Download System Outdoor Unit SERVICE MANUAL R410A
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Internal Use Only http://biz.lgservice.com System Outdoor Unit R410A 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. ARUN Series 1. Specifications ...............................................................................3 2. Function ........................................................................................4 3. Dimensions ...................................................................................5 4. Piping Diagrams ...........................................................................6 5. Wiring Diagrams ...........................................................................9 6. Exploded View ............................................................................12 Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -2- LGE Internal Use Only Specification 1. Specification Heat Pump Heat Pump(50Hz/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Cooling Heating Casing Color Heat Exchanger Compressor Type Piston Displacement Number of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Fan Type Motor Output x Number Air Flow RatexNo. of Fan Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply kW kcal/h Btu/h kW kcal/h Btu/h kW kW cm3/rev R.P.M W cc kW m3/min mm(inch) mm(inch) mm inch kg lbs mm2 Ø, V, Hz 4 ARUN40GS2 11.2 9,632 38,200 12.5 10,750 42,700 2.9 3.1 Warm Gray Gold fin DC Scroll 42 3,600x1 2.4 x1 Direct On Line FV50S 1,700 BLDC 0.124 x 2 110 DC INVERTER Side Ø9.52(3/8) Ø15.88(5/8) 950x1380x330 37.4x54.3x13 118 260 CVV-SB 1.25x2C R410A EEV 1, 220~240V, 50 1, 220, 60 5 ARUN50GS2 14.0 12,040 47,800 16.0 13,760 54,600 3.8 4.0 Warm Gray Gold fin DC Scroll 42 3,600x1 2.8 x 1 Direct On Line FV50S 1,700 BLDC 0.124 x 2 110 DC INVERTER Side Ø9.52(3/8) Ø15.88(5/8) 950x1380x330 37.4x54.3x13 118 260 CVV-SB 1.25x2C R410A EEV 1, 220~240V, 50 1, 220, 60 Notes: 1. Capacities are based on the following conditions: Cooling * Indoor temp. 27°C[80.6°F]DB/ 19°C[66.2°F]WB * Outdoor temp. 35°C[95°F]DB/ 24°C[75.2°F]WB * Interconnecting Piping Length 7.5m * Level Difference of Zero Heating * Indoor temp. 20°C[68°F]DB/ 15°C[59°F]WB * Outdoor temp. 7°C[44.6°F]DB/ 6°C[42.8°F]WB * Interconnecting Piping Length 7.5m * Level Difference of Zero 2. Capacities are net capacities 3. Due to our policy of innovation some specifications may be changed without prior notification 4. EEV : Electronic Expansion Valve Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -3- 6 ARUN60GS2 15.5 13,330 52,900 18.0 15,480 61,400 4.3 4.7 Warm Gray Gold fin DC Scroll 42 3,600x1 3.2 x 1 Direct On Line FV50S 1,700 BLDC 0.124 x 2 110 DC INVERTER Side Ø9.52(3/8) Ø19.05(3/4) 950x1380x330 37.4x54.3x13 118 260 CVV-SB 1.25x2C R410A EEV 1, 220~240V, 50 1, 220, 60 Conversion Formula kcal/h= kW x 860 Btu/h = kW x 3412 cfm = m3/min x 35.3 l/s = CMM x 1000/60 LGE Internal Use Only Functions 2. Functions Category Reliability Convenience CAC network Function Others Function ARUN40GS2 ARUN50GS2 ARUN60GS2 Defrost / Deicing High pressure switch Low pressure switch Phase protection Restart delay (3-minutes) Self diagnosis Soft start Test function Auto operation(Artificial intelligence) Auto restart operation Network soluation(LGAP) Power Distribution Indicator(PQNUD1S00) PI485(PNF-P14A0M/P14A1M) Thermistor O O O O O O O O O O O O X - O : Applied X : Not applied - : No reation