Mitsubishi Heavy Industries SRK20HG Bedienungsanleitung

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

RKX012A014

SRK20HG

SRK28HG

SRK40HG

РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ

КОНДИЦИОНЕР ВОЗДУХА

KULLANIM KILAVUZU

SPL‹T KL‹MA

ENGLISH

РУССКИЙ

TÜRKÇE

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

Directive 73/23/EEC.

RKX012A014_Cover.p65 06.9.19, 9:50 AM1

–1–

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.

contents

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

Name of each part and its function ............................................................................................... 4

Operation and indication section for remote control .................................................................... 5

Present time setting procedure ...................................................................................................... 5

AUTO mode operation procedure ................................................................................................ 6

Temperature adjustment during AUTO ........................................................................................ 6

About FAN SPEED ...................................................................................................................... 6

COOL/HEAT/DRY mode operation procedure ........................................................................... 7

Air-conditioner operating conditions............................................................................................7

Characteristics of HEAT mode operation .................................................................................... 7

Air flow direction adjustment procedure ...................................................................................... 8

SLEEP operation procedure ......................................................................................................... 9

OFF-TIMER operation procedure ................................................................................................ 9

ON-TIMER operation procedure................................................................................................ 10

SLEEP operation + ON-TIMER operation procedure ............................................................... 10

PROGRAM TIMER operation procedure .................................................................................. 11

HIGH POWER/ECONOMY operation procedure ..................................................................... 12

Concerning CLEAN operation ................................................................................................... 13

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

Power blackout auto restart function .......................................................................................... 13

Remote control handling procedure ........................................................................................... 14

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

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

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

Has the unit been installed correctly? ......................................................................................... 17

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

Please remember! ....................................................................................................................... 18

When to contact your distributor without delay ......................................................................... 19

Self diagnosis function ............................................................................................................... 19

ENGLISH

RKX012A014_En.p65 06.9.19, 9:33 AM1

–2–

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

Observe instructions with

great care

❚INSTALLATION PRECAUTIONS

DANGER

❚OPERATION PRECAUTIONS

DANGER

Make sure that the system has been properly earthed.

Depending on the place of installation, a circuit breaker may

be necessary.

Do not install near places where inflammable gas may leak.

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

water has dripped out.

The system is meant for domestic, residential etc. use. The system must be installed by your dealer or a qualified pro-

fessional.

If used in inferior environments, such as an engineering

workplace, the equipment may function poorly.

It is not advisable to install the system yourself, as faulty

handling may cause leakage of water, electric shock or fire.

Gas leaks may cause fire. If you don’t fit a circuit breaker, you may cause an electric

shock.

Negligence may cause flooding in the room resulting in wet

furniture.

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

water pipe, lightning conductor or telephone earth cable. Incor-

rect installation of the earth cable may produce an electric shock.

Do not expose yourself to the cooling

air for prolonged periods.

Store the remote control out of reach

of infants.

Don’t swing from the system.

Only use approved fuses.

CAUTION

Do not handle the switches with wet

hands.

Do not insert anything into the air inlet.

This could affect your physical condi-

tion and cause health problems.

This may cause injury, as the inter-

nal fan rotates at high speed.

Failure to observe this may result in

the batteries being swallowed or

other accidents.

Use of steel or copper wire instead of

an approved fuse is strictly forbidden,

as it may cause a breakdown or fire.

This may cause an electric shock. If the system falls down,

you may get injured.

CAUTION

Do not wash the air-conditioner with wa-

ter.

You should not expose any combus-

tion appliance directly to the air

stream of the air-conditioner.

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. The appliance may then work inad-

equately.

This could cause an electric shock.

RKX012A014_En.p65 06.9.19, 9:33 AM2

–3–

Safety precautions

CAUTION

❚PRECAUTIONS FOR TRANSFER OR REPAIRS

DANGER

Stand firmly on a stepladder or other

stable object when removing the inlet

panel and filters.

