LG TT-C186HLA0 Service Manual Download Page 2

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Contents

Model Identification .................................................................................................................3

Functions

.................................................................................................................................4

Product Specifications (Cooling & Heating)

..........................................................................7

Dimensions ............................................................................................................................11

Refrigeration Cy cle Di agram

................................................................................................17

Wiring Di agram ......................................................................................................................18

Operation Details ...................................................................................................................21

Installation of Indoo r, Outdoor Unit

.....................................................................................24

Cycle ........................................................................................................................................44

Cycle Troubleshooting Guide

...............................................................................................47

Electronic Parts Troubleshooting Guide

.............................................................................48

Electronic Cont rol D evice

.....................................................................................................51

Schematic Di agram

...............................................................................................................52

Exploded Vi ew and Replacement Parts List

.......................................................................56

–2–

Test Running ......................................................................................................................... 35

3-Way Valve ........................................................................................................................... 39

Summary of Contents for TT-C186HLA0

Page 1: ...ner SERVICE MANUAL MODELS TT C186HLA0 TT C186HLF0 TT C246HLA0 TT C428DLA0 TT C368DLA0 TT C246FLA0 TT C488DLA0 TT C368DLF0 TT C488DLF0 TT C246HLF0 TT H246FLA0 TT H488DLA0 TT H488DLE1 TT H368DLE1 TT C366DLE1 TT C488DLE1 TT H488DL 1 F ...

Page 2: ...ation Cycle Diagram 17 Wiring Diagram 18 Operation Details 21 Installation of Indoor Outdoor Unit 24 Cycle 44 Cycle Troubleshooting Guide 47 Electronic Parts Troubleshooting Guide 48 Electronic Control Device 51 Schematic Diagram 52 Exploded View and Replacement Parts List 56 2 Test Running 35 3 Way Valve 39 ...

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Page 6: ... the weekly timer Function 15 Set and Clear Button Used to set and clear the weekly timer 16 Jet Cool Button Used to select jet cool mode 17 Reset Button Used to set the current time and clear the setting time Remote Controller 6 1 3 5 4 7 9 10 12 2 8 1 START STOP BUTTON Used to turn off on the unit 2 OPERATION MODE SELECTION BUTTON Used to select the operation mode 3 ROOM TEMPERATURE SETTING BUTT...

Page 7: ...l hr Btu hr 4 787 19 000 4 787 19 000 6 767 26860 6 774 26 880 Condenser Inducted Condenser Inducted Condenser Inducted Condenser Inducted Motor Input W 1827 1827 2633 2400 SUNISO4GSI SUNISO4GSI SUNISO4GSI SUNISO4GSI Oil Charge cc 14HM1015 200 14HM1015 200 3HM208 316 3HM615 Tube Size OD inch mm 0 375 9 52Ø7 0 375 9 52Ø7 0 375 9 52 0 375 9 52 18 18 17 17 1R 2R 24C 1R 2R 24C 1R 2R 30C 1R 2R 28C Outp...

Page 8: ...52 17 18 17 18 1R 2R 24C 1R 2R 22C 1R 2R 22C Output w 91 79 91 79 6 6 6 6 Input W 167 155 172 155 Running Current A 0 78 0 7 0 78 0 7 Capacitor ՐF Vac 6 370 6 370 6 370 6 370 propeller Propeller Propeller Propeller No Used Diameter EA inch mm 1 18 1 460 2 18 1 460 2 18 1 460 2 18 1 460 Discharge Top Side Side Discharge Side Discharge Side Discharge Side Discharge Speed rpm 850 820 2 850 2 820 2 Ai...

Page 9: ...74 Outdoor Fan Type SVC Valve Other Conncecting Cable Connecting Tube Ø Socket Flare Drain hose ID Ø Packing Dimension W D H Power supply Cable Indoor Coil Dimensions W D H Outdoor Compressor Type Maker Motor Type Oil Type O L P Type model name Cooling C O P Heating Indoor Indoor fan motor No of Poles Indoor Fan Type Indoor Fan RPM Temperature Controller Item General Cooling Capacity Outdoor fan m...

Page 10: ...t W 172 172 172 Running Current A 0 78 0 78 0 78 Capacitor F Vac 6 370 6 370 6 370 Propeller Propeller Propeller No Used Diameter EA inch mm 2 18 1 460 2 18 1 460 2 18 1 460 Discharge Top Side Side Discharge Side Discharge Side Discharge Speed rpm 850 2 850 2 850 2 Air Circulation Outdoor CMM CFM Noise Level Outdoor dB A 3 60 60 56 Liquid inch mm 3 8 9 52 3 8 9 52 1 4 6 35 Gas inch mm 3 4 19 05 3 ...

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Page 12: ...5 7 8 875 785 45 45 5 6 4 1 2 3 0 4 8 mm ø6 35 ø15 88 ø25 ø32 Ceiling Opening Hanging Bolt XQLW g n i n e p O g n i l i e C t l o B g n i g n a H Number Name 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Power supply connection 5 Air discharge grill 6 Air suction grill ø9 52 ø19 05 ø25 ø32 Descripition 36k 48k 12 ...

