LEVOIT LUH-A251-WUS Operating instructions

Brand: LEVOIT

Model: LUH-A251-WUS

Category: Humidifiers

Type: Operating instructions

LEVOIT LUH-A251-WUS is an ultrasonic cool mist humidifier with a 2.5L water tank capacity, suitable for rooms up to 219 square feet. It operates quietly at less than 28dB and has a runtime of up to 25 hours. The humidifier features a polarized plug for enhanced safety, a refill indicator light, and an adjustable mist control knob. It comes with a pre-installed water filter sponge, a cleaning brush, and a user manual. It effectively adds moisture to the air, alleviating dryness and improving indoor air quality.

MAX

Levoit Classic 160 Ultrasonic Cool Mist Humidier

Questions or Concerns?

Please contact us MonFri, 9:00 am5:00 pm PST/PDT

at [email protected] or at 1-888-726-8520.

USER MANUAL

1000

SAFETY INFORMATION

• Only

described in this manual.

• 

that it will not be knocked over.

Do not place near large pieces of



• 



removing the plug from the outlet.

• Do not

environments.

• 

from children.

• Do not open the base or remove

the water level sensor for self-

servicing.

• Always

the power outlet before cleaning





• Always make sure to place the



before operation.

• Only

water. Never



• Do not

sources of heat, such as stovetops,

ovens, or radiators.

• Do not



• Do not use other items as

replacement parts for this product.

• Do not cover the nozzle while





To reduce the risk of re, electric shock, or other injury, follow all instructions

and safety guidelines.

General Safety • Remove the water tank from the



• Do not

base, power cord, or plug in water.





it and contact Customer Support



• 





or mental capabilities, or lack of

experience and knowledge, unless



or instruction concerning use of the





• 



• Children should not clean or

perform maintenance on the



• Children should be supervised to





• Not for commercial use.

Household use only.

READ AND SAVE THESE

INSTRUCTIONS Power & Cord

Electromagnetic Fields (EMF)

Caution: Risk of Leaks and

Electric Shock

• 

a polarized socket.

• Do not handle the power cord or

plug with wet hands. Keep the plug



• 







reduce the risk of electric shock. If



do not

use the plug in that outlet. Do not



• 





persons in order to avoid an electric



Customer Support







the instructions in this user manual,

the appliance is safe to use based on



• Do not add supplemental water



or base chamber. This will damage



SAFETY INFORMATION (CONT.)

1 × 

1 × Pre-Installed Water Filter Sponge

1 × Cleaning Brush

1 × User Manual

Specifications

Package Contents

Model 

Power Supply 

Rated Power 

Water Tank

Capacity 

Max Runtime



minimum mist setting

Note: The humidier may

run for a longer or shorter

time depending on the

environmental temperature

and humidity.

Noise Level ＜

Eective

Range 

Dimensions 



Weight 

GETTING TO KNOW YOUR HUMIDIFIER

A. Nozzle

B. Water Tank Cover

C. Water Filter Housing

D. Water Filter

E. Mist Tube

F. Water Tank

G. Float

H. 

I. Control Knob

J. Base

K. Cleaning Brush

L. Power Cord

M. 

N. 

O. Noise Silencer

P. 

Q. 

R. Float Brackets

S. Transducer

T. 

U. Feet

V. 

CONTROLS

Control Knob

• Rotate clockwise to turn on the



• 



Rell Indicator Light

• The red light turns on when the water





• The red light turns o when the water

tank is lled.

Note:

There is a clicking sound when

the humidier turns on/o.

1 2 3

Water tank, upside down

The water

lter

assembly

CUSTOMER SUPPORT





Customer Support Team.

Arovast Corporation





Email: [email protected]

Toll-Free: 

MonFri, 9:00 am5:00 pm PST/PDT

Support Hours





GETTING STARTED

1. Remove all packaging.

2. 

remove all tape. [Figure 1.1]

3. 

Cleaning

Figure 1.3

Figure 1.1

Figure 1.4

Figure 1.5

Figure 1.2

Note:

• Check to make sure that the water lter

is correctly in place. If not, then rotate

the lter clockwise to secure it in place.

