Levoit LV450CH User manual

Questions or Concerns?
Please contact us Mon-Fri 9:00AM-5:00PM PST
at [phone] or email [e-mail]
Ultrasonic Cool Mist Humidifier
Model No.: LV450CH
Questions or Concerns?
Please contact us Monday - Friday 9:00 am - 5:00 pm PST
at [email protected] or at (888)-726-8520.

Should you have any questions or concerns regarding your
new product, please reach out us at [email protected].
We hope you enjoy your new product!
THANK YOU FOR
PURCHASING THE
LV450CH ULTRASONIC
COOL MIST HUMIDIFIER
BY LEVOIT.
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3
Specifications
Package Contents
Safety Information
Getting to Know Your Humidifier
Getting Started
Operation
ɧ General Operation
ɧ Power Button Functions
Using the Aroma Box
Preventing Water Leaks
Keeping Things Clean
ɧ General Cleaning
ɧ Cleaning the Aroma Pad
ɧ Disinfecting the Humidifier
Troubleshooting
Warranty Information
Customer Support
4
4
5
7
8
10
10
11
12
14
16
16
17
17
18
20
21
TABLE OF CONTENTS

4
Voltage:
Rated Power:
Eective Range:
Water Tank Capacity:
Moisture Capacity:
ɧ Low Mist Setting:
ɧ Medium Mist Setting:
ɧ High Mist Setting:
Operation Times:
ɧ Low Mist Setting:
ɧ Medium Mist Setting:
ɧ High Mist Setting:
AC 120V / 60Hz
30W
430.5 - 538.2 ft² (40 - 50 m²)
1.1 gallon (4.5 L)
100 mL/h
175 mL/h
250 mL/h
40 hours
25 hours
15 hours
1 x Ultrasonic Cool Mist Humidifier LV450CH
1 x Cleaning Brush
3 x Aroma Pads (1 pre-installed)
1 x User Manual
SPECIFICATIONS
PACKAGE CONTENTS

5
SAFETY INFORMATION
IMPORTANT: Please read, understand, and comply with all of the instructions provided in this
manual before using the device. Failure to comply with the instructions given in this manual
and/or using the device in ways other than the ones mentioned in this manual may result in
serious injury and/or damage to the product.
Only use this humidifier as described in
this manual.
• Ensure that the plug fits properly into a
polarized power socket.
• When not in use, turn the machine o
and disconnect from a power source by
removing the plug from the outlet.
• DO NOT attempt to open the base
or attempt to remove the water level
sensor for self-servicing. Doing so will
void your warranty and may increase
the risk of damage to the product,
electric shock, or injury.
• DO NOT handle the power cord or
plug with wet hands. Keep the plug and
power cord away from liquids.
• DO NOT use this product in wet
environments.
• Keep the humidifier out of reach from
children.
• Keep the humidifier at least 40 inches
away from the wall.
• Always make sure to place the
humidifier on a flat, level surface before
operation.
• Position the humidifier so that there is a
10-inch clearance from walls.
• Direct the nozzle so that the produced
mist is at least 40 inches from walls.
• DO NOT place the humidifier near
sources of heat, such as stove tops,
ovens, radiators, or computers.
• DO NOT place the humidifier near
any large pieces of furniture or in any
high-trac area where it can be easily
knocked over.
• DO NOT place the the humidifier
directly on floors, carpets, or rugs.
• Fill the water tank with at least two cups
of water.
• DO NOT fill the water tank through
the nozzle or mist tube. Doing so may
damage the humidifier.
• Only fill the water tank with distilled,
General Safety Use & Care

6
filtered, purified, or tap water. Never fill
the water tank with any other liquids.
• DO NOT add essential oils,
supplemental water treatment liquids,
or additional water filters into the water
tank.
• DO NOT place foreign objects into the
unit’s base or water tank. Do not use
other items as replacement parts for this
product.
• DO NOT use your hand or any other
object to cover the nozzle while the
unit is on. Doing so may damage the
product.
• If the relative humidity in your room
exceeds 68% while operating the
humidifier, it is recommended to use the
low mist setting or turn o the device.
DO NOT shake
the humidifier.
DO NOT place
humidifier on an
inclined surface.
DO NOT place
humidifier directly
against walls.
Always make sure
there is a 10-inch
clearance from walls.
IMPORTANT
• Make sure your room is well-ventilated;
this will better help humidify your room.
• Remove the water tank from the base
before moving the humidifier.
• DO NOT clean the unit while it is
connected to a power source or while
it is on.
• DO NOT immerse the humidifier base,
power cord, or plug while cleaning the
unit.
• DO NOT use cleaning detergents to
clean the humidifier; only clean the
humidifier as instructed in this manual
(page 16).
• If the unit is damaged or is not
functioning properly, discontinue
use and contact Customer Support
immediately (page 21).

