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    Home » Levoit Vital 100S Smart True HEPA Air Purifier User Manual
    Levoit

    Levoit Vital 100S Smart True HEPA Air Purifier User Manual

    Gabriel SmithBy Gabriel SmithSeptember 16, 2025No Comments17 Mins Read
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    levoit logo

    Levoit Vital 100S Smart True HEPA Air Purifier

    Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-product

    Package Contents

    • 1 x Smart Air Purifier
    • 1 x Washable Pre-Filter (Pre-Installed)
    • 1 x True HEPA / Activated Carbon Filter (Pre-Installed)
    • 1 x User Manual
    • 1 x Quick Start Guide
    • 1 x AC Power Adapter

    GETTING TO KNOW

    • Check Filter Indicator
    • Fan Speed Indicators
    • Auto Mode Button
    • On/Off Button
    • Wi-Fi® Indicator
    • Display Lock Indicator
    • Timer Indicators
    • Light Sensor
    • Sleep Mode Button
    • Fan Speed Button
    • Air Quality Indicator
    • Display Lock Button
    • Timer Button
    • Display Off Button
    • Front Cover
    • Washable Pre-Filter
    • True HEPA / Activated Carbon Filter
    • AirSight™ Infrared Dust Sensor
    • Dust Sensor Cover
    • Power Adapter Input
    • Power Adapter

    Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-1

    CONTROLS & DISPLAY

    Note: You can also use the VeSync app to control these functions, as well as additional app-only features (see page 13).

    Auto Mode Button

    • Turns Auto Mode on (see page 10).

    Sleep Mode Button

    • Turns Sleep Mode on (see page 10).
    • Press and hold for 3 seconds to reset the Check

    Filter Indicator.

    Check Filter Indicator

    • Lights up red when the filter should be checked (see Check Filter Indicator, page
    • To reset the Check Filter Indicator, press and hold for 3 seconds. The Check Filter Indicator will flash 3 times and turn off.

    Fan Speed Button & Indicators

    • Cycles through fan speeds: low (1 indicator will light up), medium (2 indicators), high (3 indicators), and turbo (4 indicators).
    • Tapping while the air purifier is in Auto Mode, Sleep Mode, or Pet Mode (when the display is lit up) will exit that mode.

    Air Quality Indicator

    • These indicator rings use an automatic infrared dust sensor to display the air quality: Blue (Very Good), Green (Good), Orange (Moderate), Red (Bad).

    On/Off Button

    • Turns the air purifier on/off. Press and hold for 3 seconds to connect the air purifier to the VeSync app. See the in-app instructions for more information (see page 9).
    • Press and hold for 3 seconds to reset the air purifier and disconnect from Wi-Fi® (see page 9).
    Wi-Fi Indicator

    • Blinks when connecting to the VeSync app, lights up when connected to VeSync, and is off when disconnected from VeSync. See the VeSync in-app instructions for more information (see page 9).

    Timer Button & Indicators

    • Cycles through timer options: 2 hours, 4 hours, and 8 hours (see page 11).

    Note: The timer indicators will light up with the corresponding timer selected.

    • Lights up when the timer function is used through the VeSync app.

    Display Lock Button & Indicator

    • Prevents current settings from being changed (see page 12). Press and hold for 3 seconds to lock and unlock the display.

    Note: Display Lock can also be controlled through the VeSync app.

    • The Display Lock Indicator will light up when the display is locked and blink when any other button is tapped to indicate the display is locked.
    Display Off Button 
    • Turns the display off (see page 11).
    • Tap any button to turn the display back on.

    Light Sensor

    • The Light Sensor detects the amount of light in the room to automatically adjust the air purifier settings (see Light Detection, page 11).
    • Light Detection can be turned on/off in the VeSync app (see page 11).

    GETTING STARTED

    1. Place the air purifier on a flat, stable surface such as the floor.
    2. Pull both sides of the front cover to remove it. 
      Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-2
    3. Push the pre-filter’s tabs inward and pull to remove the pre-filter from the air purifier. [Figure 1.2]

    Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-3

    1. Remove the True HEPA / Activated Carbon Filter from inside the air purifier.
    2. Remove the plastic packaging from the filter and place the filter and the pre-filter back into the air purifier.
    3. Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-4Place the front cover on the air purifier. Ensure the tabs on the cover align with the slots on the bottom of the air purifier. Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-5
    4. Insert the power adapter plug into the back of the air purifier. Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-6
    5. When using the air purifier, allow at least 15 inches / 38 cm of clearance from the front of the air purifier. Keep away from anything that would block air flow, such as curtains. Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-7

    VeSync App Setup

    Note: The VeSync app is continually being improved and may change over time. If there are any differences, follow the in-app instructions.

