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Service Manual MPS 60K

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1. JL w WO0CZZ 1 W0CZZ 3 554160 3 9 40 237204 3 62 Multi Type Air Conditioner Exploded View amp Replacement Parts List L4UH602FA0 L4UC602FA0 73850 435301 237204 2 Wi A SS SS SS NN 00200606 77 SN 3 NN MERO Z 19 554160 3 9 IL gt
2. El n D I Service Manual 21 Schematic Diagram 1 Indoor Unit Split Type Indoor Unit Duct Type Indoor Unit BT chassis AC PCB ASM WIRING DIAGRAM B THERMISTORIOUTPIPE m INPIPE OUTPIPE ROOM THERMISTOR EMOTE THERMISTOR THERMISTOR 1 THERMISTOR IN PIPE THERMISTOR ROOM HE 5 i CN PIPE1 CN REMO CN PIPE2 CN ROOM 10 SAFETY S W1 i 17755 5 CN AC DC CN MOTOR CN AC DC OR T BK CN U D CN TH1 CN TH2 MOTOR L 5 GN YL BL BR PLASMA TO OUTDOOR UNIT INDOOR MOTOR DISPLAY PWB ASM i 3854A20419A INDOOR WIRING DIAGRAM 38544201351 SAFETY S W2 CN POWER 9 9l NT OUTPIPE ROOM 1 TELE CONTROL I HERMISTOA THERMISTOR THERMISTOR 1 DRY CONTACT zs i CN REMO 2 CN ROOM CN VENTILATION
3. x om gt 3 M T Mai BK pou DOD i m D7BLOSBP 22008504 2 CN POWER 2504 ZNROIJ 22mHGA 184007 7805 19 EJ s 1 4 DESV 5659 5S 7 DEL 1 Ig zoo de filis ka NF 1009 L dv 5 mO 3 E a ola NEUTRAL lt cuo de j 565 an D roe cow D IC02D TLP521 ciampea RYK 275V hes 100 fea T GG S9 2 40 d RY COMP Twvessp 1293 150 Teun L AGL ve fits T ae DANZI2K 1000H D ym CN REMO CN OUT IC02M 103 250VA 3K DC12V RY OUTFAN W AE cv HOOF pc av gt f 3 3 signal RAK w 2 2 RY AWAY L HEATER n Lt Py ex I GND JAY 111 ae IE nm 2 lez P74 63 WAY KRATOAM cone GC alle 1 preuve pra 62 1 lo CN DPUNP 00 ED m STEP M p SEP a P72 61 OAK 102 ala 1 1 1 3 RY D PUMP STEPM STEP 5 P71 60 1 ttt UJ LOUVER STEP 4 STEPM IROBH IRO6H RO2H p LOUVER 59 leak ork ST 6
4. Cooling Indoor Unit Combination Capacity Btu h curent D Unit B UnitC Unit D Total W 1UNIT 12 S RAC 12 13000 13000 1460 6 8 12 DUCT 12 12000 12000 1460 6 8 18 S RAC 18 18000 18000 2190 10 2 18 DUCT 18 18000 18000 2190 10 2 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 2 UNIT 12 S RAC 12 S RAC 24 12500 12500 25000 2760 12 6 12 DUCT 12 DUCT 24 12000 12000 24000 2760 12 6 12 S RAC 24 S RAC 86 13000 22000 35000 4060 18 9 12 DUCT 24 DUCT 36 12000 24000 36000 4060 18 9 18 S RAC 18 S RAC 36 18000 18000 36000 4060 18 9 18 DUCT 18 DUCT 86 18000 18000 36000 4060 18 9 18 S RAC 24 5 42 18000 22000 40000 4740 22 1 18 DUCT 24 DUCT 42 18000 24000 42000 4740 22 1 24 S RAC 24 8 48 22000 22000 44000 5360 24 7 24 DUCT 24 DUCT 48 24000 24000 48000 5360 24 7 3 UNIT 12 S RAC 12 S RAC 12 S RAC 36 12500 12500 12500 37500 4060 18 9 12 DUCT 12 DUCT 12 DUCT 86 12000 12000 12000 36000 4060 18 9 12 S RAC 12 S RAC 24 S RAC 48 12500 12500 22000 47000 5360 24 7 12 DUCT 12 DUCT 24 DUCT 48 12000 12000 24000 48000 5360 24 7 12 S RAC 18 S RAC 24 S RAC 54 12500 18000 22000 52500 6030 27 8 12 DUCT 18 DUCT 24 DUCT 54 12000
5. DIM MODEL BT 12K BT1 18K BH 24K Wim 708 1060 880 H mm 230 230 260 D mm 357 357 450 Service Manual 15 Dimensions 2 Outdoor Unit 48K 60K Btu h 711 828 687 MODEL DIM mm mm mm 16 Multi Type Air Conditioner Refrigeration Cycle Diagram l Refrigeration Cycle Diagram Outdoor Side 4 WAY Valve amm Capillary IX 3 Way Valve Solenoid Valve x 2 Way Valve LEV Service Manual 17 Refrigeration Cycle Diagram 3 AAUH602FA0 6 Indoor Side UJ gt Outdoor Side T 7 8 4 WAY Valve D i COMP EE ee 4 A4UC602FA0 Indoor Side Outdoor Side C B i Y 9 92 COMP i Q A 18 Multi Type Air Conditioner ex wm Capillary IX 3 Way Valve Solenoid Valve X 2 Way Valve e LEV Schematic Diagram R16G 68K RISGGSK DISPLAY Bec
6. 42 Electronic Parts Troubleshooting Guide nn 44 Disassembly of the parts Indoor unit nn nrnna 50 Exploded View amp Replacement Parts 51 322 53 2 Multi Type Air Conditioner Safety Precautions ll Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is Classified by the following indications WARNING This symbol indicates the possibility of death or serious injury ACAUTION This symbol indicates the possibility of injury or damage Meanings of symbol used in this manual are as shown below Be sure not to do Q Be sure to follow the instruction AWARNING Bi Installation Do not use a defective or Do not let the air conditioner Always ground the product underrated circuit breaker run for a long time when the Use this appliance on a dedi humidity is very high anda cated circuit door or a window is left open There is risk of fire or electric shock Moisture may condense and wet or There is risk of fire or electric shock damage furniture Install the panel and the cover Always install a dedicated cir Use the correctly rated break of control box securely cuit and breaker er or f
7. P70 1 1 1 IT DAN212K HIGH C02K Q04K als oo 7 58 ex Pod Tee eom RY LOUV T rcg 9emohe Ol os 67 enworort 4 8 5 VOR 5 OPTIONS CN PIPE KRC104M sox LL 8 5 4 sem pear 9 06 dl Sp T 9e FAN RYL 10 Por AIN5 P65 55 MOTOR 313 So OPTIONS ojo FREQ 54 RYM 11 1 1 AIN4 P64 2 0 4 OPTION2 44 5 REMO E RYH i 12 AIN3yP63 53 come sm neu I o PIPETH 4 S5 mi T 1 13 AIN2 P62 52 RO2C UST 2 81 EMT CN ROOM FAN 2 2 Fm 14 AIN1 P61 i MOTOR IL OPTION 1 MC aja 20 15 P14 PPG 6 50 5 200K 2W EM m s m 10K w pode h 16 15 02 VANS 48 EE ata tk 4 defy P co our aon DE Ud com gt HO an lt a fY 18 Pm ET a HOO m 8 5 82 10K 103 vss 5 19 P53 46 m 5 81 20 TEST PWM PDO P52 45 TD 96 5 CE gla 10k Nc 21 144 X Go E E FX Boat IK NC 22 PzaxroUT 5 43 ux Ga O 5 1K RESET 54 RESET 42 E PA lt Cx 7 k xin
8. Service Manual 63 Exploded View amp Replacement Parts List LOCATION svc No L3UC482FA0 L3UH482FA0 L4UC602FAO L4UH602FA0 L3UCA82NA1 CODE 237203 PANEL UPPER 3720 10116 3720A10116A 3720A10116A 3720A10116A 3720 10116 R 237204 1 PANEL SIDE 3720 101190 3720A10119D 3720A10119D 3720A10119D 37204101190 237204 2 PANEL SIDE 3720 101178 3720A101178 3720A10117B 3720A101178 37204101178 R 237204 3 PANEL SIDE 3720 101180 3720A10118C 3720 10118 3720A10118C 37204101180 430410 BASE ASSY 3041A20045M 3041A20045M 3041 20045 3041A20045K 3041A20045M R 435301 GRILL DISCHARGE 3530A20086A 3530A20086A 3530 20086 3530A20086A 3530A20086A R 546810 MOTOR ASSY 4681A20039F 4681A20039F 4681A20039G 46814200996 4681A20030F 552203 1 VALVE SERVICE 2H01890C 2H01890C 2H01890A 2H01890A 2 018800 R 5522032 VALVE SERVICE 2H02479E 2H02479E 2H02200C 2H02200C 2H02479E R 554031 CONDENSER ASSY BENT 5403A20149L 5403A20149N 5403A20149Q 5403A20149F 5403A20149N R 554160 1 COMPRESSOR SET 2520UHFK2DB 2520UHFK2DB 2520UHFK2EA 2520UHFK2EA 2520UHFK2DB R 554160 2 COMPRESSOR SET 2520UMMK2BA 2520UMMK2BA 2520UHFK2DA 2520UHFK2DA 2520UMMK2BA 554160 3 COMPRESSOR SET 2520UKRK2FA 2520UKRK2FA 2520UKRK2FA 2520UKRK2FA
9. ZONE CONTROL E HEATER TO OUTDOOR UNIT CAPACITOR 3854A20419B 22 Multi Type Air Conditioner Schematic Diagram 2 Outdoor Unit L3UC482FA0 L3UH482FA0 OUTDOOR WIRING DIAGRAM TO INDOOR JCWLEVSINGLE CNLEV2 CNLEVI UNTA lt 8 MAIN ASSY COMP S CNA ANTS uH pst e L4UC602FA0 OUTDOOR WIRING DIAGRAM POWER SUPPLY MAIN PCB ASSY FUSE 2501 TRSA 3854A20392G e LAUH602FA0 OUTDOOR WIRING DIAGRAM EV CNLEV2 CNLEVI OR WH MAIN PCB ASSY I 95 or FUSE 2504 TRISA CN AWAY we cmo iru 3854A2001 1J Service Manual 23 Functions m Functions Split Type Indoor Unit Operation ON OFF by Remote controller Sensing th
10. 41 LED g ROIB Cav yp 40 ROL 1k XOUT ck GG 25 f gg 180110 Go m RO6L 1K 8 018 vss SO1 P44 Force rS PH SI MULTI TX sJ sw 30 sHhyP43 38 83 LED2 er SCK1 MULTI RX C SCK P42 onse 28 LED3 NC 29 P32 36 olo T ROIF LED4 35 CN LOUVER 1K 1K LOUVER 31 P34 NC 34 CN_ZONE ats FLOAT 32 pas NC 33 1 cso CoiF CSI 103 qs Schematic Diagram 2 Duct Type 20 Multi Type Air Conditioner Schematic Diagram 2 Outdoor Unit L3UC482FA0 L3UH482FA0 L4UC602FA0 L4UH602FA0 prs pies xi ak 25 ges ag gs p or alg 23 Wy ros E gH sz Els Eu Es z zm I E E 5 Els 32388 22333 Els 3338328828333 ra lt E
11. LG Multi Type Air Conditioner SERVICE MANUAL MODEL Outdoor Unit Indoor Unit Cooling Model L3UC482FA0 L3UC482NA1 L4UC602FA0 LMNC122LRLO LMNC182LTLO LMNC242LTLO LMNC122LRAO LMNC182LTAO LMNC242LTAO LMNC122BTGO LMNC182BTGO LMNC242BHAO L3NC122NRA1 L3NC242NRA1 BEFORE SERVICING THE UNIT READ THE SAFETY website http www lgservice com e mail http www lgeservice com techsup html MPS Heating Model L3UH482FA0 L4UH602FA0 LMNH122LRLO LMNH182LTLO LMNH242LTLO LMNH122LRA0 LMNG182LTAO LMNH242LTAO LMNH122BTGO LMNH182BTGO LMNH242BHAO PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL Multi Type Air Conditioner Service Manual TABLE OF CONTENTS Safety ee cet ee 3 Details of LG Model Se ees ue ese apa tat 7 Product ek ot olet e a 8 Combination Table L L u U 12 By a as 15 Refrigeration Cycle Diagram 17 Schematic Diagram OAT bibe hn eunti poised det 19 Functions roD diu aa LU uL D LE t 24 Operation 31 2 Way 3 Way Va V iiig een oe eeaeee 38 Cycle Troubleshooting Gulgde 5 2 eoe ee tei ettet
