Hitachi RAS-18SH3, RAC-18SH3, RAS-10SH2, RAC-10SH2, RAS-14SH2 Instruction Manual

OUTDOOR UNIT

INDOOR UNIT

– 1 –

Instruction manual

Page 1~48

To obtain the best performance and ensure years of trouble free use, please read this instruction manual completely.

SPLIT TYPE AIR CONDITIONER

INDOOR UNIT/OUTDOOR UNIT

MODEL

ENGLISH

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RAS-1 SH3

RAS-18SH3/RAC-18SH3

8

RAC-1 SH

8

Для достижения наивысшей производительности и обеспечения длительной безаварийной
внимательно изучите данную инструкцию .

Инструкция по эксплуатации

стр.

49 ~9 6

работы

3

• Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.

• Pay special attention to signs of “

Warning” and “ Caution”. The “Warning” section contains matters which, if

not observed strictly, may cause death or serious injury. The “Caution” section contains matters which may result
in serious consequences if not observed properly. Please observe all instructions strictly to ensure safety.

• The signs indicate the following meanings. (The following are examples of signs.)

• Please keep this manual after reading.

PRECAUTIONS DURING OPERATION

WARNING

WARNING

SAFETY PRECAUTION

• Do not reconstruct the unit.
Water leakage, fault, short circuit or fi re may occur if you reconstruct the unit by

yourself.

• Please ask your sales agent or qualified technician for the installation of your unit.
Water leakage, short circuit or fire may occur if you install the unit by yourself.

• Please use earth line.

Do not place the earth line near water or gas pipes, lightning-conductor, or the

earth line of telephone. Improper installation of earth line may cause electric
shock or fire.

• Be sure to use the specifi ed piping set for R410A. Otherwise, this may result in
broken copper pipes or faults.

• A circuit breaker should be installed depending on the mounting site of the unit.
Without a circuit breaker, the danger of electric shock exists.

• Do not install the unit near a location where there is fl ammable gas. The outdoor
unit may catch fi re if fl ammable gas leaks around it. Piping shall be suitable
supported with a maximum spacing of 1m between the supports.

• Please ensure smooth fl ow of water when installing the drain hose.

• Make sure that a single phase 220V power source is used.

The use of other power sources may cause electrical components to overheat

and lead to fi re.

PRECAUTIONS DURING INSTALLATION

PROHIBITION

CONNECT EARTH LINE

PROHIBITION

WARNING

CAUTION

•

• Should abnormal situation arise (like burning smell), please stop operating the

unit and remove plug from the socket. Contact your agent. Fault, short circuit or
fi re may occur if you continue to operate the unit under abnormal situation.

• Please contact your agent for maintenance. Improper self maintenance may cause electric
shock and fi re.

• Please contact your agent if you need to remove and reinstall the unit. Electric shock or fi re
may occur if you remove and reinstall the unit yourself improperly.

PRECAUTIONS DURING SHIFTING OR MAINTENANCE

• Do not use any conductor as fuse wire, this could cause fatal accident.

• During thunder storm, disconnect the plug top and turn off the circuit

breaker.

• Do not put objects like thin rods into the panel of blower and suction side
because the high-speed fan inside may cause danger.

• Spray cans and other combustibles should not be located within a meter of the
air outlets of both indoor and outdoor units.
As a spray can’s internal pressure can be increased by hot air, a rupture may result.

PROHIBITION

PROHIBITION

PROHIBITION

PROHIBITION

“OFF”

“OFF”

This sign in the fi gure indicates prohibition. Indicates the instructions that must be followed.

PROHIBITION

– 2 –

Avoid an extended period of direct airflow for your health.

• Do not place plants directly under the airfl ow as it is bad for the plants.

• Do not direct the cool air coming out from the air-conditioner panel to face

household heating apparatus as this may affect the working of apparatus such
as the electric kettle, oven etc.

• The product shall be operated under the manufacturer specifi cation and not
for any other intended use.

PRECAUTIONS DURING OPERATION

CAUTION

• Do not attempt to operate the unit with wet hands, this could cause fatal
accident.

• When operating the unit with burning equipments, regularly ventilate
the room to avoid oxygen insuffi ciency.

• Please ensure that outdoor mounting frame is always stable, fi rm and without
defect. If not, the outdoor unit may collapse and cause danger.

• Do not wash the unit with water or place a water container such as a vase on
the indoor unit.

Electrical leakage could be present and cause electric shock.

• Be sure to stop the operation by using the remote controller and turn off the
circuit breaker during cleaning, the high-speed fan inside the unit may cause
danger.

• Turn off the circuit breaker if the unit is not be operated for a long period.

• Do not climb on the outdoor unit or put objects on it.

• When operating the unit with the door and windows opened, (the room

humidity is always above 80%) and with the air defl ector facing down or moving
automatically for a long period of time, water will condense on the air deflector
and drips down occasionally. This will wet your furniture. Therefore, do not
operate under such condition for a long time.

• If the amount of heat in the room is above the cooling or heating capability of
the unit (for example: more people entering the room, using heating equipments
and etc.), the preset room temperature cannot be achieved.

• Indoor unit cleaning must be performed by authorized personnel only. Consult

This appliance is not intended for use by young children or infirm persons unless they have been

Young children should be supervised to ensure that they do not play with the appliance.

your sales agent.

adequately supervised by a responsible person to ensure that they can use this appliance safely.

Using a commercially available detergent or similar can damage the plastic parts

or clog the drain pipe, causing water to drip with potential electric shock hazard.

• Do not touch the air outlet, bottom surface and aluminium fi n of the outdoor
unit.

You may get hurt.

Do not touch the refrigerant pipe and connecting valve.

Burns may result.

PROHIBITION

DON’T WET

PROHIBITION

PROHIBITION

PROHIBITION

DON’T TOUCH

“OFF”

PROHIBITION

PROHIBITION

PROHIBITION

PROHIBITION

PROHIBITION

DON’T TOUCH

STRICTLY OBSERVE

PRECAUTIONS

“OFF”

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ENGLISH

•

•

•

Drain Port (bottom)

Air Outlet

Discharges cool air when in heating
mode and warm air when in cooling
and dry cool modes, and warm or
cold air when in the dehumidifying
mode.

