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LG Room Air Conditioner

1. ren 64 Room Air Conditioner Replacement Parts List Indoor Unit Replacement Parts List LOCATION PART No DESCRIPTION REMARKS No LS C2423 M0 LS H2423 M0 LS C2463 M0 LS H2463 MO0 LS H1863 M1 131410 CHASSIS ASSEMBLY 3141A20012A 3141A20012A 3141A20012A 3141A20012A 31414200124 R 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20231C 3531 20231 3531A20231C 3531A20231C 3531A20231F 135312 GRILLE ASSEMBLY MIRROR 3531A20263A 3531A20263G 3531A20263N 3531A20267H 3531A20291J R FRONT INDOOR BLUE 3531A20263C 3531A20263J 3531A20267A 3531A20263J 3531A20291C WHITE 3531A20263F 3531A20263M 3531A20263F 3531A20263M 3531A20291G R WOOD 3531A20267B 3531A20267G 3531A20291E METAL 35314202638 3531A20263H 3531A20267C
2. Service Manual 55 E Schematic Diagram EX OV a Ge npo go Le HG vie melZ ael el SHiro s Tr DE Dr T moer zl 7 L nn qu mc T Lj e GE Let r3 Caan mn Be ES Pa o ee ett i SU er DE wezig xS d EE vir we WSV MS m T je m HH an 2 H k wis se rw H had a T el S dd fae mem e EA olo ocus ae E cen p ec mg m CR ttf ea S ZC ele Lum Tr 5 t n sl EE GC C o oevezooszadn EIS mi M DE ele AE EH e ele 1 1 nn DD less an ele HE MEE uo mg HHE 3 802 96 Bap CE op or Debt ele ve 7 X4 mm bu afa s s Et r el man m EE ki SU pz DR uolon ae m tno ana a SR sj HE mmm z m ueq ans GH cl T 3 T DE Y x zl Sr d 3 amano gJ DEE weie Y00590 Schematic Diagram Indoor Unit Heat pump MAIN PCB ASM TRIAC
3. Gas side 3 way valve Liquid side 2 way valve MODEL LS C1823R W B D M CM2 AS H1863 M3 DIM uni LS C2423R W B D M CMO AS H2463 M3 mm 840 H mm 577 D mm 276 L1 mm 287 L2 mm 64 L3 mm 518 L4 mm 10 L5 mm 100 10 Room Air Conditioner Dimensions Liquid side 2 way valve Gas side 3 way valve MODEL LS C1823R W B D M CMO DIM unit LS H1823R W B D M CMO mm 801 H mm 555 D mm 262 L1 mm 339 L2 mm 37 L3 mm 543 6 L4 mm 11 4 L5 mm 591 L6 mm 105 L7 mm 105 L8 mm 72 5 L9 mm 86 4 L10 mm 77 Service Manual 11 Installation Installation Indoor unit 1 2 Do not have any heat or steam near the unit Select a place where there are no obstacles in front of the unit Make sure that condensation drainage can be conve niently routed away Do not install near a doorway Ensure that the interval between a wall and the left or right of the unit is more than 50cm The unit should be installed as high as possible on the wall allowing a minimum of 10cm from ceiling Use a stud finder to locate studs to prevent unneces sary damage to the w
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5. EROSION DESCRIPTION ii ue REMARKS No AS H2463 MO ASH24EERDIMWME LSCHBBCOMAM LS C1823RM LS H1863 M1 430410 BASE ASSEMBLY WELD OUTDOOR 3041A30003F 3041A30003F 3041A20022G 29020797 3041A10027A R 435301 GRILLE DISCHARGE 3530A20007B 3530A30007J 35304200078 1 00840 3530A2000 R 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A30007X 3551A30061M 3551A30018W 3551A20030C 3551A30079N 435512 COVER ASSEMBLY TOP OUTDOOR 3H03266K 3H03465J R 437210 PANEL ASSEMBLY FRONT OUTDOOR 3721A20005H 1A00197A 3721A20005H 240674 3721A20113A R 437212 PANEL ASSY REAR 3720AP0003D 1 00202 3720AP0003D 1HO0697M 3721A20M4F R 447910 BARRIER ASSEMBLY OUTDOOR 2H02110M 47914300046 2H02110M 4791AR7047A 47914200238 R 546810 MOTOR ASSEMBLY OUTDOOR 4681A20013D 4681A20008N 46814200130 4681AR1302R 4681A20028P 550140 ISOLATOR COMP 4H00982E 4H00982E 50404300178 4H00982E 4022U L05A 552102 TUBE CAPILLARY BEND 5210A30216P 5210A20474J 5210A21238V 5210 31442 5210A30655F 552111 TUBE ASSEMBLY CAPILLARY 5211A10039U 5211A30769B 5211A21202B R 552116 TUBE ASSEMBLY REVERSING 5211A20529M 5211A20529P 5211A20270R R 552201 VALVE CHECK 5220A30004A 3A01020H R 552202 VALVE REVERSING 5220AR3228C 2027 3A02027G R 5522031 VALVE SERVICE 5220A20013A 5220A20013
6. e o E set ote 2o zio szor BS e 2 ed Cm SSES Na 2 8855 Smoot N 2303 bi mE s ER 3 96398 A e 5 2 pz cm d E NL eiim 8 N co lt q u 7622 0050 i gg g s M 58 8 3mm g 8 5 8 E E g 8 90 5 JPO 42 o 81 99 oo SS 28 o 9 d Z og lt gt T 16036 lt 8 88 8 o T GEN 308 10015 58 Room Air Conditioner Schematic Diagram DISPLAY ASSEMBLY 8888888888888 5 896 8D D I 5 PHB 6870A90178A E Co B ASM 6871920463 SUB P W B ASSEMBLY CN D4 HEE PWB ASM 6871A20363 8888888 8 88888 8888 1 CNID3 NES PWB 6870A90126B 888 Go 3D Go 8 8 8 8 8 8 8 8 1 4 CN D1 188 8888888888888 gt CN CON WH CN 12V WH 84 CN D5 18 8 8 8 8 8888 888 CN SW BL 38881818 CN D7 elele CN D6 4 CO Teele d J I 1 Service Manual 59 Product Specifications Product Specifications Table 1 Item Model Name Unit LS H1863 M0 LS H1863 M1 LS H1863 M3 LS H
7. EE D CNMAN S CONNECTOR amp PWB ASM uwir sw 1 TERMINAL I BLOCK 1 CNSTEP CNSTEP2 OUTDOOR UNIT LS E pf LA 3854A20576E ER 3854A20167Q Service Manual 57 Schematic Diagram MAIN P W B ASSEMBLY AC PART e TOP VIEW RY COMP fn lt 1 6 1 1 A 1 CN TABL CN TAB3 CN L RCBL CN UZDCHH gt ROLJ w ar 8 s co f we E BN o PN 2 ZNR01J Le i 6 C03J gi 8 BA M g 2303 t 201 PWB 6870A90177A 9 N PWB ASM 6871A10043 o z 1 1 3 85 TROJ o 1 e e OSCO1B E e 40 8 l z 5504 Span Mic COSD S E 8 N S SC 5 A o ICO3D n 5 ICOLA SC 5 lt R 1509 ICO2D 1 ICO4D 8 3 4 5 1801 x P e BOTTOM VIEW CN TAB2 CN TAB3 CN TRBi CN L R B Weld O H 86 68 BB ot RY COMP Pore S ICO2M Gs S 9 ICOIM EN e gm ZNR01J Se 4 o o JP20 N oo wem ts i SR O NFOLJ C03 Sv cg OL d s oo YOLOW NI
8. 48 Room Air Conditioner Troubleshooting Guide The product does not operate with the remote controller Turn on Main Power LM While the compressor has been stopped the compressor does not operate owing to the delaying function for 3 minutes after stopped es When the compressor stopped Indoor Fan is driven by a low speed At this point the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by force lE LP Cause by the remote control lE Ge mark 4 is displayed LCD screen replace Check the contact of CN D1 2 connector Lt Check the connecting circuit between the remote controller I I KEE Check Display PWB Assembly MICOM No 80 R17 2Q IR LED TR R16 2 2KQ Voltage between CN D2 DC 5V Caused by other parts except the remote control d Lt Check point e Check the connecting circuit between PINO RO2L 1K CO1L 680PF MICOM PIN 43 Check Receiver Assembly Service Manual 49 Troubleshooting Guide Compressor Outdoor Fan are unable to drive Turn on Main Power d Operate Cooling Mode sk by setting the desired temperature of the remote controller is less than one of the indoor temperature by 1 C at least d When in Air Circulation
9. SU 2 C U U 4 Installation plate L a L a K 970mm 70mm Left rear piping Right rear piping 9 j C d U d i Installation plate i a m 4 C A Left rear piping Right rear piping S3 Installation plate i a e m 4 C A Right rear piping WALL Indoor Outdoor 5 7mm 3 16 5 16 Installation Main cause for gas leakage is due to defect in flaring work Carry out correct flaring work in the following procedure Cut the pipes and the cable 1 Use the piping kit accessory or the pipes purchased O locally Coppe x Slanted Uneven Rough d dd 2 Measure the distance between the indoor and the outdoor unit 3 Cut the pipes a little longer than measured distance 4 Cut the cable 1 5m longer than the pipe length Burrs removal 1 Completely remove all burrs from the cut cross sec tion of pipe tube CA lt 2 Put the of the copper tube pipe a downward direction as you remove burrs in order to avoid drop Point down ping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work 1 Firmly hold copper pipe in a die in the dimension shown in the table below 2 Carry out flaring work with the flar
10. 23 Forming the PIPING ste eenden 24 25 Air Purging with Vacuum Pump L p teri pace ne po d eea wandern 25 Bids iui WEE d 27 etn EE 28 sander elo Aa ion creuse em 28 Display FUNCION aiene el 35 Self diaghosis deden hade enden de heien 36 Remote Control Operatigns Lunteren ee 37 IN E 38 doot Unit tranende eee M 38 Troubl shootlhg Guides revert eater peat aan 41 Refrigeration Cycle Diagram MEE E 41 ZW SWAY m 42 tae til 47 Electronic Cm 48 Schematic Diagram ernst Dite of oso acci eat etl eee de cs lof uS 55 Electric Control Device RR 55 Wiring DI8gfam u an eee ede ea niece eee 56 Components Location h aa Sauna taa anp buon ha ot tt ae qaa 58 Product SPECHICAHONS T de ene 60 Exploded TT tt ee Da 62 Replacement Parts LISE non oever e cipe bata dunt audet Roo eenden 65 2 Hoom Air Conditioner LG Model Name B LG Model Name 1 2 3 4 5 6 7 8 9 10 Code Type Code of Model Meaning 1 Producing Center A Z L Chang won R22 N India Refrigerant A
11. e OT m ee E A Ln ZA Dn E 9 N Service Manual 39 Disassembly Ww Unhook the tab on the right inside of the chassis i D 5 m gt Def N RI 8 IR p uir Q J 5 To remove the Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully Motor cover 6 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the Cross flow fan cross flow fan D NEL HM Hi du Remove the left end of the cross flow fan from Bearing the self aligning bearing 40 Room Air Conditioner Troubleshooting Guide Troubleshooting Guide Refrigere 1 Cooling Only Models INDOOR UNIT OUTDOOR UNIT CAPILLARY TUBE HEAT EXCHANGE EXCHANGE EVAPORATOR CONDENSER GAS SIDE COMPRESSOR 2 Cooling amp Heating Models INDOOR UNIT OUTDOOR UNIT A CHECK VALVE Heating Model only lt LIQUID SIDE EVAPORATOR CONDENSER i a i REVERSING ACCUMU VALVE LATOR x Heating Model Only COMPRESSOR COOLING lt HEATING Service Manual 41 Troubleshooting Guide 2 way Valve Liquid Side 3 wa
12. CN MOTOR CN TH1 WH THERMISTOR DISPLAY e N SH CAPA BL CN TAB2 CN TAB1 CNEUR BD I CN UID WH CN DISP1 FUSE 3 AC250V T2A Qf GA Y COMP O70 RY 4WAY Ee TERMINAL BLOCK CN MAIN CONNECTOR PWB ASM FORCED OPERATON SW foj TO OUTDOOR UNIT to MOTOR4 2 3854A20238K MAIN PCB ASM TRIAC CN MOTOR CN DISP1 CN TH1 WH e N U D WH SH CAPA BL CN CN TAB2 CN TAB1 CN L R BL FUSE 4 AC250V T2A o RY COMP CN HVB LIMIT S W 1 l LIMIT S W 2 THERMISTOR DISPLAY TERMINAL BLOCK l CAN m FORCED CONNECTOR irr PWB ASM CN STEP1 CN STEP2 TO OUTDOOR UNIT Gei Lo SUC STEP STEP MOTOR 1 MOTOR 2 INDOOR WIRING DIAGRAM 3854A20238N 56 Room Air Conditioner AS H1863 M3 AS H24
13. LG Room Air Conditioner website http www lgservice com SERVICE MANUAL MODELS LS C1863R W B D M CMO AS H1863 M3 LS H1863R W B D M CMO AS H2463 M3 LS C2463R W B D M CMO 5 1863 LS H2463R W B D M CMO LS C2463 M3 LS C1823R W B D M CMO 15 2463 LS C1823R W B D M CM2 15 1863 LS H1823R W B D M CMO LS C2463 M4 LS C2423R W B D M CMO LS H2423R W B D M CMO AS H2463R D M WM1 AS H1863B M R WMO AS H2463R D M WM1 LS C2463B C D M RM1 LS C1823RM1 LS H1863B D M R WM1 e BEFORE SERVICING THE UNIT READ THE SAFETY ONLY FOR AUTHORIZED SERVICE PERSONNEL CAUTION PRECAUTIONS IN THIS MANUAL Air Conditioner Service Manual TABLE OF CONTENTS LG Model Name l Sos aches ae bale a kun NEE ica e Au iu dn 3 Safety E EE H DIMENSI NS EE 8 Symbols used in this edad 8 ot T RTL UOS 6 8 Outdoor Dit o one os techos en eu HELLE Fa m re LCS 9 Installation eM M EET 12 Select the best Location senteren 12 Piping Length and Elevatiohu Esten eeen etc eee Octa ua se 13 Fixingilnstallatiem Plalg eS 14 Drilla Hole inthe Wall itte tec etienne nd eee ed 14 Flaring Sun te Gata Qu Qa sae lend esa 15 Connecting the Piping EE 16 Connecting the Cables to the Indoor Unit aa 22 Connecting the Cables to the Outdoor Uni ioni tirer Pantin pates ah etn ire a aq nn 23 Checking the Drainage