12. Refrigerant gt L Changwon of korea R22 Service Manual 7 Product Specifications l Product Specifications 1 Outdoor _ Model L3UC482FA0 L3UH482FA0 Cooling Capacity kcal h 3024 12096 3024 12096 W 3515714067 3515714067 Btu h 12000 48000 12000 48000 Heating Capacity kcal h 3024 12096 W 3515 14067 Btu h 12000 48000 Input Cooling Heating W 1 460 5 360 1 460 5 360 1 540 5 640 Running Current Cooling Heating A 6 8 24 7 6 8 24 7 7 126 Starting Current Cooling Heating A Power Supply Q V Hz 10 220V 60Hz 10 220V 60Hz Power Factor 96 98 98 Compressor A Locked Rotor Amp A 35 26 35 26 TPS Cycle Type Rotary Rotary Quantity No 1 1 1A Model QJ208KAB QK185KAF QJ208KAB QK185KAF Maker LG LG LG LG Capacity kcal h Btu h 14650 12900 14650 12900 Motor Type Single Phase Induction Motor PSC Single Phase Induction Motor PSC Motor Input W 1356 1205 1356 1205 Oil Type ATMOS M60 or SUNISO 4GSI ATMOS M60 or SUNISO 4GSI Oil Charge cc 450 350 450 350 O L P Type model name MRA98704 12026 MRA12070 12027 MRA98704 12026 MRA12070 12027 Compressor B Locked Rotor Amp A 68 68 Single Cycle Type Rotary Rotary Quantity No 1 1 Model QP348KD24B QP348KD24B Maker LG LG Capacity kcal h Btu h 25700 25700 Motor Ty
13. 18000 24000 54000 6030 27 8 18 S RAC 18 S RAC 24 8 60 18000 18000 22000 58000 6700 30 9 18 DUCT 18 DUCT 24 DUCT 60 18000 18000 24000 60000 6700 30 9 12 S RAC 24 S RAC 24 S RAC 60 12500 22000 22000 56500 6700 30 9 12 DUCT 24 DUCT 24 DUCT 60 12000 24000 24000 60000 6700 30 9 AUNT 12 S RAC 12 S RAC 12 S RAC 24 S RAC 60 12500 12500 13000 22000 60000 6700 30 9 12 DUCT 124091 12 DUCT 24 DUCT 60 12000 12000 12000 24000 60000 6700 30 9 Service Manual 13 Combination Table Heating Indoor Unit Combination Capacity Btu h Gurren x adel D gui UnitA Unit B UnitC Unit D Total W A 1 UNIT 12 S RAC 12 13000 13000 1460 6 8 12 DUCT 12 12000 12000 1460 6 8 18 S RAC 18 18000 18000 2190 10 2 18 DUCT 18 18000 18000 2190 10 2 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 2UNIT 12 S RAC 12 S RAC 24 12500 12500 25000 2760 12 6 12 DUCT 12 DUCT 24 12000 12000 24000 2760 12 6 12 S RAC 24 S RAC 36 13000 22000 35000 4060 18 9 12 DUCT 24 DUCT 36 12000 24000 36000 4060 18 9 18 S RAC 18 S RAC 36 18000 18000 36000 4060 18 9 18 DUCT 18
14. Vout LED3 PRE ASSY LED2 5 23808 CN DISP1 iagram ic D 1 Split Type 1 Indoor Uni I Schemat 4 8 1 4 lata lotro DC 5V ROIT 10K ROZT 10K ROBT 10K OAT 10K ROBT 10K AS lt lt A 151 lt AS CN DISP2 CN SUB INDOOR H lt FREQUENCY LIVE NEUTRAL MICOM GMS81516 gui s ah 1 N Z D R30
15. 2520UKRK2FA R 561411 1 COIL ASSEMBLY EXPANSION 6141A20018M 6141A20018M 6141A20018M 6141A20018M 6141A20018M R 561411 2 COIL ASSEMBLY EXPANSION 6141 20018 6141A20018N 6141A20018N 6141A20018N 6141A20018N R 561411 3 COIL ASSEMBLY EXPANSION 6141A20018P 6141A20018P 6141A20018Q 6141A20018Q 6141A20018P R 561411 4 COIL ASSEMBLY EXPANSION 6141A20018R 6141A20018R R 559010 FAN ASSY PROPELLER 5901A10035A 5901A10035A 5901A10035A 5901A10035A 5901A10035A R 649950 CONTROL BOX OUTDOOR 4995A10148A 4995A10148F 4995A10148E 4995A10148D 4995A10148A R 668711 PCBASSEMBLY MAIN OUT DOOR 6871A20414P 6871A20414P 6871A20414N 6871A20414M 6871 20414 R 73850E LABEL LOGO 3850A20899D 3850A20899D 3850A20899D 3850A20899D 3850A20899F WOCZZ 1 CAPACITOR 84009888 84009888 2 00986 2A00986X 84009888 R WOCZZ2 CAPACITOR 2A00986X 2A00986X 2A00986X 2A00986X 2 00988 R WOCZZ3 CAPACITOR 6120 21948 6120AR21948 6120AR2194B 6120AR2194B 6120AR2194B R w4810 BRACKET 48104202848 48104202848 4810A20288B 4810A202888 4810A202848 R 64 Multi Type Air Conditioner January 2005 P No 3828A20452C Printed in Korea
16. 3 THERMISTOR ASSEMBLY OUT 6323AQ3226V 6323AQ3226V R 267110 REMOTE CONTROLLER ASSEMBLY 6711A10008X 6711A10008X R 268714 PWB PCB ASSEMBLY MAIN 6871A10140F 6871A10040M R 330860 DRAIN PAN ASSEMBLY 3087A10008B 3087A20023A R 336610 1 HOUSING MECH WRAPPER 3660A20017A 3660A20008C R 336610 2 HOUSING MECH WRAPPER 3660A20018A 3660A20010B R 346810 MOTOR ASSEMBLY INDOOR 4681A10013C 4681A20005Y R 352111 TUBE ASSEMLBY CONNECTOR 5211A20514G 5211A20514J R 352118 TUBE ASSEMBLY MENIFOLD INDOOR 5211A20465G 5211A30076A R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20100B 5421A20008A R 359012 1 FAN ASSEMBLY BLOWER Single 5901A10026A 5901A10026A R 359012 FAN ASSEMBLY BLOWER Motor 5901A10028B 5901A10028A R 552111 TUBE ASSEMBLY CAPILLARY 5211A20466L 5211A20693D R WOCZZ CAPACITOR DRAWING 2A00986D 2A00986D R Service Manual 61 Exploded View amp Replacement Parts List 1 Outdoor Unit L3UH482FA0 L3UC482FA0 L3UC482NA1 73850 435301 237204 2 22
17. Compressor ON Temp 2 Setting Temp 0 5 C Compressor OFF Temp 2 Setting Temp 0 5 C e In 10 min dehumidification operation the indoor fan operates with the low airflow speed Heating Mode Operation H P model When the intake air temp reaches 3 above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp Compressor OFF Temp 2 Setting Temp 3 C While in compressor on the indoor fan is off when the indoor pipe temp is below 20 C when above 28 it operates with the low or setting airflow speed When the indoor pipe temp is between 20 and 28 it oper ates with Super Low 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 outdoor 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 Defrost Control H P model Defrost operation is controlled by timer and sensing temperature of outdoor pipe The first defrost starts only when the outdoor pipe temperature falls below 6 C after 60 minutes passed from starting of heating operation and more than 10 minutes operation of compressor Defrost e
18. Liquid inch mm 1 4 6 35 4EA 1 4 6 35 4EA Gas inch mm 1 2 12 7 4 1 2 12 7 4EA Drain ID 0 mm 4 Dimensions W H D inch mm 28 0 32 6 27 711 x 828 x 686 28 0 32 6 27 711 x 828 x 686 Net Weight kg Ibs 130 286 6 130 286 6 Power Supply Cable No mm 3 8 4 Includes earth 3 8 4 Includes earth Interunit Cable No mm 4 0 75 Includes earth 4 0 75 Includes earth Max Interunit Piping Total of Each Room m 50 TPS Cycle 20 Single Cycle 50 TPS Cycle 20 Single Cycle Length For One Room m 20 TPS Cycle 20 TPS Cycle Max Installation Indoor Unit Outdoor Unit m 30 15 Height Difference Indoor Unit Indoor Unit m 7 9 7 9 Packing Dimension W H D inch mm 33 5 35 0 30 1 850 x 890 x 765 33 5 35 0 30 1 850 x 890 x 765 Stuffing Quantity Without S Parts 20 40ft 40 84 40 84 Notes 1 Capacities are based on the following conditions Cooling Indoor Temperature 27 80 6 DB 19 C 66 2 F WB 2 Capacities are Net Capacities Outdoor Temperature 35 C 95 F DB 24 C 75 2 F WB Interconnecting Piping Length 7 5m Level Difference of Zero 3 See Page Combination Table Service Manual 9 Product Specifications 2 Indoor _ Indoor Unit Wall Mounted Model LMNC H 122LRA0 LMNC H 182LTAO LMNC H 242LTAO Nominal Cooling Capacity kcal h W 3024 3516 4536 5275 6048 7032 Btu h 12000 18000 24000
19. Nominal Heating Capacity kcal h W 3024 3516 4536 5275 6048 7032 Btu h 12000 18000 24000 Air Circulation H M L CMM CFM 8 1 286 12 3 435 14 9 526 External Static Pressure mmAq Setting temperature range cool heat C 18 30 16 30 18 30 16 30 18 30 16 30 Fan motor Output 10 15 7 35 IC8420LG IC8428LGB IC8420LG No of Poles 4 4 4 Input w 37 54 65 5 Running Current A 0 17 0 25 0 3 Capacitor uF Vac 0 9 400 1 5 370 2 0 400 Fan Type Cross Flow Fan Cross Flow Fan Cross Flow Fan No Used Diameter EA inch mm 1 043 87 1 043 87 1 043 87 Fan RPM Cooling H M L rpm Heating H M L rpm HIM L dBA 39 35 31 42 39 36 45 41 39 Sound Press 1m Temperature controller Thermistor Thermistor Thermistor Coil Tube Size OD inch mm 0 275 7 0 275 7 0 275 7 Fins per inch 20 20 20 No of Rows amp Column 2R 12C 2R 13C 2R 13C Dehumidification Rate Ih 1 4 2 2 2 9 Dimensions W H D mm 35 4 11 2 6 1 900 285 156 42 9 12 4 6 8 1090 314 172 42 9 12 4 6 8 1090 314 172 Net Weight kg lbs 8 17 6 12 26 5 12 26 5 Piping Connection Liquid inch mm 1 4 6 35 3 8 9 52 3 8 9 52 Gas inch mm 1 2 12 7 5 8 15 88 5 8 15 88 Drain hose ID 0 mm 16 16 16 Packing Dimension W H D inch mm 38 4 14 6 9 2 976 x 372 x 233 45 9 15 3 10 0 1165 x 388 x 255 45 9 15 3 10 0 1165 x 388 x 255 Stuffing Quantity Without S Parts 20 40ft 340 720 270 540 270 540 1 See Page Combination Table 2 Due to our policy
