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INSTALLATION MANUAL

Ceiling Concealed Duct

AIR

CONDITIONER

www.lg.com

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.

MFL67939920

Rev.03_112719

Copyright © 2016 - 2019 LG Electronics Inc. All Rights Reserved.

ENGLISH

ESP

AÑOL

POR

TUGUÊS

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Summary of Contents for ABNW18GM1S1

Page 1: ...alling 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 MFL67939920 Rev 03_112719 Copyright 2016 2019 LG Electronics Inc All Rights Reserved ENGLISH ESPAÑOL PORTUGUÊS ...

Page 2: ...conditioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You ca...

Page 3: ...t water etc Always install an air leakage breaker and a dedicated switching board No installation may cause a fire and electrical shock Do not keep or use flammable gases or combustibles near the air conditioner Otherwise it may cause a fire or the failure of product Ensure that an installation frame of the outdoor unit is not damaged due to use for a long time It may cause injury or an accident D...

Page 4: ...ropping of the unit or falling down Do not place a heavy object on the power cord Otherwise it may cause a fire or electrical shock When the product is submerged into water always contact the service center Otherwise it may cause a fire or electrical shock Take care so that children may not step on the outdoor unit Otherwise children may be seriously injured due to falling down CAUTION Installatio...

Page 5: ... 11 Wiring Connection 12 REMOTE CONTROLLER INSTALLATION 13 Group Control 15 OPTIONAL OPERATION Accessory 15 Installer Setting Test Run Mode 16 Installer Setting Setting Address of Central Control 17 Installer Setting Thermistor 18 Installer Setting Remote Controller Master Slave Setup 19 Installer Setting Celsius Fahrenheit Switching 20 Installer Setting E S P 21 Installer Setting Static Pressure ...

Page 6: ...ilter Accessory at air return hole Ceiling Concealed Duct Mid static pressure CASE 1 Selection of the best location Install the air conditioner in the location that satisfies the following conditions The place shall easily bear a load exceeding four times the indoor unit s weight The place shall be able to inspect the unit as the figure The place where the unit shall be leveled The place shall eas...

Page 7: ...mark the position for fixing bolts Drill the hole for set anchor on the face of ceiling M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 Drainage hole A B C D G E F Inspection Port Indoor Unit Ceiling Canvas Duct Air Intake Port Ceiling Board Ceiling Board Air Discharge Port Discharge Flexible Duct Intake Duct body filter Joint can...

Page 8: ...w in any part 10 mm or thicker formed thermal insulator shall always be provided for the drain pipe Upward routing not allowed Install the P Trap or U Trap to prevent a water leakage caused by the blocking of intake air filter Ceiling Ceiling 1 100 1 50 Drain hole Drain pump unuse Drain pump use Drain hole Install declination of the indoor unit is very important for the drain of the duct type air ...

Page 9: ...er upon the evaporator Ensure that water flows drain hose of indoor unit without any leakage Air outlet vents Air filters Indoor Unit Drain Piping Drain piping must have down slope 1 50 to 1 100 be sure not to provide up and down slope to prevent reversal flow During drain piping connection be careful not to exert extra force on the drain port on the indoor unit The outside diameter of the drain c...

Page 10: ... piping sold separately Band Have them overlap Adhere so that there are no gaps applies to Insulation material standard mm besides normal conditions for residential use Insulation material standard mm residential Insulation material standard mm unfavorable conditions If installed in an air conditioned place CASE 1 ex bedroom living room etc If installed in a non air conditioned place CASE 2 ex hal...

Page 11: ...fferent 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 20 mm GN YL NORMAL CROSS SECTIONAL AREA 1 Phase Model 0 75 mm2 3 Phase Model 1 mm2 Round pressure terminal Power wiring Wiring Connection Open the control box cover and connect the Remote controller wiring and Indoor po...

Page 12: ...t guide groove Since the room temperature sensor is in the remote controller the remote controller box should be installed in a place away from direct sunlight high humidity and direct supply of cold air to maintain proper space temperature Install the remote controller about 5 ft 1 5 m above the floor in an area with good air circulation at an average temperature Do not install the remote control...

