Panasonic CS-E7NKR User manual

F568746
Operating Instructions
Air Conditioner
Model No.
Indoor Unit Outdoor Unit
CS-E7NKR CU-E7NKR
CS-E9NKR CU-E9NKR
CS-E12NKR CU-E12NKR
CS-E15NKR CU-E15NKR
CS-E18NKR CU-E18NKR
CS-E21NKR CU-E21NKR
CS-E24NKR CU-E24NKR
CS-E28NKR CU-E28NKR
QUICK GUIDE
QUICK GUIDE
Before operating the unit, read these operating
instructions thoroughly and keep them for future
reference.
© Panasonic Appliances Air-Conditioning Malaysia
Sdn. Bhd. 2012. Unauthorized copying and distribution
is a violation of law.

2
ENGLISH Thank you for purchasing Panasonic Air Conditioner
TABLE OF CONTENTS
TABLE OF CONTENTS
OPERATION CONDITION
SAFETY PRECAUTIONS 4~5
REMOTE CONTROL 6~8
INDOOR UNIT 9
TROUBLESHOOTING 10
INFORMATION 11
QUICK GUIDE BACK COVER
NOTE : The illustrations in this manual are for explanation purposes only and may differ from the actual unit. They are
subjected to change without notice for future improvement.

3
TABLE OF CONTENTS OPERATION CONDITION
OPERATION CONDITION
Use this air conditioner under the following temperature range
Temperature (°C) Indoor
*DBT *WBT
COOLING Max. 32 23
Min. 16 11
HEATING Max. 30 -
Min. 16 -
CU-E7NKR, CU-E9NKR, CU-E12NKR, CU-E15NKR, CU-E18NKR, CU-E21NKR, CU-E24NKR
Temperature (°C) Outdoor
*DBT *WBT
COOLING Max. 46 26
Min. 5 4
HEATING Max. 24 18
Min. -15 -16
CU-E28NKR
Temperature (°C) Outdoor
*DBT *WBT
COOLING Max. 46 26
Min. 16 11
HEATING Max. 24 18
Min. -15 -16
* DBT: Dry bulb temperature
* WBT: Wet bulb temperature

4
SAFETY PRECAUTIONS
To prevent personal injury, injury to others, or property
damage, please comply with the following.
Incorrect operation due to failure to follow instructions below
may cause harm or damage, the seriousness of which is
classified as below:
WARNING
WARNING
This sign warns of death or serious injury.
CAUTION
CAUTION
This sign warns of injury or damage to property.
The instructions to be followed are classified by the following
symbols:
This symbol denotes an action that is PROHIBITED.
These symbols denote an actions that is
COMPULSORY.
WARNING
WARNING
INDOOR UNIT AND OUTDOOR UNIT
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.
Please consult authorized dealer or specialist to
clean the internal parts, repair, install, remove
and reinstall the unit. Improper installation and
handling will cause leakage, electric shock or
fire.
Confirm to authorized dealer or specialist on
usage of specified refrigerant type. Using of
refrigerant other than the specified type may
cause product damage, burst and injury etc.
Do not install the unit in a potentially explosive
or flammable atmosphere. Failure to do so could
result in fire.
Do not insert your fingers or other
objects into the air conditioner indoor
or outdoor unit, rotating parts may
cause injury.
Do not touch the outdoor unit during lightning, it
may cause electric shock.
Do not expose yourself directly to cold air for a
long period to avoid excess cooling.
Do not sit or step on the unit, you may
fall down accidentally.
REMOTE CONTROL
Do not allow infants and small children to play
with the remote control to prevent them from
accidentally swallowing the batteries.
POWER SUPPLY
Do not use a modified cord,
joint cord, extension cord or
unspecified cord to prevent
overheating and fire.
To prevent overheating, fire or electric shock:
• Do not share the same power outlet with other
equipment.
• Do not operate with wet hands.
• Do not over bend the power supply cord.
• Do not operate or stop the unit by inserting or
pulling out the power plug.
Air Inlet
Air Inlet
Air Outlet
Air Outlet
Air Outlet
Air Outlet
Air Inlet
Air Inlet
Remote
Control
Power
Supply
Indoor
Unit
Outdoor
Unit

