LG ARUN076BT2 Service Manual Download

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LGE Internal Use Only

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Piping Diagrams

EEV

Fil ter

EEV

Fil ter

Liquid Injection

Acc umulator

Inverter

Comp

Check Valve

EEV

Soleno id Valve

SVC Valve

Ind oor HEX

Ind oor Unit

Fan

Outdoor Unit
HEX Temperature
Sensor

Outdoor
Temperature
Sensor

High Press ure
Sensor

4-Way Valve

Outdoor
EEV

Liquid Pipe

Gas Pipe

Oil

Separator

Oil

Separator

Suction
Temperature
Sensor

Comp
Disc harge
Temperature
Sensor

Con stant

Speed

Comp

Low
Press ure
Sensor

Sub-cooli ng Circuit
Outlet Temperature
Sensor

Sub-cooli ng Circuit
Inlet Temperature
Sensor

Plate Type HEX

Liquid Pipe Temp. Sensor

Outdoo r Uni t

Sub-Coo ling EEV

Press ure Sensor

Press ure Switch

Temperature Sensor

High Temp. High Press ure Gas

High Temp. High Press ure Liqu id

Low Temp. Low Press ure Gas

Remarks

Strainer

Hot Gas
Valve

Fan

Oil Return/ Defrost Operation

Summary of Contents for ARUN076BT2

Page 1: ...SERVICE MANUAL R410A Exploded View MODEL ARUN Series CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com R410A ...

Page 2: ...Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 1 Specifications 3 2 Function 13 3 Dimensions 14 4 Piping Diagrams 20 5 Wiring Diagrams 26 6 Exploded View 32 ARUN Series ...

Page 3: ... Refigerant name Control Power Supply Ø V Hz 8 10 12 14 ARUN076DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN076DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 22 4 28 0 33 6 39 2 19 300 24 100 28 900 33 700 76 400 95 500 114 700 133 800 25 2 31 5 37 8 44 1 21 700 27 100 32 500 37 900 86 000 107 500 129 000 150 500 5 28 7 16 9 08 11 85 5 73 7 33 9 05 10 60 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin...

Page 4: ...igerant Refigerant name Control Power Supply Ø V Hz 16 18 20 22 ARUN154DT2 ARUN173DT2 ARUN192DT2 ARUN211DT2 ARUN154DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN076DT2 ARUN076DT2 ARUN076DT2 44 8 50 4 56 0 61 6 38 500 43 300 48 200 53 000 152 900 172 000 191 100 210 200 50 4 56 7 63 0 69 3 43 300 48 800 54 200 59 600 172 000 193 500 225 000 236 500 14 00 12 44 14 36 17 13 12 40 12 61 14 33 15 88 Warm Gr...

Page 5: ...400 x1 5 356 5 356 6 400 5 356 5 800 5 356 6 400 x2 5 356 6 400 x2 Direct On Line Direct On Line Direct On Line Direct On Line FVC68D PVE FVC68D PVE FVC68D PVE FVC68D PVE 5 600 3 300 5 600 5 600 5 600 5 600 5 600 5 600 Propeller fan Propeller fan Propeller fan Propeller fan 350 x 4 350 x 4 350 x 4 350 x 4 380 380 380 380 13 400 13 400 13 400 13 400 DC INVERTER DC INVERTER DC INVERTER DC INVERTER T...

Page 6: ...3 600 3 481 2 3 600 5 356 6 400 x2 5 356 6 400 x2 5 356 5 356 6 400 x2 5 356 5 356 6 400 x2 5 356 Direct On Line Direct On Line Direct On Line Direct On Line FVC68D PVE FVC68D PVE FVC68D PVE FVC68D PVE 5 600 5 600 3300 5600 2 3300 5600 2 3300 5600 2 Propeller fan Propeller fan Propeller fan Propeller fan 350 x 4 350 x 6 350 x 6 350 x 6 380 570 570 570 13400 20 100 20 100 20 100 DC INVERTER DC INVE...