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Page 15: ... mm H mm D mm L1 mm L2 mm L3 mm L4 mm L5 mm L6 mm L7 mm L8 mm L9 mm L10 mm L11 mm 900 1225 370 460 45 410 1135 90 550 55 120 83 175 175 Dim Model TT C428DLA0 TT C368DLA0 TT C488DLA0 TT C368DLF0 TT C488DLF0 TT H488DLA0 TT H488DLE1 TT H368DLE1 TT C488DLE1 5 TT H488DLF1 ...

Page 16: ...W D 1 L 2 L 3 L L6 L7 L8 L9 4 L H 5 L W mm H mm D mm L1 mm L2 mm L3 mm L4 mm L5 mm L6 mm L7 mm L8 mm L9 mm L10 mm L11 mm 1 1 L 0 1 L Dim Model TT C366DLE1 16 ...

Page 17: ... m Refrigerant Charge Diametor mm Standard Max Max TT C186HLA0 TT C246HLF0 TT C428DLA0 TT C368DLA0 TT C488DLA0 TT C246HLA0 TT C368DLF0 TT C488DLF0 Standard TT C186HLF0 TT H488DLA0 TT H246FLA0 Heat Pump Cooling Heating Indoor Unit Outdoor Unit Heat Exchanger liquid side capillary Gas side Heat Exchanger capillary Comp Selector valve reflex valve TT C246FLA0 TT H488DLE1 TT H368DLE1 TT C366DLE1 TT C4...

Page 18: ... STEP MOTOR AIRCLEANER AIR CLEAN PCB MAIN PCB BLDC MOTOR BK BR BL YL GR RD BL BL YL GR TO OUTDOOR UNIT Indoor Unit Wiring Diagram RELAY COMP OR BR YL YL GR RD BR YL BL BK MOTOR TERMINAL1 4 1 2 3 5 6 YL GR TO INDOOR UNIT YL GR P N 3854A21011M Outdoor Unit Wiring Diagram POWER SUPPLY ĭ 9 TT C186HLF0 TT C246HLF0 Outdoor Unit Wiring Diagram STEP MOTOR DRAIN PUMP STEP MOTOR STEP MOTOR STEP MOTOR MOTOR ...

Page 19: ...N PCB BK BR BL YL GR RD TO OUTDOOR UNIT OR YL GR BL BL DRAIN PUMP STEP MOTOR DISPLAY PCB STEP MOTOR AIRCLEANER AIR CLEAN PCB FLOAT SWITCH INDOOR TEMP PIPE TEMP THERMISTOR THERMISTOR WIRED REMOTE CONTROLLER ELEVATION GRILL CENTRALCONTROL NET CONTROL BLDC MOTOR 8 9 3 6 1 7 5 12 716 1 250V 10A FUSE BR RELAY DEFROST PCB PIPE TEMP THERMISTOR YL 250V 10A FUSE BK BK RD WH RELAY WH OR WH BK BK WH RD COMP ...

Page 20: ... DISPLAY PCB STEP MOTOR AIRCLEANER AIR CLEAN PCB MAIN PCB BLDC MOTOR BK BR BL YL GR RD BL BL YL GR TO OUTDOOR UNIT Indoor Unit Wiring Diagram 7 1 6 5 3 716 1 12 POWER SUPPLY 3Ø 380 415V 50Hz Outdoor Unit Wiring Diagram BR FUSE 250V 10A FUSE 250V 10A WH PIPE TEMP THERMISTOR Defrosting PCB OR WH RD RELAY YL BK TERMINAL1 TERMINAL 2 BKBK BR BL WH RELAY BK WH BK RD RD BK U1 V1 W1 BK WH RD COMP YL GR YL...

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Page 29: ...e 3phase over 3 0mm 1 Make Sure That The Bolt Of Terminal Cable Is Not Fall Off 2 over 3 0mm 24k 42k During The Installation according To The Wiring Diagrams On The Air Conditioners stick to the rear cover controller of indoor unit and outdoor unit 7 6 5 N 4 L 3 5 6 4 N 3 L 1 L 2 N 24k over 1 25mm over 2 5mm over 2 5mm over 1 25mm N T S R 3 4 5 2 N 1 L 3 4 5 2 N 1 L 48k Heating Pump Model POWER IN...

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Page 46: ...proximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be discharged If the system has been charged with liquid refrigerant while operating the air conditioner tu...

Page 47: ...room air humidity When the room air humidity is relativery 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 Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tub...

Page 48: ...RSHUDWH 3RVVLEOH 7URXEOH 6 12 6 V WKH LQSXW YROWDJH RI WUDQVIRUPHU 9 KHFN WKH 86 DQG WKH ZLULQJ GLDJUDP V WKH 3 1 RI 0 20 9 FKDQJH 0 20 6 12 KHFN WKH PDLQ 3 SDWWHUQ 12 6 V WKH RXWSXW YROWDJH RI 9 12 FKDQJH V WKH LQSXW YROWDJH RI DERXW 9 KHFN WKH 9 3 SDWWHUQ ...