Do not place objects near the outdoor

unit or allow leaves to gather around

the unit.

Do not place anything containing wa-

ter, like vases, on top of the unit.

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.

Do not install the system at a place

where the air stream of the blower is

aimed directly at plants or animals.

Do not sit on the outdoor unit nor put

anything on it.

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

support structure from time to time.

Do not touch the aluminum fins on the

air heat exchanger.

If you operate the system together

with a combustion appliance, you

must regularly ventilate the indoor air.

When you clean the system, stop the

unit and turn off the power switch.

Do not place household electrical appli-

ances or household items beneath the

indoor or outdoor units.

Contact your dealer to clean inside

the indoor unit, do not attempt to do

so yourself.

Stop the unit and turn off power if you

hear thunder or there is a danger of

lightning.

The system is only intended for use in

ordinary domestic rooms. Any other

use of the system may damage the

quality of food, etc.

Water entering the unit could dam-

age the insulation and therefore

cause an electric shock.

This will damage their health.

If the unit falls down or things drop

off it, people could get hurt.

If you don't repair any damage

straightaway, the unit may fall

down and cause personal injury.

Failure to observe this may result in

injury.

Condensation falling from the unit

can stain objects and cause accidents

or electrical shock.

Insufficient ventilation may cause

accidents due to oxygen deficiency.

Failure to observe this may result in

injury through insecure objects top-

pling over.

Never clean the unit while the internal

fan is rotating. If there are objects or leaves around

the outdoor unit, small animals

may enter unit and contact electri-

cal parts resulting in break down,

emission of smoke or flame.

The use of a non-approved detergent

or improper washing method can

damage the unit’s plastic compo-

nents and cause leaks. Damage,

smoke, or fire can also result if the

detergent comes in contact with

electrical parts or the unit’s motor.

Electrical storms can damage the unit.

Consult your dealer for repairs to the

system.

If you notice anything abnormal (smell of

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

power switch and consult your dealer.

If the air-conditioner is moved else-

where, contact your dealer or a pro-

fessional fitter.

If the air-conditioner fails to cool or warm, it may have a refrigerant leak. Contact

your dealer.

If refrigerant needs to be added, check with your dealer for proper instructions.

Wrong repairs could cause an electric

shock, fire, etc.

Faulty installation may cause water

leakage, electric shock, fire, etc.

Continued use of the system in ab-

normal circumstances may result in

malfunctioning, electric shock, fire,

etc.

The refrigerant used in your air-conditioner is safe. However, if refrigerant unexpectedly leaks

from the unit onto a fan heater, stove, hotplate or other heat source, harmful products could be

released.

RKX012A014_En.p65 06.9.19, 9:33 AM3

–4–

RUN TIMER

ON / OFF

HI POWER ECONO

Name of each part and its function

INDOOR UNIT

Air filter

Removes dust or dirt from the inlet air.

Page 15

Air Inlet panel

Draws in the indoor air.

Drain hose

Drains water from the dehumidified air.

Left/right air flow adjustment louver

Page 8

Up/down air flow direction adjustment flap

Page 8

Air outlet

Air blows out of here.

Unit operation switch

Room temperature detector

Air-cleaning filter

Refrigerant piping connection electric flex

OFF

1.5 sec.

0.5 sec.

Unit indication section

ECONO light (orange)

Illuminates during ECONOMY operation.

HI POWER light (green)

Illuminates during HIGH POWER operation.

RUN (HOT KEEP) light (green)

•Illuminates during operation and CLEAN

operation.

•

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

Page 18

TIMER light (yellow)

Illuminates during TIMER operation.

In emergencies, this button can be used for turning on/off the unit

when remote control is not available.

Page 13

Remote control signal receiver

Unit ON/OFF button

RKX012A014_En.p65 06.9.19, 9:33 AM4

–5–

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 air-conditioner receives the signal correctly, it will beep.

