Kaysun Prodigy Series User manual

IMPORTANT NOTE:
Read this manual carefully before installing or operating your new air conditioning
unit. Make sure to save this manual for future reference.
* This model is only available for multi-system units.
OWNER'S MANUAL
Prodigy Series
KAY-26 DN8
KAY-35 DN8
KAY-52 DN8
KAY-71 DN8
KAY-26 DR8
KAY-35 DR8
KAY-52 DR8
KAY-71 DR8
AKAY-26 DR9
AKAY-35 DR9
AKAY-52 DR9
AKAY-71 DR9
KAY-20 DR9*

Set
(Indoor Unit, Outdoor Unit) R-32 R-410A
KAY-26 DN8
(KAY-26 DR8 / KAE-26 DN7) 9
KAY-35 DN8
(KAY-35 DR8 / KAE-35 DN7) 9
KAY-52 DN8
(KAY-52 DR8 / KAE-52 DN7.1) 9
KAY-71 DN8
(KAY-71 DR8 / KAE-71 DN7) 9
KAY-26 DR8
(KAY-26 DR8 / KAE-26 DR8) 9
KAY-35 DR8
(KAY-35 DR8 / KAE-35 DR8) 9
KAY-52 DR8
(KAY-52 DR8 / KAE-52 DR7) 9
KAY-71 DR8
(KAY-71 DR8 / KAE-71 DR7) 9
AKAY-26 DR9
(KAY-26 DR9 / KAE-26 DR9) 9
AKAY-35 DR9
(KAY-35 DR9 / KAE-35 DR9) 9
AKAY-52 DR9
(KAY-52 DR9 / KAE-52 DR9) 9
AKAY-71 DR9
(KAY-71 DR9 / KAE-71 DR9) 9

Table of Contents
Page
0. Safety Precautions ........................................................................................ 4
1. Unit Specifications and Features ................................................................. 6
2. Manual Operation (Without Remote) ......................................................... 11
3. Care and Maintenance ................................................................................. 12
4. Troubleshooting............................................................................................ 14
5. European Disposal Guidelines ..................................................................... 18
Caution: Risk of fire /
flammable materials
(For R-32 units only)
WARNING: Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance
and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the
person competent in the use of flammable refriferants. For more details, please refer to the Information on
Servicing on INSTALLATION MANUAL (This is only required for the unit adopts R-32 Refrigerant).

Page 4 
Read Safety Precautions Before 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 CAUTION.
This symbol indicates that ignoring instructions may cause serious injury.
This symbol indicates that ignoring instructions may cause moderate injury to your person, or
damage to your unit or other property.
WARNING
CAUTION
WARNING
This appliance can be used by children aged from 8 years and above ans people with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user
maintenance shall not be made by children without supervision.
INSTALLATION WARNINGS
• Ask an authorized dealer to install this air conditioner. Inappropiate installation may cause water leakage, electric
shock, or fire.
• All repairs, maintenance and relocation of this unit must be performed by an authorized service technician. Inappropiate
repairs can lead to serious injury or product failure.
WARNINGS FOR PRODUCT USE
• If an abnormal situation arises (like a burning smell), immediately turn off the unit and pull the power plug. Call you
dealer for instructions to avoid electric shock, fire or injury.
• 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 flammable sprays such as hair spray, lacquer or paint near the unit. This may cause fire or combustion.
• Do not operate the air conditioner in places near or around combustible gases. Emitted gas may collect around the
unit and cause explosion.
• 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.
• Do not expose your body directly to cool air for a prolonged period of time.
ELECTRICAL WARNINGS
• Only use the specified power cord. If the power cord is damaged, it must be replaced by the manufacturer or certified
service agent.
• Keep power plug clean. Remove any dust or grime that accumulated on or around the plug. Dirty plugs can cause fire
or electric shock.
• Do not pull power cord to unplug unit. Hold the plug firmly and pull it from the outlet. Pulling directly on the cord can
damage it, which can lead to fire or electric shock.
• Do not use an extension cord, manually extend the power cord, or connect other appliances to the same outlet as the
air conditioner. Poor electrical connections, poor insulation, and insufficient voltage can cause fire.
0. Safety Precautions

