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INSTALLATION MANUAL

Ceiling Concealed Duct

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.

www.lg.com

Copyright © 2017 - 2020 LG Electronics Inc. All Rights Reserved.

MFL67939925 
Rev.03_112720

ENGLISH

FRANÇAIS

Summary of Contents for ABNW24GM1S1

Page 1: ...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 www lg com Copyright 2017 2020 LG Electronics Inc All Rights Reserved MFL67939925 Rev 03_112720 ENGLISH FRANÇAIS ...

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: ...r death Installation Always perform grounding Otherwise it may cause electrical shock For installation of the product always contact the service center or a professional installation agency Otherwise it may cause a fire electrical shock explosion or injury SAFETY INSTRUCTIONS ENGLISH WARNING This indicates that the failure to follow the instructions can cause serious injury or death CAUTION This i...

Page 4: ... it may cause fire or explosion There is the risk of death injury fire or explosion Consult your local dealer regarding what to do in case of refrigerant leakage When the air conditioner is to be installed in a small room it is necessary to take proper measures so that the amount of any leaked refrigerant does not exceed the concentration limit in the event of a leakage Otherwise this may lead to ...

Page 5: ...l shock and failure Do not allow water to run into electrical parts Otherwise it may cause the failure of machine or electrical shock Never touch the metal parts of the unit when removing the filter They are sharp and may cause injury Do not step on the indoor outdoor unit and do not put anything on it It may cause an injury through dropping of the unit or falling down When the product is submerge...

Page 6: ...Do not install the unit in potentially explosive atmospheres Operation Avoid excessive cooling and perform ventilation sometimes Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may deteriorate change color or develop surface flaws Do not use an appliance for special purposes such as preserving anim...

Page 7: ...LLATION INSTRUCTION 17 Remote controller installation 18 Group control 19 Installer Setting How to enter installer setting mode 20 Installer Setting Test Run Mode 21 Installer Setting Setting Address of Central Control 22 Installer Setting E S P 23 Installer Setting Thermistor 24 Installer Setting Remote Controller Master Slave Setup 25 Installer Setting Celsius Fahrenheit Switching 26 Installer S...

Page 8: ...8 INTRODUCTION ENGLISH Features INTRODUCTION Air inlet vents Air outlet vents Remote Controller ...

Page 9: ...sitional relationship between the unit and suspension bolts Thermal insulator the ceiling opening to clean the filter or service under the product Installation of Unit Install the unit above the ceiling correctly Position of suspension Bolt Apply a joint canvas between the unit and duct to absorb unnecessary vibration Apply a filter Accessory at air return hole CASE 1 INSTALLATION OF INDOOR Top vi...

Page 10: ...for set anchor on the face of ceiling Insert the set anchor and washer onto the suspension bolts for locking the suspension bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers CASE 2 M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 M10 Nut M10 SP washer ...

Page 11: ...ge hole Drainage hole CORRECT INCORRECT 1 100 1 50 Ceiling Drainage hole U Trap B C A 70 mm B 2C C 2 x SP SP External Pressure mmAq Ex External Pressure 10 mmAq A 70 mm B 40 mm C 20 mm A Make sure to be closed Unit Drainage pipe Local supply Thermal insulator Local supply Always lay the drain withdownward inclination 1 100 to 1 50 Prevent any upward flow or reverse flow in any part 10 mm or thicke...

Page 12: ...or unit 1 Remove the air filter 2 Check the drain Spray one or two glasses of water upon the evaporator Ensure that water flows drain hose of indoor unit without any leakage Piping insulation Loosen the flare nut of the indoor unit s piping connection port insert it into the liquid pipe and the gas pipe and then conduct flaring work on the ends of each pipe Insulate each of the liquid pipes and ga...

Page 13: ...d 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 hallway outdoors etc Refrigerant piping dimensions mm EPDM EPDM EPDM EPDM Gas piping 6 35 9 52 12 7 15 88 19 05 22 22 25 40 28 58 31 75 38 1 44 45 19 19 19 19 19 19 19 19 19 25 25 13 13 13 13 13 13 19 19 19 19 19 19 19 19 19 19 19 19 19 19 25 ...

