Midea MWA12CR71 User manual

EasyCool Window

version A - 04 - 2017

MWA12CR71

MWA10CR71

MWA08CR71

MWA06CR71

www.midea.com

USER MANUAL

MWA

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

manufacturer for details.

Rated voltage: 115V

Rated power: 490 ~ 1000W

Frequency: 60Hz

Capacity: 6000 ~ 12000BTU/h

Page 2 

Read This Manual

Inside you will 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 care for safety is required when installing, operating and

maintaining this product.

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

• Contact the installer for installation of this unit.

• The air conditioner is not intented 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 regulation

standards by qualified personnel only.

Owner’s Manual

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

Unit Specifications ............................................................................ 7

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

Installation Instructions ................................................................... 13

Care and Cleaning ............................................................................ 18

Troubleshooting Tips ...................................................................... 19

Remote Control Operating Instructions .................................... 20

CAUTION

Page 3 

Safety Precautions

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.

• Plug in power 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.

It may cause electric shock or fire due to overheat.

• Always ensure effective grounding.

Incorrect grounding may cause electric shock.

• Unplug the unit if strange sounds, smell, or smoke comes fromit.

A damaged product may cause fire and electric shock.

• Keep firearms away.

• 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 plug.

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

It may cause electric shock.

• Do not allow water to touch into electric parts.

It may cause failure or electric shock.

• Do not use the socket if it is loose or damaged.

It may cause fire and electric shock.

• Do not use or keep the power cord close to heating appliances.

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.

• Do not damage or use an unspecified 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 centre or a similarly qualified person in order to avoid a hazard.

This symbol indicates the possibility of death or serious injury.

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

WARNING

Page 4 

WARNING

• Do not direct airflow straight into people to avoid possible health hazard.

• Always install a circuit breaker and a dedicated power circuit.

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.

CAUTION

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

It may cause an 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 and electric shock, it may

cause an injury.

• Stop operation and close the window in stormor hurricane.

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

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

It may cause failure or accident.

• Do not use strong detergent such as wax or thinner but a soft cloth, or else risk

damaging the product.

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

• Do not clean the air conditioner with water.

Water may enter the unit and degrade the insulation. It may cause an 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 plant.

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

It may cause electric shock and damage.

• Ensure that the installation is properly secured under risk of the product falling.

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

compressed.

There is danger of fire or electric shock.

• If water enters the unit, turn the unit off at the power outlet and switch off the

circuit breaker. Isolate supply by taking the power-plug out and contact a qualified

service technician.

• Ventilate the roomwell when used together with a stove, etc.

An oxygen shortage may occur.

• Do not use for any other purpose than roomcomfort.

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

and art objects. It may cause deterioration.

• Turn off the main power switch when not using the unit for a long time.

• Always insert the filters securely. Clean filter once every two weeks.

Operation without filters may cause failure.

• Do not drink water drained fromair conditioner.

Safety

Precautions

Page 5 

Safety

Precautions

NOTE

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.

WARNING - For your safety

• 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

prong fromthe power cord.

WARNING - Electrical Information

The complete electrical rating of

your new roomair conditioner is

stated on the serial plate. 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.

• Do not use an extension cord or an

adapter plug.

Power supply cord with 3-prong

grounding plug and current detection

device

Do not, under any

circumstances, cut,

remove or bypass

the groundig prong.

Grounding type wall receptacle

Page 6 

The power supply cord contains a current device that senses damage to the power

cord. To 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 it also indicated by a light on the plug head.)

Safety

Precautions

NOTES

• 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 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.

Operation of Current Device

Page 7 

Unit

Specifications

and Features

Unit Specifications

MODEL

MWA06CR71

MWA08CR71

MWA10CR71

MWA12CR71

Power supply Ph-V-Hz 1Ph, 115V-, 60Hz 1Ph-115V-60Hz 1Ph-115V-60Hz 1Ph-115V-60Hz

Cooling

Capacity Btu/h 6000 8000 10000 12000

EER Btu/w.h,w/w 12.2 12.0 12.0 12.0

CEER Btu/w.h,w/w 12.1 12.0 12.0 12.0

Rated

input W 490 665 833 1000

Rated

current A 4.5 5.9 7.5 8.7

Standby

power W 0.9 0.9 1.0 1.0

Moisture removal L/h 0.7 1 1.1 1.2

Max. current A 6.5 8 9.79 11.7

Starting current A 21.0 29 35 49

Refrigerant charge (R-410A) g 380 380 540 640

Indoor air flow

(Hi/Med/Lo) CFM 147/122./101.7 224/207.5/185.2 285/257/232 300/270/244

Indoor noise level

(Hi/Med/Lo) dB(A) 56.4/54.1/51.9 58.4/55.8/53.7 59.5/58.5/57 60.5/59.3/57.7

Plug type 5-15P 5-15P 5-15P 5-15P

Control type Remote Control Remote Control Remote Control Remote Control

Operating

temperature

Indoor

(cooling/

heating)