Page 5 
WARNING This symbol shows that this appliance uses a flammable refrigerant. If the refrigerant
is leaked and exposed to an external ignition source, there is a risk of fire.
CAUTION This symbol shows that the operation manual should be read carefully.
CAUTION This symbol shows that a service personnel should be handling this equipment with
reference to the installation manual.
CAUTION
CAUTION This symbol shows that information is available such as the operating manual or
installation manual
CLEANING AND MAINTENANCE WARNINGS
• Turn off the device and pull the plug before cleaning. Failure to do so can cause electrical shock.
• Do not clean the air conditioner with excessive amounts of water.
• Do not clean the air conditioner with combustible cleaning agents. Combustible cleaning agents can cause fire or
deformation.
CAUTION
• If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room to avoid
oxygen deficiency.
• Turn off the air conditioner and unplug the unit if you are not going to use it for a long time.
• Turn off and unplug the unit during storms.
• Make sure that water condensation can drain unhindered from the unit.
• Do not operate the air conditioner with wet hands. This may cause electric shock.
• Do not use device for any other purpose than its intended use.
• Do not climb onto or place objects on top of the outdoor unit.
• Do not allow the air conditioner to operate for long periods of time with doors or windows open, or if the humidity
is very high.
Explanation of symbols displayed on the indoor unit or outdoor unit (applicable to the unit
adopts R-32 Refrigerant only):

Air Filter
(pull out)
Front Panel
Louver
Power Cable (Some Units)
Display window
Remote Control
Remote Control
Holder (Some Units)
Page 6 
1. Unit Specifications and Features
Unit Parts
Display Code
Meanings
" " for 3 seconds when:
• TIMER ON is set
• FRESH, SWING, TURBO, or SILENCE features are turned on
" " for 3 seconds when:
• TIMER OFF is set
• FRESH, SWING, TURBO, or SILENCE features are turned off
" " when anti-cold air efature is turned on (cooling & heating units)
" " when defrosting (cooling & heating)
" " when unit is self-cleaning (some units)
" " when freeze protection is turned on (some units)
" " when Wireless Control feature is activated (some units)
" " when ECO function (some units) s activated, the
' iluminates gradually one by one as --
-- -- set temperature -- ······ in one second interval
In other modes, the unit will display your temperature setting.
In Fan and Dry Mode, the unit will display the room temperature.
NOTE: A guide on using the infrared remote is not included in this literature package.

Page 7 
Achieving Optimal Performance
Optimal performance for the COOL, HEAT and DRY modes can be achieves in the following temperature ranges. When
your air conditioner is used outside of these ranges, certain safety protection features will activate and cause the unit to
perform less than optimally.
Inverter Split Type
COOL Mode HEAT Mode DRY Mode
Room Temperature 17°C - 32°C
(63°F - 90°F)
0°C - 30°C
(32°F - 86°F)
10°C - 32°C
(50°F - 90°F)
Outdoor
Temperature
0°C - 50°C
(32°F - 122°F)
-15°C - 30°C
(5°F - 86°F)
0°C - 50°C
(32°F - 122°F)
-15°C - 50°C
(5°F - 122°F)
(For models with
low-temp. cooling
systems)
0°C - 60°C
(32°F - 140°F)
(For special tropical
models)
0°C - 60°C
(32°F - 140°F)
(For special tropical
models)
COOL Mode HEAT Mode DRY Mode
Room
Temperature
17°C - 32°C
(63°F - 90°F)
0°C - 30°C
(32°F - 86°F)
13°C - 32°C
(50°F - 90°F)
Outdoor
Temperature
18°C - 43°C
(64°F - 109°F)
-7°C - 24°C
(19°F - 75°F)
18ºC - 43ºC
(64ºF - 109ºF)
-7°C - 43°C
(19°F - 109°F)
(For models with low-temp.
cooling systems)
18ºC - 43ºC
(64ºF - 109ºF)
18°C - 54°C
(64°F - 129°F)
(For special tropical models)
18°C - 54°C
(64°F - 129°F)
(For special tropical models)
FOR OUTDOOR UNITS
WITH AUXILIARY ELECTRIC
HEATER
When outside temperature is
below 0ºC (32ºF), we strongly
recommend keeping the unit
plugged in at all time to ensure
smooth ongoing performance.
Fixed-Speed Type
To further optimize 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.

Page 8 
For detailed explanation of each function, refer to the
Remote-Control Manual.
Other Features
• Auto-Restart
If the unit loses power, it will automatically restart with
the prior settings once power has been restored.
• Anti-Mildew (some units)
When turning off the unit from COOL, AUTO (COOL),
or DRY modes, the air conditioner will continue operate
at very low poer to dry up condensed water and prevent
mildew growth.
• Mute Operation (some units)
Press the LED button on the remote control can turn
off the indoor screen display, and also turn off the air
conditioner buzzer, which create a comfortable and
quiet environment.
• Wireless Control (some units)
Wireless control allows you to control your air
conditioner using your mobile phone and a wireless
conection.
For the USB device access, replacement, maintenance
operations must be carried out by professional staff.
• Louver Angle Memory (some units)
When turning on your unit, the louver will automatically
resume its former angle.
• Refrigerant Leakage Detection (some units)
The indoor unit will automatically display "EC" when it
detects refrigerant leakage.
For a detailed explanation of your unit's advanced
functionality (such as TURBO mode and its self-cleaning
functions), refer to the Remote-Control Manual.
NOTE ON ILLUSTRATIONS
Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly different. The
actual shape shall prevail.