5
WARNING
WARNING
POWER SUPPLY
If the supply cord is damage, it must be replaced
by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
It is strongly recommended to be installed
with Earth Leakage Circuit Breaker (ELCB)
or Residual Current Device (RCD) to prevent
electric shock or fire.
To prevent overheating, fire or electric shock:
• Insert the power plug properly.
• Dust on the power plug should be periodically
wiped with a dry cloth.
Stop using the product if any abnormality/failure
occurs and disconnect the power plug or turn off
the power switch and breaker.
(Risk of smoke/fire/electric shock)
Examples of abnormality/failure
• The ELCB trips frequently.
• Burning smell is observed.
• Abnormal noise or vibration of the unit is
observed.
• Water leaks from the indoor unit.
• Power cord or plug becomes abnormally hot.
• Fan speed cannot be controlled.
• The unit stops running immediately even if it is
switched on for operation.
• The fan does not stop even if the operation is
stopped.
Contact your local dealer immediately for
maintenance/repair.
This equipment must be earthed to prevent
electrical shock or fire.
Prevent electric shock by switching off the power
supply and unplug when:
- Before cleaning or servicing.
- Extended non-use.
- Abnormally strong lightning activity.
CAUTION
CAUTION
INDOOR UNIT AND OUTDOOR UNIT
Do not wash the indoor unit with water, benzene,
thinner or scouring powder to avoid damage or
corrosion at the unit.
Do not use for preservation of precise
equipment, food, animals, plants, artwork
or other objects. This may cause quality
deterioration, etc.
Do not use any combustible equipment in front of
the airflow outlet to avoid fire propagation.
Do not expose plants or pet directly to airflow to
avoid injury, etc.
Do not touch the sharp aluminium fin,
sharp parts may cause injury.
Do not switch ON the indoor unit when waxing
the floor. After waxing, aerate the room properly
before operating the unit.
Do not install the unit in oily and smoky areas to
prevent damage to the unit.
Do not dismantle the unit for cleaning purpose to
avoid injury.
Do not step onto an unstable bench when
cleaning the unit to avoid injury.
Do not place a vase or water container on the
unit. Water may enter the unit and degrade the
insulation. This may cause an electric shock.
Do not open window or door for long time during
COOL/DRY mode operation.
Ensure drainage pipe is connected properly and
keep drainage outlet clear of gutters, containers
or does not immersed in water to prevent water
leakage.
After a long period of use or use with any
combustible equipment, aerate the room
regularly.
After a long period of use, make sure the
installation rack does not deteriorate to prevent
the unit from falling down.
REMOTE CONTROL
Do not use rechargeable (Ni-Cd) batteries.
It may damage the remote control.
To prevent malfunction or damage of the remote
control:
• Remove the batteries if the unit is not going to
be used for a long period of time.
• New batteries of the same type must be
inserted following the polarity stated.
POWER SUPPLY
Do not pull the cord to disconnect the plug to
prevent electric shock.

6
REMOTE CONTROL
Press the remote control’s button
1TO TURN ON OR OFF THE UNIT
POWER
• Please be aware of the OFF indication on the remote
control display to prevent the unit from starting/stopping
improperly.
2TO SET TEMPERATURE
• Selection range: 16°C ~ 30°C (Not applicable for FAN
mode).
• Operating the unit within the recommended temperature
could induce energy saving.
HEAT mode : 20˚C ~ 24˚C.
COOL mode : 26˚C ~ 28˚C.
DRY mode : 1˚C ~ 2˚C lower than room temperature.
• The set temperature selection range can be customized
according to requirement. Please consult authorized
dealer.
3TO SELECT OPERATION MODE
AUTO mode - For your convenience
• During operation mode selection the power indicator
blinks.
• Unit selects operation mode every 10 minutes according
to temperature setting and room temperature.
HEAT mode - To enjoy warm air
• Unit takes a while to warm up. The power indicator blinks
during this operation.
COOL mode - To enjoy cool air
• Use curtains to screen off sunlight and outdoor heat to
reduce power consumption during cool mode.
DRY mode - To dehumidify the environment
• Unit operates at low fan speed to give a gentle cooling
operation.
FAN mode - To circulate air in the room
4TO SELECT FAN SPEED (5 OPTIONS)
FAN
S
PEED
• For AUTO, the indoor fan speed is automatically adjusted
according to the operation mode.
5TO ADJUST AIRFLOW DIRECTION (5 OPTIONS)
AIR SWING
• Keeps the room ventilated.
• In COOL/DRY mode, if AUTO is set, the louver swing
left/right and up/down automatically.
• In HEAT mode, if AUTO is set, the horizontal louver fix at
predetermined position. The vertical louver swing left/right
after the temperature rises.
MODE
ON
OFF
SET
CANCEL
TIMER
FAN SPEED
123
SET CHECK CLOCK RESET
AC RC
MODE
MILD
DRY
AIR CONDITIONER
OFF/ON
AIR SWING
POWERFUL/QUIET
AUTO
COMFORT
MILD DRY
ECONAVI
NANOE-G
310
6
2
5
1
Remote
Control display
9
4
8
7
Maximum
distance: 8m
Human activity
sensor and
indicator
Indicator
(Green)
(Green)
(Orange)
(Green)
(Blue)
(Orange)
(Green)
POWER
TIMER
AUTO COMFORT
NANOE-G
POWERFUL
QUIET
Sunlight sensor and remote control receiver

