Mitsubishi Heavy Industries SRF50ZSX-W Bedienungsanleitung

RFB012A009F

ORIGINAL INSTRUCTIONS

USER’S MANUAL

AIR-CONDITIONER

202004

SRF25ZS-W

SRF35ZS-W

SRF50ZSX-W

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EN-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.

ENGLISH

YourAir-Conditioningproductmay bemarked 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-conditioners

should be treated at an authorized treatment facility for re-use, recycling

and recovery and not be disposed of in the municipal waste stream. Please

contact the installer or local authority for more information.

This symbol printed in the batteries attached to your Air-Conditioning

product 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

household 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.

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

Contents

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

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

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

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

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

Installing two air-conditioners in the same room

...10

Child Lock.....................................................10

Operation and display section for remote control

....11

Current time setting .....................................12

AUTO mode operation..................................12

Temperature adjustment duringAUTO.........13

FAN SPEED .................................................13

COOL/HEAT/DRY/FAN mode operation ......14

Air-conditioner operable temperature setting

...14

Characteristics of HEAT mode operation .....14

AirÀow direction adjustment..........................15

SLEEP TIMER operation..............................16

OFF-TIMER operation..................................16

ON-TIMER operation....................................17

SLEEP TIMER + ON-TIMER operation........17

ON-TIMER + OFF-TIMER operation............18

WEEKLY TIMER operation...........................19

HIGH POWER/ECONOMY operation ..........23

NIGHT SETBACK operation.........................24

SILENT operation.........................................24

MENU function

SELF CLEAN operation.............................25

PRESET operation ....................................26

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

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

Air outlet selection........................................27

Maintenance.................................................28

Proper installation.........................................30

Troubleshooting............................................30

Notice ...........................................................31

Contact your dealer......................................32

About the Multiple Air-conditioner.................32

Self diagnosis function..................................33

DRED (For Australia)....................................34

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EN-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.

This unit is designed for 2 types refrigerants (R32 or R410A). See a label on the outdoor unit to

check refrigerant information.

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

Strictly prohibited Observe instructions

with great care Provide proper

earthing

The user’s manual should be read

carefully. A service personnel should be

handing this equipment with

reference to the installation

manual.

There is information included

in the user’s manual and/or

installation manual.

❚Following precaution is only for R32.

This equipment uses Àammable refrigerants. If the refrigerant is leaked,

together with an external ignition source, there is a possibility of ignition.

ௗ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 Àames, 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 speci¿ed for

operation.

The staff in servicing operations must hold

the national quali¿cation or other relevant

quali¿cations.

The indoor unit shall be stored in a room that

has a minimum area of 4.0m2.*

This value is for split system. In the case of

multi system, see the installation sheet of

outdoor unit.

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EN-3

❚Safety precautions

❚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.

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.

Do not vent R410A into the atmosphere: R410A is a fluorinated greenhouse gas with a Global

Warming Potential (GWP) = 2088.

Refer to a label on outdoor unit for the weight of fluorinated greenhouse gas and CO2equivalent.

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EN-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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EN-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.

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.

Do not let the foreign matters enter

the indoor unit through the air outlets.

This may cause the dumper inoperable.

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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EN-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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EN-7

INDOOR UNIT

Name of each part and its function

OUTDOOR UNIT

Air outlet

Air inlet

(On side & rear surface)

Outdoor unit fan

Heat exchanger

Upper air outlet

Air blows out of here.

Up/down airÀow direction adjustment Àap

Air lnlet panel

Draws the indoor air.

Unit operation switch

Up/down airÀow direction adjustment Àap

Lower air outlet

Air blows out of here.

Drain hose

Drains water from the indoor unit.

Refrigerant piping connection and electric wire

Left/right airÀow adjustment louver

Page 15

Left/right airÀow adjustment louver

Page 15

•Air inlet panel removed.

Air ¿lter

Removes dust or dirt from the inlet air.

Page 28

Air-cleaning ¿lter

Page 29

Room temperature sensor

Heat exchanger

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EN-8

Unit display section

Name of each part and its function

Battery

(R03 (AAA, Micro) × 2)

Wood screw (Quantity:2)

(for remote control holder mounting)

Allergen clear filter

(Light orange)

Photocatalytic washable

deodorizing ¿lter (Orange)

Accessories

Wireless remote control Wireless remote

control holder

OFF

Operation mode

invalid

Page 32

AIR SELECTION button

HI POWER Light (green)

AIR OUTLET SELECTION light (green)

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

remote control is not available. Page 9

Unit ON/OFF button

• Illuminates during operation.

• Blinks when airÀow stops due to the ‘HOT

KEEP’, ‘SELF CLEAN operation’and

‘operation mode invalid’.

Page 14

Page 25

RUN (HOT KEEP) light (green)

0.5 sec.

OFF

1.5 sec.

HOT KEEP

Remote control signal receiver

TIMER light (yellow)

Illuminates during TIMER operation.

3 sec.

1 sec.

OFF

SELF CLEAN

operation

0.5 sec.

OFF

1.5 sec.

Illuminates during HIGH POWER operation.

Blinks during heating preparation.

Use this button to switch between the combination of

upper and lower air outlets and upper air outlet.

Illuminates during upper air outlet operation.

ECONO light (green)

Illuminates during ECONOMY operation.

xBuzzer sound for remote control

Buzzer sound (PipPip) is produced when

preset temperature is set to 24 °C or,

AUTO operation mode is selected or,

automatic airflow is selected (except FAN mode operation).

Buzzer sound (Pip) is produced when

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

NOTE

Preset temperature

Airflow setting

PipPip Pip Pip Pip Pip Pip Pip Pip Pip Pip Pip

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