Fujitsu 9-12-15RLS3 User manual

En-1PART No. 9320455026
Español Français English
AIR CONDITIONER
Wall Mounted Type
OPERATING MANUAL
Before using this product, read these instructions thoroughly and keep this manual for future reference.
Safety Precautions
To prevent personal injury to others, or property damage, read this section carefully before you use this product, and be sure to comply to the
following safety precautions.
Incorrect operation due to failure to follow the instructions may cause harm or damage, the seriousness of which is classified as follows:
WARNING CAUTION
This mark warns of death or serious injury. This mark warns of injury or damage to property.
WARNING
●Do not attempt to install this air conditioner by yourself.
●This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs.
●When moving, consult authorized service personnel for disconnection and installation of the unit.
●Do not become excessively chilled by staying for lengthy periods in the direct cooling airflow.
●Do not insert anything into the Airflow direction.
●Do not start and stop air conditioner operation by disconnecting the power supply cord.
●Take care not to damage the power supply cord.
●If the power supply cord of this appliance is damaged, it should only be replaced by the authorized service personal, since special
purpose tools and specified cord are required.
●In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the breaker, and consult authorized service
personnel.
●In the event of refrigerant leakage, be sure to keep away from fire or any flammables. (consult an authorized service personnel)
CAUTION
●Provide occasional ventilation during use.
●Do not direct airflow at fireplaces or heating apparatus.
●Do not climb on, or place objects on, the air conditioner.
●Do not hang objects from the indoor unit.
●Do not set flower vases or water containers on top of air conditioners.
●Do not place any other electrical products or household belongings under indoor unit or outdoor unit. Dripping condensation from
the unit might get them wet, and may cause damage or malfunction of your property.
●Do not expose the air conditioner directly to water.
●Do not operate the air conditioner with wet hands.
●Do not pull power supply cord.
●Turn off power source when not using the unit for extended periods.
●Check the condition of the installation stand for damage.
●Do not place animals or plants in the direct path of the airflow.
●Do not drink the water drained from the air conditioner.
●Do not use in applications involving the storage of foods, plants or animals, precision equipment, or art works.
●Do not touch the aluminum fins of heat exchanger built-in the indoor or outdoor unit to avoid personal injury when you install or
maintain the unit.
●Connection valves become hot during Heating; handle with care.
●Do not apply any heavy pressure to radiator fins.
●Operate only with air filters installed.
●Do not block or cover the intake grille and outlet port.
●Ensure that any electronic equipment is at least 40 in. (1 m) away from either the indoor or outdoor units.
●Avoid installing the air conditioner near a fireplace or other heating apparatus.
●When installing the indoor and outdoor unit, take precautions to prevent access to infants.
●Do not use inflammable gases near the air conditioner.
●This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack
of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person
responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
Contents
Safety Precautions ..........................................................En-1
Indoor Unit Overview and Operations .............................En-2
Remote Controller Overview and Operations..................En-3
Timer Operation...............................................................En-5
Human Sensor (Energy Saving)......................................En-7
General Informations on Operation .................................En-7
Cleaning and Care...........................................................En-8
Troubleshooting.............................................................En-10
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En-2 OPERATING MANUAL
1Intake grille
Before starting operation, make sure that the intake grille has been
shut completely. Incomplete closing may have an effect on the proper
function or performance of the product.
2MANUAL AUTO button
Use when the remote controller is lost or there is a malfunction.
Status Action Mode or operation
In operation Press more than 3 seconds. Stop
Stopping Press more than 3 seconds and
less than 10 seconds. AUTO
Press more than 10 seconds.
(Only for servicing.*) Forced cooling
After cleaning Press less than 3 seconds. Filter indicator reset
*:To stop forced cooling, press this button or START/STOP button on
the remote controller.
3Front panel
4Human Sensor See page 7
Used for Energy Saving Program. Controls temperature setting by
detecting people in the room.
5Vertical airflow direction louver
Each time you press Vertical SET button on the remote controller, the
angle of the vertical airflow direction louver moves as follows:
1
2
3
4
5678
COOL or DRY mode HEAT mode
12
3765
*48 *
*: Default setting in each mode.
• Do not adjust by hand.
• At the beginning of AUTO or HEAT mode, they may stay on position
1 for a while for adjustment.
• If the angle is set to position 5-8 for more than 30 minutes in COOL
or DRY mode, the louver will automatically return to position 4.
• Keeping the position 5-8 during COOL or DRY mode may cause
condensation to form, and the drops may damage your property.
