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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.

ENGLISH

P/NO: 

MFL67939944

 

www.lg.com

 

Copyright © 20

20

 LG Electronics Inc. All Rights Reserved

Summary of Contents for ABNW24GM1E4

Page 1: ... 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 ENGLISH P NO MFL67939944 www lg com Copyright 2020 LG Electronics Inc All Rights Reserved ...

Page 2: ... 16 17 18 19 20 21 23 Remote controller installation Group control Installer Setting How to Enter Setting Mode Installer Setting Central Control Address Setting Installer Installer Setting Wired Controller Master Slave Setting Installer Setting Static Pressure Step Setting Installer Setting Static Pressure Setting Installer Setting E S P Installer Setting Thermistor Installer Setting Test Run Mode...

Page 3: ...condi tioner 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 c...

Page 4: ...nit are not attached securely it could result in a fire or electric shock due to dust water etc Always install an earth leakage circuit 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 t...

Page 5: ... put anything on it It may cause an injury through dropping of the unit or falling down 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 Installation Install the drain hose to ensure that drai...

Page 6: ...Remote Controller Air inlet vents Air outlet vents INTRODUCTION Features ENGLISH 6 INTODUCTION ...

Page 7: ... 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 view Unit mm Front view Unit mm Front Inspection hole 600 x 600 Control box 1000 60...

Page 8: ...ling 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 an chor firmly Secure the installation plates onto the sus pension 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 M10 washer X 4 X 4 Local supply...

Page 9: ...ressure 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 withdownw ard inclination 1 100 to 1 50 Prevent any upward flow or reverse flow in any part 10 mm or thicker formed thermal insulator shall always be provided for the drain pipe Install the P Trap or U Trap to prevent a water leakage caused by the blo...

Page 10: ...he drain raising pipes at a right angle to the indoor unit and no more than 300 mm from the unit Thermal insulator material Polyethylene foam with thickness more than 8 mm Drain test Connect the main drain pipe to the exterior and leave it provisionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage When the test is complete connect the flexi ...

Page 11: ...d 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 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 1...

Page 12: ...he connecting cable connected to the indoor and outdoor unit should be com plied with the following specifications Rubber insulation type H05RN F ap proved by HAR or SAA If the supply cable is damaged it must be replaced by a special cable or assem bly available from the manufacturer of its service agent When the connection line between the indoor unit and out dooor unit and outdoor unit is over 4...

Page 13: ...f any properly The installation box shall be type 86 Installation box 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 plier Slotted on the wall surface Underside ...

Page 14: ...d the housing type of the exten sion cable 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 order CAUTION Specification of LG supplied extension cable AWG 22 3 core shielded Model PZCWRC1 Apply enclosed noncombustible con duit metal raceway totally or use FT ...

Page 15: ... small head will strip the head and make proper tightening impossible Over tightening the terminal screws may break wires and terminal block structure YELLOW RED BLACK Signal 12 V GND Remote controller PCB Indoor unit side Remote controller PCB Terminal block Remark Indoor Ter minal block Function YELLOW YL Signal RED RD 12 V BLACK BK GND Remote controller Indoor Terminal Block 15 INSTALLATION INS...

Page 16: ... 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 controller LCD s the remote controll...

Page 17: ...indoor unit with event communica tion function set the master slave of the remote controller Refer to remote con troller master slave selection When controlling the group some func tions 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 conditioner please connect a...

Page 18: ...ventional air conditioning products Value Code Function Code Value 1 Trial run 01 01 Settings 2 Address settings 02 00 FF Address 3 E S P settings 03 Setting Setting value Example 01 Ultra low 0 255 02 Low 03 Medium 04 High 05 Ultra high 4 Temperature sensor 04 01 Wired controller sense 02 Indoor unit sense 03 Double sense 5 6 Static pressure settings 06 01 Variable high static pressure 02 Fixed h...

Page 19: ...to exit the address setting mode If there is no key input within 25 seconds the system will also exit the manual setting mode automatically Note If the central controller locks the wired controller HL is displayed on the latter When the central controller is locked the wired controller which displays HL cannot control the indoor unit Group code Indoor unit code If the indoor unit and the central c...

Page 20: ...etting value 4After the setting is completed pressing the key and key simultaneously for more than 3 seconds can exit the manual setting mode of the system If there is no key input within 25 seconds the system will exit the manual setting mode automatically Code value Value Setting value 00 Slave 01 Master Wired controller Function Master In group control the indoor unit runs based on the master w...

Page 21: ... the required pressure value by using the temperature adjustment keys up and down 00 Use static pressure value set in setup mode 06 01 11 Use static pressure value set in setup mode 32 3Press to save the setting 4Press the key and key simultaneously for more than 3 seconds in the setting mode the system will automatically exit the manual setting mode If there is no key input within 25 seconds the ...

Page 22: ...essure value by temperature keys up and down 3Press to save the setting 4Press the key and key simultaneously for more than 3 seconds in the setting mode the system will automatically exit the manual setting mode If there is no key input within 25 seconds the system will also exit the manual setting mode Code value Setting value Setting value 01 V H 02 F H 03 V L 04 F L Pressure selection Function...