14. Remove the control cover from the unit by loos Outdoor Unit ening the screw Connect the wires to the terminals on the control board individually Terminal block 2 Secure the cable onto the control board with the cord clamp 3 Refix the control cover to the original position Connecting cable with the screw Connecting cable 4 Use a recognized circuit breaker A between the power source and the unit A disconnecting device to adequately disconnect all supply lines must be fitted Circuit Grade Breaker 7ks 18k 26k 30k 38k A 15 20 30 40 CAUTION After the confirmation of the above conditions prepare the wiring as follows 1 Never fail to have an individual power circuit specifically for the air conditioner As for the method of wiring be guided by the circuit diagram posted on the inside of control cover 2 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6 Confirm that the cable thickness is as specified in the power source s
15. A 3 40 44 40 42 40 44 51 55 51 53 51 55 Cooling Input Heating W 2 550 2 475 Running Cooling A Current Heating 9 4 8 5 8 10 5 8 10 5 EER Cooling Btu hW 9 47 8 9 9 38 10 28 9 38 C O P Heating 10 92 9 889 Indoor Motor Output Outdoor 26 7 26 7 15 7 15 7 25 6 25 6 61 82 9 45 76 5 76 5 61 82 9 Dimensions Indoor WxHxD Outdoor 1170315170 1170515170 1170315170 1170315170 1170515170 1170315170 1170315470 870 655 320 870 655 320 801 555 262 870 577 276 840 577 276 870 655 320 870 800 320 Net Weight Outdoor kg 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 56 123 5 60 132 38 42 92 4 47 103 6 60 132 65 140 5 Refrigerant g 1 140 1 470 1 240 1 300 1 270 1 210 1 980 Airflow Direction Control Up amp Down O O O O O O 0 Remocon Type L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wireless Liquid Service Valve inch mm Gas 1 4 6 35 3 8 9 52 1 4 6 35 1 4 6 35 3 8 9 52 1 4 6 35 3 8 9 52 1 2 12 7 5 8 15 88 5 8 15 88 5 8 15 88 5 8 15 88 1 2 12
16. ASSEMBLY MAIN 6871A10143V 6871A10143U 342800 BEARING 4280A20004A 4280A20004A 346810 MOTOR ASSEMBLY INDOOR 4681A20067C 4681A20067A 35211B TUBE ASSEMBLY TUBING 5211A30038Z 5211A30439D 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A14007B 5211A14007B 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211A10474B 5211A10474A 352150 HOSE ASSEMBLY DRAIN 5251AR1222R 5251AR1222R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20211A 5421A20211A 359011 FAN ASSEMBLY CROSS FLOW 5901A20017C 5901A20017C 668713 PWB PCB ASSEMBLY SUB 6871A20259A 6871A20259A 668713 PWB PCB ASSEMBLY SUB 6871A20258E 6871A20258E 733010 PLATE ASSEMBLY INSTALL 3301A10002A 3301A10002A W0CZZ 1 CAPACITOR DRAWING 3H01487G 3H01487G NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 68 Room Air Conditioner Replacement Parts List PART No x DESCRIPTION REMARKS LSNH1863 M3 LSNC2463 M3 LSNH2463 M3 131410 Chassis Assembly 3141 20012 3141A20012A 3141A20012A R 346810 Motor Assembly AC Indoor 4681A20067A 4681A20067A 4681A20067A R 135516 Cover Assembly Motor 3551A20099N 3551A20099M 3551A20099M R 359011 Fan Assembly Cross Flow 5901A20017C 5901A20017C 5901A20017C R 354210 Evaporator Assembly First 5421A20211B 5421A20211B 5421A20211B R 352115
17. Nano Plasma F 4Way A changeover A clean Oxy generator U 4way Nano Plasma F Negative ION Healthy dehumidification A Clean Oxy generator V Dry Contact W Wired Remocon 8 10 Serial No 1 9 LG Model Development Serial No ARTCOOL COLOR R Mirror N Walnut W White Wood A Gogh B Blue S Sisley D Wood Q Quran M Metal K Mecca Cherry Service Manual 3 Dimensions B Dimensions A This symbol alerts you to the risk of electric shock A This symbol alerts you to hazards that may cause harm to the air conditioner This symbol indicates special notes INDOOR UNIT 1170 315 173 8 Room Air Conditioner MODEL Dimensions d aS Gas side 2 Ce Liquid side LS C1863R W L5 C2463R W LS H2423R W AS H2463B M LS C1823RM1 LS H1863B D MR WM1 LS H1863 M3 LS C2463 M3 LS H2463 M3 B D M CMO LS H1863R W B D M CMO LS H2463R W B D M CMO AS H1863B M R WMO LS C2463B C D M B D M CMO B DIM CMO R WMO RM m AS H2463R D M WM1 DIM LS C1863 M3 LS C2463 M4 W mm 870 870 H mm 655 800 D mm 320 320 L1 mm 370 370 L2 mm 340 340 L3 mm 25 25 L4 mm 630 775 L5 mm 25 25 L6 mm 546 546 L7 mm 162 162 L8 mm 162 162 L9 mm 54 54 L10 mm 74 5 74 5 L11 mm 79 79 Service Manual 9 Dimensions
18. Outdoor unit Outdoor unit Outdoor unit Indoor unit If piping length is more than 5m CAUTION Capacity is based on standard length and maximum allowance length is on the basis of reliability Oil trap should be installed every 5 7 meters Service Manual 13 Installation The wall you select should be strong and solid enough to prevent vibration 1 Mount the installation plate on the wall with type A screws If mounting the unit on a con crete wall use anchor bolts Mount the installation plate horizontally by aligning the centerline using a level 2 Measure the wall and mark the centerline It is also important to use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typi Cally Drilling the hole through the wall for piping connections must be done safely CHASSIS Distance mm Grade A B ae en 35 33 156 33 11 4k 92 44 67 44 s 58 3 292 3 For S3 chassis the center of the unit is different from that of the Installation plate Drill the piping hole with a 70mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side 14 Room Air Conditioner Installation Plate Type A screw
19. STEP STEP MOTOR MOTOR 2 3854A20576B Schematic Diagram Outdoor Unit LS C1863 Series AS H1863 Series LS H2463 Series AS H1863RMO LS C2463 Series AS H2463 Series LS H1863 Series LS H2423 Series LS H2463 M3 OPTION A BK BR TERMINAL BLOCK O T B 2 Jolo Cl oa SOLENOIDE HIGH PRESSURE c TERMINAL ORNS 3 4 e I 1 1 1 TO INDOOR UNIT Ei ED SI SD OUTDOOR WIRING DIAGRAM 3854A20167T N se TO INDOOR UNIT TO INDOOR UNIT OUTDOOR WIRING DIAGRAM S854A20167A 3854A20051N Of P LS C2423 Series LS C1823 Series LS H1823 Series LS C2463 Series LS C1863 M3 OPTION wie CAPACITOR T B TERMINAL sock DE O T B 2 TERMINAL BLOCK ZS TERMINAL BLOCK T T T 1 1 1 1 BRI BL Ia TO INDOOR UNIT 3854A20167B TO INDOOR UNIT TO INDOOR UNIT 3854A20123J 3854A20123H MAIN PCB ASM THERMISTOR TRIAC zoa N BR BKPlained SH CAPA BR OR BL WH Ribbed CN UR BLJ CN U D WH CN DISP1 CN THI WH CN TAB2 CN TAB1 YL FUSE 4 3 AC2SOV T2A 554 RY COMP a a TERMINAL BLOCK
20. When an air cleaner function is selected during operation off The function will be only operated When inlet grille of air conditioner is opened during plasma operation High Voltage Generator H V B is to be stopped When inlet grille of air conditioner is closed during plasma operation High Voltage Generator H V B will be operated again 34 Room Air Conditioner Operation 1 Heating Model 2 Cooling Model Operation Indicator MD Operation Indicator D Cooling Soft Dry Fan Heating Cooling Soft Dry Fan Sleep Timer Indicator Xx Sleep Timer Indicator X Sleep Mode Sleep Mode Timer Indicator c Timer Indicator Timer Mode Timer Mode 1 Defrost Indicator Outdoor Unit Operation Hot start Defrost Service Manual 35 Operation Self diagn Error Error Display LED Code Indoor body operation LED Error contents SVC check point Indoor room temperature thermistor open short Indoor Thermistor Indoor pipe temperature assembly check lt gt lt gt lt gt 3sec 3sec 3sec thermistor open short twice 2 Outdoor pipe temperature Outdoor Thermistor thermistor open short assembly check
21. or low speed of the air flow mode is operated for 2 15 sec randomly by the Chaos Simulation Jet Cool Mode Operation C O Model If the Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation n the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority During the JET COOL function at any moment the A C starts to blow the cool air with side louvers closed at extremely high speed for 30 minutes setting the room temp automatically to 18 C Jet Cool Mode Operation Model While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 C When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority During the JET HEAT function at any moment the A C starts to blow the hot air with side louvers closed at extremely high speed fo
22. 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve Connect the charge hose with the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indi cating to 5kg cm g 8 Disconnect the charge set and mount the 2 way and 3 way valve s stem nuts and the ser vice port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage Service Manual 43 Troubleshooting Guide Balance Refrigerant of the 3 way Valve Gas leakage Outdoor unit e Procedure 1 Confirm that both the 2 way and 3 way valves 3 Open the valve Lo side on the charge set and are set to the back seat discharge the refrigerant until the gauge indi cates 0 kg cm G 2 Connect the charge set to the 3 way valve s If there is no air in the refrigerant cycle the port pressure when the air conditioner is not running Leave the valve on the charge set closed is higher than 1 kg cm G discharge the refrig Connect the charge hose to the s
23. 3531A20267J 3531A20291A R CHERRY 3531A20263E 3531A20263L R 135314 GRILLE ASSEMBLY INLET MIRROR 3531A20232B 3531A20232B 3531A20232B 3531A20232B 3531 20290 BLUE 3531A20244B 3531A20244B 3531A20244B 3531A20244B 3531 202908 R WHITE 3531A20244E 3531A20244E 3531A20244E 3531A20244E 3531A202000 R WOOD 3531A20244C 3531A20244C 3531A20000C METAL 3531A20244A 3531A20244A 3531A20244A 3531A20244A 3531420290 R CHERRY 3531A20244D 3531A20244D R 135516 COVER ASSEMBLY MOTOR 3551A20099M 3551A20099M 3551A20099M 3551A20099M 3551A20099N R 145200 LINK 4520A20008A 4520A20008A 4520A20008A 4520A20008A 4520 20008 R 145201 LINK 4520 20027 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 4681A20055A 4681A20055A 4681A20055A 146811 MOTOR ASSEMBLY STEP 4681A20055D 4681A20055D 4681A20055D 4681A20055D 4681A20055D R 152302 FILTER MECH A C 5230A20047A 5230A20047A 5230A20047A 5230A20047A 5230A20047A R 159830 AIR CLEANER ASSEMBLY 5983A10006X 5983A10006X 5983A10006U 5983A10006X 5983A20010E 159901 VANE HORIZONTAL 5990A20042B 5990A20042B 5990A20042B 5990A20042B 5990A20042B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20379G 4995A20379F 4995A20375N 4995A20379H 4995420379N 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A2000H 264110 POWER COR
24. Mode Compressor Outdoor Fan is stopped d Check the sensor for indoor temperature is attached as close as to be effected by the temperature of Heat Exchanger EVA d When the sensor circuit for indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped Check RO2H 12 1k RO4H 6 2k Micom Pin 6 27 e Check the indoor temperature sensor is disconnected or not About 10kQ at 25 C d Check Relay RY COMP for driving compressor When the power About AC220V 240V is applied to the connecting wire terminal support transferred to compressor PWB Assembly is normal Check the circuit related to the relay Check point COMP ON COMP OFF Between Micom No 63 and GND DC5V DCOV Between ICO2M No 14 Below DC 1V and GND app About DC12V Turn off Main Power Lt Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor Check the open or short of conmecting wires between indoor and outdoor 50 Room Air Conditioner Troubleshooting Guide When Indoor Fan does not operate Turn off Main power d Check the connection of CN MOTOR1 2 d Check the Fan Motor d Check the Fuse AC250V 3 15A d Check PWM signal from Micom Pin 50 Check On O
