DAIKIN ROOM AIR CONDITIONER
MODELS FTXS15DVJU
FTXS18DVJU
Operation Manual
FTXS24DVJU
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READ BEFORE OPERATION
Safety precautions
• Keep this manual where the operator can easily find it.
• Read this manual carefully before starting the unit.
• For safety reason, the operator must read the following cautions carefully.
• This manual classifies precautions into WARNINGS and CAUTIONS. Be sure to follow all precautions
below: they are all important for ensuring safety.
WARNING
CAUTION
If you do not follow these instructions exactly, the unit may If you do not follow these instructions exactly, the unit may
cause property damage, personal injury or loss of life.
cause minor or moderate property damage or personal injury.
Never do.
Be sure to follow the instructions.
Never cause the air conditioner (including the
remote controller) to get wet.
Be sure to ground the air conditioner.
Never touch the air conditioner (including the
remote controller) with a wet hand.
WARNING
• In order to avoid fire, explosion or injury, do not operate the unit when in a harmful environment,
among which flammable or corrosive gases, are detected near the unit.
• It is not good for health to expose your body to the airflow for a long time.
• Do not put your finger, a rod or other objects into the air outlet or inlet. As the fan is rotating at a 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
modifications could cause electric shocks, fire or other damage.
For repairs and reinstallation, consult your Daikin dealer for advice and information.
• The refrigerant used in the air conditioner is safe. Although leaks should not occur, if for some
reason any refrigerant happens to leak into the room, make sure it does not come in contact with
any flame such as gas heaters, kerosene heaters or gas range.
• If the air conditioner is not cooling (heating) properly, the refrigerant may be leaking, contact your
authorized dealer or qualified service repairman.
When making repairs which requires adding refrigerant, consult with your authorized dealer or qualified
service repairman.
• Do not attempt to install the air conditioner by yourself. Improper installation could result in water leakage,
electric shocks or fire. For installation, consult your authorized dealer or a qualified technician.
• If you detect any abnormal smell or fire, stop the operation and turn off the breaker in order to avoid
electric shock, fire or injury. And call your authorized dealer for instructions.
CAUTION
• The air conditioner must be grounded to the earth. Improper grounding may result in electric
shocks. Do not connect the earth 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 airflow.
•
Do not place appliances which produce an open flame in places exposed to the airflow from the unit or under
the indoor unit. It may cause incomplete combustion of appliances or deformation of the indoor unit due to heat.
• Do not block air inlets or outlets. Impaired airflow 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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• 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 fittings for damage annually.
•
Do not touch the air inlet and aluminum fins 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 airflow of this appliance.
•
• Do not pull at the conduit or hang anything on it. Otherwise it will cause fire or electric shock.
• Do not touch the heat exchanger fins. Improper handling may result in injury.
• Do not turn off the power immediately after stopping operation. Always wait at least five minutes before
turning off the power. Otherwise, water leakage and trouble may occur.
• To avoid oxygen deficiency, ventilate the room sufficiently if equipment with a burner is used
together with the air conditioner.
•
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 specified. It may cause
improper operation or fire.
•
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.
•
•
Arrange the drain hose to ensure smooth drainage. Improper drainage may cause water damage to the building, or it’s furnishing.
Depending on the usage environment, water may leak from the air conditioner. If this happens, contact your Trane Dealer.
• 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. If children play with a plastic bag which was not torn apart, they face the
risk of suffocation.
• The remote controller should be installed in such away that children cannot play with it.
• 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
I To install the air conditioner in the following types of environments, consult your authorizede dealer.
• Places with an oily ambient or where steam or soot occurs.
• Salty environment such as coastal areas.
• Places where sulfide gas occurs such as hot springs.
• Places where snow may block the outdoor unit.
The drain from the outdoor unit must be discharged to a place of good drainage.
Consider nuisance to your neighbors from noises
I For installation, choose a place as described below.
•
•
A place solid enough to bear the weight of the unit which does not amplify the operation noise or vibration.
A place from where the air discharged from the outdoor unit or the operation noise will not annoy your neighbors.
