National CS-A125KA Operating instructions

National
Brand
National
Model
CS-A125KA
Category
Split-system air conditioners
Type
Operating instructions
F563190
Room Air Conditioner
Indoor Outdoor
Model
CS-A95KA Model CU-A95KA
CS-A125KA CU-A125KA
OPERATING INSTRUCTIONS
ENGLISH / 
.....................
P. 1 – P. 28
Before using your air-conditioner, please
read this operating instructions carefully
and keep it for future reference.
1
CONTENTS

: FEATURES....................................................................... 3
: 
: SAFETY PRECAUTIONS........................................... 4 – 6
● Installation Precautions
● Operation Precautions
:  !
●  !"#
●  !"#
: NAME OF EACH PART ........................................... 7 – 10
● Indoor Unit
■ When the front panel is opened
● Outdoor Unit
● Accessories
● Remote Control
■ When the remote control is opened
■ How to use the remote control
■ When the back cover is opened
:  !"
● 
■  !"#
● 
● 
● 
■  !"#$%
■  !"#$
■  !"#$%
: PREPARATION BEFORE OPERATION ............... 11 – 12
● Indoor Unit
● Remote Control
■ Inserting batteries
■ Setting the clock
■ About the batteries
:  !"
● 
● 
■  !
■  !
■  !
: HOW TO OPERATE ............................................... 13 – 14
● Automatic • Heating • Cooling • Soft Dry
■ Operation details
● Adjusting Airflow Direction and Fan Speed
■ Operation details
: 
●  • =•==•= !
■  !
●  !" #
■  !
: SETTING THE TIMER ............................................ 15 – 16
● Recommended Setting of Timer
:  !
●  !"#
N
Before use
 !
O
How to use
 !
2
ENGLISH
====
: CONVENIENCE OPERATION ............................... 17 – 18
● Sleep Mode
■ Operation details
● Economy or Powerful Mode
■ Operation details
:  !"
●  !
■  !
●  !"#$
■  !
: CARE AND MAINTENANCE ................................. 19 – 22
● Cleaning the Indoor Unit and Remote Control
● Cleaning the Air Filter
● Cleaning the Front Panel
■ Removing the front panel
■ Fixing the front panel
■ Cleaning the front panel
● Replacing the Air Purifying Filters
■ Removing the air purifying filters
■ Reinstalling the air purifying filters
● Pre-season Inspection
● When the Air Conditioner is Not Used for an Extended
Period of Time
● Recommended Inspection
:  !"
●  !"#$%&
●  !"
●  !"
■  !"
■  !"
■  !"
●  !"#$%&
■  !"#$%&
■  !"#$%&'(
●  !"#
●  !"#$%&'
●  !
: TROUBLESHOOTING ........................................... 23 – 24
● Normal Operation
● Abnormal Operation
● Call the Dealer Immediately
:  !
●  !
●  !
●  !"#$
: HELPFUL INFORMATIONS........................................... 25
:  !"
: ENERGY SAVING AND OPERATION HINTS ............... 26
:  !"#$%&
P
If necessary
 !
3
FEATURES

