LG MU3M21.UE0R0 User Manual

P/NO : 3828A20567Twww.lg.comINSTALLATION MANUALAIR CONDITIONER • Please read this installation manual completely before installing the product.• Insta

10 Multi Air ConditionerInstallation of Indoor, Outdoor UnitPreparing work for Installation (ART COOL Type Only)Open panel front1. First, push the fro

Installation Manual 11ENGLISHInstallation of Indoor, Outdoor Unit• Drill the piping hole with a Ø65mm holecore drill. Drill the piping hole at either

12 Multi Air ConditionerFlaring Work and Connection of PipingFlaring workMain cause for gas leakage is due to defect in flaring work. Carry out correc

Installation Manual 13ENGLISHFlaring Work and Connection of PipingInstall the remote control box and cord correctly.• Although the room temperature s

14 Multi Air ConditionerFlaring Work and Connection of Piping• Since the room temperature sensor is in the remote controller, the remote controller bo

Flaring Work and Connection of Piping Installation Manual 15ENGLISHCheck1. Compare the flared work with figure below.2. If flare is noted to be def

16 Multi Air ConditionerFlaring Work and Connection of PipingIndoor unit installation1. Hook the indoor unit onto the upper portion ofthe installation

Flaring Work and Connection of Piping Installation Manual 17ENGLISH3. Bundle the piping and drain hose together bywrapping them with vinyl tape ove

18 Multi Air ConditionerFlaring Work and Connection of Piping• For the units with capacity more than 48 kBtu/h,the installation piping is connectable

Flaring Work and Connection of Piping Installation Manual 19ENGLISHFacing upwardsViewed from point Ain direction of arrowHorizontalplaneGas PipeMod

2 Multi Air ConditionerMulti Type Air Conditioner Installation ManualCONTENTSInstallation Parts Provided...3Safe

20 Multi Air ConditionerFlaring Work and Connection of PipingInstallation• This unit may be installed suspended from the ceiling or mounted on the wal

Flaring Work and Connection of Piping Installation Manual 21ENGLISH: • This unit has two different installation types:(1) Ceiling-suspended type

22 Multi Air ConditionerConnecting the Cable between Indoor Unit and Outdoor UnitConnecting the Cable between Indoor Unit and Outdoor UnitConnect the

Connecting the Cable between Indoor Unit and Outdoor UnitInstallation Manual 23ENGLISHConnect the cable to the Outdoor unit.1. Remove the cover contr

24 Multi Air ConditionerConnecting the Cable between Indoor Unit and Outdoor Unit(1) Remove the control cover. Loosen the twoscrews, and slide the cov

Checking the Drainage, Forming the Pipings and Long Pipe SettingInstallation Manual 25ENGLISHChecking the Drainage, Forming the Pipings and Long Pipe

26 Multi Air ConditionerChecking the Drainage, Forming the Pipings and Long Pipe SettingForming the pipingForm the piping by wrapping theconnecting po

Checking the Drainage, Forming the Pipings and Long Pipe Setting Installation Manual 27ENGLISHLong Pipe Setting1. Open the top cover of outdoor uni

28 Multi Air ConditionerAir Purging and EvacuationAir Purging and EvacuationAir and moisture remaining in the refrigerant system have undesirable effe

Air Purging and EvacuationInstallation Manual 29ENGLISH1. Connect the charge hose end described in thepreceding steps to the vacuum pump toevacuate t

Installation Parts Provided Installation Manual 3ENGLISHInstallation Parts Provided Installation plateType "B" screwsType "A"

30 Multi Air ConditionerPanel Front Assembly Panel Front Assembly (ART COOL type Only)1. First, Check the side coverassembly exactly, Fix power cord

Installation PI485 Installation Manual 31ENGLISHInstallation PI485• Fix the PI485 PCB as shown in Fig.Detailed installation method refer to PI485 I

32 Multi Air ConditionerInstallation PI485 27kBtu/h30kBtu/h1Ø : 40kBtu/h, 48kBtu/h, 56kBtu/h3Ø : 42kBtu/h, 48kBtu/h, 54kBtu/h

Installation Manual 33ENGLISHTest Running Test Running1. Check that all tubing and wiring have been properly connected.2. Check that the gas and li

34 Multi Air ConditionerMax Combination Capacity Max Combination CapacityMulti Piping Type14 2 5,7,9,12 2216 2 5,7,9,12 2418 3 5,7,9,12,18 3021 3 5,

Installation Manual 35ENGLISHInstallation guide at the seasideInstallation guide at the seasideSeasonal wind and cautions in winter1. Air conditioner

36 Multi Air Conditioner

4 Multi Air ConditionerDo not disassemble or repair the product. • Contact your dealer or service center.Always earth the product.• It will cause fire

Installation Manual 5ENGLISHSafety Precautions Do not put the heater, etc. near the powercable.• Otherwise, it may cause fire and electric shock.Co

6 Multi Air ConditionerInstallation of Indoor, Outdoor UnitInstallation of Indoor, Outdoor UnitRead completely, then follow step by step.Indoor unit1.

Installation of Indoor, Outdoor Unit Installation Manual 7ENGLISHThe wall you select should be strong andsolid enough to prevent vibration1. Mount

Installation of Indoor, Outdoor Unit8 Multi Air Conditionerh2h1h1AABranch PipeMain PipeDistributorDistributorBBh2Multi Piping Type Distributor TypeMul

Installation of Indoor, Outdoor Unit Installation Manual 9ENGLISH14/16 7.5 20 30 2018 7.5 25 40 2021 7.5 25 70 2024/27 7.5 25 70 2030 7.5 25 75