Electrical work
•
For power supply, be sure to use a separate power circuit dedicated to the air conditioner. Follow all local and state electrical codes.
System relocation
• Relocating the air conditioner requires specialized knowledge and skills. Please consult your
authorized dealer if relocation is necessary for moving or remodeling.
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Names of parts
I Indoor Unit
4
5
3
1
2
9
10
8
6
7
11
12
13
14
I Main unit control panel
16
15
4
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I Outdoor Unit
17
19
20
21
18
I Indoor Unit
1. Air filter
14. Indoor Unit ON/OFF switch:
• Push this switch once to start operation.
Push once again to stop it.
2. Air-purifying filter with photo catalytic
deodorizing function:
•
The operation mode refers to the following table.
• These filters are attached to the inside of the
air filters.
Temperature
Mode
AUTO
Airflow rate
AUTO
setting
3. Air inlet
77°F
4. Front panel
• This switch is useful when the remote
controller is missing.
5. Panel tab
6. INTELLIGENT EYE sensor:
15. Room temperature sensor:
• It senses the air temperature around the unit.
16. Signal receiver:
•
It detects the movements of people and
automatically switches between normal operation
and energy saving operation. (page 18.)
• It receives signals from the remote controller.
7. Display
• When the unit receives a signal, you will hear a
short beep.
• Operation start ........beep-beep
• Settings changed......beep
• Operation stop..........beeeeep
8. Air outlet
9. Flaps (horizontal blades): (page 12.)
10. louvers (vertical blades):
•
The louvers are inside of the air outlet. (page 13.)
11. Operation lamp (green)
12. TIMER lamp (yellow): (page 20.)
13. HOME LEAVE lamp (red):
• Lights up when you use HOME LEAVE
Operation. (page 16.)
I Outdoor Unit
17. Air inlet: (Back and side)
18. Air outlet
20. Drain hose
21. Earth grounding terminal:
• It is inside of this cover.
19. Refrigerant piping and inter-unit cable
Appearance of the outdoor unit may differ from some models.
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I Remote Controller
1
O N
F
2
C
5
6
HOME LEAVE
POWERFUL
ON/OFF
3
4
TEMP
9
MODE
SILENT
FAN
7
8
11
SENSOR SWING
12
10
16
ON
CANCEL
13
OFF
TIMER
17
15
14
⟨ARC433A53 ⟩
1. Signal transmitter:
• It sends signals to the indoor unit.
2. Display:
8. SILENT button: for OUTDOOR UNIT SILENT
operation (page 15.)
9. FAN setting button:
• It selects the airflow rate setting.
• It displays the current settings.
(In this illustration, each section is shown with all
its displays ON for the purpose of explanation.)
10. SENSOR button: for INTELLIGENT EYE
operation (page 18.)
3. HOME LEAVE button:
11. SWING button: (page 12.)
• Flap (Horizontal blade)
for HOME LEAVE operation (page 16.)
4. POWERFUL button: (Maximum operation)
12. SWING button: (page 12.)
• Louver (Vertical blades)
for POWERFUL operation (page 14.)
5. TEMPERATURE adjustment buttons:
• It changes the temperature setting.
6. ON/OFF button:
13. ON TIMER button: (page 21.)
14. OFF TIMER button: (page 20.)
15. TIMER Setting button:
• It changes the time setting.
16. TIMER CANCEL button:
• It cancels the timer setting.
17. CLOCK button: (page 9.)
• Press this button once to start operation.
Press once again to stop it.
7. MODE selector button:
• It selects the operation mode.
(AUTO/DRY/COOL/HEAT/FAN) (page 10.)
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Preparation Before Operation
I To set the batteries
Position + and
– correctly!
1. Press
with a finger and slide the
front cover to take it off.
2
2. Set two dry batteries (AAA).
3. Set the front cover as before.
3
1
ATTENTION
I About batteries
• When replacing the batteries, use batteries of the same type, and replace the two old
batteries together.
• When the system is not used for a long time, take the batteries out. In case the remote
controller is not used for a long time remove all batteries in order to prevent liquid leak of the
battery.