Page 13: ...up board by pressing lower part Please connect not to make a gap at the remote controller and setup board s upper and lower right and left part When separating remote controller from setup board as the picture below after inserting into the lower separating hole using screw driver and then spinning clockwise remote controller is separated There are two separating holes Please individually separate...

Page 14: ...tting and time setting may be limited 3 When installing more than 2 wired remote controllers to one air conditioner please connect as the right picture When installing more than 2 units of wired remote controller to one air conditioner set one wired remote controller as master and the others all as slaves as shown in the right picture You cannot control the group as shown in the right for some pro...

Page 15: ...n t any button input for more than 25 seconds the installer setting mode will also be released 3 When approx 18 minutes are elapsed after starting of the test oper mode the system will be stopped automatically and converted to the standby state If any button is inputted during the test run mode the test run mode will be forced to be released 4 OPER MODE OPER MODE OPER MODE OPER MODE What is the te...

Page 16: ...number and indoor unit with the temperature adjustment buttons For example when setting as Group number 2 Indoor number 3 it will be displayed as shown in the left figure 2 OPER MODE OPER MODE TEMP Group number Indoor unit number OPER MODE If you connect the indoor unit to the central controller you should set the network address of the indoor unit so that the central controller could recognize it...

Page 17: ...sensor selection code value 04 1 Select the desired setting value with the temperature up down button 2 When pressing the button currently established thermistor sensor location will be set up 3 When pressing the button and button simultaneously for more than 3 seconds after the setting has been completed the setting mode will be released If there isn t any button input for more than 25 seconds th...

Page 18: ... completed the setting mode will be released If there isn t any button input for more than 25 seconds the installer setting mode will also be released 4 OPER MODE Code value Setting value 00 Slave 01 Master OPER MODE Value Remote controller Function Master Indoor unit operates based on master remote controller at group control Master is set when delivering from the warehouse Slave Setup all remote...

Page 19: ...e 12 1 Select the desired setting value with the temperature up down button 2 When pressing button currently established celsius Fahrenheit setting value will be set up 3 When pressing the button and button simultaneously for more than 3 seconds after the setting has been completed the setting mode will be released If there isn t any button input for more than 25 seconds the installer setting mode...

Page 20: ...ly for more than 3 seconds after the setting has been completed the setting mode will be released If there isn t any button input for more than 25 seconds the installer setting mode will also be released 5 OPER MODE OPER MODE FAN SPEED FAN SPEED OPER MODE Precaution shall be taken not to alter the E S P value corresponded to each air flow section E S P value can be varied according to the products...

Page 21: ...ture up s down t button 2 When pressing button currently established static pressure value will be set up 3 When pressing the button and button simultaneously for more than 3 seconds after the setting has been completed the setting mode will be released If there isn t any button input for more than 25 seconds the installer setting mode will also be released 4 OPER MODE OPER MODE Code value OPER MO...

Page 22: ...CMM Static Pressure mmAq Pa 4 39 5 49 6 59 7 69 8 78 9 88 10 98 11 108 12 118 13 127 15 147 Setting Value 32 01 00 32 02 00 32 03 00 32 04 00 32 05 00 32 06 00 32 07 00 32 08 00 32 09 00 32 10 00 32 11 00 36 k LOW 24 88 91 95 100 101 108 113 115 118 121 128 MID 28 93 97 101 105 108 115 118 120 124 127 134 HIGH 32 101 105 109 112 115 119 123 126 128 133 137 48 k 50 k LOW 28 74 76 79 82 89 92 94 96 ...

Page 23: ...ndoor PCB 01 Indoor Room sensor error 0 1 time OFF 02 Indoor in pipe sensor error 0 2 times OFF 03 Remote controller error 0 3 times OFF 04 Drain pump error 0 4 times OFF 05 Communication error indoor and outdoor 0 5 times OFF 06 Indoor out pipe sensor error 0 6 times OFF 09 EEPROM error indoor 0 9 times OFF 10 BLDC motor fan lock indoor 1 time 0 OFF Error Code Description LED 1 Red LED 2 Green In...

Page 24: ...24 ENGLISH ...

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