DAIKIN ROOM AIR CONDITIONER
OPERATION MANUAL
EnglishFrançaisEspañol
MODELS
CTXS07JVJU
CTXS09HVJU
CTXS12HVJU
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English
CONTENTS
READ BEFORE OPERATION
Safety Precautions ....................................................................2
Name of Parts ...........................................................................4
Preparation before Operation ...................................................8
OPERATION
AUTO · DRY · COOL · HEAT · FAN Operation .......................10
Adjusting the Airfl ow Direction ................................................12
INTELLIGENT EYE Operation ................................................14
POWERFUL Operation ...........................................................16
OUTDOOR UNIT QUIET Operation .......................................17
HOME LEAVE Operation ........................................................18
TIMER Operation ....................................................................20
Note for Multi System .............................................................22
CARE
Care and Cleaning ..................................................................24
TROUBLESHOOTING
Troubleshooting ......................................................................28
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Safety Precautions
Read these safety considerations for operations carefully before installing air conditioning equipment. After completing the •
installation, make sure that the unit operates properly during the startup operation. Instruct the customer on how to operate and
maintain the unit.
Inform customers that they should store this operation manual with the installation manual for future reference.
Meanings of DANGER, WARNING, CAUTION, and NOTE Symbols:
DANGER WARNING CAUTION
Indicates an imminently hazardous situation
which, if not avoided, will result in death or
serious injury.
Indicates a potentially hazardous situation
which, if not avoided, could result in death
or serious injury.
Indicates a potentially hazardous situation
which, if not avoided, may result in minor or
moderate injury. It may also be used to alert
against unsafe practices.
Never do.
Be sure to follow the instructions.
Be sure to ground the air conditioner.
Never allow the air conditioner or remote controller to get
wet.
Never touch the air conditioner (including the remote
controller) with a wet hand.
DANGER
For refrigerant leakage, consult your dealer.•
Refrigerant gas is heavier than air and replaces oxygen. A massive leak could lead to oxygen depletion, especially in basements,
and an asphyxiation hazard could occur leading to serious injury or death.
Refrigerant gas may produce a toxic gas if it comes in contact with fi re such as from a fan heater, stove or cooking device. Exposure •
to this gas could cause severe injury or death.
Any abnormalities in the operation of the air conditioner such as smoke or fi re could result in severe injury or death. •
Turn off the power and contact your dealer immediately for instructions.
Do not install the unit in an area where fl ammable materials are present due to risk of explosion resulting in serious injury or death.•
If equipment utilizing a burner is used in the same room as the air conditioner, there is the danger of oxygen defi ciency which could •
lead to an asphyxiation hazard resulting in serious injury or death.
Be sure to ventilate the room suffi ciently to avoid this hazard.
Safely dispose of the packing materials.•
Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries. Tear apart and throw away
plastic packaging bags so that children will not play with them. Children playing with plastic bags face the danger of death by
suffocation.
WARNING
It is not good for health to expose your body to the air fl ow for a long time.•
Do not put your fi nger or other objects into the air outlet or inlet as the fan is rotating at high speed and could cause injury. Always •
keep small children away from the unit during operation.
Do not attempt to repair, relocate, modify or reinstall the air conditioner by yourself. Incorrect work or modifi cations could cause •
electric shocks, fi re or other damage.
For repairs and reinstallation, consult your Daikin dealer for advice and information.
If the air conditioner is not cooling (heating) properly, the refrigerant may be leaking, contact your authorized dealer or qualifi ed •
service repairman.
When making repairs which requires adding refrigerant, consult with your authorized dealer or qualifi ed service repairman.
Do not attempt to install the air conditioner by yourself. Improper installation could result in water leakage, electric shocks or fi re. For •
installation, consult your authorized dealer or a qualifi ed technician.
CAUTION
The air conditioner must be grounded. Improper grounding may result in electric shocks. Do not connect the grounding wire to a gas •
pipe, water pipe, lightning rod, or a telephone ground line. Follow all local and state electrical codes.
Do not use this unit for cooling precision instruments, food, plants, animals or works of art.•
Never expose little children, plants or animals directly to the air fl ow.•
Do not block air inlets nor outlets. Impaired air fl ow may result in poor performance or equipment problems.•
Do not stand, sit, or place objects on the outdoor unit. To avoid injury, do not remove the fan guard.•
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English
CAUTION
Do not place anything under the indoor or outdoor unit that must be kept away from moisture, such as electrical or electronic •
equipment. In certain conditions, moisture in the air may condense and drip.
Check the unit stand and fi ttings for damage annually.•
Do not touch the air inlet and aluminum fi ns of outdoor unit. It may cause injury and/or damage the heat transfer surface.•
This appliance is NOT intended for use by young children or impaired persons without proper supervision.•
Young children should be supervised to ensure that they DO NOT play with or near the air fl ow of this appliance.•
Do not pull at the conduit or hang anything on it. Otherwise it will cause fi re or electric shock.•
Do not touch the heat exchanger fi ns. Improper handling may result in injury.•
Do not turn off the power immediately after stopping operation. Always wait at least 5 minutes before turning off the power to avoid •
water leakage or other problems.
To avoid personal injury or equipment damage be sure to stop the operation, turn the breaker off or pull out the supply cord before •
cleaning or servicing the unit. NOTE: More than one disconnect may be required to shut off all power.
Do not connect the air conditioner to a power supply different from the one specifi ed. It may cause improper operation or fi re.•
Depending on the environment, state and local electrical codes, a ground fault circuit interrupter may be required. Improper •
grounding or lack of a ground fault circuit interrupter may result in electrical shock, injuries, or death.
It is recommended to install a ground fault circuit interrupter if one is not already available. •
This helps prevent electrical shocks or fi re.
