LG LG Cassette-Type Air Conditioner OWNER'S MANUAL IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner. • Please retain this owner's manual for future reference after reading it thoroughly.
Cassette-Type Air Conditioner Owner’s Manual TABLE OF CONTENTS Safety Precautions .........................3 FOR YOUR RECORDS Write the model and serial numbers here: Model # Prior to Operation ..........................8 Serial # You can find them on a label on the side of each unit. Dealer's Name Introduction ....................................9 Date Purchased Staple your receipt to this page in the event you need it to prove date of purchase or for warranty issues. Electrical Safety .............
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. ■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage. ■ Meanings of symbols used in this manual are as shown below. Be sure not to do.
Safety Precautions Do not modify or extend the power cable. • There is risk of fire or electric shock. Do not install, remove, or re-install the unit by yourself (customer). • There is risk of fire, electric shock, explosion, or injury. Do not install the product on a defective installation stand. For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire, electric shock, explosion, or injury. • It may cause injury, accident, or damage to the product.
Safety Precautions Do not allow water to run into electric parts. • It may cause There is risk of fire, failure of the product, or electric shock. Do not store or use flammable gas or combustibles near the product. • There is risk of fire or failure of product. Do not use the product in a tightly closed space for a long time. • Oxygen deficiency could occur. Gasolin When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on.
Safety Precautions When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker. • There is risk of product damage or failure, or unintended operation. Take care to ensure that nobody could step on or fall onto the outdoor unit. • This could result in personal injury and product damage. ■ Installation Always check for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product.
Safety Precautions Do not block the inlet or outlet of air flow. • It may cause product failure. Use a soft cloth to clean. Do not use harsh detergents, solvents, etc. • There is risk of fire, electric shock, or damage to the plastic parts of the product. Do not touch the metal parts of the product when removing the air filter. They are very sharp! • There is risk of personal injury. x Wa Thinner Do not step on or put anyting on the product. (outdoor units) Always insert the filter securely.
Prior to Operation Prior to Operation Preparing for operation 1. Contact an installation specialist for installation. 2. Plug in the power plug properly. 3. Use a dedicated circuit. 4. Do not use an extension cord. 5. Do not start/stop operation by plugging/unplugging the power cord. 6. If the cord/plug is damaged, replace it with only an authorized replacement part. Usage 1. Being exposed to direct airflow for an extended period of time could be hazardous to your health.
Introduction Introduction Symbols used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. NOTICE This symbol indicates special notes. Features WARNING: This appliance should be installed in accordance with national wiring regulations. This guide acts as a guide to help to explain product features.
Electrical Safety Electrical Safety WARNING: This appliance must be properly grounded. To minimize the risk of electric shock, you must alway plug into a grounded oulet. Preferred method Ensure proper ground exists before use WARNING: Do not cut or remove the grounding prong from the power wire.
Operating Instructions Operating Instructions Indoor Unit, Outdoor Unit Indoor Unit Heat Pump Model Anti-bacteria Signal Receptor Air Intake Cooling Model Air Outlet Signal Receptor Receives the signals from the remote control. (Signal receiving sound: two short beeps or one long beep.) Signal Receptor Operation Indication Lamps On/Off : Lights up during the system operation. Filter Sign : Lights up after 2400 hours from the time of first operating unit. (Refer to page 23.
Operating Instructions Name and Function of Controller The controls will look like the following. Wireless Remote Controller 5 1 6 3 4 2 7 11 8 10 CANCEL ON OFF 9 SET 12 14 13 Operation Mode Flip-up door (opened) 14. 2nd F BUTTON Used prior to using modes printed in blue at the botton of buttons. Cooling Operation Auto Operation Healthy Dehumidification Operation Heating Operation • Cooling Model ( ), Heat Pump Model ( 12 Cassette-Type Air Conditioner 13.
Operating Instructions Operation Mode 1 1 3 2 Press the START/STOP BUTTON to turn the unit on. The unit will respond with a beep. Open the door of the remote controller and press the operation mode button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow. 4 ON 3 4 2 Cooling Auto Operation Healthy Dehumidification For cooling or heating operation set the desired indoor temperature by pressing the ROOM TEMPERATURE SETTING BUTTONS.
Operating Instructions Healthy Dehumidification Operation To run the healthy dehumidification mode follow steps 1, and 2 and 4 (See operation mode) Auto Operation In this operation mode the actual setting temperature and the fan speed are automatically set by the electronic control logic based on the current room temperature. If you feel hot or cold press the temperature setting buttons respectively for more cooling or heating effect.
Operating Instructions Jet Cool/Heat Operation Jet cool function can be used to cool the room quickly in hot summer. When this function is turned on, the air conditioner runs in cooling operation mode with super high fan speed and 18°C setting temperature for fast and effective cooling. Similarly, jet heat function (available only in some models) warms up the room quickly by operating at super high fan speed and 30°C setting temperature for 60 minutes.
Operating Instructions Remote Controller AUTO SWING OPERATION SET TEMP Room Temp HI MED LO Timer Operation unit 03 SUB FUNCTION AUTO Heater Defrost SL0 Filter ZONE 1 2 Time On Off Set no. Time 01 FAN SPEED JET Preheat Humidify Out door 3 4 Program set 05 07 09 11 13 15 17 19 21 23 6 3 17 19 10 11 12 13 14 15 Heat Pump Model 1 2 Timer Cancel Program Week 5 Holiday Plasma Set/Clr Hour Min RESET 16 18 1. Operation display Displays the operation conditions. 2.
Maintenance and Service Maintenance and Service CAUTION Before performing any maintenance, turn off the main power to the system. Indoor Unit Grille, Case and Remote Control Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. NOTICE Anti-biofilter Supply power must be disconnected before cleaning the indoor unit.
Maintenance and Service When the air conditioner is not going to be used When air conditioner is not going to be used for a long time. 1. Operate the air conditioner at the following settings for 2 to 3 hours. • Type of operation: Fan operation mode. • This will dry out the internal mechanisms. 2. Turn off the breaker. CAUTION Turn off the circuit breaker when the air conditioner is not going to be used for a long time. Dirt may collect and may cause a fire.
Maintenance and Service Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service.... If the fault persists, please contact your dealer or service center. Cas e Ex p l an at i o n See p ag e The air conditioner does not operate. • Have you made a mistake in timer operation? 16 • Has the fuse blown or has the circuit breaker been tripped? - The room has a peculiar odor.
P/No.