• We recommend replacing once a year, although if the remote controller display begins to
fade or if reception deteriorates, please replace with new alkali batteries. Using manganese
batteries reduces the lifespan.
• 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.
• Pressing two or more buttons simultaneously may cause the strange display of the Remote
controller.
The Remote controller is not malfunction. In this case take the batteries out and reset them.
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Preparation Before Operation
I To operate the remote controller
• 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 about 23 Ft..
Receiver
I To fix the remote controller holder on the wall
1. Choose a place from where the signals reach the unit.
2. Fix the holder to a wall, a pillar, or similar location with
the screws procured locally.
Remote controller
holder
3. Place the remote controller in the remote controller
Set.
holder.
G
To remove, pull it upwards.
ATTENTION
I About remote controller
• Do not put the remote controller in the following places.
• In direct sunlight.
• In vicinity of a heater.
•
Dust on the signal transmitter or receiver will reduce the sensitivity. Wipe off dust with soft cloth.
• Signal communication may be disabled if an electronic-starter-type fluorescent lamp (such
as inverter-type lamps) is in the room. Consult your authorized dealer if that is the case.
• If the remote controller signals happen to operate another appliance, move that appliance to
somewhere else, or consult your authorized dealer.
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I To set the clock
1. Press “CLOCK button”.
is displayed.
blinks.
F
F
2. Press “TIMER setting button” to
set the clock to the present time.
Holding down “ ” or “ ” button
rapidly increases or decreases the time
display.
HOME LEAVE
POWERFUL
ON/OFF
TEMP
3. Press “CLOCK button”.
blinks.
MODE
SILENT
FAN
I Turn the breaker ON
SENSOR SWING
• Turning ON the breaker opens the flap, then
closes it again. (This is a normal procedure.)
2
ON
CANCEL
OFF
1.3
TIMER
NOTE
I 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 filters cause inefficient operation and waste energy.
Clean them once every two weeks.
Recommended temperature setting
For cooling: 78°F – 82°F
For heating: 68°F – 75°F
I Please note
• When the main power switch is turned on, some watts of electrictly is being used even if the system is
not operating.
Turn off the main power supply switch for saving energy.
•
If you are not going to use the air conditioner for a long period, for example in spring or autumn, turn the breaker OFF to save energy.
• Use the air conditioner in the following conditions.
Mode Operating conditions
If operation is continued out of this range
COOL Outdoor temperature: 14 to 115 °F
Indoor temperature: 64 to 90 °F
Indoor humidity: 80% max.
•
•
A safety device may work to stop the operation.
Condensation may occur on the indoor unit and drip.
HEAT Outdoor temperature: 5 to 64 °F
Indoor temperature: 50 to 86 °F
•
A safety device may work to stop the operation.
DRY
Outdoor temperature: 14 to 115 °F
Indoor temperature: 64 to 90 °F
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.
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OPERATION
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.
F
I To start operation
F
1. Press “MODE selector button” and select a
operation mode.
• Each pressing of the button advances the mode setting in
sequence.
4
HOME LEAVE
ON/OFF
: AUTO
: DRY
POWERFUL
TEMP
2, 3
1
: COOL
MODE
SILENT
FAN
: HEAT
: FAN
SENSOR SWING
5
ON
CANCEL
OFF
TIMER
2. Press “ON/OFF button” .
• The OPERATION lamp lights up.
I To stop operation
3. Press “ON/OFF button” again.
• Then OPERATION lamp goes off.
I To change the temperature setting
4. Press “TEMPERATURE adjustment button”
DRY or FAN mode
AUTO or COOL or HEAT mode
Press “ ” to raise the temperature and press “
lower the temperature.
” to
The temperature setting is not variable.
Set to the temperature you like.
F
C
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I To change the airflow rate setting
5. Press “FAN setting button”.
DRY mode
AUTO or COOL or HEAT or FAN mode
Five levels of airflow rate setting from “ ” to “ ” plus
” “ ” are available.
“
The airflow rate setting is not variable.