NAMES AND FUNCTIONS OF EACH PART

INDOOR UNIT

OUTDOOR UNIT

Signal Receiver

(internal)
Receive signal from the
remote control.

Indicator

Front Panel

(Page 8)

Horizontal/
Vertical Air Deflector

(internal)

Air Outlet

Remote Controller

Pipe/Wiring

Drain Hose

Drains dehumidified water generated from the indoor unit when in
the cooling, dehumidifying and dry cool modes.

Air Inlet (rear and left side)

噝 Even if the operation is stopped, the outdoor

unit fan continues to rotate for 10~60 seconds
to cool down the electrical parts.

噝 In heating operation, condensed water and

defrosted water is discharged from the outdoor
unit. Do not block the drain port as the water in
the drain may freeze in a cold area.

噝 Even during cooling operation, the water

condensed in the pipe, etc. may flow out from
the outdoor unit.

噝 When installing the outdoor unit under eaves,

etc. of the apartment, install a bush and drain
pipe on the drain port for drainage treatment.

ABOUT OUTDOOR UNIT

(Understanding The Operating Mechanism, page 39)

Earth Terminal
(side bottom)

噝 While the power is on, a very small amount of power is

consumed within the control circuit even when the unit
is not in operation.
Power can be saved if the circuit breaker is switched off.

CAUTION

Pull out the power plug if the unit is not in
use for a long period.
(Or turn off the circuit breaker.)

Infrared

Dynamic Air Deflection Sensor

Temporary Operation Switch

(Forced Cooling Switch)

When the remote
controller does not
work due to factors
like dead batteries,
you can press the
temporary operation
switch to start
temporary
operation. (Page 44)

– 4 –

Ion Mist Unit

Operation temperature of outdoor is -15ą to 43ą

Air Cleaning Mesh Box

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











Replace the air cleaning mesh box.

Dž“Make sure that it clicks into place.”
Dž“If it dose not click into place, abnormal sounds

may be heard or the box may fall off.”

Close the front panel.

Ą







INDOOR UNIT CONTROL PANEL / CLEANING UNIT

Open the front panel to operate. (How to open the front panel, page 8)

Dust Catcher

Collects the dust swept by
the cleaning unit. (At front
and top.) (Page 37)

Dust Box

Collects and keeps the dust
that has been cleaned.
(Page 34)

Stainless Mesh Filter

(inside)

Collects particulates and dusts in the air. (Page 35)

Air Cleaning Mesh Box

Preparation

Stop the air conditioner, and disconnect
the power supply (or turn off the circuit breaker).

Open the front panel.

Pull out the air cleaning mesh box as illustrated to
remove it.

Insert the air cleaning mesh into the slot as illustrated.

Connect the power cord (or turn on the circuit breaker).

Jaw

With the air cleaning mesh used, the air-conditioning capability will fall slightly.
Remove dust from the surface with a vacuum cleaner, and DO NOT clean it with water.
(We recommend you clean it once every 6 months and replace it once every 2 years.)

– 5 –

ENGLISH

Cleaning Unit

Cleans the dust

caught by the
stainless mesh

filter.

Wasabi-Nano Titanium Air Cleaning Mesh

How to Attach the Wasabi-Nano Titanium Air Cleaning Mesh

Transmission Indicator

The transmission indicator

ROOM TEMPERATURE
Button

Press this button to set the
room temperature. Keep
pressing and the value will
change more quickly.

STOP Button

HEAT Button

Press this button to start
heating operation.
(Page 14)

DEHUMIDIFY Button

Press this button to start
dehumidifying operation.
(Page 14)

COOL Button

Press this button to start
cooling operation.
(Page 15)

DRY COOL Button

Press this button to start dry
cool operation. (Page 16)

AUTO Button

Press this button to
start automatic operation.
(Page 13)

BUTTONS TO

START OPERATIONS

Remote controller can be used when it is fixed on a wall or pillar using the remote controller holder.

Before fixing it, make sure the indoor unit can be controlled from the remote controller fixing point.

SLEEP TIMER Operation Button

Press this button to start sleep timer
operation. (Page 29)

REMOTE CONTROLLER

Transmits the operation and timer settings to the indoor unit.

The LCD shown in the illustration below is the display immediately after the reset switch is pressed. Usually not
all the data are displayed. On the LCD shown below, the functions not available for this room air conditioner are
also displayed.

NAMES AND FUNCTIONS OF EACH PART (continued)

Transmission Part

HUMIDITY Button

Press this button to set the
humidity for dehumidify and
dry cool operations.

Screw

INFRARED HUMAN-PRESENCE
SENSING Button

Press this button to enter
the dynamic air deflection mode.
(Page 19, 20)

Press this button to start I on mist
operation.

– 6 –

Press this button to stop any
operation except the preset timer.

lit when a signal is sent.

ION MIST Button

(Page 18)

These are preset functions
except for

(SAVE).
Preset can be done if these
buttons are pressed while the
air conditioner is stopped,
however, the unit will not
function accordingly.

FUNCTION SELECTOR
Buttons

Each time when you press,
blinking changes in the
following sequence (page 12,
21, 22, 23):

ON/OFF Button

Use this button to set or cancel
the function selected by the
function selector.

FUNCTION SELECTOR

(When the door is open)

MANUAL CLEAN Button

Starts filter cleaning operation
while the air conditioner
operation is stopped. (Page 32)

FAN SPEED Button

VERTICAL AIRFLOW Button

Use this button to swing the
vertical air deflector or to adjust
the angle to your preference.
(Page 24)

HORIZONTAL AIRFLOW
Button

Use this button to swing the
horizontal air deflector or
to adjust the angle to your
preference. (Page 25)

SET TIME Button

Use this button to set and
check the current time.
(Page 11)

TIMER Buttons

RESET Button

Press this button after the
batteries are replaced and
when the air conditioner does
not function properly. (Page 11)

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POWERFULL Button

Press this button to start
powerful operation. (Page 18)

MANUAL/AUTO Button

Press this button to switch
between auto/manual
dehumidifying and dry
cool operation. (Page 17)

DYNAMIC AIR DEFLECTION
Button

Press this button to start
dynamic air operation.
(Page 20)

– 7 –

ENGLISH

Press this button to
select fan speed.