Fig. B
Deflector
rod
The louver can be taken
down by releasing the
lock block
Fig. A
Range
Page 9 
• Setting Angle of Air Flow
Setting vertical angle of air flow
While the unit is on, use the SWING/DIRECT button to set
the direction (vertical angle) of airflow.
1. Press the SWING/DIRECT button once to activate the
louver. Each time you press the button, it will adjust the
louver by 6º. Press the button until the direction you
prefer is reached.
2. To make the louver swing up and down continuously,
press and hold the SWING/DIRECT button for 3
seconds. Press it again to stop the automatic function.
(The vertical louver auto swing is an optional function).
Setting horizontal angle of air flow
The horizontal angle of the airflow must be set manually.
Grip the deflector rod (See Fig. B) and manually adjust it to
your preferred direction.
For some unit the horizontal angle of the airflow can be
set by remote control. Please refer to the Remote-Control
Manual.
NOTE ON LOUVER ANGLES
When using COOL or DRY mode, do not set louver at too
vertical angle for long periods of time. This can cause water
to condense on the louver blade, which will drop on your
floor or furnishings (See Fig. A).
When using COOL or HEAT mode, setting the louver at too
vertical angle can reduce the performance of the unit due
to restricted airflow.
Do not move louver by hand. This will cause the louver to
become out of sync. If this occurs, turn off the unit and
unplug it for a few seconds, then restart the unit. This will
reset the louver.
CAUTION
Do not put your fingers in or near the blower and suction
side of the unit. The high-speed fan inside the unit may
cause injury.

Page 10 
• Sleep Operation
The SLEEP function is used to decrease energy use while
you sleep (and don't need the same temperature settings
to stay comfortable). This function can only be activated via
remote control.
Press the SLEEP button when you are ready to go to sleep.
When in COOL mode, the unit will increase the temperature
by 1ºC (2ºF) after 1 hour and will increase an additional 1ºC
(2ºF) after another hour. When in HEAT mode, the unit will
decrease the temperature by 1ºC (2ºF) after 1 hour and will
decrease an additional 1ºC (2ºF) after another hour.
It will hold the new temperature for 5 hours, then the unit
will turn off automatically.
NOTE: The SLEEP fucntion is not available in FAN or DRY
mode.

Manual control button
Page 11 
2. Manual Operation (Without Remote)
How to operate your unit without the
remote control
If your remote control fails to work, your unit can be
operated manually with the MANUAL CONTROL button
located on the indoor unit.
NOTE: That manual operation is not a long-term solution,
and that operating the unit with your remote control is
strongly recommended.
BEFORE MANUAL OPERATION
Unit must be turned off before manual operation.
To operate your unit manually:
1. Locate the MANUAL CONTROL button on the right-
hand side panel of the unit.
2. Press the MANUAL CONTROL button one time to
activate FORCED AUTO mode.
3. Press the MANUAL CONTROL button again to activate
FORCED COOLING mode.
4. Press the MANUAL CONTROL button a third time to
turn the unit off.
CAUTION
The manual button is intended for testing purposes and
emergency operation only. Please do not use this function
unless the remote control is lost and it is necessary. To
restore regular operation, use the remote control to activate
the unit.

(some units)
Page 12 
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 specially 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 40ºC (104ºF) to clean
the front panel. This can cause the panel to deform or
become discolored.
Cleaning your Air Filter
A clogged air conditioner can reduce the cooling efficiency
of your unit and can also be bad for your health. Make sure
to clean the filter once every two weeks.
1. The air filter is under the top air inlet grill.
2. Grip the tab on the end of the filter, lift it up, then pull
it towards yourself.
3. If your filter has a small air freshening filter, unclip it
from the larger filter. Clean this air freshening filter with
a hand-held vacuum.
4. Clean the large air filter with warm, soapy water. Be
sure to use a mild detergent.
5. Rinse the filter with fresh water, then shake off excess
water.
6. Dry it in a cool, dry place, and refrain from exposing it
to direct sunlight.
7. When dry, re-clip the air freshening filter to the larger
filter, then slide it back into the indoor unit.
CAUTION
Do not touch air freshening (Plasma) filter for at least 10
minutes after turning off the unit.