[Figure 1.2]

4. 



walls. The surface must be water-resistant.

[Figure 1.4]

5. 

furniture, bedding, and appliances. [Figure 1.5]

• Check to make sure that the oat is

securely in place. [Figure 1.3]

12 in /

30 cm

12 in /

30 cm

Filling & Refilling

1. 

2. 

nozzle and pulling upward. [Figure 1.6]

3. Fill the tank with room-temperature water.

[Figure 1.7]

Figure 1.6 Figure 1.7

4. Replace the water

tank cover.

Note:

• We recommend using puried or distilled water

to ll the tank.

• Do not ll past the tank’s max water line.

• Do not ll with hot water.

Figure 1.8 Figure 1.9

• Never add essential oils into the water

tank or base chamber.

• Do not

chamber. [Figure 1.8]

• Do not add water through the mist tube.

[Figure 1.9]

CAUTION

Note: Make sure the water tank is clean before lling.

Figure 1.10

Note:

Make sure the

nozzle on the water tank

cover is placed over

the mist tube, or the

humidier may not work

correctly. [Figure 1.10]

1.000

1000

5 6

USING YOUR HUMIDIFIER

1. 



[Figure 2.1]

2. 

mist. [Figure 2.2]

3. 





4. Rotate the Control Knob counterclockwise to



Figure 2.1 Figure 2.2

Note: If there is no water in the tank or the

tank is removed, the humidier will stop

misting and the Rell Indicator Light will turn

on. Rell the tank and properly place it on the

base to use your humidier.

Note: Do not immerse the air outlet or air

inlet in water.

Figure 2.3 Figure 2.4

Figure 2.5

Important Tips





there is too much water in the base chamber,



• Never

chamber. [Figure 2.3]

• Only add water to the water tank. The



amount of water into the base chamber.

• 

[Figure 2.4]

release too much water into the base chamber.

• 

it, and remove the water tank.

• 



there is too much water in the base chamber.

Pour out extra water if water is over the max

line. [Figure 2.5]

Note: The max water line is only for this purpose.

Do not pour water into the base chamber.

Figure 3.1

Figure 3.2 Figure 3.3

CARE & MAINTENANCE

Note:

• All maintenance should be done on a water-

resistant surface, such as a kitchen counter.

• Change the water daily to avoid bacteria growth.

• Use a tissue or cloth to clean the nozzle regularly.

• If not using the humidier for 3 days or longer,

do not leave water inside. Clean and dry the

humidier instead.

Note: When pouring out water, hold down the

Note:

• The water tank, cover, water lter

and housing, mist tube, and oat are

dishwasher safe. Make sure the water

temperature is below 158°F / 70°C

• Do not wash the base in the dishwasher,

as the electronics will be damaged.

• Never immerse the base in water or liquid.

• Do not immerse the air outlet or air inlet in

water.

Cleaning





For detailed dishwasher cleaning instructions,

contact Customer Support

3. Remove the water tank from the base and



chamber. [Figure 3.1]

1. 

2. Remove the water tank cover.

Cleaning (cont.)

000

4. 



[Figure 3.2]

5. 







be removed.

6. 



[Figure 3.3]

a. 

dishwasher. Do not wash the base in the

dishwasher.

7. Rinse the base chamber with room temperature

water.

1. 

it counterclockwise and lifting it out. [Figure 3.4]

2. 

white vinegar. [Figure 3.5]

Figure 3.4 Figure 3.5

Descaling Your Humidifier

Figure 3.8 Figure 3.9

Figure 3.6 Figure 3.7

3. Replace the tank cover and swish the vinegar

around the tank. [Figure 3.6]

4. Place the tank on the base and soak for







[Figure 3.7]

5. Remove the tank, remove the tank cover, and

[Figure 3.8]

6. Flip the tank over and remove the noise

silencer. To remove the noise silencer, press



[Figure 3.9]

8. 

Reassembling

7. 

[Figure 3.10] and





allow the shaft to be removed. [Figure 3.11]

Figure 3.10 Figure 3.11

Product 



Model 

For your own reference, we strongly recommend that you record

your order ID and date of purchase.