Four options are available:
Auto, H i, M ed,L ow,and Silent.





















•

2



•

Take out the anti-mold wasabi
cassette from the aluminium bag.

Do not remove or tear
the aluminium sheet on
the surface nor make a
hole on it.

•

Remove the dust box housing

Dust Box Housing

Dust Box Housing

Handle

INSTALLING ANTI-MOLD WASABI CASSETTE

Open the front panel.

• Do not hold the movable panel

when opening and closing the
front panel.

Front panel

Gripping part

Gripping part

Panel support

• Hold and lift up the front panel.

•

Push up the panel support until it
clicks to lock it.
Lower the front panel and fix in
position with the panel support.

Install the anti-mold wasabi cassette.

Aluminium bag

Slide the anti-mold
wasabi cassette that
has been taken out of
the wrapper directly
into the Dust Box
Housing.

CAUTION

• Do not put your face close to the package when
you open it.

Your eyes or nose may be irritated by wasabi aroma.

• Do NOT eat.

1

No daily maintenance is required. However,
the effectiveness of anti-mold wasabi cassette
will be lost after approximately 10 years have
elapsed. Replace the anti-mold wasabi cassette
in such event.



この中に「防カビわさびカセット」が入っています

●製品の取扱説明書を確認して確実に取り付けてください。

●開封時は顔を近づけないでください。

 わさびの香り成分で、目や鼻に刺激を感じることがあります。

●「防カビわさびカセット」の表面のアルミシートを

 はがしたり、破ったり、穴をあけたりしないでください。

「防カビわさびカセット」の効果がなくなります。

●食べられません。

注

意



CAUTION

•

Do not open the front panel during operation

.

It may interrupt the movable panel to work properly.
Be sure to stop

the operation first before opening

the front panel.

Anti-mold wasabi
cassette

– 8 –

DEUTSCH



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Close the front panel.

• Hold and lift up the front panel.

CAUTION

• If the front panel is loose, it may come off and drop.

• When opening the front panel upwards, please do not use excessive force.

If the front panel comes off the device, this may cause it to malfunction.

• When the front panel remains open, be sure to push up the panel
support.

•

Push down the panel support until it clicks.

Push the both ends of the front panel first and
then its center until it clicks.

•

Pull it downward.

3

– 9 –

ENGLISH

FILTER CLEANING UNIT OPERATION CHECK

Make sure the power plug is firmly plugged into the power outlet.

WARNING

• Be sure to use the power outlet exclusively for
air conditioner

Use of other power outlet may cause heat, which

could result in fire.

• Make sure that dust is not deposited on the
power plug and be sure to plug in until the blades
of the plug are fully inserted to avoid unstable
plug-in

and dust from being accumulated

Use of air conditioner with dusty power plug or

improper power connection could result in electrical
shock or fire.

CAUTION

Do not operate with
wet hands

It may cause electric
shock.

Compulsory

Wet Hand

Prohibited

Performing operation check after the power is turned on.

Perform the filter cleaning unit operation check

• After the power is turned on (after the power plug is inserted into the power
outlet or after the circuit breaker is switched on after power failure), the

cleaning unit makes one cycle of back and forth movement.

• At this time, the

(CLEAN) indicator is lit.

• One cycle of operation check will take approximately 5 minutes.

• During the operation check, the unit performs “Fan” operation while the movable

panel and horizontal air deflector remain closed.

• If the

(CLEAN) indicator blinks (lit for 4 seconds/off 1 second) after the

operation check, refer to “Troubleshooting” on page 44.

Cleaning Unit

There is a filter cleaning wiper inside.

Dust catcher

CAUTION

Do not put your fingers or a stick etc into the top surface during
the filter cleaning operation

It may result in injury or malfunction.

• The illustration shows the unit without front
panel for your reference only.

1

2

Compulsory

7(0325$5<
6:,7&+

– 10 –

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DEUTSCH

Address

Address

PREPARE THE REMOTE CONTROLLER

Install the batteries.

• Use two AAA-size batteries.

Set the current time (Ex: set to 1:30 p.m.)

RESET

1

2

Press the (TIMER) button to adjust to the current time.

• You can fast forward the time by continuously pressing the
button.

Confirm the current time

• Press the

(SET TIME) button to check the current time
(The time display disappears 3 minutes later). If necessary,
readjust the time following the above procedure 1 and 2.

• Address selector switch is used to prevent
remote controller signal interference in such
circumstance where 2 indoor units are used in
the same room. This switch is not usually used.
(The factory setting is at “A” side.)

For this setting, please make an inquiry to your

sales agent.

Address selector
switch

Switch lever

Remote controller

backside

Do not operate by yourself.

Push mark
and pull.

ABOUT ADDRESS SELECTOR SWITCH

Time is incremented

Time is decremented

Press

(SET TIME) button to set the current time.

• “AM” or “PM” is lit instead of
blinking. It automatically goes
off in 10 seconds.

1

2

Open the cover and press the RESET
button with a sharp tip item.

3

• 18:88 lights up on the current
time display and “AM” and
“PM” start blinking.

CAUTION

1. Do not mix new and old batteries, or
different type of batteries together.

2. Remove the batteries when you do
not use the remote controller for 2 or 3
months.

DEUTSCH

– 11 –

ENGLISH

1

While (SAVE) is blinking, point the remote controller towards
the unit and press the (ON/OFF) button.

• A short beep sounds and

(SAVE) indicator turns on.

Press the (FUNCTION SELECTOR)
button until

(SAVE) blinks.

Press the (FUNCTION SELECTOR) button again until
(SAVE) blinks.
While

(SAVE) is blinking, point the remote controller towards

the unit and press the (ON/OFF) button.

• A short beep sounds and

(SAVE) indicator turns off, indicates

the setting is released.

Notes for “save” setting

• If ampere is set to “Save”, the maximum heating capacity slightly lowers
and starting up of heating operation will take a little longer. Besides,
the preset temperature may not be reached if outside temperature is
low.

• Point the remote controller to the signal receiver of the unit
Signal reception distance is approximately 7m in front of the unit.