Check for damaged wires Clean all filters
Check for leaks Replace batteries
Make sure nothing is blocking all air inlets and outlets
Clean all filters Turn on FAN function until
dries out completely
Turn off the unit and
disconnect the power
Remove batteries
from remote control
Page 13 
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.
Air Filter Reminders (Optional)
Air Filter Cleaning Reminder
After 240 hours of use, the display window on the indoor
unit will flash "CL". This is a reminder to clean your filter.
After 15 seconds, the unit will revert to its previous display.
To reset the reminder, press the LED button on your remote
control 4 times, or press the MANUAL CONTROL button
3 times. If you don't reset the reminder, the "CL" indicator
will flash again when you restart the unit.
Air Filter Replacement Reminder
After 2,880 hours of use, the display window on the indoor
unit will flash "nF". This is a reminder to replace your filter.
After 15 seconds, the unit will revert to its previous display.
To reset the reminder, press the LED button on your remote
control 4 times, or pres the MANUAL CONTROL button 3
times. If you don't reset the reminder, the "nF" indicator
will flash again when you restart the unit.
CAUTION
• Any maintenance and cleaning of outdoor unit should
be performed by an authorized dealer or a licensed
service provider.
• Any unit repairs should be performed by an authorized
dealer or a licensed service provider.
Maintenance - Long Periods of Non-Use
If you plan not to use your air conditioner for an extended
period, do the following:
Maintenance - Pre-Season Inspection
After long periods of non-use, or before periods of frequent
use, do the following:

Page 14 
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 AUTHORIZED SERVICE PROVIDER IMMEDIATELY!
Common Issues
The following problems are not a malfunction and, in most situations, will not require repairs.
Issue Possible Causes
Unit does not turn on when
pressing ON/OFF button
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
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 outfoor
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 soung may occur when the louver resets its position.
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.

Page 15 
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 moldy and should be cleaned.
The fan of the outdoor unit
does not operate During operation, the fan speed is controlled to optimize product operation.
Operation is erratic,
unpredictable, or unit is
unresponsive
Interference from cell phone towers and remote boosters may cause the unit to
malfunction.
In this case, try the following:
• Disconnect the power, then reconnect.
• Press ON/OFF button on remote control to restart operation.
NOTE: If problem persists, contact a local dealer or your nearest customer service center. Provide them with a detailed
description of the unit malfunction as well as your model number.

Page 16 
Troubleshooting
When troubles occur, please check the following points before contacting a repair company.
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 Clean the affected heat exchanger
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 Close windows and curtains during periods of
high heat or bright sunshine
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 Check for leaks, re-seal if necessary and top off
refrigerant
SILENCE function is activated (optional
function)
SILENCE function can lower product performance
by reducing operating frequency. Turn off SILENCE
function.
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 Replace the fuse
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

Page 17 
Problem Possible Causes Solution
The unit starts and
stops frequently
There's too much or too little refrigerant in
the system
Check for leaks and recharge the system with
refrigerant
Incompressible gas or moisture has entered
the system Evacuate and recharge the system with refrigerant
The compressor is broken Replace the compressor
The voltage is too high or too low Install a manostat to regulate the voltage
Poor heating
performance
The outdoor temperature is extremely low Use auxiliary heating device
Cold air is entering through doors and
windows
Make sure that all doors and windows are closed
during use
Low refrigerant due to leak or long-term use Check for leaks, re-seal if necessary and top off
refrigerant
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, the connect it again. Turn the unit on.
If the problem persists, disconnect the power and contact your nearest customer service center.
Error code appears
in the window
display of indoor
unit:
• E0, E1, E2 ...
• P1, P2, P3 ...
• F1, F2, F3 ...
NOTE: If your problem persists after performing checks and diagnostics above, turn off your unit immediately and
contact an authorized service center.

Page 18 
5. European Disposal Guidelines
This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law
requires special collection and treatment. Do not dispose of this product as 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.
• When buying a new appliance, the retailer will take back the old appliance free of charge.
• The manufacturer will take back the old appliance free of charge.
• Sell the appliance to certified scrap metal dealers.
Special notice
Disposing of this appliance in the forest or other natural surroundings endangers your health and is bad for the environment.
Hazardous substances may leak into the ground water and enter the food chain.

The design and specifications are subject to change without prior notice for product
improvement. Consult with the sales agency or manufacturer for details
CS78421-548-754
CS381U-AE(R32)
16122000003115
2017061