Page 49: ...s the each Relay any problem YES NO YES It is normal operation Exchange IC01M Exchange Relay YES YES NO YES Is it Heating Mode Does the temperature set all right Change IC01M NO NO Adjust operation mode Adjust set temperature Is IC01M operated normally YES Check the connector CN OUT Check RY 4Way NO Is 4way valve operated Possible Trouble 3 Ineffective Heating ...

Page 50: ...RSHUDWH 12 6 6 6 V WKH RSHUDWHG QRUPDOO V WKH WHUPLQDO RI ZLUHG 5HPRFRQ 7 9 V WKH SLQ RI 0LFRP 9 KDQJH WKH ZLUHG 5HPRFRQ KHFN WKH ZLUHG 5HPRFRQ 3 DQG 9 SDWWHUQ 12 12 KHFN WKH SDUWV RI FRPPXQLFDWLRQ RQQHFWRU 1 5HPR DQG WHUPLQDOV RI ZLUHG 5HPRFRQ H DFWO ...

Page 51: ... 51 Electronic control device 2 1 4 0 2 A 1 7 8 6 TT C428DLA0 TT C368DLA0 TT C488DLA0 TT C246FLA0 ...

Page 52: ... TT C246FLA0 Schematic Diagram 52 ...

Page 53: ...ࠊ Ё 䲚 77 77 77 ...

Page 54: ...77 77 77 77 ...

Page 55: ...TT H488DLE1 TT C488DLE1 TT C366DLE1 55 TT H488DLF1 ...

Page 56: ...268711 249951 354211 552111 352118 158591 349480 56 ...

Page 57: ...346810 130413 130911 3 130911 1 130911 2 352150 1 352150 1 267110 57 ...

Page 58: ...HA36957801 R 5859A10006B R 249310 Holder Assembly 4931A20003E R 354211 Evaporator Assembly Bending 5421A10061E R 349480 Orifice 4948A20039B R 346810 Motor Assembly DC Indoor 4681A20172A R 140570 Locker Assembly 4A01405C R 352118 Tube Assembly Menifold Indoor 5211A10600D R 552111 Tube Assembly Capillary 5211A10570H R 352150 2 Hose Assembly Drain 5251AP2984A R 249951 Case Assembly Control Indoor ABQ...

Page 59: ... 59 354211 158591 567480 552111 268711 349480 249951 352118 TD TD1 Exploded View and Replacement Parts List ...

Page 60: ... 60 TD TD1 346810 137211 352150 1 359012 352150 2 267110 140570 130911 1 130911 2 130911 3 249310 ...

Page 61: ...A20055A 5900A20055A 5900A20055A R 140570 Locker Assembly 4A01405C 4A01405C 4A01405C R 346810 Motor Assembly DC Indoor 4681A20172A 4681A20172A 4681A20172A R 352118 Tube Assembly Menifold Indoor 5211A10600V 5211A10600V 5211A10600V R 552111 Tube Assembly Capillary 5211A10570J 5211A10570J 5211A10570J R 263230 Thermistor NTC 6323AQ3226G 6323AQ3226G 6323AQ3226G R 330860 Pan Assembly Drain 3087A10029A 30...

Page 62: ...UH Chassis 62 437210 435512 437212 435511 430411 554160 352113 649950 554031 552203 1 552203 2 559010 447900 566001 268711 349600 552115 1 552115 2 552111 Outdoor unit ...

Page 63: ...216A 4760AP1216A R 349600 Bracket Motor 4960A10004A 4960A10004A 4960A10004A R 437212 Panel Assembly Rear Outdoor 3720AP1202U 3720AP1202U 3720AP1202U R 437210 Panel Assembly Front Sub 3720AP1212G 3720AP1212G 3720AP1212G R 435512 Cover Assembly Top Outdoor 3550AP1213F 3550AP1213F 3550AP1213F R 352113 Tube Assembly Discharge AJR33081404 R 552111 Tube Assembly Capillary AJR33145404 5211A30683V 5211A30...

Page 64: ...UE1 Chassis 64 435512 437210 437211 349600 559010 447910 137213 2 649950 554160 552203 1 552203 2 554031 566001 435511 137213 1 349480 435301 ...

Page 65: ...rille Discharge 3530A20007M R 349480 Orifice 4948A20005C R 435512 Cover Assembly Top Outdoor 3551A30033A R 435512 Cover 2A00915R R 349600 Bracket Motor 4960A20071A R 435511 Cover Assembly Control Outdoor 3A01919A R 554031 Condenser Assembly Bending 5403A20070U R 552203 1 Valve Service 2A00392E R 552203 2 Valve Service 5220AR2609D R 554160 Compressor 5416A20030W R 559010 Fan Assembly Propeller 1A00...

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