25. R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20073Y 6711A20048G 6711A20077U 6711A20077U 6711A20083P R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20463A 6871A20463B 6871A20463F 6871A20463A E R 268714 PWB PCB ASSEMBLY MAIN 6871A10143U 6871A10143W 6871A10143P 6871A10056C 6871A10056R R 342800 BEARING 4280A2004A 4280A20004A 4280A20004A 4280A20004A 4280A20004A R 346810 MOTOR ASSEMBLY INDOOR 4681A20067A 4681A20067C 4681A20067A 4681A20003B 4681A20067C R 35211B TUBE ASSEMBLY TUBING 5211A30439D 5211A30439D 5211A30439D 5211A30439A 52114300382 R 352150 HOSE ASSEMBLY DRAIN 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20211A 5421A20211B 5421A20211B 5421A20211A 5421A20211A R 359011 FAN ASSEMBLY CROSS FLOW 5901A20017C 5901A20017C 5901A20017C 5901A20017C 5901A20017C R 668713 PWB PCB ASSEMBLY SUB 6871A20259A 6871A20052A 6871A20259A 6871A20259A 6871A20259A R 668713 PWB PCB ASSEMBLY SUB 6871A20258E 6871A20258C 6871A20258E 6871A20258E 6871A20258E R 733010 PLATE ASSEMBLY INSTALL 3301A10002A 3301A10002A 3301A10002A 3301A10002A 3301A10002A R WOCZZ CAPACITOR DRAWING 3H01487G 3H01487G 3H01487G 3H01487G 3H01487G R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz L Gservice com Service Manual 67 Replacemen
26. above the setting temp they start to operate again Compressor ON Temp gt Setting Temp 0 5 C Compressor OFF Temp gt Setting Temp 0 5 C While in compressor running operating with the airflow speed set by the remote controller While in compressor not running operating with the low airflow speed regardless of the setting 28 Hoom Air Conditioner Operation Healthy Dehumidification Mode When the dehumidification operation input by the remote controller is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 C lt Intake Air Temp gt 25 C 24 C lt Intake Air Temp lt 26 C gt Intake Air Temp 1 C 18 C lt Intake Air Temp lt 24 C gt Intake Air Temp 0 5 C Intake Air Temp lt 18 C gt 18 C While in compressor off the indoor fan repeats low airflow speed and pause While the intake air temp is between compressor on temp and compressor off temp 10 dehumidification operation and 4 min compressor off repeat Compressor ON Temp gt Setting Temp 0 5 C Compressor OFF Temp gt Setting Temp 0 5 C In 10 min dehumidification operation the indoor fan operates with the low airflow speed Heating Mode Operation When the intake air temp reaches 3 Cabove the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp
27. gt Setting Temp Compressor OFF Temp gt Setting Temp 3 C While in compressor on the indoor fan is off when the indoor pipe temp is below 26 C when above 28 C it operates with the low or setting airflow speed while in sleep mode with the medium airflow speed While in compressor off the indoor fan is off when the indoor pipe temp is below 33 C when above 35 C it operates with the low airflow speed If overloaded while in heating mode operation in order to prevent the compressor from OLP operation the out door fan is turned on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turned off B Defrost Control While in heating mode operation in order to protect the evaporator pipe of outdoor unit from freezing reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit Defrost control is available 30 minutes later since heating mode operation started and it will not prolong over 6 minutes Deicing starts only when the outdoor pipe temperature falls below 6 C after 30 minutes passed from starting of heating operating and more than 10 minutes operation of compressor Deicing ends after 6 minutes passed from starting of deice operation or when the outdoor pipe temperature rises over 12 C even if before 6 minutes E Fuzzy Operation C O Model According to the temperature set by Fuzzy rule when the intake air temp is 0 5 C
28. or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 C Compressor OFF Temp gt Setting 0 5 At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time Service Manual 29 Operation 26 C lt Intake Air Temp gt 25 C 24 C lt Intake Air Temp lt 26 C gt Intake Air Temp 1 C 22 C lt Intake Air Temp lt 24 C gt Intake Air Temp 0 5 C 18 C lt Intake Air Temp lt 22 C gt Intake Air Temp Intake Air Temp lt 18 C gt 18 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temper ature B Fuzzy Operation H P Model When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off the operation mode is selected When determining the operation mode the compressor the outdoor fan and the 4 way valve are off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp a
29. refrigerant gas Close the liquid side service valve all the way in 4 Turn on the unit s operating switch and start the cooling operation When the low pressure gauge reading becomes 1 to 0 5kg cm2 G 14 2 to 7 1 P S I G fully close the gas side valve stem and then quickly turn off the unit At that time Pump Down has been completed and all refrigerant gas will have been collected in the outdoor unit Tubing connection Evaluation of the performance Operate unit for 15 20 minutes then check the system refrigerant charge 1 Measure the pressure of the gas side service valve 2 Measure the temperature of the intake and discharge of air 3 Ensure the difference between the intake tempera ture and the discharge is more than 8 C 46 F Cooling or Heating ow Service Manual 27 Operation l Operation DISPLAY 1 C O Model high quality LCD remote controller supplied Operation Indicator On while in appliance operation off while in appliance pause Timer Indicator On while in timer mode on off and in sleep timer mode off when timer mode is completed or canceled Comp Running Indicator While in appliance operation on while in outdoor unit compressor running off while in compressor off Plasma Indicator On while in plasma mode off while plasma mode is canceled Auto restart Indicator On while auto restart mode off while auto restart mode
30. system 1 Preparation Check that each tube both liquid and gas side tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed Remove the service valve caps from both the gas and the liquid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage 2 Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylin der valve when the gauge reading reached 150 P S I G Next test for leaks with liquid soap CAUTION To avoid nitrogen entering the refrigerant system in a liquid state the top of the cylinder must be higher than its bottom when you pressurize the system Usually the cylinder is used in a vertical standing position Doa leak test of all joints of the tubing both indoor and outdoor and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off the soap with a clean cloth After the system is found to be free of leaks relieve the nitrogen pressure by loosening the charge hose connector at the nitrog
31. 0007B 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A30061P 435512 COVER ASSEMBLY TOP OUTDOOR 3H03266K 437210 PANEL ASSEMBLY FRONT OUTDOOR 3721A20005H 437212 PANEL ASSEMBLY REAR OUTDOOR 3720AP0003D 447910 BARRIER ASSEMBLY OUTDOOR 2H02110M 546810 MOTOR ASSEMBLY OUTDOOR 4681A20013D 549610 MOUNT ASSEMBLY MOTOR OUTDOOR 4961A20003D 550140 ISOLATOR COMP 5040A30017B 552102 TUBE CAPILLARY BEND 5210A21238V 552111 TUBE ASSEMBLY CAPILLARY 5211A21202J 552203 1 VALVE SERVICE 5220A20002A 552203 2 VALVE SERVICE 2A00392N 554031 CONDENSER ASSEMBLY BENT 5403A10013B 554160 COMPRESSOR 5416A20016F 559010 FAN ASSEMBLY PROPELLER 1A00195B 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10042U W0CZZ CAPACITOR DRAWING 2A00986Y NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz L Gservice com 78 Room Air Conditioner P No 3828A20195P Printed in Korea
32. 0259A 6871A20259A 68714202580 6871A20259A 6671A20259A 6871A20259A R 668713 PWB PCB ASSEMBLY SUB B71A20258C 68714202580 6871A20258C 6871A20259A 6871A20250C 6671A20258E 68714200580 R 733010 PLATE ASSEMBLY INSTALL 3301A10002A 3301 10002 3301A10002A 3301A10002A 3301A10002A 3301A10002A 3301A10002A R WOCZZ CAPACITOR DRAWING mme ane wu 3HOM G 3H01487G 3H01487G R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 66 Room Air Conditioner Replacement Parts List PART No GEN DESCRIPTION AS H1863 MO REMARKS AS H2463 M0 AS H2463RDM WMI LS C2463B C DMIRMI LS C1823RM1 Sutfi A BSHA 131410 CHASSIS ASSEMBLY 3141A20012A 3141 20012 3141A20012A 3141A20012A 3141A20012A R 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20231F 3531A20231C 3531A20231F 3531A20231F 3531A20231G R 135312 GRILLE ASSEMBLY FRONT MIRROR 3531A20291J 3531A20263G 3531A20291K 3531A20291N 3531A20291J R INDOOR BLUE 3531A20291C 3531A20291D R WHITE 3531A20291G 3531A20263M R WOOD 3531A20263K 3531A20291F R METAL 3531 20291 3531A20263H 3531 20291 3531A20291A R CHERRY 3531A2029
33. 1A20290A 3531A20290A R R MIRRIOR 3531A20290B 3531A20290E 3531A20290E R W WHITE 3531A20290E 3531A20290D 3531A20290D R 268712 PCB Assembly Display 6871A20463A 6871A20463B 6871A20463A R 152302 Filter Air 5230A20047A 5230A20047A 5230A20047A R 146811 Motor Assembly DC Stepping 4681A20055D 4681A20055D 4681A20055D R 668713 2 Assembly Sub 6871 20259 6871A20259A 6871A20259A R 668713 1 PCB Assembly Sub 6871A20258E 6871A20258E 6871A20258E R 342800 Bearing 4280A20004A 4280A20004A 4280A20004A R 733010 Plate Assembly Installation 3301A10002A 3301A10002A 3301A10002A R 267110 Remote Controller Assembly 6711A90031Y 6711A90032U 6711A90031Y R 159830 Filter Assembly Air Cleaner 5983A25004L 5983A25004L 5983A25004L R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz L Gservice com Service Manual 69 Replacement Parts List PART No EE DESCRIPTION REMARKS LS C1863 M3 LSNC1863 M3 A CIDA 131410 CHASSIS ASSEMBLY 3141A20012A 3141A20012A 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20231C 3531A20231F 135312 GRILLE ASSEMBLY FRONT INDOOR MIRRIOR R 3531A20291K BLUE B 3531A20291D METAL M 3531A20291B WOOD D 3531A20291F WHITE W 3531
34. 1A21202D 5211A21381F 5211A20133U 5211A30331D 5211A10039P 552116 TUBE ASSEMBLY REVERSING 5211212000 i 5221AR2938M 5211A20529N 552201 VALVE CHECK 3 01020 i 3A01020H 5220 30004 552202 VALVE REVERSING 3A02027G i E 5220AR3228C 554031 CONDENSER ASSEMBLY BENT 5403A20072Q 5403AR6027V 5403A20164B 5403A90039Q 5403A10013B 5403A20022R 554160 COMPRESSOR 2520UMDK2JA 2520UMBK2UA 2520UMKK1FA 5416A20016A 5416A20016A 2520UTEP2AA 559010 FAN ASSEMBLY PROPELLER 5900AR1119B 5900AR1119B 5901A10032A 1A00195B 1A00195B 1 00195 R 561410 COL ASSEMBLY REVERSING VALVE i 6141 20010 6141AR3733F 3 020286 R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4781AR1459P 4781AR1459T 4995A00006K 4995A10136D 4995A10002W 4995A10002X R 552102 1 TUBE CAPILLARY BEND 5210A31442G I 5210A30147S 5210A30147Q 5210 31380 552102 2 TUBE CAPILLARY BEND 5210A31442F i 5210A30147Y 5424AR3811B 5424AR3479V 552203 1 VALVE SERVICE 2H02200E 2H02200E 5220A20005B 2H02479F 2H02479F 5220A20005B 552203 2 VALVE SERVICE 2A00392N 2A00392N 2 00392 2H01890P 2H01890P 5220A20006J W0CZZ 2 CAPACITOR DRAWING 2A00986Z 2 01451 6120AR2194F 6120AR2194K 6120AR2194K 2A00986Y R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com Service Manual 73 Replacement Parts List