20. for COMP for 4 way Lt Check Outdoor Unit Service Manual 47 Electronic Parts Troubleshooting Guide 5 When indoor F Turn off Main power d Check the connection of CN FAN or CN MOTOR Check the Fan Motor Check the Fuse AC250V T2A d Check the related circuit of indoor Fan Motor The pin of Micom and the part for driving SSR Check the pattern Check the SSR SSR Open Indoor Fan Motor never operate SSR short Indoor Fan Motor always operates in case of ON or OFF d Turn ON Main Power d Check the SSR high speed operation by remote control The Indoor Fan Motor is connected The voltage of PIN NO 1 blue and 3 yellow of CN FAN or CN MOTOR About AC 160V over About AC 50V over SSR is not damaged SSR Check 48 Multi Type Air Conditioner Electronic Parts Troubleshooting Guide Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor f the regular torque is detected when rotating the Vertical Louver with hands Normal Check the connecting condition of CN U D Connector Check the soldering condition on PWB of CN U D Connector E Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between pin RED of
21. leaked out Check refrigeration cycle Refrigerant leakage 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 relatively higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Suction pressure Compared with the normal value Temperature Compared with the normal value Cause of Trouble Description High Defective compressor Current is low Higher Excessive amount of High pressure does not quickly Normal NEC refrigerant rise at the beginning of operation Insufficient amount of Lower Higher refrigerant Leakage Current is low Clogging Notice 1 The suction pressure is usually 8 12 kg cm G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty 42 Multi Type Air Conditioner Cycle Troubleshooting Guide Comp basic step Free joint outdoor unit has two compressor TPS Twin power system Step Step 1 Step 2 Step 3 Outdoor Operation Mode COMP 40 1 comp COMP 60 1 comp COMP 100 2 comp Cooling Qs lt 12k 24k lt Qs 48K Heating Qs lt 12k 24k lt Qs 60K Cooling Qs lt 12k Qs lt 24k 24k
22. not engaged Compressor Outdoor Fan is stopped 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 Ass y is normal Check the circuit related to the relay Check point COMP ON COMP OFF Between two pin of DC Below DC 1V part in relay for COMP app About DC12V 46 Multi Type Air Conditioner Electronic Parts Troubleshooting Guide Turn ON Main Power Operate Heating Mode xt by setting the desired temperature of the remote control is higher than one of the indoor temperature by 2 C at least JL In heating Mode the indoor fan operates in case the pipe temperature is higher than 28 C Check the connector of intake and pipe sensor thermistors e Check the indoor room temperature is disconnected or not about 10 25 Check the indoor pipe temperature is disconnected or not about 5KQ at 25 C JE Check the DC voltage on the PWB ASS Y The details of check are as followings Comp Relay 4 Way Relay Check point Comp ON Comp OFF Check point 4 Way ON 4 Way OFF Between two pin About DC Between two pin of DC part in relay Below DC 1V of DC part in relay Below DC 1V About DC 12V 12V
23. 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 upper lower vane automatically operates with the Chaos Swing or they are fixed to the desired direction While in Chaos Swing mode the angles of cooling and heating cycle operations are different Cooling Mode gt Heating Mode gt CLOSED Chaos Natural Wind Mode When the Chaos Natural Wind mode is selected and then operated the high medium or low speed of the air flow mode is operated for 2 15 sec randomly by the Chaos Simulation Service Manual 35 Operation Details E 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 In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach further E Jet Cool Mode Operation H P Model While in heating mode or Fuzzy operation the Jet Cool key ca
24. 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 dehumidification operation 3 Fuzzy Operation for Heating According to the setting temperature selected by Fuzzy rule when the intake air temp is 3 or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp Compressor OFF Temp 2 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 220 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 E Airflow Speed Selection The airflow speed of the indoor fan is set to high medium low or chaos auto by the input of the airflow speed selection key on the re
25. 0 TPS Cycle 30 TPS Cycle Max Installation Indoor Unit Outdoor Unit m 30 15 Height Difference Indoor Unit Indoor Unit m 75 7 5 Packing Dimension W H D inch mm 33 5 35 0 30 1 850 x 890 x 765 33 5 35 0 30 1 850 x 890 x 765 Stuffing Quantity Without S Parts 20 40ft 40 84 40 84 Notes 1 Capacities are based on the following conditions Cooling Indoor Temperature 27 80 6 DB 19 C 66 2 F WB 2 Capacities are Net Capacities Outdoor Temperature 35 C 95 F DB 24 C 75 2 F WB Interconnecting Piping Length 7 5m Level Difference of Zero 8 Multi Type Air Conditioner 3 See Page Combination Table Product Specifications Model L4UC602FA0 L4UH602FA0 Cooling Capacity kcal h 3024 15120 3024 15120 W 3515717584 3515717584 Btu h 12000 60000 12000 60000 Heating Capacity kcal h 302415120 W 3515 17584 Btu h 12000 60000 Input Cooling Heating W 1350 6000 1350 6000 1500 6400 Running Current Cooling Heating A 6 5 28 0 6 5 28 0 7 0 30 0 Starting Current Cooling Heating A Power Supply Q V Hz 10 220V 60Hz 10 220V 60Hz Power Factor 96 95 95 Compressor Locked Rotor Amp A 68 26 68 26 TPS Cycle Type Rotary Rotary Quantity No 1A 1A Model QP348KCC QK185KAF QP348KCC QK18
26. 000 230 535 34 6 10 2 17 7 880 260 450 Net Weight kg lbs 22 48 5 29 63 9 35 77 2 Piping Connection Liquid inch mm 1 4 6 35 1 4 6 35 1 4 6 35 Gas inch mm 3 8 9 52 1 2 12 7 5 8 15 88 Drain hose ID 0 mm 22 6 25 4 22 6 Packing Dimension W H D inch mm 29 9 24 9 11 8 760 626 300 49 5 11 8 24 6 1258 300 625 44 7 13 4 23 0 1135 340 585 Stuffing Quantity Without S Parts 20 40ft 172 356 123 251 48 101 1 See Page Combination Table 2 Due to our policy of innovation some specifications may be changed without notification Service Manual 11 Combination Table Combination Table Cooling Indoor Unit Combination Capacity Btu h Operation Index k Btu h gs Total Unit A Unit B Unit C Total W A 1 UNIT 12 S RAC 12 13000 13000 1460 6 8 12 DUCT 12 12000 12000 1460 6 8 18 S RAC 18 18000 18000 2190 10 2 18 DUCT 18 18000 18000 2190 10 2 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 2 UNIT 12 S RAC 12 S RAC 24 12500 12500 25000 2760 12 6 12 DUCT 12 DUCT 24 12000 12000 24000 2760 12 6 12 S RAC 24 S RAC 36 13000 22000 35000 4060 18 9 12 DUCT 24 DUCT 36 12000 24000 36000 4060 18 9 18 S RAC 24 S RAC 42 18000 22000
27. 20004A 4280A20004A R 346810 MOTOR ASSEMBLY INDOOR 46814200030 4681A20003D 4681A20067A 4681A20067A R 352111 TUBE ASSEMBLY CONNECTOR 5211A20514B 52114205148 5211A20514B 5211A20514B R 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A30058H 5211A30058H 5211A30097J 5211A30097 R 352116 TUBE ASSEMBLY EVAPORATOR OUT 52114300570 5211A30057D 5211A30098G 5211A30098G R 352150 HOSE ASSEMBLY DRAIN 5251AR2575F 5251AR2575F 5251AR2575F 5251AR2575F 359011 FAN ASSEMBLY CROSS FLOW 5901A20008A 5901A20008B 5901A20008A 5901A20008B R 733010 PLATE ASSEMBLY INSTALL 3301A10002A 3301A10002A 3301A10002A 3301A10000A R 35211B TUBE ASSEMBLY TUBING 5211A30439E 5211A30439E 5211430439 5211430439 R WOCZZ CAPACITOR DRAWING 3H01487G 3H01487G 3H01487G 3H01487G R 56 Multi Type Air Conditioner LOCATION eer PART No Svc No LMNH242TLO LMNH242LTAO LMNC242LTLO LMNC242LTAO L3NC242NRA1 CODE 191410 CHASSIS ASSEMBLY 3141A10002B 3141A10002B 3141 100028 3141410008 3141A10002H 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A10116A 3531A10116A 3531 10116 3531A10116A 3531A10224A R 135316 GRILLE ASSEMBLY 008 3531A24010D 3531A20207L 3531A20207K 3531A24010E 35314210208 R 135516 COVER ASSEMBLY MOTOR 3551A20099C 3551A20099C 35
28. 24 Intake Air Temp lt 26 C gt Intake Air Temp 1 C 22 C lt Intake Air Temp lt 24 C D Intake Air Temp 0 5 C 18 Intake Air Temp lt 22 C gt Intake Air Temp Intake Air Temp lt 18 C D 18 C e 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 e While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the tem perature Service Manual 33 Operation Details 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 2 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 lt Intake Air Temp 225 C 24 lt Intake Air Temp 26 C 2 Intake Air 1 22 lt Intake Air Temp lt 24 C 2 Intake Air 0 5 18 C lt Intake Air Temp lt 22 C gt Intake Air Temp Intake Air Temp lt 18 C 218 When the Fuzzy key Temperature Control key is input after the initial