NOTE

Present time setting procedure

■When inserting the batteries, the present time is automatically set to time setting mode.

Example: Set to 10:30.

Press the ACL switch.

Press with the tip of a ballpoint pen, etc.

The time indicator blinks and can be set to the current time.

Press the “or ”button.

(Set to 10:30)

Press the ON/OFF button.

The indication changes from blinking to steady lighting and the setting is complete.

•The timer operation is set on the basis of the present time, so please set it cor-

rectly.

•The remote control data is reset when the present time is set.

3Press within

60 sec.!

RKX012A014_En.p65 06.9.19, 9:33 AM5

–6–

AUTO HI MED LO

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 (COOL, HEAT, DRY) depending on the room temperature when switched on.

Air flow direction adjustment

procedure. Page 8

When a change in temperature is desired.

Press the or button.

•Air is not blowing out during the op-

eration.

Page 18

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

COOL, HEAT or DRY instead of AUTO.

Page 7

AUTO mode can be

operated by simply

pressing the ON/OFF

button.

To stop: Press the ON/OFF button.

■Each time the button is pressed, the switch over occurs in the following order

–6 →–5 →............ –1 →±0 →+1 ............ +6.

When +6 is indicated, even if the button is pressed, the indicator does not change.

■Each time the button is pressed, the switch over occurs in the following order

+6 →+5 →............ +1 →±0 →–1 ............ –6.

When –6 is indicated, even if the button is pressed, the indicator does not change.

When the unit is not in AUTO mode:

Press MODE button.

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

Aim the remote control at the air-conditioner.

Press the ON/OFF button.

When it is a little cold

Press the button.

When it is a little hot

Press the button.

Operation capacity by your choice FAN SPEED

Set automatically by microcomputer AUTO

Powerful operation with high capacity HI

Standard operation MED

Energy-saving operation LO

About FAN SPEED

Press the FAN SPEED button.

Move the [ mark] to the desirable fan speed position.

NOTE

■You can choose the capacity of your air-conditioner when heating or cooling.

RKX012A014_En.p65 06.9.19, 9:33 AM6

–7–

COOL/HEAT/DRY mode operation procedure

Air flow direction adjustment procedure. Page 8

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 MODE select button.

Move the [ mark] to the desirable operation position.

(Cool), (Heat), (Dry)

Press the ON/OFF button.

Press the TEMP button.

Press or button for the desired temperature.

Standard

To stop: Press the ON/OFF button.

•

The air is not blown out during the operation.

Page18

NOTE

Air-conditioner operating conditions

■Use within the following operational range. Operating outside of this range may result in the protection devices being activated, preventing the

unit from working.

Outside temperature Approximately 21 to 43 °C Approximately -5 to 21 °C

Inside temperature Approximately 21 to 32 °C Approximately 15 to 30 °C

Below approximately 80%

The long-term use of the unit with a humidity level

exceeding 80% may result in condensation forming on the —

surface of the indoor unit, leading to water drips.

Characteristics of HEAT mode operation

Mechanism and capacity of HEAT mode operation

■Mechanism

•The unit draws in heat from the cold outside air, transfers it indoors and heats the room. The heating capacity of the heat pump mechanism decreases

when the outside air temperature gets colder.

•The hot air circulation system takes a while before warming up the room temperature.

•If the outside temperature becomes extremely low, it would be better to use an additional source of heating.

Defrosting

If the outside temperature becomes low and humidity is high, the heat exchanger in the outdoor unit may frost over, which prevents efficient heating.

If this happens, the automatic defroster is activated and during defrosting the heating operation stops for 5 to 10 minutes.

•Both indoor and outdoor fans stop and the RUN light (green) blinks slowly (1.5 sec. ON, 0.5 sec. OFF) during defrosting.

•The outdoor unit may give off some steam during defrosting. This is to help the defrosting process and is not a defect.

•The HEAT operation resumes as soon as defrosting has been completed.