    1. To download the VeSync app, scan the QR code or search “VeSync” in the Apple App Store® or Google Play Store.Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-8

    Note: For Android users, choose “Allow” to use VeSync.

    1. Open the VeSync app. Log In or Sign Up.

    Note: You must create your own VeSync account to use third-party services and products. These will not work with a guest account. With a VeSync account, you can also allow your family and friends to control your smart air purifier.

    1. Follow the in-app instructions to set up your smart air purifier.

    Wi-Fi Connection

    • To disconnect Wi-Fi, press and hold  for 15 seconds until the Wi-Fi indicator turns off. This will restore the smart air purifier’s default settings and disconnect it from the VeSync app.
    • To reconnect, please follow the instructions in the VeSync app for adding a device.

    Connect with Amazon Alexa or Google Assistant

    You can use the VeSync app to connect your smart air purifier to Amazon Alexa or Google Assistant. Please follow the in-app instructions to set up your voice assistant.

    Note: You must create your own VeSync account to access voice assistants.

    Use

    Note: Using the VeSync app allows you to control your air purifier remotely and access additional functions and features (see page 13).

    1. Plug in and tap to turn on the air purifier. The fan will start on low.
    2. Tap to change fan speed between low, medium, high, and turbo.

    Note:

    • The fan speed indicators are not buttons and only display the fan speed setting.
    • The fan speed indicators will light up when active; 1 indicator will light up for low, 2 for medium, 3 for high, and 4 for turbo.
    • Turbo fan speed (4 indicator lights) is the loudest, but cleans the air the quickest.
    • For best results, or to address a specific air quality issue such as smoke, run the air purifier on turbo for 15–20 minutes before using a lower speed.
    • To effectively clean the air, keep windows and doors closed while the air purifier is on.
    Sleep Mode

    Sleep Mode operates quietly by using a fan speed lower than low speed.

    1. Tap to turn Sleep Mode on.
    2. Sleep Mode will turn off the display after 6 seconds if no other buttons are tapped.
    3. To switch from Sleep Mode, tap Auto Mode or select a fan speed on the air purifier’s display or in the VeSync app.

    Note:

    • When the display is turned off, tap any button to turn the display back on. If you don’t tap another button, the display will turn off again after 6 seconds.
    •  will still turn on and stay on if it’s time to check your filter
    Auto Mode

    Auto Mode uses AirSight™, an infrared dust sensor inside the air purifier, to adjust the fan speed automatically based on air quality. For example, if the air quality is bad, the fan will automatically be set to high speed.

    1. Tap to turn Auto Mode on.
    2. It will light up while Auto Mode is on.
    3. To switch from Auto Mode, tap Sleep Mode or select a fan speed on the air purifier’s display or in the VeSync app.
    Air Quality Indicator Chart
    Indicator Color Air Quality Auto Mode Fan Speed
    Blue Very Good Sleep Mode
    Green Good Low
    Orange Moderate Medium
    Red Bad High

    Light Detection

    You can turn on/off Light Detection in the VeSync app. When this mode is turned on, the light sensor will automatically adjust air purifier settings based on the amount of light in the room.

    • The display will automatically turn off when the room gets dark. If the air purifier is in Auto Mode or Pet Mode, it will not use the high or turbo fan speeds, even if the air quality is poor, to avoid making too much noise.
    • When the room becomes light again, the air purifier will return to its previous settings. The display will automatically turn back on, and Auto Mode will no longer be limited.
    Timer

    You can manually set the timer for 2, 4, or 8 hours using the button. You can also set the timer for 1–24 hours through the VeSync app.

    1. Tap repeatedly to select a time. The timer will start automatically.
    Display Off

    This turns off the display lights on the air purifier, including button lights and indicator lights (except the Check Filter Indicator).

    1. Tap to turn off the display.
    2. Tap any button to temporarily turn the display back on. If you don’t tap another button, the display will turn back off after 6 seconds.
    3. Tap to turn the display back on. The display will stay on.

    Note: The Check Filter Indicator will still turn on and stay on if it’s time to check your filter (see page 17).

    Display Lock

    When the air purifier is on, you can lock the display to prevent settings from being accidentally changed. Buttons will not respond to being tapped.

    1. Press and hold for 3 seconds to lock the display. The Display Lock Indicator will light up above the      Note: If the display is turned off, the Display Lock Indicator will flash 3 times to show that the display has been locked, then turn off.
    1. The Display Lock Indicator will blink when any other button is tapped to indicate that Display Lock is on.
    2. Press and hold again for 3 seconds to unlock the display. The Display Lock Indicator will turn off.
    Stand by Mode

    The air purifier is in Standby Mode when it is turned off, but plugged in.