Arrange the drain hose to ensure smooth drainage. Improper drainage may cause water damage to the building, or its furnishing.•
Depending on the usage environment, water may leak from the air conditioner. If this happens, contact your Daikin Dealer.•
The remote controller should be installed in such away that children cannot play with it.•
Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris accumulate around the unit.•
Leaves are a hotbed for small animals which can enter the unit. Once in the unit, such animals can cause malfunctions, smoke or
fi re when making contact with electrical parts.
Do not operate the air conditioner with wet hands.•
Do not wash the indoor unit with excessive water, only use a slightly wet cloth.•
Do not place things such as vessels containing water or anything else on top of the unit. Water may penetrate into the unit and •
degrade electrical insulations, resulting in an electric shock.
Installation site.
Operate the air conditioner in a suffi ciently ventilated area and not surrounded by obstacles. Do not use the air
conditioner in the following places.
Places with a mist of mineral oil, such as cutting oil.a.
Locations such as coastal areas where there is a lot of salt in the air.b.
Locations such as hot springs where there is a lot of sulfur in the air.c.
Locations such as factories where the power voltage varies a lot.d.
In cars, boats, and other vehicles.e.
Locations such as kitchens where oil may splatter or where there is steam in the air.f.
Locations where equipment produces electromagnetic waves.g.
Places with an acid or alkaline mist.h.
Places where fallen leaves can accumulate or where weeds can grow.i.
Consider the nuisance of noise to your neighbors.
Pay Attention to Operating Sound. Be sure to use the following places:
Places that can suffi ciently withstand the weight of the air conditioner yet can suppress the operating sound and vibration of the air a.
conditioner.
Places where warm air from the air outlet of the outside unit or the operating sound of the outside unit does not annoy neighbors.b.
Make sure that there are no obstacles close to the outside unit. Obstacles close to the outside unit may drop the performance of the
outside unit or increase the operating sound of the outside unit.
Consult your dealer if the air conditioner in operation generates unusual noise.
Electrical work.
For power supply, be sure to use a separate power circuit dedicated to the air conditioner.•
System relocation.
Relocating the air conditioner requires specialized knowledge and skills. Please consult the dealer if relocation is
necessary for moving or remodeling.
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Name of Parts
Indoor Unit
Air inlet
Front panel
Air outlet
Panel tab
Fins (vertical blades)
Page 12
The fi ns are inside of the air outlet.•
INTELLIGENT EYE
sensor
Page 14
It detects the movements of •
people and automatically
switches between normal
operation and energy saving
operation.
Room temperature
sensor
It detects the air temperature •
around the unit.
Louvers (horizontal blades)
Page 12
OPERATION lamp
(green)
TIMER lamp (yellow)
Page 20
Signal receiver
It receives signals from the remote •
controller.
When the unit receives a signal, •
you will hear a short beep.
Operation start• ......... beep-beep
Settings changed• ..... beep
Operation stop• ......... beeeeep
Display
Indoor unit ON/OFF switch
Press this switch once to start operation.•
Press once again to stop it.
The operation mode refer to the following table.•
Mode
Temperature setting
Airfl ow rate
AUTO 77°F (25°C) AUTO
This switch is useful when the remote controller is missing.•
HOME LEAVE lamp (red)
Page 18
Lights up when you use HOME •
LEAVE operation.
Packaging materials
Page 24
If any packaging materials are included, •
please remove before operating.
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English
Outdoor Unit
Open the front panel
Appearance of the outdoor unit may differ from some models.•
Air fi lter
Air-purifying fi lter
with photocatalytic
deodorizing function
Refrigerant piping and
inter-unit wiring
Ground terminal
Inside of this cover.•
Drain hose
Air inlet (back and side)
Air outlet
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Name of Parts
Remote Controller: ARC452A9
Signal transmitter
Receiver
To use the remote controller, aim the •
transmitter at the indoor unit. If there
is anything to block signals between
the unit and the remote controller,
such as a curtain, the unit will not
operate.
Do not drop the remote controller. Do •
not get it wet.
The maximum distance for •
communication is approximately
23ft. (7m).
FAN setting button
Selects the airfl ow rate setting.•
Page 11
POWERFUL button
POWERFUL operation. •
Page 16
Display (LCD)
Displays the current settings.•
(In this illustration, each section is
shown with its displays on for the
purpose of explanation.)
TEMPERATURE
adjustment buttons
Changes the temperature setting.•
Page 10
ON/OFF button
Press this button once to start •
operation.
Press once again to stop it.
Page 10
Front cover
Open the front cover. •
Page 7
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English
Open the front cover
HOME LEAVE button
HOME LEAVE operation. •
Page 18
SWING button
Adjusting the airfl ow direction.•
Page 12
SENSOR button
INTELLIGENT EYE operation. •
Page 14,15
ON TIMER button
Page 21
CLOCK button
Page 9
QUIET button
OUTDOOR UNIT QUIET •
operation.
Page 17
OFF TIMER button
Page 20
TIMER CANCEL
button
Cancels the timer setting.•
Page 20,21
MODE selector button
Selects the operation mode. •
(AUTO/DRY/COOL/HEAT/
FAN)
Page 10
SELECT button
Changes the ON/OFF TIMER •
settings.
Page 20,21
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Preparation before Operation
To set the batteries
Slide the front cover to take it off.1.
Set two dry batteries AAA.LR03 (alkaline).2.
Set the front cover as before.3.
To fi x the remote controller holder on the wall
Choose a place from where the signals reach 1.
the unit.
Fix the holder to a wall, a pillar with the screws
2.
supplied with the holder.
Place the remote controller in the remote
3.
controller holder.
Celsius/Fahrenheit display switch
The Celsius or Fahrenheit display is selectable with the following buttons.•
Press and simultaneously for
5 seconds.