However, this distance may be shorter or the signal may not be
receivable if there is an electronic lighting device in the same room.

• Handle the remote controller with care
Dropping it or getting it wet may compromise its signal transmission

capability. After new batteries are inserted into the remote controller,
the unit require approximately 10 seconds before it can respond to
commands and begin operation.

WHEN OPERATING THE REMOTE CONTROLLER

Approximately
7m from the front

PREPARE THE REMOTE CONTROLLER (continued)

Ampere setting (Standard/Save) can be selected.

If you experience frequent circuit breaker tripping, set ampere to “Save” to avoid this problem.
(Ampere is set to “Standard” at the time of purchase.)

4

2

RELEASE

– 12 –

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AUTOMATIC OPERATION

•

•

•

nj

1

2

2

1

7(0325$5<
6:,7&+

Based on the room temperature and outside temperature, the unit determines the most suitable operation
mode (heating, dehumidifying or cooling) and a comfortable temperature. (Set the current time on the remote
controller before starting operation.)

Press the (AUTOMATIC OPERATION) button

to set the operation mode to auto.

•

Every time you press it, the mode will change as
shown in the chart on the right.

Press the (STOP) button.

Press the (STOP) button again.

A short beep sounds and the automatic
operation stops.
Operation mode will be displayed on the
remote controller display.

Increase

Decrease

Adjust the room temperature

Press the (ROOM TEMPERATURE)
button.

• Every time you press it, a short beep sounds and the
temperature will change by 1°C.

•

is displayed if the temperature is set higher than

the automatically set room temperature by 1°C.

is displayed if the temperature is set lower than the

automatically set room temperature by 1°C.

• The adjustable temperature range is not higher or lower
than 3°C of the automatically set room temperature.

• Humidity setting cannot be adjusted.

Select the fan speed

Press the (FAN SPEED) button.

• “AUTO”, “LOW” and “SILENT”
can be selected.

• Every time you press it, the
mode will change as shown in
the chart on the right.

Beep

STOP

• Performs heating operation when the room temperature is below 23°C.
Set the temperature to be around 23°C.

• Performs dehumidifying operation when the room temperature is 23~26°C.
The preset temperature will be the room temperature at the time of start of air conditioner

operation.

• Performs cooling operation when the room temperature is above 27°C.
Set the temperature to be around 27°C.

Room temperature and fan speed can be adjusted to your preference.

AUTOMATIC OPERATION

Heating

Dehumidifying

Cooling

Even if dehumidifying operation is set, the air conditioner may not execute dehumidifying if the room humidity

is not very high. This is not a malfunction.

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– 13 –

ENGLISH

•

•

•

HEATING OPERATION

Press the (HEAT) button to start heating operation.

Press the (HEAT) button.

• Adjust the room temperature and fan speed to your preference.

Temperature range between 16°C~32°C can be set.

Press the (STOP) button.

A short beep sounds and heating operation stops.

STOP

DEHUMIDIFYING OPERATION

3 types of dehumidifying operations can be performed by pressing the (DEHUMIDIFY) button.
Performs powerful dry operation without lower down the room temperature.

Press the (DEHUMIDIFY) button.

• Every time you press the (DEHUMIDIFY) button,
the mode will change as shown in the chart below.

Condensation

Control

Auto

Dehumidifying

Quick

Laundry

(“AUTO” flashes for 5 seconds)

•

In auto dehumidifying mode, fine adjustment of room temperature, humidity
adjustment and fan speed selection can be made to your preference.

Every time you press the ROOM TEMPERATURE button, the temperature will change

by 1°C. (Temperature setting range is not higher or lower than 3°C.) Every time
you press the HUMIDITY button, the humidity will change by 5%. (Humidity setting
range is 40%~70%.)

• In quick laundry mode, fine adjustment of room temperature and fan speed

Press the (STOP) button.

• A short beep sounds and dehumidifying operation stops.

STOP

• After the dehumidifying operation is stopped, the remote controller will display the

operation mode that had been set before the (DEHUMIDIFY) button was
pressed.

ENGLISH

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– 14 –

selection can be made to your preference. (Fine adjustment of room
temperature and humidity adjustment cannot be made in condensation
control mode.)

DEHUMIDIFYING OPERATION (continued)

Auto

Dehumidifying

Operation modeIn this situation

Operating mechanism

• In damp
weather

• In most of the cases, the room temperature at the time the button is
pressed becomes the preset temperature.

(

When room temperature is below 12°C, set 13°C. When it is

13°C~22°C, set +2°C. When it is below 23°C~26°C, set room
temperature. When it is above 26°C, set 26°C)

•

Target humidity is around 50~60%. If the humidity becomes lower than
the target value, operation stops. If it becomes higher than the target
value, operation resume.

• The operation mode may automatically be switched to cooling or
heating for temperature control. (Refer to table below)

• To dry the
laundry
quickly

• Detects outdoor temperature, room temperature and humidity to
automatically select the most suitable combination of heating and
powerful dehumidifying operations.

• This operation is performed together with stainless plasma air purifying
operation.

• Priority is given to laundry drying.

Be sure use this mode when no one is in the room as the room

temperature and humidity will be high temporarily.

• 3-hour timer function is used for this operation mode.

• When

controlling
condensation
formed on
windows in
winter time

• To control the condensation, priority is given to the operation for
lowering humidity.

Therefore, the room temperature goes down in
this operation mode. The operation stops if the room temperature
becomes 1°C or below.

• 2-hour timer function is used for this operation mode.

Condensation

Control

Quick Laundry

• Be careful when condensation control operation is performed if the outside temperature is low as it will lower the
room temperature.

• (OFF TIMER) and (ON TIMER) (page 26), which are to be set using clock function, are not available during
dehumidifying (quick laundry and condensation control modes) operation. However, the timer (for 30 minutes
and 1-9 hours) can be set for quick laundry and condensation control modes with the (SLEEP) button.

• To set to your desired temperature and humidity while executing dehumidifying, it is recommended to use manual
dehumidifying function. (Page 17)

• If you do not wish room temperature to be too high when drying the laundry, use the preference (Powerful) mode
instead of quick laundry mode. (Page 18)

The operation mode may automatically be switched to cooling or heating for temperature control.
At this time, the room humidity may vary by approximately 10%.

