Kaden KCS Series User manual

Owner’s
Manual
CASSETTE AIR CONDITIONER
KCS Series
KCS24 | KCS36 | KCS42 | KCS48

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1. Safety precautions 4
2. Unit specications and features 5
Indoor unit display 5
Operating temperature 6
Other features 7
3. Care and maintenance 8
Cleaning your indoor unit 8
Cleaning your air filter 8
Maintenance – long periods of non-use 9
Maintenance – pre-season inspection 9
4. Troubleshooting 10
Common issues 10
Troubleshooting 11
5. Disposal guidelines 13
Table of contents
Important note
Read this manual carefully before installing
or operating your new air conditioning unit.
Make sure to save this manual for future reference.

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1. Safety precautions
Read safety precautions before operation and installation
Incorrect installation due to ignoring instructions can cause serious damage or injury.
The seriousness of potential damage or injuries is classified as either a WARNING or a CAUTION.
WARNINGS FOR PRODUCT USE
• Ask an authorised technician to install this air conditioner. Inappropriate installation may cause water leakage, electric
shock, or fire.
• The warranty will be voided if the unit is not installed by a licensed person.
• If an abnormal situation arises (like a burning smell), turn off the power supply and call a licensed installer for instructions to
avoid electric shock, fire or injury.
• Do not let the indoor unit or the remote control get wet. It may cause electric shock or fire.
• Do not insert fingers, rods or other objects into the air inlet or outlet. This may cause injury, since the fan may be rotating at
high speeds.
• Do not use a flammable spray such as hair spray, lacquer or paint near the unit. This may cause fire or combustion.
CAUTION
• Do not inspect the unit by yourself. Ask an authorised installer to perform the inspection.
• To prevent product deterioration, do not use the air conditioner for preservation purposes (storage of food, plants, animals,
works of art, etc.).
• Do not touch the evaporator coils inside the indoor unit. The evaporator coils are sharp and may cause injury.
• Do not operate the air conditioner with wet hands. It may cause electric shock.
• Do not operate the air conditioner when using fumigant insecticides. The chemicals may become layered with the unit and
endanger those who are hypersensitive to chemicals.
• Do not let children play with the air conditioner.
• If the air conditioner is used together with other heating devices, thoroughly ventilate the room to avoid oxygen deficiency.
• Do not climb onto or place objects on top of the outdoor unit.
• The air conditioner can be used by children aged 8 years and older and people with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, if they have been given instruction on how to properly and safely operate
the system.
• Do not operate the air conditioner in a wet room (e.g. bathroom or laundry room). This can cause electrical shock and
cause the product to deteriorate.
• An all-pole disconnection device which has at least 3mm separation distance in all pole and a residual current device (RCD)
with the rating of above 10mA shall be incorporated in the fixed wiring according to the national rule.
• The appliance shall be installed in accordance with national wiring regulations.
• Children should be supervised to ensure that they do not play with the appliance.
This symbol indicates the possibility of property damage or serious consequences.
This symbol indicates the possibility of personal injury or loss of life.

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2. Unit specications and features
Indoor unit display
MANUAL BUTTON: This button selects the mode in the following order: AUTO, FORCED COOL, OFF.
FORCED COOL MODE: In FORCED COOL mode, the Operation light flashes. The system will then turn to AUTO after it has cooled
with a high fan speed for 30 minutes. The remote control will be disabled during this operation.
OFF MODE: When the panel is turned OFF, the unit turns off and the remote control is re-enabled.
Air outletAir inlet
LouvreDisplay panel
Manual
button
LED
display
Infrared
receiver

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Operating temperature
When your air conditioner is used outside of the following temperature ranges, certain safety protection features may activate and
cause the unit to disable.
Inverter split type
COOL mode HEAT mode DRY mode
Room temperature 17°C – 32°C 0°C – 30°C 10°C – 32°C
Outdoor temperature -15°C – 50°C -15°C – 24°C 0°C – 50°C
When outside temperature is below 0°C we strongly recommend keeping the unit plugged in at all time to ensure smooth ongoing
performance.
NOTE: If the air conditioner operates in excess of room relative humidity less than 80%, the surface of the air conditioner may attract
condensation. Please sets the vertical air flow louvre to its maximum angle (vertically to the floor), and set HIGH fan mode.
To further optimise the performance of your unit, do the following:
• Keep doors and windows closed.
• Limit energy usage by using TIMER ON and TIMER OFF functions.
• Do not block air inlets or outlets.
• Regularly inspect and clean air filters.