7
GETTING TO KNOW YOUR HUMIDIFIER
1. Nozzle
2. Top cover
3. Handle
4. Mist tube
5. Water tank
6. Water tank window
7. Water tank cap
8. Cleaning brush
9. Cleaning brush
storage
10. Base
11. Inner chamber
12. Air vent
13. Transducer
14. Water level sensor
15. Blue night light
16. Power button
17. Aroma box
18. Aroma pad
19. Power cord
1
2
3
5
4
6
7
8
9
17
18
19
13
12
14
15
10
16
11

8
GETTING STARTED
1. Remove the top cover from the water
tank and set it aside. Carefully lift the
built-in handle to remove the water tank
from the base.
2. Flip the tank over and twist the water
tank cap counterclockwise to remove it.
[Figure 1.1]
NOTE:
• For best results, fill the water tank with distilled water.
• DO NOT fill the tank with hot water.
• DO NOT add water through the nozzle or mist tube.
3. Fill up the water tank with cold or room
temperature water; it is recommended
to use distilled water for best results
[Figure 1.2]. You can gauge how much
water is in the water tank by looking
through the water tank window
[Figure 1.3]; the maximum capacity of the
water tank is 1.1 gallons (4.5 L).
Figure 1.1 Figure 1.2 Figure 1.3

9
4. Once you have filled the tank to the
desired level, replace the cap and turn
it clockwise to secure it tightly to the
water tank. [Figure 1.4]
5. Carefully place the water tank back onto
the base, making sure the water tank
cap is aligned with its respective port
inside the inner chamber. [Figure 1.5]
Figure 1.4
Figure 1.5

10
OPERATION
NOTE:
• Remember to position the humidifier at least 10
inches away from walls, and direct the nozzle so
that the produced mist is at least 40 inches away
from walls.
• The nozzle can rotate 360° to diuse mist in any
direction. [Figure 2.2]
• If you encounter any issues while operating
the humidifier, please see the Troubleshooting
section on page 18. If you encounter any issues
that are not mentioned in the Troubleshooting
section, contact Customer Support with the
information provided on page 21.
General Operation
1. Place the humidifier on a flat, elevated
surface. (Tables and nightstands work best!)
2. Plug the unit into an electrical outlet.
3. Tap the power button once to turn on the
humidifier; it will start operating on low mist as
the default setting. Once the humidifier is on,
you can also change the mist level by tapping
the power button again (See chart on page 11).
4. When the water level is low the power button
will light up red, and the humidifier will stop
producing mist.
5. Unplug the humidifier and refill the water tank
as mentioned in the Getting Started section
(page 8).
Figure 2.1
Figure 2.2

11
NOTE:
• Low mist is the default setting when the humidifier is initially turned on.
• While the humidifier is operating, the power button light will automatically turn o after 30
seconds of inactivity. To check or change the current mist setting, simply tap the power
button again.
• The night-light will remain on if the humidifier shuts o due to low water level.
Action Button Color Function
Tap power button
once.
Blue Turns humidifer on.
Low mist setting.
Tap power button a
second time.
Yellow Medium mist setting.
Tap power button a
third time.
Purple High mist setting.
Tap power button a
fourth time.
No color Turns humidifier o.
Tap and hold the
power button for 2
seconds.
Unchanged Turns on or turns o night
light inside water tank.
None Red Low water level. Humidifier
has automatically shut o.
Power Button Functions

12
USING THE AROMA BOX
Your new humidifier can also be used as an aroma diuser to provide added
comfort in your home.
1. Turn o and unplug the humidifier from
its power source.
2. Locate the aroma box at the back of the
base. [Figure 3.1]
3. Gently push the aroma box into the
base, and it will automatically spring out.
Once the the aroma box is released,
remove it from the base.
[Figures 3.2 & 3.3]
Figure 3.1
Figure 3.2
Figure 3.3

13
4. Add 2-3 drops of essential oil on the
aroma pad. Replace the aroma box.
[Figure 3.4]
5. Fill the water tank with water and place
it back on the base as mentioned in
the Getting Started section (page 8).
[Figure 3.5]
6. Plug in and turn on the humidifier.
Figure 3.4
Figure 3.5
NOTE:
• You can also add medicated vaporizing steam liquid to the aroma pad.
• The aroma pad can be cleaned and reused after diusing essential oils (see page 17).

