Hitachi RAS-SX10HYK User manual

SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
OUTDOOR UNIT INDOOR UNIT
MODEL
RAS-SX10HYK / RAC-SX10HYK
RAS-SX13HYK / RAC-SX13HYK
使用说明书 53 ~ 103页
请详细阅读这本使用说明书以了解正确的使用安装方
法，使机器长久发挥最高性能。
Instruction manual Page 1~52
To obtain the best performance and ensure years of
trouble free use, please read this instruction manual
completely.
RAS-SX10HYK
RAS-SX13HYK
RAC-SX10HYK
RAC-SX13HYK

– 2 –
•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 fire 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 specified 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 flammable gas. The outdoor
unit may catch fire if flammable gas leaks around it. Piping shall be suitable
supported with a maximum spacing of 1m between the supports.
•Please ensure smooth flow 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 fire.
PRECAUTIONS DURING INSTALLATION
PROHIBITION
CONNECT EARTH LINE
PROHIBITION
WARNING
CAUTION
•Avoid an extended period of direct airflow for your health.
•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
fire 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 fire.
•Please contact your agent if you need to remove and reinstall the unit. Electric shock or fire
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 figure indicates prohibition. Indicates the instructions that must be followed.
PROHIBITION

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•Do not place plants directly under the airflow 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 specification 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 insufficiency.
•Please ensure that outdoor mounting frame is always stable, firm 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 deflector 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
your sales agent.
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 fin 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”

– 4 –
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT
OUTDOOR UNIT
Micro Mesh Stainless Filter (internal)
Catches dusts in the air. (Page 37)
Titanium Heat Exchanger (internal)
Movable Panel
This panel opens during the operation and closes
when operation stop.
(It may not open on certain operation mode.)
Signal Receiver (internal)
Receive signal from the
remote control.
Power Plug
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)
Earth Terminal
(side bottom)
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.
Remote Controller Holder
To fix the remote controller
on the wall or pillar.
•Even if the operation is stopped, the outdoor
unit fan continues to rotate for 10~60 seconds
to cool down the electrical parts.
•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.
•Even during cooling operation, the water
condensed in the pipe, etc. may flow out from
the outdoor unit.
•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 43)

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( )
INDOOR UNIT CONTROL PANEL / CLEANING UNIT
Open the front panel to operate. (How to open the front panel, page 8)
Anti-mold Wasabi Cassette
Releases anti-mold elements
with wasabi fragrance to
prevent mold from growing
on dust inside the dust box.
(Page 8)
Dust Catcher
Collects the dust swept by
the cleaning unit. (At front
and top.) (Page 39)
Front Panel
Electric Dust Collector
Electrode
Releases negative ions to catch
pollens and dust in the air.
(Page 42)
Cleaning Unit
Cleans the dust
caught by the micro
mesh stainless filter.
Electric Dust
Collector Electrode
Ionized Mist Generator
(Located inside the air outlet.)
(Page 42)
Air Quality Sensor
Detects pollution of air (such as cigarette
smoke) when the air quality monitoring
operation is set. (Page 21)
Temporary Switch (Force-Cool switch)
If the remote controller does not
work due to battery failure,
press this switch to start
operation. (Page 49)
Force-cooling operation starts if this
switch is pressed for more than
5 seconds. This operation is allowed
to sales agents only. Users must not
perform this operation. (Page 49)
Dust Box
Collects and keeps the dust
that has been cleaned.
(Page 36)
Dust is collected
in this portion.
•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.)

– 6 –
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.
Transmission Part
Transmission Indicator
The transmission indicator
lit when a signal is sent.
ROOM TEMPERATURE
Button
Press this button to set the
room temperature. Keep
pressing and the value will
change more quickly.
(Page 13, 14)
HUMIDITY Button
Press this button to set the
humidity for dehumidify and
dry cool operations.
(Page 14)
START/STOP Button
Press this button to start
operation. Press again to stop
operation.
HEAT Button
Press this button to start
heating operation.
(Page 15)
DEHUMIDIFY Button
Press this button to start
dehumidifying operation.
(Page 15)
COOL Button
Press this button to start
cooling operation.
(Page 17)
DRY COOL Button
Press this button to start dry
cool operation. (Page 17)
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.
Attach the remote controller
• Insert from above.
Take out the remote controller
• To remove, hold the upper part
of the remote controller and
pull it up.
• Do not remove the remote
controller by twisting it left
and right. Doing so could
result in coming off of the
rear cover.
PROHIBITION
SLEEP TIMER Operation Button
Press this button to start sleep timer
operation. (Page 31)
IONIZED MIST Operation Button
Press this button to start ionized mist
operation. (Page 18)
Screw
NAMES AND FUNCTIONS OF EACH PART (continued)