Note:
Before using your air-conditioner, please read
this operating instructions carefully and keep
it for future reference.
W
 !"#$%&'()*+,-./0123
 !"#$%&'(
Thank you for purchasing a National Room Air
Conditioner.
 !"#$%&'()*
● `^qb`efk= !"#$
 !"#$%&'()*+,-./&
 !"#$%&'()*+,-./0
 !
 !=ON=
● AUTO RESTART CONTROL
Automatically restart the unit after power
failure.
(Refer page 25)
●  !"#
 !"#$%&'()*+
 !=OR=
● SELF-ILLUMINATING BUTTON
For your convenience to operate in the dark.
(Refer page 9)
●  !"
 !"#$%&'()
 !=V=
● AUTOMATIC OPERATION
Sense intake air temperature every hour to select
the optimum mode.
(Refer page 13)
●  !
 !"#$%&'()*+,-./0123
 !=NP=
● SLEEP MODE
Prevent the room from getting too hot or too cold
while you are sleeping.
(Refer page 17)
●  !
 !"#$%&'()'*+
 !=NT=
● ECONOMY MODE
To reduce electrical power consumption.
(Refer page 18)
●  !
 !"#$
 !=NU=
● POWERFUL MODE
Reaches the desired room temperature quickly.
(Refer page 18)
●  !
 !"#$%&
 !=NU=
● REMOVABLE FRONT PANEL
For quick and easy cleaning (washable).
(Refer page 20)
●  !"#
 !"#$%&#$'(
 !=OM=
● CATECHIN AIR PURIFYING FILTER
Filter that can trap dust, tobacco smoke and tiny
particles in the room. It can also prevent the
growth of bacteria and viruses trapped in this
filter.
(Refer page 21)
4
ENGLISH
====
■ Do not install, remove and reinstall the unit yourself.
Improper installation will cause leakage, electric shock or fire. Please consult an authorized dealer or specialist for
the installation work.
■  !"#$%&'()*+$%,-./
 !"#$%&'()*+,-./01234567,89:;"#<=/
SAFETY PRECAUTIONS
 !
Before operating, please read the following “Safety Precautions” carefully.
 !"#$%&'()*+,-./0
To prevent personal injury, injury to others and property damage, the following instructions must be followed.
 !"#$%&$'()*&+,-./0123456789
■ Incorrect operation due to failure to follow instructions will cause harm or damage, the seriousness of which is classified
as follows :
 !"#$%&'()*+,-./012345678(9:;5<==
■ The instructions to be followed are classified by the following symbols :
 !"#$%&'"()*+,-&./==
! Warning /=
! Caution / 
This symbol (with a white background) denotes
an action that is PROHIBITED.
 !"#$%&'()*+,
OFF
These symbols (with a black background)
denote actions that are COMPULSORY.
 !"#$%&'()*+,
! Warning /=
This sign warns of death or serious injury.
 !"#$%&'()*+,
 !"#$%&'
! Caution /=
This sign warns of damage to property.
 !"#$%&'()*+,
 !"#$%&'
■ This room air conditioner must be earthed.
 !"#$%&'()*+
Improper grounding could cause electric
shock.
 !"#$%&'()*+,
■ Do not install the unit in a place where there may
be explosive gas leaks.
 !"#$%&'()*+,-.
Gas leaks near the unit could cause fires.
 !"#$%&'()*+,-
■ Ensure that the drainage piping is connected
properly.
 !"#$%&'
Otherwise, water will leak out.
 !"#$%&'()*
● Installation Precautions /= !"#
5
Do not share outlet.
 !"#$%&
! Warning /=
This sign warns of death or
serious injury.
 !"#$%&'()
 !"#$%&'()*
Do not insert plug to operate
the unit. Do not pull out plug
to stop the unit.
 !"!#$%&'()
 !"#$%&'()*
 !
Plug in properly.
 !"!#$
Do not operate with wet
hands.
 !"#$%&'(
● Operation Precautions /  !"#
Use specified power cord.
 !"#$%&'
Do not damage or modify
the power cord.
 !"#$%&'()
If abnormal condition (burnt smell, etc) occurs, switch off
and unplug the power supply.
 !"#$%&'()*+,-./012

OFF
Do not repair by yourself.
 !"#$%&'()
Do not expose directly to cool air
for a long period.
 !"#$%&'()*+

Do not insert finger or other objects into the indoor or
outdoor units.
 !"#$%&'()*+#*,-
P
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6
ENGLISH
====
Do not wash the unit with water.
 !"#$%&'
Do not use for other purpose such as preservation or etc.
 !"#$%&'()*$+
Do not use any combustible equipment at
airflow direction.
 !"#$%&'()*+,
Do not sit or place anything on the outdoor unit.
 !"#$%&'()*
Ventilate the room regularly.
 !"#$%&'
Pay attention as to whether the installation rack is
damaged due to long period of usage.
 !"#$%&'()*+,-./
! Caution /=
This sign warns of injury.
 !"#$%&'
 !"#$%
Do not pull the cord to disconnect the plug.
 !"#$%&'
Switch off the power supply if the unit is not
used for a long period.
 !"#$%&'()*+,-./0
 !
OFF
Switch off the power supply before
cleaning it.
 !"#$%&'()
P
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7
NAME OF EACH PART
 !"
● Indoor Unit

