Mitsubishi Heavy Industries STM25ZE Bedienungsanleitung

This air conditioner complies with EMC Directive 89/336/EEC, LV

Directive 73/23/EEC.

RJH012A011.EN

ENGLISH

STM25ZE/ZF-S

STM35ZE/ZF-S

STM50ZE/ZF-S

STM60ZE/ZF-S

AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS

16-5, 2-Chome, Kounan, Minato-ku, Tokyo, 108-8215, Japan

Fax: (03) 6716-5926

MITSUBISHI HEAVY INDUSTRIES EUROPE, LTD.

AIR-CONDITIONER DIVISION

3rd Floor Thavies Inn House 3-4 Holborn Circus London EC1N 2HA, ENGLAND

Phone: 44(0)20 7842 8171

Fax: 44(0)20 7842 8104

USER’S MANUAL

AIR-CONDITIONER

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Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES, LTD. Air-Conditioner. To

get the best long-lasting performance, 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 use.

An alternative refrigerant (R410A) is used in this air-conditioner. When asking the

dealer for service or inspection and maintenance, explain the dealer about this matter.

Contents

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

Choice of operations and features ................................................................................................ 4

Name of each part and its function ............................................................................................... 5

Operation and indication section for remote control .................................................................... 7

AUTO mode operation procedure ................................................................................................ 8

Temperature adjustment during AUTO ........................................................................................ 8

COOL/HEAT/DRY mode operation procedure ........................................................................... 9

Concerning HIGH POWER operation ......................................................................................... 9

Concerning ECONOMY operation .............................................................................................. 9

Air flow direction adjustment procedure .................................................................................... 10

About FAN SPEED .................................................................................................................... 10

OFF-TIMER operation procedure .............................................................................................. 11

ON-TIMER operation procedure................................................................................................ 11

PROGRAM TIMER operation procedure .................................................................................. 12

About TIMER operation............................................................................................................. 12

Present time setting procedure .................................................................................................... 12

Emergency run operation............................................................................................................ 13

Remote control handling procedure ........................................................................................... 13

When the operation fails with the remote control ...................................................................... 14

Operating hints ........................................................................................................................... 14

Maintenance................................................................................................................................ 15

Has the unit been installed correctly? ......................................................................................... 16

About the Multiple Air-conditioner ............................................................................................ 16

Troubleshooting .......................................................................................................................... 17

Please remember! ....................................................................................................................... 17

When to contact your distributor without delay ......................................................................... 18

Air-conditioner operating conditions.......................................................................................... 19

Power Blackout Auto Restart Function ...................................................................................... 19

Characteristics of HEAT mode operation .................................................................................. 19

Self diagnosis function ............................................................................................................... 20

ENGLISH

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Don’t swing from the system.

If the system falls down,

you may get injured.

Do not insert anything into the air inlet.

This may cause injury, as the internal fan rotates at

high speed.

Do not expose yourself to the cooling

air for prolonged periods.

This could affect your physical condition and cause

health problems.

LPG

Safety precautions

•Before starting to use the system, please read these “Safety precautions” carefully to ensure proper operation of the system.

•The safety precautions are classified as “ DANGER” and “ CAUTION”. Precautions as shown in the column “ DANGER” indicate that

improper handling could have dramatic consequences like death, serious injury, etc. Nevertheless, even precautions as shown in the column

“CAUTION” might pose a serious problem, depending on the circumstances. 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:

•When you have read the instruction manual, please keep it near at hand for consultation. If someone else takes over as operator, make certain that the

manual is also passed on to the new operator.

Strictly prohibited Provide positive earthing

Make sure that the system has been properly earthed.

Earth cables should never be connected to a gas pipe, municipal water pipe, light-

ning conductor or telephone earth cable. Incorrect installation of the earth cable

may produce an electric shock.

Depending on the place of installation, a circuit breaker may

be necessary.

If you don’t fit a circuit breaker, you may cause an electric shock.

Do not install near places where inflammable gas may leak.

Gas leaks may cause fire.

Make sure that you drain the hose properly, so that all the

water has dripped out.

Negligence may cause flooding in the room resulting in wet furniture.

Observe instructions with

great care

❚INSTALLATION PRECAUTIONS

DANGER

CAUTION

❚OPERATION PRECAUTIONS

DANGER

The system is meant for domestic, residential etc. use.

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

may function poorly.

The system must be installed by your dealer or a qualified pro-

fessional.

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

age of water, electric shock or fire.

Store the remote control out of reach

of infants.

Failure to observe this may result in the batteries

being swallowed or other accidents.

Only use approved fuses.

Use of steel or copper wire instead of an approved

fuse is strictly forbidden, as it may cause a breakdown

or fire.

CAUTION

Do not handle the switches with wet

hands.

This may cause an electric shock.

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Do not place anything containing wa-

ter, like vases, on top of the unit.

Water entering the unit could damage the insula-

tion and therefore cause an electric shock.

The system should only be used for its original purpose

and not for anything else like, for instance, 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 wash the air-conditioner with wa-

ter.