29. 314 GRILLE ASSEMBLY INLET SUB 3531A10117B 3531 101178 3531A10283D 35314102830 135316 GRILLE ASSEMBLY FRONT INDOOR 3531A20107F 3531A10208X 3531A10208W 3531A21017G 3531A21016F R 135516 COVER ASSEMBLY MOTOR 3551A20099A 3551A20099A 3551A20099A 3551A20099A 3551A20099A R 146811 MOTOR ASSEMBLY STEP 4681 20055 4681A20055A 4681A20055A 4681A20055A 4681A20055A R 15302 FILTER MECH A C 5230A20014C 5230A20014C 5230A20014C 5230A20014C 5230A20014C R 150830 AIR CLEANER ASSEMBLY 5983A10006U 5983A10006U 5983A10006U 5983A10006U 159901 VANE HORIZONTAL 5990A20007A 5990A20007A 5990A20007A 5990A20007A 5990 200078 R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A10072G 4995A20361Y 4995A20361V 4095A10072E 4995A10072E R 263230 1 THERMISTOR ASSEMBLY 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3123A R 263230 2 THERMISTOR ASSEMBLY 6323A20004A 6323A20004A 6323A20004A 6323 20004 6323A20004A R 266000 HV ASSEMBLY 6609A10003H 6609A10003H 6609A10003H 6609A10003H R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20073F 6711A20073N 6711A20073M 6711A20073L 6711A20005U 268712 PWB PCB ASSEMBLY DISPLAY 6871A20390A 6871A20390A 6871A20390A 6871A20390A 6871A20390A R 268715 PWB PCB ASSEMBLY MAIN AC 6871A20267B 68714202678 6871A20267B 6871A20267B 68714200678 R 268716 PWB PCB ASSEMBLY MAIN DC 6871 20440 6871A20440N 6871A20440P 6
30. 3230 2 THERMISTOR ASSEMBLY ROOM 6323AQ3214E 6323AQ3214E R 263230 3 THERMISTOR ASSEMBLY OUT 6323A20025D 6323A20025D R 267110 REMOTE CONTROLLER ASSEMBLY 6711A10008U 6711A10008U R 268714 PWB PCB ASSEMBLY MAIN 6871A10131B 6871A10131G R 330860 DRAIN PAN ASSEMBLY 3087A10015C 3087A10015B R 336610 HOUSING MECH WRAPPER 3660A20033A 3660A20033A R 346810 MOTOR ASSEMBLY INDOOR 4681A10022B 4681A10022A R 352118 TUBE ASSEMBLY MENIFOLD INDOOR 5211A25011B 5211A10418C R 354210 EVAPORATOR ASSEMBLY FIRST 5421A21002A 5421A20153A R 359012 1 FAN ASSEMBLY BLOWER Single 5901A20030A 5901A20030A R 359012 2 FAN ASSEMBLY BLOWER Single 5901A20030B R 352111 TUBE ASSEMBLY CONNECTOR 5211A20514G R 552111 TUBE ASSEMBLY EVAPORATOR IN 5211A25010A 5211A10417B R WOCZZ CAPACITOR DRAWING 3A02157K 3A02157H R Service Manual 59 Exploded View amp Replacement Parts List Duct Type High Static BH chassis 60 Multi Type Air Conditioner Exploded View amp Replacement Parts List LOCATION DESCRIPTION dads pue No LMNH242BHA0 LMNC242BHA0 CODE 152302 FILTER MECH A C 5230A30001M 5230A30001A R 237210 PANEL ASSEMBLY UPPER 3721A20177A 3721A20184A R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A14002B 4995A20011B R 263230 1 THERMISTOR ASSEMBLY IN 6323AQ3226G 6323AQ3226G R 263230 2 THERMISTOR ASSEMBLY ROOM 6323AQ3214E 6323AQ3214Q R 263230
31. 40000 4740 22 1 18 DUCT 24 DUCT 42 18000 24000 42000 4740 22 1 24 S RAC 24 S RAC 48 22000 22000 44000 5360 24 7 24 DUCT 24 DUCT 48 24000 24000 48000 5360 24 7 3 UNIT 12 S RAC 12 5 8 0 24 S RAC 48 12500 12500 22000 47000 5360 24 7 12 DUCT 12 DUCT 24 DUCT 48 12000 12000 24000 48000 5360 24 7 Heating Indoor Unit Combination Capacity Btu h Operation Index k Btu h 1 n p ud A Total Uni A Unit B Unit C Total W A 1 UNIT 12 S RAC 12 13000 13000 1460 6 8 12 DUCT 12 12000 12000 1460 6 8 18 S RAC 18 18000 18000 2190 10 2 18 DUCT 18 18000 18000 2190 10 2 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 24 S RAC 24 22000 22000 2600 12 1 24 DUCT 24 24000 24000 2600 12 1 2 UNIT 12 S RAC 12 S RAC 24 12500 12500 25000 2760 12 6 12 DUCT 12 DUCT 24 12000 12000 24000 2760 12 6 12 S RAC 24 S RAC 36 13000 22000 35000 4060 18 9 12 DUCT 24 DUCT 36 12000 24000 36000 4060 18 9 18 S RAC 24 S RAC 42 18000 22000 40000 4740 22 1 18 DUCT 24 DUCT 42 18000 24000 42000 4740 22 1 24 S RAC 24 S RAC 48 22000 22000 44000 5360 24 7 24 DUCT 24 DUCT 48 24000 24000 48000 5360 24 7 3UNIT 12 S RAC 12 S RAC 24 S RAC 48 12500 12500 22000 47000 5360 24 7 12 DUCT 12 DUCT 24 DUCT 48 12000 12000 24000 48000 5360 24 7 12 Multi Type Air Conditioner Combination Table
32. 51A20099C 3551420099C 3551A20099C R 146811 MOTOR ASSEMBLY STEP 4681 20055 4681A20055A 4681A20055A 4681A20055A 4681A20055A R 15302 FILTER MECH A C 5230A20001A 5230A20001A 5230A20001A 5230A20001A 5230 20001 R 152131 FILTER ASSEMBLY DEODORIEER 5231A20032F 5231A20032F 150830 AIR CLEANER ASSEMBLY 5983A10006U 5983A10006T R 159901 1 VANE HORIZONTAL 5990A20008A 5990A20008A 5990A20008A 5990A20008A 59904200088 R 159901 2 VANE HORIZONTAL 5990A20009A 5990A20009A 5990A20009A 5990A20009A 5990 200098 R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A10072H 4995A20361X 4995A20361W 4995A10072F 4995 10072 R 263230 1 THERMISTOR ASSEMBLY 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T R 263230 2 THERMISTOR ASSEMBLY 6323A20004A 6323A20004A 6323A20004A 6323A20004A 6323 20004 R 266090 ASSEMBLY 6609A10003L 6609A10003L 267110 REMOTE CONTROLLER ASSEMBLY 6711A20073F 6711420073N 6711A20073M 6711A20073L 6711A20025U R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194B 6871A20194B 6871A20194B 6871A20194B 6871A201048 R 268715 PWB PCB ASSEMBLY MAIN AC 6871A20267B 6871A20267B 6871A20267B 6871A20267B 6871A20267B R 268716 PWB PCB ASSEMBLY MAIN DC 6871A20440Q 68714204400 6871 204408 68714204408 6871A20440R R 342800 BEARING 4280A20004A 4280A20004A 4280A20004A 4280 20004 4280 20004 R 346810 MOTOR ASSEMBLY
33. 5KAF Maker LG LG LG LG Capacity kcal h Btu h 25700 12900 25700 12900 Motor Type Single Phase Induction Motor PSC Single Phase Induction Motor PSC Motor Input 2424 1205 2424 1205 Oil Type ATMOS M60 or SUNISO 4GSI ATMOS M60 or SUNISO 4GSI Oil Charge cc 700 350 700 350 O L P Type model name Internal External Internal External Compressor B Locked Rotor Amp A 68 68 Single Cycle Type Rotary Rotary Quantity No 1 1 Model QP348KCE QP348KCE Maker LG LG Capacity kcal h Btu h 25700 25700 Motor Type Starting Type Single Phase Induction Motor PSC Single Phase Induction Motor PSC Motor Input 2424 2424 Oil Type ATMOS M60 or SUNISO 4GSI ATMOS M60 or SUNISO 4GSI Oil Charge cc 1130 1130 O L P Type model name Internal Internal Refrigerant Charge g oz type TPS Cycle 2500 88 2 at 7 5m Single Cycle 1900 67 0 at 7 5m TPS Cycle 2500 88 2 at 7 5m Single Cycle 1900 67 0 at 7 5m Type R22 R22 Control LE V L E V Coil Tube Size OD inch mm 0 276 7 0 0 276 7 0 Fins per inch 18 18 of Rows amp Column No 2R 36C 2R 36C Fan Motor Output W 260 260 Model IC 13670 LG39G IC 13670 LG39G No of Poles 6 6 Input 143 143 Running Current A 0 77 0 77 Capacitor uF Vac 6 400 6 400 Fan Type Axial FAN Axial FAN No Used Diameter EA inch mm 1 220 7 526 1 220 7 526 Discharge Side Top Discharge Top Discharge Speed rpm 1040 840 1040 840 Air Circulation CMM CFM 85 3002 85 3002 Noise Level Sound Press 1m dBA 65 65 SVC Valve
34. 6 3531A10116A 3531A10116A 3531A10116A R 135314 GRILLE ASSEMBLY INLET SUB 3531A20107W 3531A20107V 3531A20107W 3531A20107V R 135316 GRILLE ASSEMBLY FRONT INDOOR 3531A20207E 3531A24010F 3531A20207E 3531A20207F R 135516 COVER ASSEMBLY MOTOR 3551A20099C 3551A20099C 3551A20099C 3551A20099C R 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A 4681A20055A 4681A20055A R 152302 FILTER MECH A C 5230A20001A 5230A20001A 5230A20001A 5230A20001A R 159830 AIR CLEANER ASSEMBLY 5983A10006T 5983A10006T R 159901 1 VANE HORIZONTAL 5990A20008A 5990A20008A 5990A20008A 5990A20008A R 159901 2 VANE HORIZONTAL 5990A20009A 5990 20009 5990A20009A 5990A20009A R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20361E 4995A20361K 4995A20361F 4995A20361L R 263230 1 THERMISTOR ASSEMBLY 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T 263230 2 THERMISTOR ASSEMBLY 6323A20004A 6323A20004A 6323A20004A 6323A20004A R 266090 H V ASSEMBLY 6609A10003L 6609A10003L R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20067J 6711A20067G 6711A20067J 67114200676 R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194B 6871A20194B 6871A20194B 6871A20194B R 268715 PWB PCB ASSEMBLY MAIN AC 6871A20267B 6871A20267B 6871A20267B 6871A20267B R 268716 PWB PCB ASSEMBLY MAIN DC 6871A20440E 6871A20440L 6871A20440F 6871A20440M R 342800 BEARING 4280A20004A 4280A20004A 4280A