Air Intake Vent
 !"
Power Supply Cord

Panel Opener
 !"
Signal Receptor
 !"
Operation Indicators
● POWER : Green
● SLEEP : Orange
● TIMER : Orange
 !"
●  W
●  W 
●  W 
Air Outlet Vent
 !"
Horizontal Airflow Direction
Louver (Manually adjusted)
 !" #
 !"#
Front Panel

■ When the front panel is opened
 !"#
Front Panel

Air Filters

Auto Operation Button
 !"#
Tab for Front Panel
 !"#
Air Purifying Filter
 !"#$
Economy/Powerful Indicators
Economy - Green
Powerful - Orange
 !"#$%
=J=
=J=
Vertical Airflow Direction Louver
 !" #
POWER
ECONOMY
POWERFUL
SLEEP
TIMER
P
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EC
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NO
M
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POW
E
RFU
L
S
LEEP
TIMER
P
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8
ENGLISH
====
● Outdoor Unit

● Accessories

CU-A125KA
Air Intake Vents
 !"
(Side)
EF
Piping

Ground Terminal (Inside Cover)
 !"#$%
Air Outlet Vents
 !"
Air Intake Vents
 !"
Ground Terminal
(Inside Cover)
 !"#$%
Air Outlet Vents
 !"
CU-A95KA
(Rear)
E
Two RO3 dry-cell batteries or
equivalent
=oMP= !"#
Air Purifying Filters
(Catechin Air Purifying Filter)
 !"#$
`^qb`efk= !"#$%
Remote Control

Remote Control Holder
 !"
Connecting
cable
 !
Drain Hose
 !
Drain Hose
 !
Connecting
cable
 !
Piping

(Side)
EF
(Rear)
E
POWERFUL
TEMP
OFF/ON
COOL
AUTO
9
AIR SWING
TIMER
CLOCK
1
2
3
HEAT
COOL
LO
HI
DRY
AUTO
AUTO
ON
AUTO FAN
AIR
SWING
AM PM
OFF
AM PM
MODE
ECONOMY
FAN SPEED
AUTO
MANUAL
ON OFF
SET
CANCEL
SLEEP
Powerful Mode
Operation Button
 !"#$%
Operation Display
 !"
Signal Transmitter
 !"
■ When the remote control cover is opened
 !"#$%
Timer Set Button
 !"#
ON-TIMER Button
 !"#
OFF-TIMER Button
 !"#
Timer Cancellation Button
 !"#
Sleep Mode
Operation Button
 !"#$%
Manual Airflow Direction
Selection Button
 !"#$%
Time-Setting Button
 !"#
Operation Display
 !"
Economy Mode
Operation Button
 !"#$%
Clock Button
 !
Auto Airflow
Direction Button
 !"#
Operation Mode Selection Button
 !"#
● Remote Control

Fan Speed
Selection Button
 !"#
POWERFUL
TEMP
OFF/ON
COOL
AUTO
Room Temperature
Setting Button
(Self-illuminating Button)
 !"#
E !"F
OFF/ON Button
(Self-illuminating Button)
 !"
E !"F
10
ENGLISH
====
■ When the back cover is opened
 !"#$%
■ How to use the remote control
 !"#$
• Maximum distance : 10 m
• Make sure it is not obstructed.
•  !"#$NM=
•  !"#$
OPEN
Notes /=
• Do not throw or drop
• Do not get it wet
• Certain type of fluorescent lamps may affect
signal reception. Consult your dealer.
•  !"#$%&'()*+,-
•  !"#
•  !"#$%&'()*+,-./)
 =
Signal receptor
• Signal received sound.
One short beep or one long beep.
 !"
•  !"#$
 !"#!$
Reset points
• short to clear the
memory
 !"
•  !"
• Aim at the signal receptor.
•  !"#$%
P
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P
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FU
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11
PREPARATION BEFORE OPERATION
 !"
! Warning /

■ Ensure the power plug is securely inserted.
A loose plug may cause a fire or an electric shock.
■  !"#$%&"'(
 !"#$%&'()*+,
5
Insert the air filters
 !"
4
Insert the air purifying filters
 !"#$%&
1 Connect the power supply
cord to an independent
power supply
 !"#$%&'(