35. 1M R 135314 GRILLE ASSEMBLY INLET MIRROR 3531A20290E 3531A20232B 3531A20290E 3531A20290E 3531A20290E R BLUE 3531A20290B 3531A20290B R WHITE 3531A20290D 3531A20244E R WOOD 3531 20244 3531A20290C R METAL 3531 20290 3531A20244A 3531 20290 3531A20290A R CHERRY 3531A20290F R 135516 COVER ASSEMBLY MOTOR 3551 20099 3551A20099N 3551A20099M 3551A20099N 3551A20099N R 145200 LINK 4520A20008A 4520A20008A 4520A20008A 4520A20008A 4520A20012A R 145201 LINK 4520A20027A 4520A20027A 4520A20027A 4520A20027A R 146811 MOTOR ASSEMBLY STEP 4681 20055 4681A20055A 4681A20055A 4681A20055A 4681A20055A R 146811 MOTOR ASSEMBLY STEP 4681A20055D 4681A20055D 4681A20055D 4681A20055D 4681A20055D R 152302 FILTER MECH A C 5230 20047 5230A20047A 5230A20047A 5230A20047A 5230A20047A R 159830 AIR CLEANER ASSEMBLY 5983A20010E 5983A10006X 5983A20010E 5983A20010G 5983A25004K R 159901 VANE HORIZONTAL 5990 20042 5990A20042B 5990A20042B 5990A20042B 5990A20042B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20379R 4995A20379V 4995A20379J 4995A20486C 4995A20313V R 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H R 264110 POWER CORD ASSEMBLY 641 1A20026V 6411A20026Z 641 1A20026V 6411A20026W 6411A20026W R 266090 H V ASSEMBLY 6609A10005D 6609A10005A 6609A10005D 6609A10005D 6609A10005D
36. 2 PANEL ASSY REAR 3721A20114F 3720AP0003D 3720AP0003D 3720AP0003D R 447910 BARRIER ASSEMBLY OUTDOOR 4791A20023A 2H02110M 2H02110M 2H02110M R 546810 MOTOR ASSEMBLY OUTDOOR 4681A20028T 4681A20008B 4681A20013D 4681A20013D R 550140 ISOLATOR COMP 5040A30017B 5040A30017B 5040A30017B R GROMMET 4022U L005A R 552102 TUBE CAPILLARY BEND 5210A21238T 5210A21238W 5210A21238V R 552111 TUBE ASSEMBLY CAPILLARY 5211A10242H f 5211A10039Q R 552116 TUBE ASSEMBLY REVERSING 5211A30042W s 5211A20529L R 552201 VALVE CHECK s 3A01020H R 552202 VALVE REVERSING 3 02027 3A02027A R 554031 CONDENSER ASSEMBLY BENT 5403A20164B 5403A20022R 5403A10013B 5403A10013B R 554160 COMPRESSOR 2520UHFK2DB 5417A20012N 5416A20016F 5416A20016F R 559010 FAN ASSEMBLY PROPELLER 5901A10032B 1A00195B 1A00195B 1A00195B R 561410 COIL ASSEMBLY REVERSING VALVE s 6141AR3733F 3A02028Y R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A20261X 4995A10059A 4995A10042E 4995A11002B R 552102 1 TUBE CAPILLARY BEND Y 5210A21238J R 552102 2 TUBE CAPILLARY BEND i 5424AR3479F R 552203 1 VALVE SERVICE 5220A20002C 2A00393C 2A00392N 5220A20002A R 552203 2 VALVE SERVICE f 5220A20002A 2A00392N R 552203 3 VALVE SERVICE 2A00392E 2A00392N i R W0CZZ CAPACITOR DRAWING 2A00986Y 6120AR2359U 2A00986Y 2A00986Y R NOTE Please ensure GCSC since these parts may be changed d
37. 2463 M0 LS H2463 M3 LS H1823 M0 LS H2423 M0 AS H2463 M0 Cooling Capacity Btu h Heating Capacity 18 000 24 000 18 000 24 000 22 500 19 000 24 000 19 000 24 000 22 500 Moisture Removal l h 2 3 2 3 3 Power Source 1 220 240 50 1 220 240 50 1 220 60 1 220 60 1 220 240 50 Air Circulation Indoor Outdoor 13 15 5 13 15 5 15 5 42 48 34 48 48 Noise Level Indoor Outdoor 40 44 40 44 44 51 55 51 55 55 Input Cooling Heating W 1 860 2 700 1 860 2 500 1 870 2 650 1 730 2 500 Running Current Cooling Heating A 9 2 12 6 8 5 12 11 0 9 2 12 6 8 1 12 11 0 E E R Cooling Btu hW 9 7 8 9 9 68 9 5 9 C O P Heating 2 98 2 65 3 2 2 78 2 65 Motor Output Indoor Outdoor 26 7 26 7 15 7 30 26 7 61 82 9 45 67 2 82 9 Dimensions WxHxD Indoor Outdoor 1170 315 170 1170 315 170 1170 315 170 1170 315 170 1170 315 170 870 655 320 870 655 320 801 555 262 870 655 320 870 655 320 Net Weight Indoor Outdoor 13 28 7 13 28 7 13 28 7 13 28 7 13 28 7 60 132 60 132 38 60 132 60 132 Refrigerant g 1310 1500 1
38. 35 C 95 F 4 5kg cm G 56 8 71 0 P S 1 G Use 2 AAA 1 5volt batteries Do not use R A10A 35 C 95 F 8 5 9 5kg cm G 120 135 5 1 6 rechargeable batteries Remove the batteries from the remote If the actual pressure is higher than shown control if the system is not going to be the system is most likely over charged and used for a long time charge should be removed If the actual pres sure are lower than shown the system is Settlement of outdoor unit most likely undercharged and charge should Anchor the outdoor unit with a bolt and be added nut 10mm tightly and horizontally on a concrete The air conditioner is now ready for use or rigid mount When installing on the wall roof or rooftop anchor PUMP DOWN the mounting base securely with a nail or wire assuming the influence of wind and earthquake n the case when the vibration of the unit is con veyed to the hose secure the unit with an anti vibration bushing This is performed when the unit is to be relocated or the refrigerant circuit is serviced Pump Down means collecting all refrigerant in the outdoor unit without loss in refrigerant gas CAUTION Be sure to perform Pump Down procedure with the unit cooling mode Pump Down Procedure 1 Connect a low pressure gauge manifold hose to the charge port on the gas side service valve 2 Open the gas side service valve halfway and purge the air from the manifold hose using the
39. 360 1470 1480 Airflow Direction Control Up amp Down L C D Wireless L C D Wireless L C D Wireless L C D Wireless L C D Wireless Service Valve Liquid Gas inch mm 1 4 6 35 3 8 9 52 1 4 6 35 3 8 9 52 3 8 9 52 1 2 12 7 5 8 15 88 5 8 15 88 5 8 15 88 5 8 15 88 Sleeping Operation Drain Hose O Connecting Cable p mm 14 3 1 5 12 3 2 5 14 3 1 5 12 3 2 5 12 3 2 5 Power Cord p mm 60 Room Air Conditioner 14 3 1 5 12 3 2 5 14 3 1 5 12 3 2 5 12 3 2 5 Table 2 ltem Model Name Unit LS C1863 M0 LS C1863 M3 LS C2463 M1 LS C2463 M0 LS C2463 M3 LS C2463 M4 LS C1823 M1 LS C1823 M0 LS C1823 M2 Product Specifications LS C2423 M0 AS H1863 M0 AS H1863 M3 AS H2463 MO AS H2463 M3 Cooling Capacity Btu h Heating Capacity 18 000 24 000 18 000 18 000 24 000 18 000 24 000 18 900 24 500 Moisture Removal l h 2 3 2 2 3 2 3 Power Source V Hz 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 Nn Indoor Air Circulation Outdoo m min r 13 15 5 13 13 13 15 5 42 48 34 48 42 48 Indoor Noise Level Outdoo dB
40. 63 M3 ICN MOTOR MAIN PCB LS H1863 M3 LS H2463 M3 ASM TRIAC THERMISTOR CN TH1 WH SH CAPA BL DISPLAY N CN TAB2 CN TAB1 UR BL CN U D WH CN DISP1 CN FUSE 3 AC250V T2A CN HVB OD RY 4WAY oo TERMINAL BLOCK GN YL GN YL FORCED d 9 6 566 6 CN MAIN CONNECTOR OPERATON PWB ASM SW TO OUTDOOR UNIT CN MOTOR CN STEP1 CN STEP LIMIT S W 1 Fo1 Fo MAIN PCB ASM TRIAC CN DISP1 CN TH1 WH CN TAB2 CN TAB1 CN U D WH ICN UR BL I FUSE 3 AC250V T2A 3854 20576 THERMISTOR DISPLAY STEP MOTOR OPTION o X RY COMP CN HVB 1 TERMINAL BLOCK FORCED OPERATON SW CONNECTOR PWB ASM LIMIT S W 1 CNSTEP CNSTEP2 Sorte iei SUC SUC
41. 634420244 3531A20290D 2531420244 3591A2024E 35314202900 R woo Tenue 3531A20244C TAG R METAL 3531AQ0244A 3531A20244A 3531A20290A 3531A20244A 3531A20244A 35314202908 R CHERRY 3531420000 3531A202440 2 R 135516 COVER ASSEMBLY MOTOR 3551A20099N 3551A20099N 3551A20099N 3551A20099N 3551A20099M 355TA20000N 3551400098 R 145200 LINK 4520A20008A 4520420008A 4520A20008A 4520420008A 4520A20008A 45200200084 4520A20008A R 145201 LINK 4520A20027A 4520420027A 4520A20027A 45204200278 4520A20027A 45000200078 R 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 4681A20056A 4681A20055A 4681A2D0SSA 4681A20055A 4681A20055A R 146811 MOTOR ASSEMBLY STEP 4661A20055D 48814200550 28814200550 4681A20055D 4661A20055D 4681A20055D 4661A20055D 182302 FILTER MECH AIC 5230A20047B 5230 2004 5230A20047A 5230A20047A 5230A20047A 5230A20047A S230AZ0047A R 169830 AIR CLEANER ASSEMBLY 5083A10006X 5983A10006X 5983A10006X 5983A10006X 5983A10006U 5983 2001 5983A10006X R 159901 VANE HORIZONTAL 5000420428 59904200428 5000200428 509082028 59004200428 5990A20042B 5990A20042B R 29051 CONTROL BOX ASSEMBLY NDOOR 4995A20379K 4995A20370M 4995A20486P 4995A20379L 4995A20379M 4995A2048eK 49954208790 R 263230 THERWISTOR ASSEMBLY 6323A20004H 6E23A20004H 6323A20004H 6323A20004H 6323A20004H 6323A20004H 6323
42. 6871A20258E 733010 PLATE ASSEMBLY INSTALL 3301A10002A 3301A10002A WOCZZ 1 CAPACITOR DRAWING 3H01487G 3H01487G 268712 PWB PCB ASSEMBLY DISPLAY MIRRIOR R 6871A20463F 6871A20463F BLUE B 6871A20463B 6871A20463B METAL M 6871A20463B 6871A20463B WOOD D 6871A20463B 6871A20463B WHITE W 6871A20463B 6871A20463B 6871A20463B 6871A20463B 70 Room Air Conditioner Replacement Parts List PART No DESCRIPTION REMARKS i LS C2463 M4 131410 CHASSIS ASSEMBLY 3141A20012A 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20231F 135312 GRILLE ASSEMBLY FRONT INDOOR MIRRIOR R 3531A20291K BLUE B 3531A20291D METAL M 3531A20291B WOOD D 3531A20291F WHITE W 3531A20291H 3531 20291 135314 GRILLE ASSEMBLY INLET MIRRIOR R 3531A20290E BLUE B 3531A20290B METAL M 3531A20290A WOOD D 3531A20290C WHITE W 3531A20290D CHERRY C 3531A20290F 135516 COVER ASSEMBLY MOTOR 3551 20099 145200 LINK 4520A20008A 145201 LINK 4520A20027A 146811 MOTOR ASSEMBLY STEP 4681A20055A 146811 MOTOR ASSEMBLY STEP 4681A20055D 152302 FILTER MECH A C 5230A20047A 159830 AIR CLEANER ASSEMBLY 5983A25004L 159901 VANE HORIZONTAL 5990A20042B 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20486M 263230 THERMISTOR ASSEMBLY 6323A20004H 264110 POW
43. 7 5 8 15 88 Sleeping Operation O O O O O O 0 Drain Hose O O O O O O 0 Connecting Cable p mm 14 3 1 5 12 3 2 5 14 3 1 5 14 3 1 5 12 3 2 5 14 3 1 5 12 3 2 5 Power Cord p mm 14 3 1 5 12 3 2 5 14 3 1 5 14 3 1 5 12 3 2 5 14 3 1 5 12 3 2 5 Service Manual 61 Exploded View AS H2463 M3 LS C2463R W B D M CMO M3 AS H2463 M0 AS H2463R D M WM1 M4 LS H2463WM3 MO RM1 LS C1823RM1 LS H1863 M1 AS H1863 LS C1823R W B D M CMO LS H1823R W B D M CMO C1863 M3 LS C2463 M CN0 LS H1863R W B D M CMO AS H1863 Se vd A zzog x ceo co co co ON cO cO lt st st cO CN CN CN Joi U U U 2l Outdoor Unit LS C1863R W B D Service Manual 63 Exploded View Outdoor Unit LS C2423R W B D M CMO LS C1823R W B D M CM2
44. 79F R 552102 Tube Capillary Bending 5210A21238V 5210A31405C R 552102 1 Tube Capillary Bending 5210A21238J R 447910 Barrier Assembly Outdoor 2H02110M 2H02110M 4791AR7047A R 549610 Bracket Assembly Motor Outdoor 4961A20003D 4961A20003D 1H00838A R 546810 Motor Assembly AC Outdoor 4681A20013D 4681A20013D 4681A20126A R 559010 Fan Assembly Propeller 1A00195B 1A00195B 5900AR1119B R 437212 Panel Assembly Rear Outdoor 3720AP0003D 3720AP0003D 1H00697M R 649950 Case Assembly Control Outdoor 4995A10042E 4995A11002B 4995A91459M R WOCZZ 2 Array Capacitor 2A00986Y 2A00986Y R 561410 Solenoid 3A02028Y R 437211 Panel Assembly Front Outdoor 3721A20005H 3721A20005H 2H02674V R 435301 Grille Discharge 3530A20007B 3530A20007B 1H00840C R 435511 Cover Assembly Control Outdoor 3551A30018W 3551A30007X 3551A20030C R 435512 Cover Assembly Top Outdoor 3H03266K 3H03266K 3H03465D R 552116 Tube Assembly Reverse 5211A20529L R 552202 Valve Reverse 3A02027A R 430411 Base Assembly Weld Outdoor 3041 20022 3041A20022G 3041A10045B R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com Service Manual 77 Replacement Parts List PART No DESCRIPTION REMARKS LSUC2463UM4 430410 BASE ASSEMBLY WELD OUTDOOR 3041A20022G 435301 GRILLE DISCHARGE 3530A2