• Indoor unit quiet operation
When the airflow is set to “ ”, the noise from the indoor unit will become quieter.
Use this when making the indoor unit quieter.
The unit might lose capacity when the airflow rate is set to a low level.
NOTE
I Note 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
insufficient, 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 heating operation, it takes some time before the room gets warmer.
• In heating 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 flow out of indoor unit.
I 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 fan strength, so manual
adjustment of these functions is unavailable.
I Note on AUTO operation
• In AUTO operation, the system selects 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.
• If you do not like AUTO operation, you can manually select the operation mode and setting
you like.
I Note on airflow rate setting
• At smaller airflow rates, the cooling (heating) effect is also less.
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Adjusting the Airflow Direction
You can adjust the airflow direction to increase your comfort.
I To adjust the horizontal blade (flap)
O N
1. Press “SWING button
”.
F
F
• “
” is displayed on the LCD.
2. When the flap has reached the desired position,
press “SWING button
” once more.
• The flap will stop moving.
HOME LEAVE
POWERFUL
ON/OFF
TEMP
MODE
SILENT
FAN
1, 2
3, 4
SENSOR SWING
ON
CANCEL
OFF
TIMER
I To adjust the vertical blades (louvers)
3. Press “SWING button
”.
• “
” is displayed on the LCD.
4. When the louvers have reached the desired position, press the “SWING button
”
once more.
• The louvers will stop moving.
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I To 3-D Airflow
1. 3. Press the “SWING button
” and the “SWING button
”:
the “ ” and “ ” display will light up and the flap and louvers will move in turn.
I To cancel 3-D Airflow
2. 4. Press either the “SWING button
” or the “SWING button
”
Notes on louvers angles
I ATTENTION
• Always use a remote controller to adjust the louvers angles. In side the air outlet, a fan is
rotating at a high speed and may cause bodily injury if fan comes in contact with fingers.
Notes on flap angle
•
When “SWING button” is selected, the flaps swinging
range depends on the operation mode. (See the figure.)
In COOL or DRY mode
Three-Dimensional (3-D) Airflow
• Using three-dimensional airflow 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.
STOP
COOL
approx. 10˚~40˚
DRY
approx. 5˚~35˚
In HEAT or FAN mode
I ATTENTION
• Always use a remote controller to adjust the flaps
angle. If you attempt to move it forcibly with hand
when it is swinging, the mechanism may be broken.
• Be careful when adjusting the louvers. Inside the air
outlet, fan is rotating at a high speed and may cause
bodily injury if fan comes in contact with fingers.
STOP
HEAT
approx. 15˚~55˚
FAN
approx. 5˚~55˚
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POWERFUL Operation
POWERFUL operation quickly maximizes the cooling (heating)
effect in any operation mode. You can get the maximum capacity .
I To start POWERFUL operation
O N
F
1. Press “POWERFUL button”.
• POWERFUL operation ends in 20 minutes.
Then the system automatically operates again with the
settings which were used before POWERFUL operation.
• When using POWERFUL operation, there are some
functions which are not available.
HOME LEAVE
POWERFUL
ON/OFF
TEMP
FAN
1, 2
I To cancel POWERFUL operation
2. Press “POWERFUL button” again.
MODE
SILENT
SENSOR SWING
ON
CANCEL
OFF
TIMER
NOTE
I Notes on POWERFUL operation
• In COOL and HEAT mode
To maximize the cooling (heating) effect, the capacity of outdoor unit must be increased and
the airflow rate be fixed to the maximum setting.
The temperature and airflow settings are not variable.
• In DRY mode
The temperature setting is lowered by 4.5°F and the airflow rate is slightly increased.
• In FAN mode
The airflow rate is fixed to the maximum setting.
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OUTDOOR UNIT SILENT Operation
OUTDOOR UNIT SILENT operation lowers the noise level of the
outdoor unit by changing the fan speed on the outdoor unit.
This function is convenient during night.