3 Remove the air filters
 !"
2 Open the front panel
 !"
6
Close the front panel
 !"
■ Notes

• If the unit is not going to be used for an extended period of time, turn off the power supply. If it is left at the ON
position, approximately 2.5 W of electricity will be used even if the indoor unit has been turned off with the remote
control.
• If operation is stopped, then restarted immediately, the unit will resume operation only after 3 minutes.
•  !"#$%&'()*+,-./012345678"9lk !"#$%&'()*+,-./0%
 !"#=OKR=t= !
•  !"#$%&'()*$+,-./0=P= !"#$%
● Indoor Unit

DBT: Dry Bulb Temp
 !
WBT: Wet Bulb Temp
 !
Maximum Temperature
 !
Minimum Temperature
 !
DBT WBT DBT WBT DBT WBT DBT WBT
32 23 43 26 30 – 24 18
16 11 16 11 16 – -5 -6
Use under the following conditions
 !"#$
(Unit in °C)
 !"#
Indoor

Outdoor

Indoor

Outdoor

Cooling /  Heating / 
P
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C
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P
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ENGLISH
====
12
1 Press the clock button
 !"
2 Press to set the current time
 !"#$%&
Press continuously for fast forwarding.
 !"#$%&'(
Press continuously for fast reversing.
 !"#$%&'(
3 Press the clock button
 !"
• Can be used for approximately one year.
Observe the following when replacing the batteries
• Replace with new batteries of the same type .
• Do not use rechargeable batteries (Ni-Cd).
• Remove the batteries if the unit is not going to
be used for a long period.
•  !"#$%&
 !"#$%&'()*
•  !"#$%&'()
•  !"#$%&%'(káJ`Ç
•  !"#$%&'()*+,=
← lights up

PM
PM
PM
■ Setting the clock
 !
■ About the batteries
 !
* Set the current time (Clock) immediately to prevent battery exhaustion.
*  !"#$%E`äçÅâF !"#$
← flashes

← lights up

← lights up

● Remote Control

■ Inserting batteries
 !
AIR SW
ING
TIM
ER
CLOCK
1
2
3
COOL
PM
M
O
D
E
ECONOMY
FAN SPEED
AU
TO
M
AN
U
AL
O
N
O
FF
SET
CANCEL
SLEEP
1
OPEN
Slide the cover to open
 !"
2 Be sure the directions are correct
  !"#
• Open the remote control
cover and confirm the
display 12:00 PM
is flashing.
•  !"#$%&'()
 !"=NOWMMmj
13
AIR SWING
TIMER
CLOCK
1
2
3
COOL
MODE
ECONOMY
FAN SPEED
AUTO
MANUAL
ON OFF
CANCEL
SLEEP
SET
POWERFUL
O
FF/O
N
COOL
TEMP
HOW TO OPERATE
 !
a – Automatic Operation /  !
• At the start of the automatic operation, Heating, Cooling
or Soft Dry is automatically selected according to the
indoor temperature.
• The operation mode changes every hour, when
necessary.
• Temperature is not displayed on remote control during
Auto mode operation.
•  !"#$%&'(&)*+,-./0123+
 !"#$
•  !"#$%&'(!)*+
•  !"#$%&'()*+,-./0
● Automatic, Heating, Cooling, Soft Dry
 !" = !"#$
1 Press to select the desired operation mode
When pressed, the display changes in this order.
= !"#$%
 !"#$%&'()*
2 Press to start the operation
POWER indicator LED (Green) on indoor unit will light up.
Press once more to stop operation.
= !"
 !"#$%&'()*+,-./
 !"#$%&'
3 Press to select room temperature
 !"#$%&
• a Automatic Operation /
 !
Display /

- Operation with 2°C higher than standard
temperature.
O !"#$%&'
- Operation with standard temperature.
 !"#$%
- Operation with 2°C lower than standard
temperature.
O !"#$%&'
• Heating, Cooling, Soft Dry operation
I= ! "#
Press to increase temperature by 1°C.
 !"#$=N=
Press to decrease temperature by 1°C.
 !"#$=N=
– The temperature can be set between 16°C and 30°C.
 !"#=NS= =PM !
– Recommended temperature /  !
For Heating / W=OM=J=OQ
For Cooling /=W=OS=J=OU
For Soft Dry /= !W 1°C - 2°C lower than
room temperature.
 !=N=ú=O
Display

– Soft Dry Operation /  !"#
• A very gentle Cooling Operation. Consisting primarily of
dehumidifying. It does not lower the room temperature.
• During Soft Dry operation, the indoor fan operates at Low
fan speed.
•  !"#$%&'()*+,-./0(12345