45. A 2A00392N 2H02200E 52008200058 R 552203 2 VALVE SERVICE 5220A20001R 5220A20001R 5220A20002A 2A00392N 2H01890P R 554031 CONDENSER ASSEMBLY BENT 5403A20022R 5403A20066F 5403A10013B 5403A20072Q 5403 20205 R 554160 COMPRESSOR SET 2520UXFP2AA 2520UXFP2BA 5416A20016F 2520UMDK2JA 2520UHFPEA 559010 FAN ASSEMBLY PROPELLER 1A00195B 1A00195B 1A00195B 5900AR1119B 5901A10032 R 561410 COIL ASSEMBLY REVERSING VALVE 3A02028Y 3A02028Y 3A02028Y R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10002L 4995A10167A 4995 10042 4781AR1459P 490542020618 R WOCZZ CAPACITOR DRAWING 2h00986Y 2A00986Y 2400986 2A00986Z zum NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz L Gservice com 74 Room Air Conditioner Replacement Parts List PART No En DESC HEATON ASUH1863UM3 ASUH2463UM3 REMARKS AS H186 M3 AS H246 M3 430410 BASE ASSEMBLY WELD OUTDOOR 3041A30003F 3041A30003H 435304 GRILLE DISCHARGE 3530A20007B 3530A20007B 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A30018N 3551A30007X 435512 COVER ASSEMBLY TOP OUTDOOR 3H03266K 3H03266K 437210 PANEL ASSEMBLY FRONT OUTDOOR 3721A20005H 3721A20005H 437212 PANEL ASSEMBLY REAR OUTDOOR 3720AP0003D 3720AP0003D 447910 BARRIER ASSEMBLY
46. A20004H R 784110 POWER CORD ASSEMBLY 6411A20026V 6411A20026W 3H03671G 6411A20028V GATIAGOUDIK 6411A20026W 64114200262 R 266080 HV ASSEMBLY 6609A10005A 6609A10005A 6609A10005A 6609A10005A 6609A10005A 6609A10005D 6609A10005A R 287110 REMOTE CONTROLLER ASSEMBLY ema 6711A20073Y 67 1 200912 6711A20077U 6711A20073Y 6711A20073Y 6711420486 R 28872 PIWBPCB ASSEMBLY DISPLAY 687 1A20463B 6871A20463A 6871A20463F 6871A204635 6871A20463A 6671A20463A R 268714 PWBIPCB ASSEMBLY MAIN 6871A10143Q Sms Tenuen GETIATOMOR gun 6B71A10143V 68711043V R 342800 BEARING 4280A20004A 4280A20004A 428020004A 4280A20004A 4280A20004A 4280200048 42804200044 R 342800 BEARING 4280A20006D 42804200060 42808200000 R 346810 MOTOR ASSEMBLY INDOOR 4681A20003B 46814200038 4681A20003B 4681420067A 4681A20067A 4681A20067C 4681A20067C R 352118 TUBE ASSEMBLY TUBING 5211A30439A 5211A30439A 5211A30439A 62114300382 521190087 5211A30038Z 52118300287 R 352150 HOSE ASSEMBLY DRAIN BOSIARIZZOR 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20211B 5421A20211B 5421A20211A 5421A20211B 5421A20211A 5421A20211A aam R 359011 FAN ASSEMBLY CROSS FLOW 5901A20017C 5901A20017C 5901A20017C ona 5901A20017C 5901420017 R 668713 PWB PCB ASSEMBLY SUB 6871A20259A 6871A2
47. A20291H 3531 20291 3581A20303R 135314 GRILLE ASSEMBLY INLET MIRRIOR R 3531A20290E BLUE B 3531A20290B METAL M 3531A20290A WOOD D 3531A20290C WHITE W 3531A20290D 3531 20290 3531 20290 135516 COVER ASSEMBLY MOTOR 3551A20099N 3551A20099N 145200 LINK 4520A20008A 4520A20008A 145201 LINK 4520A20027A 4520A20027A 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 146811 MOTOR ASSEMBLY STEP 4681A20055D 4681A20055D 152302 FILTER MECH A C 5230A20047A 5230A20047A 159830 CLEANER ASSEMBLY 5983A25004L 5983A25004L 159901 VANE HORIZONTAL 5990A20379X 5990A20042B 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20486B 4995A20486B 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 264110 POWER CORD ASSEMBLY 6411A20026W 6411A20026W 266090 H V ASSEMBLY 6609A10005D 6609A10005D 267110 REMOTE CONTROLLER ASSEMBLY 6711A90032U 6711A90032U 268714 PWB PCB ASSEMBLY MAIN 6871A10056B 6871A10056B 342800 BEARING 4280A20004A 4280A20004A 346810 MOTOR ASSEMBLY INDOOR 4681A20067C 4681A20067C 35211B TUBE ASSEMBLY TUBING 5211A30038Z 5211A30038Z 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A14007A 5211A14007A 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211A10474B 5211A10474B 352150 HOSE ASSEMBLY DRAIN 5251AR1222R 5251AR1222R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20211B 5421A20211B 35901 1 FAN ASSEMBLY CROSS FLOW 5901A20017C 5901A20017C 668713 PWB PCB ASSEMBLY SUB 6871A20259A 6871A20259A 668713 PWB PCB ASSEMBLY SUB 6871A20258E
48. Bundle the piping and drain hose together by wrap ping them with vinyl tape for enough to cover where they fit into the rear piping housing section Installation Connecting cable Drain hose 3 0D Indoor unit tubing Flare nut Pipes Wrench Adhesive Vinyl tape narrow Plastic bands Insulation material UL AE L CL 7 Connection ncc d unit pipe Vinyl tape wide Wrap with vinyl tape Connecting cable Pipe Vinyl tape narrow Wrap with vinyl tape Drain hose Service Manual 17 Installation For left rear piping 1 Route the indoor tubing and the drain hose to the required piping hole position 2 Insert the piping drain hose and the connecting cable into the piping hole 3 Insert the connecting cable into the indoor unit Don t connect the cable to the indoor unit Make a small loop with the cable for easy connec tion later 4 Tape the drain hose and the connecting cables 5 Indoor unit installation Hang the indoor unit from the hooks at the top of the installation plate Insert the spacer etc between the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall Connecting the piping to the indoor unit and the drain hose to drain pipe 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2
49. Chang won R410A Z Brazil C Chang won R407C D Indonesia T China X Mexico U China R410A V Vietnam K Turkey R22 S Out Sourcing E Turkey R410A H Thailand 2 Product Type A Z S Split Type Air Conditioner 3 Cooling Heating Inverter A Z C Cooling only V AC Inverter C O H Heat pump N AC Inverter H P X C O E Heater Q DC Inverter C O Z H P E Heater W DC Inverter H P 4 5 Capacity 0 9 Cooling Heating Capacity Ex 09 9 000 Btu h 6 Electric Range 1 9 1 115V 60Hz A 220V 50Hz 3Phase 2 2 220V 60Hz 208 230V 60Hz 3Phase 3 208 230V 60Hz C 575V 50Hz 3Phase 5 200 220V 50Hz D 440 460 60Hz 3Phase 6 220 240V 50Hz E 265V 60Hz 7 110V 50 60Hz F 200V 50 60Hz 8 380 415V 50Hz 9 380 415V 60Hz 7 Chassis 1 9 Name of Chassis of Unit Ex 3 gt S3 Chassis 8 Look A Z Look Color Artcool Model 9 Function A Z Basic A Basic 4Way B Plasma Filter Plasma Filter 4 Way D Tele LCD E Tele LCD Nano plasma 4Way F Nano Plasma F A changeover A clean Low A G Nano Plasma F A changeover A clean 4way Low A H Tele LED 4way l Internet J Plasma F 4Way Oxy generator K Nano Plasma F A changeover A clean L Nano Plasma F A changeover A clean 4way M Nano Plasma F A changeover A clean PTC N Nano Plasma F A changeover Autoclean 4way PTC P Nano Plasma F A changeover A clean 4way Low Q Negative ION A Clean R Nano Plasma Negative ION A Clean s 4way Nano Plasma F Negative ION Healthy dehumidification A Clean T
50. D ASSEMBLY 6411A20026C 6411A20026C 6411A30001K 6411A20026V 6411A20026W R 266090 H V ASSEMBLY 6609A10005A 6609A10005A 6609A10005A 6609A10005D 6609A100050 R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20077U 6711A20073Y 6711A20077U 6711A20073Y 6711A20073Y R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20463A 268714 PWB PCB ASSEMBLY MAIN 6871A10143M 6871A10143L 6871A10143P 6871 10056 6871A10143T 342800 BEARING 4280 20004 4280A20004A 4280A20004A 4280A20004A 4280 20004 R 346810 MOTOR ASSEMBLY INDOOR 4681A20003F 4681A20003F 4681A20067A 4681A20067A 4681420067 R 35211B TUBE ASSEMBLY TUBING 5211A30439D 5211A30439D 5211A30439D 5211A30439D 5211A30038Z R 352150 HOSE ASSEMBLY DRAIN 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 5251AR1222R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20211B 5421A20211B 5421A20211A 5421A20211B 54214202118 R 359011 FAN ASSEMBLY CROSS FLOW 5901A20017C 5901A20017C 5901A20017C 5901A20017C 5901A20017C 668713 PWB PCB ASSEMBLY SUB 6871A20259A 6871A20259A 6871A20259A 6871A20259A 6871A20259A R 668713 PWB PCB ASSEMBLY SUB 6871A20258C 6871A20258C 6871A20258C 6871A20258C 6871A20258E R 733010 PLATE ASSEMBLY INSTALL 3301 10002 3301A10002A 3301A10002A 3301 10002 3301 10002 T R WOCZZ CAPACITOR DRAWING 3H01487G 3H01487G 3H01487G 3H01487G R NOTE Please ensure GCSC since the
51. EL ASSEMBLY REAR OUTDOOR 3721A20114F 447910 BARRIER ASSEMBLY OUTDOOR 4791A20023C 546810 MOTOR ASSEMBLY OUTDOOR 4681A20028P 549610 MOUNT ASSEMBLY MOTOR OUTDOOR 4961A20017B 550140 GROMMET 4022U L005A 552102 TUBE CAPILLARY BEND 5210A31655F 552116 TUBE ASSEMBLY REVERSING 5211A20270R 552202 VALVE REVERSING 3A02027G 552203 1 VALVE SERVICE 5220A20005B 552203 2 VALVE SERVICE 2H01890P 554031 CONDENSER ASSEMBLY BENT 5403A20205A 554160 COMPRESSOR SET 2520UHFP2EA 559010 FAN ASSEMBLY PROPELLER 5901A10032A 561410 COIL ASSEMBLY REVERSING VALVE 3A02028Y 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A90261R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 76 Room Air Conditioner Replacement Parts List PART No arial DESCRIPTION REMARKS LSUC2463UM3 LSUH2463UM3 LSUC1863UM3 552203 2 Valve Service 5220 20002 2A00392N 5220A20005B R 554031 Condenser Assembly Bending 5403A10013B 5403A10013B 5403A20072M R 554160 Compressor 5416A20016F 5416A20016F 2520UHCP2CA R 550140 Damper Compressor 5040A30017B 5040A30017B R 550140 Damper 4022U L005A R 552203 1 Valve Service 2A00392N 5220A20002A 2H01890P R 552111 Tube Assembly Capillary 5211A10039Q 5211A20291J R 552201 Valve Check 3A01020H R 552102 2 Tube Capillary Bending 5424AR34
52. ER CORD ASSEMBLY 6411A20026V 266090 H V ASSEMBLY 6609A10005D 267110 REMOTE CONTROLLER ASSEMBLY 6711A90032U 268714 PWB PCB ASSEMBLY MAIN 6871A10056J 342800 BEARING 4280A20004A 346810 MOTOR ASSEMBLY INDOOR 4681A20067C 35211B TUBE ASSEMBLY TUBING 5211A30439D 352115 TUBE ASSEMBLY EVAPORATOR IN 5211 14007 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211A10474A 352150 HOSE ASSEMBLY DRAIN 5251AR1222R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20211B 359011 FAN ASSEMBLY CROSS FLOW 5901A20017C 668713 PWB PCB ASSEMBLY SUB 6871A20259A 668713 PWB PCB ASSEMBLY SUB 6871A20258E 733010 PLATE ASSEMBLY INSTALL 3301A10002A W0CZZ CAPACITOR DRAWING 3H01487G 268712 PWB PCB ASSEMBLY DISPLAY MIRRIOR R 6871A20463F BLUE B 6871A20463B 6871A20463B WOOD D 6871A20463B WHITE W 6871A20463B CHERRY C 6871A20463B Service Manual 71 Replacement Parts List Outdoor Unit LOCATION DESCRIPTION s REMARKS No LS C2423 M0 LS H2423 MO 1 2463 15 2463 0 430410 BASE ASSEMBLY WELD OUTDOOR 3041A10027C 3041A20022G 3041A20022G 3041A20022G R 435301 GRILLE DISCHARGE 3530A20007J 3530A20007B 3530A20007B 3530A20007B R 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A30079M 3551A30007X 3551A30018W 3551A30007X R 437210 PANEL ASSEMBLY FRONT OUTDOOR 3721A20113A 3721A20005H 3721A20005H 3721A20005H R 43721
53. OUTDOOR 2H02110M 2H02110M 546810 MOTOR ASSEMBLY OUTDOOR 4681A20013A 4681A20013D 549610 MOUNT ASSEMBLY MOTOR OUTDOOR 4961A30002A 4961A20003D 550140 ISOLATOR COMP 4H00982E 4H00982E 552102 TUBE CAPILLARY BEND 5210 30216 552102 1 TUBE CAPILLARY BEND 5210A31380A 552102 2 TUBE CAPILLARY BEND 5A24AR3479V 552111 TUBE ASSEMBLY CAPILLARY 5211A10039P 5211A10039U 552116 TUBE ASSEMBLY REVERSING 5211A20529N 5211A20529M 552201 VALVE CHECK 5220A30004A 5220A30004A 552202 VALVE REVERSING 5220AR3228C 5220AR3228C 552203 1 VALVE SERVICE 5220A20005B 5220A20013C 552203 2 VALVE SERVICE 5220A20006J 5220A20001R 554031 CONDENSER ASSEMBLY BENT 5403A20022R 5403A20022R 554160 COMPRESSOR SET 2520UTEP2AA 2520UXFP2AA 559010 FAN ASSEMBLY PROPELLER 1A00195B 1A00195B 561410 COIL ASSEMBLY REVERSING VALVE 3A02028G 3A02028Y 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10002X 4995A10002L WOCZZ 2 CAPACITOR DRAWING 2A00986Y 2A00986Y NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com Service Manual 75 Replacement Parts List PART No ae DESCRIPTION REMARKS LSUH1863UM3 430410 BASE ASSEMBLY WELD OUTDOOR 3041A10027A 435301 GRILLE DISCHARGE 3530A20007J 43551 1 COVER ASSEMBLY CONTROL OUTDOOR 3551A30079N 437210 PANEL ASSEMBLY FRONT OUTDOOR 3721A20113A 437212 PAN
