Panasonic Cs Re912skua Operating Instructions Manual

							Français English
ACXF55-00750
Operating Instructions
Air Conditioner2-11
Instructions d’utilisation
Climatiseur13-23
Operating Instructions
Air Conditioner
Model No.
Indoor Unit Outdoor Unit
CS-RE9SKUA
CS-RE12SKUACU-RE9SKUA 
CU-RE12SKUA
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Thank you for purchasing Panasonic Air Conditioner.
Installation instructions attached.
Before operating the unit, please read these operating instructions thoroughly and keep them for future 
reference.
The illustrations in this manual are for explanation purposes only and may differ from the actual unit. 
They are subject to change without notice for future improvement.
Operation conditions
Use this air conditioner under the following temperature range.
DBT  : Dry bulb temperature
WBT : Wet bulb temperature
Temperature (°F/°C)Indoor Outdoor
DBT WBT DBT WBT
COOL Max. 89.6 / 32 73.4 / 23 114.8 / 46 78.8 / 26
Min. 60.8 / 16 51.8 / 11 0 / -17.8 - / -
HEAT Max. 86.0 / 30 - / - 75.2 / 24 64.4 / 18
Min. 60.8 / 16 - / - -4 / -20 -2.2 / -19
Power Supply
Models Number Time Delay Circuit Breaker Rated Volts
CS-RE9SKUA / CU-RE9SKUA 15 Amps
208/230V
CS-RE12SKUA / CU-RE12SKUA 20 Amps
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English
Table of contents
Safety precautions ...................4-5
How to use...............................6-7
Cleaning instructions ..................8
Troubleshooting .....................9-10
Information................................11
Accessories
• Remote  control
• AAA or R03 batteries × 2
• Remote control holder
• Screws for remote control 
holder × 2
Quick guide
123
Inserting the batteries
1
  Pull out the back cover of 
remote control
2  Insert AAA or R03 batteries 
(can be used ~ 1 year)
3
  Close the cover
TIMER
SET
CANCEL ON
OFF1
23
SET CHECK CLOCK RESETAC
RC
TIMER
CANCEL
ON
OFF
13
SETCHECKRESETACRC
23
1
Clock setting
1
  Press CLOCK
2
  Set the time
3
  Confi rm
26ft/8m
MODE
POWERFUL/
QUIET
TEMP
OFF/ON
TIMER
SET
CANCEL ON
OFF1
23
AIR SWING
FAN SPEED
SET CHECK CLOCK RESETAC
RC
FAN
SPEED
AIR
SWINGAUTO
HEAT
COOL
DRY
FAN
POWERFUL/QUIET
TIMERSET
CANCEL
ON
OFF
123
AIR SWING
FAN SPEED
SETCHECKCLOCKRESETACRC
FANSPEEDAIRSWING
AUTOHEATCOOLDRYFAN
1
2
3
Basic operation
1 Select the desired mode
DRY AUTO HEAT
COOLFA N
2  Start/stop the operation
POWER
• Please note that the  
indication is on display to start 
the unit. 
3
  Select the desired temperature
• Selection range (Not applicable 
for FAN mode): 
60°F ~ 86°F / 16°C ~ 30°C.
• Operating the unit within the 
recommended temperature 
range may save energy.
HEAT : 68°F ~ 75°F / 20°C ~
  24°C. 
COOL : 78°F ~ 82°F / 26°C ~
  28°C. 
DRY : 2°F ~ 4°F / 1°C ~ 2°C
  lower than room
  temperature.
• To dim or restore the unit’s indicator 
brightness, press  and hold for
5 seconds.
• Use remote control within 26ft/8m 
from the remote control receiver of 
the indoor unit.
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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 classifi ed as below:
WARNINGThis sign warns of 
death or serious 
injury.
CAUTIONThis sign warns of 
injury or damage to 
property.
The instructions to be followed are classifi ed by 
the following symbols:
This symbol denotes an 
action that is PROHIBITED.
These symbols denote 
actions COMPULSORY.
   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 authorised 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 fi re.
Confi rm with authorised dealer or specialist on 
usage of any specifi ed refrigerant type. 
Using refrigerant type other than the specifi ed 
may cause product damage, burst and injury etc.
Do not install the unit in a potentially explosive 
or fl ammable atmosphere. Failure to do so could 
result in fi re.
Do not insert your fi ngers 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 modifi ed cord, 
joint cord, extension cord or 
unspecifi ed cord to prevent 
overheating and fi re.
  
Indoor unit
Outdoor unit
Power supply
Remote control
Air inletAir inlet
Air inletAir inlet
Air outletAir outlet
Air outletAir outlet
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English Safety precautions
To prevent overheating, fi re 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.
If the supply cord is damaged, it must be 
replaced by the manufacturer, service agent 
or similarly qualifi ed persons in order to avoid 
a hazard.
It is strongly recommended to install this 
unit using an Earth Leakage Circuit Breaker 
(ELCB) or Ground Fault Interrupt (GFCI) or 
Appliance Leakage Current Interrupt (ALCI) to 
prevent electric shock or fi re.