35. 871A20440P 6871A20440P R 342800 BEARING 4280A20004A 4280A20004A 4280A20004A 4280A20004A 4280 20004 R 346810 MOTOR ASSEMBLY INDOOR 4681A20048D 4681A20048D 4681A20048D 4681A20048D 46814200480 R 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A20038H 5211A20038H 5211A20038H 5211A20038H 5211A20388H 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211 20389 5211A20389F 5211A20389F 5211A20389F 5211A20389F R 352150 HOSE ASSEMBLY DRAIN 5251AR2575F 5251AR2575F S251AR2575F S251AR2575F 5051 2575 R 354210 EVAPORATOR ASSEMBLY FIRST 5421A20086A 5421A20086A 5421A20086A 5421A20086A 5421A20086A R 359011 FAN ASSEMBLY CROSS FLOW 5801 20007 5901A20007A 5901 20007 5901420007 5901A20007A R 733010 PLATE ASSEMBLY INSTALL 1H00843A 1H00843A 1H00843A 1 00843 1H008434A R WOCZZ CAPACITOR DRAWING 3H01487A 3 01487 3HO1487A 3H01487A 3HOMS7A R 54 Multi Type Air Conditioner Exploded View amp Replacement Parts List ST Chassis _ Service Manual 55 Exploded View amp Replacement Parts List LOCATION PART No svc No LMNH182LTLO LMNH182LTAO LMNH242LTLO LMNC182LTAO CODE 131410 CHASSIS ASSEMBLY 3141A10002A 3141A10002A 3141A10002A 3141A10000A R 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531 1011
36. C Setting the Timer 5 Timer Cancel 55 Program Week Holiday 4 gt SET CLR O OO Hour Min Fan Operates without cooling amp heating 28 Multi Type Air Conditioner o e e Functions OPERATION SET TEMP FAN SPEED SUB FUNCTION Heater w Ww x 1 TINO i Outdoor 55 Time 1234 Timer Operation unit Program set Sur Mon Tue 4 my 8 58 Off Setno Time 01 03 05 07 09 11 13 15 17 19 21 28 D Signal s v a O 2 receiver 7 5 8 5 9 6 0 1 14 12 13 15 Operation display Timer Set Button Displays the operation conditions On Off Button Operation starts when this button is pressed and stops when the button is pressed again Set Temperature Button Used to set the temperature when the desired temperature is obtained FAN Operation Button Used to circulate room air without cooling or heat ing Fan Speed Button Used to set desired fan speed Operation Mode Selection Button Used to select the operation mode Auto Operation Mode Cooling Operation Mode Soft Dry Operation Mode Heating Operation Mode except cooling model Timer Cancel Button Used to cancel the timer 9 10 11 13 14 15 Used to set the timer when the desire
37. C3198Y 25V 10020 002 7805 1SR139 600 lt coso 470uF Ile 88139600 IC01D 0010 b 1SR139 600 7812 CO4D RCRD Co2D SN 0010 001 470uF 0 1 2200uF I 25V 4 25V 50V 35V POWER TRANS CN POWER 19 Service Manual coD
38. CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction 7 ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion 8 TIME SETTING BUTTONS Used to adjust 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 heat ing 12 ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature 13 PLASMA OPTIONAL Used to start or stop the plasma purification function 14 RESET BUTTON Initialize remote controller io 2 Heat Pump Cooling Only 8 15 2nd F Button Used prior to using modes printed in blue at the bot tom of buttons 16 AUTO CLEAN Art type only Used to set Auto Clean mode Service Manual 27 Functions Duct Type Remote Controller Operation ON OFF rij Operation Mode Selection KOA KOXA Cooling Operation Mode 3 Soft Dry Operation Mode Cooling Heating Heating Operation Mode Auto Operation Mode model only model only Fan Speed Selection amp LO to amp HI High Room Temperature Display High 39 C LOW 11 C Temperature Setting 4 r Down to 18 C r Down to 16 C Cooling Up to 3050 Healing Up to 30
39. CN U D and GND 2 If there no problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver Service Manual 49 Disassembly of the parts Indoor unit Disassembly of the parts Indoor unit 1 SR ST Chassis 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 Set the up and down air discharge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward Before removing the control box be sure to take out the wire screwed at the other end 2 To remove the Control Box Remove securing screws Pull the control box out from the chassis carefully 50 Multi Type Air Conditioner Up and down air direction louver Display P C B Conductor Sensor Conductor Step Motor Earth Conductor Disassembly of the parts Indoor unit 3 To remove the Discharge Grille Unhook the discharge grille and pull the discharge grille out from the chassis carefully 9 9 q 4 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder
40. DUCT 36 18000 18000 36000 4060 18 9 18 S RAC 24 S RAC 42 18000 22000 40000 4740 22 1 18 DUCT 24 DUCT 42 18000 24000 42000 4740 22 1 24 S RAC 24 S RAC 48 22000 22000 44000 5360 24 7 24 DUCT 24 DUCT 48 24000 24000 48000 5360 24 7 3 UNIT 12 S RAC 12 S RAC 12 S RAC 36 12500 12500 12500 37500 4060 18 9 12 DUCT 12 DUCT 12 DUCT 36 12000 12000 12000 36000 4060 18 9 12 S RAC 12 S RAC 24 S RAC 48 12500 12500 22000 47000 5360 24 7 12 DUCT 12 DUCT 24 DUCT 48 12000 12000 24000 48000 5360 24 7 12 S RAC 18 S RAC 24 S RAC 54 12500 18000 22000 52500 6030 27 8 12 DUCT 18 DUCT 24 DUCT 54 12000 18000 24000 54000 6030 278 18 S RAC 18 S RAC 24 9 60 18000 18000 22000 58000 6700 30 9 18 DUCT 18 DUCT 24 DUCT 60 18000 18000 24000 60000 6700 30 9 12 S RAC 24 S RAC 24 S RAC 60 12500 22000 22000 56500 6700 30 9 12 DUCT 24 DUCT 24 DUCT 60 12000 24000 24000 60000 6700 30 9 4UNIT 12 S RAC 12 S RAC 12 S RAC 24 S RAC 60 12500 12500 13000 22000 60000 6700 30 9 12 DUCT 12 DUCT 12 DUCT 24 DUCT 60 12000 12000 12000 24000 60000 6700 30 9 14 Multi Type Air Conditioner Dimensions Dimensions 1 Indoor Unit _ 1 Split Type DIM MODEL SR 12K ST 18K 24K W m 900 1080 H m 285 814 D m 156 182 BT BT1
41. INDOOR 4681 20003 4681A20003F 4681 20008 4681A20003F 4681A20003F R 352118 TUBE ASSEMBLY TUBING 5211AR7066U S211AR7066U 5211AR7066U 5211AR7066U 5211AR7066U R 352115 TUBE ASSEMBLY EVAPORATOR IN 5211 30058 5211A30058H 5211A30097J 5211A30097J 5211A30058H R 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211 300570 52114300570 5211430098G 5211A30098G 5211A30057D 352150 HOSE ASSEMBLY DRAIN 5251AR2575F 5251AR2575F 5251AR2575F S251AR2575F 5251AR2575F R 359011 FAN ASSEMBLY CROSS FLOW 5901A20008A 5901A200088 5901A20008A 5901A20008A 5901A20008A R 733010 PLATE ASSEMBLY INSTALL 3301A10002A 3301A10002A 3301 10002 3301A10002A 3301A10002A R WOCZZ CAPACITOR DRAWING 3H01487G 3H01487G 3H01487G 3H0148 G 3H01487G R W51620 SOCKET MECH FLARE 5162A20011A 5162A20011A 5162 20011 5162A20011A 5162A20011A R Service Manual 57 Exploded View amp Replacement Parts List Low Static BT BT1 chassis Duct Type 58 Multi Type Air Conditioner Exploded View amp Replacement Parts List LOCATION svc No LMNH126BTGO LMNH186BTGO CODE 152302 FILTER MECH 5230A30001Q 5230A30001P R 237203 PANEL ASSEMBLY UPPER 3721A20150B 3721A20150A R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20338E 4995A20338J R 263230 1 THERMISTOR ASSEMBLY IN 6323AQ3226G 6323AQ3226G R 26
42. ON OFF Operation Mode Selection KAO CO Cooling Operation Mode 3k Auto Operation Mode A model oni Healthy Dehumidification Operation Mode Heating Operation Mode zt Fan Speed Selection S F m a Room Temperature Display High 39 C 4 LOW 11 Temperature Setting TEMPERATURE HIGH LOW Down to 18 C Down to 16 Heating Cooling AY Up to 30 Up to 30 C JET COOL Setting the Time or Timer I 0 0 Timer Selection 29925 OFF ON OFF lt ON 0 0 Timer Setting SET 1 ps Cancel Sleep Mode Timer ON or Timer OFF Sleep Operation 1 2 3 4 5 6 7 Airflow Direction Control 0 Fan Operates without cooling or heating j RESET Service Manual 25 Functions Signal Receptor receptor Self diagnosis Func Defrost Mode OUT OUTDOOR UNIT DOOR OPERATION Error Indicator The function is to self diagnoisis airconditioner and express the troubles identifically if there is any trouble Error mark is ON OFF for the operation LED of evaporator body in the same manner as the following table If more than two troubles occur simultaneously primarily the highest trouble fo error code is expressed After error occurrenc
