En-1
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, or property damage, read this section carefully before you use this product, and be sure to comply with the following safety precautions.
Incorrect operation due to failure to follow the instructions may cause harm or damage, the seriousness of which is classi¿ ed as follows:
WARNING CAUTION
This mark warns of death or serious injury. This mark warns of injury or damage to property.
This mark denotes an action that is PROHIBITED.
This mark denotes an action that is COMPULSORY.
WARNING
• This product contains no user-serviceable parts. Always
consult authorized service personnel for repairing, installation,
and relocation of this product.
Improper installation or handling will cause leakage, electric
shock, or ¿ re.
• In the event of a malfunction such as burning smell,
immediately stop operation of the air conditioner, and
disconnect all the power supply by turning off the electrical
breaker or disconnecting the power plug. Then consult
authorized service personnel.
•
Take care not to damage the power supply cable.
If it is damaged, it should only be replaced by authorized
service personnel.
• In the event of refrigerant leakage, be sure to keep away
from ¿ re or any À ammables, and consult authorized service
personnel.
• In the event of a thunder storm or any prior sign of a lightning
strike, turn off the air conditioner via the remote controller,
and refrain from touching the product or the power source to
prevent any electrical hazards.
• 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.
• Do not start or stop the operation of this product by inserting
or pulling out the power plug, or by turning on or off the
circuit breaker.
• Do not use À ammable gases near this product.
• Do not expose yourself directly to the cooling airÀ ow for
many hours.
• Do not insert your ¿ ngers or any other objects into outlet
port, open panel, or intake grille.
• Do not operate with wet hands.
CAUTION
• Provide occasional ventilation during use.
• Always operate the unit with air ¿ lters installed.
• Ensure that any electronic equipment is at least 1 m (40 in)
away from either the indoor unit or outdoor unit.
• Disconnect all the power supply when you are not using this
product for extended periods.
• After a long period of use, ensure to get the mounting of the
indoor unit checked to prevent this product from falling down.
• The airÀ ow direction and the room temperature should be
carefully considered when you use this product in a room
with infants, children, elderly or sick persons.
• Do not place any other electrical products or household
belongings under this product.
Dripping condensation from this product might get them wet,
and may cause damage or malfunction of your property.
• Do not expose this product directly to water.
• Do not use this product for preservation of food, plants,
animals, precision equipment, art work, or other objects. This
may cause quality deterioration of those items.
• Do not expose animals or plants to the direct airÀ ow.
• Do not drink the drainage from the air conditioner.
• Do not pull the power supply cable.
• Do not touch the aluminum ¿ ns of heat exchanger built-in
this product to avoid personal injury when you maintain the
unit.
• Do not stand on unstable steps when operating or cleaning
this product. It may overturn and can cause injury.
• Do not direct the airÀ ow at ¿ replaces or heating apparatus.
• Do not block or cover the intake grille and the outlet port.
• Do not apply any heavy pressure to radiator ¿ ns.
• Do not climb on, place objects on, or hang objects from this
product.
Contents
Safety Precautions ..........................................................En-1
Indoor Unit Overview and Operations .............................En-3
Remote Controller Overview and Operations ..................En-4
Timer Operation...............................................................En-6
Human Sensor (Energy Saving) ......................................En-8
General Information on Operation ...................................En-9
Cleaning and Care.........................................................En-10
Troubleshooting .............................................................En-12
PART No. 9387081039-02 [Original instructions]
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En-2
OPERATING MANUAL
Indoor unit accessories
Remote
controller
Batteries Air cleaning ¿ lters Filter holders
Remote controller
holder
Tapping screws
Remote controller holder installation
321
Screws
Insert
Slide up
WARNING
Take care to prevent infants and young children from acciden-
tally swallowing the batteries.
CAUTION
• Do not attempt to recharge dry batteries.
• Do not use dry batteries that has been recharged.
Battery (R03/LR03/AAA × 2) loading and remote controller preparation
4
2
3
1
6
7
8
5
9
5
Press "CLOCK ADJUST" button to start clock setting.
6
Set 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.
7
Press "NEXT" button to continue.
8
Set the time by pressing "SELECT" button.
Pressing
U
or
V
changes the value by the minute.