Page 14: ...ewdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal screws may break them CAUTION The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications Rubber insulation type H05RN F approved by HAR or SAA CAUTION 20 mm GN YL NORMFAL CROSS SECTIONAL AREA 1 Phase Model 0 75 mm2 3 Phase Model ...

Page 15: ...se install a wired controller with a mounting box if any properly The installation box shall be type 86 2 The connection cables of the wired controller can be set from two directions Installation direction slotted on the wall surface underside If install a wired control cable from the guide slot below please remove the slot after installation Remove the guide slot with long nose pliers Slotted on ...

Page 16: ... the housing type of the extension cable 5 Please use an extension cable if the distance between the wired remote controller and the indoor unit is longer than 10 m 32 ft 16 INSTALLATION INSTRUCTION ENGLISH Wall Side Wall Side Connecting order Please check if the connectors are connected properly C BOX Cable Plug type Extension cable housing type Indoor Unit side Wall Side Wall Side Separating ord...

Page 17: ...on at an average temperature Do not install the remote controller where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Uncontrolled areas such as an outside wall behind the remote controller This remote controller is equipped with LCD display For proper display of the remote controll...

Page 18: ... 2 remote controllers to one indoor unit with event communication function set the master slave of the remote controller Refer to remote controller master slave selection When controlling the group some functions excluding basic operation setting fan level Min Mid Max remote controller lock setting and time setting may be limited 2 When installing more than 2 wired remote controllers to one air co...

Page 19: ... five seconds 1 When you enter the setting mode Initially Function code is displayed on the LCD screen 2 Installer Setting Code Table General air conditioner product No Function Code Value 1 Test Run 01 01 Set 2 Address Setting 02 00 FF Address ESP Step ESP Value Example 01 VeryLow 0 255 02 Low 3 E S P Value 03 03 Med 04 High 05 Very High 01 Remo 4 Thermistor 04 02 Indoor 03 2TH 01 Med 02 Low 5 Ce...

Page 20: ...wn in the left figure 2 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 3 When approx 18 minutes are elapsed after starting of the test oper mode the system will be stopped automatically and conve...

Page 21: ... 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 Set up the group 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 Group number Indoor unit number If you connect the i...

Page 22: ... Select the desired air flow rate value with the temperature up down button E S P value range 0 255 E S P value will be indicated at the upper right section of the display window 3 When pressing the button currently established E S P value will be set up 4 When pressing the button and button simultaneously for more than 3 seconds after the setting has been completed the setting mode will be releas...

Page 23: ...ring into the installer setting mode select the thermistor sensor setting code value by pressing the button Thermistor 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 s...

Page 24: ...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 Code value Setting value 00 Slave 01 Master Value Remote controller Function Master Indoor unit operates based on ...

Page 25: ...ring into the installer setting mode select the ceiling height setting code value by pressing the oper mode button Celsius Fahrenheit setting code value 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 aft...

Page 26: ...the temperature up down 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 Code value Value 00 use static ...

Page 27: ...acity kBtu h Step CMM Static Pressure mmAq Pa 2 5 25 4 39 5 49 6 59 7 69 8 78 9 88 10 98 11 108 13 127 15 147 Setting Value 32 01 32 02 32 03 32 04 32 05 32 06 32 07 32 08 32 09 32 10 32 11 30 LOW 18 96 102 107 110 114 118 122 125 127 132 134 MID 20 102 110 114 118 121 125 127 130 133 135 137 HIGH 22 110 117 121 124 127 130 133 136 137 138 140 28 74 76 79 82 89 92 94 96 99 102 107 34 78 82 84 89 9...

Page 28: ...1 is based at 230 V According to the fluctuation of voltage air flow rate varies 3 Factory Set External Static Pressure each Model If it is zero static pressure please set value below Maximum value Capacity kBtu h Factory set E S P mmAq Pa 18 24 30 48 50 54 60 6 59 Capacity kBtu h Maximum Value 18 24 115 30 36 120 48 50 54 60 98 NOTE ...

Page 29: ... Setting Off Setting On Default SW3 Group Control Selection of Master or Slave Master Slave Off SW4 Dry Contact Mode Selection of Dry Contact Mode Wired Wireless remote controller Selection of Manual or Auto operation Mode Auto Off SW5 Installation Fan continuous operation Continuous operation Removal Working Off ...

Page 30: ...30 ENGLISH ...

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