LG Multi-F User Manual Page 1

P/NO : MFL68883805INSTALLATION MANUALAIRCONDITIONERwww.lg.com[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared S

10INSTALLATION OF INDOOR, OUTDOOR UNITENGLISHFixing Installation PlateThe wall you select should be strong and solidenough to prevent vibration1 Mount

INSTALLATION OF INDOOR, OUTDOOR UNIT11ENGLISHPiping length and elevationMultiple Piping Models (Unit: m)Phase Capacity(kBtu/h) Total Length Max Length

12INSTALLATION OF INDOOR, OUTDOOR UNITENGLISHPreparing work for Installation (ART COOL Type Only)1 First, push the front panel backward and lift it up

INSTALLATION OF WIRED REMOTE CONTROLLER13ENGLISHDrill a hole in the wallDrill the piping hole with a Ø65mm hole core drill. Drill the piping hole at e

14INSTALLATION OF WIRED REMOTE CONTROLLERENGLISH4 Please connect indoor unit and remote controller using connection cable.5 Please use extension cable

INSTALLATION OF WIRED REMOTE CONTROLLER15ENGLISH5feet(1.5meters)nononoyesFig.1 Typical locations for remote controllerWired remote controller installa

16FLARING WORK AND CONNECTION OF PIPINGENGLISHFlaring workMain cause for gas leakage is due to defect in flaring work. Carry out correct flaring work

FLARING WORK AND CONNECTION OF PIPING17ENGLISHCheck- Compare the flared work with figure below.- If flare is noted to be defective, cut off the flared

18FLARING WORK AND CONNECTION OF PIPINGENGLISHIndoor unit installationHook the indoor unit onto the upper portion ofthe installation plate.(Engage the

FLARING WORK AND CONNECTION OF PIPING19ENGLISH- Bundle the piping and drain hose together bywrapping them with vinyl tape over therange within which t

2IMPORTANT SAFETY INSTRUCTIONSENGLISHIMPORTANT SAFETY INSTRUCTIONSREAD ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.Always comply with the following pr

20CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNITENGLISHConnect the cable to the Indoor unitConnect the cable to the indoor unit by connecti

CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT21ENGLISHThe power cord connected to the outdoor unit should be complied with the following s

22CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNITENGLISH1 Remove the cover control from the unit byloosening the screw.Connect the wires t

CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT23ENGLISHUse round pressure terminals for connections to the power terminal block.When none a

Checking the DrainageTo check the drainage.1 Pour a glass of water on the evaporator.2 Ensure the water flows through the drainhose of the indoor unit

CHECKING THE DRAINAGE AND FORMING THE PIPINGS25ENGLISHForming the PipingForm the piping by wrapping the connectingportion of the indoor unit with insu

26AIR PURGING AND EVACUATIONENGLISHCheck that each tube(both liquid and gas sidetubes) between the indoor and outdoor unitshave been properly connecte

AIR PURGING AND EVACUATION27ENGLISH- When the desired vacuum is reached, closethe "Lo" knob of the manifold valve and stopthe vacuum pump.Re

28PANEL FRONT ASSEMBLY (ART COOL TYPE ONLY)ENGLISH1 First, Check the side cover assemblyexactly, Fix power cord in the bottomgroove of cover side left

INSTALLATION PI48529ENGLISHFix the PI485 PCB as shown in Fig.Detailed installation method refer to PI485 Installation Manual. 18kBtu/h, 21kBtu/h24kBtu

IMPORTANT SAFETY INSTRUCTIONS3ENGLISHis risk of fire or electric shock.• For installation, removal or reinstall , always contact the dealer or anAutho

30TEST RUNNINGENGLISHRemove the battery cover by pulling it accord-ing to the arrow direction.Insert new batteries making sure that the (+)and (–) of

FUNCTION31ENGLISHDip S/W SettingIf you set the Dip Switch when power is on, the change in setting is notapplicable. The changing setting is enabled on

32FUNCTIONENGLISH14/16/18/21(1Ø) kBtu/h 40(1Ø) kBtu/h24/27/30(1Ø) kBtu/hDIP-SWSW01NDIP SW2Forced Cooling OperationAdding the refrigerant in winter.Se

FUNCTION33ENGLISHSaving Power ConsumptionSaving Power Consumption operation is thefunction which enables efficient operation bylowering the maximum po

34FUNCTIONENGLISHSaving Power Consumption Current level.Night Quiet ModeNight Quiet Mode operation lowers the noise level of the outdoor unit by chan

FUNCTION35ENGLISHMode LockSetting Procedure1 Set the Dip Switch as follow after shutting the power source down.2 Reset the power.Mode Lock with Night

36FUNCTIONENGLISHPCB Display(14/16/18/21k Model Only)It is useful to check the cycle data without LGMV.Whenever you push the Tact Switch, the cycle in

MAX COMBINATION CAPACITY37ENGLISHMulti Piping TypeThe combination of indoor unit is to be decided that the sum of indoor unit capacity index mustbe s

38INSTALLATION GUIDE AT THE SEASIDEENGLISHIf the outdoor unit is to be installed close tothe seaside, direct exposure to the sea windshould be avoided

SEASONAL WIND AND CAUTIONS IN WINTER39ENGLISHModel Designation Indoor unitOutdoor unitAirborne Noise EmissionThe A-weighted sound pressure emitted byt

4IMPORTANT SAFETY INSTRUCTIONSENGLISH• Do not allow water to run into electric parts. Install the unit away fromwater sources. There is risk of fire,

40ENGLISH

IMPORTANT SAFETY INSTRUCTIONS5ENGLISH• Do not install the product where the noise or hot air from the outdoor unitcould damage or disturb the neighbor

6IMPORTANT SAFETY INSTRUCTIONSENGLISH• Replace the all batteries in the remote control with new ones of the sametype. Do not mix old and new batteries

TABLE OF CONTENTS7ENGLISH2 IMPORTANT SAFETYINSTRUCTIONS8 INSTALLATION9 INSTALLATION OFINDOOR, OUTDOORUNIT9 Select the best location10 Fixing Installat

8INSTALLATIONENGLISHINSTALLATIONInstallation plateType "B" screwsType "A" screw (6 EA) Type "A" screw (8 EA) Type "

INSTALLATION OF INDOOR, OUTDOOR UNIT9ENGLISHRead completely, then follow step by step.You need to select adequate installation locationconsidering the