Mitsubishi Heavy Industries DXK21ZRA-W Bedienungsanleitung

RLD012A015G

DXK21ZRA-W

DXK24ZRA-W

DXK28ZRA-W

DXK33ZRA-W

MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

16-5 Konan 2-chome, Minato-ku, Tokyo, 108-8215, Japan

http://www.mhi-mth.co.jp/en/

MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD.

9C Commercial Road Kingsgrove NSW 2208 PO BOX 318 Kingsgrove NSW 1480

Tel : +61-2-8571-7977

Fax: +61-2-8571-7992

https://www.mhiaa.com.au/

USER’S MANUAL

AIR-CONDITIONER

201706

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– 1 –

Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

Air-Conditioner. To get the best long-lasting performance, please read and follow this user’s manual

carefully before using your air-conditioner. After reading, please store the manual in a safe place

and refer to it for operational questions or in the event of any irregularities.

This air-conditioner is intended for domestic and residential use.

Your air-conditioner is marked with this symbol. It means that waste electrical and

electronic equipment (WEEE as in directive 2012/19/EU) should not be mixed with

general household waste. Air-conditioner should be treated at an authorized treat-

ment facility for re-use, recycling and recovery and not be disposed of in the munici-

pal waste stream. Please contact the installer or local authority for more information.

This symbol printed on the batteries attached to your air-conditioner is information

for end-users according to the EU directive 2006/66/EC article 20 annex II.

Batteries, at their end-of-life, should be disposed of separately from general house-

hold waste. If a chemical symbol is printed beneath the symbol

shown above, this chemical symbol means that the batteries contain a

heavy metal at a certain concentration. This will be indicated as follows:

Hg:mercury(0.0005%), Cd:cadmium(0.002%), Pb:lead(0.004%)

Please, dispose of batteries correctly at your local community waste

collection or the recycling center.

Safety precautions..........................................2

Name of each part and its function.................7

Remote control ...............................................9

Operation failure with the remote control........9

Temporary run operation ................................9

Installing two air-conditioners

in the same room..........................................10

Child lock ......................................................10

Airflow range setting.....................................11

Operation and display section

for remote control .........................................12

Current time setting .....................................13

AUTO mode operation..................................13

Temperature adjustment during AUTO mode

...14

FAN SPEED .................................................14

COOL/HEAT/DRY/FAN mode operation.......15

Air-conditioner operation temperature range

....15

Characteristics of HEAT mode operation......15

Airflow direction adjustment..........................16

3D AUTO operation ......................................16

SLEEP TIMER operation ..............................17

The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB(A).

OFF TIMER operation ..................................17

ON TIMER operation ....................................18

SLEEP TIMER + ON TIMER operation ........18

ON TIMER + OFF TIMER operation ............19

ALLERGEN CLEAR operation .....................19

WEEKLY TIMER operation ..........................20

HIGH POWER/ECO operation .....................24

NIGHT SETBACK operation.........................25

SILENT operation .........................................25

SELF CLEAN operation................................26

Auto restart function .....................................26

Tips for effective operation ...........................26

Maintenance.................................................27

Proper installation.........................................29

Troubleshooting ...........................................29

Notice ...........................................................30

Contact your dealer ......................................31

About the multiple air-conditioners ...............31

Self diagnosis function..................................32

DRED ...........................................................33

contents

This Product contains fluorinated greenhouse gases.

Do not vent R32 into the atmosphere: R32 is a fluorinated greenhouse gas with a Global

Warming Potential (GWP) = 675.

Refer to a label on outdoor unit for the weight of fluorinated greenhouse gas and CO2

equivalent.

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– 2 –

Safety precautions

•

Before starting to use the system, please read these “Safety precautions” carefully to ensure

proper operation of the system.

•

When you have read this user’s manual, please keep it safely. If someone else takes over as

user, make sure that the manual is also passed on to the new user.

WARNING

Indicates a potentially hazardous situation which, if not avoided, can

result in serious consequences such as death or severe injury.

CAUTION

Indicates a potentially hazardous situation which, if not avoided, can

result in personal injury or property damage.

Please observe these precautions with great care, since they are essential to your safety.

•

Symbols which appear frequently in the text have the following meaning:

Strictly prohibited Observe instructions

with great care

Provide proper

earthing

❚Safety precautions in handling air conditioners with flammable

refrigerants

This equipment uses

ﬂammable refrigerants. If

the refrigerant is leaked,

together with an external

ignition source, there is a

possibility of ignition.

There is information

included in the user’s

manual and/or installation

manual.

The user’s manual should

be read carefully.

A service personnel

should be handing this

equipment with reference

to the installation manual.

WARNING

•

Strict compliance of the domestic laws must

be observed when disposing the appliance.

•

Do not use means to accelerate the

defrosting process or to clean, other than

those recommended by the manufacturer.

•

The appliance shall be stored in a room

without continuously operating ignition

sources (for example: open ﬂames, an

operating gas appliance or an operating

electric heater.