Stop using the product if any abnormality/
failure occurs or turn off the power switch and 
breaker. (Risk of smoke/fi re/electric shock)
Examples of abnormality/failure
• The ELCB or GFCI or ALCI trip frequently.  • Burning smell is observed.• Abnormal noise or vibration of the unit is 
observed.
• Water leaks from the indoor unit. • Power cord 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 or repair assistance.
This equipment must be earthed to prevent 
electrical shock or fi re.
Prevent electric shock by switching off the 
power supply:
- Before cleaning or servicing,
- When extended non-use, or
- During abnormally strong lightning activity.
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 airfl ow outlet to avoid fi re 
propagation.
Do not expose plants or pet directly to airfl ow 
to avoid injury, etc.
Do not touch the sharp aluminium 
fi n, sharp parts may cause injury.
Do not switch ON the indoor unit when waxing 
the fl oor. 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.
Prevent water leakage by ensuring drainage 
pipe is:
- Connected properly,
- Kept clear of gutters and containers, or
- Not immersed in water
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.
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How to use
MODE
POWERFUL/
QUIET
TEMP
OFF/ON
TIMER
SET
CANCEL ON
OFF1
23
AIR SWING
FAN SPEED
SET CHECK CLOCK RESETAC
RC
FAN
SPEED
AIR
SWINGAUTO
HEAT
COOL
DRY
FAN
/
TEMP
OFF/ON
TIMERSET
CANCEL
ON
OFF
123
CHECK
Press and hold for 
approximately 
10 seconds to show 
temperature setting in 
°F or °C.
Press and hold for 
approximately 
5 seconds to show
12-hour (am/pm) or
24-hour time indication.
Press to restore the 
remote control to 
default setting.
Not used in normal 
operations.
Remote control display
MODETo select operation mode
AUTO - For your convenience
• During operation mode selection the POWER 
indicator blinks.
• Unit selects operation mode every 10 minutes 
according to setting temperature and room 
temperature.
HEAT - To enjoy warm air
• Unit takes a while to warm up. The POWER 
indicator blinks during this operation.
COOL - To enjoy cool air
• Provides  effi cient comfort cooling to suit your 
needs.
DRY - To dehumidify the environment
• Unit operates at low fan speed to give a gentle 
cooling operation.
FAN - To circulate air in the room
POWERFUL/
QUIETTo switch between 
powerful & quiet
QUIET POWERFUL NORMAL
POWERFUL: To reach temperature quickly
POWERFUL
• This operation stops automatically after 20 
minutes.
QUIET: To enjoy quiet operation
QUIET
• This operation reduces airfl ow noise.
Can be activated in all modes and can be
cancelled by pressing the respective button again.
Auto OFF/ON button
Use when remote control is misplaced or a malfunction occurs. Raise the front panel:
1. Press the button once to use in AUTO mode.
2. Press and hold the button until you hear 1 beep, then release to use in forced 
COOL mode.
3. Repeat step 2. Press and hold the button until you hear 2 beeps, then release to 
use in normal COOL mode.
4. Repeat step 3. Press and hold the button until you hear 3 beeps, then release to 
use in forced HEAT mode.
• Press the button again to turn off.Remote control receiver 
and indicator
POWER
TIMER
POWERFUL
QUIET
(Green)
(Orange)
(Orange)
(Orange)
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English
FAN SPEEDTo select fan speed
(Remote control display)
• For AUTO, the indoor fan speed is automatically 
adjusted according to the operation mode.
AIR SWINGTo adjust vertical airfl ow 
direction
(Remote control display)
• Keeps the room ventilated.
• In COOL/DRY mode, if AUTO is set, the fl ap 
swings up/down automatically.
• In HEAT mode, if AUTO is set, the horizontal 
louver is fi xed at the predetermined position.
• Do not adjust the fl ap by hand.
How to use
Auto Restart Control
• If power is resumed after a power failure, the 
operation will restart automatically after a 
period of time with previous operation mode 
and airfl ow direction. 
• This control is not applicable when TIMER is 
set.
To adjust horizontal airfl ow direction
• Manually  adjustable.
To set the timer
2 sets of ON and OFF timers are available 
to turn ON or OFF the unit at different preset 
times.
TIMERSET
CANCEL ON
OFF1
23
AC
CCANCEL
3
ACC
213
1Select ON or OFF 
timerExample: 
OFF at 11:50PM
• Each time pressed:
OFFAMCancel
2Set the time2PM
3Confi rmSET
PM
TIMER
• 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.
• The nearest timer setting will be displayed and 
will activate 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 Quick guide.
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POWER
TIMER
POWERFUL
QUIET
Cleaning instructions
To ensure optimal performance of the unit, 
cleaning has to be carried out at regular 
intervals. Dirty unit may cause malfunction 
and you may see error code “H99”. Please 
consult authorised dealer.
• Switch off the power at the circuit breaker before 
cleaning.
• Do not touch the aluminium fi n, sharp parts may 
cause injury.
