LG UU85W.U74 User Manual

P/NO : MFL68645303Rev.00_042318INSTALLATION MANUALAIRCONDITIONERPlease read this installation manual completely before installing the product.Installa

10LIFTING METHODENGLISHCAUTIONBe very careful while carrying the product.• Do not have only one person carry product if it is more than 20 kg.• PP ban

INSTALLATION11ENGLISHThe location of the Anchor bolts- Install at places where it can endure the weight and vibration/noise of the outdoor unit.- The

12INSTALLATIONENGLISHFoundation for Installation- Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquakeor g

CONNECTING PIPES13ENGLISHPreparation of PipingCONNECTING PIPESCoppertube90°Slanted Uneven RoughPipeReamerPoint downFlare nutCopper tubeInclinedInsi

14CONNECTING PIPESENGLISHPlumbing materials and storage methodsPipe must be able to obtain the specified thickness and should be used with low impurit

CONNECTING PIPES15ENGLISHNitrogen substitution methodWelding, as when heating without nitrogen substitution a large amount of the oxide film isformed

16REFRIGERANT PIPING INSTALLATIONENGLISHPrecautions on Pipe connection / Valve operationPipe connection is done by connecting from the end of the pipe

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT17ENGLISH- Pipe connections can be done on the front side or on the side according to the installation

18PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHRemove leakage prevention cap• Remove the leakage prevention cap attached to the outdoor unit

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT19ENGLISHMethod of drawing out pipes on the bottom side- Drawing out common pipe through base panelMet

• Do not cool excessively indoors. This may be harmful for your health and may consume moreelectricity.• Block sunlight with blinds or curtains whil

20PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNITENGLISHWelding- Pipe connections can be done on the front side or on the side according to the insta

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT21ENGLISH•Do not insulate gas or low pressure pipe and liquid or highpressure pipe together.• Be sure

22WIRING CONNECTIONENGLISHConnecting Cables between Indoor Unit and Outdoor Unit- Connect the wires to the terminals on the control board individually

WIRING CONNECTION23ENGLISHCAUTION!The power cord connected to the outdoor unit should be complied withIEC 60245 or HD22.4 S4 (This equipment shall be

24WIRING CONNECTIONENGLISHPoint for attention regarding quality of the public electric power supplyThis equipment complies with respectively:- EN/IEC

WIRING CONNECTION25ENGLISHConnecting the cable to Outdoor UnitRemove the side panel for wiring connection.Use the cord clamp to fix the cord.Earthing

26WIRING CONNECTIONENGLISHCAUTIONIt should be wiring power cables or communication cables to avoid interference with the oil levelsensor. Otherwise, T

WIRING CONNECTION27ENGLISHForming the pipingForm the piping by wrapping the connecting portion of the indoor unit with insulation materialand secure i

28LEAKAGE TEST AND EVACUATIONENGLISHAir and moisture remaining in the refrigerant system have undesirable effects as indicated below.- Pressure in the

LEAKAGE TEST AND EVACUATION29ENGLISHEvacuation- Connect the charge hose end described in thepreceding steps to the vacuum pump to evacuatethe tubing a

3IMPORTANT SAFETY INSTRUCTIONSIMPORTANT SAFETY INSTRUCTIONSREAD ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.Always comply with the following precautio

30TEST RUNNINGENGLISH1 Precautions In Test Running- The initial power supply must provide at least 90 % of the rated voltage.Otherwise, the air condit

TEST RUNNING31ENGLISHHAND OVERTeach the customer the operation and maintenance procedures, using the operation manual (air filter cleaning, temperatur

32SELF-DIAGNOSIS FUNCTIONENGLISHError Indicator (Outdoor)Outdoor ErrorEx) Error 21 (DC Peack)SELF-DIAGNOSIS FUNCTION1 Time 1 Time 1 Time2 Times2 Times

SELF-DIAGNOSIS FUNCTION33ENGLISHDip S/W SettingIf you set the Dip Switch when power is on, the change in setting is notapplicable. The changing settin

34SELF-DIAGNOSIS FUNCTIONENGLISHDip SwitchFunction1 2 3 4 5 6 7 8 9 1012345678910Synchro_Duo12345678910Synchro_Trio12345678910Synchro_QuartetCAUTION•

INSTALLATION GUIDE AT THE SEASIDE35ENGLISHSelecting the location(Outdoor Unit)If the outdoor unit is to be installed close tothe seaside, direct expos

36ENGLISH1,MFL68645303(영) 2018. 4. 25. 영영 10:54 Page 36

1,MFL68645303(영) 2018. 4. 25. 영영 10:54 Page 100

- If the base collapses, the air conditioner could fall with it, causing property damage, productfailure, and personal injury.• Use a vacuum pump or I

TABLE OF CONTENTS5ENGLISH2 TIPS FOR SAVING ENERGY3 IMPORTANT SAFETY INSTRUCTIONS6 INSTALLATION OF OUTDOOR UNIT10 LIFTING METHOD11 INSTALLATION11 The l

6INSTALLATION OF OUTDOOR UNITENGLISH- If an awning is built over the unit to preventdirect sunlight or rain exposure, make surethat heat radiation fro

7INSTALLATION OF OUTDOOR UNITENGLISH• Synchro OperationInstall the branch pipe so that pipe length and difference between high and low will not exceed

8INSTALLATION OF OUTDOOR UNITENGLISHPossible combination of indoor unitsSynchroDuo Trio QuartetIDU : INDOOR UNITODU : OUTDOOR UNITBD : BRANACHDISTRIBU

INSTALLATION OF OUTDOOR UNIT9ENGLISH1 DIP_SW SettingSet the DIP_SW as below Table (Ⓐ)2 Auto Addressing MethodAddressing work assigns address to each i