Date of Purchase

Order ID

WARRANTY INFORMATION

87 9

Figure 3.13

Figure 3.16 Figure 3.17

3. 

a. 

facing up. [Figure 3.16]

b. Insert the smaller prong into the closed

[Figure 3.17]

c. Place the larger prong into the open

Ushaped

4. 

5. 

the tank cover on the water tank.

Storing

The Water Filter Assembly









clogging the water outlet valve and entering the

base chamber. Large particles in the water can cause









needs to be replaced. For more information, contact

Customer Support

Figure 3.15

Figure 3.14

Descaling Your Humidier (cont.)

8. 

silencer in a small container. Fill with enough



[Figure 3.12]

Reassembling

1. Flip the water tank over and place the noise

silencer back into the tank. [Figure 3.14]

2. 

tank and rotate it clockwise to secure it in place.

[Figure 3.15]

Problem Possible Solution

Humidier doesn’t

turn on, or turns o

unexpectedly.





Humidier produces

an unusual smell.



Care & Maintenance

Humidier makes

a loud or unusual

noise.

Getting Started

Set mist level to a lower setting.





TCustomer Support

White scale (mineral

buildup) appears

around the humidier.



mineral content.

Care & Maintenance

Water leaks from the

humidier.

Make sure the silicone sealing ring around the water outlet valve is secure.





Do not 



Check the water tank for leaks. If there are leaks, contact Customer Support

Condensation forms

around humidier or

windows.



in the room.

Mold grows inside

the humidier. Care & Maintenance

Rell Indicator Light

turns on.

Fill the water tank.





Customer Support

Problem Possible Solution

Little or no mist

comes out.

Turn the mist level to a higher setting.

Fill the water tank.









Make sure the nozzle is not blocked or clogged.









detergent.



Figure 3.12

Levoit Limited Product Warranty



up to date with important product information such as product updates,

limited warranties, usage and maintenance recommendations, and





Two (2) Year Limited Consumer Product Warranty



from defects in material and workmanship for a period of 2 years from

the date of original purchase





Your Limited Warranty Benefits











store credit in the amount of the purchase price.

Who is Covered?





the product, regardless of whether the product transferred ownership



purchaser must provide verification of the defect or malfunction and proof



Be Aware of Unauthorized Dealers or Sellers









Please be aware, products purchased from an unauthorized website











our Customer Support Team via [email protected].

What’s Not Covered?

• Normal wear and tear, including parts that might wear out over





• 

illegible.

• If the model number, serial number or production date code on

the product has been altered, removed or made illegible.

• If the product has been modified from its original condition.

• If the product has not been used in accordance with directions

and instructions in the user manual.

• 



the user manual.

• 



• 





• Damages or defects occurring during commercial use, rental use,



• If the unit has been damaged, including but not limited to







• 

• Damages or defects exceeding the cost of the product.

Claiming Your Limited Warranty Service in 5 Simple Steps:

 

period.

 

of-purchase.

 DO NOT

before contacting us.

 Contact our Customer Support Team via [email protected]

5. 



Sole and Exclusive Remedy



















Disclaimer of Limited Warranties

















Limitations of Liability



































INDIRECT.













OTHER RIGHTS YOU MAY HAVE





























CHANGES TO THIS POLICY













THIS DEVICE COMPLIES WITH PART 18 OF THE FCC RULES.

FCC SDOC SUPPLIER’S DECLARATION OF CONFORMITY

Federal Communication Commission Interference Statement









Such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular





• Reorient the receiving antenna of radio or television.

• 

• 

• 

















9. Use the cleaning brush and a soft cloth to remove

scale from all parts.

10. 

[Figure 3.13]

11. 



oat to ensure that it does not fall out of the

base chamber.



LEVOIT LUH-A251-WUS Operating instructions

Brand: LEVOIT

Model: LUH-A251-WUS

Category: Humidifiers

Type: Operating instructions

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LEVOIT LUH-A251-WUS Operating instructions

LEVOIT LUH-A251-WUS Operating instructions

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