Heating

operation

Dehumidifying operation

Operation

stop

Cooling

operation

About 3

°C

Approx. 3°C if outside temp. is
below approx. 32°C.
Approx. 1°C if outside temp. is
above approx. 32°C.

Room temperature set

Current room temperature

1ºC

COOLING OPERATION

Press the (COOL) button to start cooling operation.

Press the

(COOL) button.

• Adjust the room temperature and fan speed to your preference.

Temperature range between 16°C~32°C can be set.

Press the

(STOP) button.

• A short beep sounds and cooling operation stops.

STOP

– 15 –

ENGLISH

•



If you want to set the desired temperature and humidity during dry cool operation, we recommend
you use the manual cooling operation. (Page 17)

STOP

DRY COOL OPERATION

When you operates cooling operation with the dry function, press the (DRY COOL) button, the air conditioner
automatically sets temperature and humidity in dry cool mode.

Press the (DRY COOL) button.

•

Adjust the room temperature and fan speed to your preference.

• Every time you press the (ROOM TEMPERATURE) button, the
temperature will change by 1°C.

(Temperature setting range from the auto set temperature is not higher or

lower than 3°C.)

Press the (STOP) button.

• A short beep sounds and dry cool operation stops.

Humidity

to be set

Temperature

to be set

Based on the detected outside and room temperature,
the temperature is set on an hourly basis within the range
of 24~28°C.

• Even if the room temperature
reached the preset temperature,
the air conditioner may continue
to operate if the preset humidity
has not been reached.

50% when temperature above 27°C is set.
55% when temperature of 26°C is set.
60% when temperature below 25°C is set.

Dry

intermittent

operation

Dry cool operation

Operation

stops

Cooling

operation

About 3ºC

Approx. 3°C if outside temp. is
below approx. 32°C.
Approx. 1°C if outside temp. is
above approx. 32°C.

Room temperature set Current room temperature

About 1ºC

The operation mode may automatically be switched to cooling or heating for temperature control.
If the room temperature is lower than the preset temperature, intermittent operation (repeat of operation state
and stop state) is performed to avoid excessive lowering of temperature and to control the humidity.

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ĄThe default setting is AUTO.

DžAdjustment Range of Dehumidifying Operation

Room Temperature

Room Temperature

Humidity

Humidity

Automatically adjusted in the
range of

50% to 60%

Auto-controlled
temperature

±3°C

Auto-controlled
temperature

±3°C

Auto dry cool
operation

Manual dry cool
operation

DžAdjustment Range of Dry Cool Operation

Setting Range of AUTO/MANUAL Operation

•

•

Press the AUTO/MANUAL button.

Example: Dehumidifying

Indicates

MANUAL

40％～70％



40％～70％

40％～70％

SWITCHING　BETWEEN AUTO/MANUAL DEHUMIDIFYING/DRY COOL OPERATION

The AUTO/MANUAL button allows you to set the temperature and humidity manually during

dehumidifying/

dry cool operation.

operation

operation

10°C~32°C

16°C~32°C

– 17 –

ENGLISH

Switches to the manual mode if the machine is working in the auto

dehu

midifying/dry cool operation.

Switches to the auto mode if the machine is working in the manual

dehu

midifying/dry cool operation.

Auto dehumidifying

Manual dehumidifying

噝Ion mist operation is the combined operation mode of the fan operation

and moisturizing operation.

噝If the Ion mist mode is set while the air conditiconer is in basic operation mode, the air purifying function by

the electric dust collector will operate together.

Press the (ION MIST) button.

噝Adjust the fan speed to your preference. “HI”, “MED”, “LOW”, “SILENT”

can be selected.

噝When only Ion mist operation is set,

and (ON TIMER) preset cannot be done.

(OFF TIMER)

Press the (STOP) button.

噝A short beep sounds and Ion mist

operation

stops.

STOP

Press the (ION MIST) button.

CANCEL

during

operation

POWERFUL OPERATION

噝

噝The airflow will be extended so that the air can reach even further during powerful operation.

(Extended Airflow)

Press the (POWERFUL PERATION) button during operation.

噝A short beep sounds and the preference (Powerful) operation starts.
( POWERFUL) indicator lit on the remote controller.)

CANCEL

Press the (POWERFUL PERATION) button again.

噝 POWERFUL) indicator turns off on the remote controller.

Operation modeIn this situation

Operating mechanism

Heating

噝 When you want the room to be

a little warmer

噝 Set approximately 2°C higher than the preset

temperature. Powerful heating operation is
performed.

Cooling

噝 When you want a little cooler

air

噝 When you want the room to be

a little cooler

Auto Dehumidifying

噝 When you want to remove

humidity a little faster

噝 Laundry drying efficiency is enhanced.

噝 Condensation-control efficiency is enhanced.

Dehumidifying

噝 Set approximately 3°C lower than the preset

temperature. Powerful cooling operation is
performed.

噝 High speed dehumidifying operation is performed

aiming to achieve humidity of approximately 40%.

Condensation

Control

Quick Laundry

By pressing the (POWERFUL PERATION) button during auto, heating, dehumidifying, cooling or stainless
plasma air purifying operation, the air conditioner performs the “Powerful” operation.

ION MIST OPERATION

– 18 –

, the electric dust collector operation

,,,

Example: Cooling

With the infrared sensor, the air conditioner can detect the activity level in a room and adjust the temperature
and humidity automatically, thus achieving the purpose of energy saving.

Press the INFRARED SENSOR button.

The infrared sensor automatically adjusts the
indoor temperature and humidity according to
the activity level in the room. However, the
temperature

and humidity specified by the

remote controller remain unchanged.

1

•

The energy saving effect can be achieved only after the energy-saving temperature control function keeps

working
for more than 2 hours.
In the energy-saving temperature-control mode, the energy consumption saved by the air conditioner varies with
the activity level.

•

INFRARED HUMAN PRESENCE SENSING FUNCTION

•

Sensor in operation

Operation mode

Reduces the preset temperature
in one of the following cases:

Operation Description

Heating

Cooling

Auto

Dehumidifying/Dry Cool

Dehumidifying/Dry Cool

Operation mode Actions in case of no person

eDecreases the temperature by 2°C.

eIncreases the temperature by 2°C .

eIncreases the temperature by 5–10%.

eEnergy-saving operation in auto mode.