The temperature will be displayed in Fahrenheit if it is presently displayed in Celsius, and •
vice versa.
2
3
1
Position and
correctly!
+
–
Remote controller
holder
Set. Pull.
ATTENTION
About batteries
When replacing the batteries, use batteries of the same type, and replace both batteries at the same time.•
When the system is not used for a long time, take the batteries out.•
The batteries will last for approximately 1 year. If the remote controller display begins to fade and the degradation of reception performance occurs •
within a year, however, replace both batteries with new, size AAA.LR03 (alkaline).
The attached batteries are provided for the initial use of the system.
•
The usable period of the batteries may be short depending on the manufactured date of the air conditioner.
About remote controller
Never expose the remote controller to direct sunlight.•
Dust on the signal transmitter or receiver will reduce the sensitivity. Wipe off dust with a soft cloth.•
Signal communication may be disabled if an electronic-starter-type fl uorescent lamp (such as inverter-type lamps) is in the room. Consult the shop •
if that is the case.
If the remote controller signals happen to operate another appliance, move that appliance somewhere else, or consult the service shop.
•
Celsius/Fahrenheit display change function of remote controller
The set temperature may increase when the display is changed to Celsius from Fahrenheit, because a fraction of 0.5°C is rounded up.•
Example: A set temperature of 64°F (equivalent to 18.5°C) will be converted into 19°C.•
When the display is changed to Fahrenheit again, the set temperature will be converted into 66°F (equivalent to 19°C) instead of the
original set temperature (64°F) but a set temperature of 66°F (equivalent to 19°C) will be converted into 19°C with no temperature change.
A reception sound will go off for the transmission of set temperature to the indoor unit at the time of setting the Celsius/Fahrenheit display change function.
•
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English
Turn the breaker on
Turning on the breaker closes the louvers. (This is a normal procedure.)•
To set the clock
Press 1. .
” is displayed.
” and “ ” blinks.
“
“
Press 2. to set the current day of the week.
Press
3. .
“ ” blinks.
Press 4. to set the clock to the present time.
Holding down • or rapidly increases or decreases the time display.
Press 5. .
Always point the remote controller at the indoor unit when pressing the buttons when setting the •
indoor unit’s internal clock.
“ ” blinks.
NOTE
Tips for saving energy
Be careful not to cool (heat) the room too much. •
Keeping the temperature setting at a moderate level helps save energy.
Cover windows with a blind or a curtain.
•
Blocking sunlight and air from outdoors increases the cooling (heating) effect.
Clogged air fi lters cause ineffi cient operation and waste energy. Clean them once in about every 2 weeks.
•
Please note
The air conditioner always consumes 50-120btu/h (15-35W) of electricity even while it is not operating.•
If you are not going to use the air conditioner for a long period, for example in spring or autumn, turn the breaker off.•
Use the air conditioner in the following conditions.•
Mode Operating conditions If operation is continued out of this range
COOL
Outdoor temperature : 14-115°F (–10-46°C)
Indoor temperature : 64-90°F (18-32°C)
Indoor humidity : 80% max.
A safety device may work to stop the operation.
•
(In multi system, it may work to stop the operation of the outdoor unit only.)
Condensation may occur on the indoor unit and drip.
•
HEAT
Outdoor temperature : 5-64°F (–15-18°C)
Indoor temperature : 50-86°F (10-30°C)
A safety device may work to stop the operation.
•
DRY
Outdoor temperature : 14-115°F (–10-46°C)
Indoor temperature : 64-90°F (18-32°C)
Indoor humidity : 80% max.
A safety device may work to stop the operation.
•
Condensation may occur on the indoor unit and drip.•
Operation outside this humidity or temperature range may cause a safety device to disable the system.•
Recommended temperature setting
For cooling: 78-82°F (26-28°C)
For heating: 68-75°F (20-24°C)
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AUTO · DRY · COOL · HEAT · FAN Operation
The air conditioner operates with the operation mode of your choice.
From the next time on, the air conditioner will operate with the same operation mode.
To start operation
Press 1. and select a operation mode.
Each pressing of the button advances the mode setting in sequence.•
AUTO DRY COOL HEAT FAN
Press 2. .
“• ” is displayed on the LCD.
The OPERATION lamp lights up.•
Display
To stop operation
Press again.
“• ” is no longer displayed on the LCD.
The OPERATION lamp goes off.•
To change the temperature setting
Press or .
The displayed items on the LCD will change whenever either one of the buttons is pressed.•
DRY or FAN operation COOL operation HEAT operation AUTO operation
The temperature setting is not
variable.
64-90°F
(18-32°C)
50-86°F
(10-30°C)
64-86°F
(18-30°C)
Press
to raise the temperature and press to lower the
temperature.
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English
To change the airfl ow rate setting
Press .
DRY operation AUTO or COOL or HEAT or FAN operation
The airfl ow rate setting is not variable.
5 levels of airfl ow rate setting from
“ ” to “ ” plus “ ” and “ ” are available.
Indoor unit quiet operation•
When the airfl ow is set to “
”, the noise from the indoor unit will become quieter.
Use this when making the noise quieter.
The unit might lose capacity when the airfl ow rate is set to a weak level.
Each pressing of the button advances the airfl ow rate setting in sequence.•
NOTE
Notes on HEAT operation
Since this air conditioner heats the room by taking heat from outdoor air to indoors, the heating capacity becomes smaller in lower outdoor •
temperatures. If the heating effect is insuffi cient, it is recommended to use another heating appliance in combination with the air conditioner.
The heat pump system heats the room by circulating hot air around all parts of the room. After the start of HEAT operation, it takes some time
•
before the room gets warmer.
In HEAT operation, frost may occur on the outdoor unit and lower the heating capacity. In that case, the system switches into defrosting operation
•
to take away the frost.
