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Thank you for purchasing this air conditioner. This manual will provide you with information on how 
to operate, maintain, and troubleshoot your air conditioner. Following the instructions will ensure the 
proper function and extended lifespan of your unit.  

Please pay attention to the following signs:

Safety Precautions

1

 WARNING

• 

Ask an authorized dealer 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 professionals.  

• 

If abnormal situation arises (like burning 

smell), turn off the power supply and call 

your dealer 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

General 

Int
roduction

• 

DO NOT 

touch the air outlet while the swing 

flap is in motion. Fingers might get caught 

or the unit may break down. 

 

• 

DO NOT 

inspect the unit by yourself. Ask an 

authorized dealer 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.).  

Failure to observe a warning may result in death. The appliance must be 
installed in accordance with national regulations. 

.

Failure to observe a caution may result in injury or equipment damage.

 

WARNING

 

CAUTION

• 

DO NOT 

place items that might be affected 

by moisture damage under the indoor unit. 

Condensation can occur at a relative 

humidity of 80%. 

 

• 

DO NOT 

expose heat-producing appliances 

to cold air or place them under the indoor 

unit. This may cause incomplete combustion 

or deformation of the unit due to the heat.

 

• 

After long periods of usage, check the 

indoor unit to see if anything is damaged. If 

the indoor unit is damaged, it may fall and 

cause injury.  

• 

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.

 

• 

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.

 

• 

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. 

 

Safety 

Pr

ecautions

• 

DO NOT 

operate the air conditioner with 

wet hands. It may cause electric shock.

 

• 

DO NOT 

touch the evaporator coils inside 

the indoor unit. The evaporator coils are 

sharp and may cause injury. 

 

Summary of Contents for 38KUS012NS

Page 1: ...nual for future reference Ceiling Floor Type Model 42KZL012NS 38KUS012NS 42KZL018NS 38KUS018NS 42KZL024NS 38KUS024NS 42KZL030NS 38KUS030NS 42KZL036NT 38KUS036NT 42KZL048NT 38KUS048NT 42KZL060NT 38KUS060NT 42QZL012NS 38QUS012NS 42QZL018NS 38QUS018NS 42QZL024NS 38QUS024NS 42QZL030NS 38QUS030NS 42QZL036NS 38QUS036NS 42QZL036NT 38QUS036NT 42QZL048NT 38QUS048NT 42QZL060NT 38QUS060NT ...

Page 2: ...Indoor Unit Parts and Major Functions 05 Manual Operations 07 Table of Contents Owner s Manual SAFETY FIRST Safety Precautions 04 1 2 3 ...

Page 3: ... a Unit Maintenance 08 b How to Clean the Air Filter 08 c Repairing Refrigerant Leaks 09 d Preparation for Periods of Non use 09 Troubleshooting 10 a Common Problems 10 b Troubleshooting Tips 11 European Disposal Guidelines 13 4 5 6 ...

Page 4: ... may result in death The appliance must be installed in accordance with national regulations Failure to observe a caution may result in injury or equipment damage WARNING CAUTION DO NOT place items that might be affected by moisture damage under the indoor unit Condensation can occur at a relative humidity of 80 DO NOT expose heat producing appliances to cold air or place them under the indoor uni...

Page 5: ...is used under different conditions it may malfunction or become less efficient Indoor Unit Parts And Major Functions Installation part COOL Mode HEAT mode DRY mode Indoor Temperature 17 32 C 62 90 F O 30 C 32 86 F 17 32 C 62 90 F Outdoor Temperature 18 43 C 64 109 F 7 24 C 20 76 F 18 43 C 64 109 F 7 43 C 20 109 F low temperature cooling models 18 52 C 64 126 F For special tropical models 18 52 C 6...

Page 6: ... in the room DO NOT place objects near the air inlet and outlet of the unit Set a timer and use the built in SLEEP ECONOMY mode if applicable If you don t plan to use the unit for a long time remove the batteries from the remote control Clean the air filter every two weeks Adjust louvers properly and avoid direct airflow Louver Angle Memory Function Optional Some models are designed with a louver ...

Page 7: ...ceiver Infrared receiver Infrared receiver Infrared receiver Infrared receiver Infrared receiver Infrared receiver Operation indicator Operation indicator Operation indicator Operation indicator Timer indicator Timer indicator Timer indicator Timer indicator Alarm indicator Alarm indicator Alarm indicator Alarm indicator LED display LED display LED display LED display Manual button Manual button F...

Page 8: ... use water hotter than 40 C 104 F to clean the front panel This can cause the panel to become deformed or discolored Clean the unit using a damp lint free cloth and neutral detergent Dry the unit with a dry lint free cloth How To Clean The Air Filter The filter prevents dust and other particles from entering the indoor unit Dust buildup can reduce the efficiency of the air conditioner For optimum ...

Page 9: ...splay EC and the LED indicator light will flash Preparation For Periods Of Non Use Maintenance after Extended Non Use 1 Remove any obstacles blocking the vents of both the indoor and outdoor units 2 Clean the air filter and the front grille of the indoor unit Reinstall the clean dry air filter in its original position 3 Turn on the main power switch at least 12 hours prior to operating the unit St...

Page 10: ... its setting to prevent frost from forming on the unit Once the temperature increases the unit will start operating again The set temperature has been reached at which point the unit turns off the compressor The unit will resume 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...

Page 11: ... 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 by sunlight C...

Page 12: ...alfunction Quick flash E3 4 Condenser sensor malfunction E4 5 Water pump temperature sensor E5 6 Outdoor malfunction Quick flash Quick flash E6 7 EEPROM malfunction Quick flash Quick flash E7 8 Water level alarm malfunction E8 9 DC motor speed out of control Quick flash 10 Outdoor unit low pressure malfunction Quick flash Quick flash 11 Refrigerant leak detection system malfunction Quick flash EC ...

Page 13: ...pal 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 also take back the old appliance free of charge Sell the appliance to certified scrap metal dealers NOTE Disposing of this applia...

Page 14: ... Page 14 QSDLU 044AEN E 16122700000061 20160606 The design and specifications are subject to change without prior notice for product improvement Consult with the sales agency or manufacturer for details ...

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