I To start OUTDOOR UNIT SILENT
F
F
operation
1. Press “SILENT button”.
I To cancel OUTDOOR UNIT SILENT
HOME LEAVE
ON/OFF
operation
POWERFUL
TEMP
2. Press “SILENT button” again.
MODE
SILENT
FAN
SENSOR SWING
1, 2
ON
CANCEL
OFF
TIMER
NOTE
I Note on OUTDOOR UNIT SILENT operation
• This function is available in COOL, HEAT, and AUTO modes.
(This is not available in FAN and DRY mode.)
•
POWERFUL operation and OUTDOOR UNIT SILENT operation cannot be used at the same time.
Priority is given to POWERFUL operation.
• If operation is stopped using the remote controller or the main unit ON/OFF switch when
using OUTDOOR UNIT SILENT operation, “ ” will remain on the remote controller display.
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HOME LEAVE Operation
HOME LEAVE operation is a function which allows you to
record your preferred temperature and airflow rate settings.
I To start HOME LEAVE
operation
1. Press “HOME LEAVE button” .
F
• The HOME LEAVE lamp lights up.
F
1, 2
HOME LEAVE
POWERFUL
ON/OFF
TEMP
I To cancel HOME LEAVE operation
2. Press “HOME LEAVE button” again.
• The HOME LEAVE lamp goes off.
MODE
SILENT
FAN
SENSOR SWING
ON
CANCEL
OFF
TIMER
Before using HOME LEAVE operation.
I To set the temperature and airflow rate for HOME LEAVE operation
When using HOME LEAVE operation for the first time, please set the temperature and airflow
rate for HOME LEAVE operation. Record your preferred temperature and airflow rate.
Initial setting
Selectable range
Airflow rate
temperature
Airflow rate
AUTO
temperature
64-90°F
50-86°F
Cooling
Heating
77°F
5 step, AUTO and SILENT
5 step, AUTO and SILENT
77°F
AUTO
1. Press “HOME LEAVE button”. Make sure “ ” is displayed in the remote
controller display.
2. Adjust the set temperature with “ ” or “ ” as you like.
3. Adjust the airflow rate with “FAN” setting button as you like.
Home leave operation will run with these settings the next time you use the unit. To change the
recorded information, repeat steps 1 – 3.
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I What’s the HOME LEAVE operation
Is there a set temperature and airflow rate which is most comfortable, a set temperature and airflow rate
which you use the most? HOME LEAVE operation is a function that allows you to record your favorite set
temperature and airflow rate. You can start your favorite operation mode simply by pressing the HOME
LEAVE button on the remote controller. This function is convenient in the following situations.
I Useful in these cases.
1. Use as an energy-saving mode
Set the temperature 2-3° higher (cooling) or lower (heating) 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, push the “HOME
LEAVE Operation” button, 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.
Push the “HOME LEAVE
Operation” button 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!
2. Use as a favorite mode
Once you record the temperature and airflow rate settings you most often use, you can retrieve them by
pressing HOME LEAVE button. You do not have to go through troublesome remote control operations.
NOTE
• Once the temperature and airflow 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 mode. It cannot be used in
AUTO, DRY, and FAN mode.
• 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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INTELLIGENT EYE Operation
“INTELLIGENT EYE” is the infrared sensor which detects the
human movement.
I To start INTELLIGENT EYE operation
F
1. Press “SENSOR button”.
F
I To cancel the
INTELLIGENT EYE
operation
HOME LEAVE
ON/OFF
POWERFUL
TEMP
2. Press “SENSOR button” again.
[EX.]
When somebody is in theroom
• Normal operation
MODE
SILENT
FAN
SENSOR
SWING
SWING
1, 2
ON
CANCEL
When nobody is in the room
OFF
TIMER
• 20 min. after, start energy saving
operation.
When somebody is back in the room
• Back to normal operation.
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“INTELLIGENT EYE” is useful for Energy Saving
I Energy saving operation
• Change the temperature –3.6°F in heating / +3.6°F in cooling / +1.8°F in dry mode from set
temperature.
• Decrease the airflow rate slightly in fan operation. (In FAN mode only)
Notes on “INTELLIGENT EYE”
• Application range is as follows.