6Power diffuser
In conjunction with movement of the vertical airflow direction louver,
the angle of the power diffuser moves as follows:
Vertical airflow
direction louver
Power diffuser
376
5
4
2
18
• In SWING operation, power diffuser does not move.
7Horizontal airflow direction louver
Each time you press the Horizontal SET button on the remote controller,
the airflow direction range of the horizontal airflow direction louver will
change as follows:
12
3
4
5
Horizontal airflow direction louver
54 13
*2
*: Default setting.
8Drain hose
9Remote controller signal receiver
CAUTION
For appropriate signal transmission between remote controller and
indoor unit, keep the signal receiver away from the following items :
- Direct sunlight or other strong lights
- Flat-panel television screen
In rooms with instantaneous fluorescent lights, such as in-
verter type ones, the signal may not be transmitted properly. In
such a case, consult the store of purchase.
1
14
13
11
12
8
3
4
2
7
5
6
10
9
0ECONOMY indicator (green)
Lights in ECONOMY operation and in MIN. HEAT operation.
ATIMER indicator (orange)
Lights in TIMER operation, and blinks slowly when the timer setting
error is detected.
For details, refer to “Auto-restart function” on page 7.
BOPERATION indicator (green)
Lights in normal operation, and blinks slowly in Automatic defrosting
operation.
See page 9
CAir filter
See page 9
DAir cleaning filters
Purify or deodorize the air, and provide fresh airflow.
Indoor unit accessories
Remote
controller
Batteries Air cleaning filters Filter holders
Remote controller
holder
Tapping screws
(M3 × 12 mm)
WARNING
Take care to prevent infants and young children from accidentally swal-
lowing the batteries.
Remote controller holder installation
321
Screws
Insert
Slide up
Indoor Unit Overview and Operations
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En-3
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
CAUTION
• To prevent malfunction or damage of the remote controller:
- Place remote controller at where will not be exposed to direct sunlight or excessive heat.
- Remove batteries if the product is not going to be used for an extended period.
- Exhausted batteries must be removed immediately, and be disposed according to the local laws and regulations of your region.
• If leaking battery fluid comes in contact with your skin, eyes, or mouth, immediately rinse with plenty of clean water, and consult your physician.
• Obstacles such as a curtain or wall between the remote controller and the indoor unit may affect the appropriate signal transmission.
• Do not apply strong shocks to the remote controller.
• Do not pour water on the remote controller.
• Do not attempt to recharge dry batteries.
Battery (R03/LR03/AAA × 2) loading and remote controller preparation
1
4
2
3
6
7
8
5
9
5Press CLOCK ADJUST button to start clock setting.
6Set the day of the week by pressing SELECT button (Monday to
Sunday). *By pressing the TEMP. () buttons, the time indicator
can be changed from a 24-hour to a 12-hour clock.
7Press NEXT button to continue.
8Set the time by pressing SELECT button.
Pressing or changes the value by the minute.
Pressing down on or changes the value by 10 minutes.
9To complete, press the SEND button close to the indoor unit.
Settings may not be properly sent if pressed from a distance.
Notes:
• Use specified type of batteries only.
• Do not mix different types or new and used batteries together.
• Batteries can be used about 1 year in ordinary use.
• If the remote control range noticeably shortens, replace the batter-
ies, and press RESET button as shown in page 4.
Remote Controller Overview and Operations
You can quickly start operation with the following 3 steps:
1START/STOP button
2MODE button
Switches operation mode in following order.
AUTO COOL DRY FAN HEAT
Notes in HEAT mode:
• At the beginning of the operation, the indoor unit operates at very
low fan speed for about 3–5 minutes for preparation, then switches
to the selected fan speed.
• Automatic defrosting operation overrides the heating operation when
necessary.
3TEMP. (temperature) buttons
Sets the desired temperature.
In COOL or DRY mode, the temperature needs to be set lower than
the current room temperature. In HEAT mode, the temperature needs
to be set higher than the current room temperature.
Otherwise, corresponding operation mode may not start.
Temperature setting range
AUTO/COOL/DRY 64-88°F (18–30 °C)
HEAT 60-88°F (16–30 °C)
Notes: Temperature control is not available in FAN mode.
To change the temperature unit.
