LG Air Health Product User Manual for PH-U459WN.AWHPLGT English Product Specifications
Summary
Discover superior indoor air quality using this comprehensive guide for your LG Air Purifier. This multi-functional unit features advanced HEPA filtration, powerful allergy removal, and a natural humidifier system to maintain healthy humidity levels. The manual thoroughly covers everything you need: safe setup guidelines, detailed operation modes (Automatic/Sleep), proper care and cleaning procedures for filters, troubleshooting common issues, and critical safety precautions, ensuring optimal performance and peace of mind for new users.
Page 1 Text Content
OWNER’S MANUAL AIR PURIFIER Read before using product (safety instruction), use properly. About ensuring users safety and property. Product warranty card is enclosed with the user manual. After careful read through the user manual, do keep it in a handy place.
PH-U459 Series
www.lg.com
Page Summary Contents For LG Air Health Product User Manual for PH-U459WN.AWHPLGT English Product Specifications
Page 1
OWNER’S MANUAL AIR PURIFIER Read before using product (safety instruction), use properly. About ensuring users safety and property. Product warranty card is enclosed with the user manual. After carefu...
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The advantages are Congratulations on your purchase and welcome to the LG Family. By following the use and care instructions in this manual, your air purifier will provide you with many years of relia...
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etting Started ow to use Care and Cleaning Content Getting Started Care and Cleaning The advantages are ..................................................2 Tray, humidifier filter........................
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Safety Precautions The precautions related with the safety shown below are to prevent unexpected hazard and damage through safe and accurate operation of the product. Warning / Caution This symbol wil...
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etting Started Safety Precautions Warning Do not arbitrarily When using the multi-outlet, When the outlet is When gas is leaked, perform Do not use the product at the change or extend the do not use s...
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Safety Precautions Warning Insert securely the power Do not touch the power Do not remove the plug by Do not place rug etc. on Do not touch the product and plug up to the end of its plug with wet hand...
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etting Started Safety Precautions Warning Do not sprinkle Do not move the product Do not allow water to be Do not put coffee, flower If abnormal noise, odor or smoke insecticide or spray to while it i...
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Safety Precautions Warning Do not fill water directly Do not use the damaged water If there is water in the water tank When cleaning or when Do not let children climb on to the tray. tank as is. and t...
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etting Started Safety Precautions Caution Do not use the product Do not use the product to Do not use the product near Do not let the child open Do not move the product by as ventilation fan or hood r...
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Safety Precautions Caution Be sure to insert all the Do not damage, process, If the power cord is Do not use the product Do not insert any filters before the use and excessively bend, twist, damaged, ...
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etting Started Safety Precautions Caution Do not use the product Do not drink the water Exchange the water in the Do not use the product Do not use the product in unstable near the wall, furniture or ...
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Cautions for Safety Caution Use clean tap water at Do not use the humidifier Do not use hot water Do not apply any impact Do not carry the product temperature of 40˚C or filter for other usage. above ...
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etting Started Installation Places to Install Mainframe • Places with handy power connections • Places with no obstacle to clog air inlet More than 10 cm • Places with horizontal surface and rich air ...
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Air Purifier Start Guide Turn off air purifier when cleaning. • Cleaning the air purifier with opened windows would disturb the natural air circulation to cause intake too much particles, it may short...
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etting Started Name of Each Part Mainframe Air outlet Cover Hand grip Filter case (Pre-filter + Allergy filter + Deodorization filter + HEPA filter) Dust sensing Odor sensing section section Front pan...
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Name of Each Part Humidifier function Humidifier filter Humidifier filter cover Humidifier filter case Tray cover Water tank Tank lever Float Tank cover Cleaning brush Tray Packing Tray lid Air Purifi...
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etting Started Name of Each Part Display and Control Panel Off timer indicator This can be selected from 1 to 9 hours by pressing off Humidifier timer button. If the front panel is open, “DR” is displ...
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Name of each section Front LED lighting The operation and cleanness indicator lamp can be turned on/off through the power save function. * Power save function operates when the user presses the operat...
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etting Started Name of each section Filter case Filter system (Only the filter section is described.) Filter name Function 1⃞ Pre-filter Remove big particles This filter has anti-bacteria, big particl...
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Name of each section Humidifier filter system Filter name Function Cleaning and replacement cycle The indoor air evaporates the water and removes the alien Cleaning cycle: More than 1 time weekly Humi...
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ow to use Operation Air Purifying Operation Purify Indoor Air. 1⃞ Press On/Off Button. A confirmation tone will sound to indicate that the unit is powering on. The unit will also produce a tone when t...