Page 7: ...3 600 3 600 3 481 3 3 600 3 481 3 3 600 3 481 3 5 356 6 400 x2 5 356 5 356 6 400 x3 5 356 6 400 x3 5 356 6 400 x3 Direct On Line Direct On Line Direct On Line Direct On Line FVC68D PVE FVC68D PVE FVC68D PVE FVC68D PVE 3300 5600 2 5600 3 5600 3 5600 3 Propeller fan Propeller fan Propeller fan Propeller fan 350 x 6 350 x 6 350 x 6 350 x 6 570 570 570 570 20 100 20 100 20 100 20 100 DC INVERTER DC IN...

Page 8: ...154DT2 134 4 115 500 458 700 151 2 129 900 516 000 42 00 37 20 Warm Gray Gold fin DC Scroll 52 81 6 3 3 600 3 481 3 5 356 6 400 x3 Direct On Line FVC68D PVE 5600 3 Propeller fan 350 x 6 570 20 100 DC INVERTER TOP 19 05 3 4 41 3 1 5 8 1280x1607x730 3 50 4x63 3x28 7 3 285 3 628 3 CVV SB 1 25x2C R410A EEV 3 460 60 Heat Pump 460V 60Hz Notes 1 Capacities are based on the following conditions Cooling In...

Page 9: ...8 10 12 16 ARUN076BT2 ARUN096BT2 ARUN115BT2 ARUN154BT2 ARUN076BT2 ARUN096BT2 ARUN115BT2 ARUN076BT2 ARUN076BT2 22 4 28 0 33 6 44 8 19 300 24 100 28 900 38 500 76 400 95 500 114 700 152 900 25 2 31 5 37 8 50 4 21 700 27 100 32 500 43 300 86 000 107 500 129 000 172 000 6 20 7 80 10 80 12 40 7 00 8 80 11 10 14 00 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold fin DC Scroll DC ...

Page 10: ...ARUN192BT2 ARUN211BT2 ARUN230BT2 ARUN096BT2 ARUN096BT2 ARUN115BT2 ARUN115BT2 ARUN076BT2 ARUN096BT2 ARUN096BT2 ARUN115BT2 50 4 56 0 61 6 67 2 43 300 48 200 53 000 57 800 172 000 191 100 210 200 229 300 56 7 63 0 69 3 75 6 48 800 54 200 59 600 65 000 193 500 225 000 236 500 258 000 14 00 15 60 18 60 21 60 15 80 17 60 19 90 22 20 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold...

Page 11: ...096BT2 ARUN096BT2 ARUN115BT2 ARUN076BT2 ARUN096BT2 ARUN096BT2 ARUN096BT2 ARUN076BT2 ARUN076BT2 ARUN096BT2 ARUN096BT2 72 8 78 4 84 0 89 6 62 600 67 400 72 200 77 100 248 400 267 500 286 600 305 700 81 9 88 2 94 5 100 8 70 400 75 900 81 300 86 700 279 500 301 000 322 500 343 900 20 20 29 40 23 40 26 40 22 80 31 00 26 40 28 70 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold fi...

Page 12: ...ting Method Oil Type Oil Charge cc Fan Type Motor Output x Number W Air Flow Rate High CMM cfm Drive Discharge Side Top Pipe Connctions Liquid Pipes mm inch Gas Pipes mm inch Dimensions WxHxD mm inch Net Weight kg lbs Transmission Cable mm2 Refigerant Refigerant name Control Power Supply Ø V Hz 34 36 ARUN330BT2 ARUN350BT2 ARUN115BT2 ARUN115BT2 ARUN115BT2 ARUN115BT2 ARUN096BT2 ARUN115BT2 95 2 100 8...