•  !"#$%&'()*+#$,-)./
Setting
temperature
 !
Soft Dry operation with Low fan
speed
 !"#$%&'
Switch to Soft Dry when setting temperature is reached.
 !"#$%&'()$*+,-
Cooling
Operation
 !
■ Operation details /  !
Close the Cover
 !
COOL
HEAT
a
DRY
HI
AUTO
AUTO
LO
AUTO
– Cooling Operation /  !
• To set room temperature to your preference of cooling
comfort.
•  !"#$%&'()*+,
HEAT
COOL DRY
DRY
COOL
ENGLISH
====
14
● Adjusting Airflow Direction And Fan Speed
 !" #
■ Operation details
 !
– Heating Operation
• Defrosting Operation
Depend on the outdoor temperature, the operation
occasionally stops to melt the frost on the outdoor unit.
• Heat is obtained from outdoor air to warm up the room. When
the outdoor ambient air temperature falls, the heating capacity
of the unit might be reduced. We recommend that you use an
additional heating device when the outdoor ambient air
temperature is low.
===========J= !
•  !
 !"#$%&'()* !+,-./01#$23
 !
•  !"#$%&'()*+!",-./0123
 !"#"$%&
 !"#$I= !"#$%&'()*+,-.
Press to select Fan speed
• The display changes in this order
 !"#$
•  !"#$%&'
Automatic Low Medium High

Selecting Vertical Airflow Direction
Press AUTO
 !"#
=^rql
• Cooling and Soft Dry – The louver swing up and
down automatically.
• Heating – When the discharge air temperature is low
such as at the start of heating operation, the air
blows at horizontal level. As the temperature rises,
the hot air blows in a downwards direction.
• To stop the automatic airflow direction operation,
press MANUAL button.
•  ! "#$%&'()*+,)-
•  !"#$%&'()*+,-./0
 !"#$%&'()*+,- ./01
 !"#$%&'()
•  !"#$%&'==j^kr^i== !"
Press MANUAL
• Manual selection of Vertical Airflow Direction Louver.
• The display changes in this order,
==j^kr^i
•  !"#$%&$'(
•  !"#$%&'
Horizontal Airflow Direction
• Adjust it manually.
 !
•  !"#
AIR SWING
TIMER
CLOCK
1
2
3
COOL
AUTO FAN
MODE
ECONOMY
FAN SPEED
AUTO
MANUAL
ON OFF
SET
C
A
N
C
E
L
SLEEP
Automatic Airflow Volume
• The speed of the Indoor fan is adjusted automatically
according to the operation. The Indoor fan stops
occasionally during cooling operation.
 !"
•  !"#$%&'()*+,-./012'(34
 !"#$%&'()
* Five stages of adjustments can be made in
this range.
*  !"#$%&'()*+,
Louver adjustment range
 !"#$
Heating

Cooling
Soft Dry

 !
HEAT
HEAT
P
O
W
E
R
E
C
O
N
O
M
Y
P
O
W
E
R
F
U
L
S
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P
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15
AIR SW
ING
TIM
ER
CLOCK
1
2
3
COOL
ON
AM
MODE
ECONOMY
FAN SPEED
AUTO
MANUAL
ON OFF
SET
CANCEL
SLEEP
SETTING THE TIMER
 !
4 To set the OFF-TIMER
Press the OFF-TIMER then follow
steps 2 and 3 as above.
 !"#$#
 !"#$%&'(=O==P
3 Press SET
 !
Lights up
 →
* The timer indicator (orange) on
the indoor unit will light up.
*  !"#$%&'(
 !"#$%
1 Press ON-TIMER
 !"#
Flashes →