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Other features
Default setting
When the air conditioner restarts after a power failure, it will
default to the factory settings (AUTO mode, AUTO fan, 24°C
(76°F)). This may cause inconsistencies on the remote control
and unit panel. Use your remote control to update the status.
Auto-restart
In case of power failure, the system will immediately stop.
When power returns, the Operation light on the indoor unit
will flash. To restart the unit, press the ON/OFF button on the
remote control. If the system has an auto restart function, the
unit will restart using the same settings.
Three-minute protection feature
A protection feature prevents the air conditioner from being
activated for approximately 3 minutes when it restarts
immediately after operation.
Louvre angle memory function
Some models are designed with a louvre angle memory
function. When the unit restarts after a power failure, the angle
of the horizontal louvres will automatically return to the previous
position. The angle of the horizontal louvre should not be set
too small as condensation may form and drip into the machine.
To reset the louvre, press the manual button, which will reset
the horizontal louvre settings.
Refrigerant leak detection system
In the event of a refrigerant leak, the LCD screen will display
“EC” and the LED indicator light will flash.

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3. Care and maintenance
Cleaning your indoor unit
BEFORE CLEANING
OR MAINTENANCE
ALWAYS TURN OFF YOUR AIR CONDITIONER
SYSTEM AND DISCONNECT ITS POWER SUPPLY
BEFORE CLEANING OR MAINTENANCE.
CAUTION
Only use a soft, dry cloth to wipe the unit clean. If the unit
is especially dirty, you can use a cloth soaked in warm
water to wipe it clean.
• Do not use chemicals or chemically treated cloths to
clean the unit.
• Do not use benzene, paint thinner, polishing powder
or other solvents to clean the unit. They can cause the
plastic surface to crack or deform.
• Do not use water hotter than 40°C to clean the front
panel. This can cause the panel to deform or become
discoloured.
Cleaning your air lter
A clogged air conditioner can reduce the cooling efficiency of
your unit, and can also be bad for your health.
WARNING: DO NOT REMOVE
OR CLEAN THE FILTER BY
YOURSELF
Removing and cleaning the filter can be dangerous.
Removal and maintenance must be performed by an
authorised technician.
1. Unlock the grille by pushing the two tabs towards the
middle simultaneously.
2. Unplug the display panel cable from the control box on the
main body.
3. Detach the grille from the main unit by holding the grille at
a 45° angle, lifting it up slightly and then pulling the grille
forward.
4. Remove the air filter.
5. Clean the air filter by vacuuming the surface or washing it in
warm water with mild detergent.
6. Rinse the filter with clean water and allow it to air-dry.
Do not let the filter dry in direct sunlight.
7. Reinstall the filter.
8. Reinstall the front grille and reconnect the display panel
cable to the control box on the main body.
Press tabs to
release grille
If using water, the inlet
side should face down
and away from the
water stream.
If using a vacuum
cleaner, the inlet
side should face
the vacuum.

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CAUTION
• Before changing the filter or cleaning, turn off the unit
and disconnect its power supply.
• When removing filter, do not touch metal parts in the
unit. The sharp metal edges can cut you.
• Do not use water to clean the inside of the indoor unit.
This can destroy insulation and cause electrical shock.
• Do not expose filter to direct sunlight when drying.
This can shrink the filter.
CAUTION
• Any maintenance and cleaning of outdoor unit should
be performed by an authorised technician
• Any unit repairs should be performed by an authorised
technician.
Maintenance –
long periods of non-use
If you plan not to use your air conditioner for an extended
period of time, do the following:
Maintenance –
pre-season inspection
After long periods of non-use, or before periods of frequent
use, do the following:
Remove batteries from
remote control
Turn off the unit and
disconnect the power
Turn on FAN function
until unit dries out
completely
Clean all filters
Replace batteriesCheck for leaks
Make sure nothing is blocking all air inlets and outlets
Check for
damaged wires
Clean all filters

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4. Troubleshooting
SAFETY PRECAUTIONS
If any of the following conditions occurs, turn off your unit immediately!
• The power cord is damaged or abnormally warm
• You smell a burning odour
• The unit emits loud or abnormal sounds
• A power fuse blows or the circuit breaker frequently trips
• Water or other objects fall into or out of the unit
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORISED TECHNICIAN IMMEDIATELY!
Common issues
The following are not malfunctions and in most situations will not require repairs.
Issue Possible causes
Unit does not turn on when
the ON/OFF button is
pressed
The unit has a 3-minute protection feature that prevents the unit from overloading. The unit cannot
be restarted within three minutes of being turned off.
Cooling and heating models: If the Operation light and PRE-DEF (Pre-heating/ Defrost) indicators
are lit up, the outdoor temperature is too cold and the unit’s anti-cold wind is activated in order to
defrost the unit.
In Cooling-only models: If the “Fan Only” indicator is lit up, the outdoor temperature is too cold
and the unit’s anti-freeze protection is activated in order to defrost the unit.
The unit changes from
COOL/HEAT mode to FAN
mode
The unit may change its setting to prevent frost from forming on the unit. Once the temperature
increases, the unit will start operating in the previously selected mode again.
The set temperature has been reached, at which point the unit turns off the compressor. The unit
will continue operating when the temperature fluctuates again.
The indoor unit emits white
mist
In humid regions, a large temperature difference between the room’s air and the conditioned air
can cause white mist.
Both the indoor and outdoor
units emit white mist
When the unit restarts in HEAT mode after defrosting, white mist may be emitted due to moisture
generated from the defrosting process.
The indoor unit makes noises A rushing air sound may occur when the louvre resets its position.
A squeaking sound is heard when the system is OFF or in COOL mode. The noise is also heard
when the drain pump (optional) is in operation.
A squeaking sound may occur after running the unit in HEAT mode due to expansion and
contraction of the unit’s plastic parts.
Both the indoor unit and
outdoor unit make noises
Low hissing sound during operation: This is normal and is caused by refrigerant gas flowing
through both indoor and outdoor units.
Low hissing sound when the system starts, has just stopped running, or is defrosting: This noise
is normal and is caused by the refrigerant gas stopping or changing direction.
Squeaking sound: Normal expansion and contraction of plastic and metal parts caused by
temperature changes during operation can cause squeaking noises.

