ENGLISH LG OWNER'S MANUAL Please read through this manual. It contains valuable information about your air conditioner. This manual may help save time and money by explaining proper product maintenance and preventing improper use. Pay close attention to precautions in order to prevent potential hazards and damage from misuse or improper installation. LG is not responsible for any damages caused by misuse of the product.
Large Duct Type Air Conditioner Owner’s Manual TABLE OF CONTENTS Safety Precautions.........................3 FOR YOUR RECORDS Write the model and serial numbers here: Model # Operating Instructions...................8 Serial # You can find them on a label on the side of each unit. Dealer's Name Care and Maintenance .................17 Before you call for service ..........19 Date Purchased ■ Staple your receipt to this page in the event you need it to prove date of purchase or for warranty issues.
Safety Precautions Safety Precautions This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only. ■ The meanings of the symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. ■ Installation Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit. • There is risk of fire or electric shock.
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. Be cautious when unpacking and installing the product. • Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator. For installation, always contact the dealer or an Authorized Service Center.
Safety Precautions Do not place a heater or other appliances near the power cable. Do not allow water to run into electric parts. • There is risk of fire or electrical shock. • There is risk of fire and electric shock. • 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 prodcut. • There is risk of fire or failure of product. Do not use the product in a tightly closed space for a long time.
Safety Precautions Turn the main power off when cleaning or maintaining the product. • There is risk of electric shock. 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.
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 personal injury. ENGLISH • 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! x Wa Thinner Do not step on or put anyting on the product.
Operating Instructions Operating Instructions Name and Function of Remote Controller Remote Controller AUTO SWING OPERATION SET TEMP Room Temp 1 2ndF Timer FAN SPEED SUB FUNCTION AUTO Heater Preheat JET Defrost Humidify SLo Filter Out door ZONE 1 2 3 4 HI MED LO Time Operation unit No Func Program set On Off Set no.
Operating Instructions Set the Current Time and a day of the Week Press the ' ' button. Hour Each time the button is pressed, the number is changed from 00 to 23. You can set the number of the current hour. AUTO SWING OPERATION SET TEMP Room Temp AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Timer Operation unit 2 Press the ' 03 SUB FUNCTION HI MED LO Hour On Off Set no. Time 01 FAN SPEED Program set 05 07 09 11 13 15 17 19 21 23 ' button.
Operating Instructions Weekly Programming 1 Press the Program button. The remote controller is displayed like a picture. Then ' Program Program set AUTO SWING ', ' OPERATION ' and '01' is blinked. SET TEMP Room Temp 2 Week Press the ' Press Week 03 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Program set 05 07 09 ' button. button repeatedly until desired mode appears. Week Week For example, if you want Thu, press 3 button 4 times. Select the time you want.
Operating Instructions Holiday Setting If Tuesday is a holiday in this week, you may set a holiday. AUTO SWING OPERATION SET TEMP Room Temp Press the Program button. Program Operation unit Program set On Off Set no. Time 01 03 AUTO SWING OPERATION 05 07 Week 2 09 11 13 SET TEMP Room Temp Press the Week button. Select Tuesday.
Operating Instructions Operation Cycle (Heat Pump Model) (Cooling Model) Cooling Mode Cooling Mode Soft Dry Mode Soft Dry Mode Heating Mode Auto Mode Auto Mode Operation Procedure 1st On/Off Button AUTO SWING OPERATION SET TEMP Room Temp 2ndF Timer 2nd SUB FUNCTION AUTO Heater Preheat JET Defrost Humidify SLo Filter Out door ZONE 1 2 3 4 HI MED LO Time Operation unit No Func Program set On Off Set no.
Operating Instructions Operation Mode Press the On/Off Button. 2 Select the desired Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted as shown in the arrow direction.
Operating Instructions For Heat Pump Models only 5 AUTO SWING If the outdoor temperature is too low during the heating operation, this air-conditioner is set to the defrosting operation and the remote controller indicates ‘Defrost’. OPERATION SET TEMP Room Temp Operation unit 03 SUB FUNCTION HI MED LO AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Timer On Off Set no.
Operating Instructions FAN Operation 2 Press the On/Off Button. ENGLISH 1 Press FAN Operation Button. AUTO SWING OPERATION SET TEMP FAN SPEED Room Temp Time Operation unit Timer On Off Set no. Time 01 3 03 SUB FUNCTION AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 HI MED LO Program set 05 07 09 11 13 15 17 19 21 23 Each time Indoor Fan Speed button is pressed, the fan speed mode is shifted as shown below.
Operating Instructions Child Lock Function This is the Function that any children cannot used to the air-conditioner. Operation procedure AUTO SWING OPERATION SET TEMP Room Temp 1 To set the Child-Lock Function Press the Timer button and Minute Set button for three seconds. Then the operation mode shift to child lock mode and it is displayed ‘CL’ in the operation display.
Care and maintenance Care and Maintenance Caution: Before performing any maintenance, turn off the main power to the system. Grille, Case, and Remote Control ❏ Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. Note: Supply power must be disconnected before cleaning the indoor unit. ❏ Never use any of the followings: • Water hotter than 40°C Could cause deformation and/or discoloration.
Care and maintenance When the air conditioner is not going to be used for a long time. When air conditioner is not going to be used for a long time. 1 Operate the air conditioner on Air circulation mode for 2 to 3 hours. • This will dry out the internal parts. 2 Turn off the circuit 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. When the air conditioner is to be used again.
Before you call for service... Before you call for service... Troubleshooting Tips! Save time and money! Case Explanation See page The air conditioner does not operate. • Have you made a mistake in timer operation? • On first starting, the indoor unit operates in fifteen seconds. • Has the fuse blown or has the circuit breaker been tripped? • Check that this is not a damp smell exuded by the walls, carpet, furniture or cloth items in the room.
Memo 20 Large Duct-Type Air Conditioner
P/No.