During defrosting operation, hot air does not fl ow out of indoor unit.
•
Note on COOL operation
This air conditioner cools the room by blowing the hot air in the room outside, so if the outside temperature is high, the performance of the air •
conditioner drops.
Note on DRY operation
The computer chip works to rid the room of humidity while maintaining the temperature as much as possible. It automatically controls temperature •
and airfl ow rate, so manual adjustment of these functions is unavailable.
Notes on AUTO operation
In AUTO operation, the system selects a temperature setting and an appropriate operation mode (COOL or HEAT) based on the room •
temperature at the start of the operation.
The system automatically reselects setting at a regular interval to bring the room temperature to user-setting level.
•
Note on FAN operation
This is valid for fan only.•
Note on airfl ow rate setting
At smaller airfl ow rates, the cooling (heating) effect is also smaller.•
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Adjusting the Airfl ow Direction
You can adjust the airfl ow direction to increase your comfort.
Adjusting the upper and lower airfl ow direction
To adjust the louvers (horizontal blades)
Press 1. .
“• ” is displayed on the LCD and the louvers will begin to swing.
When the louvers have reached the desired 2.
position, press once more.
The louvers will stop moving.•
“•
” is no longer displayed on the LCD.
Adjusting the right and left airfl ow direction
To adjust the fi ns (vertical blades)
Press 3. .
“• ” is displayed on the LCD.
When the fi ns have reached the desired position, 4.
press once more.
The fi ns will stop moving.•
“• ” is no longer displayed on the LCD.
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English
To start 3-D airfl ow
1. 3. Press the
and the :
the “ ” and “ ” display will light up and the
louvers and fi ns will move in turn.
To cancel 3-D airfl ow
2. 4. Press either the
or the .
NOTE
Note on the angles of the louvers
When • is selected, the louvers swinging range depends on the operation. (See the fi gure.)
Note on 3-D airfl ow
Using 3-D airfl ow circulates cold air, which tends to collected at the bottom of the room, and hot air, •
which tends to collect near the ceiling, throughout the room, preventing areas of cold and hot
developing.
ATTENTION
Always use a remote controller to adjust the angles of the louvers and fi ns. If you attempt to move it •
forcibly with hand when it is swinging, the mechanism may be broken.
Always use a remote controller to adjust the fi ns angles. Inside the air outlet, a fan is rotating at a high
•
speed.
COOL and DRY operation
HEAT and FAN operation
Stop operation
COOL
approximately 10-40°
DRY
approximately 5-35°
Stop operation
HEAT
approximately 15-55°
FAN
approximately 5-55°
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INTELLIGENT EYE Operation
“INTELLIGENT EYE” is the infrared sensor which detects the human movement.
To start INTELLIGENT EYE operation
Press 1. .
“ • ” is displayed on the LCD.
To cancel INTELLIGENT EYE operation
Press 2. again.
“ • ” is no longer displayed on the LCD.
[Example]
Somebody back in the room
• Back to normal operation.
The air conditioner will return to
normal operation when the sensor
detects the movement of people
again.
When somebody in the room
• Normal operation
The air conditioner is in normal
operation while the sensor is
detecting the movement of people.
When nobody in the room
• 20 minutes after, start
energy saving operation.
The set temperature is shifted in
±3.6ºF (±2ºC) steps.
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English
“INTELLIGENT EYE” is useful for energy saving
Energy saving operation
Change the temperature –3.6°F (–2°C) in HEAT / +3.6°F (+2°C) in COOL / +1.8°F (+1°C) in DRY operation from set temperature.•
Decrease the airfl ow rate slightly in FAN operation only.•
If no presence detected in the room for 20 minutes.•
NOTE
Notes on INTELLIGENT EYE operation
Application range is as follows.•
90°
55°
23ft.
(7m)
55°
23ft. (7m)
Vertical angle 90°
(Side view)
Horizontal angle 110°
(Top view)
Sensor may not detect moving objects further than 23ft. (7m) away. (Check the application range.)•
Sensor detection sensitivity changes according to indoor unit location, the speed of passersby, temperature range, etc.•
The sensor also mistakenly detects pets, sunlight, fl uttering curtains and light refl ected off of mirrors as passersby.•
INTELLIGENT EYE operation will not go on during POWERFUL operation.•
NIGHT SET mode •
Page 20
will not go on during use of INTELLIGENT EYE operation.
CAUTION
Do not place large objects near the sensor.•
Also keep heating units or humidifi ers outside the sensor’s detection area. This sensor can detect undesirable objects.
Do not hit or forcefully push the INTELLIGENT EYE sensor. This can lead to damage and malfunction.
•
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POWERFUL Operation
POWERFUL operation quickly maximizes the cooling (heating) effect in any
operation mode. You can get the maximum capacity.
To start POWERFUL operation
Press during operation.
POWERFUL operation ends in 20 minutes. Then the system automatically operates again with •
the previous settings which were used before POWERFUL operation.
“•
” is displayed on the LCD.
When using POWERFUL operation, there are some functions which are not available.•
To cancel POWERFUL operation
Press again.
“• ” is no longer displayed on the LCD.
NOTE
Notes on POWERFUL operation
POWERFUL operation cannot be used together with QUIET operation.•
Priority is given to the function of whichever button is pressed last.
In COOL and HEAT operation•
To maximize the cooling (heating) effect, the capacity of outdoor unit must be increased and the airfl ow rate be fi xed to the maximum setting.
The temperature and airfl ow settings are not variable.
In DRY operation•
The temperature setting is lowered by 4.5°F (2.5°C) and the airfl ow rate is slightly increased.
In FAN operation•
The airfl ow rate is fi xed to the maximum setting.