Pressing down on
U
or
V
changes the value by 10 minutes.
9
To complete, press the "SEND" button close to the indoor unit.
Settings may not be properly sent if pressed from a distance.
Notes:
• Use speci¿ ed 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 5.
En-3
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
1 Intake 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.
2 "MANUAL AUTO" button
Use when the remote controller is lost or there is a malfunction.
Status Action Mode or operation
In operation Press. Stop
Stopping Press less than 10 seconds. AUTO
Press more than 10 seconds.
(Only for servicing.*)
Forced cooling
*:To stop forced cooling, press this button or "Start/Stop( )" button
on the remote controller.
3 Front panel
See page 8
4 Human Sensor
Used for Energy Saving Function. Controls temperature setting by
detecting people in the room.
5 Vertical airÀ ow direction louver
Each time you press "Vertical SET" button on the remote controller,
the angle of the vertical airÀ ow direction louver moves as follows:
1
2
3
4
5
6
COOL or DRY mode HEAT mode
12
3
65
**
4
*: 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 4-6 for more than 20 minutes in COOL
or DRY mode, the louver will automatically return to position 3.
• Keeping the position 4-6 during COOL or DRY mode may cause
condensation to form, and the drops may damage your property.
6 Horizontal airÀ ow direction louver
Each time you press the "Horizontal SET" button on the remote
controller, the airÀ ow direction range of the horizontal airÀ ow direction
louver will change as follows:
1
2
3
4
5
Horizontal airÀ ow direction louver
54
1
3
*
2
*: Default setting.
7 Drain hose
8 Remote controller signal receiver
CAUTION
For appropriate signal transmission between remote controller
and indoor unit, keep the signal receiver away from the follow-
ing items:
- Direct sunlight or other strong lights
- Flat-panel television screen
In rooms with instantaneous À uorescent lights, such as
inverter type ones, the signal may not be transmitted properly.
In such a case, consult the store of purchase.
13
1
2
3
4
5
8
9
7
6
10
11
12
9
ECONOMY indicator (green)
Lights in ECONOMY operation and in 10 °C HEAT operation.
10
TIMER 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 9.
11 OPERATION indicator (green)
Lights in normal operation, and blinks slowly in Automatic defrosting
operation.
See page 10
12
Air ¿ lter
See page 11
13
Air cleaning ¿ lters
Purify or deodorize the air, and provide fresh airÀ ow.
Indoor Unit Overview and Operations
En-4
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 À uid 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.
Remote Controller Overview and Operations
22
19
20
18
23
17
21
2
24
11
16
15
8
9
10
14
12
13
3
1
5
6
7
4
You can quickly start operation with the following 3 steps:
1 "Start/Stop (
)" button
2 "MODE" 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.
Note in COOL mode:
Indoor unit fan may stop from time to time to perform Indoor unit fan
control for energy saving that enables power-saving operation by
stopping the rotation of the indoor unit fan when the outdoor unit is
stopped.
3 "TEMP. (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 18–30 °C
HEAT 16–30 °C
Notes:
Temperature control is not available in FAN mode.
4 Remote 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.
5 "POWERFUL" button
Activates the POWERFUL operation.
The unit will operate at maximum power and strong airÀ ow to quickly
cool down or warm up the room.
When activated, the indoor unit will emit 2 short beeps.
To turn off, press the "POWERFUL" button again. The indoor unit will
then emit 1 short beep.
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 airÀ ow 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.
6 "10 °C HEAT" button
Starts 10 °C HEAT operation that maintains the room temperature at
10 °C so as to prevent the room temperature to drop too low.
After pressing the button to start the 10 °C HEAT operation, the
indoor unit emits 2 short beeps and the ECONOMY indicator (green)
will turn on.
To turn off, press the "Start/Stop(
)" button. The Economy indicator
will turn off.
Notes:
• In 10 °C HEAT operation mode, only the vertical airÀ ow direction
can be adjusted by using the "Vertical SET" button.
• HEAT mode will not be performed if the room temperature is warm
enough.
(continued)
En-5
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
Remote Controller Overview and Operations (continued)
7 Signal 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 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.
8 "FAN" 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.
9 "SWING" 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 3 "Horizontal airÀ ow direction louver".