Option : Model name & price are different according to options, and assembled in factory with main unit Accessory : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separated package. Category CAC network Function Program Others Function ARUN40GS2 ARUN50GS2 ARUN60GS2 Network solution(LGAP) Simple Central Controller Function Controller PC Central Control Software Deluxe Central Controller PDI(Power Distribution Indicator) CNU2(I-Gateway) Cool/Heat Selector Dry contact(Indoor Unit) AC Smart ACP AC Manager LONWORKS Gateway(BNU-LW) BACnet Gateway(BNU-BN) LG MV Y-Branch Header Air guide O PQCSB101S0 PQCSC101S0 PQCSS513A0 PQCSW502A2 PQNUD1S00 PQNFG14B0 PRDSBM PQDSB PQCSW320A0E PQCPA11A0E/B11A0E PQCSS520A0E PQNFB16A1 PQNFB17B0 Option Accessory Accessory Accessory O : Applied X : Not applied - : No reation Option : Model name & price are different according to options, and assembled in factory with main unit Accessory : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separated package. Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -4- LGE Internal Use Only Dimensions CHASSIS CODE: U3 76, Seongsan-dong, Changwon City, Gyeongnam, 641-713, Korea www.lgeaircon.com ARUN40GS2 ARUN50GS2 ARUN60GS2 Outdoor Unit 3. Dimensions Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -5- LGE Internal Use Only Piping Diagrams 4. Piping Diagrams Heat Pump Cooling Operation Ind oor HEX EEV Fan EEV Ind oor HEX Fan Fil ter Fil ter Ind oor Unit Fan DC Ind oor Unit High Temp. High Press ure Gas High Temp. High Press ure Liqu id Low Temp. Low Press ure Gas Fan DC Outdoor Temperature Sensor Outdoor Unit HEX Temperature Sensor Charging Port High Press ure Sensor Charging Port Gas Pipe 4-Way Valve Hot Gas Valve s Outdoor EEV Oil Separator Liquid Pipe Suction Temperature Sensor Low Press ure Sensor Comp Disc harge Temperature Sensor Inverter Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Pipe Temp. Sensor Sub-Cooler Sub-cooli ng Circuit Inlet Temperature Sensor Sub-Coo ling EEV Press ure Sensor Temperature Sensor Press ure Switch SVC Valve Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes s Remarks Outdoo r Uni t Soleno id valve EEV -6- Strainer LGE Internal Use Only Piping Diagrams Heating Operation Ind oor HEX EEV Fan EEV Ind oor HEX Fan Fil ter Fil ter Ind oor Unit DC Fan Ind oor Unit High Temp. High Press ure Gas High Temp. High Press ure Liqu id Low Temp. Low Press ure Gas DC Fan Outdoor Temperature Sensor Outdoor Unit HEX Temperature Sensor Charging Port High Press ure Sensor Charging Port Gas Pipe 4-Way Valve Hot Gas Valve s Outdoor EEV Oil Separator Liquid Pipe Suction Temperature Sensor Low Pressure Sensor Comp Disc harge Temperature Sensor Inverter Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Pipe Temp. Sensor Sub-Cooler Sub-cooli ng Circuit Inlet Temperature Sensor Sub-Coo ling EEV Press ure Sensor Temperature Sensor Press ure Switch SVC Valve Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes s Remarks Outdoo r Uni t Soleno id valve EEV -7- Strainer LGE Internal Use Only Piping Diagrams Oil Return/ Defrost Operation Indoor HEX EEV Fan Indoor HEX EEV Fan Fil ter Fil ter Ind oor Unit DC Fan Ind oor Unit High Temp. High Press ure Gas High Temp. High Press ure Liqu id Low Temp. Low Press ure Gas DC Fan Outdoor Temperature Sensor Outdoor Unit HEX Temperature Sensor Charging Port High Press ure Sensor Charging Port Gas Pipe Hot Gas Valve s Outdoor EEV Oil Separator