Midea MAW25R1YWT User manual

Window Type

version A - 10 - 2018

MAW25R1YWT

MAW18R1YWT

MAW15R1YWT

www.midea.com

USER MANUAL

MAW

Warning notices: Before

using this product, please

read this manual carefully

and keep it for future

reference.

The design and

specifications are subject to

change without prior notice

for product improvement.

Consult with your dealer or

the manufacturer for details.

Rated voltage: 115/208/230V

Frequency: 60Hz

Capacity: 15000 ~ 25000BTU/h

version A - 10 - 2018 (PREVIEW01)

Page 2 

Read This Manual

Inside you’ll find many helpful hints on how to use and maintain your air conditioner

properly. Just a little preventive care on your part can save you a great deal of time

and money over the life of your air conditioner. You’ll find many answers to common

problems in the troubleshooting tips - you should be able to fix most of them quickly

before calling service. These instructions may not cover every possible condition of

use, so common sense and attention to safety is required when installing, operating

and maintaining this product.

• Contact an authorized service technician for repair or maintenance of this unit.

• Contact the installer for installation of this unit.

• The air conditioner is not intended for use by young children or infirm persons

without supervision.

• Young children should be supervised to ensure that they do not play with the air

conditioner.

• If the power cord needs to be replaced, please contact our consumer service and

look for an authorized technician.

• Electrical installation must be performed in accordance to national wiring

regulation standards and local electric codes by qualified personnel only.

0Safety Precautions ............................................................................... 3

Operating Instructions ........................................................................ 8

Installation Instructions ..................................................................... 14

Care and Cleaning .............................................................................. 20

Troubleshooting Tips .......................................................................... 21

Remote Control Instructions ........................................................... 23

CAUTION

Owner’s Manual

Page 3 

CAUTION

WARNING

Safety

Precautions

To prevent injury to the user or other people and property damage, the instructions

shown here must be followed. Incorrect operation due to ignoring of instructions may

cause harm or damage. The level of risk is shown by the following indications.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to property.

Safety Precautions

• Plug in power cord plug properly.

Otherwise, it may cause electric shock or fire due to excess heat generation.

• Do not modify power cord length or share the outlet with other appliances as it

may cause electric shock or fire due to overheating.

• Always ensure effective grounding.

Incorrect grounding may cause electric shock.

• Unplug the unit if you notice unusual sounds or smells, or smoke coming fromit.

A damaged product may cause fire and electric shock.

• Ventilate roombefore operating the air conditioner if there is a gas leakage from

another appliance.

• Do not operate or stop the unit by inserting or pulling out the power cord plug.

• Do not operate with wet hands or in very humid enviroments.

It may cause electric shock.

• Do not allow water to come into contact with any electric parts.

It may cause failure or electric shock.

• Do not use power outlet or power cord if it’s loose or damaged.

It may cause fire and electric shock.

• Do not place the power cord close to heating appliances.

It may cause fire and electric shock

• Do not disassemble or modify unit.

It may cause failure and electric shock.

WARNING

This symbol shows that this appliance used a flammable refrigerant.

If the refrigerant is leaked and exposed to an external ignition

source, there is a risk of fire.

WARNING

Page 4 

• Do not damage or use an alternate power cord.

It may cause fire and electric shock.

If the power cord is damaged, it must be replaced by the manufacturer or an

authorized service center or a similarly qualified person in order to avoid a hazard.

• Always use the correct amperage rated circuit and breaker.

Incorrect installation may cause fire and electric shock.

• Do not open the unit during operation.

It may cause electric shock.

• Do not use the power cord near flammable gas or combustibles, such as gasoline,

benzene, thinner, etc.

It may cause an explosion or fire.

• When the air filter is to be removed, do not touch the metal parts of the unit.

It may cause injury.

• When the unit needs cleaning, switch off, and turn off the circuit breaker.

Do not clean unit when power is on as it may cause fire, electric shock or injury.

• Stop operation and close the window during a stormor hurricane.

Operation with windows open may cause water leakage into the room.

• Do not place obstacles around air inlets or inside of air outlet.

It may cause failure or accident and Inadequate ventilation may limit the product

useful life.

• Use a cloth with mild soap and water solution to clean the appliance, do not use

harsh cleaners or chemicals. Always disconnect the unit fromthe power, and don’t

allow water to seep into the unit.

• Use caution when unpacking and installing. Sharp edges could cause injury.

• When cleaning the unit do not use excess water.

Water may enter the unit and degrade the insulation which could lead to electric shock.

• Do not put a pet or house plant where it will be exposed to direct air flow.

This could injure the pet or harmthe plant.

• Hold the plug by the head of the power plug when taking it out.

Otherwise, it may cause electric shock and damage.

• Ensure that the installation is properly secured to prevent the product from

potentially falling.

• Do not place heavy objects on the power cord and ensure that the cord is not

compressed. Otherwise, there is danger of fire or electric shock.

• If water enters the unit, turn off the unit and switch off the circuit breaker. Isolate

supply by taking the power-plug out and contact a qualified service technician.

• When used near a stove or other gas burning device, be sure the roomis

properly ventilated.

