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System

Outdoor Unit 

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

Summary of Contents for ARUB115BT2

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: ...s Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 1 Specifications 3 2 Function 5 3 Dimensions 6 4 Piping Diagrams 8 5 Wiring Diagrams 13 6 Exploded View Replacement Parts List 16 ARUN Series ...

Page 3: ...2 16 6 5 8 0 9 5 12 5 ARUB076BT2 ARUB096BT2 ARUB115BT2 ARUB154BT2 ARUB076BT2 ARUB096BT2 ARUB115BT2 ARUB076BT2 ARUB076BT2 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 8 10 8 12 40 7 00 8 8 11 1 14 00 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold fin DC Scr...

Page 4: ... x2 4 130 5 280 x2 4 130 5 280 x2 4 130 5 280 x2 Direct On Line Direct On Line Direct On Line Direct On Line FVC68D PVE FVC68D PVE FVC68D PVE FVC68D PVE 5 600x2 5 600x2 5 600x2 5 600x2 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 TOP TOP TOP TOP 15 88 5 8 15 88 5 8...

Page 5: ...e Central Controller PQCSW502A2 Power Distribution Indicator PDI PQNUD1S00 CAC Network CNU2 I Gataway PQNFG14B0 Dry contact Outdoor Unit PRDSBM Dry contact Indoor Unit PQDSB AC Smart PQCSW320A0E ACP PQCPA11A0E B11A0E AC Manager PQCSS520A0E LONWORKS Gateway BNU LW PQNFB16A1 BACnet Gateway BNU BN PQNFB17B0 Program LG MV Option Y branch Accessory Other Header branch Accessory Air Guide Accessory O Ap...

Page 6: ... 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 3 8 160 6 5 16 1280 50 3 8 1607 63 5 16 730 28 11 16 1427 56 1 8 692 27 3 16 670 26 5 16 900 35 3 8 704 27 11 16 99 3 7 8 82 3 3 16 Unit mm inch Outdoor Unit 208 230V ARUB076BT2 ARUB096BT2 ARUB115BT2 LG Electronics USA HVAC Division 1000 Sylvan Avenue Englewood Cliffs NJ 07632 www lgusa com...

Page 7: ... 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 a person to pass between units and wall and for the air to circulate freely Your layout should take into account the possibility of short circuits 4 The Units should be installed to leave sufficient space in front for the on site refrigerant piping work to be carr...

Page 8: ...ilter Indoor unit EEV Indoor unit Heat Exch Filter CON Comp INV Comp O S O S s Sub Cooler By pass Liquid Injection Accum 4 Way Valve s Outdoor unit s s s s s s s s s s s s s HR unit Fan Fan s s s EEV Sensor Solenoid Service Valve Strainer To be used only for series Low pressure Gas Pipe Liquid pipe High pressure Gas Pipe Low temp Low pressure gas High temp High pressure liquid High temp High press...

Page 9: ...b Cooler Liquid Injection Accum 4 Way Valve s Outdoor unit s s s s s s s s s s s s s HR unit s s s EEV Sensor Solenoid Service Valve Strai To be used only for series ner Low pressure Gas Pipe Liquid pipe High pressure Gas Pipe Low temp Low pressure gas High temp High pressure liquid High temp High pressure gas EEV Indoor unit Fan Heat Exch Filter EEV Indoor unit Fan Heat Exch Filter EEV Indoor uni...

Page 10: ...h Filter CON Comp INV Comp O S O S s Sub Cooler Hot Gas By pass Liquid Injection Accum 4 Way Valve s Outdoor unit s s s s s s s s s s s s s HR unit Fan Fan s s s EEV Sensor Solenoid Service Valve Strainer To be used only for series Low pressure Gas Pipe Liquid pipe High pressure Gas Pipe Low temp Low pressure gas High temp High pressure liquid High temp High pressure gas EEV Heat Exch Filter Fan H...

Page 11: ...ipe EEV Indoor unit Fan Heat Exch Filter CON Comp INV Comp O S O S s s s Sub Cooler Liquid Injection Accum 4 Way Valve s Outdoor unit s s s s s s s s s s s s s HR unit Low temp Low pressure gas High temp High pressure liquid High temp High pressure gas EEV Indoor unit Fan Heat Exch Filter EEV Indoor unit Fan Heat Exch Filter EEV Indoor unit Fan Heat Exch Filter Cooling ON Cooling ON Cooling ON Hea...

Page 12: ...ipe EEV Indoor unit Fan Heat Exch Heating ON Heating ON Heating ON Cooling ON Filter CON Comp INV Comp O S O S s s s Sub Cooler Hot Gas Bypass Liquid Injection Accum 4 Way Valve s Outdoor unit s s s s s s s s s s s s s HR unit Low temp Low pressure gas High temp High pressure liquid High temp High pressure gas EEV Indoor unit Fan Heat Exch Filter EEV Indoor unit Fan Heat Exch Filter EEV Indoor uni...

Page 13: ...right 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 13 5 Wiring Diagrams 5 1 Heat Pump Model 5 1 1 3Ø 208 230V ARUB076BT2 ARUB096BT2 ARUB115BT2 3Ø 208 230V 3N 60Hz ...

Page 14: ...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 15: ...on Terminal to Main PCB CN02 Main Communication Terminal to Fan PCB CN01 FAN R Phase Terminal CN_L1 R CN05 COOLING FAN S Phase Terminal CN_L2 S T Phase Terminal CN_L3 T CN FLASH WRITE INV 220V Power Output Terminal TO MAIN PCB 220V Power Output Terminal TO INV PCB FAN PCB UW1 CN_MICOM WRITING INV Onboarding Terminal CN HEAT SINK Heat Sink Temp Sensor CN INV_COM Communication Terminal to INV PCB CN...

Page 16: ...ight reserved Only for training and service purposes LGE Internal Use Only 16 Explodede View 6 Exploded View 268711C 268711B 649950A W6631A W6631B 649950B W6200 W6640 566001 268711A Outdoor Unit UW1 Chassis 208 230V ARUB076BT2 096BT2 115BT2 ...

Page 17: ...35042 W52240D W52240A W52240A W52240E 561410D 165010B 553000B 559010 546810 552203A 552203C 552203B 552204 552204B 437212 552204A 349600 435512 435312 137213B 552102 435310 554030C 552115A 352114A 352111B 649950A 346811 W52240A 552102 437211 554030A 552115B W5210B 554030D 552115D 352114B 352111B 554030B 552115C W5210B THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yell...

Page 18: ...P NO MFL54555502 JUNE 2008 ...

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