAair! You are about to enjoy superior Finnish technology and innovation for quality living.Important safety information
- Only use attachments/accessories provided by the manufacturer.
- Keep the machine away from children to avoid accidents.
- Do not block any ventilation openings. Install the machine in accordance with the manufacturer’s instructions.
- Make sure the machine stands in the upright position, never operate the machine when in other orientations.
- Unplug the machine when it is not being used for a long period of time.
- Do not use this machine in rooms with large temperature differences to avoid water condensation inside.
- Protect the power cord from being walked on or pinched.
- Please switch off and unplug the machine before moving it or cleaning and/or replacing the filters.
- Do not use this machine in high temperature and/or humidity environments, such as bathrooms.
- Never open the power adapter to avoid electric shock and impact on the warranty.
- For user safety and product protection, do not sit or lean on the machine.
- Do not put objects into the movable portion, the air inlet, and/or outlet.
- Do not place the product directly under air conditioning units to prevent condensed water droplets.
- With the exception of professional maintenance personnel, please do not attempt to repair the product.
- To prevent electric shocks, be sure to follow the requirements of the method and manner of this manual for cleaning and maintaining the product. Please do not try to maintain the product in any other way.
- Please ensure that the machine is used only with the power supply unit provided with the appliance.The safety marking label of the main unit is on the bottom plate of the product.
Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over Correct disposal of this product. This marking indicates that this product should not be disposed of with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmentally safe recycling.Power warning: - Place the product near the power outlet.
- Before use, make sure that the operating voltage is the same as your local power supply. Correct operating voltage can be found on the product plate.
- For safety purposes, unplug the product during lightning storms or when unused for extended periods of time.
- Under normal conditions, the power supply may get hot. Please keep good ventilation in the area and exercise caution.
- Safety warning labels on the housing or bottom of the product or power adaptor.
Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over
Correct disposal of this product. This marking indicates that this product should not be disposed of with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmentally safe recycling.Power warning: This symbol is to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
This symbol is to warn the user not to disassemble the enclosure of the product and there is no user-replaceable part inside. Take the product to an authorized service center for repair.
This symbol indicates that the product is for indoor use only.For wireless product:1. Wireless products may generate shortwave radio frequencies and interfere with the normal use of other electronic devices or medical equipment.2. Turn off the product when it’s disallowed. Do not use the product in medical facilities, on airplanes, at gas stations, near-automatic gates, automatic fire alarm systems,s or other automated devices.3. Do not use the product in the vicinity of a pacemaker within a 20cm range. The radio waves may affect the normal operation of the pacemaker or other medical devices. WARNING!The danger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type. For products with a removable battery, the battery must be properly recycledor disposed of. For products with built-in batteries, disassembling is prohibited. Never disassemble, hit with force, squeeze batteries or dispose of batteries in fire. Do not expose batteries in conductive materials, liquid, fire, or heat. Do not let metal objects contact two battery poles. If the battery looks swollen, leaking, discolored, having an odor, or any abnormal appearance, stop using it. Do not use the battery after immersed in water. Improper use of battery may lead to explosion or leakage, causing skin burn or other injuries; in the event of battery leakage, handle it with care and immediately dispose of the battery in the manner in compliance with applicable laws and regulations in your locality.
Packing List
Air purifier main unit x1Activated carbon barrel x2HEPA filter x2Smart controller x1Power cord x1Instructions manual / Certificate x1Power adapter (for air purifier) x1Power adapter (for smart controller) x1Smart controller charging cable x1
Function Description
Function Description
- Touch control surface: To change wind speed and enter into pairing mode.
- Working status/power indicator
| Smart controller not connected |
| Greenlight slowly flashing: standby mode |
| Greenlight flashing: response touch control |
| Greenlight rapid flashing: pairing with controller |
| Greenlight remains steady: operating mode |
| The smart controller is connected |
| White light slowly flashing: standby mode |
| White light flashing: response touch control |
| Light is steady: operating mode |
- air intake
- DC power connector (connect to a power adapter)
- bottom cover
Smart Controller:
- Light sensor: brightness of the display automatically adjusts according to ambient brightness.