54. Tighten the flare nut with a wrench Outside diameter Torque mm inch kg m 06 35 1 4 1 8 09 52 3 8 4 2 912 7 1 2 5 5 015 88 5 8 6 6 3 When extending the drain hose at the indoor unit install the drain pipe 18 Room Air Conditioner 8cm Indoor unit tubing Flare nut Pipes Adhesive Vinyl tape narrow Wrap the insulation material around the connect ing portion 1 Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material Bind them together with vinyl tape so that there may be no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape 3 Bundle the piping and drain hose together by wrap ping them with cloth tape over the range within which they fit into the rear piping housing section Reroute the pipings and the drain hose across the back of the chassis Indoor unit installation 1 Remove the spacer 2 Ensure that the hooks are properly seated on the installation plate by moving it left and right 3 Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound Installation Plastic bands Insulation material 10 io du ndoor pipe unit piping Vinyl tape with vinyl tape wide Pipe Vinyl tape narrow Connecting cable P
55. Tube Assembly Evaporator In 5211A14007B 5211A14007A 5211A14007B R 352116 Tube Assembly Evaporator Out 5211A10474B 5211A10474A 5211A10474A R 35211B Tube Assembly Tubing 5211A30038Z 5211A30439D 5211A30439D R 249951 Case Assembly Control Indoor 4995A20379N 4995A20379J 4995A20379H R 264110 Power Cord 6411A20026W 6411A20026V 6411A20026V R 263230 Thermistor NTC 6323A20004H 6323A20004H 6323A20004H R 266090 HVPS DC DC 6609A10005D 6609A10005D 6609A10005D R 268714 PCB Assembly Main 6871A10143T 6871A10056L 6871A10056K R WOCZZ 1 Capacitor Film Box 3H01487G 3H01487G 3H01487G R 352150 Hose Assembly Drain 5251AR1222R 5251AR1222R 5251AR1222R R 135311 Grille Assembly Discharge Indoor 3531A20231F 3531A20231F 3531A20231F R 146811 Motor Assembly DC Stepping 4681A20055A 4681A20055A 4681A20055A R 159901 Louver Horizontal 5990A20042B 5990A20042B 5990A20042B R 135316 Grille Assembly Front Indoor B BLUE 3531A20291L 3531A20291D 3531A20291C R C CHERRY 3531A20291G 3531A20291M 3531A20291L R D WOOD 3531A20291A 3531A20291F 3531A20291E R METAL 3531A20291E 3531A20291B 3531A20291A R R MIRRIOR 3531A20291C 3531A20291K 3531A20291J R W WHITE 3531A20291J 3531A20291H 3531A20291G R 135314 Grille Assembly Inlet B BLUE 3531A20290F 3531A20290B 3531A20290B R C CHERRY 3531A20290D 3531A20290F 3531A20290F R D WOOD 3531A20290A 3531A20290C 3531A20290C R METAL 3531A20290C 353
56. a tion material so that dripping from sweat ing condensation will not damage furniture or floors Foamed polyethylene or equivalent is rec ommended 16 Hoom Air Conditioner Tape Connecting VO pipe Drain hose Connecting cable 4 Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure that the hooks are prop erly seated on the installation plate by moving it left and right Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound Connecting the piping to the indoor unit and drain hose to drain pipe 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench Outside diameter Torque mm inch kom 6 35 1 4 1 8 09 52 3 8 4 2 912 7 1 2 5 5 015 88 5 8 6 6 3 When extending the drain hose at the indoor unit install the drain pipe Wrap the insulation material around the connect ing portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there may be no gap Wrap the area which accommodates the rear piping housing section with vinyl tape
57. all More than 5cm 1 More than 10cm More than AN a 5cm More than 23m wN CAUTION Install the indoor unit on the wall where the height from the floor is more than 2 meters Outdoor unit 1 awning is built over the unit to prevent direct sunlight or rain exposure make sure that heat radia tion from the condenser is not restricted Ensure that the space around the back and sides is more than 10cm The front of the unit should have more than 70cm of space Do not place animals and plants in the path of the warm air Take the weight of the air conditioner into account and select a place where noise and vibration are min imum Select a place where the warm air and noise from the air conditioner do not disturb neighbors 12 Room Air Conditioner fre than 60cm vw More than 10cm More than 10cm More than 70cm 24 Installation Capacity Pipe Size Standard Max Max Additional Btulh Length Elevation Length Refrigerant Buh GAS LIQUID m B m A m am 38952 140635 40 75 7 15 20 1 2 127 1 4 26 35 40 75 7 15 20 1 2 127 1 4 26 35 40 75 15 30 20 18k 28k 5 8 015 88 1 4 26 35 40 75 15 30 20 5 8 015 88 3 8 29 52 40 75 15 30 30 39 01586 38 00952 75 15 30 30 34 019 05 3 8 29 52 75 15 30 50 Indoor unit
58. e setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp Compressor OFF Temp gt Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C lt Intake Air Temp gt Intake Air Temp 0 5 C Intake Air Temp lt 20 C gt 20 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is set to the high or the medium according to the intake air temperature and the setting temperature Airflow Speed Selection The airflow speed of the indoor fan is set to high medium low or chaos by the input of the airflow speed selec tion key on the remote controller On Timer Operation When the set time is reached after the time is input by the remote controller the appliance starts to operate The timer LED is on when the on timer is input It is off when the time set by the timer is reached H the appliance is operating at the time set by the timer the operation continues E Off Timer Operation When the set time is reached after the time is input by the remote controlle
59. e between intake and discharge air and operating current Temp Difference Operating Current Temp difference Current approx 0 C less than 80 of rated current Temp difference Current approx 8 C less than 80 of rated current Temp difference less than 8 C Current over the reated current Temp difference over 8 C All amount of refrigerant leaked out Check refrigeration cycle Refrigerant leakege Clog of refrigeration cycle Defective compressor Excessive amount of refrigerant Normal Temperature difference between intake and discharge air depends on room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower tem perature difference is larger 2 Check temperature and pressure of refrigeration cycle Suction pressure Compared with the normal value Temperature Compared with the normal valve Cause of Trouble Description Defective compressor Current is low SR Defective 4 way reverse valve Higher Excessive amount of High pressure does not quickly Normal refrigerant rise at the beginning of operation Insufficient amount of Current is low Lower Higher refrigerant Leakage Clogging Current is low 1 The suction pressure is usually 4 5 6 0 kg cm G Cooling at normal condition 2 The temperature ca
60. e end of the drain outlet should be routed above the ground Secure the drain hose appropriately 2 cases where the outdoor unit is installed below the indoor unit perform the following Tape the piping drain hose and connecting cable from down to up Secure the tapped piping along the exterior wall using saddle or equivalent Seal small openings around pipings with a gum type sealer Trap is required to prevent water from entering into electrical parts 3 In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the piping and connecting cable from down to up Secure the taped piping along the exterior wall Form a trap to prevent water entering the room Fix the piping onto the wall by saddle or equiva lent Seal a small opening around the pipings with gum type sealer L lt SE lt RS gt SNES Ya RS Installation Li Air and moisture remaining in the refrigerant system have undesirable effects as indicated below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture in the refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrig eration system Therefore the refrigerant system must be leak test ed and evacuated to remove any noncondensables and moisture from the
61. en cylinder When the system pressure is reduced to normal disconnect the hose from the cylinder Indoor unit Nitrogen gas cylinder in vertical standing position Service Manual 25 Installation Gas side Soap water method 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 way valve 3 To open the 2 way valve turn the valve stem coun terclockwise approximately 90 wait for about 2 3 sec and close it 4 Apply a soap water or a liquid neutral detergent on ees the indoor unit connection or outdoor unit connec 2 tions by a soft brush to check for leakage of the connecting points of the piping 5 If bubbles come out the pipes have leakage way valve Open Cap 3 Evacuation Connect the charge hose end described in the pre ceding steps to the vacuum pump to evacuate the tubing and indoor unit Confirm the Lo knob of the manifold valve is open Then run the vacuum pump The operation time for evacuation varies with tub ing length and capacity of the pump The following table shows the time required for evacuation Indoor unit Required time for evacuation when 30 gal h vacuum pump is used If tubing length is less than 10m if tubing length is longer than 10m 33 ft 33 ft 10 min or more 15 min or more When the desired vacuum is reached close the Lo knob of the ma
62. epending upon the buyer s request GCSC WEBSITE http biz L Gservice com 72 Room Air Conditioner Replacement Parts List SE DESCRIPTION PART No REMARKS No LS C1823 M0 LS H1823 M0 LS C1823 M2 LS C1863 M0 LS H1863 M0 5 1863 0 430410 BASE ASSEMBLY WELD OUTDOOR 2H02079T 2H02079T 3041A10027P 3041A20022G 3041A20022G 3041A30003F 435301 GRILLE DISCHARGE 1H00840C 1H00840C 3530A20007J 3530A20007B 3530A20007B 3530A20007B 435511 COVER ASSEMBLY CONTROL OUTDOOR 3551A20030C 3551A20030D 3551A30079A 3551A20215F 3551A30007X 3551A30018N 435512 COVER ASSEMBLY TOP OUTDOOR 3H03465J 3H03465J 3H03266K 3H03266K 3H03266K R 437210 PANEL ASSEMBLY FRONT OUTDOCR 2H02674V 2H02674V 3721A20260A 3721A20004G 3721A20005H 3721A20005H 437212 PANEL ASSY REAR 1H00697M 1H00697W 3721A20114F 3720AP0003Z 3720AP0003D 3720APOO03D 441910 BARRIER ASSEMBLY OUTDOOR 4791ARTO4TA 3H03466K 3791A20023C 2H02110M 2H02110M 2H02110M R 546810 MOTOR ASSEMBLY OUTDOOR 468 1AR1392R 4681AR1392R 4681A20028E 4681A20013S 4681A20013S 4681 20013 R 550140 ISOLATOR COMP 4H00982E 4H00982E 4H00982E 5040A30017B 5040A30017B 4H00982E R 552102 TUBE CAPILLARY BEND 9210A31442C 5210A30041Y T I R 552111 TUBE ASSEMBLY CAPILLARY 5211A21202B 521
63. ervice port erant until the gauge indicates 0 5 to 1 kg cm G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too suddenly the refrigeration oil will also be discharged 44 Hoom Air Conditioner Evacuation All amount of refrigerant leaked Troubleshooting Guide Outdoor unit e Procedure 1 Connect the vacuum pump to the center hose of charge set center hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Service Manual 45 Troubleshooting Guide Gas Charging After Evacuation Outdoor unit Check valve Charging cylinder e Procedure 1 Connect the charge hose to the charging cylinder Connect the charge hose which you dis con nected from the vacuum pump to the valve at the bottom of the cylinder If you are using a gas cylinder also use a This is different from previous procedures Because you are charging with liquid ref