7
6TO PURIFY THE AIR
NANOE-G
• Removes/deactivates harmful micro-organisms such as
viruses, bacteria, etc.
• Can be activated even when the unit is turned off. In this
condition, fan speed and air swing cannot be adjusted.
• nanoe-G starts automatically with the unit switched on
with
OFF/ON
.
7TO IMPROVE HUMIDITY AND MOISTURE LEVEL
• This operation reduces air dryness and provides you with
a comfortable living environment during COOL mode only.
• When vertical airflow direction is set to AUTO, it stops at
lower position to avoid cold air contact. However, you can
adjust the louver direction manually.
8TO SWITCH BETWEEN POWERFUL & QUIET
POWERFUL/
QUIET
QUIETPOWERFUL NORMAL
PO
WERFUL
TO REACH TEMPERATURE
QUICKLY
POWERFUL
• This operation stops automatically after
4 hours.
Q
UIET
TO ENJOY QUIET
OPERATION
QUIET
• This operation reduces airflow noises.
910
TO MONITOR HUMAN PRESENCE &
ACTIVITY, SUNLIGHT FOR ENERGY SAVING
& COMFORT
ECONAVI
To optimize energy
saving
AUTO
COMFORT
To maximize comfort
AUTO COMFORT
• When either operation is activated, the unit will start
to initialize for approximately 1 minute. Human activity
indicator is blinking in sequence.
• After initialization, the human activity sensor will start
to detect the level of heat source & movement, the unit
adjusts the temperature and airflow to keep you comfort
consistently.
+1 tap* -1°C
+1°C
+1 tap
Heat Source & Movement
Set Fan Speed
COOL/DRY Mode
Set Temperature
≤Medium
Fan
+2°C
Low High Normal None
Set Fan Speed -2°C
-2°C
HEAT Mode
Set Temperature +0.3°C
* For first 15 minutes or until set temperature is reached.
• The human activity sensor will also scan for area of heat
source and movement in a room.
Human activity indicator Heat source & movement
At left area of the room
At right area of the room
At centre area or multiple areas
of the room.
• The unit will determine the heat source & movement
hotspot, and automatically adjust horizontal airflow
direction louver either fix at predetermined position or
swing left/right.
Detection area (top view)
7m
120º
• When manual AIR SWING is selected, the ECONAVI
and AUTO COMFORT operation will be cancel.
• The human activity sensor may not detect moving objects
further than 7m away or beyond detection angle.
• The human activity sensor sensitivity is influenced by
indoor unit location, movement speed, temperature range,
etc.
• The human activity sensor may:
- Mistakenly detects an object with heat source &
movement similar to human, such as pets, etc. as
human being.
- Mistakenly detects as non-heat source & movement if
a person stays motionless for certain period of time.
• During ECONAVI operation, the sunlight sensor
detects sunlight intensity coming through windows and
differentiates between sunny and cloudy/night to further
optimize energy saving by adjusting the temperature.
Ambient condition SunnyCloudy/
Night
SunnyCloudy/
Night
COOL/DRY Mode
Set Temperature
HEAT Mode
Set Temperature -1°C -1°C
+1°C
ECONAVI is activated while it is cloudy / night
ECONAVI is activated while it is sunny
• In a room without window or with thick curtain, the
sunlight sensor will judge as cloudy/night.