Liquid Pipe Suction Temperature Sensor Low Pressure Sensor Comp Disc harge Temperature Sensor Inverter Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Pipe Temp. Sensor Sub-Cooler Sub-cooli ng Circuit Inlet Temperature Sensor Sub-Coo ling EEV Press ure Sensor Temperature Sensor Press ure Switch SVC Valve Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes s Remarks Outdoo r Uni t Soleno id valve EEV -8- Strainer LGE Internal Use Only Wiring Diagrams 5. Wiring Diagrams Heat Pump Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -9- LGE Internal Use Only Wiring Diagrams ■ Main PCB CN29 TO INVERTER BOARD SW01S RESET ( INVERTER PCB COMMUNICATION TERMINAL) (RESET BUTTON) CN38 EEV-OUT CN04 FLASH_WRITE ( OUTDOOR ELECTRONIC EXPANSION VALVE) (ONBOARDING TERMINAL) CN40 EEV-SC CN05 TO JIG ( SUBCOOLING CIRCUIT ELECTRONIC EXPANSION VALVE) (JIG CONNECTION TERMINAL: LGMV) CN44 P(I) S/W SW02V AUTO ADDRES ( INV COMP HIGH PRESSUR SWITCH)) (AUTO ADDRESSING SWITCH) CN41 CEN CONTROL CN43 P(C) S/W (CENTRAL CONTROL TERMINAL) ( CONSTANT COMP HIGH PRESSURE SWITCH) CN33 CN17 LIQ(C) SC-OUT ( CONSTANT COMP LIQUID VALVE (SC CIRCUIT OUTLET TEMP SENSOR) CN16 LIQ(I) SC-IN ( INVERTER COMP LIQUID VALVE (SC CIRCUIT INTLET TEMP SENSOR) SUCTION CN15 AC FAN (SUCTION TEMPERATURE SENSOR) ( AC FAN POWER SUPPLY) CN34 CN14 MAGNET(C) DISCHARGE(I) ( CONSTANT COMP MAGNETIC SWITCH) (INV DISCHARGE TEMP SENSOR) CN13 HOT GAS HEX1 ( HOT GAS SOLENOID VALVE) (OUTDOOR HEX TEMP SENSOR 1) HEX2 CN11 HEATER(C) (OUTDOOR HEX TEMP SENSOR 2) ( CONSTANT COMP HEATER) CN35 CN10 HEATER(I) ( INVERTER COMP HEATER) AIR (OUTDOOR TEMPERATURE SENSOR) CN09 4WAY SUCTION (4 WAY REVERSING VALVE) (SUCTION TEMPERATURE SENSOR) CN08 AC 220 V (220 V POWER INPUT TERMINAL) JIG1, JIG2 ( JIG POWER TERMINAL : AC 220V) Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes CN27 STD_COMP CT1 (CONSTANT COMP CURRENT SENSOR) CN32 P-SENSOR(L) (LOW PRESSURE SENSOR) - 10 - DISCHARGE(C) (CONST COMP DISCHARGE TEMP SENSOR) CN30 P-SENSOR(H) (HIGH PRESSURE SENSOR) LGE Internal Use Only Wiring Diagrams ■ Noise Filter TO INVERTER PCB 220V POWER OUTPUT TERMINAL TO TERMINAL BLOCK & MAIN PCB TO REACTOR TO TERMINAL BLOCK & MAIN PCB TO REACTOR ■ Inverter PCB CN_MOTOR2(WH) FAN MOTOR WIRE TERMINAL CN(L) 220V INVERTER POWER INPUT TERMINAL CN_MOTOR1(BL) CN(N) FAN MOTOR WIRE TERMINAL 220V INVERTER POWER INPUT TERMINAL CN_POWER(BL) AC220V PCB POWER INPUT TERMINAL Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 11 - LGE Internal Use Only Explodede View 6. Exploded View Outdoor Unit 649950 W6200B W6200C 268711B W6200A 268200 W0FZZA 346811 W6640 268711A W6631 Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 12 - LGE Internal Use Only Explodede View 435512 137213B 435300 549610 554031 546810 559010 546810 554160 430410 437211 137213A 437212 435513 THERMISTOR 1 THERMISTOR 2 THERMISTOR 3 263230A 263230B 263230C Liquid Pipe + sub Cooler IN + Sub Cooler OUT Inv. discharge + HEX Air + suction Pipe Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 13 - Housing color : yellow Housing color : purple Housing color : black LGE Internal Use Only Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes 447910 - 14 55211G W52240A 552200B 552117 165010B W52240A W52240B 552200A 552102B 561410B 561410C 552204 552203B 552116 561410A 148390 566000 165010A 552203A 148000 552202 W52240A 552102A 552115 552114 Explodede View LGE Internal Use Only P/NO : MFL42395702 FEBRUARY, 2008