1. Press the TEMP. (Up) button () for at least 5 seconds to display
the current temperature unit. (Factory setting: °F)
2. Press the TEMP. buttons (/) to switch the temperature unit.
(°F ↔°C)
3. With either of pressing the START/STOP button or no additional
button operation for 30 seconds in step 2., the temperature unit
currently selected will be set. (continued)
22
19
20
18
23
2
21
3
1
5
6
7
17
24
4
11
16
15
8
9
10
14
13
12
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En-4 OPERATING MANUAL
4Remote controller display
In this section, all the possible indicators are displayed for description.
In actual operation, the display is linked with the button operation, and
only shows the necessary indicators for each setting.
5POWERFUL button
Activates the POWERFUL operation.
The unit will operate at maximum power and strong airflow to quickly
cool down or warm up the room.
When activated, the indoor unit will emit 3 short beeps.
To turn off, press the POWERFUL button again. The indoor unit will
then emit 2 short beeps.
POWERFUL operation is automatically turned off in the following
situations:
• Adjusted room temperature reaches the set temperature in COOL,
DRY, or HEAT mode.
• 20 minutes have passed after the POWERFUL operation mode has
been set.
Even in situations above, the POWERFUL operation will not
automatically turn off unless it has run for a certain amount of time.
Notes:
• The airflow direction and the fan speed are controlled automatically.
• This operation cannot be performed simultaneously with ECONOMY
operation.
• POWERFUL operation will override the OUTDOOR UNIT LOW
NOISE, ENERGY SAVING functions. Both functions, if set, will start
after the POWERFUL operation is turned off.
6MIN. (MINIMUM) HEAT button
Starts MIN. HEAT operation that maintains the room temperature at
50 °F (10 °C) so as to prevent the room temperature to drop too low.
When you press the button to start the MIN. HEAT operation, the
indoor unit emits 2 short beeps and the ECONOMY indicator (green)
turns on.
Notes:
• In MIN. HEAT operation mode, only vertical airflow direction can be
adjusted by using SET button.
• HEAT mode will not be performed if the room temperature is warm
enough.
7Signal transmitter
Aim at the signal receiver of the indoor unit properly.
• Signal transmit indicator on the remote controller display shows
that the signal from the remote controller is being transmitted.
• Operating range is approximately 22 ft (7 m).
• You will hear a beep if the transmitted signal has been sent properly.
If there is no beep, press the button on the remote controller again.
8FAN button
Controls the fan speed.
(AUTO) (HIGH) (MED) (LOW) (QUIET)
• When AUTO is selected, the fan speed is automatically adjusted
according to the operation mode.
9SWING button
Sets the automatic swing operation. Each time the SWING button is
pressed, the operation will change.
Up/down Left/right Up/down/left/right Stop swing
• The Left/right swing operation will follow the direction as shown on
page 2 “Horizontal airflow direction louver”
• The Up/down Swing operation range will differ by mode as follows:
COOL, DRY, or FAN
mode HEAT or FAN mode
123487
6
5
5
1
2
3
4
5678
Notes:
• SWING operation may stop temporarily when the indoor unit fan is
rotating at very low speed or is stopped.
• In FAN mode, the Up/down swing operation range of 1 5 or 6 
8 is decided according to the airflow direction previously set before
starting the swing operation.
Remote Controller Overview and Operations
See page 2
0Vertical SET button
Adjusts the vertical airflow direction.
See page 2
AHorizontal SET button
Adjusts the horizontal airflow direction.
See page 6
BWEEKLY timer button
Activates the WEEKLY timer for a maximum of 4 on or off programs
per day, each day of the week.
See page 6
CSLEEP timer button
Activates the SLEEP timer that helps you to fall asleep comfortably
with gradual temperature control.
See page 5
DON/OFF timer button
Activates the ON/OFF timer.
ENEXT button
Used for adjusting the timer setting.
FBACK button
Used for adjusting the timer setting.
GRESET button
When you press the RESET button, press it gently by using the tip of
a ballpoint pen or other small object in correct direction as shown in
this figure.
RESET
See page 3
HCLOCK ADJUST button
Used for adjusting the clock.
ISEND button
Used for sending the timer/clock setting.
See page 5
JTIMER SETTING button
Used to enter the timer setting mode.
KSELECT button
Used for adjusting the clock or timer.
LOUTDOOR UNIT LOW NOISE button
Starts or stops OUTDOOR UNIT LOW NOISE operation that lowers
noise generated from the outdoor unit by cutting down the rotation
number of the compressor, and suppressing the fan speed.
Once the operation is set, the setting is preserved until you press this
button again to stop the operation, even if the indoor unit operation is
stopped.
on the remote controller display shows that the unit is in
OUTDOOR UNIT LOW NOISE mode.