Page 23: ...uence and circularly 3Adjust the desired air volume with the temperature adjustment buttons up and down E S P range value 0 255 The static pressure value will be shown in the display window 4Press the key to save the E S P value setting 5After the setting is completed press the key and key simultaneously for more than 3 seconds to exit the manual setting mode of system If there is no key input wit...

Page 24: ...ent key to set code value of the temperature sensor up and down 3Press the key to save the setting value 4Press the key and key simultaneously for more than 3 seconds in the setting state to exit the manual setting mode If there is no key input within 25 seconds the system will also exit the manual setting mode The function setting method is slightly different for various products Please refer to ...

Page 25: ... setting is completed pressing the key and key simultaneously for more than 3 seconds can exit the manual setting mode If there is no key input signal for more than 25 seconds it will also exit the manual setting mode 4After 18 minutes trial run the system will automatically stop running and switch to standby mode The trial run mode will be forced to exit if pressing any key during running What is...

Page 26: ...de value of Celsius setting 17 2Select the desired setting value with the temperature key 3Pressing the key can save the determined Celsius setting 4After the setting is completed pressing the key and key simultaneously for more than 3 seconds can exit the manual setting mode of the system If there is no key input within 25 seconds the system will also exit the manual setting mode Code value Value...

Page 27: ... 99 Step CMM Static Pressure mmAq Pa 4 39 5 49 6 59 7 68 8 78 9 88 10 98 11 108 12 118 Setting Value 32 01 32 02 32 03 32 04 32 05 32 06 32 07 32 08 32 09 HIGH 40 83 89 92 94 98 100 102 105 108 MID 34 78 82 84 89 94 96 98 101 104 LOW 28 74 76 79 82 89 92 94 96 99 Step CMM Static Pressure mmAq Pa 2 20 2 5 25 3 29 4 39 5 49 6 59 7 69 8 78 9 88 10 98 Setting Value 32 01 32 02 32 03 32 04 32 05 32 06 ...

Page 28: ... 14 5 76 77 85 91 97 107 114 121 125 128 131 LOW 13 73 74 77 88 93 103 111 117 120 125 128 HIGH 18 90 92 95 99 108 115 122 129 132 135 138 MID 16 5 85 87 90 94 103 111 118 125 128 131 134 LOW 14 5 76 77 85 89 97 106 114 121 124 127 130 32 01 32 02 32 03 32 04 32 05 32 06 32 07 32 08 32 09 32 10 32 11 Capacity Phase 18k 1Ф 24k 1Ф 60k 54k 1Ф 60k 54k 3Ф 48k 1Ф 42k 1Ф 36k 1Ф 30k 1Ф 18k 1Ф 24k 1Ф Capac...

Page 29: ...static pressure please set value below Maximum value Maximum Value 98 98 98 98 115 72 115 60k 54k 1Ф 60k 54k 3Ф 48k 1Ф 42k 1Ф 36k 1Ф 30k 1Ф 18k 1Ф 24k 1Ф Capacity Phase Heating Cooling ENGLISH INSTALLATION INSTRUCTION 29 ...

Page 30: ...69 8 78 9 88 10 98 Setting Value 32 01 32 02 32 03 32 04 32 05 32 06 32 07 32 08 32 09 32 10 HIGH 32 88 90 96 100 104 108 112 116 119 MID 28 80 83 90 94 98 103 108 112 115 LOW 24 74 76 82 88 94 99 104 108 111 92 85 78 Model NOTE 1 Be sure to set the value refering table 1 Unexpected set value will cause mal function 2 Table 1 is based at 230V According to the fluctuation of voltage air flow rate v...

Page 31: ...2 05 32 06 32 07 32 08 32 09 HIGH 40 83 89 92 94 98 100 102 105 108 MID 34 78 82 84 89 94 96 98 101 104 LOW 28 74 76 79 82 89 92 94 96 99 Step CMM Static Pressure mmAq Pa 2 20 2 5 25 3 29 4 39 5 49 6 59 7 69 8 78 9 88 10 98 Setting Value 32 01 32 02 32 03 32 04 32 05 32 06 32 07 32 08 32 09 32 10 HIGH 32 66 71 69 76 80 84 86 89 94 98 MID 28 62 67 65 72 76 80 82 85 94 90 LOW 24 58 61 63 68 72 76 78...

Page 32: ...04 32 05 32 06 32 07 32 08 32 09 32 10 32 11 Capacity Phase 18k 1Ф 24k 1Ф 32 INSTALLATION INSTRUCTION ENGLISH NOTE 1 Be sure to set the value refering table 1 Unexpected set value will cause mal function 2 Table 1 is based at 230V According to the fluctuation of voltage air flow rate varies 3 Factory Set External Static Pressure each Model Factory set E S P mmAq Pa Lower Limit E S P mmAq Pa Upper ...

Page 33: ...INSTRUCTION 33 ENGLISH DIP SWITCH SETTING Indoor PCB Indoor PCB Indoor PCB Function Description 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 Re moval W...

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