In AUTO operation•
To maximize the cooling (heating) effect, the capacity of outdoor unit must be increased and the airfl ow rate be fi xed to the maximum setting.
POWERFUL operation will not increase the capacity of the air conditioner if the air conditioner is already in operation with its maximum capacity
•
demonstrated.
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English
OUTDOOR UNIT QUIET Operation
OUTDOOR UNIT QUIET operation lowers the noise level of the outdoor unit by
changing the frequency and fan speed on the outdoor unit. This function is
convenient during night.
To start OUTDOOR UNIT QUIET operation
Press .
“• ” is displayed on the LCD.
To cancel OUTDOOR UNIT QUIET operation
Press again.
“• ” is no longer displayed on the LCD.
NOTE
Notes on OUTDOOR UNIT QUIET operation
If using a multi system, this function will work only when the OUTDOOR UNIT QUIET operation is set on all operated indoor units.•
However, if using priority room setting, see note for multi system.
Page 22
This function is available in COOL, HEAT, and AUTO operation.•
(This is not available in FAN and DRY operation.)
POWERFUL operation and OUTDOOR UNIT QUIET operation cannot be used at the same time.
•
Priority is given to the function of whichever button is pressed last.
If operation is stopped using the remote controller or the indoor unit ON/OFF switch when using OUTDOOR UNIT QUIET operation, “
• ” will
remain on the remote controller display.
OUTDOOR UNIT QUIET operation will drop neither the frequency nor fan speed if the frequency and fan speed have been already dropped low
•
enough.
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18
HOME LEAVE operation is a function which allows you to record your preferred
temperature and airfl ow rate settings.
To start HOME LEAVE operation
Press 1. .
“ • ” is displayed on the LCD.
The HOME LEAVE lamp lights up.•
Display
To cancel HOME LEAVE operation
Press 2. again.
“ • ” is no longer displayed on the LCD.
The HOME LEAVE lamp goes off.•
Before using HOME LEAVE operation.
To set the temperature and airfl ow rate for HOME LEAVE operation
When using HOME LEAVE operation for the fi rst time, please set the temperature and airfl ow rate for HOME LEAVE operation.
Record your preferred temperature and airfl ow rate.
Initial setting Selectable range
Temperature Airfl ow rate Temperature Airfl ow rate
Cooling 77°F (25°C) AUTO 64-90°F (18-32°C) 5 step, “
” and “ ”
Heating 77°F (25°C) AUTO 50-86°F (10-30°C) 5 step, “
” and “ ”
Press 1.
. Make sure “ ” is displayed in the remote controller display.
Adjust the set temperature with 2.
or as you like.
Adjust the airfl ow rate with FAN setting button as you like.3.
HOME LEAVE operation will run with these settings the next time you use the unit. To change the recorded information, repeat
steps 1 – 3.
HOME LEAVE Operation
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19
English
What’s the HOME LEAVE operation?
Is there a set temperature and airfl ow rate which is most comfortable, a set temperature and airfl ow rate which you use the most?
HOME LEAVE operation is a function that allows you to record your favorite set temperature and airfl ow rate. You can start your
favorite operation mode simply by pressing
on the remote controller. This function is convenient in the following situations.
Useful in these cases
Use as an energy-saving mode.1.
Set the temperature 3-5°F(2-3°C) higher (COOL) or lower (HEAT) than normal. Setting the fan speed to the lowest
setting allows the unit to be used in energy-saving mode. Also convenient for use while you are out or sleeping.
Every day before you leave the house...•
When you go out, press and the
air conditioner will adjust capacity to
reach the preset temperature for HOME
LEAVE operation.
When you return, you will be welcomed
by a comfortably air conditioned room.
Press again, and the air
conditioner will adjust capacity to the set
temperature for normal operation.
Before bed...•
Set the unit to HOME LEAVE operation
before leaving the living room when
going to bed.
The unit will maintain the temperature in
the room at a comfortable level while you
sleep.
When you enter the living room in the
morning, the temperature will be just right.
Disengaging HOME LEAVE operation will
return the temperature to that set for
normal operation. Even the coldest
winters will pose no problem!
Use as a favorite mode.2.
Once you record the temperature and airfl ow rate settings you most often use, you can retrieve them by pressing .
You do not have to make all the selections again.
NOTE
Once the temperature and airfl ow rate for HOME LEAVE operation are set, those settings will be used whenever HOME LEAVE operation is used in •
the future. To change these settings, please refer to the before using HOME LEAVE operation section above.
HOME LEAVE operation is only available in COOL and HEAT operation. It cannot be used in AUTO, DRY, and FAN operation.
•
HOME LEAVE operation runs in accordance with the previous operation mode (COOL or HEAT) before using HOME LEAVE operation.•
HOME LEAVE operation and POWERFUL operation cannot be used at the same time. Last button that was pressed has priority.•
The operation mode cannot be changed while HOME LEAVE operation is being used.•
When operation is shut off during HOME LEAVE operation, using the remote controller or the indoor unit ON/OFF switch, “ • ” will remain on the
remote controller display.
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20
TIMER Operation
Timer functions are useful for automatically switching the air conditioner on or off at
night or in the morning. You can also use OFF TIMER and ON TIMER in
combination.
To use OFF TIMER operation
Check that the clock is correct.•
If not, set the clock to the present time.
Page 9
Press 1. .
” is displayed.
” blinks.
“
“
Press 2. until the time setting reaches the point
you like.
Each pressing of either button increases or decreases the time setting by 10 minutes. Holding •
down either button changes the setting rapidly.
Press 3. again.
The TIMER lamp lights up.•
Display
To cancel OFF TIMER operation
Press .