Notes:
• This operation cannot be performed simultaneously with FAN, DRY
and POWERFUL operation modes.
MECONOMY button
Starts or stops ECONOMY operation that saves more electricity
than other operation modes by changing the set temperature to a
moderate setting.
By pressing the ECONOMY button, the ECONOMY indicator on the
indoor unit turns on.
• In COOL or DRY mode, the room temperature will be adjusted a few
degrees higher than the set temperature.
• In HEAT mode, the room temperature will be adjusted a few
degrees lower than the set temperature.
Notes:
• In COOL, HEAT, or DRY mode, the maximum output of this
operation is approximately 70 % of usual air conditioning operation.
• This operation cannot be performed during temperature monitoring
by AUTO mode.
(continued)
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En-5
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
The air conditioner custom code is set to A prior to shipment.
Contact your retailer to change the custom code.
The remote controller resets to custom code A when the batteries in
the remote controller are replaced. If you use a custom code other
than custom code A, reset the custom code after replacing the bat-
teries. If you do not know the air conditioner custom code setting, try
each of the custom codes (A →B →C →D) until you find the code
which operates the air conditioner.

Wired Remote Controller (Option)
The optional wired remote controller can be used.
When you use remote controller, there are following different points as
compared with using wireless remote controller.
[The additional functions for wired ones]
• Weekly timer
• Temperature set back timer
And you can use both wired and wireless remote controller simultane-
ously.
(But function is limited)
When the restricted functions on the remote controller are used, beep-
ing sound will be heard, OPERATION, TIMER and the 3rd lamp of the
indoor unit will flash.
[The restricted functions for wireless ones]
• SLEEP TIMER
• ON/OFF TIMER
• PROGRAM TIMER
• WEEKLY TIMER
• MIN. HEAT OPERATION
• POWERFUL OPERATION
• ENERGY SAVING PROGRAM
• OUTDOOR UNIT LOW NOISE OPERATION
See page 7
N
SENSOR button (ENERGY SAVING PROGRAM)
Activates or deactivates the energy saving program.
* The Energy Saving program is ON at the time of purchase.
: The setting must be done while the setting screen is displayed for
each function.
: The button is controllable only when the air conditioner is on.
Remote controller custom code setting
Use the following steps to select the custom
code of the remote controller.
(Note that the air conditioner cannot receive
a custom code if the air conditioner has not
been set for the custom code.)
1.Press the START/STOP button until only the
clock is displayed on the remote controller
display.
2.Press the MODE button for at least five
seconds to display the current custom code
(initially set to A).
3.Press the SET TEMP. ( / ) button to change the custom code
between A →B →C →D.
Match the code on the display to the air conditioner custom code.
4.Press the MODE button again to return to the clock display. The
custom code will be changed.
If no buttons are pressed within 30 seconds after the custom code
is displayed, the system returns to the original clock display. In this
case, start again from step 1.
Timer Operation
Remote Controller Overview and Operations
Note for timer settings:
Any interruption of the power supply, such as a blackout or cutting off of a circuit breaker, makes the set internal clock go wrong.
In such a case, the TIMER indicator on the indoor unit blinks, and you need to readjust the setting.
ON timer or OFF timer
You can set the ON timer or OFF timer with the following steps.
1. Press the TIMER SETTING button to start the setting.
The WEEKLY indicator will be flashing on the remote controller.
2. Press the SELECT button to choose the desired mode. The mode
will change as follows:
WEEKLY ON/OFF
(ON) ON/OFF (OFF) ON/OFF
(ON

OFF) SLEEP
(OFF)
3. Press the NEXT button. Continue to setting for each mode.
* To cancel timer setting during the setting process, press the
TIMER SETTING button again.
4. Adjust the time by pressing the SELECT button while the clock
indicator is blinking. Each time you press the button, the time will
change by +5/-5 minutes. Pressing down will change the time by
+10/-10 minutes.
5. Press the SEND button.
To redo the timer setting, perform step 1 to 5 again.
To cancel the ON/OFF timer, press the ON/OFF button while the ON/
OFF indicator is on. (Erases the indicator)
Program timer (combined use of the ON timer and the OFF timer)
You can set an integrated ON–OFF or OFF–ON timer.
Either of the timer whose configured starting time is closer to the
current time works first, and the order of timer operation is displayed
as follows:
Timer Indicator on remote controller display
ON–OFF timer
OFF–ON timer
To set the program timer, conduct the same steps ①~⑤for the ON/
OFF timer. (Select ONOFF in Step 2)
Notes:
• If you change the setting value for the timer after the program timer
is set, the counting down of the timer will be reset at that moment.