8
REMOTE CONTROL
11 Press and hold for 5 seconds to dim or restore the
unit’s indicator brightness.
12 Press and hold for approximately 10 seconds to
show temperature setting in °C or °F.
13 Press to restore the remote control’s default setting.
14 Not used in normal operations.
ON
OFF
SET
CANCEL
TIMER
123
SET CHECK CLOCK RESET
AC RC
NOTES
NOTES
NANOE-G
,
POWERFUL/QUIET
,
AUT
O
COMFORT
,
ECONAVI
POWERFUL/QUIET
,
AUT
O
COMFORT
,
ECONAVI
• Can be activated in all modes and can be cancelled by
pressing the respective button again.
• Cannot be selected at the same time.
• Cannot be activated during “MILD DRY COOLING”
operation is activated.
11
13
14
TO SET THE TIMER
TO SET THE TIMER
• 2 sets of ON and OFF timers are available to turn ON
or OFF the unit at different preset time.
• Complete below procedures to set each timer:
ON
OFF
1
Cancel
Cancel 2
TIMER
SET
3
Select ON or OFF timer Set the
time Confirm
• Example of application at living room:
Morning: ON at 07:00 (Wake up)
OFF at 08:00 (Out for work)
Evening: ON at 17:00 (Back home)
OFF at 22:00 (Sleep)
• To cancel ON or OFF timer, press ON or OFF to
select respective or then press
CANCEL
.
• If timer is cancelled manually or due to power failure,
you can restore the timer again by pressing ON or
OFF to select respective or then press SET .
• Upcoming timer will be displayed and will be activated
in sequence.
• When ON Timer is set, the unit may start earlier (up
to 35 minutes) before the actual set time in order to
achieve the desired temperature on time.
• Timer operation is based on the clock set in the
remote control and repeats daily once set. For clock
setting, please refer to Remote Control Preparation
on the back cover.
12

9
INDOOR UNIT
CAUTION
•Switch off the power supply and unplug before cleaning.
•Do not touch the aluminium fin, sharp parts may cause injury.
CLEANING INSTRUCTIONS
CLEANING INSTRUCTIONS
HINT
HINT
• Do not use benzene, thinner or scouring powder.
• Use only soap ( pH7) or neutral household detergent.
• Do not use water hotter than 40°C.
• To ensure optimal performance of the unit, cleaning
maintenance has to be carried out at regular intervals.
Dirty unit may cause malfunction and you may see error
code “H99”. Please consult authorized dealer.
CLEANING INSTRUCTIONS
CLEANING INSTRUCTIONS
HINT
HINT
• Do not use benzene, thinner or scouring powder.
• Use only soap ( pH7) or neutral household detergent.
• Do not use water hotter than 40°C.
• To ensure optimal performance of the unit, cleaning
maintenance has to be carried out at regular intervals.
Dirty unit may cause malfunction and you may see error
code “H99”. Please consult authorized dealer.
POWER
TIMER
AUTO COMFORT
NANOE-G
POWERFUL
QUIET
28
1
4
9
5
6
7 3
5HUMAN ACTIVITY SENSOR
• Do not hit or violently press the sensor or
poke it with a sharp object. This can lead to
damage and malfunction.
• Do not place large objects near the sensor
and keep away heating units or humidifiers
from the sensor’s detection area. This may
lead to sensor malfunction.
10 nanoe-G GENERATOR
• Do not touch during operation.
1INDOOR UNIT
• Wipe the unit gently with a soft, dry cloth.
2FRONT PANEL
Remove Front Panel
• Raise and pull to remove the front panel.
• Wash gently and dry.
Close Front Panel
21 1
1Press down both ends of the front panel to close it.
2Press at center of the front panel to close it securely.
(CS-E18NKR, CS-E21NKR, CS-E24NKR, CS-E28NKR)
3SUNLIGHT SENSOR AND REMOTE CONTROL
RECEIVER
4ALUMINIUM FIN
5HUMAN ACTIVITY SENSOR
6HORIZONTAL AIRFLOW DIRECTION LOUVER
• Do not adjust by hand.
7VERTICAL AIRFLOW DIRECTION LOUVER
• Do not adjust by hand.
8AUTO OFF/ON BUTTON
• Use when remote control is misplaced or a malfunction
occurs.
Action Mode
Press once. Auto
Press and hold until 1 beep is heard,
then release. Cooling
Press and hold until 1 beep is heard,
then release.
Press again until 2 beeps, then release.
Heating
Press the button to turn off.
9AIR FILTERS
• Air filter cleaning is required every two weeks.
• Wash/rinse the filters gently with water to avoid damage
to the filter surface.
• Dry the filters thoroughly under shade, away from fire or
direct sunlight.
• Replace any damaged filters.
10 nanoe-G GENERATOR
Clean with dry cotton bud.
•nanoe-G generator cleaning is
recommended every 6 months.

