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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.

Ceilling Concealed Duct

INSTALLATION MANUAL

AIR

CONDITIONER

P/NO : MFL65003103
Rev.00_020718

http://www.lghvac.com

www.lg.com

Copyright © 2015 - 2018 LG Electronics Inc. All Rights Reserved.

ENGLISH

FRANÇAIS

ESP
AÑOL

Summary of Contents for ARNU073BGA4

Page 1: ...nal wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly Ceilling Concealed Duct INSTALLATION MANUAL AIR CONDITIONER P NO MFL65003103 Rev 00_020718 http www lghvac com www lg com Copyright 2015 2018 LG Electronics Inc All Rights Reserved ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...dded support in a room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to wall and floors in moist or uneven locatinons Use a raised concrete pad or concrete blocks provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration in an area with high winds Securely anchor the outdoor unit down with b...

Page 3: ...7 Features 8 INSTALLATION 8 Selection of the best location 9 Ceiling dimension and hanging bolt location 11 Indoor Unit Installation 11 Wiring Connection 12 Checking the Drainage 14 Plumbing materials and storage methods 18 Drain Piping 19 Dip Switch Setting 20 Group Control Setting 24 E S P Table TABLE OF CONTENTS ...

Page 4: ...rely There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not install remove or re install the unit by yourself customer There is risk of ...

Page 5: ...hen flammable gas leaks turn off the gas and open a window for ventilation before turn the product on Do not use the telephone or turn switches on or off There is risk of explosion or fire If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire Stop operation and close the window in storm or hurricane ...

Page 6: ...duct Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner...

Page 7: ...hock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual Features Low static Duct type High static Duct type Name Quantity Shape for gas pipe for liquid pipe Clamp metal 2 EA Insulation for fitting 1 SET Drain hose 1 EA Clamp Tie Wrap 8 EA Washer for hanging backet 4 EA Other Owner s manual Installati...

Page 8: ... heat source or steam near the unit Read completely then follow step by step Top view 20 25 32 or more Front view 600 23 5 8 600 23 5 8 Front Inspection hole 600 23 5 8 x 600 23 5 8 Control box 1 000 39 3 8 Unit mm inch Installation Selection of the best location CAUTION In case that the unit is installed near the sea the installation parts may be corroded by salt The installation parts and the un...

Page 9: ... 830 186 48 7 13 46 7 13 13 5 8 1 3 4 17 23 32 1 3 16 3 5 8 32 11 16 7 5 16 BR 1 282 1 230 477 56 590 30 120 1 006 294 50 15 32 48 7 16 18 13 16 2 3 13 23 7 32 1 3 16 4 9 13 39 19 32 11 9 16 B8 1 622 1 565 580 292 695 1 400 460 1 122 1 680 390 445 15 63 27 32 61 5 8 22 27 32 11 1 2 27 3 8 55 1 8 18 1 8 44 3 16 66 5 32 15 3 8 17 7 13 5 8 L1 733 772 628 700 36 190 20 660 155 700 28 27 32 30 13 32 24...

Page 10: ...actions Make sure that the ventilation fan for smoke collecting hood on a cooking table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oil steam 2 Avoid installing air conditioner in such circumstances where cutting oil ...

Page 11: ... cables 1 Arrange 2 power cables on the control panel 2 First fasten the steel clamp with a screw to the inner boss of control panel 3 For the cooling model fix the other side of the clamp with a screw strongly For the heat pump model put the AWG18cable thinner cable on the clamp and tighten it with a plastic clamp to the other boss of the control panel A B A B GND 12V DRY2 DRY1 INTERNET IDU SODU ...

Page 12: ...r result in unit malfunction A fire hazzard may also exist Therefore be sure all wiring is tightly connected Conduit Hole Power Supply High Voltage 208 230V Transmission Wired Remote Controller YL RD BK A B L L1 N L2 GN YL Connection method of the connecting cable Example Conduit Hole L L1 N L2 Power Supply High Voltage 208 230V Transmission 3 A 4 B GN YL L1 L2 L3 Series BH BG BR B8 Series Low sta...

Page 13: ...d wiring you must use round pressure terminals 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 For wiring use the designated power wire and connect firmly then secure to prevent outside ...

Page 14: ...not cold and warm Clogging of EEV Capillary Gas shortages Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Countermeas ure No moisture in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Stop plumbing at rainy day Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe entrance sh...

Page 15: ...ld not block the outlet side When the internal pressure in pipe is above the atmospheric pressure pinhole is occurred and it is a leakage cause CAUTION 1 Always use the nitrogen not use oxygen carbon dioxide and a Chevron gas Please use the following nitrogen pressure 0 02MPa Oxygen Promotes oxidative degradation of refrigerant oil Because it is flammable it is strictly prohibited to use Carbon di...