This could cause an electric shock.

You should not expose any combus-

tion appliance directly to the air

stream of the air-conditioner.

The appliance may then work inadequately.

Do not place a combustible insecticide

or paint spray near the blower, nor aim it

directly at the system.

This may result in a fire.

Do not install the system at a place

where the air stream of the blower is

aimed directly at plants or animals.

This will damage their health.

Do not sit on the outdoor unit nor put

anything on it.

If the unit falls down or things drop off it, people

could get hurt.

After a long period of use, check the unit's

support structure from time to time.

If you don't repair any damage straightaway, the

unit may fall down and cause personal injury.

Stand firmly on a stepladder or other

stable object when removing the inlet

grill and filters.

Failure to observe this may result in injury through

insecure objects toppling over.

Consult your dealer for repairs to the

system.

Wrong repairs could cause an electric shock, fire, etc.

If you notice anything abnormal (smell of

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

power switch and consult your dealer.

Continued use of the system in abnormal circum-

stances may result in malfunctioning, electric shock,

fire, etc.

If the air-conditioner is moved else-

where, contact your dealer or a pro-

fessional fitter.

Faulty installation may cause water leakage, elec-

tric shock, fire, etc.

❚PRECAUTIONS FOR TRANSFER OR REPAIRS

DANGER

Safety precautions

CAUTION

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 resulting in break down, emission of smoke or

flame.

Do not touch the aluminum fins on the

air heat exchanger.

Failure to observe this may result in injury.

If you operate the system together with

a combustion appliance, you must regu-

larly ventilate the indoor air.

Insufficient ventilation may cause accidents due to

oxygen deficiency.

When you clean the system, stop the

unit and turn off the power switch.

Never clean the unit while the internal fan is rotating.

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Features

Page 10

Page 11,12

There are two timers, for ON and OFF.

They can be set as desired.

Page 12

When using the timer to switch on, the sys-

tem become operational shortly before the

set time, depending on the room tempera-

ture so that the desired temperature is

reached at the set time.

Choice of operations and features

Amenity facility

TIMER procedure

•AIR SCROLL

This function sets the unit at the most suitable angle

for blowing, imitating a natural breeze.

•MEMORY FLAP

Once the flap position has been set, the unit will

memorise it and continue in the same position the

next time.

Page 8

Automatic selection of operating mode.

The Auto mode automati-

cally selects the operation

mode (HEAT, COOL or

DRY), depending on the

room temperature when

switched on.

Adjustment of

airflow

AUTO

Page 9

Cooling by extracting heat from the room.

COOL

Choice of operations

Page 9

The unit draws in heat from the outside air, transfers it inside and

heats the room.

HEAT

Page 9

Drying by extracting damp from the room.

Functioning of microcomputer depends on setting and room tem-

peratures. It dehumidifies while keeping room temperature almost

constant.

DRY

Page 9

Turning up the power operates the air-condi-

tioner in the power cooling and heating

mode.

HIGH POWER mode

Page 9

This is an economic and healthy level of op-

eration.

ECONOMY mode

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Name of each part and its function

INDOOR UNIT

STM25ZE/ZF-S

STM35ZE/ZF-S

STM50ZE/ZF-S

STM60ZE/ZF-S

OUTDOOR UNIT SCM80ZD/ZF-S

Air inlet

(on side & rear surface)

Air outlet

Wireless remote control

Page 7

Drain hose

Drains water from the dehumidified air.

Air inlet grill

Draws in the indoor air.

Remote control signal receiver

Air outlet

Air blows out of here.

Unit indication & operation section

Air filter

Removes dust or dirt from the inlet air.

Page 15

Refrigerant piping connection

electric flex

Air flow direction adjustment flap

Page 10

SCM40ZF-S

SCM45ZD/ZF-S SCM48ZF-S

SCM60ZD/ZF-S

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Unit indication section

Unit ON/OFF button

In emergencies, this button can be used for turning on/off the unit when remote control is not available. Page 13

Unit ON/OFF button

Remote control signal receiver

Unit ON/OFF button

RUN (HOT KEEP) light (green)

•Illuminates during operation.

•Blinks at air flow stop due to the ‘HOT KEEP’.

Page 17

ECONO light (orange)

Illuminates during ECONOMY operation.

TIMER light (yellow)

Illuminates during TIMER operation.

HI POWER light (green)

Illuminates during HIGH POWER operation.

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MED

AUTO

HI POWER

ECONO

ON OFF

AM PM

Operation and indication section for remote control

Operation section

FAN SPEED button

Each time the button is pushed, the indi-

cator is switched over in turn.

•The above illustration shows all controls, but in practice

only the relevant parts are shown.

OPERATION MODE select button

Each time the button is pushed, the indi-

cator is switched over in turn.

ON/OFF button

Press for starting operation, press again for

stopping.

HI POWER button

This button changes the HIGH POWER

mode.

Page 9 ECONO button

This button changes the ECONOMY mode.

Page 9

RESET switch

Switch for resetting microcomputer.