• The Up/down Swing operation range will differ by mode as follows:
COOL, DRY, or FAN
mode
HEAT or FAN mode
12
33
6
5
4
4
1
2
3
4
5
6
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
l
4 or 3
l
6 is decided according to the airÀ ow direction previously set before
starting the swing operation.
See page 3
10 "Vertical SET" button
Adjusts the vertical airÀ ow direction.
Notes:
• At the beginning of AUTO mode, you cannot change the airÀ ow
direction.
See page 3
11 "Horizontal SET" button
Adjusts the horizontal airÀ ow direction.
Notes:
• At the beginning of AUTO mode, you cannot change the airÀ ow
direction.
See page 6
12
"WEEKLY 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
13
"SLEEP timer" button
Activates the SLEEP timer that helps you to fall asleep comfortably
with gradual temperature control.
See page 6
14
"ON/OFF timer" button
Activates the ON/OFF timer.
15
"NEXT" button
Used for adjusting the timer setting.
16
"BACK" button
Used for adjusting the timer setting.
17 "RESET" 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 ¿ gure.
RESET
See page 2
18 "CLOCK ADJUST" button
Used for adjusting the clock.
19 "SEND" button
Used for sending the timer/clock setting.
See page 6
20 "TIMER SETTING" button
Used to enter the timer setting mode.
21 "SELECT" button
Used for adjusting the clock or timer.
22
"OUTDOOR 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.
23
"ECONOMY" 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.
See page 8
24
"SENSOR" button (ENERGY SAVING FUNCTION)
Activates or deactivates the energy saving function.
* The Energy Saving function 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.
En-6
OPERATING MANUAL
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.
Timer Operation
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 À ashing 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 steps 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 ONĺOFF or OFFĺON timer.
Either of the timer whose con¿ gured starting time is closer to the
current time works ¿ rst, and the order of timer operation is displayed
as follows:
Timer Indicator on remote controller display
ONĺOFF timer
OFFĺON timer
To set the program timer, conduct the same steps
①
~
⑤
for 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
.
SLEEP timer
To set the SLEEP timer, ¿ rst 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.
1 °C 2 °C 3 °C 4 °C
2 °C
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 con-
ditioner ¿ rst.
If the week and time are not set, the weekly timer will not operate cor-
rectly at the set time.
Please refer to "remote controller preparation" (page 2).
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
26°C
Program
9:00
OFF
Wake up
Leave for work
Program
17:00
ON
28°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
28°C
Program
9:00
ON
26°C
Program
17:00
ON
27°C
Program
23:00
ON
28°C
* You can set the temperature for AUTO, COOL, and DRY modes within
the range of 18-30°C, for Heat mode the range is 10 or 16-30°C.
Even if you set to 10, 16, or 17°C, if you run the product on AUTO,
COOL, or DRY, it will run at 18°C.
Notes:
Ɣ Operations modes other than the temperature setting will be the
same at the last time operation was stopped, so Cooling ĺ Heating
ĺ Cooling ĺ Heating type of operations cannot be automatically
set.
Ɣ 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.
Ɣ If there is a power interruption, such as due to a power outage dur-
ing the WEEKLY timer setting or a circuit breaker cutting out, the
internal timer of the air-conditioning will be incorrect. (See page
9 "Auto-restart".) In such a case, the main timer lamp will notify
you of this by À ashing, so carry out matching of the time and date.
(See page 2 "remote controller preparation".)
Ɣ 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.
(continued)
En-7
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
Timer Operation (continued)
To set the WEEKLY timer, ¿ rst follow steps
①
~
③
on page 6 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 À ashing.
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 4
and con¿ gure
the next setting.
2. Press the "SEND" button to ¿ nish.
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 con¿ gure
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 con¿ gure 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:
Ɣ When canceling the WEEKLY timer, select No Timer Operation in
Step 5 in the WEEKLY timer setting.
Ɣ If you want to go back to the previous step when con¿ guring set-
tings, press the "BACK" button to return to the previous step.
Ɣ 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 prop-
erly sent, and the settings may not get properly con¿ gured.
Ɣ 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.
Ɣ To cancel the WEEKLY timer, press the "WEEKLY timer" button
while the WEEKLY indicator is on. (Erases the indicator)
En-8
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 function is
on at the time of purchase.