- On/off key: Long press: switch on/off the short press: display time, switch off / on the screen
- Air suction inlet: Where the air is suctioned into Smart controller
- PM2.5 sensor air inlet
- Power connector: dedicated charging power cable
- Serial Number: serial number of Smart controller (retain for warranty purpose)Code: Device identification code is used to unlock remote control function in LIFAair APP. Search Smart controller within LIFAair APP, click the icon of the controller and input this code to open remote control function within LIFAair APP.Note 1) This code is not case-sensitive, 2) This code is the last six digits of you device’s MAC address.
- Air exhaust outlet: Smart controller air exhaust
Note: Do not block the air infake and exhaust area, pad made by plush fabrics class will clog the exhaust area.
Initial Installation
Cover the ground with a layer of soft towel or any protective pad, flip the main unit upside down while rotating the bottom cover to unlock. (Make sure that DC power is turned off).
Remove the bottom cover.
Hold the top of HEPA filter with both hands and lift to remove.
Open the protective bag to find the side handle of activated carbon barrel, take out the carbon barrel (repeat the same action for the carbon barrel at the bottom).
Remove the protective bag on the carbon barrel.
Put back the HEPA filter into the carbon barrel.
Initial Installation
Put the carbon barrel and filter combination back into the main unit and gently shake it in place (Repeat step 6 and 7, and put the second layer of the carbon barrel and filter combination into the main unit).
Close bottom cover.
Lock the bottom cover (be sure to rotate the bottom cover to the lock position).
The installation is completed. Flip the main unit carefully back to the upright position.
Connect the power supply
Remove the protective strip on the DC power connector, take out the power cord and connect to the power adapter. Connect the adapter to the main unit & plug in the power. The main unit will be in standby mode, LED lights will flash slowly.
Use
Correct positioningIn order to optimize the best use from the air purifier, please ensure that air inlets should maintain a certain distance from the wall and other obstructions. 
Manual control wind speedThe machine is designed with 121 wind speed, the accurate speed control setting can reflect the PM2.5 level precisely.
Touch the top surface of the main unit, rotate clockwise to increase wind speed (Continuously rotate clockwise until the power light remains constant indicating maximum wind speed).
Touch the top surface of the main unit and rotate counter-clockwise to reduce wind speed (Continuously rotate counter-clockwise until the power light blinks slowly. You are entering standby mode at zero wind speed).Note: The pictures in this manual are schematics and may slightly differ from final production, therefore defer to the product.
How to Pair Smart Controller with the Main Unit
Pairing: Smart controller can be connected to the main unit via Bluetooth. This machine has been paired at the factory, therefore you can directly plug to use. If you require pairing, please follow the steps below.
- Plug in the main unit first, press and hold the on/off key on smart controller to switch on the unit. Once the light turns green on the main unit, it is switched on.
- Slide the touch surface counterclockwise so that the green light blinks slowly. With one finger press and hold the “o” position on touch surface for more than five seconds until the green light flashes rapidly. The main unit will pair with the smart controller within 30 seconds.
- Click settings on the screen, smart controller and the main unit are into self pairing process.4. After successful pairing, the main unit power/status indicator turns white, the monitor prompts ” Pairing Completed “. If pairing fails, repeat the above steps.
, smart controller and the main unit are into self pairing process.
4. After successful pairing, the main unit power/status indicator turns white, the monitor prompts ” Pairing Completed “. If pairing fails, repeat the above steps.
Smart Controller Tests
Your air purifier’s smart controller can accurately monitor carbon dioxide (CO2) concentration, formaldehyde concentration, PM2.5 concentration and automatically purifies the environment. The concentration of PM2.5 and formaldehyde is reduced to a healthy range. After pairing with the main unit, the smart controller can also monitor temperature and humidity. The smart controller will monitor air quality measured in six levels: good,moderate, unhealthy for sensitive groups,unhealthy, very unhealthy and hazardous.
Touch ” CO2″ for accurate reading of carbon dioxide. ≤1000ppm is in the good range. We recommend that you open windows for ventilation if your reading exceeds this number. It takes approximately 40 seconds to stablize the room and adjust CO2 levels.Touch ” HCHO ” for accurate reading of formaldehyde concentration. China Standard is ≤ 0.08mg/m3, United States Standard is ≤ 0.06mg/m3
The formaldehyde sensor inside the controller operates based on electrochemical principles, hence it can be affected by other non-formaldehyde gases, especially alcohol and perfume. Formaldehyde in the room releases continuously and slowly, it does not increase suddenly in a short period of time, so if the reading rapidly increases, please remain calm and note that it could be perfume or other substances. A stable reading will follow.