Page 13

ON TIMER button

This button selects ON TIMER operation.

Page 11

TIME switch

This switch for setting the time.

Page 12

OFF TIMER button

This button selects OFF TIMER operation.

Page 11

TEMPERATURE button

This button sets the room temperature.

(This button changes the present time and

TIMER time.)

CANCEL button

This button cancels the ON timer and OFF

timer.

RESERVE button

This button sets the present time and

TIMER time.

Indication section

TEMPERATURE indicator

Indicates set temperature.

(Does not indicate temperature when operation

mode is on AUTO)

FAN SPEED indicator

Indicates set air flow rate with lamp.

AIR FLOW indicator

Shows selected flap mode.

HIGH POWER MODE indicator

Indicates during high power mode operation.

ECONOMY MODE indicator

Indicates during economy mode operation.

ON TIMER indicator

Indicates during ON TIMER operation.

TIME indicator

Indicates present time or timer setting time.

OFF TIMER indicator

Indicates during OFF TIMER operation.

Transmission procedure

When each button on the remote control is pressed –with the remote control pointing towards the air-conditioner unit –a signal is transmitted.

When the signal is received correctly, the unit will beep.

OPERATION MODE indicator

Indicates selected operation with lamp.

[ (Auto) •(Cool) •(Heat) •(Dry)]

AIR FLOW button

This button changes the flap mode. When

pressed, this button changes the mode in the

following order:

Page 10

(Air scroll) (Swing)

(Flap stopped)

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Temperature adjustment during AUTO

Air temperature adjustment is possible even during automatic operation. There are 6 levels of adjustment possible with the button or the button.

AUTO mode operation procedure

■Automatically selects the operation mode (HEAT, DRY, COOL) depending on the room temperature when switched on.

Air flow direction adjustment

procedure. Page 10

WARM

Press the button.

COOL

Press the button.

When a change in temperature is desired.

Press the or button.

•If you don’t want the AUTO mode programme, change to

HEAT, DRY or COOL instead of AUTO.

Page 9

AUTO mode can be

operated by simply

pressing the ON/OFF

button.

To stop: Press the ON/OFF button.

■Each time the button is pushed, the switch over occurs in the following order –6 →–5 →............ –1 →±0 →+1 ............ +6.

When +6 is indicatored, even if the button is pushed, the indicator does not change.

■Each time the button is pushed, the switch over occurs in the following order +6 →+5 →............ +1 →±0 →–1 ............ –6.

When –6 is indicatored, even if the button is pushed, the indicator does not change.

•Air is not blown out during the op-

eration.

Page 17

•Simultaneous automatic operation.

Page 16

Aim the remote control at the air-conditioner.

Press the ON/OFF button.

When the unit is not in AUTO mode:

Press MODE button.

Move the [ mark] to the (Auto) position.

NOTE

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COOL/HEAT/DRY mode operation procedure

Air flow direction adjustment procedure. Page 10

COOL

DRY

HEAT

26°C~28°C21°C~24°C22°C~24°C

To stop: Press the ON/OFF button.

NOTE

•If the ECONOMY operation is selected while operating with the

strong or medium wind capacity, it takes about 1 minute before the

wind capacity drops to the weak level.

•When the following operations are conducted ECONOMY opera-

tion will be canceled.

1When the ECONO button is pressed again.

2When HIGH POWER operation is selected.

•

Air is not blown out during the operation.

Page 17

•The air-conditioners cannot be in different

operating modes at the same time, such as

one unit being in the “Cool”mode and one

unit being in the “Heat”mode.

Concerning HIGH POWER operation

Pressing the HI POWER button intensifies the operating power and initiates a powerful cooling or heating operation for 15 minutes continuously.

The remote control illuminates but the wind capacity display is erased.

Concerning ECONOMY operation

Pressing the ECONO button initiates a soft operation with the power suppressed in order to avoid an excessive cooling or heating. The unit operates

1.5°C higher than the setting temperature for the weak wind capacity during cooling or 2.5°C lower than that during heating. A message is

displayed on the remote control. The wind capacity display is erased.

NOTE

•During the HIGH POWER operation, the room temperature is not

controlled. When it causes an excessive cooling or heating, press

the HI POWER button once more to cancel the HIGH POWER

operation.

•HIGH POWER operation is not available during the DRY opera-

tion.

•During ON timer operation, HIGH POWER operation will start

when the ON time is reached.

“HI POWER”

▲

“ECONO”

▲

•When the following operations are conducted HIGH POWER op-

eration will be canceled.

1When the HI POWER button is pressed again.

2When the operation mode is changed.

3When ECONOMY operation is conducted.

Program changing procedure

Set the new program.

•The operation program can also be set or changed when

the air-conditioner is not in operation.

Aim the remote control at the air-conditioner.

Press the ON/OFF button.

Press the MODE select button.

Move the [ mark] to the desirable operation position.

(Cool), (Heat), (Dry)

Press the TEMP button.

Press or button for the desired temperature.

Standard

Press the FAN SPEED button

Set the air flow rate as desired.

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