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RAR-3R5
(When the door is open)
Operation Selector
Press this button to select the
operation mode. (Page 13, 14)
VERTICAL AIRFLOW Button
Use this button to swing the
vertical air deflector or to adjust
the angle to your preference.
(Page 25)
HORIZONTAL AIRFLOW
Button
Use this button to swing the
horizontal air deflector or
to adjust the angle to your
preference. (Page 26, 27)
PREFERENCE Button
Press this button to select your
preferred mode. (Page 23, 24)
TIMER Buttons
SET TIME Button
Use this button to set and
check the current time.
(Page 11)
RESET Button
Press this button after the
batteries are replaced and
when the air conditioner does
not function properly. (Page 11)
MANUAL CLEAN Button
Starts filter cleaning operation
while the air conditioner
operation is stopped. (Page 34)
AIR PURIFYING Button
Press this button to start
stainless plasma air purifying
(FAN) operation.
(Page 18)
BUTTONS TO
START OPERATIONS
FAN SPEED Button
Press this button to select
fan speed. (Page 13, 14)
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,
19, 20, 21, 22):
ON/OFF Button
Use this button to set or cancel
the function selected by the
function selector.
FUNCTION SELECTOR

– 8 –
INSTALLING ANTI-MOLD WASABI CASSETTE
Open the front panel.
• Do not hold the movable panel
when opening and closing the
front panel.
Movable panel
Front panel 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.
CAUTION
• Do not use excessive force to open and close the movable
panel.
This may cause it to malfunction.
(The movable panel automatically open and close when the power
is ON/OFF and START/STOP. )
• 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.
Install the anti-mold wasabi cassette.
• Pull out the anti-mold wasabi
cassette case.
• Take out the anti-mold wasabi
cassette from the aluminium bag.
Anti-mold wasabi
cassette
Aluminium bag
Anti-mold wasabi
cassette case
• Hold the anti-mold wasabi
cassette with the handle
side toward you, and then
install it into the unit.
•
Slide the anti-mold
wasabi cassette that
has been taken out of
the wrapper directly
into the anti-mold
wasabi cassette case.
Do not remove or tear
the aluminium sheet on
the surface nor make a
hole on it.
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
2
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.

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1 12
Close the front panel.
• Hold and lift up the front panel.
CAUTION
•If the front panel is not closed properly, the (CLEAN) indicator
blinks during filter cleaning operation and stainless plasma air
purifying operation. These operations will not perform properly if the
front panel is not closed securely. Also, the movable panel will not
work properly on cooling operation, etc.
•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
Front panel
Movable panel

– 10 –
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 7 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 45.
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.
During the actual operation, the filter cleaning is not performed if
the front panel is open.
1
2
Compulsory

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Address
Address
RAR-3R5
RAR-3R5
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.
n Confirm the current time
• Press the (SET TIME) button to check the current time. If
necessary, readjust the time following the above procedure 1and
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.
12Open 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.

– 12 –
RAR-3R5
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.
n 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. (If ampere is set to (SAVE), the air conditioner will be in limited
operation at 6(A)).
•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

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•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.
RAR-3R5
RAR-3R5
AUTOMATIC OPERATION
Press the (OPERATION SELECTOR) 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 (START/STOP) button.
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 (START/STOP) button again.
• A short beep sounds and the automatic
operation stops.
• Operation mode will be displayed on the
remote controller display.
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.
Increase
Decrease
Beep
Room temperature and fan speed can be adjusted to your preference.
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.
1
2
1
2
STOP
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.

– 14 –
RAR-3R5 RAR-3R5
MANUAL OPERATION (HEATING, DEHUMIDIFYING, COOLING, DRY COOL)
Select the operation mode.
Press the (OPERATION
SELECTOR) button.
• Any one of Heating/Dehumidifying/
Cooling/Dry Cool/Auto can be selected.
• To start fan operation, perform
stainless plasma air purifying
(FAN) operation. (Page 18)
• Ifthe (OPERATION SELECTOR)
button is pressed during operation,
a double short beep is heard on auto
mode while a single short beep is
heard on other mode.
Set the fan speed.
Set the room temperature. Set the humidity (only for
dehumidifying and dry cool modes).
Operation starts.
Press the (START/STOP) button.
Press the (START/STOP) button again.
• A short beep sounds and the operation stops.
• From next time, the operation that has been set on the above procedure 1~4
can be performed just by pressing the (START/STOP) button.
nHumidity setting range
40~70%
nRemote controller temperature setting range
Heating, Cooling, Dry Cool 16~32°C
Dehumidifying 10~32°C
2
1
One of them lights up. One of them lights up.
Press the (HUMIDITY) button.
• The humidity can be set in
increments of 5%.
• Humidity indication disappears in
approximately 10 seconds if the
operation is not started.
Increase
Decrease
4
3
Lights up. Lights up.
5
STOP
• Outdoor temperature -20°C~21°C
(When it is below -20°C or over 24°C, the heating
function may not operate in order to protect the
device.)
Heating Dehumidifying Dry Cool Cooling
•
Outdoor temperature
1°C~35°C
(Operation does not start if the
room temperature is below 1°C. )
•Outdoor
temperature
25°C~35°C
•Outdoor
temperature
22°C~43°C
•Do not use cooling operation in winter.
Press the (FAN SPEED) button.
• Any one of “AUTO”, “HI”, “MED”,
“LOW”, “SILENT” can be selected.
Fan speed indication disappears
in approximately 10 seconds if the
operation is not started.
• If the (FAN SPEED) button is
pressed during operation, a double
short beep is heard on auto mode
while a single short beep is heard
on other mode.
Press the (ROOM
TEMPERATURE) button.
• Room temperature indication
disappears in approximately 10 seconds
if the operation is not started.
• If the (ROOM TEMPERATURE)
button is pressed during operation,
a double short beep is heard at
20°C, a triple short beep at 30°C,
and a single short beep on other
temperature.
Increase
Decrease
Use the air conditioner following the operation conditions outlined below.