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Operation Manual Mode User may manually adjust fan speed. 1⃞ Press the On/Off button. 2⃞ Select Manual Mode by pressing the Operation Mode Button. 3⃞ Select the desired fan speed by pressing the Fan S...
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ow to use Operation Sandstorm Mode Purify indoor air effectively when the sandstorm occurs. Press the On/Off button. Select Sand Mode by pressing the Operation Mode Button. • During the Sand Mode, if ...
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Additional function Off Timer function Automatically shut down after several hours. Example) shut down automatically after 3 hours Press the On/Off button.1⃞ 2⃞ Press Off Timer Button to set 3 hours. ...
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ow to use Additional function NPI Sterilization function Purify indoor air effectively when the sandstorm occurs. During the NPI stefilization operation, many kind of bacteria in the room will be elim...
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Additional Function Filter Checking Function May remind users to clean or replace the filter after use for a certain period. 1⃞ During the operation, if the filter checking indicator light is on, open...
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ow to use Additional Function Power save setting This function sets the operation and cleanness indicator lamp off. 1⃞ When the user presses the operation mode and fan speed button simultaneously whil...
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Humidifier function This maintains the optimal level of humidity when the indoor air is dry. Check the assembly condition of humidifier filter Pull out the water tank.1⃞ 2⃞ Pull out the tray. * Carefu...
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ow to use Humidifier function Supplying water to water tank Open the cap of the water tank and fill tap water to the water tank. 1⃞ • Do not use anything other than tap water. It is difficult for bact...
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Humidifier function Humidifier operation Press the ON/OFF button.1⃞ 2⃞ Press the HUMIDIFYING button. * The user cannot set to the specific level of humidity the user wants. When the humidifier operate...
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Care and Cleaning Cleaning Tray, humidifier filter Pull out the water tank. 1⃞ 1⃞ 2⃞ Pull out the tray. * Carefully lift the tray up to pull it out without spilling the water. Separate the humidifier ...
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Exterior and dust sensor cleaning method Exterior and dust sensor cleaning method Wipe the exterior of the unit with a soft cloth using warm water and a mild detergent. • Do not use harsh cleaners or ...
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Care and Cleaning Exterior and dust sensor cleaning method Air outlet cleaning method 1⃞ Separate the air outlet cover by grabbing its protruded section and lifting it up. 2⃞ Clean the safety grille w...
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Filter cleaning and exchange 1⃞ In case of under operation, be sure to OFF the power supply. Open the front panel by pulling it forward. Remove the filter case by pulling it up.2⃞ Panel 3⃞ Separate th...
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Care and Cleaning Filter cleaning and exchange Cleaning method of various filters Type of filter Classification Washing cycle Cleaning method Clean the Pre-filter with a vacuum cleaner or a soft brush...
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Filter cleaning and exchange Cleaning method of tray and humidifier filter Classification Replacement cycle Cleaning cycle Cleaning method • When filling the water tank, fill up to 1/3 and rinse it 4-...
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Care and Cleaning Storage 1⃞ Operate the air cleaner for more than 1 hour on a clear day and then press the On/Off button to stop the operation. Unplug the power plug. 2⃞ Power plug 3⃞ Clean and prote...
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Troubleshooting before calling for service If abnormality is occurred, confirm the following items in advance before requesting to the customer care center. serudecor Pnoitamrifno Cmotpmy S Air Purifi...
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Care and Cleaning Troubleshooting before calling for service Problem Possible cause Solutions The rate of water Is the humidifier filter correctly inserted in the tray? Assemble the humidifier filter ...
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Troubleshooting before calling for service snoitulo Sesuac elbisso Pmelbor P Air outlet has an Are you using the product where there is The air cleaning function can deteriorate in locations where abn...
Manual Details
| Brand | Air Health |
|---|---|
| Pages | 43 |
| File Size | 11.55 MB |
| Published | May 13, 2026 |
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Frequently Asked Questions
What hazards should I be aware of when operating the air purifier?
Do not use it where gas is leaked, near moisture sources, or if any electrical connection is unstable. Never operate it with wet hands.
How often and how do I clean the washable HEPA filters?
You can wash them repeatedly, but remember to dry the filters completely before using them again to prevent an odor.
Why might my dust sensor always show a high reading?
This could be caused by particles generated while cooking or boiling, and you should clean the dust sensor or filter in this case.
What are the physical dimensions of the PH-U459 Air Purifier?
The size is 425mm (Width) x 635mm (Height) x 305mm (Depth).