Vertical angle 90˚
Horizontal angle 110˚
(Side View)
(Top View)
55˚ 55˚
90˚
• Sensor may not detect moving objects further than 23Ft. 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, fluttering curtains and light reflected 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 your use of INTELLIGENT EYE operation.
CAUTION
• Do not place large objects near the sensor.
Also keep heating units or humidifiers outside the sensor’s detection area. This sensor can
detect objects it shouldn’t as well as not detect objects it should.
• Do not hit or violently push the INTELLIGENT EYE sensor. This can lead to damage and
malfunction.
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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.
F
I To use OFF TIMER operation
F
• Check that the clock is correct.
If not, set the clock to the present time. (page 9.)
1. Press “OFF TIMER button”.
is displayed.
blinks.
HOME LEAVE
POWERFUL
ON/OFF
TEMP
2. Press “TIMER Setting button” until the time
setting reaches the point you like.
• Every pressing of either button increases or decreases
the time setting by 10 minutes. Holding down either
button changes the setting rapidly.
MODE
SILENT
FAN
SENSOR SWING
3. Press “OFF TIMER button” again.
ON
CANCEL
4
• The TIMER lamp lights up.
OFF
2
TIMER
1.3
I To cancel the OFF TIMER operation
4. Press “CANCEL button”.
• The TIMER lamp goes off.
Notes
• 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 lost
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.
I NIGHT SET MODE
When the OFF TIMER is set, the air conditioner automatically adjusts the temperature setting (1°F
up in COOL, 3.6°F down in HEAT) to prevent excessive cooling (heating) for your pleasant sleep.
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I To use ON TIMER operation
• Check that the clock is correct. If not, set the clock to the
present time. (page 9.)
1. Press “ON TIMER button”.
is displayed.
F
F
blinks.
2. Press “TIMER Setting button” until the time
setting reaches the point you like.
• Every pressing of either button increases or decreases
the time setting by 10 minutes. Holding down either
button changes the setting rapidly.
HOME LEAVE
POWERFUL
ON/OFF
TEMP
3. Press “ON TIMER button” again.
•
The TIMER lamp lights up.
MODE
SILENT
FAN
SENSOR SWING
1.3
4
ON
CANCEL
OFF
2
TIMER
I To cancel ON TIMER operation
4. Press “CANCEL button”.
• The TIMER lamp goes off.
I To combine ON TIMER and OFF TIMER
• A sample setting for combining the two timers is shown below.
(Example)
Present time: 11:00 PM
(The unit operating)
OFF TIMER at 0:00 a.m.
Combined
ON TIMER at 7:00 a.m.
ATTENTION
I 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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CARE
Care and Cleaning
Before cleaning, be sure to stop the operation and
turn the breaker OFF.
CAUTION
Units
To avoid possible bodily injury, units should be shutoff or disconnected before any cleaning or servicing is attempted.
I Indoor unit, Outdoor unit and Remote controller
1. Wipe them with dry soft cloth.
I Front panel
1. Open the front panel.
• Hold the panel by the tabs on the two sides and
lift it until it stops with a click.
2. Remove the front panel.
• Open the front panel further while sliding it to
either the left or right and pulling it toward you.
This will disconnect the rotation dowel on one
side. Then disconnect the rotation dowel on the
other side in the same manner.
3. Clean the front panel
• Wipe it with a soft cloth soaked in water.
• Only neutral detergent may be used.
• In case of washing the panel with water, dry it with cloth, dry it up in the shade after washing.
4. Attach the front panel
• Align the rotation dowels 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
• Don’t 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, 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 fixed.
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Filters
1. Open the front panel. (page 22)
2. Pull out the air filters.
• Push a little upwards the tab at the center of
each air filter, then pull it down.
3. Take off the air-purifying filter with photo catalytic
deodorizing function.
• Press the top of the air-cleaning filter onto the tabs (3 tabs at top).
Then press the bottom of the filter up slightly, and press it onto the
tabs (3 at bottom).
tabs (3 tabs at top)
tabs (3 at bottom)
4. Clean or replace each filter.
See below.