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HEATING OPERATION
DEHUMIDIFYING OPERATION
((MIST/AIR
PURIFYING) indicators also
turn on during quick laundry
operation.)
Press the (HEAT) button to start heating operation.
3 types of dehumidifying operations can be performed by pressing the (DEHUMIDIFY) button.
Performs powerful dry operation without lower down the room temperature.
Condensation
Control
• In auto dehumidifying mode, fine adjustment of room temperature (page 13),
humidity adjustment and fan speed selection (page 14) 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 (page 13) and fan
speed selection (page 14) can be made to your preference. (Fine adjustment of
room temperature and humidity adjustment cannot be made in condensation
control mode.)
Press the (HEAT) button.
• Adjust the room temperature and fan speed to your preference.
Temperature range between 16°C~32°C can be set. (Page 14)
Press the (START/STOP) button.
• A short beep sounds and heating operation stops.
Press the (DEHUMIDIFY) button.
• Every time you press the (DEHUMIDIFY) button, the
mode will change as shown in the chart below.
Press the (START/STOP) button.
• A short beep sounds and dehumidifying operation stops.
• After the dehumidifying operation is stopped, the remote controller will display
the operation mode that had been set before the (DEHUMIDIFY) button was
pressed.
(“AUTO” flashes for 5 seconds)
Auto
Dehumidifying
Quick
Laundry
STOP
STOP

– 16 –
Auto
Dehumidifying
Operation mode In 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
•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 28), 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 14)
•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 24)
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
•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
DEHUMIDIFYING OPERATION (continued)

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ENGLISH
DEUTSCHFRANÇAISITALIANOSPANISHPORTUGUÊS
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РУССКИЙ
(“AUTO” flashes for 5 seconds)
COOLING OPERATION
DRY COOL OPERATION
Press the (COOL) button to start cooling 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 (COOL) button.
• Adjust the room temperature and fan speed to your preference. (Page 14)
Temperature range between 16°C~32°C can be set.
Press the (START/STOP) button.
• A short beep sounds and dry cool operation stops.
Press the (DRY COOL) button.
• Adjust the room temperature (page 13) and fan speed (page 14) 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.)
• Humidity setting cannot be adjusted.
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.
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
50% when temperature above 27°C is set.
55% when temperature of 26°C is set.
60% when temperature below 25°C is set.
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.
Press the (START/STOP) button.
• A short beep sounds and cooling operation stops.
STOP
STOP

– 18 –
Position of horizontal
air deflector
Wide airflow angle
The angle set for the current
operation mode
IONIZED MIST OPERATION
• Stainless plasma air purifying and ionized mist operations have an effect of reducing unpleasant smell of the
wall and curtain in the room and controlling bacteria suspended in the air.
• If the ionized mist operation is set while the air conditioner is in operation, the ionized mist operation will
operate together with another operation.
Ionized mist is generated using the air in the room. It may not be generated depending on the temperature
and humidity. (It may take approximately 30 minutes to 1 hour for ionized mist generation.)
STAINLESS PLASMA AIR PURIFYING (FAN) OPERATION
• Stainless plasma air purifying (Fan) operation is the combined operation mode of the fan operation and the
electric dust collector operation.
• If the stainless plasma air purifying mode is set while the air conditioner is in basic operation mode, the air
purifying function by the electric dust collector will operate together.
Press the (START/STOP) button.
• A short beep sounds and ionized mist operation stops.
• Adjust the fan speed to your preference. “HI”, “MED”, “LOW”, “SILENT” can be
selected. (Page 14)
• When only ionized mist operation is set, (OFF TIMER) and (ON TIMER)
preset cannot be done.
Press the (IONIZED MIST) button.
Press the (IONIZED MIST) button.
Press the (START/STOP) button.
• A short beep sounds and stainless plasma air purifying operation
stops.
Press the (AIR PURIFYING) button.
Press the (AIR PURIFYING) button.
• Adjust the fan speed to your preference. “HI”, “MED”, “LOW”, “SILENT” can
be selected. (Page 14)
• When only stainless plasma air purifying operation is set, (OFF TIMER)
and (ON TIMER) preset cannot be done.
STOP
STOP
CANCEL
during
operation
CANCEL
during
operation
Operation mode
Ionized mist operation only
When operate together with
another operation

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ENGLISH
DEUTSCHFRANÇAISITALIANOSPANISHPORTUGUÊS
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RAR-3R5
INTERNAL CLEANING OPERATION
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.
STOP
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.
• It will automatically stop after 1 hour of operation.
1
2
•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.)

– 20 –
SLEEP OPERATION
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 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
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.
1
2
•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.