Page 13: ... O O High pressure switch O O Phase protection O O Restart delay 3 minutes O O Self diagnosis O O Soft start O O Trial operation O O Auto operation Artificial intelligence O O Auto restart operation O O Network Solution LGAP O O Power Distribution Indicator PQNUD1S00 O O Other Thermistor Reliability Convenience CAC network Function Category Device PLUS II Network Solution LGAP O Simple Central Con...

Page 14: ... lge com airconditioner CHASSIS CODE UW Outdoor Unit 460V ARUN076DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN154DT2 W mm inch H mm inch D mm inch L1 mm inch L2 mm inch L3 mm inch L4 mm inch L5 mm inch L6 mm inch L7 mm inch L4 L3 L2 D H L5 L1 L6 W L7 D 60 2 4 160 6 4 1280 50 4 1607 63 3 730 28 7 1427 56 1 692 27 2 670 26 3 900 35 4 704 27 7 99 3 9 82 3 2 3 Dimensions Dimensions ...

Page 15: ...in case of pattern1 Front side 1500mm Suction side 500mm 2 If the above wall heights are exceeded then h1 2 and h2 2 should be added to the front and suction side service spaces respectively as shown in the following figure 3 When installing the units the most appropriate pattern should be selected from those shown In order to obtain the best fit in the space available always bear in mind the need...

Page 16: ...SSIS CODE UW1 Outdoor Unit 460V ARUN330DT2 ARUN350DT2 ARUN370DT2 ARUN390DT2 ARUN410DT2 ARUN430DT2 ARUN450DT2 ARUN470DT2 W mm inch 1280 50 4 H mm inch 1607 63 3 D mm inch 730 28 7 L1 mm inch 1427 56 1 L2 mm inch 692 27 2 L3 mm inch 670 26 3 L4 mm inch 900 35 4 L5 mm inch 10 0 4 L6 mm inch 704 27 7 L7 mm inch 99 3 9 L8 mm inch 82 3 2 Unit mm L5 H L6 L1 L7 W L8 L4 L3 L2 D Gravity point 542 305 552 ...

Page 17: ...Gyeongnam 641 713 Korea www lge com airconditioner CHASSIS CODE UW Outdoor Unit 208 230V ARUN076BT2 ARUN096BT2 ARUN115BT2 W mm inch H mm inch D mm inch L1 mm inch L2 mm inch L3 mm inch L4 mm inch L5 mm inch L6 mm inch L7 mm inch L4 L3 L2 D H L5 L1 L6 W L7 D 60 2 4 160 6 4 1280 50 4 1607 63 3 730 28 7 1427 56 1 692 27 2 670 26 3 900 35 4 704 27 7 99 3 9 82 3 2 ...

Page 18: ...side 1500mm Suction side 500mm 2 If the above wall heights are exceeded then h1 2 and h2 2 should be added to the front and suction side service spaces respectively as shown in the following figure 3 When installing the units the most appropriate pattern should be selected from those shown In order to obtain the best fit in the space available always bear in mind the need to leave enough room for ...

Page 19: ...3 Korea CHASSIS CODE UW1 Outdoor Unit 460V ARUN250BT2 ARUN270BT2 ARUN290BT2 ARUN310BT2 ARUN330BT2 ARUN350BT2 W mm inch 1280 50 4 H mm inch 1607 63 3 D mm inch 730 28 7 L1 mm inch 1427 56 1 L2 mm inch 692 27 2 L3 mm inch 670 26 3 L4 mm inch 900 35 4 L5 mm inch 10 0 4 L6 mm inch 704 27 7 L7 mm inch 99 3 9 L8 mm inch 82 3 2 Unit mm L5 H L6 L1 L7 W L8 L4 L3 L2 D Gravity point 542 305 552 ...

Page 20: ...X Temperature Sensor Outdoor Temperature Sensor High Pressure Sensor 4 Way Valve Outdoor EEV Sub cooling Circuit Outlet Temperature Sensor Sub cooling Circuit Inlet Temperature Sensor Sub Cooling EEV Plate Type HEX Liquid Pipe Temp Sensor Comp Discharge Temperature Sensor Suction Temperature Sensor Low Pressure Sensor Liquid Pipe Gas Pipe High Temp High Pressure Gas High Temp High Pressure Liquid ...