Example: Set the ON-TIMER to 7:00AM
 !"#$%&'=TWMM^j
2 Press to set the time
 !"#$
Increase by 10 minutes
=NM=
Decrease by 10 minutes
=NM=
* Press continuously for quick setting.
*  !"#$%&'()*+,-
Ensure that the current time is correct before setting the timer. The timer cannot be set if the time display is flashing.
 !"#$%&'# ()&*+ (,-./0123 !41567*
■ Timer Cancellation Button
(To cancel the Timer)
Press the ON-TIMER or OFF-TIMER then press CANCEL.
* The timer indicator on the indoor unit will go off.
 !"#$%&!" '
 !"#$%!"#&'(=`^k`bi
*  !"#$%&'()*+,
■ To change the setting time, follow the above steps.
 !"#$#%&'()*+,-
Timer details
 !"
•  !"#$#== !"#$%&'()*
 !"#$%&'()*+,-./0123
 !"#$%&!'()*+=NR= !"#
 !=PM= !
•  !"#$%&'()*+,-. !/$%
 !"
• When the ON-Timer is set, operation will start before
the actual set time. This is to allow the room
temperature to reach the setting temperature by the
setting time (Cooling and Soft dry, 15 minutes in
advance, Heating and Automatic, 30 minutes in
advance).
• Once the ON-Timer is set, operation will start at the
setting time everyday.
AMON
AMON
ENGLISH
====
16
● Recommended Setting of Timer
 !"#
■ When you sleep
• Set the time at which you will go to sleep with the
OFF-TIMER. This prevent wastage of electricity.
■  !"
• =lccJqfjbo
==
==
= !"#$%&' !"#$

■ When you wake up
• Set the time at which you will wake up with the
ON-TIMER. You can start the new day at a comfortable
temperature.
■  !"
• ==lkJqfjbo
==
==
= !"#$%&'() !"
 !"#$%&'
Note:
(The above is an example of how you can used the OFF-
TIMER and ON-TIMER mode. However it is recommended to
use the sleep mode function for sleeping)

( !"#$%&'(=lccJqfjbo==lkJqfjbo= !
 !"#$%&'($)*+F
■ When going out
• Set the time at which you will go out with the
OFF-TIMER. Set the time at which you will come back
with the ON-TIMER.
• This will prevent the air conditioner from being left on
while you are out, and the temperature will be pleasant
when you return.
■ 
• 
==
==
=lccJqfjbo
==
==
= !"#$%&'()=lkJqfjbo
 !"#$%&'
•
 !"#$%&'()'*+,-./012

■ When you return
• Set the time at which you will return with the ON-TIMER.
• This will make the temperature pleasant when you
return, and it will prevent the air conditioner from being
left on.
■ 
• =lkJqfjbo
==
==
= !"#$%&'
•  !"#$%&'()*+,$-./01/23
Not at Home

Hi! I’m home
 !"#
Bye
Good Morning!

Good Night!

•  !"#$%&'()*+,-
•  !"#$%&%'( )!*+%,-./01
 !"#$%&'()*+,-.
Timer details
 !"
• The current time is not displayed when the timers are
set.
• When both timers are used together, the TIMER LED
on the indoor unit remains lit even if the operation is
stopped by the OFF-TIMER.
RING...
RING...
17
CONVENIENCE OPERATION
 !
■ To set the sleep mode, press SLEEP.
* The sleep indicator on the indoor unit will
light up.
 !"#$%&'()=
pibbmpibbm
pibbmpibbm
pibbm
*  !"#$%&'()*+
■ To cancel the sleep mode, press once more.
 !"#$%&'()*+,*-.
● Sleep Mode
 !
This is to obtain a comfortable room temperature while sleeping.
 !"#$%&'()*
■ Operation details
 !
AIR SWING
TIMER
CLOCK
1
2
3
COOL
M
ODE
ECONOMY
FAN SPEED
AUTO
MANUAL
ON OFF
SET
CANCEL
SLEEP
• When the room temperature reaches the setting
temperature, the airflow volume will automatically
change to low.
• Sleep Mode Operation time is 8 hours.
• When used together with the timer, the timer has
priority.
• Cooling or Soft Dry Operation for sleep mode
movement will start to avoid overcooling.
•  !"#$%&'()*+,"#-./012

•  !"#$%& '()*+,-./0123
•  !"#$%&'($)
•  !"#$%&!' !"()*+
• Heating operation for sleep mode movement will start to
avoid overheating.
•  !"#$%&'"#()*+,-./0
1 hour /
N
Setting temperature
 !
Time / 
Approx. 8 hours after sleep
shift operation start, stops
automatically.
 !" #$
U !"#$%
0-1 hour/MJN
Temperature