43. astic parts of the prod uct Do not step on or put anyting on the product Do not insert hands or other objects through outdoor units the air inlet or outlet while the product is oper ated There is risk of personal injury and failure of product There are sharp and moving parts that could cause personal injury 6 Multi Type Air Conditioner Details of LG Model E Details of LG Model Name Outdoor Unit L4UH602FA0 Development Sequence Function A Basic Multi Type F Free joint multi Electric Standard Volts Freq Phase 2 220V 60Hz 10 Capacity 48 48 000 Btu h 60 60 000 Btu h Model Type C Cooling only H Heat pump Outdoor Indoor U Outdoor N Indoor Max No of indoor units 4 One outdoor unit can connect with four indoor units Reference to combination table Making place Refrigerant L Changwon of korea R22 Indoor Unit LMNH242LTLO Development Sequence Function A Basic L Plasma Chassis Type T ST chassis R SR chassis Type L SR ST chassis L look Electric standard Volts Freq Phase 2 220V 60Hz 10 i Capacity 12 12 000 Btu h 24 24 000 Btu h Model Type C Cooling only H Heat pump Outdoor Indoor U Outdoor N Indoor Multi Type M Multi Making place
44. at the right 1EA Unhook the tab on the right inside of the chassis at the same time slightly pull the evaporator toward you until the tab is clear of the slot 5 To remove the Motor Cover Remove 2 securing screw Pull the motor cover out from the chassis carefully Motor cover Service Manual 51 6 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 Remove the left end of the cross flow fan from the self aligning bearing Cross flow fan Bearing 52 Multi Type Air Conditioner Exploded View amp Replacement Parts List Exploded View amp Replacement Parts List 1 Indoor Unit SR Chassis NW IS De Service Manual 53 Exploded View amp Replacement Parts List LOCATION svc No LMINC122LRLO LMINH122LRA0 LMNCT22LRLO LMNCT22LRAO L3NC122NRA1 CODE 131410 CHASSIS ASSEMBLY 314120005B 3141A20005B 3141A20005B 31414200058 31414200058 R 135311 GRILLE ASSEMBLY DISCHARGE NDOOR 5231 10230 5231A10230A 5231A10230A 5231A10230A 5231A10230W R 150313 FILTER ASSEMBLY DEODORIZER 5231A20032C 5231A20032E 5231A20032C 5231A20030E 135
45. ation if remote controller signal is received the unit operates as remote controller sets If you want to use this operation open the front panel upward and Press the power button let it be pressed for about 3 seconds f you want to stop the operation re press the button B Auto restart n 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 E 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 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 36 Multi Type Air Conditioner Operation Details Remote Control Operation Mode When the remote control is selected by the slide switch on the main unit the appliance operates according to the input by the remote control Protection of the evaporator pipe from frosting e If the indoor pipe temp is below 0 C in 7 min after the compresso
46. d time is obtained Week Button Used to set a day of the week Program Button Used to set the weekly timer Holiday Button Used to set a holiday of the week Time Set Button Used to set the time of the day and change the time in the weekly timer Function Set and Clear Button Used to set and clear the weekly timer Room Temperature Checking Button Used to check the room temperature Reset Button Used to set the current time and clear the setting time Service Manual 29 Functions Outdoor Unit Two Comp algorithm Inverter Comp is first priority and then Constant Comp is turning on responding to load condtion Operating Frequency Inverter Frequency varies considering condition such as room temp outdoor temp operating room number Temp gap between room temp and set temp and so on LEV Control LEV pulse is modulated to keep constant superheat or subcooling Out door Fan Control Outdoor fan operates at High Low or Off to respond to the load condition R Valve Control Convert R Valve to change cooling to heating heating to cooling Comp Pre Heat Logic Checking outdoor temp D Pipe temp Heat Sink Temp operate compressor at low frequency upto 5min to preheat oil Defrost Function After 35 min heating operation check the defrost condition and if outdoor pipe temp is below 6 C and released from deice operation in case outdoor pipe temp is over 15 C or 7 min cooing mode To deic
47. e if error is released error LED is also released simultaneously To operate again on the occurrence of error code be sure to turn off the power and then turn on Having or not of error code is different from Model Error LED Indoor body operation LED D Lights up during the system operation See Mode jghts up during Sleep Mode Auto operation Timer Lights up during Timer operation Error contents Receives the signals from the remote controller Signal receiving sound two short beeps or one long beep Lights up during Defrost Mode or Hot Start operation Heat pump model only Lights up during outdoor unit operation Cooling model only SVC check point e a HJ 5sec q 3sec P 1 3sec Pi 3sec Indoor air temperature thermistor open short Indoor air TH ass y check twice 3sec 3sec Indoor inlet pipe temperature thermistor open short Indoor inlet pipe TH ass y check 1111 q 3sec Pi Poor communication Communication line circuit 6times TELE 3sec P Indoor outlet pipe temperature thermistor open shor Indoor outlet pipe TH ass y check 3se Defferent Operation Simultanueous operation of cooling and heating Operate indoor units only heating or cooling mode D D D p p p p 45 60 Indoor EEP ROM data Art type only Replace
48. e Room Temperature Room temperature sensor THERMISTOR Room temperature control Maintains the room temperature in accordance with the Setting Temp Starting Current Control Indoor fan is delayed for 5 sec at the starting Time Delay Safety Control Restarting is inhibited for approx 3 minutes Indoor Fan Speed Control High Med Low CHAOS JET COOL Operation indication Lamps LED Refer to 26 page signal receptor Soft Dry Operation Mode PLASMA Intermittent operation of fan at low speed The function will be operated while in any Sleep Mode Auto Control operation mode with selecting the function The function is to be stopped while it is The fan is switched to low Cooling med Heating speed operating with selecting the function The unit will be stopped after 1 2 3 4 5 6 7 hours Defrost Deice control Heating Natural Air Control by CHAOS Logic Both the indoor and outdoor fan stops dur ing defrosting The fan speed is automatically switched from high to low speed Hot star ntrol Heatin Airflow Direction Control content 9 The indoor fan stops until the The louver can be set at the desired position or swing evaporator pipe temperature will be reached up and down automatically at 28 C The fan is switched to intermittent or irregular operation 24 Multi Type Air Conditioner Functions Split Type Remote Controller Operation
49. e outdoor heat exchanger in low temp condtion convert operating mode from heating to cooling in this case indoor and outdoor fan is off Return System n heating operation every 3 hours changes from heating to cooling for 5 min to return the oil in piping to compressor IPM Over Heat Protection To protect IPM overheat down comp Hz Comp Overload Protection To protect comp from being overload down comp Hz Low Pressure Protection f cylce pressure is low around 0 3kgf cm2 turn off comp and outdoor fan 30 Multi Type Air Conditioner Operation Details Operation Details 1 C O Model Operation Indicator On while in appliance operation off while in appliance pause Flashing while in disconnection or short in Thermistor 3 sec off 0 5 sec on Sleep Timer Indicator On while in sleep timer mode off when sleep timer cancel or appliance operation pause Timer Indicator On while in timer mode on off off when timer mode is completed or canceled Comp Running Incidator While in appliance operation on while in outdoor unit compressor running off while in compressor off 2 H P Model Operation Indicator On while in appliance operation off while in appliance pause Flashing while in disconnection or short in Thermistor 3 sec off 0 5 sec on Sleep Timer Indicator On while in sleep timer mode off when sleep timer ca
50. es mien nian 2 MP 0 01 e 229435 50 dz AVss RW R32 62 813 2 414 AVref C R33 1 ss 5 67 7 SYNC R34 60 58 6 R66 AN6 BRK R35 se 7 R65 AN5 R36 58 t 8 R64 AN4 HALT R37 57 1 9 R63 AN3 DO R00 56 2 10 Re2 AN2 Di 55 3 n 11 R61 AN1 D2 R02 54 4 4 12 Re0 ANO R03 59 13 57 1 DA 04 52 14 R56 PWMO 05 51 88 15 R55 BUZ D R06 50 10 9 16 R54 WDTO D7 R07 49 OR 8 zz i 17 R53 Srdy R10 3 YL 12 7 18 R52 Sclk 1 R11 7 PK 13 6 lt 19 R51 Sout A2 2 6 BL MEET 20 R50 Sin R13 as 15 ep th 21 RA7 T30 A4 R14 44 16 12 22 R46 T10 A5 R15 hog 23 R45 EC2 A6 16 42 24 R44 EC0 A7 RI7 Icom gt 25 R43 INT3 R20 40 ax gt 26 R42 INT2 A10 R21 39 27 R41 INT1 11 R22 38 Ren 28 R40 INTO A12 R23 37 5 29 RESET A13 R24 36 E T eae XIN 14 R25 35 201 85 31 XOUT A15 R26 34 32 VSS 16 R27 RO2L 10K OScoiB 1 CT ICO1K TLP621 RO1L 1K 1SR139 600 f E 0 00 WI cow BRE Ed ICO2K TLP627 9 1286 2 47 ROIC IK i 3 oak 680 ROSK 04C 10K ROSC20K 2 I 26K 3W 196 FREQUENCY gt EJ Core KT