• Time setting for each combination should be within a span of 24 hours .
(continued)
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En-6 OPERATING MANUAL
Timer Operation
SLEEP timer
To set the SLEEP timer, first follow steps 1~3 for the ON/OFF timer.
4. Adjust the time by pressing the SELECT button while the clock
indicator is blinking.
Each time you press the button, the time changes as follows:
9H
00M
7H
00M
5H
00M
3H
00M
2H
00M
1H
00M
0H
30M
hours
(30 min.)
5. Press the SEND button.
To cancel the SLEEP timer, press the SLEEP button while the SLEEP
indicator is on. (Erases the indicator)
To help you to fall asleep comfortably and prevent excessive warming
or cooling in sleep, the SLEEP timer controls the temperature setting
automatically in accordance with the set time shown as follows. The
air conditioner completely turns off after the set time has elapsed.
In HEAT mode
Set
temperature
Set time
1 hour
Set time
1 hour
1.5 hour
30 min.
2 °F (1 °C) 4°F (2 °C) 6°F (3 °C) 8°F (4 °C)
4°F (2 °C)
2 °F (1 °C)
In COOL or DRY mode
WEEKLY timer
ON and OFF timer can be combined, and up to 4 reservations (program
) per day and 28 reservations per week.
Before setting the program, please set the week and time of the air
conditioner first.
If the week and time are not set, the weekly timer will not operate
correctly at the set time.
Please refer to "remote controller preparation" (page 3).
Example of WEEKLY timer 1
No timer settings
Program
9:00 OFF
Program
11:00 OFF
Program
17:00 OFF
Program
23:00 OFF
Monday to
Friday
Saturday
Sunday
Program
7:00 ON 76°F (24 °C)
Program
9:00 OFF
Wake up Leave for work
Program
17:00 ON 80°F (26 °C)
Program
23:00 OFF
Come back home Go to sleep
ON ON ON ON
Example of WEEKLY timer 2
You can specify a given temperature in the ON setting in WEEKLY
timer.
Program
7:00 ON 72°F (22 °C)
Program
9:00 ON 76°F (24 °C)
Program
17:00 ON 80°F (26 °C)
Program
23:00 ON 72°F (22 °C)
* You can set the temperature for AUTO, COOL, and DRY modes within
the range of 64-88°F (18-30 °C), for Heat mode the range is 50 or 60-
88°F (10 or 16-30 °C).
Even if you set to 50, 60 or 62°F (10, 16 or 17 °C), if you run the product
on AUTO, COOL, or DRY, it will run at 64°F (18 °C).
Notes:
● Operations modes other than the temperature setting will be the same
at the last time operation was stopped, so Cooling →Heating →
Cooling →Heating type of operations cannot be automatically set.
●If you set the ON timer and OFF timer on the same time, the air
conditioner will run the ON timer. If two ON timer are set at the
same time, the air conditioner will run in the order of the program
number.
●If there is a power interruption, such as due to a power outage
during the WEEKLY timer setting or a circuit breaker cutting out,
the internal timer of the air-conditioning will be incorrect. (See page
7 "Auto-restart".) In such a case, the main timer lamp will notify you
of this by flashing, so carry out matching of the time and date. (See
page 3 "remote controller preparation".)
●You cannot use the WEEKLY timer together with the other timers.
If you want to run the product on WEEKLY timer after using the ON/
OFF Timer, Program Timer, or SLEEP Timer while the WEEKLY
timer is running, you need to activate the WEEKLY timer again.
To set the WEEKLY timer, first follow steps 1~3 on page 5 for
the ON/OFF timer.
4. Select the program number and the day using the SELECT button.
Program 1Week Program Monday Program Tuesday Program Sunday
Program 1Week Program Monday Program Saturday Program Sunday
Press the NEXT button, when the program number and day you
want to set are flashing.
5. Using the SELECT button select the operation mode (ON timer,
OFF timer, or without a timer).
To operate without a timer
1.  Press the NEXT button to go back to step4and configure the
next setting.
2. Press the SEND button to finish
Press the NEXT button.
6. Press the SELECT button to set the desired ON time or OFF time.
If you selected OFF in step 5
1. Press the NEXT button to go back to step 4 and configure the
next setting.
2. Press the SEND button.
Press the NEXT button.