Otherwise an oxygen shortage may occur.

Safety

Precautions

WARNING

CAUTION

Page 5 

Safety

Precautions

CAUTION

• Do not use for any purpose other than roomcomfort.

Do not use this air conditioner to preserve precision devices, food, pets, plants,

and art objects. It may cause deterioration.

• If bracket is damaged, it should be replaced or repaired to prevent damage to the

unit or an unsafe condition.

• Turn off the main power switch if the unit is not to be used for an extended time.

• Always insert the filters securely. Clean filter once a month.

Operation without filters may cause failure.

• Do not drink water drained fromthe air conditioner.

• Do not use any means to accelerate the defrosting process or to clean the unit,

other than those recommended by the manufacturer.

• Do not use or store the appliance in spaces with potential ignition sources (for

example: open flames, an operating gas appliance or an operating electric heater).

• Do not pierce or burn refrigerant tubing. Be aware that refrigerants may not

contain an odor.

• Keep ventilation openings clear of obstruction.

• Store the appliance in a way that will prevent mechanical damage fromoccurring.

• Store the appliance in a well-ventilated area where the roomsize corresponds to

the roomarea as specified for operation.

• Any person who is involved with working on or breaking into a refrigerant circuit

should hold a current valid certificate froman industry-accredited assessment

authority, which authorizes their competence to handle refrigerants safely in

accordance with an industry recognized assessment specification.

• Servicing shall only be performed as recommended by the equipment

manufacturer. Maintenance and repair requiring the assistance of other skilled

personnel shall be carried out under the supervision of the person competent

in the use of flammable refrigerants.

• Flammable refrigerant (R32) is used within the air conditioner. When maintaining

or disposing of the air conditioner, the refrigerant (R32) shall be recovered

properly, do not discharge to air directly.

WARNINGS (for using R32 refrigerant only)

Page 6 

Safety

Precautions

• Do not store or use gasoline

or other flammable vapors and

liquids in the vicinity of this or any

other appliance.

• Avoid fire hazard or electric shock.

Do not use an extension cord or an

adaptor plug. Do not remove any

prongs fromthe power cord.

WARNING - For your safety

The complete electrical rating of

your new roomair conditioner is

stated on the rating label. Refer

to the rating when checking the

electrical requirements.

• Be sure the air conditioner is

properly grounded. To minimize

shock and fire hazards, proper

grounding is important. The

power cord is equipped with a

three-prong grounding plug for

protection against shock hazards.

• Your air conditioner must be

used in a properly grounded

wall receptacle. If the wall

receptacle you intend to use is not

adequately grounded or protected

by a time delay fuse or circuit

breaker, have a qualified electrician

install the proper receptacle.

• Ensure the receptacle is accessible

after the unit installation.

• Do not run air conditioner without

outside protective cover in place.

This could result in mechanical

damage within the air conditioner.

WARNING - Electrical Information

The power supply cord with this air

conditioner contains a current detection

device designed to reduce the risk of fire.

Please refer to the section Operation of

Current Device for details.

In the event that the power supply cord

is damaged, it can not be repaired. It

must be replaced with a cord fromthe

manufacturer.

NOTE

Grounding type wall receptacle

Do not, under any

circumstances, cut,

remove or bypass

the grounding prong.

Power supply cord with 3-prong grounding

plug and current detection device.

MAW15 (15,000 BTU) Plug

Do not, under any

circumstances, cut,

remove or bypass

the grounding prong.

Power supply cord with 3-prong grounding

plug and current detection device.

MAW18 / MAW25 (18,000 BTU / 25,000 BTU) Plug

Grounding type wall receptacle

Page 7 

The power supply cord contains a current

device that senses damage to the power

cord. Test your power supply cord as

follows:

1. Plug in the air conditioner.

2. The power supply cord will have TWO

buttons on the plug head. Press the

TEST button. You will notice a click as

the RESET button pops out.

3. Press the RESET Button. Again you will

notice a click as the button engages.

4. The power supply cord is now

supplying electricity to the unit. (On

some products this is also indicated by

a light on the plug head.)

Safety

Precautions

Operation of Current Device

To reduce the risk of fire, electrical shock, or injury to persons when using your air

conditioner, follow basic precautions, including the following:

• Be sure the electrical service is adequate for the model you have chosen. This

information can be found on the rating label, which is located on the side of the

cabinet and behind the grille.

• If the air conditioner is to be installed in a window, you will probably want to clean

both sides of the glass first. If the window is a triple-track type with a screen panel

included, remove the screen completely before installation.

• Be sure the air conditioner has been securely and correctly installed according to

the installation instructions in this manual. Save this manual for possible future use

in removing or installing this unit.

• When handling the air conditioner, be careful to avoid cuts fromsharp metal fins

on front and rear coils.

WARNING - Prevent Accidents

• Do not use this device to turn the unit on or off.

• Always make sure the RESET button is pushed in for correct operation.

• The power supply must be replaced if it fails to reset when either the TEST button

is pushed, or it can not be reset. Please contact Customer Service.

