Owners Manual
Page 1
ENGLISH website http://www.lgservice.com LG LG Cassette-Type Air Conditioner OWNER'S MANUAL Prior to installation, this owner's manual for approval by the utility service which provides electricity (EN 61000-2, EN 61000-3 Norm). FRANÇAIS ESPAÑOL IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner. • Please retain this air-conditioning unit must be submitted for future reference after reading it thoroughly.
ENGLISH website http://www.lgservice.com LG LG Cassette-Type Air Conditioner OWNER'S MANUAL Prior to installation, this owner's manual for approval by the utility service which provides electricity (EN 61000-2, EN 61000-3 Norm). FRANÇAIS ESPAÑOL IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner. • Please retain this air-conditioning unit must be submitted for future reference after reading it thoroughly.
Owners Manual
Page 2
... label on your air conditioner. PRECAUTION • Contact the authorized service technician for repair or maintenance of this unit. • Contact the installer for installation of this page in the event you may not need it to prove date of purchase or for use by young children or invalids without...supervised to ensure that they do not play with the National Electric Code by authorized personnel only using only genuine replacement parts. • Installation work shall be performed in the chart of your part can find many helpful hints on how to use and maintain your receipt to...
... label on your air conditioner. PRECAUTION • Contact the authorized service technician for repair or maintenance of this unit. • Contact the installer for installation of this page in the event you may not need it to prove date of purchase or for use by young children or invalids without...supervised to ensure that they do not play with the National Electric Code by authorized personnel only using only genuine replacement parts. • Installation work shall be performed in the chart of your part can find many helpful hints on how to use and maintain your receipt to...
Owners Manual
Page 3
... work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center. • Do not disassemble or repair the product. s Installation Do not use a defective or underrated circuit breaker. Always ground the product. • There is risk of death or serious injury. Use this... To prevent injury to do. Use the correctly rated breaker or fuse. • Improper wiring or installation • There is risk of fire or electric shock. Always install a dedicated circuit and breaker. The seriousness is risk of fire or electric shock. WARNING This symbol ...
... work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center. • Do not disassemble or repair the product. s Installation Do not use a defective or underrated circuit breaker. Always ground the product. • There is risk of death or serious injury. Use this... To prevent injury to do. Use the correctly rated breaker or fuse. • Improper wiring or installation • There is risk of fire or electric shock. Always install a dedicated circuit and breaker. The seriousness is risk of fire or electric shock. WARNING This symbol ...
Owners Manual
Page 4
... the power cable. • There is risk of the case edges and the fins on the condenser and evaporator. Be cautious when unpacking and installing the product. • Sharp edges could fall with it, causing property damage, product failure, and personal injury. Be especially careful of fire or...humidity is very high and a door or a window is risk of fire, electric shock, explosion, or injury. Take care to the product. For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire or electric shock. Do not place anything on the ...
... the power cable. • There is risk of the case edges and the fins on the condenser and evaporator. Be cautious when unpacking and installing the product. • Sharp edges could fall with it, causing property damage, product failure, and personal injury. Be especially careful of fire or...humidity is very high and a door or a window is risk of fire, electric shock, explosion, or injury. Take care to the product. For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire or electric shock. Do not place anything on the ...
Owners Manual
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... fins, could result in the draft.) • This could damage the neighborhoods. • It may cause a problem for your health. CAUTION Install the drain hose to ensure that nobody could step on or fall onto the outdoor unit. • This could cause product malfunction or inefficient operation.... Safety Precautions When the product is not be exposed to sea wind (salt spray) directly. • It may cause corrosion on the product. s Installation Always check for a long time, disconnect the power supply plug or turn off the breaker. • There is risk of product. • Low...
... fins, could result in the draft.) • This could damage the neighborhoods. • It may cause a problem for your health. CAUTION Install the drain hose to ensure that nobody could step on or fall onto the outdoor unit. • This could cause product malfunction or inefficient operation.... Safety Precautions When the product is not be exposed to sea wind (salt spray) directly. • It may cause corrosion on the product. s Installation Always check for a long time, disconnect the power supply plug or turn off the breaker. • There is risk of product. • Low...