14
PREVENTING WATER LEAKS
When not sealed properly, the water tank on your new humidifier may leak. The following tips
will ensure that your humidifier will operate smoothly.
1. Make sure the silicone ring around the
water tank cap is secured at all times.
[Figure 4.1]
Inside of water tank cap
2. Twist the cap clockwise to secure it
tightly onto the water tank. [Figure 4.2]
3. When moving the humidifier, remove
the tank from the base and empty any
excess water inside the inner chamber
before moving the base.
[Figures 4.3 & 4.4]
Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
NOTE: There will be a small gap between the
cap and the water tank. This is normal.

15
4. Wipe o any excess water on the top and bottom of the base. [Figure 4.5]
5. DO NOT shake the humidifier or place it on an inclined surface. Always make sure to
place the humidifier on a flat, level surface. [Figure 4.6]
Figure 4.5
Figure 4.6

16
KEEPING THINGS CLEAN
General Cleaning
CAUTION: Make sure the humidifier is completely unplugged from any power
source when cleaning.
1. Unplug the humidifier.
2. Remove the top cover from the water
tank. Rinse the nozzle under clean
running water, then set it aside to air dry.
DO NOT attempt to remove the nozzle
from the cover.
3. Remove the water tank from the base
and pour out any excess water. Fill
the tank with 2 cups of distilled white
vinegar and 2 cups of water; replace the
cap and gently shake to coat all sides of
the water tank.
4. Fill the inner chamber with 1 cup of
distilled vinegar. [Figure 5.1]
5. Allow the vinegar to soak inside both
the water tank and inner chamber for 30
minutes.
6. Use the included cleaning brush to
remove any scale buildup inside the
inner chamber. [Figure 5.2]
7. Pour out the vinegar from both parts of
the humidifier and thoroughly rinse with
warm water.
8. Dry all parts with a dry, clean cloth.
Make sure all parts of the humidifier are
completely dry before reassembling and
storing in a covered space.
NOTE: The water in the inner chamber near the transducer may still be warm after turning o the unit. Use
caution when pouring out the water.
Figure 5.1 Figure 5.2
Inner chamber

17
Cleaning the Aroma Pad Disinfecting the Humidifier
1. Press the aroma box to release it from
the base, then pull it out.
2. Remove the aroma pad from the aroma
box.
3. Rinse the pad under warm running
water.
4. Dry with a clean cloth and place it back
into the aroma box.
NOTE:
• It is recommended to change the aroma pad
every 6 months.
• DO NOT pour liquid cleaners or detergents into
the aroma box.
• DO NOT use liquid cleaners or detergents to
wash the aroma pad.
1. Clean the water tank as instructed in the
General Cleaning section (page 16).
2. Fill the water tank with 1 teaspoon of
bleach along with one gallon of water.
3. Place ¼ teaspoon of bleach along with 1
cup of water into the base.
4. Allow the solutions in both parts to sit
for 30 minutes.
5. Pour out the mixtures from both the
water tank and base and rinse both
parts thoroughly under clean, running
water.
6. Allow the water tank and base to
completely air dry before reassembling
the humidifier.
NOTE:
• Always wear gloves to protect your hands
while using bleach.
• A 3-percent hydrogen peroxide solution may
also be used to disinfect the humidifier.
• DO NOT use the humidifier immediately after
disinfecting; doing so may pose a potential
health hazard.
It is recommended to disinfect the water
tank before or after storing the humidifier
for long periods of time. This method should
also be used if there is any mold buildup
inside the water tank.