7. Press the SELECT button to set the temperature.
If you want to move on to the next setting, press the NEXT button,
return to step 4 and configure the next setting.
8. To complete the setting, press the SEND button.
If you want to cancel the setting midway, please press the
TIMER SETTING button instead of pressing the SEND button.
Notes:
●When canceling the WEEKLY timer, select No Timer Operation in
Step 5 in the WEEKLY timer setting.
●If you want to go back to the previous step when configuring
settings, press the BACK button to return to the previous step.
●Press the SEND button, when you are close to the main unit. If you
do so when far from the main unit, the signal may not get properly
sent, and the settings may not get properly configured.
●To check the schedule, repeat steps 1 to 3 to enter the WEEKLY
timer mode, then use the SELECT button to browse through the
WEEKLY timer settings in the order shown in step 4.
●To cancel the WEEKLY timer, press the WEEKLY button while the
WEEKLY indicator is on. (Erases the indicator)
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En-7
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
Human Sensor (Energy Saving)
To prevent waste of electricity, this function controls the temperature
setting when no one is occupying the room. Energy Saving program is
on at the time of purchase.
1. To activate the Energy Saving program, press the SENSOR button.
indicator will be flashing on the remote controller
display.
2. To deactivate the Energy Saving program, press the SENSOR
button again.
will no longer be shown on the remote controller
display.
About the ENERGY SAVING Operation
If no one enters the room for approximately 20 minutes, the set
temperature will be automatically controlled.
(When someone comes back into the room, the human sensor will
detect this, and automatically revert to the original settings.)
Operation
mode
Operating details
(if there is no one in the room for a while)
COOL/DRY The set temperature will be increased by a maximum of
approximately 4°F (2°C).
HEAT The set temperature will be decreased by a maximum
of approximately 8°F (4°C).
AUTO This runs the ENERGY SAVING function automatically
for the selected mode (Cooling/ Heating/ Drying).
●When using together with the SLEEP timer (page 6), the SLEEP
timer will be prioritized.
●During MIN. HEAT operation, if there is no one in the room the set
temperature will not be changed.
90°
22 ft (7 m)
22 ft
(7 m)
50° 50°
●Application range is follows.
Vertical angle 90° (Side view) Horizontal angle 100° (Top view)
ENERGY SAVING function may not work when the room temperature is
very different from the temperature defined in temperature setting, such
as when immediately after starting the operation.
About the HUMAN SENSOR
● Details about detection with the human sensor

●The human sensor detects whether there are people in the room
by looking for movement by people in the room.
● Since the human sensor detects infrared light given out by
people, there may be cases where this detection is incorrect.
Situations in which the sensor will detect no people in the
room, even when there is someone there
● When the temperature is high and the difference with be-
tween people’s body temperature is small.
(Such as during the summer when the temperature is 88°F
(30°C) or higher)
● When there is someone in the room, but they do not move
for a long period of time.
● When someone is hidden behind a sofa, other furniture,
glass, or in similar situations.
● When someone is wearing extremely thick clothing and has
their back facing the sensor.
Situations in which the sensor will incorrectly detect people
in the room, even when there is no one there
● When there is a dog or a cat moving around in the room.
● When the wind is making curtains or plants move.
● When there are heating units, humidifiers, or electric appli-
ances such as oscillating electric fans operating.
Notice
Auto-restart function
In event of power interruption such as a blackout, the air
conditioner stops once. But it restarts automatically and
performs previous operation when the power supply is resumed.
If any power interruption occurs after the timer is set, counting
down of the timer will be reset.
After the power supply is resumed, the TIMER indicator on the
indoor unit blinks to notify you that there has been a timer fault.
In such a case, reset the timer for your opportune time.
Malfunctions caused by other electrical devices:
Use of other electrical appliances such as an electric shaver or
nearby use of a wireless radio transmitter may cause the malfunction
of the air conditioner.
If you encounter such a malfunction, turn off the circuit breaker once.
Then turn it on again, and resume operation by using the remote
controller.
Automatic defrosting operation
When outdoor temperature is very low with high humidity, frost
may form on the outdoor unit during the heating operation, and
it could reduce the operating performance of the product.
For frost protection, a microcomputer-controlled automatic
defrost function is equipped in this air conditioner.
If frost forms, the air conditioner will temporarily stop, and
defrost circuit will operate briefly (maximum of 15 minutes.)
OPERATION indicator on the indoor unit blinks during this
operation.
If frost forms on the outdoor unit after the heating operation, the
outdoor unit will stop automatically after it operates for a few
minutes. Then the automatic defrosting operation starts.