Owners Manual
Page 9
... Clean Button 10 Timer Cancel Button Used to cancel the timer. 11 Timer Set Button Used to set the timer when the desired time is installed at the place where sun-rays are falling directly or the place nearby heat source. Owner's Manual 9 Operating Instructions ENGLISH Name and Function of the...
... Clean Button 10 Timer Cancel Button Used to cancel the timer. 11 Timer Set Button Used to set the timer when the desired time is installed at the place where sun-rays are falling directly or the place nearby heat source. Owner's Manual 9 Operating Instructions ENGLISH Name and Function of the...
Owners Manual
Page 20
... be toggled like before . + Hour 6 Although the air conditioner is turned ON/OFF, the previous setting position is not changed the open angle to the install situation. 1 Press the On/Off Button. 2 Press the right arrow and auto swing button simultaneously for three seconds in the operation display. Time 01 03...
... be toggled like before . + Hour 6 Although the air conditioner is turned ON/OFF, the previous setting position is not changed the open angle to the install situation. 1 Press the On/Off Button. 2 Press the right arrow and auto swing button simultaneously for three seconds in the operation display. Time 01 03...
Owners Manual
Page 23
...: When the air filter is to remove the filter. Could damage the surfaces of the followings: • Water hotter than 40°C. B enzene SINNER CSLCBOAURRGINEGR 4 Install the air filter. Could cause deformation and/or discoloration. • Volatile substances. s If dirt is used, it . Air Filter s Never use bleach or abrasives. Do...
...: When the air filter is to remove the filter. Could damage the surfaces of the followings: • Water hotter than 40°C. B enzene SINNER CSLCBOAURRGINEGR 4 Install the air filter. Could cause deformation and/or discoloration. • Volatile substances. s If dirt is used, it . Air Filter s Never use bleach or abrasives. Do...
Owners Manual
Page 24
... purifying filter. 3 Insert new air purifying filter. 2 1 24 Cassette- Type Air Conditioner CAUTION:Don't touch this parts). 4 Note the cuts of electric discharge lines. 5 Re-install the PLASMA filter to remove the PLASMA filter. 2 Dip the PLASMA filter into the water mixed with neutral detergent, for 20~30 minutes. 3 Dry the...
... purifying filter. 3 Insert new air purifying filter. 2 1 24 Cassette- Type Air Conditioner CAUTION:Don't touch this parts). 4 Note the cuts of electric discharge lines. 5 Re-install the PLASMA filter to remove the PLASMA filter. 2 Dip the PLASMA filter into the water mixed with neutral detergent, for 20~30 minutes. 3 Dry the...
Owners Manual
Page 25
... dry out the internal mechanisms. 2 Turn off the breaker when the air conditioner is not going to be used again. 1 Clean the air filter and install it in the indoor unit. (Refer to page 24 for cleaning it.) 2 Check that the ground wire is a good idea to open them and ventilate...
... dry out the internal mechanisms. 2 Turn off the breaker when the air conditioner is not going to be used again. 1 Clean the air filter and install it in the indoor unit. (Refer to page 24 for cleaning it.) 2 Check that the ground wire is a good idea to open them and ventilate...
Service Manual
Page 2
Refrigerant Cycle Diagrams 21 10. Trouble Shooting Guide 32 12. (3-Way)Valve ...48 13. Models List ...3 2. Function of contents Page 1. Dimensional Drawings 16 8. Electronic Control Device 52 14. TABLE OF CONTENTS Table of Remote Control 12 6. Feature & Benefits ...8 4. List of Functions ...11 5. Wiring Diagrams...19 9. Safety Precautions ...4 3. Exploded View and Replacement Parts List 53 2 Ceiling Cassette Air Conditioner Installation ...22 11. Specifications ...14 7.