64. ff signal from micom pin14 Check Voltage of CN Motor 1 2 is about 15V Turn ON Main Power Fan can t operate for dehumidifying mode Change operation for cooling mode Service Manual 51 Troubleshooting Guide When Louvers do not operate Confirm that the Louver is normally geared with the shaft of Stepping Motor If the regular torque is detected when rotating the Louver with hands Normal JL Check the connecting condition of CN UD LR1 LR2 Connector Check the soldering condition on PWB of CN UD LR1 LR2 Connector Lt Check the operating circuit of the Louvers Confirm that there is DC 12V between pin of CN UD and GND Confirm that there is a soldering short at following terminals Between 4 00 4 62 65 69 6 69 60 6 of MICOM Between D 0 b 42 of IC02M Between 4D 42 of IC03M Between 0 d db of IC04M Between of CN UD LR1 LR2 Lt If there are no problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Louvers 52 Hoom Air Conditioner Troubleshooting Guide When Heating does not operate Turn ON Main Power S Operate Heating Mode xx by setting the desired temperature of the remote control is higher
65. ing tool Outside diameter A mm inch mm 26 35 1 4 0 0 5 29 52 3 8 0 0 5 012 7 1 2 0 0 5 215 88 5 8 0 1 0 19 05 3 4 1 0 1 3 Service Manual 15 Installation Check 1 Compare the flared work with the figure by 2 flared section is defective cut it off and do flar ing work again Indoor 1 Prepare the indoor unit s piping and drain hose for installation through the wall 2 Remove the plastic tubing retainer see the illustra tion by and pull the tubing and drain hose away from chassis 3 Replace only the plastic tubing holder 1 not the holder 2 in the original position Smooth all round Inside is shiny without scratches 0 a Improper flaring Inclined Surface Cracked Uneven damaged thickness Even length all round For right rear piping 1 Route the indoor tubing and the drain hose in the direction of rear right 2 Insert the connecting cable into the indoor unit from the outdoor unit through the piping hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connec tion later 3 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the uper side can cause drain pan to overflow inside the unit CAUTION If the drain hose is routed inside the room insulate the hose with an insul
66. ipe Drain hose Vinyl tape narrow Wrap with vinyl tape wide Piping for passage through piping hole Connecting cable Service Manual 19 Installation CAUTION Installation Information For left piping Follow the instruction below Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from right to left may cause damage to the tubing 20 Room Air Conditioner Installation Outdoor Align the center of the pipings and sufficiently tighten the flare nut by hand Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Outside diameter Torque mm inch kg m 6 35 1 4 1 8 09 52 3 8 4 2 012 7 1 2 5 5 215 88 5 8 6 6 19 05 3 4 6 6 Outdoor unit Liquid side piping Smaller diameter Gas side piping Bigger diameter Torque wrench Service Manual 21 Installation Connect the cables to the indoor unit by connecting the wires to the terminals on the control board dividually according to the outdoor unit connection Ensure that the color of the wires of the outdoor unit and the terminal No are the same as those of the indoor unit Before connecting the cables to the terminal bl
67. is canceled Auto restart In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions If your want to use this operation press the Auto Restart Button Power Forced Operation Operation starts when this button is pressed and stops when you press the button again 2 H P Model high quality LCD remote controller supplied Operation Indicator On while in appliance operation off while in appliance pause Timer Indicator e On while in timer mode on off and in sleep timer mode off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control Plasma Indicator On while in plasma mode off while plasma mode is canceled Auto restart Indicator On while auto restart mode off while auto restart mode is canceled Auto restart In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions If your want to use this operation press the Auto Restart Button Power Forced Operation Operation starts when this button is pressed and stops when you press the button again Cooling Mode Operation When the intake air temperature reaches 0 5 C below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 C
68. lt 3sec P lt 3sec gt 3 Sti SE B En Communication line circuit Poor communication check 3sec 36 Room Air Conditioner The controls will look like the following Controls w Signal transmitter T q t PELA e amp HDD DZ SHE Oz am DALY ams Pu IB BB 5 1 6 3 4 2 10 7 9 11 12 8 17 13 14 Flip up door opened Operation Mode Cooling Operation ak UF Auto Operation or Auto Changeover A UF Healthy Dehumidification Operation xx Cooling Model Heat Pump Model Heating Operation Operation 1 START STOP BUTTON m KO Operation starts when this button is pressed and Q5 stops when the button is pressed again seg 2 OPERATION MODE SELECTION BUTTON Used to select the operation mode A 3 ROOM TEMPERATURE SETTING BUTTONS A Used to select the room temperature JL 4 INDOOR FAN SPEED SELECTOR p Used to select fan speed in four steps C 2 low medium high and CHAOS 5 JET COOL HEATING OPTIONAL Used to start or stop the speed cooling Speed cooling heating operates at super high fan speed in cooling heating mode 6 CHAOS SWING BUTTON Used to stop or start louver movement and set the E desired up down airflow direction C 7 ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion 8 TIME SETTING BUTTONS Used to adjust
69. n be measured by attaching the thermometer to the low pressure tubing and wrap it with putty Service Manual 47 Troubleshooting Guide Product does not operate at all Refer to Electronic Control Device drawing and Schematic diagram Turn off Main Power JL After 10 seconds Turn on Main Power Does beeping sound is made from the Indoor Unit 86 Check the voltage of power About AC 220 60Hz Primarily the operating condition of Micom is OK About AC 220 240V 50Hz Main power s voltage l L Voltage applied to the unit Connecting method of Indoor Outdoor connecting cable Check each load Indoor Outdoor Fan Motor Check PWB Assembly Compressor Stepping Motor and contacting Fuse condition of related connector Pattern damage Varistor ZNRO1N Lt Check the connection housing for contacting Connector related to CN POWER1 2 Connector related to CN MOTOR Connector contacting of Outdoor Fan Compressor Display PWB Assembly Check Lt Main PCB Board Operation Check Items Content Remedy SMPS Transformer Indoor unit Input Voltage About AC220V 240V 10 Check the power voltage Replace Trans Output Voltage About DC12V e 1C04D 7805 Output e DC 5V e Replace ICO4D e ICO1A Reset IC OSC01B 8MHz Voltage of Micom No 36 Replace faulty parts DC 4 5V over and Soldering condition
70. nifold valve and stop the vacu um pump 4 Finishing the job With a service valve wrench turn the valve stem of liquid side valve counter clockwise to fully open the valve Turn the valve stem of gas side valve counter clockwise to fully open the valve Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side S service valves and fasten them tight Vacuum pump This completes air purging with a vacuum pump The air conditioner is now ready to test run 26 Room Air Conditioner Installation 1 Check that all tubing and wiring have been properly connected 2 Check that the gas and liquid side service valves are fully open Prepare remote controller 1 Remove the battery cover by pulling it according to the arrow direction 2 Insert new batteries making sure that the and of battery are installed correctly 3 Reattach the cover by u ND temperature 4 For reference the gas side pressure of optimum condition is as below Cooling Outside ambient Th f th id pushing it back into position Refrigerant SEM aane ae 22
71. ock remove the cables in the holder of the control cover and do it CAUTION The above circuit diagram is subject to change without notice The earth wire should be longer than the common wires When installing refer to the circuit diagram behind the panel front of the indoor unit Connect the wires firmly so that they may not be pulled out easily Connect the wires according to color codes referring to the wiring diagram CAUTION If a power plug is not Main power source used provide a circuit breaker j Air Circuit Breaker Use a circuit breake or time delay fuse between power source and the unit as shown by CAUTION The power cord connected to the A unit should be selected according to the following specifications Type B approved by HAR or SAA mm NORMAL CROSS SECTIONAL AREA ak ale 0 75 1 0 Unit A Indoor Indoor Cable Type B HO5VV F HO5VV F The power connecting cable connecting the indoor and outdoor unit should be selected according to the following specifications Type approved by HAR or SAA La p zd NORMAL CROSS SECTIONAL mm AREA 0 75mm Grade mm NORMAL CROSS Grade SECTIONAL AREA 30 32k 36k 38k NORMAL CROSS 075 075 SECTIONAL AREA Cable Type B HO7RN F HO7RN F 1 0 Cable Type B HO7RN F 22 Room Air Conditioner Installation
72. operation open the front panel upward and Press the power button let it be pressed for about 3 seconds If you want to stop the operation re press the button Protection of the evaporator pipe from frosting If the indoor pipe temp is below 0 C in 7 min after the compressor operates without any pause while in cooling cycle operation mode the compressor and the outdoor fan are turned off in order to protect the indoor evapo rator pipe from frosting When the indoor pipe temp is 7 C or higher after 3 min pause of the compressor the compressor and the out door fan is turned on according to the condition of the room temperature Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input the remote control the long beep beep sounds When a key is input by the remote control while the slide switch on the main unit of the appliance is on the forced operation position the error sound beep beep beep beep beep is made 10 times to indicate that the remote control signal cannot be received Service Manual 33 Operation Air Cleaner Operation When an air cleaner function is selected during Air Conditioner operation Plasma air cleaner function will be operated while in any operation mode with selecting the function The function is to be stopped while it is operating with selecting the function
73. pecification Particularly note the relation between cable length and thickness Refer to page 24 7 Always install an earth leakage circuit breaker in a wet or moist area 8 The following would be caused by voltage drop Vibration of a magnetic switch which will damage the contact point fuse breaking disturbance of the normal func tion of the overload 9 The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3mm in each active phase conductors Service Manual 23 Installation Y Le 1 Checking the drainage Pour a glass of water on the evaporator Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit Connecting area drain hose vn X Leakage checking M Leakage checking 2 Drain piping The drain hose should point downward for easy drain flow Downward slope Do not make drain piping like the following Accumulated ias drain water Air i L Water Water leakage leakage Waving Tip of drain hose Less than dipped in water 50mm gap L LM Water leakage Ditch 24 Room Air Conditioner GL 1 Form the piping by wrapping the connecting portion of the indoor unit with insulation materi al and secure it with two kinds of vinyl tapes If you want to connect an additional drain hose th