5. Set the air filter and the air-purifying filter with photo
calaytic deodorizing function as they were and close the
front panel.
• Press the front panel at both sides and the center.
I Air Filter
1. Wash the air filters 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 filters every two weeks.
I Air-purifying filter with photo catalytic deodorizing function. (gray)
The Air-purifying filter with photo catalytic deodorizing function can be renewed by washing it with water
once every 6 months. We recommend replacing it once every 3 years.
[ Maintenance ]
1. Remove dust with a vacuum cleaner and wash lightly with water.
2. If it is very dirty, soak it for 10 to 15 minutes in water mixed with a neutral cleaning agent.
3. After washing, shake off remaining water and dry in the shade.
4. Since the material is made out of paper, do not wring out the filter when removing
water from it.
[ Replacement]
1. Remove the tabs on the filter frame and replace with a new filter.
• Dispose of the old filter as flammable waste.
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Check
Check that the base, stand and other fittings of the outdoor unit are not decayed or corroded. Check the
units to ensure they are level and secure.
Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit.
Check that the water drains 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 your
authorized dealer.
I Before a long idle period
1. Operate the “FAN only” for several hours on a warm day to dry out the inside.
• Press “MODE” button and select “FAN” operation.
• Press “ON/OFF” button and start operation.
2. After operation stops, turn off the electrical circuit breaker for the room air
conditioner.
3. Remove and clean the air filters. Reinstall filters after cleaning.
4. Take out batteries from the remote controller.
NOTE
• Operation with dirty filters:
(1) cannot deodorize the air.
(3) results in poor heating or cooling.
(2) cannot clean the air.
(4) may cause odor.
• To order air-purifying filter with photo catalytic deodorizing function contact your authorized
dealer where you bought the air conditioner.
• Dispose of old filters as required by local codes.
Item
Part No.
Air-purifying filter with photo catalytic deodorizing function.
(without frame) 1 set
KAF952A42
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TROUBLE SHOOTING
Trouble Shooting
Conditions that appear to be abnormal but are not operational problems.
The following cases are not abnormal problems and you may just continue using it.
Case
Explanation
Operation does not start quickly. • This is to protect the air conditioner.
• When ON/OFF button was pressed
soon after operation was stopped.
You should wait for about 3 minutes.
• When the mode was reselected.
Hot air does not flow out soon
after the start of heating
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 heating operation stops
suddenly and a flowing sound is
heard.
• The system is taking away the frost on the outdoor unit.
You should wait for about 3 to 8 minutes.
The outdoor unit emits water or
steam.
I In HEAT mode
• The frost on the outdoor unit melts into water or steam when
the air conditioner is in defrost operation.
I In COOL or DRY mode
• Moisture in the air condenses into water on the cool
surface of outdoor unit piping and drips.
Mists come out of the indoor unit. I This happens when the air in the room is cooled into mist by the
cold airflow during cooling operation.
The indoor unit gives out odor.
I This happens when smells of the room, furniture, or
cigarettes are absorbed into the unit and discharged with the
airflow.
(If this happens, we recommend you to have the indoor unit
washed by a technician. Consult your authorized dealer where
you bought the air conditioner.)
The outdoor fan rotates while the I After operation is stopped:
air conditioner is not in operation. • The outdoor fan continues rotating for another 60
seconds for system protection.
I While the air conditioner is not in operation:
• When the outdoor temperature is very high, the out door fan
starts rotating for system protection.
The operation stopped suddenly. I For system protection, the air conditioner may stop
(OPERATION lamp is on)
operating on a sudden large voltage fluctuation.
It automatically resumes operation in about 3 minutes.
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Check again.
Please check again before calling a repair person.
Case
Check
The air conditioner does not
operate.
(OPERATION lamp is off)
• Has a breaker been turned OFF or a fuse blown?
• Is there a power failure?
• Are fresh batteries installed in the remote controller?
• Is the timer setting correct?
Cooling (Heating) effect is poor.
• Are the air filters clean?