General Informations on Operation
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En-8 OPERATING MANUAL
Cleaning and Care
CAUTION
• Before cleaning the indoor unit, be sure to turn it off and all the power supply has been disconnected.
• Before starting operation, make sure that the intake grille has been shut completely. Incomplete closing of the intake grille might have an effect
on the proper working or performance of the air conditioner.
• Do not touch the aluminum fins of heat exchanger built-in the indoor unit to avoid personal injury when you maintain the unit.
• Do not expose the indoor unit to liquid insecticides or hair sprays.
• Do not stand on slippery, uneven or unstable surfaces when you maintain the unit.
Daily care
When cleaning the indoor unit body, mind the following:
• Do not use water hotter than 104 °F (40 °C).
• Do not use scouring cleanser, volatile solvents such as benzene or thinner.
• Wipe the unit gently by using soft cloth.
Cleaning the intake grille
1. Open the intake grille in direction of the arrow a. While gently
pressing the left and right mounting shafts of the intake grille
outward b, remove the intake grille in direction of the arrow c.
a
a
b
c
b
c
2. Wash the intake grille gently with water or wipe it gently with a soft
cloth moisten with warm water.
Then wipe it with a dry and soft cloth.
3. While holding the grille horizontal, set the left and right mounting
shafts into the pillow blocks at the top of the panel a. To latch each
shaft properly, insert the shaft until it snaps.
Then close the intake grille b.
a
a
bb
4. Press 4 places on the intake grille to close it completely.
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En-9
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
3. Attach new or maintained air cleaning filter d to the filter holder.
New air cleaning filter can be attached to either of the right holder or
the left holder.
d
4. Latch 2 corners of the filter holder eto the air filter firmly.
ee
5. Reinstall the air filter. (Refer to step 6 in “Cleaning the air filter”.)
6. Close the intake grille firmly.
(Refer to step 4 in “Cleaning the intake grille”.)
Following 2 types of air cleaning filters are used in this product.
When you replace them, purchase dedicated air cleaning filters for this
product.
APPLE-CATECHIN FILTER: UTR-FA16
(1 sheet)
With using static electricity, purifies the air by removing fine particles
or dust such as tobacco smoke or plant pollen.
• This filter is disposable. Do not wash or reuse it.
• Once you open the package, use it as soon as possible. The
cleaning effect is reduced if the filter is left the package opened.
• Replace the filter once every 3 months under normal use.
• With setting the fan speed high, the air cleaning effect increases.
ION DEODORIZATION FILTER (light blue): UTR-FA16-2
(Light blue, 1 sheet)
Contained super micro-ceramic particles produce negative air ions,
that is considered to have deodorizing effect, absorb and reduce
room smell.
• To maintain the deodorizing effect, clean the filter once every 3
months as follows:
1. Remove the ion deodorization filter.
2. Flush the filter with high-pressure hot water until the surface of
the filter is covered with water.
3. Wash the filter gently with diluted neutral detergent. Do not wash
it by wringing or rubbing to prevent reducing the deodorizing
effect by damage.
4. Rinse the filter well with water flow.
5. Dry the filter thoroughly in shaded place.
6. Reinstall the ion deodorization filter to the indoor unit.
• Replace the filter once every 3 years under normal use.
After extended non-use of the unit
If you have shut down the indoor unit for 1 month or more, perform the
FAN operation for half a day to dry the internal parts throughly before
you perform normal operation.
Additional inspection
After long period of use, accumulated dust inside the indoor unit may
reduce the product performance even if you have maintained the unit
with instructed daily care or cleaning procedures written in this manual.
In such a case, the product inspection is recommended.
For more information, consult authorized service personnel.
Cleaning the air filters
Mind that you have a periodical cleaning of the air filters to prevent
reducing the operation efficiency of the product.
Using of clogged air filter with dust will lower the product performance,
and may cause airflow reduction or increase of operating noise.
Clean the air filters once every 2 weeks under normal use.
1. Open the intake grille.
(Refer to
aof step 1 in “Cleaning the intake grille”.)
2. While holding the intake grille with your hand, pull up the handle a
of the filter in direction of the arrow and release the 2 claws b.
Then pull the filter out with gently sliding it downward c.
a
bb
a
c
3. Filter holder and air cleaning filter are attached on the rear side
of the air filter. Remove them from the air filter by unlatching each
corner of the filter holder d.
d
d
d
d
4.
Remove dust by using a vacuum cleaner or by washing the filter.