• If power supply cord is damaged, it can not be repaired. It MUST be replaced with

a new cord. Please contact Customer Service.

NOTES

RESET

TEST

Plug in &

press RESET

Page 8 

Normal Sounds

Operating

Instructions

Air Conditioner Operation

High Pitched Chatter

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PD\KDYHDKLJKSLWFKHG

VRXQGGXULQJFRROLQJF\FOH

Vibration

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PDNHQRLVHEHFDXVH

RISRRUZDOORUZLQGRZ

FRQVWUXFWLRQRU

LQFRUUHFWLQVWDOODWLRQ

Trickling Sound

'URSOHWVRIZDWHU

KLWWLQJFRQGHQVHU

GXULQJQRUPDO

RSHUDWLRQPD\FDXVH

DWULFNOLQJVRXQG

Gurgle/Hiss

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QRLVHVPD\EHKHDUG

GXHWRUHIULJHUDQW

µRZLQJWKURXJK

HYDSRUDWRUGXULQJ

QRUPDORSHUDWLRQ

Sound of Rushing Air

,QIURQWRIWKHXQLW\RX

PD\KHDUWKHVRXQGRI

UXVKLQJDLUEHLQJ

PRYHGE\WKHIDQ

To reduce the risk of fire, electrical shock, personal injury, or property damage, read

the SAFETY PRECAUTIONS before operating this appliance.

WARNING

The cool circuit has an automatic 3 minutes time delayed start if the unit is turned off

and on quickly. This prevents overheating of the compressor and possible tripping.

NOTE

Operating Instructions

All the pictures in this manual are for illustrative purposes only. The actual appearance

of the air conditioner may vary slightly, but its operation and functions will be similar.

NOTE

Page 9 

Operating

Instructions

To begin operating the air conditioner, follow these steps:

1. Set the lowest number (coldest setting).

2. Set the selector control to the highest COOL setting.

3. Adjust the louver for comfortable air flow (see Air Directional Louvers).

4. Once the room feels colder, adjust the setting you find most comfortable.

5. Make sure that the air flow inside and outside are not obstructed by anything.

6. This air conditioner is designed to be operated under the following conditions:

Cooling Operation

Outdoor temp.: 64-109°F/18-43°C (64-125°F/18-52°C

for special tropical models)

Indoor temp.: 62-90°F/17-32°C

Heating Operation Outdoor temp.: 23-76°F/-5-24°C

Indoor temp.: 32-80°F/0-27°C

Before you begin, thoroughly familiarize yourself with the control panel as shown below

and all its functions, then follow the symbol for the functions you desire. The unit can be

controlled by the unit control panel alone or with the remote controller.

• The relative humidity of roomshould be less than 80%. If the unit is used in a

condition with a relative humidity over 80%, there will be condensed water on

the surface of the unit.

• Performance may be reduced outside of these operating temperatures.

NOTES

AIR DIRECTIONAL LOUVERS

The louvers will allow you to direct the

air flow up or down (on some models)

and left or right throughout the room as

needed. Pivot horizontal louvers until the

desired up/down direction is obtained.

Move the levers from side to side until the

desired left/right direction is obtained.

Air Direction

Levers

Page 10 

Operating

Instructions

ELECTRONIC CONTROL OPERATING INSTRUCTIONS

Before you begin, thoroughly familiarize yourself with the control panel as shown below

and all its functions, then follow the symbol for the functions you desire. The unit can be

controlled by the unit control alone or with the remote controller.

TO TURN UNIT ON OR OFF:

Press ON/OFF button to turn unit on

or off.

Air Conditioner Features and Controls

TO CHANGE TEMPERATURE SETTING:

Press UP ( )/DOWN ( ) button to

change temperature setting.

TO ADJUST FAN SPEEDS:

Press to select the Fan Speed in four

steps-Auto, Low, Med or High. Each time

the button is pressed, the fan speed mode

is changed. On Dry mode, the fan operates

on Low speed automatically.

SLEEP FEATURE:

Press Sleep button to initiate the

sleep mode. In this mode the selected

temperature will increase by 2°F/1

(or 2)°C 30 minutes after the mode

is selected. The temperature will then

increase by another 2°F/1 (or 2)°C after

an additional 30 minutes. This new

temperature will be maintained for 6

hours before it returns to the originally

selected temperature. This ends the

Sleep mode and the unit will continue to

operate as originally programmed. The

Sleep mode program can be cancelled

at any time during operation by pressing

the Sleep button again.

The unit will automatically initiate the

Energy Saver function under Cool,

Dry, Auto (only Auto-Cooling and

Auto-Fan) modes.

NOTE

Press or hold either UP ( )/DOWN ( )

button until the desired temperature is

seen on the display.

This temperature will be automatically

maintained anywhere between 62°F

(17°C) and 86°F (30°C). If you want to

display the actual roomtemperature,

see To Operate on Fan Only section.

NOTE

Energy

Saver

LED

Display

Clean

Filter

Timer

Button

Power

Button

Sleep

Button

Fan

Button

Up ( ) and Down ( )

Buttons

Mode

Button

Connect Indicator Light

(Wi-Fi models only)

This manual suits for next models

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