    Note:

    • In Standby Mode, the infrared dust sensor will still detect the surrounding air quality and give you updates in the VeSync app.
    • Display Lock (available in the VeSync app) can be used while the air purifier is in Standby Mode to keep the air purifier from being turned back on.
    Memory Function

    When the air purifier is in standby or turned off and unplugged, it will remember its previous fan speed, Sleep Mode, Auto Mode, Pet Mode, and in-app Display and Light Detection settings.

    Note: The air purifier will not remember timers

    VeSync App Functions

    The VeSync app allows you to access additional smart air purifier functions, including those listed below. As the app develops, more features may become available.

    Remote Control
    • Change any air purifier settings through the app, even while Display Lock is on.

    Air Quality Updates

    • View real-time air quality updates in the app.
    • See your air quality history for the previous 4 weeks.

    ABOUT THE FILTER

    The air purifier uses a 3-stage filtration system to purify the air.

    Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-9

     Washable Pre-Filter

    • Captures large particles such as dust, lint, fibers, hair, and pet fur.
    • Maximizes the filter’s life by protecting it.
    • Removable and washable to increase filtering efficiency (see Cleaning the Pre-Filter, page 18).

    H13 True HEPA Filter

    • HEPASmart™ Technology uses statically charged fibers to capture viruses and bacteria with greater efficiency.
    • Traps at least 99.97% of airborne particles 0.3 microns in size.
    • Filters small particles such as fine dust, smoke particles, and allergens such as pollen and pet dander.
    Humidity

    Moisture may damage the filter. This air purifier should be used in an area with a humidity level of 85% RH or below. If you use the air purifier in excessively humid areas, the surface of the filter may become moldy. Note: Water or moisture will allow mold to grow. To solve a mold problem, get rid of the source of the moisture and clean up the mold.

    Essential Oils

    Do not add essential oils to the air purifier or filter. The filter will become damaged by the oil and will eventually release an unpleasant smell. Do not use diffusers near the air purifier.

    CARE & MAINTENANCE

    Cleaning the Smart Air Purifier

    • Unplug before cleaning.
    • Wipe the outside of the air purifier with a soft, dry cloth. If necessary, wipe the housing with a damp cloth, then immediately dry.
    • Vacuum the inside of the air purifier.
    • Do not clean with abrasive chemicals or flammable cleaning agents.
    Check Filter Indicator

    will light up as a reminder to check the filter. Depending on how often you use the air purifier, the indicator should turn on after about 9 months. You may not need to change your filter yet, but you should check it when it lights up.

    When your air purifier is set up with the VeSync app, you can also check the app to see the remaining filter life. You will also receive a notification from VeSync when it’s time to check your filter.

    Note: The VeSync app uses a scientific algorithm to determine your filter life based on air quality, amount of use, and other factors. The filter life percentage is based on 12 hours of daily use.

    Resetting the Check Filter Indicator

    Reset the Check Filter Indicator when

    Lights up. This is the Check Filter Indicator light.

      • Replace the filter (see page 19).
      • Turn on the air purifier.
      • To reset the Check Filter Indicator, press and hold for 3 seconds.
      • The Check Filter Indicator light will flash and turn off when successfully reset. The filter life will show as 100% in the VeSync app.

    The filter was changed before lighting it up.

      • After replacing the filter, turn on the air purifier.
      • To reset the Check Filter Indicator, press and hold for 3 seconds.
      • The Check Filter Indicator will flash and turn off when successfully reset. The filter life will show as 100% in the VeSync app.

    Cleaning the Pre-Filter

    The Washable Pre-Filter should be cleaned every 2–4 weeks to increase efficiency and extend the life of your filter. You can set a reminder in the VeSync app to clean the pre-filter every 2, 3, or 4 weeks. Clean the pre-filter using a soft brush or vacuum hose to remove hair, dust, and large particles. Optionally, you can wash the pre-filter with water and a mild detergent to remove dirt and dust.

    Note: Avoid scrubbing, scraping, or vigorously brushing the pre-filter. Do not use abrasive cleaning materials.