°C 17-32/--- 17-32/--- 17-32/--- 17-32/---

°F 62-90 62-90 62-90 62-90

Outdoor

(cooling/

heating)

°C 18-43/--- 18-43/--- 18-43/--- 18-43/---

°F 64-109 64-109 64-109 64-109

Application area

(Cooling EPA) sq.ft 150-250 300-350 400-450 450-550

Dimension (W*D*H)

mm 471*400*340 471*444*340 482x545x372 482x545x372

in 18.5*15.7*13.4 18.5*17.5*13.4 19x21.5x14.6 19x21.5x14.6

Packing (W*D*H)

mm 561*452*370 561*495*370 557x586x430 557x586x430

in 22.09*17.8*14.6 22.09*19.49*14.6 21.9x23.1x16.9 21.9x23.1x16.9

Net/Gross weight

kg 20.5/23.6 22.2/25.3 27.7/31.2 32.2/35.7

lb 45.1/52.0 48.8/55.7 61.1/68.8 71.0/78.7

Window

Opening

Width

(Min/Max) in 23/36 23/36 23/36 23/36

Height

(Min/Max) in 14 14 15.5 15.5

Page 8 

NOTE

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

the air conditioner you purchased may be slightly different, but its operations and

fuctions are similar.

NOTE

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 circuit

breaker tripping.

Operating Instructions

Normal Sounds

Air Conditioner Operation

Sound of Rushing Air

In front of the unit, you

may hear the sound of

rushing air being moved

by the fan.

High Pitched Chatter

Modern compressors may

have a high pitched sound

during cooling cycle.

Vibration

Unit may vibrate and

make noise because of

poor wall or window

construction or

incorrect installation.

Pinging or Switching

Droplets of water hitting

condenser during normal

operation may cause

pinging or swishing.

Gurgle/Hiss

Gurgling or hissing noise

may be heard due to

UHIULJHUDQWµRZLQJ

through evaporator

during normal operation.

WARNING

To reduce the risk of fire, electrical shock, or injury to people or property, read the

SAFETY PRECAUTIONS before operating this appliance.

Operating

Instructions

Page 9 

To quickly begin operating the air conditioner, follow these steps:

1. Set the thermostat to 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 thermostat to 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 conditions as follows:

Operating

Instructions

Cooling Operation Outdoor temp.: 18-43°C (64°F ~ 109°F)

Indoor temp.: 17-32°C (62°F ~ 90°F)

NOTES

• 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.

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.

(ON/OFF) Button

The unit will initiate automatically the

Energy saver function under Cool, Dry,

Auto (only Auto-Cooling and Auto-Fan)

modes.

Key Pad Features

Auto

Timer

Energy

Saver

Power

Button

LED

Display

Sleep

Mode

Check

Filter

Fan

Speed

Remote

Signal

Receptor

Temp/Timer

Control

Mode

Selector

Temp/Timer

Control

NOTE

If the unit turns off unexpectedly due

to a power outage, it will restart with

its previously set fuctions when the

power resumes.

Page 10 

Operating

Instructions

(UP/DOWN) Button

Press or hold either left (-) or right (+)

button until the desired temperature is

seen on the display. This temperature will

be automatically maintained at the set

temperature, between 62°F (17°C) and

86°F (30°C). If you want the display to

read the actual room temperature, see

“To Operate on Fan Only” section.

(MODE) Button

• To choose operating mode, press

Mode button. Each time you press

the button, a mode is selected in a

sequence that goes from Auto, Cool,

Dry and Fan. The indicator light beside

will be illuminated and remains on once

the mode is selected.

• The unit will initiate automatically the

Energy Saver function under Cool, Dry,

Auto (only Auto-Cooling and Auto-

Fan) modes.

Operating on AUTO mode:

• When you set the air conditioner in

AUTO mode, it will automatically select

cooling, heating (selected models only)

or fan only operation depending on what

temperature you have selected and the

room temperature.

• The air conditioner will control room

temperature automatically to hit the

temperature set point you choose.

• In this mode, the fan speed cannot be

adjusted, it starts automatically at a speed

according to the room temperature.

Operating on FAN mode:

• Use this function only when cooling

is not desired, such as for room air

circulation or to exhaust stale air (on

some models). (Remember to open

the vent during this function, but keep

it closed during cooling for maximum

cooling efficiency.) You can choose any

fan speed you prefer.

• During this function, the display will

show the actual room temperature, not

the set temperature as in the cooling

mode.

• In Fan only mode, the temperature can

not be adjusted.

Operating on DRY mode:

• In this mode, the air conditioner will

operate in the form of a dehumidifier.

Since the conditioned space is a closed

or sealed area, some degree of cooling

will continue.

(FAN SPEED) Button

Used to select the Fan Speed in four steps

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

button is pressed, the fan speed mode

is shifted. On Dry mode,the fan speed is

controlled at low automatically.

Auto

Timer

Energy

Saver

Power

Button

LED

Display

Sleep

Mode

Check

Filter

Fan

Speed

Remote

Signal

Receptor

Temp/Timer

Control

Mode

Selector

Temp/Timer

Control

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