51. ever one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the gas side valve s service port This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m 4 2kg m 5 5kg m Be sure to check for gas leakage Service Manual 41 Cycle Troubleshooting Guide Cycle Troubleshooting Guide Trouble analysis 1 Check temperature difference between intake and discharge air and operating current Temp Difference Operating Current Notice r 41 Current Temp difference approx 0 C less than 80 of rated current Current Temp difference approx 8 C less than 80 of rated current t Current Temp difference less than 8 C near the rated current Temp difference over 8 C All amount of refrigerant
52. function for 3 minutes after stopped 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 l1 s Caused by other parts except the remote controller Caused by the remote controller d d When the 4 is displayed in LCD screen replace battery Check the contact of CN DISP1 connector lE d 5 Atia temperature regulating and wind speed selecting 9 0 0 d Um Replace remote controller Check point Check the connecting circuit between PIN RO1L 1K CO1L 680PF MICOM PIN Check Receiver Ass y Service Manual 45 Electronic Parts Troubleshooting Guide 3 When Turn on Main Power d Operate Cooling Mode 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 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
53. hock 4 Multi Type Air Conditioner Safety Precautions Do not store or use flammable gas or com If strange sounds or smell or smoke comes bustibles near the product from product Turn the breaker off or discon nect the power supply cable There is risk of fire or failure of product There is risk of electric shock or fire Do not open the inlet grille of the product dur Be cautious that water could not enter the ing operation Do not touch the electrostatic product filter if the unit is so equipped e There is risk of physical injury electric shock or product fail There is risk of fire electric shock or product damage ure Service Manual 5 Safety Precautions ACAUTION Bi Installation check for gas refrigerant Install the drain hose to Keep level even when leakage after installation or ensure that water is drained installing the product repair of product away properly Low refrigerant levels may cause fail A bad connection may cause water To avoid vibration or water leakage ure of product leakage 2 Operational Use two or more people to lift Use soft cloth to clean Do Do not touch the metal parts and transport the product not use harsh detergents sol of the product when removing vents etc the air filter They are very sharp Avoid personal injury There is risk of fire electric shock or There is risk of personal injury damage to the pl
54. lt Qs Heating Qs lt 12k Qs lt 24k 24k lt Qs If overload Max capacity display error code in indoor unit Qs Summation of indoor unit capacity S is summation Max capacity Outdoor Max capacity 48k 48k combination 60k 60k combination Service Manual 43 Electronic Parts Troubleshooting Guide l Electronic Parts Troubleshooting Guide NO Does the Operating LED of indoor unit blink when Operation s ON Refer to the self diagnosis function NO NO Is the Connection between CN Power of indoor 1 t unit and terminal block the connecting state connector YES NO Is the connection of cable between indoor and Indoor Outdoor outdoor unit ringht 1 L Brown 1 L Brown 2 N Blue 2 N Blue YES Green YL Green YL IL 3 Red 3 Red Is the voltage of CN POWER Q in outdoor Ass y about AC220V 240V Ina man puwar NO YES Check the Fuse of outdoor PCB Chek the connecting state of wires NO E Replace the PCB Ass TPS units start at three minutes after main power turning on 44 Multi Type Air Conditioner Electronic Parts Troubleshooting Guide Turn on Main Power LEES While the compressor has been stopped the compressor does not operate owing to the delaying
55. lve to the closed position Do this quickly so that the gauge ends up indi cating 1kg cmig Disconnect the charge set and mount the liquid side and gas side valve caps and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8kg m 4 2kg m 5 5kg m Be sure to check for gas leakage Service Manual 39 2 way 3 way Valve All amount of refrigerant leaked NW N Liquid side vi Outdoor unit 22 2 Way ti valve Jy J USA Gas side n 7 Ug 7 3 Way Open valve NW Liquid side Vacuum pump Hi handle OPEN Procedure 1 Confirm that both the liguid side valve and gas 7 Disconnect the charge hose from the vacuum side valve are set to the opened position pump Vacuum pump oil 2 Connect the vaccum pump to the center hose of If the vacuum pump oil becomes dirty or deplet the manifold gauge ed replenish as needed 3 Connect the service port of the gas side valve to 8 Mount the valve caps and the service port caps the low side of the gauge 4 Connect power supply to outdoor unit Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 9 Close the Low handle of the gauge turn off the vacuum pump a
56. main PCB DC ASM 0000 DDIN Z222 3 3sec q 3sec gt j Outdoor air temperature thermistor open short Outdoor air TH ass y check BEHBH JHBHHEH 3sec Pi Outdoor pipe themperature thermistor open short Outdoor pipe TH ass y check HH Tasc Pl DE Overload combination Indoor unit combination check Refer to Max capacity eo 26 Multi Type Air Conditioner x ten digits digits Functions The Remote Controller transmits the signals to the system P Signal transmitter 5 1 3 4 2 10 7 9 T 16 8 12 19 Flip up door opened Operation Mode Cooling Operation Auto Operation Healthy Dehumidification Operation Heating Operation 201 Cooling Model lt Heat Pump Model 1 START STOP BUTTON Operation starts when this button is pressed gt and stops when the button is pressed again 2 OPERATION MODE SELECTION BUTTON Used to select the operation mode 3 ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature 4 INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low medium high and CHAOS 5 JET COOL Used to start or stop the speed cooling heating Speed cooling heating operates super high fan Speed 6
57. mote control On Timer Operation When the set time is reached after the time is input by the remote control 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 If the appliance is operating at the time set by the timer the operation continues 34 Multi Type Air Conditioner Operation Details E Off Timer Operation When the set time is reached after the time is input by the remote control 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 If the appliance is on pause at the time set by the timer the pause continues Off Timer lt gt On Timer Operation When the set time is reached after the on off time is input by the remote control the on off timer operation is carried out according to the set time Sleep Timer Operation When the sleep time is reached after 1 2 3 4 5 6 7 0 cancel hr is input by the remote control while in appli ance 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
58. ncel or appliance operation pause Timer Indicator On while in timer mode on off off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control 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 above the setting temp they start to operate again Compressor ON Temp 2 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 control While in compressor not running operating with the low airflow speed regardless of the setting Healthy Dehumidification Mode When the dehumidification operation input by the remote control is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 lt Intake Air Temp 2 25 24 lt Intake Intake Air Temp lt 26 C 2 Intake Air Temp 1 C 18 C lt Intake Intake Air Temp lt 24 C 2 Intake Air Temp 0 5 C Intake Air Temp 18 C 2 18 C Service Manual 31 Operation Details 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 min dehumidifica tion operation and 4 min compressor off repeat
