Midea MAW25R1YWT User manual

Window Type
version A - 10 - 2018
MAW25R1YWT
MAW18R1YWT
MAW15R1YWT
www.midea.com
USER MANUAL
en
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
1
2
3
4
5
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
+LJKHI´FLHQF\FRPSUHVVRUV
PD\KDYHDKLJKSLWFKHG
VRXQGGXULQJFRROLQJF\FOH
Vibration
8QLWPD\YLEUDWHDQG
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
*XUJOLQJRUKLVVLQJ
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
1
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)