The TIMER lamp goes off.•
NOTE
Notes on TIMER operation
When TIMER is set, the present time is not displayed.•
Once you set ON/OFF TIMER, the time setting is kept in the memory. (The memory is canceled when remote controller batteries are replaced.)•
When operating the unit via the ON/OFF TIMER, the actual length of operation may vary from the time entered by the user. (Maximum •
approximately 10 minutes)
NIGHT SET mode
When the OFF TIMER is set, the air conditioner automatically adjusts the temperature setting (0.9°F (0.5°C) up in COOL, 3.6°F (2.0°C) down in •
HEAT) to prevent excessive cooling (heating) for your pleasant sleep.
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21
English
To use ON TIMER operation
Check that the clock is correct.•
If not, set the clock to the present time.
Page 9
Press 1. .
” is displayed.
” blinks.
“
“
Press 2. until the time setting reaches the point
you like.
Each pressing of either button increases or decreases the time setting by 10 minutes. Holding •
down either button changes the setting rapidly.
Press 3. again.
The TIMER lamp lights up.•
Display
To cancel ON TIMER operation
Press .
The TIMER lamp goes off.•
To combine ON TIMER and OFF TIMER
A sample setting for combining the two timers is shown below.•
(Example)
Present time: 23:00 (The unit operating)
OFF TIMER at 0:00
ON TIMER at 14:00
Combined
ATTENTION
In the following cases, set the timer again.
After a breaker has turned off.•
After a power failure.•
After replacing batteries in the remote controller.•
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22
Note for Multi System
What is a multi system?
This system has one outdoor unit connected to multiple
indoor units.
Selecting the operation mode
With the priority room setting present but1.
inactive or not present.
When more than one indoor unit is operating, priority is
given to the fi rst unit that was turned on.
In this case, set the units that are turned on later to the
same operation mode (*1) as the fi rst unit.
Otherwise, they will enter the standby state, and the
OPERATION lamp will fl ash: this does not indicate malfunction.
(*1)
COOL, DRY and FAN operation may be used at the same time.•
AUTO operation automatically selects COOL operation or HEAT operation based on the room temperature.•
Therefore, AUTO operation is available when selecting the same operation mode as that of the room with the fi rst unit to be
turned on.
CAUTION
Normally, the operation mode in the room where the unit is fi rst run is given priority, but the following situations are exceptions, so please •
keep this in mind.
If the operation mode of the fi rst room is FAN operation, then using HEAT operation in any room after this will give priority to HEAT operation.
In this situation, the air conditioner running in FAN operation will go on standby, and the OPERATION lamp will fl ash.
With the priority room setting active.2.
See priority room setting on the next page.
B
room
A
room
Outdoor
unit
NIGHT QUIET mode (Available only for COOL operation)
NIGHT QUIET mode requires initial programming during installation. Please consult your retailer or dealer for assistance.
NIGHT QUIET mode reduces the operation noise of the outdoor unit during the nighttime hours to prevent annoyance to neighbors.
The NIGHT QUIET mode is activated when the temperature drops 9°F (5°C) or more below the highest temperature recorded •
that day. Therefore, when the temperature difference is less than 9°F (5°C), this function will not be activated.
NIGHT QUIET mode reduces slightly the cooling effi ciency of the unit.•
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23
English
OUTDOOR UNIT QUIET operation
Page 17
With the priority room setting present but inactive or not present.1.
When using the OUTDOOR UNIT QUIET operation feature with the multi system, set all indoor units to OUTDOOR UNIT
QUIET operation using their remote controllers.
When clearing OUTDOOR UNIT QUIET operation, clear one of the operating indoor units using its remote controller.
The OUTDOOR UNIT QUIET operation display remains on the remote controller for other rooms.
We recommend you release all rooms using their remote controllers.
With the priority room setting active.2.
See priority room setting.
COOL/HEAT mode lock (Available only for heat pump models)
The COOL/HEAT mode lock requires initial programming during installation. Please consult your authorized dealer for assistance.
The COOL/HEAT mode lock sets the unit forcibly to either COOL or HEAT operation. This function is convenient when you wish to
set all indoor units connected to the multi system to the same operation mode.
Priority room setting
The priority room setting requires initial programming during installation. Please consult your authorized dealer for assistance.
The room designated as the priority room takes priority in the following situations;
Operation mode priority.1.
As the operation mode of the priority room takes precedence, the user can select a different operation mode from other rooms.
< Example >
* Room A is the priority room in the examples.
When COOL operation is selected in room A while operating the following modes in room B:
Operation mode in room B Status of room B when the unit in room A is in COOL operation
COOL or DRY or FAN Current operation mode maintained
HEAT The unit enters standby mode. Operation resumes when the room A unit stops operating.
AUTO
If the unit is set to COOL operation, it continues. If the unit is set to HEAT operation, it enters standby mode.
Operation resumes when the room A unit stops operating.
Priority when POWERFUL operation is used.2.
< Example >
* Room A is the priority room in the examples.
The indoor units in rooms A and B are all operating. If the unit in room A enters POWERFUL operation, operation capacity will
be concentrated in room A. In such a case, the cooling (heating) effi ciency of the units in room B may be slightly reduced.
Priority when using OUTDOOR UNIT QUIET operation.3.
< Example >
* Room A is the priority room in the examples.
Just by setting the unit in room A to QUIET operation, the air conditioner starts OUTDOOR UNIT QUIET operation.
You don’t have to set all the operated indoor units to QUIET operation.
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24
Care and Cleaning
CAUTION
Before cleaning, be sure to stop the operation and turn the breaker off.
Units
Indoor unit, outdoor unit and remote controller
Wipe them with a soft cloth when dirty.
Front panel
Open the front panel.1.
Hold the front panel by the panel tabs on the both sides •
and open it.
Remove the front panel.2.
Slide the front panel to either the left or right and pulling it •
toward you.
This will disconnect the rotation dowel on one side.