• Do not use benzene, thinner or scouring powder.
• Use only soap (
 pH 7) or neutral household 
detergent.
• Do not use water hotter than 104°F / 40°C.
Indoor unit
Wipe the unit gently with a soft, 
dry cloth.
Front panel
Wash gently and dry.
Remove the front panel
RaisePull out
1
2
POWER
TIMER
POWERFUL
QUIET
Close it securely
2Close down
3Press both ends of the front panelInsert at both sides
1
POWER
TIMER
POWERFUL
QUIET
Air fi lters
Every 2 weeks
• Wash/rinse  the fi lters gently 
with water to avoid damage to 
the fi lter surface.
• Dry  the fi lters thoroughly under shade, away 
from fi re or direct sunlight.
• Replace any damaged fi lters.
Remove air fi lter Attach air fi lter
Insert into the unit
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 COOL/
HEAT operation. After 15 minutes of operation, 
it is normal to have the following temperature 
difference between air inlet and air outlet 
vents:
 
COOL: ≥14.4°F/8°C  HEAT: ≥25.2°F/14°C
For extended non-use
• Activate HEAT mode for 2~3 hours to remove 
moisture left in the internal parts thoroughly to 
prevent mould growth.
• Turn off the power supply.
• Remove the remote control batteries.Indoor unit
Aluminium fi n Front panel
Air fi lters
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English
Troubleshooting
The following symptoms do not indicate malfunction.
SymptomCause
Mist emerges from indoor unit. • Condensation effect due to cooling process.
Water fl owing sound during operation. • Refrigerant fl ow inside the unit.
The room has a peculiar odour. • 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 odour.
Airfl ow 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.
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 caused the expansion/
contraction of the unit.
Discoloration of some plastic parts. • Discoloration is subject to material types used in plastic 
parts, accelerated when exposed to heat, sun light, UV 
light, or environmental factor.
Check the following before calling for servicing.
SymptomCheck
Operation in HEAT/COOL mode is not working 
effi ciently.• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the fi lters.
• 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 intake grille 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 fl uorescent lights may interfere with signal 
transmitter. Please consult authorised dealer.
Cleaning instructions / Troubleshooting
NON SERVICEABLE CRITERIASSWITCH OFF POWER AT THE CIRCUIT BREAKER then please consult an authorised 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.
• Switches or buttons are not functioning properly.
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The unit stops and the TIMER indicator blinks.
Use remote control to retrieve error code.
TIMER
SET
CANCEL ON
OFF1
23
SET CHECK CLOCK RESETAC
RC
TIMERSET
CANCEL
ON
OFF
13
SETCLOCKRESETACRC
Press until you hear beep sound, then 
write down the error code21
3
Press for 5 seconds 
to quit checkingTurn the unit off and reveal the error code 
to authorised dealer4 Press for 5 seconds
• For certain errors, you may restart the unit for limited operation with 4 beeps when operation starts.
Troubleshooting
Diagnostic 
displayAbnormality/Protection 
control
H 00
No memory of failure
H 11Indoor/outdoor abnormal 
communication
H 12Indoor unit capacity unmatched
H 14Indoor intake air temperature 
sensor abnormality
H 15Compressor temperature sensor 
abnormality
H 16Outdoor current transformer (CT) 
abnormality
H 19Indoor fan motor mechanism lock
H 23Indoor heat exchanger 
temperature sensor 1 abnormality
H 24Indoor heat exchanger 
temperature sensor 2 abnormality
H 25Indoor ion device abnormality
H 27Outdoor air temperature sensor 
abnormality
H 28Outdoor heat exchanger 
temperature sensor 1 abnormality
H 30Outdoor discharge pipe 
temperature sensor abnormality
H 32Outdoor heat exchanger 
temperature sensor 2 abnormality
H 33Indoor/outdoor misconnection 
abnormality
H 34Outdoor heat sink temperature 
sensor abnormality
H 36Outdoor gas pipe temperature 
sensor abnormality
H 37Outdoor liquid pipe temperature 
sensor abnormality
H 38Indoor/outdoor mismatch 
(brand code)
Diagnostic 
displayAbnormality/Protection 
control
H 39
Abnormal indoor operating unit or 
standby units
H 41Abnormal wiring or piping 
connection
H 59Eco sensor abnormality
H 64Outdoor high pressure sensor 
abnormality
H 70Light sensor abnormality
H 97Outdoor fan motor mechanism 
lock
H 98Indoor high pressure protection
H 99Indoor operating unit freeze 
protection
F 114-way valve switching 
abnormality
F 17Indoor standby units freezing 
abnormality
F 90Power factor correction (PFC)
circuit protection
F 91Refrigeration cycle abnormality
F 93Compressor abnormal revolution
F 94Compressor discharge pressure 
overshoot protection
F 95Outdoor cooling high pressure 
protection
F 96Power transistor module 
overheating protection
F 97Compressor overheating 
protection
F 98Total running current protection
F 99Outdoor direct current (DC) peak 
detection
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