1
To activate the Energy Saving function, press the "SENSOR"
button.
indicator will be À ashing on the remote controller
display.
2
To deactivate the Energy Saving function, press the "SENSOR"
button again.
will no longer be shown on the remote controller
display.
About the ENERGY SAVING Function
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 2ÛC.
HEAT
The set temperature will be decreased by a maximum
of approximately 4ÛC.
AUTO
This runs the ENERGY SAVING function automatically
for the selected mode (Cooling/ Heating/ Drying).
Ɣ When using together with the SLEEP timer (page 6), the SLEEP
timer will be prioritized.
Ɣ During 10°C HEAT operation, if there is no one in the room the
set temperature will not be changed.
Ɣ Application range is as follows.
Vertical angle 90° (Side view) Horizontal angle 100° (Top view)
7 m
7 m
90°
50° 50°
Energy Saving function may not work when the room temperature is
very different from the temperature de¿ ned in temperature setting, such
as when immediately after starting the operation.
About the HUMAN SENSOR
●
Details about detection with the human sensor
Ɣ
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 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, humidi¿ ers, or electric appli-
ances such as oscillating electric fans operating.
Notice
En-9
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
General Information on Operation
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 brieÀ y (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.
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.
Heating performance
This air conditioner operates on the heat-pump principle,
absorbing heat from air outdoors and transferring that heat
to the indoor unit. As a result, the operating performance is
reduced as outdoor air temperature drops. If you feel that the
heating performance is insuf¿ cient, we recommend you to use
this air conditioner in conjunction with other kinds of heating
appliance.
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 remote controller]
• Temperature set back timer
You can use both wired and wireless remote controller
simultaneously. (But function is limited.)
When the restricted functions on the remote controller are used, a
beeping sound will be heard, and the OPERATION, TIMER, and
ECONOMY indicators of the indoor unit will À ash.
[The restricted functions for wireless remote controller]
<Wired remote controller (Polar 3-wired)>
• Outdoor unit low noise
• Energy saving
• 10°C HEAT
• Powerful
• Timer operation
<Wired remote controller (Non-polar 2-wired)>
• Outdoor unit low noise
• 10°C HEAT
• Weekly timer
• Powerful
En-10
OPERATING MANUAL
Cleaning and Care
CAUTION
• Before cleaning this product, be sure to turn it off and disconnect all the power supply.
• 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 ¿ ns 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 40 °C.
• Do not use scouring cleanser, volatile solvents such as benzene or
thinner.
• Wipe the unit gently by using a 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
c
b
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
d
. To latch
each shaft properly, insert the shaft until it snaps.
Then close the intake grille
e
.
e
e
d
d
4
Press 4 places on the intake grille to close it completely.
Cleaning the air ¿ lters
1
Open the intake grille, and remove the air ¿ lters.
Lift up the air ¿ lter’s handle, disconnect the two lower tabs, and
pull out.
Air ¿ lter handle
Hooks (2 places)
2
Remove dust with a vacuum cleaner or by washing.
After washing, allow to dry thoroughly in a shaded place.
3
Replace the air ¿ lter and close the intake grille.
(1) Align the sides of the air ¿ lter with the panel, and push in fully,
making sure the two lower tabs are returned properly to their
holes in the panel.
Hooks (2 places)
(2) Close the intake grille.
• Dust can be cleaned from the air ¿ lter either with a vacuum cleaner,
or by washing the ¿ lter in a solution of mild detergent and warm
water. If you wash the ¿ lter, be sure to allow it to dry thoroughly in a
shady place before reinstalling.
• If dirt is allowed to accumulate on the air ¿ lter, airÀ ow will be
reduced, lowering operating ef¿ ciency and increasing noise.
• During periods of normal use, the air ¿ lters should be cleaned every
two weeks.
• Do not operate the air conditioner with the intake grille open.
En-11
AIR CONDITIONER Wall Mounted Type
OPERATING MANUAL
Cleaning and Care (continued)
Air cleaning ¿ lter installation
1
Open the intake grille and remove the air ¿ lters.
Air ¿ lter (Right & Left)
2
Install the air cleaning ¿ lter set (set of 2).