•

•

•

●

●

●

●

·

·

Auto

Cooling

Heating

·

·

•

•

Raises the preset temperature
in one of the following cases:

Low activity level
Low indoor temperature

•

•

Increases the preset temperature
in one of the following cases:

Energy-saving operation in auto
mode.

The infrared sensor detects changes to the infrared generated by human bodies. Therefore, the accuracy

of infrared

sensor may be affected negatively in the following cases:

e

e

The activity level is very low (reading, watching TV, etc.) or human bodies are blocked by a screen, cabinet, or glass board.

eeThe indoor temperature is very high and exceeds or approaches the human body temperature (when the refrigeration

just begins).

e

e

The person wears thick clothes and turns his/her back to the air conditioner.

eeCurtains or plant leaves swing due to pet movement or airflow.

Low activity level
Low indoor temperature

•

•

The tracing function (Page 20) can further reduce the energy consumption.
After detecting that the person leaves the room for 30 minutes, the air conditioner turns to the energy-saving modes
according to the settings in the remote controller as shown in the right table, but the preset temperature and humidity
in the remote controller remain unchanged.
When the air conditioner works in powerful operation, setting the energy-saving mode will cancel the powerful operation.

High activity level
High indoor temperature

– 19 –

ENGLISH

DYNAMIC AIR DEFLECTION FUNCTION (TRACING/EVASION)

The infrared sensor can detect the position of people and automatically change the airflow direction.

Press the AUTO AIR DEFLECTION button to switch the air deflection
mode.

ƽHow to change the detection speed of the sensor of the dynamic air deflection (tracing/evasion) function:

e

There are 2 detection speeds: “Standard” (by intervals of 15"–3') and “Slow” (by intervals of 1'–10').

e

The remote controller is set to the standard speed by default.

e

When the detection speed of the sensor is too high, set the detection speed to “Slow”
(when people and pets in the room behave frequently, resulting in frequent changes to the airflow direction).

e

After the dynamic air deflection mode is set, the sensor usually works once every 15 seconds to 3 minutes to
detect the position of the person and adjusts the airflow direction accordingly.
(The airflow direction does not change with the movement of human body immediately.)

e

If the dynamic air deflection mode fails to achieve the desired effect, adjust the airflow direction manually.

e

When the machine works in cooling, dehumidifying, or dry cool operation after the dynamic air deflection is set,
if the indoor humidity/temperature is very high, the left/right/upper/lower air deflectors may change their angles
to prevent drop of condensed water. After the temperature falls, the air conditioner returns to the dynamic air
deflection status.

1

e(Tracing) Adjusts the airflow direction

automatically to send the air flow to
the location of the person.

e

(Tracing) Adjusts the airflow direction
automatically to keep the air flow away
from the location of the person.

e

Return to the setting prior to the dynamic
air deflection mode.

Pressing the

DYNAMIC
AIR DEFLECTION
button

Release the
Dynamic Air
Deflection button

Operation Description

Example: Heating









Hold down after the running stops

Select the desire setting.

(Finely tuned within +3 to -3. The indicator turns off 10 seconds later)

Press the (STOP) button eThe settings are saved.

Set the detection speed of the sensor to “Slow”.

After the running stops, hold down for more than 5 seconds while pressing and holding .

e

At this time, the air conditioner beeps for signal receiving.

e

Return to the “Standard” mode by repeating the above procedure (until the air conditioner beeps for
signal receiving).

In addition to “Standard” and “Slow” modes, you can also fine tune the detection speed of the sensor.

Fine tune the detection speed of the sensor

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2

1



INTERNAL CLEANING OPERATION

The internal cleaning operation is automatically performed after cooling, dehumidifying or dry cool operation to
control mold growth by configuring the (INTERNAL CLEAN) operation. (There is no mold removing function
and disinfecting/sterilizing effect.)

Press the (FUNCTION SELECTOR) button
until (INTERNAL CLEAN) blinks.

While (INTERNAL CLEAN) is blinking, point the remote controller
towards the unit and press the (ON/OFF) button.

• A short beep sounds and (INTERNAL CLEAN) indicator turns on
at the remote controller.

Press the (FUNCTION SELECTOR) button again until
(INTERNAL CLEAN) blinks.
While (INTERNAL CLEAN) is blinking, point the remote controller

towards the unit and press the (ON/OFF) button.

• A short beep sounds and (INTERNAL CLEAN) indicator turns off
on the remote controller.

• Internal cleaning operation is not performed if the duration of cooling, dehumidifying or dry cool operation is

too short (below approximately 10 minutes).

• If the internal cleaning mode is set, the internal cleaning operation will automatically start when cooling,

dehumidifying or dry cool operation is stopped. During internal cleaning, the heating operation and fan operation
(with stainless plasma air purifying) are performed to control the mold growth inside the indoor unit.

• While (ON TIMER) is set, internal cleaning operation is not performed from 2 hours before the preset

time.

• Internal cleaning operation is not performed if the air conditioner operation is stopped in any of the following

conditions below.

(heating operation, stainless plasma air purifying operation, quick laundry operation and (OFF TIMER) stop

under condensation control operation, operation stopped by

(SLEEP) button.)

ENGLISH

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ENGLISH

STOP

1

2

By configuring (SLEEP) operation while the sleep timer is set for auto, heating, dehumidifying, cooling and
dry cool modes, the air conditioner supports your comfortable sleeping environment.

Press the (FUNCTION SELECTOR) button
until (SLEEP) blinks.

While (SLEEP) is blinking, point the remote controller towards the unit
and press the (ON/OFF) button.

• A short beep sounds and (SLEEP) indicator turns on on the remote
controller.

Press the (FUNCTION SELECTOR) button again until (SLEEP)
blinks.
While (SLEEP) is blinking, point the remote controller towards the

unit and press the (ON/OFF) button.

• A short beep sounds and (SLEEP) indicator turns off on the remote
controller.

STOP

• When in cooling operation, the temperature and humidity will be controlled in combination with dehumidifying

operation.

