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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
MFL68061231
Rev.03_091420
Copyright © 2018 - 2020 LG Electronics Inc. All Rights Reserved.
www.lg.com

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Summary of Contents for LG ABUQ60LM3T1

  • Page 1 Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Please retain this installation manual for future reference after reading it thoroughly. www.lg.com MFL68061231 Rev.03_091420 Copyright © 2018 - 2020 LG Electronics Inc. All Rights Reserved.
  • Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
  • 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 • Do not install the product at a place that there is concern of falling down. - Otherwise, it may result in personal injury. • Use caution when unpacking and installing. Sharp edges may cause injury. • Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened.
  • Page 5 SAFETY INSTRUCTIONS CAUTION Installation • Install the drain hose to ensure that drain can be securely done. - Otherwise, it may cause water leakage. • Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors.
  • Page 6: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENERGY SAFETY INSTRUCTIONS INSTALLATION OF OUTDOOR UNIT Installation Places Piping length and the elevation Night Silent Operation setting WIRING CONNECTION Electrical Wiring Connecting Cables between Indoor Unit and Outdoor Unit Connecting the cable to Outdoor Unit CONNECTING PIPES Preparation of Piping Connecting the pipes to the Outdoor unit...
  • Page 7: Installation Of Outdoor Unit

    INSTALLATION OF OUTDOOR UNIT INSTALLATION OF OUTDOOR UNIT Installation Places - If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not restricted. - Ensure that the spaces indicated by arrows around front, back and side of the unit. - Do not place animals and plants in the path of the warm air.
  • Page 8: Night Silent Operation Setting

    INSTALLATION OF OUTDOOR UNIT Indoor unit Outdoor unit Indoor unit Outdoor unit CAUTION • Capacity is based on standard length and maximum allowance length is on the basis of reliability. • Improper refrigerant charge may result in abnormal cycle. • Pipes and wires should be purchased separately for installation of the product. Night Silent Operation setting - Open the Side panel or Top Cover of outdoor unit.
  • Page 9: Wiring Connection

    WIRING CONNECTION WIRING CONNECTION Electrical Wiring Perform the electrical wiring work according to ELCB the electrical wiring connection. Main - All wiring must comply with local power source Switch box requirements. - Select a power source that is capable of supplying the current required by the air Outdoor conditioner.
  • Page 10 WIRING CONNECTION CAUTION The power cable connected to the outdoor unit should be complied with IEC 60245 or HD 22.4 S4 (This equipment shall be provided with a cable set complying with the national regulation. 10±3 mm 10±3 mm For the 1-Phase For the 3-Phase Capacity (kBtu/h) Phase(Ø)
  • Page 11 WIRING CONNECTION Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block. Power wire Round pressure terminal When none are available, follow the instructions below. - Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power wiring may cause abnormal heat.) - When connecting wiring which is the same thickness, do as shown in the figure below.
  • Page 12: Connecting The Cable To Outdoor Unit

    WIRING CONNECTION Connecting the cable to Outdoor Unit Remove the side panel for wiring connection. Use the cord clamp to fix the cable. Earthing work - Connect the cable of diameter more to the earthing terminal provided in the control box and do earthing.
  • Page 13: Connecting Pipes

    CONNECTING PIPES CONNECTING PIPES Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable - Use the piping kit accessory or the pipes Copper Slanted Uneven Rough purchased locally.
  • Page 14: Connecting The Pipes To The Outdoor Unit

    CONNECTING PIPES Connecting the pipes to the <Figure 1> Outdoor unit Align the center of the piping and sufficiently tighten the flare nut by hand. Finally, tighten the flare nut with torque wrench until the wrench clicks. - When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.
  • Page 15: Forming The Piping

    CONNECTING PIPES CAUTION In cases where the Outdoor unit is installed above the Indoor unit perform the following. Insects or small animals entering the Tape the piping and connecting cable from outdoor unit may cause a short circuit in down to up. the electrical box.
  • Page 16: Leakage Test And Evacuation

    LEAKAGE TEST AND EVACUATION LEAKAGE TEST AND EVACUATION CAUTION Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. To avoid nitrogen entering the refrigerant system in a liquid state, the top of the - Pressure in the system rises. cylinder must be higher than its bottom - Operating current rises.
  • Page 17: Evacuation

    LEAKAGE TEST AND EVACUATION Evacuation - Replace the valve caps at both gas and liquid side service valves and fasten them tight. - Connect the charge hose end described in This completes air purging with a vacuum pump. the preceding steps to the vacuum pump to The air conditioner is now ready to test run.
  • Page 18: Test Running

    TEST RUNNING TEST RUNNING Precautions In Test Running - The initial power supply must provide at least 90 % of the rated voltage. Otherwise, the air conditioner should not be operated. CAUTION For test run, carry out the cooling operation firstly even during heating season. If heating operation is carried out firstly, it leads to the trouble of compressor.
  • Page 19 TEST RUNNING CAUTION After the confirmation of the above conditions, prepare the wiring as follows: Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover.
  • Page 20: Function

    FUNCTION FUNCTION Forced Cooling Operation Adding the refrigerant in winter. Setting Procedure - Set the DIP Switch as follow after shutting the power source down. 24(27) K, 30 K, 36(38) K 48(53) K, 54(57/60) K - Reset the power. - Red LED and Green LED of PCB lights during work. (The indoor unit is operated by force.) - If operation is done, Red LED will be turned off.
  • Page 21: Self-Diagnosis Function

    SELF-DIAGNOSIS FUNCTION SELF-DIAGNOSIS FUNCTION Error Indicator (Outdoor) 2 Times 2 Times 2 Times LED1 (RED) (RED) 1 Seconds 1 Seconds 1 Seconds 1 Time 1 Time 1 Time 1 Second 2.5 Seconds 1 Second 2.5 Seconds 1 Second LED2 (GREEN) 2 Seconds 2 Seconds Outdoor Error...
  • Page 22 SELF-DIAGNOSIS FUNCTION (Red) (Green) Indoor Error Code Description status LED 1 LED 2 (Red) (Green) 2 times ◑ 1 time ◑ DC Peak(IPM Fault) 2 times ◑ 2 times ◑ Max. CT(CT2) 2 times ◑ 3 times ◑ DC Link Low Volt. 2 times ◑...
  • Page 23: Installation Guide At The Seaside

    INSTALLATION GUIDE AT THE SEASIDE INSTALLATION GUIDE AT THE SEASIDE CAUTION In case, to install the outdoor unit on the seaside, set up a windbreak not to be exposed to the sea wind. • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced.

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