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   Care And 

Maintenance

 Page 9 

   Care And 

Maintenance 

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. 

Repairing Refrigerant Leaks

 WARNING

• 

If the refrigerant leaks, turn off the air conditioner 
and any combustible heating devices, ventilate the 
room and call your dealer immediately. Refrigerant 
is both toxic and flammable.    

DO NOT

 use the air 

conditioner until the leak is repaired.

• 

When the air conditioner is installed in a small room, 
measures must be taken to prevent the refrigerant 
concentration from exceeding the safety limit in 
the event of refrigerant leakage. Concentrated 
refrigerant causes a severe health and safety threat.    

Refrigerant Leak Detection System (some models)

• 

In the event of a refrigerant leak, the LCD screen will 
display “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. 

Storing the Unit While Not In Use

1.   Run the appliance on FAN mode for 12 hours in a 

warm room to dry it and prevent mold. 

2.   Turn off the appliance and unplug it.

3.   Clean the air filter according to the instructions in the 

previous section. Reinstall the clean, dry filter before 
storing.  

4.   Remove the batteries from the remote control.

NOTE:

 Some models include an auto-lifting panel 

function, which allows the grill to move vertically and 
simplifies the filter cleaning process. 

4.   Remove the air filter.

5.   Clean the air filter by vacuuming the surface or 

washing it in warm water with mild detergent.  

A.    If using a vacuum cleaner, the inlet side should face 

the vacuum. 

Fig. 4.3

B.   If using water, the inlet side should face down and 

away from the water stream. 

Fig. 4.4

Fig. 4.2

Содержание LICH4024180P431-C

Страница 1: ...er Slim Four Way Cassette IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference Model Numbers LICH4...

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

Страница 3: ...a Unit Maintenance 08 b How to Clean the Air Filter 08 c Repairing Refrigerant Leaks 08 d Preparation for Periods of Non use 09 Troubleshooting 10 a Common Problems 10 b Troubleshooting Tips 11 Europe...

Страница 4: ...ioner 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 Failure to observe a warning may result in...

Страница 5: ...e and effective operation If the air conditioner is used outside of the following conditions it may malfunction or be less efficient COOL Mode HEAT mode DRY mode Indoor Temperature 17 32 C 62 90 F 0 3...

Страница 6: ...and outlet of the unit This will reduce the efficiency 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 batter...

Страница 7: ...er Infrared receiver Fig 3 1 Fig 3 2 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...

Страница 8: ...ing water Doing so causes electrical danger DO NOT use water hotter than 40 C 104 F to clean the front panel This can cause the panel to deform or become discolored Clean the unit using a damp lint fr...

Страница 9: ...icator 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...

Страница 10: ...s 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 compre...

Страница 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 Tur...

Страница 12: ...load protection 1 On F0 11 Outdoor temperature sensor error 2 On F 1 12 Outdoor condenser pipe sensor error 3 On F2 13 Discharge air temperature sensor error 4 On F3 14 Outdoor EEPROM Electrically Era...

Страница 13: ...l 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 w...

Страница 14: ...Page 14 QSBPQ4U 025AEN 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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