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Issue Possible causes
The outdoor unit makes
noises
The unit will make different sounds based on its current operating mode.
Dust is emitted from either
the indoor or outdoor unit
The unit may accumulate dust during extended periods of non-use, which will be emitted when
the unit is turned on. This can be mitigated by covering the unit during long periods of inactivity.
The unit emits a bad odour The unit may absorb odours from the environment (such as furniture, cooking, cigarettes, etc.)
which will be emitted during operations.
The unit’s filters have become mouldy and should be cleaned.
The fan of the outdoor unit
does not operate
During operation, the fan speed is controlled to optimise product operation.
Troubleshooting
When troubles occur, please check the following points before contacting your qualified technician.
Problem Possible causes Solution
Poor cooling
performance
Temperature setting may be higher than ambient
room temperature
Lower the temperature setting
The heat exchanger on the indoor or outdoor unit
is dirty
Contact a qualified service technician
The air filter is dirty Remove the filter and clean it according to instructions
The air inlet or outlet of either unit is blocked Turn the unit off, remove the obstruction and turn it
back on
Doors and windows are open Make sure that all doors and windows are closed
while operating the unit
Excessive heat is generated by sunlight Close windows and curtains during periods of high
heat or bright sunshine
There are too many sources of heat in the room
(people, computers, electronics, etc.)
Reduce amount of heat sources
Low refrigerant due to leak or long-term use Contact a qualified service technician
The unit is not
working
Power failure Wait for the power to be restored
The power is turned off Turn on the power
The fuse is burned out Contact a qualified service technician
Remote control batteries are dead Replace batteries
The unit’s 3-minute protection has been activated Wait three minutes after restarting the unit
Timer is activated Turn timer off

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Problem Possible causes Solution
The unit starts and
stops frequently
There’s too much or too little refrigerant in the
system
Contact a qualified service technician
Incompressible gas or moisture has entered the
system
Contact a qualified service technician
System circuit is blocked Contact a qualified service technician
The compressor is broken Contact a qualified service technician
The voltage is too high or too low Contact a qualified service technician
Poor heating
performance
The outdoor temperature is extremely low Contact a qualified service technician
Cold air is entering through doors and windows Make sure that all doors and windows are closed
during use
The refrigerant level has become low due to a leak
or long-term use
Contact a qualified service technician
Indicator lamps
continue flashing
The unit may stop operation or continue to run safely. If the indicator lamps continue to flash or error codes
appear, wait for about 10 minutes. The problem may resolve itself.
If not, disconnect the power, then connect it again. Turn the unit on.
If the problem persists, disconnect the power and contact your nearest qualified service technician.
Error code appears
and begins with the
following letters in
the window display
of the indoor unit:
• E(x), P(x), F(x)
• EH(xx), EL(xx),
EC(xx)
• PH(xx), PL(xx),
PC(xx)
NOTE: If your problem persists after performing the checks and diagnostics above, turn off your unit immediately and contact
your qualified service technician.

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5. Disposal guidelines
The appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law may require
special collection and treatment. Decommissioning of this air conditioner must be performed by a trade qualified licensed technician
so as to comply with Australian law.
Emitting some refrigerants to the atmosphere is illegal and is detrimental to the environment.
CAUTION
This air conditioner contains high pressure refrigerant and oil.
Do not dispose of this product as a household waste or unsorted municipal waste.
When disposing of this appliance, you have the following options:
• Dispose of the appliance at designated municipal electronic waste collection facility.
• Sell the appliance to a certified scrap metal dealer.
NOTE: Disposing of this appliance in the forest or other natural surroundings endangers your health and is bad for the
environment.

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