•

Do not pierce or burn.

•

Be aware that refrigerants may not contain an

odour.

•

The appliance shall be stored in a well-

ventilated area where the room size

corresponds to the room area as speciﬁed for

operation.

•

The staff in servicing operations must hold

the national qualiﬁcation or other relevant

qualiﬁcations.

•

The indoor unit shall be stored in a room that

has a minimum area of 8.6m2.

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– 3 –

❚INSTALLATION PRECAUTIONS

WARNING

•

The system is for domestic and residential use.

If used in severe environments, such as an engineering workplace, the equipment may

function poorly.

•

The system must be installed by your dealer or a qualified installer.

It is not advisable to install the system by yourself, as faulty handling may cause

leakage of water, electric shock or fire.

CAUTION

•

Do not install it where flammable gas may leak.

Gas leaks may cause fire.

•

Make sure that an earth leakage

breaker is installed.

If you do not install an earth leakage

breaker, you may get an electric shock.

•

Make sure to install the drain hose

properly so that all the water is drained

out.

Improper installation may lead to water

drop in the room resulting in wet furniture.

•

Make sure that the system has been properly earthed.

Earth wire should never be connected to a gas pipe, water pipe, lightning conductor

or telephone earth wire. Improper installation of the earth wire may cause an electric

shock.

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– 4 –

❚Safety precautions

❚OPERATION PRECAUTIONS

WARNING



Children shall not play with the

air-conditioner.



Do not expose yourself to the cooling

air for a long period.

This could affect your physical condition

and cause health problems.



Cleaning and user maintenance shall

not be made by children without

supervision.



Do not insert anything into the air

outlet.

This may cause injury, as the internal fan

rotates at high speed.



This air-conditioner can be used by children aged from 8 years and above

and people with reduced physical, sensory or mental capabilities or lack of

experience and knowledge, if they have been given supervision or instruction

concerning use of the air-conditioner in a safe way and understand the hazards

involved.



Store the remote control out of reach of children.

Failure to observe this may result in the batteries being swallowed or other accidents.

CAUTION



Only use approved fuses.

Use of steel or copper wire instead of an

approved fuse is strictly prohibited, as it

may cause a breakdown or fire.



Do not handle the switches with wet

hands.

This may cause an electric shock.



Do not swing from the indoor unit.

If the indoor unit falls down,you may get

injured.



Do not place a flammable insecticide

or paint spray near the air-conditioner,

nor spray it directly on the system.

This may result in a fire.



Do not expose any combustion

appliance directly to the air stream of

the air-conditioner.

The combustion appliance may

malfunction.



Do not wash the air-conditioner with

water.

This could cause an electric shock.

Using a high pressure washer may cause

damage to the aluminum fins, resulting in

performance decrement.



Do not use for preservation of food,

plants or animals, precision devices or

works of art.

The system is only intended for use in

ordinary domestic rooms. Any other use

of the system may damage the quality of

food, etc.



Do not place anything containing

water, like vases, on top of the unit.

Water entering the unit could damage the

insulation and therefore cause an electric

shock.



Do not install the air-conditioner where

the airflow direction is aimed directly at

plants or animals.

This will damage their health.



Do not step/sit on the unit nor put

anything on it.

If the unit falls down or things drop from it,

people could get hurt.



After a long period of use, check the

unit’s support structure regularly.

If you do not repair any damage right

away, the unit may fall down and cause

personal injury.

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– 5 –

❚Safety precautions

CAUTION

•

Do not touch the aluminum fins on the

heat exchanger.

It may result in injury.

•

Do not place household electrical

appliances or household items under-

neath the indoor or outdoor units.

Condensation falling from the unit may

stain objects and cause accidents or

electrical shock.

•

Do not operate the system without the

air filter.

It can cause malfunction of the system

due to clogging of the heat exchanger.

•

Do not shut off the power source

immediately after stopping the

operation.

Wait at least 5 minutes, otherwise there is

a risk of water leakage or breakdown.

•

Do not control the system with main

power switch.

It can cause fire or water leakage. In

addition, the fan can start unexpectedly,

which can cause personal injury.

•

Do not pour liquid into the unit and do

not put water container on the unit.

Water entering the unit could damage the

insulation and therefore cause an electric

shock.

•

If you operate air-conditioner together

with a combustion appliance, you must

regularly ventilate the indoor air.

Insufficient ventilation may cause

accidents due to oxygen deficiency.

•

Stand firmly on a stepladder or other

stable object when removing the inlet

panel and filters.

Failure to observe this may result in injury

through insecure objects toppling over.

•

When you clean air-conditioner, stop

the unit and turn off the power source.

Never open the panel while the internal

fan is rotating.

•

Do not place objects near the outdoor

unit or allow leaves to gather around

the unit.

If there are objects or leaves around the

outdoor unit, small animals may enter

unit and contact electrical parts and may

cause a break-down, smoke or fire.