Page 21: ...r Outdoor Temperature Sensor High Pressure Sensor 4 Way Valve Liquid Pipe Gas Pipe Low Pressure Sensor Oil Separator Comp Discharge Temperature Sensor Suction Temperature Sensor Sub cooling Circuit Outlet Temperature Sensor Plate Type HEX Liquid Pipe Temp Sensor Sub Cooling EEV Sub cooling Circuit Inlet Temperature Sensor Outdoor EEV High Temp High Pressure Gas High Temp High Pressure Liquid Low T...

Page 22: ...door Temperature Sensor High Pressure Sensor 4 Way Valve Outdoor EEV Liquid Pipe Gas Pipe Oil Separator Suction Temperature Sensor Comp Discharge Temperature Sensor Low Pressure Sensor Sub cooling Circuit Outlet Temperature Sensor Sub cooling Circuit Inlet Temperature Sensor Plate Type HEX Liquid Pipe Temp Sensor Outdoo r Unit Sub Cooling EEV Pressure Sensor Pressure Switch Temperature Sensor High...

Page 23: ...rature Sensor Outdoor Temperature Sensor Plate Type HEX Liquid Pipe Temp Sensor Sub Cooling EEV Sub cooling Circuit Outlet Temperature Sensor Liquid Pipe Gas Pipe Indoor Unit EEV Indoor HEX Filter DC DC Outdoo r Unit Pressure Sensor s s Pressure Switch Check Valve EEV Temperature Sensor Solenoid Valve SVC Valve Remarks High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressur...

Page 24: ...igh Pressure Sensor 4 Way Valve Liquid Pipe Gas Pipe Low Pressure Sensor Oil Separator Oil Separator Comp Discharge Temperature Sensor Comp Discharge Temperature Sensor Constant Speed Comp Suction Temperature Sensor Sub cooling Circuit Outlet Temperature Sensor Plate Type HEX Liquid Pipe Temp Sensor Sub Cooling EEV Sub cooling Circuit Inlet Temperature Sensor Outdoor EEV High Temp High Pressure Ga...

Page 25: ...ressure Sensor 4 Way Valve Outdoor EEV Liquid Pipe Gas Pipe Oil Separator Oil Separator Suction Temperature Sensor Comp Discharge Temperature Sensor Comp Discharge Temperature Sensor Constant Speed Comp Low Pressure Sensor Sub cooling Circuit Outlet Temperature Sensor Sub cooling Circuit Inlet Temperature Sensor Plate Type HEX Liquid Pipe Temp Sensor Outdoo r Unit Sub Cooling EEV Pressure Sensor P...

Page 26: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 26 5 Wiring Diagrams 5 1 Heat Pump Model Wiring Diagrams 5 1 1 3Ø 460V ARUN076DT2 ...

Page 27: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 27 Wiring Diagrams 5 1 2 3Ø 460V ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN154DT2 ...

Page 28: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 28 Wiring Diagrams 5 1 3 3Ø 208 230V ARUN076BT2 ARUN096BT2 ARUN115BT2 ...

Page 29: ...RONIC EXPANSION VALVE CN40 EEV SC CN38 EEV OUT CONSTANT COMP HIGH PRESSURE SWITCH CN43 P C S W INV COMP HIGH PRESSUR SWITCH CN44 P I S W INVERTER COMP LIQUID VALVE LOW PRESSURE SENSOR CN32 P SENSOR L CONSTANT COMP CURRENT SENSOR CN27 STD_COMP CT1 SC OUT SC CIRCUIT OUTLET TEMP SENSOR SC IN SUCTION CN33 SUCTION TEMPERATURE SENSOR DISCHARGE I INV DISCHARGE TEMP SENSOR HEX1 OUTDOOR HEX TEMP SENSOR 1 H...