(1) Set the air cleaning ¿ lter into the air cleaning ¿ lter frame.
Air cleaning ¿ lter
Air cleaning ¿ lter frame
(2) Engage the latch at both ends of the ¿ lter with the two hooks
at the rear of the air cleaning ¿ lter frame.
Hook (2 places at the rear)
Latch (2 places)
Take care that the air cleaning ¿ lter does not project beyond the
frame.
(3) Engage the six ¿ xing locations at the top and bottom of the air
cleaning ¿ lter frame with the hooks of the air ¿ lter.
Rear of the ¿ lter
Fixing location,
hook (6 places)
3
Install the two air ¿ lters and close the intake grille.
• When air cleaning ¿ lters are used, the effect will increased by
setting the fan speed to “HIGH”.
Replacing dirty air cleaning ¿ lters
Replace ¿ lters with the following components (purchased separately).
• APPLE-CATECHIN FILTER: UTR-FA13-1
• ION DEODORIZATION FILTER: UTR-FA13-2
1
Open the intake grille and remove the air ¿ lters.
2
Replace them by two new air cleaning ¿ lters.
(1) Remove the old air cleaning ¿ lters in reverse order of their
installation.
(2) Install in the same way as for installation of the air cleaning
¿ lter set.
3
Install the two air ¿ lters and close the intake grille.
[In regard to the air cleaning ¿ lters]
APPLE-CATECHIN FILTER (1 sheet)
• The ¿ lters are disposable ¿ lters. (They can not be washed and
reused.)
• For storage of the ¿ lters, use the ¿ lters as soon as possible after the
package has been opened.
(The air cleaning effect decreases when the ¿ lters are left in the
opened package)
• Generally, the ¿ lters should be exchanged about every 3 months.
Please buy dedicated APPLE-CATECHIN FILTER (UTR-FA13-1)
(Sold separately) to exchange the used dirty air cleaning ¿ lters.
ION DEODORIZATION FILTER (1 sheet) - light blue
• The ¿ lters should be exchanged about every 3 years so as to
maintain the deodorizing effect.
Please buy dedicated ION DEODORIZATION FILTER (UTR-FA13-2)
(Sold separately) when exchanging the ¿ lters.
[Maintenance of ION DEODORIZATION FILTER]
In order to maintain the deodorizing effect, please clean the ¿ lter in the
following way every 3 months.
1.
Remove the ¿ lter.
2.
Clean with water and dry in the air.
(1) Flush the ¿ lters with high-pressure hot water until the surface
of the ¿ lters are covered with water. Please À ush with diluent
neutral detergent.
(Never wash by reaming or rubbing, otherwise it will damage
the deodorizing effect.)
(2) Rinse with water À ow.
(3) Dry in shade.
3.
Reinstall the ¿ lter.
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, a product inspection is recommended.
For more information, consult authorized service personnel.
En-12
OPERATING MANUAL
WARNING
In the following events, immediately stop operation of the air conditioner, and disconnect all the power supply by turning off the electrical
breaker or disconnecting 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 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 while the protection circuit is working
for about 3 minutes after sudden OFFĺON operation of the power supply.
–
Noise is heard. • During operation or immediately after stopping the air conditioner, refrigerant À owing sound may be
heard. Also it may be 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.
9
Smell coming from the unit. Various smells generated from interior textile, furniture, or cigarette smoke absorbed into the air
conditioner 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 stop and rising steam generated by the
automatic defrosting operation may be seen.
9
AirÀ ow is weak or stops. • Immediately after the heating operation is started, the fan speed stays very low temporarily 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 À ashing.
9
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 airÀ ow is reduced. –
In COOL mode, the indoor unit fan may stop from time to time when the outdoor unit is stopped. 4
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.
9
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?
6
Poor cooling or heating perfor-
mance.
Is the air ¿ lter dirty?
10
Is the intake grill or outlet port of indoor unit blocked?
–
Is the room temperature adjusted appropriately?
4
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 airÀ ow is not agreeable to your prefer-
ence, set the fan speed to “LOW” or higher fan speed.
5
Has the OUTDOOR UNIT LOW NOISE mode been set?
5
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?
2
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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4
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5
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7
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