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OWNER'S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
CONSOLE
www.lghvac.com
www.lg.com
MFL67870345
Rev.01_061120
Copyright © 2020 LG Electronics Inc. All Rights Reserved.

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Summary of Contents for LG LQN120HV4

  • Page 1 OWNER’S MANUAL CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. CONSOLE www.lghvac.com www.lg.com MFL67870345 Rev.01_061120 Copyright © 2020 LG Electronics Inc. All Rights Reserved.
  • Page 2 Table of contents TABLE OF CONTENTS Safety Instructions Electrical Safety Temporary Use of an Adapter Temporary Use of an Extension Cord Product Introduction Indoor Unit Operation Indication Lamps Preparation Before Operation How to insert the Batteries Wireless Remote Controller Maintenance Operating Method Wireless Remote Controller Setting the Current Time...
  • Page 3: Safety Instructions

    Safety Instructions Safety Instructions The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. This symbol is displayed to indicate matters and operations that can cause risk. Read the part with this symbol carefully and follow the instructions in order to avoid risk.
  • Page 4 Safety Instructions • When installing the unit, use the installation kit provided with the product. - Otherwise the unit may fall and cause severe injury. • Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment. - The use of inappropriate parts can cause an electrical shock, excessive heat generation or fire.
  • Page 5 Safety Instructions CAUTION • Two or more people must lift and transport the product. - Avoid personal injury. • Do not install the product where it will be exposed to sea wind (salt spray) directly. - It may cause corrosion on the product. •...
  • Page 6 - Children should be supervised to ensure that they do not play with the appliance. • The Limited Warranty is void and of no effect, and LG will have no liability hereunder to any Customer or third party, to the extent any of the following occur: acts, omissions, and conduct of any and all third parties including, but not limited to, the installing contractor and any repairs, service or maintenance by unauthorized or unqualified persons.
  • Page 7: Electrical Safety

    Electrical Safety Electrical Safety WARNING • This appliance must be properly grounded. There is a risk of electric shock. • Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded through the house wiring.
  • Page 8: Product Introduction

    Product Introduction Product Introduction Indoor Unit Air filter Signal receiver Operation lamp Air purifier lamp ON/OFF button Air outlet Air inlet Operation Indication Lamps • Operation lamp : 'Blue' lights up during Cooling / Healthy Dehumidification / Air Circulation Operation. 'Red' lights up during Heating Operation.
  • Page 9: Preparation Before Operation

    Preparation Before Operation Preparation Before Operation How to insert the Batteries 1. Remove the battery cover by pulling it according to the arrow direction. 2. Insert new batteries making sure that the (+) and (-) of battery are installed correctly. 3.
  • Page 10: Wireless Remote Controller

    Preparation Before Operation Wireless Remote Controller VANE ANGLE Button Used to set each vane angle. FUNCTION SETTING Button Used to set or clear Auto Clean, Smart Clean, Electric heater or Individual vane angle control. ON/OFF Button Used to turn on/off the unit. JET MODE Button JET MODE sets the fan to operate at a super high speed.
  • Page 11: Setting The Current Time

    Preparation Before Operation Setting the Current Time 1. Press the SET / CLEAN button for 3 seconds. 2. Press TIME SETTING buttons until the desired time is set. (If you press down the button for a long time, it will change quickly in the units of 10 min.) 3.
  • Page 12: Operation Mode

    Operating Instructions Operating Instructions Operation Mode Press the ON/OFF button to turn the unit on. The unit will respond with a beep. Open the cover 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. Auto Operation or Healthy Heating...
  • Page 13: Auto Changeover Operation (Single Model Only)

    Operating Instructions Auto Changeover Operation (Single Model Only) This operation is basically heating or cooling function of the air conditioner. But during this operation the controller changes the operation mode automatically to keep the temperature within ±2℃(4℉) with respect to the setting temperature. Auto Operation This operations automatically selects cooling mode or heating mode based on the room temperature.
  • Page 14: Air Circulation Operation