Page 30: ... 220V INPUT 220V Power Input Terminal CN01 FAN Communication Terminal to Fan PCB CN02 MAIN Communication Terminal to Main PCB CN_N1 N Phase Terminal CN_T2_1 R Phase Terminal CN_R2_1 T Phase Terminal CN03 INV LGMV INV Onboarding Terminal CN12 DC LINK 700 V 700V DC LINK CN13 15V OUTPUT DC 15V Output Terminal CN04 PFC LGMV PFC Onboarding Terminal CH14 U V W OUT UVW Output Terminal CN_L1 R R Phase Ter...

Page 31: ... CN FAN RIGHT Left Fan Motor Hall Sensor CN DC LINK 700V DC LINK CN FAN LEFT Right Fan Motor Hall Sensor CN 15V DC 15V Power Input Terminal CN_06AC220V INPUT 220V Power Input Terminal CN12 DC_LINK 700V 700V DC LINK CN13 15V OUTPUT DC 15V Output Terminal CN04 PFC LGMV PFC Onboarding Terminal CN14 UVW OUT UVW Output Terminal INV Onboarding Terminal CN FLASH WRITE PFC CN03 INV LGMV Communication Term...

Page 32: ... 6 Exploded View Outdoor Unit 649950A W6631A W6200 261704B W6640 649950B 268711A 268711B 261704 268711D 268711C RAC31217901 Inv PCB Grease 3Ø 460V ARUN076DT2 Model Classification Description Part Number Location Number Remark ARUN076DT2 AC Inverter Compressor TBZ30983001 554160A Barrier Side Heating Harness Multi EAD37680315 W6631A ...

Page 33: ...A 552203A 552203C 552203B 552200A 552204B 349600 435512 435312 137213B 552102 435310 554030C 552115A 352114A 352111B 649950A 346811 W52240A 437211 554030A 552115B W5210B 554030D 552115D 352114B 352111B 554030B 552115C W5210B 552116 340090 661400 W52240D 263230A 235042 W52240C 55211F THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharg...

Page 34: ...V Model Classification Description Part Number Location Number Remark Compressor TBZ30983001 554160A Barrier Side ARUN096DT2 AC Inverter Harness Multi EAD37680315 W6631A ARUN115DT2 Heating Compressor TBZ31726801 554160B Service Valve Harness Multi EAD37680302 W6631B Compressor TBZ30983001 554160A Barrier Side ARUN134DT2 AC Inverter Harness Multi EAD37680315 W6631A ARUN154DT2 Heating Compressor TBZ...

Page 35: ...0A 552204B 552204A 349600 435512 435312 137213B 137213A 447910A 447910B 552102 435310 554030C 552115A 352114A 352111B 649950A 346811 W52240A 552102 437211 554030A 552115B W5210B 554030D 552115D 352114B 352111B 554030B 552115C W5210B 55211F 340090 661400 W52240D 263230A 235042 W52240C 268711E 552117 THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 2632...

Page 36: ...1A W6631B 649950B W6200 W6640 566001 268711A 268200 W0FZZ Fuse holder Fuse 3Ø 208 230V Model Classification Description Part Number Location Number Remark Compressor TBZ31726701 554160A Barrier Side AC Inverter Harness Multi EAD37680315 W6631A Heating Compressor TBZ31726601 554160B Service Valve Harness Multi EAD37680302 W6631B ARUN076BT2 ARUN096BT2 ARUN115BT2 ...

Page 37: ...2203C 552203B 552200A 552204B 552204A 349600 435512 435312 137213B 447910B 137213A 447910A 552102 435310 554030C 552115A 352114A 352111B 649950A 346811 W52240A W52240D 661400 263230A 235042 552102 437211 554030A 552115B W5210B 554030D 552115D 352114B 352111B 554030B 552115C W5210B W52240C 268711D 552117 THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2...

Page 38: ...P NO MFL54555501 OCTOBER 2009 ...

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