59. nd confirm that the gauge nee dle does not move approximately 5 minutes after turning off the vacuum pump 40 Multi Type Air Conditioner 3 Gas Chai After Evacuation 2 way 3 way Valve valve Open Outdoor unit SSSN Gas side Liquid side SN v 2 Wa NW Liquid side 27 2 Way valve Gas side SN Charging manifold gauge cylinder Low handleZ7Z 7 La OPEN i Hi handle OPEN Procedure 1 Connect the gauge to the charging cylinder Connect the charge hose which you disconnect ed from the vacuum pump to the valve at the bottom of the cylinder If you are using a gas cylinder also use a scale and reverse the cylinder so that the system can be charged with liquid 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air Be careful of the liquid refrigerant The procedure is the same if using a gas cylinder 3 Open the low handle on the gauge and charge the system with liquid refrigerant If the system can not be charged with the speci fied amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle how
60. nds after 12 minutes passed from starting of defrost operation or after the outdoor fan operates with in max 2 minutes 30 seconds when the outdoor pipe temperature rises over 12 even it before 12 minutes The second defrost starts only when the outdoor pipe temperature falls below 6 after 60 minutes passed from ending of the first defrost and more than 10 minutes operation of compressor 32 Multi Type Air Conditioner Operation Details Fuzzy Operation C O Model According to the temperature set 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 lt Intake Air Temp D 25 C 24 lt Intake Air Temp lt 26 C 2 Intake Air Temp 190 22 lt Intake Air Temp lt 24 C D Intake Air Temp 0 5 C 18 lt Intake Air Temp lt 22 C gt Intake Air Temp Intake Air Temp lt 18 C D 18 C e 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 Fuz
61. nnot 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 When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach further Forced Operation Operation procedures when the remote control can t be used The operation will be started if the power button is pressed f 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 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 24 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 B Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room tem perature and resets in 18 1 minutes During test oper
62. of innovation some specifications may be changed without notification 10 Multi Type Air Conditioner Product Specifications Indoor Unit Type Ceiling Duct Model LMNC H 122BTGO LMNC H 182BTGO LMNC H 242BHA0 Nominal Cooling Capacity kcal h W 3024 3516 4536 5274 6048 7032 Btu h 12000 18000 24000 Nominal Heating Capacity kcal h W 3024 3516 4516 5274 6048 7032 Btu h 12000 18000 24000 Air Circulation H M L CMM CFM 10 9 8 352 317 282 13 5 12 10 477 424 353 20 18 16 706 636 565 External Static Pressure mmAq 2 2 8 Setting temperature range cool heat 18 30 16 30 18 30 16 30 18 30 16 30 Fan motor Output 35 126 60 YDK110 YSK110 IC 13450LG No of Poles 4 4 4 Input Ww 68 126 140 Running Current A 0 31 0 58 0 8 Capacitor uF Vac 2 5 400 2 5 370 6 370 Fan Type Sirocco Fan Sirocco Fan Sirocco Fan No Used Diameter EA inch mm 1 7 8 197 2 7 8 197 2 7 0 177 Fan RPM Cooling H M L rpm 1130 1030 960 Heating H M L rpm 1130 1030 960 Noise H M L dBA 37 34 31 38 36 34 37 35 33 Sound Press 1m Temperature controller Thermistor Thermistor Thermistor Coil Tube Size OD inch mm 0 276 7 0 0 276 7 0 0 276 7 0 Fins per inch 18 18 21 No of Rows amp Column 3R 12C 2R 12C 3R 10C Dehumidification Rate 12 2 3 Dimensions W H D mm 25 6 9 0 21 1 650 230 535 39 4 11 8 21 1 1
63. ounter clockwise connected manifold gauge Evacuation Open 5 Servicing ad Gee with charging cylinder Gas charging Open 5 Servicing open with charging cylinder Pressure check Open 4 Servicing re with charging cylinder Gas releasing Open Servicing with charging cylinder 38 Multi Type Air Conditioner 2 way 3 way Valve NW N Liquid side 017 Close Outdoor unit manifold gauge andle Hi handle CLOSE CLOSE Procedure 1 Confirm that both the gas side and liquid side 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 3 Stop operation and wait for 3 minutes then con nect the manifold gauge to the service port of the gas side valve Connect the hose of the gauge with the push pin to the service port 4 Air purging of the charge hose Open the Low handle valve on the gauge slightly to air purge from the hose 5 Set the liquid side valve to the closed position Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm g Immediately set the gas side va
64. pe Starting Type Single Phase Induction Motor PSC Single Phase Induction Motor PSC Motor Input 2424 2424 Oil Type ATMOS M60 or SUNISO 4GSI ATMOS M60 or SUNISO 4GSI Oil Charge cc 700 700 O L P Type model name Internal Internal Refrigerant Charge g oz type TPS Cycle 1980 69 8 at 7 5m Single Cycle 2140 75 5 at 7 5m TPS Cycle 1980 69 8 at 7 5m Single Cycle 2140 75 5 at 7 5m Type R22 R22 Control L E V Coil Tube Size OD inch mm 0 276 7 0 0 276 7 0 Fins per inch 18 18 of Rows amp Column No 2R 36C 2R 36C Fan Motor Output W 207 207 Model IC 13670 LG39F IC 13670 LG39F No of Poles 6 6 Input 340 340 Running Current A 1 5 1 5 Capacitor 8 6 400 6 400 Fan Type Axial FAN Axial FAN No Used Diameter EA inch mm 1 20 7 526 1 020 7 526 Discharge Side Top Top Discharge Top Discharge Speed rpm 1000 1000 Air Circulation CMM CFM 80 2967 80 2967 Noise Level Sound Press 1m dBA 60 60 SVC Valve Liquid inch mm 1 4 6 35 3EA 1 4 6 35 3EA Gas inch mm 1 2 12 7 3EA 1 2 12 7 3EA Drain ID 0 mm Dimensions W H D inch mm 28 0 32 6 27 711 x 828 x 686 28 0 32 6 27 711 x 828 x 686 Net Weight kg Ibs 120 264 5 120 264 5 Power Supply Cable 3 4 5 Includes earth 3 4 5 Includes earth Interunit Cable mm 4 0 75 Includes earth 4 0 75 Includes earth Max Interunit Piping Total of Each Room m 50 TPS Cycle 20 Single Cycle 50 TPS Cycle 20 Single Cycle Length For One Room m 3
65. r operates without any pause while in cool ing cycle operation mode the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting When the indoor pipe temp is 7 C or higher after 3 min pause of the compressor the compressor and the outdoor 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 by the remote control the long beep sounds When 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 37 2 way 3 way Valve 2 way 3 way Valve 2 way Valve Liquid Side 3 way Valve Gas Side Hexagonal wrench 4mm Open position Closed position Flare nut To iping connection To outdoor unit iping _ connection Open position Closed position Service Service port cap port To outdoor unit Works Shaft position Shaft position Service port Shippin Closed Closed Closed pping with valve cap with valve cap with valve cap 1 Pumping down Closed Open Open Transfering clockwise c
66. use There is risk of fire or electric shock Improper wiring or installation may There is risk of fire or electric shock cause fire or electric shock Service Manual 3 Safety Precautions Do not modify or extend the Do not install remove or re power cable install the unit by yourself customer There is risk of fire or electric shock There is risk of fire electric shock explosion or injury For installation always con Do not install the product tact the dealer or an defective installation stand Authorized Service Center There is risk of fire electric shock e It may cause injury accident or dam explosion or injury age to the product 5 Y lt Operational Do nottouch operate the Do not place a heater or other product with wet hands appliances near the power cable There is risk of fire or electrical shock There is risk of fire and electric shock Be cautious when unpacking and installing the product Sharp edges could cause injury Be especially careful of the case edges and the fins on the condenser and evaporator Be sure the installation area does not deteriorate with age If the base collapses the air condition er could fall with it causing property damage product failure and personal injury Do allow water to run into electric parts It may cause There is risk of fire fail ure of the product or electric s
67. zy operation the airflow speed of the indoor fan is automatically selected according to the temperature 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 at that moment as follows 24 C lt Inatake Air Temp 2 Fuzzy Operation for Cooling 21 lt Inatake Air Temp lt 24 C 2 Fuzzy Operation for Dehumidification Inatake Air Temp 21 C 2 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 G 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 lt Intake Air Temp D 25 C

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