    To wash the pre-filter

    1. Turn off the air purifier.
    2. Open the front cover
    3. Push the pre-filter’s tabs inward and pull to remove the pre-filter.
    4. Clean the surface of the pre-filter with a vacuum. [Figure 2.1]
    5. Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-10Rinse the pre-filter with water under a faucet.
    6.  Wash the pre-filter with mild detergent and a soft cloth. [Figure 2.2]Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-11
    7. Allow the pre-filter to air-dry. Once completely dry, place the pre-filter back into the air purifier. [Figure2.3]Levoit-Vital-100S-Smart-True-HEPA-Air-Purifier-figure-12
    Filter When to Clean How to Clean When to Replace
    Washable

    Pre-Filter

    Every 2–4 weeks Use a soft cloth or  vacuum hose Does not need to be replaced
    Wash with water and mild detergent
    True HEPA /

    Activated

    Carbon Filter

    Do not clean 9–12 months

    TROUBLESHOOTING

    Problem Possible Solution
    The air purifier will not turn on or respond to button controls. Plug in the air purifier.
    Check to see if the power cord is damaged. If it is, stop using the air purifier and contact Customer Support (see page 26).
    Plug the air purifier into a different outlet.
    The air purifier may be malfunctioning. Contact Customer Support (see page 26).
    Airflow is significantly reduced. Make sure the filter is removed from its packaging and properly in place (see page 7).
    Tap to increase the fan speed.
    Leave 15 inches / 38 cm of clearance from the front of the air purifier.
    Clean the pre-filter (see page 18).
    Replace the filter (see page 19).
    The air purifier makes an unusual noise while the fan is on. Make sure the filter is properly in place with plastic packaging removed (see page 7).
    Make sure the air purifier is operating on a hard, flat, level surface.
    Replace the filter (see page 19).
    The air purifier may be damaged, or a foreign object may be inside. Stop using the air purifier and contact Customer Support (see page 26). Do not try to repair the air purifier.
    Poor air purification quality.  Tap to increase the fan speed.
    Make sure no objects are blocking the front, sides, or top of the air purifier (the inlet or outlet).
    Make sure the filter is removed from its packaging and properly in place (see page 7).
    Close doors and windows while using the air purifier.
    If the room is larger than 219 ft² / 20 m², air purification will take longer.
    Replace the filter (see page 19).
    VESYNC APP TROUBLESHOOTING

    My smart air purifier isn’t connecting to the VeSync app.

    • Make sure your phone has Bluetooth® turned on and is not currently connected to another Bluetooth device.
    • During the setup process, you must be on a secure 2.4GHz Wi-Fi® network. Confirm that the network is working correctly.
    • Make sure the Wi-Fi password you entered is correct.
      • There should be no spaces at the beginning or end of the password.
      • Test the password by connecting a different electronic device to the router.
      • If you’re manually typing in the SSID and password, double-check that both are entered correctly.

    FCC STATEMENT

    This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

    1. This device may not cause harmful interference, and
    2. This device must accept any interference received, including interference that may cause undesired operation.

    This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used according to instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

    • Reorient or relocate the receiving antenna.
    • Increase the separation between the equipment and receiver.
    • Consult the dealer or an experienced radio/TV technician for help.

    FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.

    FCC RADIATION EXPOSURE STATEMENT

    This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating instructions to satisfy RF exposure compliance. To maintain compliance with FCC RF exposure compliance requirements, please follow the operation instructions as documented in this manual. The firmware setting is not accessible by the end user.

    FCC SDOC SUPPLIER’S DECLARATION OF CONFORMITY

    Arovast Corporation hereby declares that this equipment is in compliance with the FCC requirements.

    WARRANTY INFORMATION

    Product Name Vital 100S Smart True HEPA Air Purifier
    Model LAP-V102S-WUS
    Date of Purchase
    Order ID
    Terms & Policy

    Arovast Corporation (“Arovast”) warrants this product to the original purchaser to be free from defects in material and workmanship, under normal use and conditions, for 2 years from the date of original purchase.

    Arovast agrees, at our option during the warranty period, to repair any defect in material or workmanship or furnish an equal product in exchange without charge, subject to verification of the defect or malfunction and proof of the date of purchase.

    There is no other express warranty. This warranty does not apply:

    • To damages or defects caused by accident, abuse, misuse, or improper or inadequate maintenance;
    • To damages or defects caused by service or repair of the product performed by an unauthorized service provider or by anyone other than Arovast;
    • To damages or defects exceeding the cost of the product.

    CUSTOMER SUPPORT

    If you have any questions or concerns about your new product, please contact our helpful Customer Support Team.

    Distributed by Arovast Corporation 1202 N. Miller St., Suite A Anaheim, CA 92806

    • Email: support@levoit.com
    • Toll-Free: (888) 726-8520
    • Support Hours

    Mon–Fri, 9:00 am–5:00 pm PST/PDT Please have your order invoice and order ID ready before contacting Customer Support.

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    Gabriel Smith

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