Press the FAN SPEED button

Set the fan speed as desired.

Cooling operation Heating operation

Inside humidity

RKX012A014_En.p65 06.9.19, 9:33 AM7

–8–

Air flow direction adjustment procedure

Adjusting air flow direction

■Up/down direction can be adjusted with the AIRFLOW button on the remote control. Each time when you press this button the mode changes

as follows:

Change to AIRFLOW mode.

•When heating operation starts, the cold air outlet is blocked, so the flap move to the horizontal position, and resume the position that was set after the warm air

output begins.

•When the compressor stops because the room temperature is higher than the temperature setting and it is in DEFROSTING operation, the flap will be in the

horizontal position.

•The air flow direction cannot be set in the instances above. Change the air flow direction settings after the warm air starts flowing and it moves to the airflow

direction that had been set.

(Swing)

(Flap stopped)

NOTE

MEMORY FLAP (FLAP STOPPED)

Adjusting left/right air flow direction

CAUTION

Please stop the air conditioner when

adjusting the air flow direction.

When you press the AIRFLOW button once while the flap is operating, it stops swinging at an

angle.Since this angle is memorized in the microcomputer, the flap will automatically be set at this

angle when the next operation is started.

•Recommended angle of the flap when stopping

DANGER

•Avoid constant airflow to the body for hours on end.

CAUTION

•When in COOL or DRY operation, do not operate for hours on end with the air

flow blowing straight down. Otherwise, condensation may appear on the outlet

grill and drip down.

•Do not try to adjust the flaps by hand, as the control angle may change or the flap

may not close properly.

HEAT (Horizontal

blowing)

(Slant forward

blowing) COOL, DRY

Adjust the direction by moving the left/right

air flow fin by hand.

RKX012A014_En.p65 06.9.19, 9:33 AM8

–9–

■If this is pressed while the unit is off

SLEEP operation starts with the previous operation settings, and the air conditioning is

turned off after the time that has been set passes.

■If this is pressed while the unit is running

Each time the button is pressed, the indication changes as follows:

Example: You wish it to stop after 7 hours.

Set to

The timer light (yellow) is on.

•The unit stops at the end of the set period of time.

SLEEP operation procedure

■The unit stops automatically at the end of the set period of time.

The room temperature is automatically controlled when the set time lapses, so that the room does not become too cold during cooling or too warm

during heating. Page 11

No indication

(cancelled)

...

(Units of one hour)

Press the SLEEP button.

Releasing procedure

Press the CANCEL button to turn off the SLEEP indicator.

Changing of set time

Set to a new time by using SLEEP button.

•

Cannot be set at the same time as OFF-TIMER.

NOTE

OFF-TIMER operation procedure

■

The unit stops automatically at the end of the set period of time. If it is stopped, perform the operations starting with STEP 1 and if running start with STEP 2.

Example: You wish it to stop 22:30.

Press the ON/OFF button.

Press the OFF TIMER button.

OFF TIMER indicator is blinking.

Press the “or ”button.

Each time the button is pressed, the indicator is switched in the order of:

0:00 0:10 0:20

...

(Units of ten minutes)

1:00 1:10

Each time the button is pressed, the indicator is switched in the order of:

0:00 23:50 23:40

...

(Units of ten minutes)

23:00 22:50

Set at 22:30.

4Press the OFF TIMER button.

The indication changes from blinking to steady lighting and the setting is complete.

The timer light (yellow) is on.

•The unit stops at the end of the set period of time.

Press within

60 sec.!

Releasing procedure

Press the CANCEL button to turn off the timer indicator.

Changing of set time

Set a new time by using the OFF TIMER button.

NOTE

•The present time is not displayed during OFF-TIMER operation.

•Unlike SLEEP operation, automatic temperature adjustment is impossible during

OFF-TIMER operation.

RKX012A014_En.p65 06.9.19, 9:34 AM9

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