Touch “PM2.5” to display realtime measurements of PM2.5. It takes about 20seconds for a reading. China Standard 75μg / m3 , American standards is 35μg / m3
Touch ” TEMP ” to show temperature reading
Warning
Main unit warnings:
When main unit purifier is operated, it cannot be tilted, otherwise this screen appears on the smart controller.
Formaldehyde reading error:
Because formaldehyde sensor is not only sensitive to formaldehyde, when abnormal formaldehyde readings are detected, the screen changes to this picture.
Ventilation warning:
When you open windows, doors or leave home, the smart controller may detect abnormalities and this screen will appear. The main unit will stop working when the window is opened. After you complete ventilation, doors and windows should be closed or return home, then click the auto mode sleep mode auto mode, to restore full intelligence operation. You can also directly touch and slide the circle so that the main unit is back to work.
Smart Controller and Wi-Fi Internet Networks
Download and install the APP
Open LIFAair APP, Click the “+” on he phone screen
Make sure your phone is properly connected to WiFi network, enter the Wi-Fi password
When prompted, click CONNECT network
Click 
settings on the smart controller
lick the button “network-connected”
After successfully connecting to Internet, click the link to the monitors, input smart controller password (last six digits of MAC codes, showed below the DC interface in the rear of smart controller. It is not case-sensitive).
After a successful connection, the phone can control the main unit, and simultaneously display the current data in the smart controller.
MaintenanceFilter replacement (Make sure that the main unit stops running, un-plug the power cord and then clean or replace the filters)
Refer to “First Installation” section, find the carbon barrel handle after opening the bottom cover, respectively, take out the two barrels of carbon filters and HEPA filters, replace the filters and then put into the main unit.
When the filter detection value in smart controller is less than 5%, you need to clean or replace the filter.Clean the prefilter
To clean the prefilter, remove the two carbon barrels,clean it outdoors using a dry cleaner equipped with brush. Clean the dust on the outer surface of carbon barrel. Upon completion of cleaning, put carbon barrels back into the main unit, press the “Reset” button to confirm.
Specifications
Product Name: Smart Air PurifierProduct Type: LA502Particle Clean Air Delivery Rate (CADR particulate matter): 450m3/hParticle Cumulate Clean Mass (CCM particulate matter): P4 levelParticle Removal Efficiency: high efficient levelFormaldehyde Clean Air Delivery Rate (CADR formaldehyde): 240m3/hFormaldehyde Cumulate Clean Mass (CCM formaldehyde): F4 levelPM2.5 sensor: Laser typeCO2 sensor: Dual thermopile typeFormaldehyde Sensor: Electrochemical Smart typeTemperature / Humidity Sensor: Semiconductor + Thermal Resistance typeFormaldehyde Removal Efficiency: high efficient levelNoise：≤66dB (A)Application area: 31m2 54m2Frequency Band (Wi-Fi): 2.412GHz-2.484GHzFrequency Band (Bluetooth): 2.402GHz-2.480GHzRF Power output: ≤20 dBm (EIRP)There are no restrictions of use.
Note: for application area, it is in accordance with GB/T18801-2015 calculated based on the value of CADR for particle. Performance data above are in accordance with GB/T18801-2015 tested by the third-party laboratories by using particular soot particles or gaseous pollutants as targeted pollutants.
Troubleshooting
Purifier not working?Please check whether the power cord is connected correctly.Please check whether the purifier is at minimum wind speed.Please check whether the bottom cover is in the lock position.
Running noise?Please check whether the filter is installed.Please check whether the protective bags of the carbon barrel have been removed.
Do formaldehyde readings suddenly increase?Because the formaldehyde sensor is an electrochemical sensor, many other gases will react, such as alcohol, perfume, humidity sudden increasing can producefalse readings, which is a normal phenomenon. If the interference cannot be eliminated for a long period, please perform Zero Settings→
Settings → Sensor calibration indoors, directly press the formaldehyde sensor zeroing → confirmation.
Does formaldehyde or carbon dioxide have inaccurate readings?Please use the following process: Settings → sensor calibration, according to the standard method of zeroing in outdoors for 30 minutes, use the “Testing Mode” when turn on the smartcontroller, and then perform zeroing for formaldehyde and carbon dioxide sensor respectively.
References
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