• When in dehumidifying or dry cool mode, temperature is controlled to a comfortable level with the preset

humidity target level of 60%.

• When in heating operation, temperature is controlled in the same manner as ordinary sleep mode.

• When in automatic operation, a control is executed according to the operation mode set by the auto

function.

– 22 –

SLEEP OPERATION

 









1

2

The air conditioner detects indoor temperature and humidity. Once the temperature and humidity reaches to a
level conductive to mold growth, the dehumidifying and stainless plasma air purifying operations automatically
start.

Press the (FUNCTION SELECTOR) button until

(MOLD MONITOR) blinks.

While (MOLD MONITOR) is blinking, point the remote controller
towards the unit and press the (ON/OFF) button.

• Preset the mold monitor operation.

• During the mold monitor operation, (ON/OFF) and (MONITOR)

indicators on the indoor unit turns on.

Press the (FUNCTION SELECTOR) button again until
(MOLD MONITOR) blinks.
While (MOLD MONITOR) is blinking, point the remote controller

towards the unit and press the (ON/OFF) button.

• A short beep sounds and (MOLD MONITOR) indicator

turns

off

on the remote controller.

• The (MONITOR) indicator on the indoor unit turns off.

CANCEL

• Mold monitoring operation is a preset function. Even if mold monitoring mode is preset, the actual operation

will be performed only when the detected temperature and humidity has reached the level conducive to mold
growth.

• The setting of mold monitoring mode is valid for 2 weeks from the last remote control operation.
(If any remote control operation is performed while (MOLD MONITOR) is set, the preset mold monitoring

mode is valid for 2 weeks from such remote control operation.)

Once the above mentioned 2 weeks have elapsed, the (MONITOR) indicator on the indoor unit turns

off.

(However,

(MOLD MONITOR) indication on the remote controller remains on. If the (MONITOR)

indicator on the indoor unit is off, please reset or cancel the mold monitoring mode.)

• When mold monitoring mode is set, the fan operation is performed for approximately 3 minutes once every

approximately 20 minutes and the room temperature and humidity are detected.

(The movable panel and horizontal air deflector remain closed when temperature and humidity are

detected.)

• In the first cycle of mold monitoring operation, dehumidifying operation is performed for 4 hours consecutively

if the detected temperature and humidity are 10°C and more and 70% and more, respectively. From the
second cycle onwards, dehumidifying operation is performed if the detected temperature and humidity reach
the above mentioned level and will stop once the humidity has gone down.

• For the duration of 20 minutes after mold monitoring operation temporarily stops, the mold monitoring operation

is not performed immediately even if mold monitoring mode remains set and the humidity exceeds 70%.

• There is no function to remove mold that has grown.

– 23 –

ENGLISH

MOLD MONITOR OPERATION

60°

15°

10°

50°

ADJUSTING THE VERTICAL AIRFLOW DIRECTION

Please operate with the remote controller. (Moving by hands may cause malfunction.)

Cooling

operation

Heating

operation

Dehumidifying/

Dry Cool operation

About

About

About

Set automatically

• Air conditioner automatically set to the suitable
angle for each operation (Horizontal air deflector
only. The angle of the vertical air deflector is set to
the front). Usually vertical airflow direction control
is not required.

• If room temperature and humidity continue to be
high during cooling, dehumidifying or dry cool
operation, the angle of horizontal air deflector may
change to prevent dripping of condensed water.

Swing

angle

About

Horizontal

Vertical airflow swing

• When the (VERTICAL AIRFLOW) button is pressed,
a short beep sounds and the vertical air deflector repeats
swinging.

• When the air conditioner stops operation, the swing of the
vertical air deflector also stops and the air outlet closes.

• If the operation resumes, the vertical air deflector is
automatically set to the suitable angle for each operation.

• Even if the swing mode is set, the vertical air deflector may
stop swinging depending on the room temperature and
humidity. (Page 25)

(It may take approximately 10 seconds for the air deflector

to start moving. This is due to the checking operation to set
the air deflector to the correct angle.)

Vertical air flow of your preference

• To set the vertical airflow direction to your desired angle, press the (VERTICAL
AIRFLOW) button to move the vertical air deflector, and press the (VERTICAL
AIRFLOW) button again to stop air deflector at your desired angle.

Press the (VERTICAL AIRFLOW) button.

• A short beep sounds and the vertical air deflector repeats swinging.

(Vertical airflow swing)

Press the (VERTICAL AIRFLOW) button again at your preferred angle.

• The swing stops at the position where the button is pressed.

• The air outlet closes if the operation stops. The horizontal air deflector will return to

the preset position when the operation resumes.

• If the operation mode is changed, the horizontal air deflector will automatically be
set to the proper angle suitable for the newly set mode.

CAUTION

DO not operate long hours with cooling, dehumidifying, dry operation, airflow swing operation nor
the vertical air deflector in downward state.

Some dew may form on the vertical air deflector and drop which may wet your furniture.

ENGLISH

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– 24 –

•

 

The movements of the left and right air deflectors displayed in the remote controllers
are not synchronous with movements of the actual air deflectors.

ADJUSTING THE HORIZONTAL AIRFLOW DIRECTION

Adjust the horizontal airflow direction

• The angle of horizontal airflow direction is set to the front at the
time of purchase.

• Every time the button is pressed, the mode of the horizontal air deflector
changes as below.

• A short beep sounds and the angle of the horizontal air deflector changes.

Front

Horizontal

swing

preferred angle

Horizontal angle of your preference

• • To set the horizontal airflow direction to your desired angle, move the

horizontal air deflector and press the (HORIZONTAL AIRFLOW) button
again to stop air deflector’s movement once it has reached your desired
angle.

Press the (HORIZONTAL AIRFLOW) button again to fix your preferred
angle during horizontal airflow swing.

• Fan speed may be increased depending on the angle of the horizontal air
deflector.

• Even if the horizontal airflow direction has been adjusted to your desired
angle, the angle of horizontal air deflector may change in the event the room
temperature and humidity continue to be high during cooling, dehumidifying
or dry cool operation. The angle will change back to your desired angle once
the temperature and humidity have been lowered by the air conditioning
operation.

CAUTION

Do not operate long hours with cooling, dehumidifying, dry cool operation and horizontal airflow swing
operation.