Page 16: ...h local requirement INDOOR UNIT n After all workings are finished check the working and operation Air distribution Is the air circulation good Drain Is the drainage smoothly and no sweating Gas leakage Is the piping connection correctly Wiring Is the wiring connection correctly Lock bolt Is the lock bolt of compressor loosened Insulation Is the unit fully insulated Ground Is the unit safely ground...

Page 17: ... inclination 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 5mm 5 24 inch or thicker formed thermal insulator shall always be provided for the drain pipe CORRECT Install the P Trap or U Trap to prevent a water leakage caused by the blocking of intake air filter Applied U Trap Dimension Drain Pump unuse INCORRECT Drain Pump use Upward routing not allowed CAUTION Ceiling Drain Pum...

Page 18: ... as follows 1 Never fail to have an individual power specialized for the air conditioner As for the method of wiring be guided by the circuit diagram posted on the inside of control box cover 2 Provide a circuit breaker switch between power source and the unit 3 The screws which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is sub...

Page 19: ...ration Removal Off SW6 Heater linkage N A Off SW7 Ventilator linkage Selection of Ventilator linkage Linkage Removal Working Off Vane selection Console Selection of up down side Vane Up side Down side Vane Up side Vane Only Region selection Selection tropical region General model Tropical model SW8 Etc Spare Off 1 Indoor Unit 2 Outdoor Unit In case that the products meet specific conditions Auto a...

Page 20: ... controller 1 It is possible to 16 indoor units Max by one wired remote controller Set only one indoor unit to Master set the others to Slave 2 It is possible to connect with every type of indoor units 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time The Master indoor unit is possible to recogni...

Page 21: ... master and slave h In case of Group Control it is possible to use following functions Selection of operation stop or mode Temperature setting and room temperature check Current time change Control of flow rate High Middle Low Reservation settings It is not possible to use some functions h It is possible to control 16 indoor units Max with the master wired remote control h Other than those it is s...

Page 22: ...AU FAU Standard Standard FAU FAU Fresh Air Intake Unit Standard Standard Indoor Unit h In case of connecting with standard indoor unit and Fresh Air Intake Unit separate Fresh Air Intake Unit with standard units N M 16 Because setting temperature are different h Other than those it is same with Group Control 1 3 Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit ...

Page 23: ...use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time 5 In case that any error occurs at indoor unit the error code is displayed on the wired remote controller 6 There isnʼt limits of indoor unit function 5 Accessories for group control setting It is possible to set group control by using below accessories Indoor unit 2...

Page 24: ...267 6 47 228 95 9 96 352 9 32 329 8 45 298 7 36 260 100 10 87 384 10 22 361 9 36 331 8 27 292 6 96 246 105 11 79 416 11 15 394 10 28 363 9 19 325 7 89 279 6 35 224 110 12 73 450 12 09 427 11 22 396 10 14 358 8 83 312 7 30 258 115 13 69 483 13 05 461 12 18 430 11 09 392 9 78 345 8 25 291 120 14 67 518 14 02 495 13 16 465 12 07 426 10 76 380 9 23 326 125 15 66 553 15 01 530 14 15 500 13 06 461 11 75...

Page 25: ...6 692 17 5 619 14 0 494 11 6 409 6 6 233 120 29 6 1045 28 5 1007 25 8 911 24 0 847 21 8 769 19 8 699 17 9 632 14 6 515 12 1 427 130 33 4 1180 32 5 1148 30 1059 28 5 1006 26 9 951 25 3 893 23 4 826 21 8 769 18 1 639 14 6 515 11 3 399 140 37 3 1318 36 5 1289 36 0 1271 32 1 1133 30 4 1073 29 0 1024 27 4 697 25 9 914 21 6 762 17 8 628 14 5 512 143 38 6 1363 37 4 1320 37 5 1324 33 9 1197 32 1 1133 30 7...

Page 26: ...1 3040 77 0 2719 66 4 2345 50 6 1787 30 0 1059 100 93 4 3298 91 4 3227 88 3 3118 84 9 2998 75 9 2680 69 5 2454 60 8 2147 43 1 1522 105 93 2 3291 91 3 3224 88 3 3118 84 9 2998 81 1 2864 77 4 2733 72 0 2542 68 0 2401 52 0 1836 6 0 23 9 0 35 12 0 47 15 0 59 18 0 71 20 0 79 22 0 86 23 0 90 25 0 98 Static Pressure mmAq in Aq Note 1 The above table shows the correlation between the air rates and E S P 2...

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