Disconnect the front panel shaft on the other side in the •
same manner.
Clean the front panel.3.
Wipe it with a soft cloth soaked in water.•
Only neutral detergent may be used.•
If you wash the panel with water, wipe it with a dry soft cloth, and allow to dry in the shade.•
Attach the front panel.4.
Align the front panel shaft on the left and right of the front panel with the slots, •
then push them all the way in.
Close the front panel slowly. (Press the panel at both sides and the center.)•
CAUTION
When the packaging materials are attached to the front panel, please remove them.•
Do not touch the metal parts of the indoor unit. If you touch those parts, this may cause an injury.•
When removing or attaching the front panel, use a robust and stable stool and watch your steps carefully.•
When removing or attaching the front panel, support the panel securely with hand to prevent it from falling.•
For cleaning, do not use hot water above 104°F (40°C), benzine, gasoline, thinner, nor other volatile oils, •
polishing compound, scrubbing brushes, nor other hand stuff.
After cleaning, make sure that the front panel is securely fi xed.
•
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25
English
Filters
Open the front panel. 1.
Page 24
Pull out the air fi lters.2.
Push a little upwards the tab at the center of each air fi lter, •
then pull it down.
Take off the air-purifying 3.
fi lter with photocatalytic
deodorizing function.
Press the top of the air-cleaning fi lter onto the tabs •
(3 at top). Then press the bottom of the fi lter up slightly,
and press it onto the tabs (2 at bottom).
Clean or replace each fi lter.4.
See fi gure.
Set the air fi lter and the air-purifying fi lter with photocatalytic 5.
deodorizing function as they were and close the front panel.
Press the front panel at both sides and the center.•
Tabs (2 at bottom)
Tabs (3 at top)
CAUTION
Do not touch the aluminum fi ns by bare hand at the time of dismounting or mounting the fi lter.•
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26
Care and Cleaning
Air fi lter
Wash the air fi lters with water or clean them with vacuum cleaner.
If the dust does not come off easily, wash them with neutral detergent thinned with lukewarm water, then dry them up in the •
shade.
It is recommended to clean the air fi lters every 2 weeks.•
Air-purifying fi lter with photocatalytic deodorizing function
The air-purifying fi lter with photocatalytic deodorizing function can be renewed by washing it with water once every 6 months.
We recommend replacing it once every 3 years.
[Maintenance]
Vacuum dust, and soak in warm water or water for about 10 to 15 1.
minutes if dirt is heavy.
Do not remove fi lter from frame when washing with water.•
After washing, shake off remaining water and dry in the shade.2.
Since the material is made out of paper, do not wring out the fi lter when removing water from it.•
[Replacement]
Remove the tabs on the fi lter frame and replace with a new fi lter.1.
Dispose of the old fi lters as fl ammable waste.•
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27
English
NOTE
Operation with dirty fi lters:•
cannot deodorize the air,1)
cannot clean the air,2)
results in poor heating or cooling,3)
may cause odor.4)
To order air-purifying fi lter with photocatalytic deodorizing function contact to the service shop there you purchased the air •
conditioner.
Dispose of the old fi lters as fl ammable waste. •
Item Part No.
Air-purifying fi lter with photocatalytic deodorizing function (without frame) 1 set KAF952A42
ATTENTION
Do not throw away the fi lter frame. Reuse the fi lter frame when replacing the air-purifying fi lter with photocatalytic deodorizing function.•
CHECK
Check that the base, stand and other fi ttings of the outdoor unit are not decayed or corroded.
Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit.
Check that the drain comes smoothly out of the drain hose during COOL or DRY operation.
If no drain water is seen, water may be leaking from the indoor unit. Stop operation and consult the service shop if this is the •
case.
Before a long idle period
Operate the FAN only for several hours on a nice day to dry out 1.
the inside.
Press • and select “ ” operation.
Press •
and start operation.
After operation stops, turn off the breaker for the room air 2.
conditioner.
Clean the air fi lters and set them again.
3.
Take out batteries from the remote controller.4.
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28
Troubleshooting
These incidents are not malfunctions.
The following incidents do not indicate a malfunctioning air conditioner and have explanations. The air conditioner can continue to
operate.
Case Explanation
Operation does not start soon.
When “ON/OFF” button was pressed soon after •
operation was stopped.
When the mode was reselected.
•
This is to protect the air conditioner.•
You should wait for about 3 minutes.
Hot air does not fl ow out soon after the
start of HEAT operation.
The air conditioner is warming up. You should wait for 1 to 4 minutes.•
(The system is designed to start discharging air only after it has reached a certain
temperature.)
The HEAT operation stops suddenly and
a fl owing sound is heard.
The system is taking away the frost on the outdoor unit.•
You should wait for about 4 to 12 minutes.
The outdoor unit emits water or steam.
In HEAT operation
The frost on the outdoor unit melts into water or steam when the air conditioner is in •
defrost operation.
In COOL or DRY operation
Moisture in the air condenses into water on the cool surface of outdoor unit piping and •
drips.
Mist comes out of the indoor unit.
This happens when the air in the room is cooled into mist by the cold airfl ow
during COOL operation.
This is because the air in the room is cooled by the heat exchanger and
becomes mist during defrost operation.
The indoor unit gives out odor.
This happens when smells of the room, furniture, or cigarettes are absorbed
into the unit and discharged with the airfl ow.
If this happens, it is recommended to have the indoor unit washed by a
technician. Consult the service shop where you purchased the air conditioner.
The outdoor fan rotates while the air
conditioner is not in operation.
After operation is stopped
The outdoor fan continues rotating for another 60 seconds for system protection.•
While the air conditioner is not in operation
When the outdoor temperature is very high, the outdoor fan starts rotating for system •
protection.
Operation stopped suddenly.