    Operating Instructions Air Circulation Operation This operation circulates the air without cooling or heating. It can be activated by pressing the OPERATION MODE SELECTION button. Once the air circulation is activated you can select the fan speed by pressing the FAN SPEED button. NOTE : During this operation, Operation lamp 'Blue' lights up.
  • Page 15: To Cancel The Timer Setting

    Operating Instructions Timer Setting 1. Press ON or OFF button. 2. Press Time Setting buttons until the desired time is set. 3. Press the Set/Clear button. To cancel the timer setting • If you wish to cancel all timer setting, press the Set/clear button. •...
  • Page 16: Upper Horizontal Vane Control

    Operating Instructions Upper Horizontal Vane Control The Upper Horizontal Vane can be adjusted by using the remote controller. 1. Press the ON/OFF button to start the unit. 2. Press the UPPER HORIZONTAL VANE CONTROL button. Each time the button is pressed, the air-flow direction is changed in the direction of the arrow.
  • Page 17: Forced Operation

    Operating Instructions Jet Mode Operation The unit will operate in super high fan speed in jet mode. To cancel the JET Mode press the JET Mode button or the FAN SPEED button MODE or the room temperature setting button again and the unit will operate in high fan speed in heating mode.
  • Page 18: Auto Restart Function

    Operating Instructions Auto Restart Function This function is useful in the situation of power failure. When power regains after a failure this feature restore the previous operating condition and the air conditioner will run in the same settings. Filter Sign •...
  • Page 19: Maintenance And Service

    Maintenance and Service Maintenance and Service CAUTION Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker. Indoor Unit Clean the unit with a soft dry cloth. Do not use bleach or abrasives. CAUTION Never use any of these: •...
  • Page 20: Outdoor Unit

    Maintenance and Service Outdoor Unit The heat exchanger coils and panel vents of the outdoor unit should be checked regularly. If clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned. NOTE Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs. Operation Tips! •...
  • Page 21: Troubleshooting Tips! Save Time And Money

    Maintenance and Service Troubleshooting Tips! Save time and money! The air conditioner may be operating abnormally when: Problem Possible Causes What To Do n The fuse is blown/circuit • Check the house fuse/circuit breaker box and replace the fuse or reset the breaker. breaker is tripped.
  • Page 22: Warranty (U.s.a.)

    Notice of Dispute. In the event you intend to commence an arbitration proceeding, you must first notify LG in writing at least 30 days in advance of initiating the arbitration by sending a letter to LG at LG Electronics, USA, Inc. Attn: Legal Department- Arbitration 111 Sylvan Avenue, Englewood Cliffs, NJ 07632.
  • Page 23 Opt Out. You may opt out of this dispute resolution procedure. If you opt out, neither you nor LG can require the other to participate in an arbitration proceeding. To opt out, you must send notice to LG no later than 30 calendar days from the date of the first consumer purchaser’s purchase of the...
  • Page 24: Warranty (Canada)

    If you and LG are unable to resolve the dispute within 30 days of LG’s receipt of the Notice of Dispute, the dispute shall be resolved by binding arbitration in accordance with the procedure set out herein.
  • Page 25 Limited Warranty. Opt Out. You may opt out of this dispute resolution procedure. If you opt out, neither you nor LG can require the other to participate in an arbitration proceeding. To opt out, you must send notice to LG no later than 30 calendar days from the date of the first consumer purchaser’s purchase of the...
  • Page 26 In the event that you “Opt Out”, the law of the province or territory of your residence shall govern this Limited Warranty and any disputes between you and LG except to the extent that such law is preempted by or inconsistent with applicable federal or provincial/territorial law. Should arbitration...
  • Page 27 Please call the installing contractor of your product, as warranty service will be provided by them. Service call Number # : (888) LG Canada, (888) 542-2623 CANADA Numéro pour les appels de service : LG Canada, 1-888-542-2623...

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