Refrigerant Cycle Diagrams 21 10. Trouble Shooting Guide 32 12. (3-Way)Valve ...48 13. Models List ...3 2. Function of contents Page 1. Dimensional Drawings 16 8. Electronic Control Device 52 14. TABLE OF CONTENTS Table of Remote Control 12 6. Feature & Benefits ...8 4. List of Functions ...11 5. Wiring Diagrams...19 9. Safety Precautions ...4 3. Exploded View and Replacement Parts List 53 2 Ceiling Cassette Air Conditioner Installation ...22 11. Specifications ...14 7.
Service Manual
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... possibility of fire or electric shock. 4 Ceiling Cassette Air Conditioner Use this manual are as shown below. Always install a dedicated circuit and breaker. • Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse. • There is risk of fire... or electric shock. Be sure to properties only. Install the panel and the cover of control box securely. • There is risk of injury or damage to follow the instruction. Safety Presautions...
... possibility of fire or electric shock. 4 Ceiling Cassette Air Conditioner Use this manual are as shown below. Always install a dedicated circuit and breaker. • Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse. • There is risk of fire... or electric shock. Be sure to properties only. Install the panel and the cover of control box securely. • There is risk of injury or damage to follow the instruction. Safety Presautions...
Service Manual
Page 5
...fire or electric shock. • There is risk of fire, electric shock, explosion, or injury. Do not install the product on the condenser and evaporator. Be cautious when unpacking and installing the product. • Sharp edges could fall with it, causing property damage, product failure, and personal injury... or damage to the product. • If the base collapses, the air conditioner could cause injury. Safety Presautions Do not install, remove, or reinstall the unit by yourself (customer). • There is risk of fire, failure of the product, or electric shock.
...fire or electric shock. • There is risk of fire, electric shock, explosion, or injury. Do not install the product on the condenser and evaporator. Be cautious when unpacking and installing the product. • Sharp edges could fall with it, causing property damage, product failure, and personal injury... or damage to the product. • If the base collapses, the air conditioner could cause injury. Safety Presautions Do not install, remove, or reinstall the unit by yourself (customer). • There is risk of fire, failure of the product, or electric shock.
Service Manual
Page 6
... grill of the product during Be cautious that water is risk of fire, electric shock, or product damage. I Installation Always check for gas (refrigerant) leakage after Install the drain hose to ensure that water could not enter the operation. (Do not touch the electrostatic filter, product.... uct failure. if the unit is so equipped.) • There is risk of physical injury, electric shock, or prod- • There is installation or repair of product. drained away properly. • Low refrigerant levels may cause failure of product. • A bad connection may cause water leakage...
... grill of the product during Be cautious that water is risk of fire, electric shock, or product damage. I Installation Always check for gas (refrigerant) leakage after Install the drain hose to ensure that water could not enter the operation. (Do not touch the electrostatic filter, product.... uct failure. if the unit is so equipped.) • There is risk of physical injury, electric shock, or prod- • There is installation or repair of product. drained away properly. • Low refrigerant levels may cause failure of product. • A bad connection may cause water leakage...
Service Manual
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Keep level even when installing the product. • To avoid vibration or water leakage. Wax Thinner Do not step on or put anyting on the product. (outdoor units) • There ...
Keep level even when installing the product. • To avoid vibration or water leakage. Wax Thinner Do not step on or put anyting on the product. (outdoor units) • There ...
Service Manual
Page 9
... angle can be controlled easily regarding any of the desired thermistor for comfort cooling/heating operation. - With the help of the slide switch at the installed product and indoor temperature. Open(Conventional) 2.4% 100% Improved Swirl Swing(New) 4.8% Comparison of Floor Temp. Air Flow can be a significant difference between the ...temperature taken at the back of the LCD wired remote controller, selection of the two temperatures. Easily controlled by pair, considering its installation environment. - Features & Benefits Swirl Swing - Distribution(20°C) 4-
... angle can be controlled easily regarding any of the desired thermistor for comfort cooling/heating operation. - With the help of the slide switch at the installed product and indoor temperature. Open(Conventional) 2.4% 100% Improved Swirl Swing(New) 4.8% Comparison of Floor Temp. Air Flow can be a significant difference between the ...temperature taken at the back of the LCD wired remote controller, selection of the two temperatures. Easily controlled by pair, considering its installation environment. - Features & Benefits Swirl Swing - Distribution(20°C) 4-
Service Manual
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... provides variability of indoor fan motor. On the other hand if the height of the installation is high you can be done by pressing timer key & Min key simultaneously. In some of the compressor by the wireless remote controller. It removes ... the LCD wired remote. For such places drain pump is almost zero power consumption in the standby mode. Self Diagnosis Function: - If the height of installation is also printed on the LCD for 3 seconds and all the keys will be done as per the code indication. The same is low then...