•

Contact your dealer to clean inside the

indoor unit, do not attempt to do by

yourself.

The use of a non-approved detergent or

improper washing method may damage

the unit’s plastic components and cause

leaks. Damage, smoke, or fire may also

happen if the detergent comes in contact

with electrical parts or the unit’s motor.

•

Stop the unit and turn off the power if

you hear thunder or there is a danger

of lightning.

It may damage the unit.

•

If the power cable becomes damaged,

contact your dealer or a qualified

installer.

If it is not replaced, it may cause a

breakdown or fire.

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– 6 –

❚Safety precautions

❚PRECAUTIONS FOR RELOCATION OR REPAIRS

WARNING

•

Do not perform any repairs or modifications by yourself. Consult the dealer if the

unit requires repair.

If you repair or modify the unit, it can cause water leaks, electric shocks or fire.

•

Consult your dealer for repairs.

Wrong repairs could cause an electric

shock, fire, etc.

•

In case the air-conditioner is relocated

elsewhere, contact your dealer or a

qualified installer.

Faulty installation may cause water

leakage, electric shock, fire, etc.

•

If you notice anything abnormal (smell

of burning, etc.), stop the system, turn

off the power source and consult your

dealer.

Continued use of the system in

abnormal circumstances can result in

malfunctioning, electric shock, fire, etc.

•

If the air-conditioner fails to cool

or warm the room, it may have a

refrigerant leakage. Contact your

dealer.

If refrigerant needs to be added,

check with your dealer for proper

instructions.

If the refrigerant comes in contact with the

bare skin, it may cause cold injury.

If the refrigerant gas is inhaled

excessively, it may cause deterioration

of nerve function like dizziness and

headache, or deterioration of heart

function like irregular heartbeat and heart

palpitation temporarily. If refrigerant

unexpectedly leaks from the unit onto

a fan heater, stove, hotplate or other

heat source, harmful gases could be

generated.

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– 7 –

Name of each part and its function

Air inlet panel Air inlet

Air filters

Air outlet

Room temperature

sensor

Heat exchanger

(Aluminum fin)

Heat exchanger

(Aluminum fin)

Fan

Inside of

the unit

Louvers

(Vertical blades)

Left / right airflow

direction adjustment

Flaps

(Horizontal blades)

Up / down airflow

direction adjustment

Page 27

OUTDOOR UNIT

INDOOR UNIT

Filter holder

Air-cleaning filter

Allergen clear filter

(Light orange)

Photocatalytic washable

deodorizing filter (Orange)

Air inlet

(back and side)

Fan

Inside of the unit

Model name

Refrigerant pipe

and electric wire

Drain hose

Drain hole

* The appearance varies by models

IT MIGHT CAUSE INJURY.

DO NOT STEP ON TOP OF THIS UNIT.

WARNING

DO NOT INSERT ANYTHING

INTO THE AIR OUTLET.

IT MIGHT CAUSE INJURY.

DO NOT TOUCH THE

ALUMINUM FINS.

IT MIGHT CAUSE INJURY.

SHARP EDGE OF FINSMOVING FAN BLADES

CAUTION

Don't touch

the terminal

Don't touch

refrigerant

pipings and

connections.

block.

Model name

Unit display

section

Page 8

MANUFACTURING YEAR

DO NOT INSERT ANYTHING

INTO THE AIR OUTLET

WARNING

Page 2

This equipment uses

flammable gas.

This equipment uses

flammable gas.

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– 8 –

Unit display section

Name of each part and its function

•Buzzer sound for remote control

Buzzer sound (Pip Pip) is produced when

preset temperature is set to 24 °C or,

AUTO operation mode is selected or,

automatic airflow is selected.

Buzzer sound (Pip) is produced when

air-conditioner is turned off by pressing ON/OFF button (except SELF CLEAN mode).

NOTE

Preset temperature

Airflow setting

Remote control Remote control

holder

Filter holder ×2

Allergen clear filter

(Light orange)

Photocatalytic washable

deodorizing filter (Orange)

Battery ×2

(R03 (AAA, Micro))

Wood screw ×2

(for remote control holder mounting)

Accessories

•Illuminates during operation.

•Blinks slowly when SELF CLEAN

operation (3 seconds ON, 1 second

OFF).

•Blinks when airflow is stopped to

prevent blowing out of cold air in

heating operation. (1.5 seconds ON,

0.5 seconds OFF)

Page 26

Page 30

•RUN lights blink quickly during invalid operation mode.

Page 31

3D AUTO light (green)

Illuminates during 3D AUTO operation.

Page 16

TIMER light (yellow)

Illuminates during TIMER operation.

Page 17-23

This button can be used for turning on/off the unit when

a remote control is not available. Page 9

Remote control signal receiver

Unit ON/OFF button

HI POWER light (green)

Illuminates during HIGH POWER operation.

Page 24

RUN (HOT KEEP) light (green)

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