10
TROUBLESHOOTING
The following symptoms do not indicate malfunction.
The following symptoms do not indicate malfunction.
SYMPTOM
SYMPTOM
CAUSE
CAUSE
Mist emerges from indoor unit. ►• Condensation effect due to cooling process.
Water flowing sound during operation. ►• Refrigerant flow inside the unit.
The room has a peculiar odor. ►• This may be due to damp smell emitted by the wall,
carpet, furniture or clothing.
Indoor fan stops occasionally during automatic fan speed
setting.
►• This helps to remove the surrounding odours.
Airflow continues even after operation has stopped. ►• Extraction of remaining heat from the indoor unit
(maximum 30 seconds).
Operation is delayed a few minutes after restarting. ►• The delay is a protection to the unit’s compressor.
Outdoor unit emits water/steam. ►• Condensation or evaporation occurs on pipes.
TIMER indicator is always on. ►• The timer setting repeats daily once set.
POWER indicator blinks during HEAT mode with no warm
air supply (and louver is closed).
►• The unit is in defrost mode (and AIR SWING is set to
AUTO).
Indoor fan stops occasionally during heating operation. ►• To avoid unintended cooling effect.
POWER indicator blinks before the unit is switched on. ►• This is a preliminary step in preparation for the operation
when the ON timer has been set.
Cracking sound during operation. ►• Changes of temperature cause the expansion/contraction
of the unit.
2 or more human activity indicator turns on simultaneously. ►•
Judgement of heat source and movement area in progress.
POWER indicator blinks 3 seconds ON and 0.5 seconds
OFF during operation.
►• The unit is in Demand Response Mode.
Check the following before calling for servicing.
Check the following before calling for servicing.
SYMPTOM
SYMPTOM
CHECK
CHECK
Heating/Cooling operation is not working efficiently. ►• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the filters.
• Clear any obstruction at the air inlet and air outlet vents.
Noisy during operation. ►• Check if the unit has been installed at an incline.
• Close the front panel properly.
Remote control does not work.
(Display is dim or transmission signal is weak.)
►• Insert the batteries correctly.
• Replace weak batteries.
The unit does not work. ►• Check if the circuit breaker is tripped.
• Check if timers have been set.
The unit does not receive the signal from the remote
control.
►• Make sure the receiver is not obstructed.
• Certain fluorescent lights may interfere with signal
transmitter. Please consult authorized dealer.
The unit stops and the TIMER indicator blinks.
Use remote control to retrieve error code.
ON
OFF
SET
CANCEL
TIMER
123
SET CHECK CLOCK RESET
AC RC
1Press for 5
seconds.
3Press for 5
seconds to
quit checking.
2Press until you hear
beep sound, then
write down the error
code.
Note:
• For certain errors, you
may restart the unit for
limited operation with 4
beeps when operation
starts.
4Turn the unit off and reveal the error code to authorized dealer.

11
INFORMATION
FOR SEASONAL INSPECTION AFTER EXTENDED
NON-USE
• Checking of remote control batteries.
• No obstruction at air inlet and air outlet vents.
• Use Auto OFF/ON button to select Cooling/Heating
operation. After 15 minutes of operation, it is normal to
have the following temperature difference between air
inlet and air outlet vents:
Cooling: ≥8°C Heating: ≥14°C
FOR EXTENDED NON-USE
• Activate Heat mode for 2~3 hours as an alternative to
remove moisture left in the internal parts thoroughly to
prevent mould growth.
• Turn off the power supply and unplug.
• Remove the remote control batteries.
NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY AND UNPLUG then
please consult authorized dealer under the following
conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the remote
control.
• Water leaks from Indoor unit.
• Circuit breaker switches off frequently.
• Power cord becomes unnaturally warm.
• Switches or buttons are not functioning properly.
Information for Users on Collection and Disposal of Old Equipment and used Batteries
[Information on Disposal in other Countries
outside the European Union]
These symbols are only valid in the European
Union. If you wish to discard these items,
please contact your local authorities or dealer
and ask for the correct method of disposal.
Note for the battery symbol (bottom two
symbol examples):
This symbol might be used in combination with
a chemical symbol. In this case it complies with
the requirement set by the Directive for the
chemical involved.
Pb

QUICK GUIDE
Remote Control Preparation
Remote Control Preparation
12
3
ON
OFF
SET
CANCEL
TIMER
123
SET CHECK CLOCK RESET
AC RC
4 5 6
1Pull out
2Insert AAA or R03 batteries (can be used ~ 1 year)
3Close the cover
4Press CLOCK
5Set time
6Confirm
MODE
MODE
FAN DRY
AUTO HEAT COOL
Select the desired mode.
1
OFF/ON
OFF/ON
Start/stop the operation.
2
TEMP
TEMP
Select the desired temperature.
3
Panasonic Corporation
Website: http://panasonic.net/
Printed in Malaysia
F568746
FT0412-0
MODE
ON
OFF
SET
CANCEL
TIMER
FAN SPEED
123
SET CHECK CLOCK RESET
AC RC
MODE MILD
DRY
AIR CONDITIONER
OFF/ON
AIR SWING
POWERFUL/QUIET
AUTO
COMFORT
MILD DRY
ECONAVI
NANOE-G
2
13