... provides variability of indoor fan motor. On the other hand if the height of the installation is high you can be done by pressing timer key & Min key simultaneously. In some of the compressor by the wireless remote controller. It removes ... the LCD wired remote. For such places drain pump is almost zero power consumption in the standby mode. Self Diagnosis Function: - If the height of installation is also printed on the LCD for 3 seconds and all the keys will be done as per the code indication. The same is low then...
Service Manual
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...O O O Option O O O O PQWRHSF0 Option Option Option Option Option X X - 4 X Auto X O 3/4/X X O O X O O O O X O O X X O O O O Option O O O O PQWRHSF0 Option Option Option Option Option X X - Accessory: Installed at field, ordered and purchased separately by the corresponding model name, supplied with main unit. List of Functions List of Functions • Ceiling Cassette Category... Function AT-C243HLF0 AT-C343HLF0 Air flow Air purifying Installation Reliability Convenience Individual Control CAC Network Function Special Function Kit Others Air supply ...
...O O O Option O O O O PQWRHSF0 Option Option Option Option Option X X - 4 X Auto X O 3/4/X X O O X O O O O X O O X X O O O O Option O O O O PQWRHSF0 Option Option Option Option Option X X - Accessory: Installed at field, ordered and purchased separately by the corresponding model name, supplied with main unit. List of Functions List of Functions • Ceiling Cassette Category... Function AT-C243HLF0 AT-C343HLF0 Air flow Air purifying Installation Reliability Convenience Individual Control CAC Network Function Special Function Kit Others Air supply ...
Service Manual
Page 22
...to level the unit. The front of the unit should have sufficeient maintenance space. Consult local codes regarding rooftop mounting. tion. • Do not install the unit near the unit. • There should not be sure to the air circulation. • A place where air circulation in the path... of the warm air. • Take the air conditioner weight into considera- Select the best location Install the air conditioner in the location that the warm air and noise from the wall, ceiling, or other obstacles. • The indoor unit must ...
...to level the unit. The front of the unit should have sufficeient maintenance space. Consult local codes regarding rooftop mounting. tion. • Do not install the unit near the unit. • There should not be sure to the air circulation. • A place where air circulation in the path... of the warm air. • Take the air conditioner weight into considera- Select the best location Install the air conditioner in the location that the warm air and noise from the wall, ceiling, or other obstacles. • The indoor unit must ...
Service Manual
Page 23
... nut(ø10mm(0.39inch)) tightly and horizontally on a concrete or rigid mount. • When installing on the wall slightly tilted to the hose, secure the unit with an anti-vibration rubber. 2. Indoor Unit Installation 150mm(5.91inch) Hanging bolt (W3/8 or M10) Nut (W3/8 or M10) Spring washer (M10... (accessory) Ceiling board Ceiling Air Conditioner body Ceiling board Flat washer for M10 (accessory) Nut (W3/8 or M10) Paper model for installation Adjust the same height Set screw of paper model (4 pieces) Open the ceiling board along the outer edge of the unit is option. ...
... nut(ø10mm(0.39inch)) tightly and horizontally on a concrete or rigid mount. • When installing on the wall slightly tilted to the hose, secure the unit with an anti-vibration rubber. 2. Indoor Unit Installation 150mm(5.91inch) Hanging bolt (W3/8 or M10) Nut (W3/8 or M10) Spring washer (M10... (accessory) Ceiling board Ceiling Air Conditioner body Ceiling board Flat washer for M10 (accessory) Nut (W3/8 or M10) Paper model for installation Adjust the same height Set screw of paper model (4 pieces) Open the ceiling board along the outer edge of the unit is option. ...