Some dew may form on the horizontal air deflector and drop which may wet your furniture.

In the following cases, the swing stops even when vertical swing and horizontal swing are set.

In Heating operation In Dehumidifying operation In Dry Cool operation

• During preheat operation.

• During defrost operation.

• When the room temperature

reaches the temperature which
had been set.

• When the humidity is reached
to the humidity which has been
set.

• When the room temperature is
below 1°C.

• When the temperature is below
the temperature which has been
set and the operation is stop.

The movement scope of the left/right air deflectors are set to the following
5 positions:

– 25 –

ENGLISH

TIMER PRESET OPERATION

How to preset the timer

1

3

2

3 types of timers, (OFF TIMER) (ON TIMER), (OFF TIMER) and (ON TIMER) are available. Only
one of these timers can be preset at a time.

Operation mode, temperature, humidity and fan speed, etc. must be set before setting the timer.

For

(OFF TIMER) preset

• When

(OFF TIMER) is set, the operation stops at the preset time.

For

(ON TIMER) preset

• When

(ON TIMER) is set, the operation starts so that the preset temperature is reached at the preset time.

• The air conditioner starts operation a maximum of 60 minutes before the preset time, depending on conditions
including room temperature and preset temperature.

How to preset the (OFF TIMER) (ON TIMER)

(For example: When setting the timer to stop operation at 10:30 p.m. and your desired temperature is reached at
7:00 a.m.)

• The timer with earlier preset time will function first, based on the time at which the timer is set.

Press the

(OFF

TIMER) button.

•

(OFF TIMER) blinks.

• 0:00 a.m. or the previous preset
time is displayed.

Press the

(TIMER)

button to set the time.

• Time can be set in increments
of 10 minutes.

• The time can be fast-forwarded
by continuously pressing the
button.

Time is incremented

Time is decremented

Press the

(PRESET)

button.

• A short beep sounds and the
(OFF TIMER) is set.

•

(OFF TIMER) indication

stops blinking and lights up.

(TIMER SET) will be

displayed.

• The

(TIMER) indicator on the

indoor unit lights up.

• To change the preset time for
(OFF TIMER) ,return to

procedure and press the
(OFF TIMER) button.





4

5

6

How to cancel the preset timer

Press the (CANCEL) button.

(All the preset timer will erase)

•

(OFF TIMER) / (ON TIMER), which are to be set using the clock function,

cannot be set during the operation set by the

(AIR

during the quick laundry or condensation control mode

PURIFYING) buttons or

operation.

under (DEHUMIDIFY)

• As the time settings are stored in memory in the remote controller, just press
the

(PRESET) button in order to use the same settings next time.

Press the

(ON

TIMER) button.

•

(ON TIMER) blinks.

• 6:00 a.m. or the previous preset
time is displayed.

•

display indicates the

sequence of

(OFF TIMER)

and

(ON TIMER) function.

Press the

(TIMER)

button to set the time.

• Time can be set in increments
of 10 minutes.

• The time can be fast-forwarded
by continuously pressing the
button.

Time is incremented

Time is decremented

Press the (PRESET)
button.

• A short beep sounds and the
(ON TIMER) is set.

•

(ON TIMER) indication stops

blinking and lights up.

(TIMER SET) will be

displayed.

• The

(TIMER) indicator on the

indoor unit lights up.

• To change the preset time

for

(ON TIMER) ,return to
procedure and press the
(ON TIMER) button.

ENGLISH

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– 27 –

ENGLISH



1

2

FURTHER CONVENIENT TIMER FUNCTION

Dehumidifying (Condensation control) operation and

(ON TIMER) for heating operation can be set at the
same time.
Dehumidifying (Condensation control) operation controls the condensation which may occur in the morning
while

(ON TIMER) for heating operation warms up the room by the time you wake up.

Combination of (ON TIMER) and (DEHUMIDIFY) button

• Dehumidifying (Condensation control) operation and (ON TIMER) for heating operation for the next morning
can be set in combination before you go to sleep.

 The display below is shown in the case where

(ON TIMER) is set for heating operation and then

dehumidifying operation (Condensation control) is executed at 11:38 p.m.

Preset the

(ON TIMER).

• When

(ON TIMER) is set, the air conditioner starts
operation so that the preset room temperature is
almost reached at the ON TIMER time. Check the
settings of the air conditioners when you set the timer.
(Page 26, 27)

Press the

(DEHUMIDIFY) button.

(

symbol is displayed)

• The dehumidifying (Condensation control) operation
stops at 1:38 a.m, two hours after the start of the
dehumidifying operation, and the heating operation
starts in order to reach the preset temperature by
6:00 a.m.

– 28 –

1

2

SLEEP TIMER OPERATION

Configuring the fan speed appropriate for sleeping and stop the operation at specified time.

 The display below indicates sleep timer which is set for 2 hours at 11:38 p.m. and the turn off time will be

1:38 p.m.

Press the (SLEEP) button.

• Every time you press the (SLEEP) button, the mode will change
as shown below.

Cancel the sleep timer

• Preset time of sleep timer and the time at which the operation stops
will be displayed on the remote controller.

• Fan speed remain “SILENT” during sleep timer operation.

CANCEL

Press the (SLEEP) button or (CANCEL) button.

Combination of Sleep Timer and On Timer operation

• Set the operation to auto stop by sleep timer operation, it can be set to start the operation next morning by

(ON TIMER). Set (ON TIMER) first and then press the (SLEEP) button.

 The display below indicates

(ON TIMER) which is set at 6:00 a.m. and 2 hours sleep time at

11:38 p.m.

Preset the

(ON TIMER).

(Page 26, 27)

Press the

(SLEEP) button.

• The unit will turn off in 2 hours (at 1:38 a.m.)
and will turn on in order to reach the preset
temperature by 6:00 a.m.

•

The time range of sleep timer operation should

be set before (ON TIMER) time.

• When the sleep timer has been programmed, the unit

will not operate even if the set time is reached unless
the unit receives a signal from the remote controller.
Confirm that Sleep Timer programming is complete
(beep) and the

(TIMER) indicator of the indoor unit

turns on.

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– 29 –

ENGLISH