• Is anything blocking 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 airflow rate and the air direction set appropriately?
• Are the air filters clean?
• Is there anything blocking the air inlet or the outlet of the indoor
and the outdoor units?
Operation stops suddenly.
(OPERATION lamp flashes.)
Turn the electrical breaker off, clean the air filters or remove
obstacles away from inlet and outlet. Then turn the breaker ON
again and try operating the air conditioner with the remote
controller. If the lamp still blinks, call your authorized dealer
where you bought the air conditioner.
An abnormal functioning happens • The air conditioner may malfunction with lightning or radio
during operation.
waves. Turn the circuit breaker OFF, to reset unit. Then turn it ON
again and try operating the air conditioner with the remote
controller.
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Call your authorized dealer immediately.
WARNING
I When an abnormality (such as a burning smell) occurs, stop operation and turn the circuit breaker OFF.
Continued operation in an abnormal condition may result in troubles, electric shocks or fire.
Consult your authorized dealer where you bought the air conditioner.
I Do not attempt to repair or modify the air conditioner by yourself.
Work performed by untrained persons could result in electric shocks, personal injury, fire, or additional
damage to equipment.
Consult your authorized dealer where you bought the air conditioner.
If one of the following symptoms takes place, call your authorized dealer immediately.
I The power cord is abnormally hot or damaged.
I An abnormal sound is heard during operation.
Turn the breaker
I The safety breaker, a fuse, or the ground leakage
OFF and call
breaker cuts off the operation frequently.
your authorized
I A switch or a button often fails to work properly.
dealer.
I There is a burning smell.
I Water leaks from the indoor unit.
I After a power failure
I Lightning
The air conditioner automatically resumes
operation in about 3 minutes. You should just wait
for a while.
If lightning may strike the neighboring area, stop
operation and turn the breaker OFF for system
protection.
Disposal requirements
Dismantling of the unit, treatment of the refrigerant, oil and eventual other parts, should be done in
accordance with the relevant local and national regulations. Contact your authorized dealer for assitance.
We recommend periodical maintenance
In certain operating conditions, the inside of the air conditioner may get foul after several seasons of use,
resulting in poor performance. It is recommended to have periodical maintenance by a specialist aside from
regular cleaning by the user. For specialist maintenance, contact your authorized dealer where you bought
the air conditioner.
The maintenance cost must be born by the user.
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Fault diagnosis
FAULT DIAGNOSIS BY REMOTE CONTROLLER
In the ARC433A series, the temperature display sections on the main unit indicate corresponding codes.
1. When the TIMER CANCEL button is held down for 5 seconds, a “ ” indication flashes on the
temperature display section.
O N
F
F
HOME LEAVE
ON/OFF
POWERFUL
TEMP
MODE
SILENT
FAN
SENSOR SWING
ON
CANCEL
TIMER CANCEL button
It cancels the timer setting.
OFF
TIMER
2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced.
• The code indication changes as shown below, and notifies with a long beep.
CODE
00
MEANING
NORMAL
U0
U2
U4
A1
A5
A6
C4
C9
EA
E5
E6
E7
E8
F3
H6
H8
H9
J3
J6
L4
REFRIGERANT SHORTAGE
SYSTEM
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
INDOOR PCB DEFECTIVENESS
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
FAN MOTOR FAULT
INDOOR
UNIT
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
FAULTY SUCTION AIR TEMPERATURE SENSOR
COOLING-HEATING SWITCHING ERROR
OL STARTED
FAULTY COMPRESSOR START UP
DC FAN MOTOR FAULT
OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
CT ABNORMALITY
OUTDOOR
UNIT
FAULTY SUCTION AIR TEMPERATURE SENSOR
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
OUTPUT OVERCURRENT
L5
P4
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
NOTE
1.A short beep and two consecutive beeps indicate non-corresponding codes.
2.To cancel the code display, hold the TIMER CANCEL button down for 5 seconds. The code dis-
play also cancel itself if the button is not pressed for 1 minute.
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(0410) HT
3P141693-2C M04B017A
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