(OPERATION lamp is on.)
For system protection, the air conditioner may stop operating on a sudden large voltage •
fl uctuation.
It automatically resumes operation in about 3 minutes.
No remote controller signals are
displayed.
Remote controller sensitivity is low.
Display is low in contrast or blacked out.
Display runs out of control.
The batteries are dying and the remote controller is malfunctioning. Replace all the •
batteries with new size batteries, AAA.LR03 (alkaline). For details, refer to set the batteries
of this manual.
Page 8
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29
English
Case Explanation
Possible sounds.
Flowing water
Generated because the refrigerant in the air conditioner is fl owing.•
This is a pumping sound of the water in the air conditioner and heard when the water is •
pumped out from the air conditioner in cooling or drying operation.
The refrigerant fl ows in the air conditioner even if the air conditioner is not working when
•
the indoor units in other rooms are in operation.
Blowing
Generated when the fl ow of the refrigerant in the air conditioner is switched over.•
Pinging
Generated when the size of the air conditioner slightly expands or shrinks as a result of •
temperature changes.
Check again.
Please check again before calling a repair person.
Case Check
The air conditioner does not operate.
(OPERATION lamp is off.)
Is a breaker off or a fuse blown?•
Is there a power failure?•
Are batteries set in the remote controller?•
Is the timer setting correct?•
Cooling (Heating) effect is poor.
Are the air fi lters clean?•
Is there anything to block the air inlet or the outlet of the indoor and the outdoor units?•
Is the temperature setting appropriate?•
Are the windows and doors closed?•
Are the airfl ow rate and the airfl ow direction set appropriately?•
Operation stopped suddenly.
(OPERATION lamp fl ashes.)
Are the air fi lters clean?•
Is there anything to block the air inlet or the outlet of the indoor and the outdoor units?•
Clean the air fi lters or take all obstacles away and turn the breaker off. Then turn it on •
again and try operating the air conditioner with the remote controller. If the lamp still
fl ashes, call the service shop where you purchased the air conditioner.
Are operation modes all the same for indoor units connected to outdoor units in the multi
•
system?
If not, set all indoor units to the same operating mode and confi rm that the lamps fl ash.
Moreover, when the operating mode is in AUTO, set all indoor unit operating modes to
COOL or HEAT for a moment and check again that the lamps are normal.
If the lamps stop fl ashing after the above steps, there is no malfunction.
Page 22
An abnormal functioning happens during
operation.
The air conditioner may malfunction with lightning or radio waves. Turn the breaker off, •
turn it on again and try operating the air conditioner with the remote controller.
The louvers do not immediately swing.
The louvers move soon after startup.
The air conditioner is adjusting the louvers position. The louvers will start moving soon.•
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30
Troubleshooting
Call the service shop immediately.
WARNING
When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker off.
Continued operation in an abnormal condition may result in malfunctioning, electric shocks or fi re.
Consult the service shop where you purchased the air conditioner.
Do not attempt to repair or modify the air conditioner by yourself.
Incorrect work may result in electric shocks or fi re.
Consult the service shop where you purchased the air conditioner.
If one of the following symptoms occurs, call the service shop immediately.
The power cord is abnormally hot or damaged.
An abnormal sound is heard during operation.
The safety breaker, a fuse, or the ground leakage breaker
cuts off the operation frequently.
A switch or a button often fails to work properly.
There is a burning smell.
Water leaks from the indoor unit.
Turn the breaker off and call the service shop.
After a power failure
The air conditioner automatically resumes operation in about 3 minutes. Wait for it to restart.
Lightning
If lightning may strike the neighboring area, stop operation and turn the breaker off for system protection.
Disposal requirements
Dismantling the unit, and treatment of refrigerant, oil, and other parts, should be done in accordance with the relevant local and •
national regulations.
We recommend periodic maintenance.
In certain operating conditions, the inside of the air conditioner may get soiled after several seasons of use, resulting in poor
performance. It is recommended to have periodic maintenance by a specialist aside from regular cleaning by the user.
For specialist maintenance, contact the service shop where you purchased the air conditioner.
The maintenance cost must be born by the user.
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31
English
Fault diagnosis.
Fault diagnosis by remote controller
The remote controller can receive a corresponding error code from the indoor unit.
When 1.
is held down for 5 seconds, a “ ” indication blinks on the temperature display section.
Press 2.
repeatedly until a continuous beep is produced.
The code indication changes as displayed in the following table, and notifi es with a long beep.•
CODE MEANING
SYSTEM
00 NORMAL
U0 REFRIGERANT SHORTAGE
U2 DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
U4 FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
INDOOR
UNIT
A1 INDOOR PCB DEFECTIVENESS
A5 HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
A6 FAN MOTOR FAULT
C4 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9 FAULTY SUCTION AIR TEMPERATURE SENSOR
OUTDOOR
UNIT
EA COOLING-HEATING SWITCHING ERROR
E5 OL STARTED
E6 FAULTY COMPRESSOR START UP
E7 DC FAN MOTOR FAULT
E8 OVERCURRENT INPUT
F3 HIGH TEMPERATURE DISCHARGE PIPE CONTROL
H6 OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
H8 DC CURRENT SENSOR FAULT
H9 FAULTY SUCTION AIR TEMPERATURE SENSOR
J3 FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
J6 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
L4 HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
L5 OUTPUT OVERCURRENT
P4 FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
NOTE
A short beep and two consecutive beeps indicate non-corresponding codes.•
To cancel the code display, hold •
for 5 seconds. The code display also cancel itself if the button is not pressed for
1 minute.
TIMER CANCEL button
Cancels the timer setting.
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MEMO
32
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3P232717-3D M08B054B
(0911)
HT
Two-dimensional bar code is a code
for manufacturing.
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