Sleep operation button
is pressed.
 !"#$%
Approx. 0.5°C increase
 !=MKR
Approx. 0.5°C increase
 !=MKR
Sleep shift operation starts.
 !" #$%
Sleep operation button is pressed.
 !"#$%
Approx. 8 hours after sleep shift
operation start, stops automatically.
 !" #$
U !"#$%
Sleep shift operation starts.
 !" #$%
0-1 hour/
MJN
Time / 
1 hour /
N
Temperature

Approx. 2°C decrease
 !=O
Approx. 3°C decrease
 !=P
18
ENGLISH
====
AIR SWING
TIMER
CLOCK
1
2
3
COOL
MODE
ECONOMY
FAN SPEED
AUTO
MANUAL
ON OFF
SET
CANCEL
SLEEP
POWERFUL
OFF/ON
● Economy or Powerful Mode
 !"#$
Economy and Powerful operation cannot be selected simultaneously.
 !"#$%&'()*+,
■ Operation details
 !
* • The changes of the temperature and airflow volume are automatic.
• The remote control display remain unchanged.
• If sleep button or operation mode button is pressed, economy or powerful operation is cancelled.
• During Economy mode, indoor fan operates on and off at Low speed.
* •  !"#$%&'()*+
•  !"#$%&'(
•  !"#$%&'(#)*+$,-'(./012
•  !"#$%&'()*+,-./01
Cover is closed
 !
Economy operation
 !
Powerful operation
 !
Cooling/Soft Dry
 !"#$
Heating

Airflow volume

Super High

Automatic

Temperature

3°C lower than
set temp.
P= !"#
3°C higher than
set temp.
P= !"#
Airflow volume

Low (on and off)
 !"#
Low (on and off)
 !"#
Temperature

0.5°C higher than
set temp.
MKR= !"#
0.5°C lower than
set temp.
MKR= !"#
Economy Mode
To save electrical power consumption.
However, please use this mode when the room have
reached your desired temperature.
• Press ECONOMY
* Economy indicator (Green) on indoor unit lights up.
• Press once more to cancel this operation.
 !
 !"#$%
 !"#$%&'(#)*+,-./01
• =b`lkljv
*  !"#$%&'()*+,-.
•  !"#$%&'()
Powerful Mode
To obtain the setting temperature quickly.
• Press POWERFUL
* Powerful indicator (Orange) on indoor unit lights up.
* Powerful mode will operate for 15 minutes only.
• To cancel this operation, press once more.
 !
 !"#$%&'
• =mltbocri
*  !"#$%&'()*+,-.
*  !"#$%=NR=
•  !"#$%&'()
19
5 Let it dry and reinstall it.
Be sure the “FRONT” mark is facing you.
 !"#$%&
 !colkq !
* Damaged air filter.
Consult the nearest authorized dealer.
Part No.: CWD00240.
*  !"#$
 !"#$%&'()*
 !=W=`taMMOQMK
• Do not clean using benzene, thinner, scouring powder or cloths
soaked in caustic chemicals.
•  !"#$%&#'()*+,-./012&34567
 !
2 Remove dirt using a
vacuum cleaner.
 !"#$!%&
3 Wash back of the air filter
with water.
 !"#$%

CARE AND MAINTENANCE
 !"
● Cleaning the Air Filter
 !"
(Recommendation:- If the unit is operated in a dusty environment, clean the filters every two weeks, continuous use of this
dirty filters will reduce cooling efficiency)
 !"#$%&'()*+,-./0123456*789:;<#$=>?6*7@ABCDEF:G
Switch OFF and unplug the power cord before cleaning
the air conditioner.
 !"#$%&'()*+,(-./
!
Caution /

4 If badly soiled, wash it
with soap or a mild
household detergent.
 !"#$%&'(
 !"#$%&#

● Cleaning the Indoor Unit and Remote Control
 !"#$%&
• Wipe gently with a soft, dry cloth.
• Do not clean with water hotter than 40°C or with
polishing fluids.
• The front panel can be removed and cleaned with water.
•  !"#$
•  !"=QM= !"#$%&'
•  !"#$%&'()*
1 Open the front grille and remove the two air
filters. Hold the tab, lift up slightly then pull down.
 !"#$%&'()*+,-.
 !"#$%&'()*
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National CS-A125KA Operating instructions

National
Brand
National
Model
CS-A125KA
Category
Split-system air conditioners
Type
Operating instructions
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