When you wash the filter, use neutral household detergent and
warm water.
After rinse the filter well, dry it throughly in a shaded place before
you reinstall it.
5. Attach the air cleaning filter and the filter holder to each air filter.
6. Attach the air filter with aligning both side of the filter with the front
panel, and push in the filter fully.
Note:
Make sure that 2 claws are firmly snapped to the guide holes on the
panel.
7. Close the intake grille firmly.
(Refer to step 4 in “Cleaning the intake grille”.)
Replacing the air cleaning filter
1. Remove the air filter. (Refer to step 1 in “Cleaning the air filter”.)
2. Release 2 latches aof the filter holder, and turn over the holder in
direction of arrow b.
Remove the soiled air cleaning filter c.
Note:
Air cleaning filter is attached on each air filter.
aa
b
c
Cleaning and Care
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En-10 OPERATING MANUAL
WARNING
In following events, immediately stop operation of the air conditioner, and disconnect all the power supply by turning off the electrical breaker or
disconnect the power plug. Then consult your dealer or authorized service personnel.
As long as the unit is connected to the power supply, it is not insulated from the power supply even if the unit is turned off.
• Unit smells of something burning or emits smoke
• Water leaks from the unit
Following symptoms do not indicate the product malfunction, but they are normal functions or characteristics of this product.
Symptom Cause See page
Operation is delayed after
restart.
To prevent blowout of the fuse, the compressor will not operate during the protection circuit is working
for about 3 minutes after sudden OFF→ON operation of the power supply. –
Noise is heard. • During the operation or immediately after stopping the air conditioner, refrigerant flowing sound
may be heard. And it is particularly noticeable for 2–3 minutes after starting operation.
• During the operation, a slight squeaking sound produced by the minute expansion and contraction
of the front panel caused by temperature change may be heard.
–
During heating operation, a sizzling sound produced by the automatic defrosting operation may be
heard. 7
Smell coming from the unit. Absorbed room smell generated from interior textile, furniture, or cigarette smoke into the air condi-
tioner may be emitted. –
Mist or steam is emitted from
the unit.
In COOL or DRY mode, a thin mist generated by condensation formed with sudden cooling process
may be emitted. –
During heating operation, the fan built-in the outdoor unit may stops and rising steam generated by
the automatic defrosting operation may be seen. 7
Airflow is weak or stops. • Immediately after the heating operation is started, the fan speed stays temporarily very low to warm
up the internal parts of the unit.
• In HEAT mode, the outdoor unit stops and the indoor unit operates at very low fan speed if the
room temperature rises above the set temperature.
–
In HEAT mode, the indoor unit temporarily stops for maximum of 15 minutes to perform the automatic
defrosting operation while the OPERATION indicator is flashing. 7
In DRY mode, the indoor unit operates at low fan speed to adjust the room humidity, and may stop
from time to time. –
When the fan speed is set to “QUIET”, the fan rotates at very low speed and the airflow is reduced. –
When monitoring operation is performed in AUTO mode, the fan rotates at very low speed. –
Outdoor unit emits water. During heating operation, the outdoor unit may emit water generated by the automatic defrosting
operation. –
Before you call for or request servicing, troubleshoot a problem by performing following checks:
Symptom Diagnostic See page
Does not operate at all. Has the circuit breaker been turned off?
Has there been a power outage?
Has a fuse blown out or the circuit breaker been tripped?
–
Is the timer operating? 5
Poor cooling or heating perfor-
mance.
Is the air filter dirty? 9
Is the intake grill or outlet port of indoor unit blocked? –
Is the room temperature adjusted appropriately? 3
Is a window or door left opened?
Is direct or strong sunlight shinning into the room in cooling operation?
Are there other heating apparatus or computers operating, or too many people in the room in cool-
ing operation?
–
Is the fan speed set to “QUIET”?
When the fan speed setting is set to “QUIET”, noise reduction is prioritized and the air-conditioning
performance may become lower. If the volume of provided airflow is not agreeable to your prefer-
ence, set the fan speed to “LOW” or higher fan speed.
4
The unit operates differently
from the remote controller
setting.
Are the batteries used in the remote controller exhausted?
Are the batteries used in the remote controller loaded properly? 3
Immediately stop operation and turn off the electrical breaker in following cases. Then consult authorized service personnel.
• The problem persists even if you perform these checks or diagnostics.
• The OPERATION indicator and TIMER indicator blink while the ECONOMY indicator is blinking fast.
Troubleshooting
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