74. r the appliance stops operating The timer LED is on when the off timer is input It is off when the time set by the timer is reached H the appliance is on pause at the time set by the timer the pause continues Service Manual 31 Operation E Off Timer lt gt On Timer Operation When the set time is reached after the on off time is input by the remote controller the on off timer operation is carried out according to the set time Sleep Timer Operation e When the sleep time is reached after 1 2 3 4 5 6 7 0 cancel hr gt is input by the remote controller while in appliance operation the operation of the appliance stops While the appliance is on pause the sleep timer mode cannot be input While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C After another 30 min elapse it increases by 1 C again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mode is input while in heating cycle mode the airflow speed of the indoor fan is set to the medium Chaos Swing Mode By the Chaos Swing key input the vane automatically operates with the Chaos Swing or they are fixed to the desired direction lt Cooling Mode gt lt Heating Mode gt B Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium
75. r 60 minutes setting the room temp automatically to 30 C 32 Room Air Conditioner Operation Auto Restarting Operation When the power is restored after a sudden power failure while in appliance operation the mode before the power failure is kept on the memory and the appliance automatically operates in the mode on the memory Operation Mode that is kept on the memory State of Operation ON OFF Operation Mode Setting Temp Selected Airflow Speed Sleep Timer Mode Remaining Time of Sleep Timer unit of hour Forced Operation Operation procedures when the remote control can t be used The operation will be started if the power button is pressed If you want to stop operation re press the button Heat pump Model Cooling Model Room Temp gt 24 C 21 lt Room Temp lt 24 C Room Temp lt 21 C Operating mode Cooling Cooling Healthy Dehumidification Heating Indoor Fan Speed High High High High Setting Temperature 22 C 22 C 23 C 24 C While in forced operation the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room tem perature and resets in 1841 minutes During test operation if remote controller signal is received the unit operates as remote controller sets If you want to use this
76. rigerant from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner scale and reverse the cylinder so that the sys 4 Immediately disconnect the charge hose from tem can be charged with liquid the 3 way valve s service port 2 Purge the air from the charge hose Stopping partway will allow the gas to be dis Open the valve at the bottom of the cylinder charged and press the check valve on the charge set to If the system has been charged with liquid purge the air Be careful of the liquid refriger refrigerant while operating the air conditioner ant The procedure is the same if using a gas turn off the air conditioner before disconnecting cylinder the hose 3 Open the valve Lo side on the charge set and 5 Mount the valve stem nuts and the service charge the system with liquid refrigerant port nut If the system can not be charged with the spec Use torque wrench to tighten the service port ified amount of refrigerant it can be charged nut to a torque of 1 8 kg m with a little at a time approximately 150g each Be sure to check for gas leakage time while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 46 Room Air Conditioner Troubleshooting Guide Trouble analysis 1 Check temperature differenc
77. se parts may be changed depending upon the buyer s request GCSC WEBSITE http biz L Gservice com Service Manual 65 Replacement Parts List LOCATION DESCRIPTION neng pen Largo 891882700 ung EP Grat SUFFI LAP 131410 CHASSIS ASSEMBLY 3141A20012A 3141A20012A 3141A20012A 3141A20012A 3141A20012A 3141A20012A 3141A20012A R 135311 GRILLE ASSEMBLY DISCHARGE NDOOR 3631420231C 3531A20231C 35314202310 3531A20231G 3531A20231C 3531A20231F 3531A20231C R 135312 GRILLE ASSEMBLY MIRROR 3531400230 35314202636 35314203038 3531A20263N 3531A20267H 3531002914 3531A20263G R FRONTIINDOOR BLUE 3531A20263C 3631420263 3531A20303C 3531A20263C 3531A20267F 3531420291C R WHITE 3581A20263F 3531A20263M 3531A20303D 531A20263F 3531A20263M 3531A20291G R woo _ 3631203086 35314202678 3531A20267G R METAL 3531A20263B 3531A20263H 3531203036 3631420267C 3631420267 3531A20291A R CHERRY 3534420003 3531A20263E mue R 13594 GRILLEASSEMBLYJNLET MIRROR 35314202328 3591202328 3531A20290 3531A20232B 3531 30232 3531A20290E 3531A2023225 R BLUE 35314202448 3531A20244B 35314202908 3531A20244B 8318202448 35314202008 R WHITE 3531A2024ME 3
78. t Parts List PART No m DESCRIPTION ASNH1863 N3 ASNH2463 M3 REMARKS AS H1863 M3 AS H2463 M3 131410 CHASSIS ASSEMBLY 3141A20012A 3141A20012A 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20231F 3531A20231F 135312 GRILLE ASSEMBLY FRONT MIRRIOR R 3531A20291J 3531A20291J M INDOOR BLUE B 3531A20291C 3531A20291C WHITE W e WOOD D METAL M 3531A20291A 3531A20291A R 135314 GRILLE ASSEMBLY INLET MIRRIOR R 3531420290 3531A20290E M BLUE B 3531A20290B 3531A20290B WHITE W WOOD D METAL M 3531A20290A 3531A20290A R 135516 COVER ASSEMBLY MOTOR 3551A20099N 3551A20099M 145200 LINK 4520A20008A 4520A20008A 145201 LINK 4520A20027A 4520A20027A 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 146811 MOTOR ASSEMBLY STEP 4681A20055D 4681A20055D 152302 FILTER MECH A C 5230A20047A 5230A20047A 159830 AIR CLEANER ASSEMBLY 5983A25004D 5983A25004D 159901 VANE HORIZONTAL 5990A20042B 5990A20042B 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20486K 4995A20379R 263230 THERMISTOR ASSEMBLY 6323A20004H 6323A20004H 264110 POWER CORD ASSEMBLY 6411A20026W 6411A20026V 266090 H V ASSEMBLY 6609A10005D 6609A10005D 267110 REMOTE CONTROLLER ASSEMBLY 6711A90031Y 6711A90031Y 268712 PWB PCB ASSEMBLY DISPLAY 6871A20463A 6871A20463E 268714 PWB PCB
79. t that moment as follows 24 C lt Inatake Air Temp gt Fuzzy Operation for Cooling 21 C lt Inatake Air Temp lt 24 C gt Fuzzy Operation for Dehumidification Inatake Air Temp lt 21 C gt Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated 1 Fuzzy Operation for Cooling According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 C Compressor OFF Temp gt Setting Temp 0 5 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C lt Intake Air Temp gt 25 C 24 C lt Intake Air Temp lt 26 C gt Intake Air Temp 1 C 22 C lt Intake Air Temp lt 24 C gt Intake Air Temp 0 5 C 18 C lt Intake Air Temp lt 22 C gt Intake Air Temp Intake Air Temp lt 18 C gt 18 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fu
80. than one of the indoor temperature by 2 C at least is higher than 28 C In heating Mode the indoor fan operates in case the pipe temperature um S Check the connector of intake and pipe sensor thermistors Check the related circuit of RY AWAY Check the indoor room temperature is disconnected or not about 10KQ at 25 C Check the indoor pipe temperature is disconnected or not about 5KQ at 25 C lt Check the DC voltage on the PWB ASSEMBLY The details of check are as followings Between Micom NO 51 and GND DC 5V DC 0V Between IC03M No 9 and GND Below DC1V About 12V Comp Relay Outdoor fan Relay Check point Comp ON Comp OFF Check point Fan ON Fan OFF Between Micom Between Micom NO 63 and GND Boy DOV NO 53 and GND Deer DGOY Between IC02M Between IC03M NO 14 and GND Below DC 1V NO 11 and GND Below DC 1V About DC 12V 4 way Relay Check point 4 way ON 4 way OFF Service Manual 53 Troubleshooting Guide SH Turn off Main Power ue Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor 4 way Check the open or short of connecting wires between indoor and outdoor 54 Hoom Air Conditioner Schematic Diagram
81. the time 9 TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation 10 SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation 11 AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating 12 ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature 13 NANO PLASMA OPTIONAL Used to start or stop the plasma purification function 14 HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON OPTIONAL Used to set the desired horizontal airflow direction 15 RESET BUTTON Used prior to resetting time or after replacing bat teries 16 2nd F Button Used prior to using modes printed in blue at the bottom of buttons 17 AUTO CLEAN OPTIONAL Used to set Auto Clean mode O Service Manual 37 Disassembly Disassembly Indoor WARNING Disconnect the unit from power supply before making any checks Be sure the power switch is set to OFF To remove the Grille from the Chassis Hold up Inlet Grille Horizentally To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward To seperate connecter assembly and than to remove Inlet Grille assembly 1 Before removing the control box be sure to take out the wire screwed at the other end 38 Room Air Conditioner LAG lt lt SN N 2 L CH SC
82. y Valve Gas Side Hexagonal wrench 4mm Flare nut Open position Closed position To piping connection To outdoor unit Valve cap Open position Closed position Flare nut piping i connection Service Service port To outdoor unit Works Shaft position Shaft position Service port Shippi Closed Closed Closed DEUS with valve cap with valve cap with cap Air purging Open Closed Open Installation counter clockwise clockwise push pin or with vacumm pump Closed t with valve with valve cap with cap Pumping down Closed Open Open Transfering clockwise counter clockwise connected manifold gauge Evacuation Open Open Open Servicing with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Servicing Open Open with charging cylinder Gas releasin Open Servicing j Open Open with charging cylinder 42 Room Air Conditioner Troubleshooting Guide Pumping Down Outdoor unit Purge the air e Procedure 1 Confirm that both the 2 way and 3 way valves are set to the open position Remove the valve stem caps and confirm that the valve stems are in the raised position Be sure to use a hexagonal wrench to operate the valve stems 2 Operate the unit for 10 to 15 minutes
83. zzy operation the airflow speed of the indoor fan is automatically selected according to the temperature 2 Fuzzy Operation for Dehumidification According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp gt Setting Temp 0 5 C Compressor OFF Temp gt Setting Temp 0 5 C 30 Room Air Conditioner Operation At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C lt Intake Air Temp gt 25 C 24 C lt Intake Air Temp lt 26 C gt Intake Air Temp 1 C 22 C lt Intake Air Temp lt 24 C gt Intake Air Temp 0 5 C 18 C lt Intake Air Temp lt 22 C gt Intake Air Temp Intake Air Temp lt 18 C gt 18 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan repeats the low airflow speed or pause as in dehu midification operation 3 Fuzzy Operation for Heating According to the setting temperature selected by Fuzzy rule when the intake air temp is 3 C or more above th

LG Room Air Conditioner

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