18
TROUBLESHOOTING
Problem Cause Solution
No mist coming out
of nozzle.
Unit is not plugged in. Plug the humidifier into a powered
electrical outlet.
Unit is not turned on. Tap the power button to turn on the
unit.
No water in tank. Add at least two cups of clean water
into the water tank.
Water level is low.
Humidifier produces
an unusual smell.
Unit is new. Rinse the water tank and allow the
humidifier to air dry.
Residual smell from diusing
essential oil on the aroma pad.
Clean the water tank as instructed on
the Keeping Things Clean section on
page 16.
Dirty water, or water has been in tank
for a long time.
Humidifier makes
a loud or unusual
noise.
Tank is positioned incorrectly. Align the water tank cap with its
respective port inside the inner
chamber.
Water level is low. Add at least two cups of clean water
into the water tank.
Unit is not level. Place unit on a flat, level surface.
Unit is malfunctioning. Turn o and unplug the unit;
discontinue use. Contact Customer
Support (page 21).
Mist is coming out
from base.
Water tank is not positioned correctly. Turn o/unplug the unit, then align the
water tank cap with its respective port
inside the inner chamber.

19
Problem Cause Solution
White dust appears
around the humidifier
after operation.
Water being used has a high mineral
content.
Use distilled water with the humidifier.
If distilled water is not available, use
purified or filtered water. Remember to
clean your water tank at least once a
month.
Puddle of water
forms below the
base.
Mist setting is too high. Switch the humidifier to a lower mist
setting.
Room is not well-ventilated. Open a window to ensure proper
airflow for your humidifier, or move the
humidifier to a more well-ventilated
room.
Excess water that has spilled from
filling the water tank or replacing the
water tank back onto the base.
Wipe o excess water from the top and
bottom of the base before replacing the
water tank.
Humidifier base is leaking. Unplug the humidifier immediately and
discontinue use. See the Preventing
Water Leaks section on page 14 before
resuming use. If your unit continues to
leak, contact Customer Support (page 21).
Power button shines
solid red.
Water level is low. Add at least two cups of clean water
into the water tank.
No water in the tank.
Water level sensor is malfunctioning. Unit may be defective. Contact
Customer Support (page 21).
Power button does
not work.
Unit has malfunctioned. Contact Customer Support (page 21).
Power button flashes
blue briefly, then the
unit turns o.

20
WARRANTY INFORMATION
TERMS & POLICY
Levoit warrants all products to be of the highest
quality in material, craftsmanship, and service.
eective starting from the date of purchase.
Levoit will replace any product found to be
defective due to manufacturer flaws based on
eligibility; refunds are available within the first 30
days of purchase. Refunds are only available to
the original purchaser of the of the product. This
warranty extends only to personal use and does
not extend to any product that has been used
for commercial, rental, or any other use in which
the product is not intended for. There are no
warranties other than the warranties expressly set
forth with each product.
This warranty is non-transferrable. Levoit is not
responsible in any way for any damages, losses
or inconveniences caused by equipment failure or
by user negligence, abuse, or use noncompliant
with the user manual or any additional safety, use,
or warnings included in the product packaging
and manual.
This warranty does not apply to the following:
• Damage due to abuse, accident, alteration,
misuse, tampering or vandalism.
• Improper or inadequate maintenance.
• Damage in return transit.
• Unsupervised use by children under 18 years
of age.
Levoit and its subsidiaries assume no liability
for damage caused by the use of the product
other than for its intended use or as instructed
in the user manual. Some states do not allow
this exclusion or limitation of incidental or
consequential losses so the foregoing disclaimer
may not apply to you. This warranty gives you
specific legal rights and you may also have other
rights which may vary from state to state.
ALL EXPRESSED AND IMPLIED WARRANTIES,
INCLUDING THE WARRANTY OF
MERCHANTABILITY, ARE LIMITED TO THE
PERIOD OF THE LIMITED WARRANTY.
Additional 1-Year Warranty
You can extend your one-year warranty by an
additional year. Log onto www.levoit.com/warranty
and enter your order number (i.e. Amazon or
Houzz) within the first 14 days of your purchase
to register your new product for the extended
warranty.
If you are unable to provide the order number for
your product, please type a short note in the order
number field along with the date you received
your product.
Product Name Ultrasonic Cool Mist Humidifier
Model Number LV450CH
Default Warranty Period 1 Year(s)
For your own reference, we strongly recommend that you
record your order number and date of purchase.
Date of Purchase
Order Number