Service Manual
Page 3
Inc. LGE Internal Use Only Capacities are net capacities 3. Specification 1.1 Heat Pump(460V) Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of innovation some specifications may be changed without prior notification 4. 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...
Inc. LGE Internal Use Only Capacities are net capacities 3. Specification 1.1 Heat Pump(460V) Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of innovation some specifications may be changed without prior notification 4. 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...
Service Manual
Page 4
... Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 16 18 20 22 Combination Unit ARUN154DT2 ARUN173DT2 ARUN192DT2 ARUN211DT2 Independent Unit ARUN154DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN076DT2 ARUN076DT2 ARUN076DT2 kW 44.8 50.4 56.0 61.6 kcal/h 38,500 43,300 48,200 53,000 Btu...
... Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 16 18 20 22 Combination Unit ARUN154DT2 ARUN173DT2 ARUN192DT2 ARUN211DT2 Independent Unit ARUN154DT2 ARUN096DT2 ARUN115DT2 ARUN134DT2 ARUN076DT2 ARUN076DT2 ARUN076DT2 kW 44.8 50.4 56.0 61.6 kcal/h 38,500 43,300 48,200 53,000 Btu...
Service Manual
Page 5
..., 60 Notes: 1. Only for training and service purposes -5- Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of innovation some specifications may be changed without prior notification 4. 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...
..., 60 Notes: 1. Only for training and service purposes -5- Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of innovation some specifications may be changed without prior notification 4. 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...
Service Manual
Page 6
... Zero 2. Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply Combination Unit Independent Unit 32 ARUN310DT2 ARUN154DT2 ARUN154DT2 kW kcal/h Btu/h kW kcal/h Btu/h kW kW...
... Zero 2. Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply Combination Unit Independent Unit 32 ARUN310DT2 ARUN154DT2 ARUN154DT2 kW kcal/h Btu/h kW kcal/h Btu/h kW kW...
Service Manual
Page 7
.... Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 40 Combination Unit ARUN390DT2 Independent Unit ARUN154DT2 ARUN154DT2 ARUN076DT2 kW 112.0 kcal/h 96,300 Btu...
.... Specification Heat Pump(460V/60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 40 Combination Unit ARUN390DT2 Independent Unit ARUN154DT2 ARUN154DT2 ARUN076DT2 kW 112.0 kcal/h 96,300 Btu...
Service Manual
Page 8
Inc. Only for training and service purposes -8- Due to our policy of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) 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 W CMM cfm Side / Top mm(inch) mm(inch) mm inch...
Inc. Only for training and service purposes -8- Due to our policy of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) 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 W CMM cfm Side / Top mm(inch) mm(inch) mm inch...
Service Manual
Page 9
.../min x 35.3 l/s = CMM x 1000/60 Copyright ©2009 LG Electronics. Due to our policy of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 8 Combination Unit ARUN076BT2 Independent Unit ARUN076BT2 kW kcal/h Btu/h kW kcal/h Btu/h kW kW cm3/rev R.P.M W cc W CMM cfm Side...
.../min x 35.3 l/s = CMM x 1000/60 Copyright ©2009 LG Electronics. Due to our policy of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 8 Combination Unit ARUN076BT2 Independent Unit ARUN076BT2 kW kcal/h Btu/h kW kcal/h Btu/h kW kW cm3/rev R.P.M W cc W CMM cfm Side...
Service Manual
Page 10
Due to our policy of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 18 20 22 24 Combination Unit ARUN173BT2 ARUN192BT2 ARUN211BT2 ARUN230BT2 Independent Unit ARUN096BT2 ARUN096BT2 ARUN115BT2 ARUN115BT2 ARUN076BT2 ARUN096BT2 ARUN096BT2 ARUN115BT2 kW 50.4 56.0 61.6 67.2 kcal/h 43...
Due to our policy of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 18 20 22 24 Combination Unit ARUN173BT2 ARUN192BT2 ARUN211BT2 ARUN230BT2 Independent Unit ARUN096BT2 ARUN096BT2 ARUN115BT2 ARUN115BT2 ARUN076BT2 ARUN096BT2 ARUN096BT2 ARUN115BT2 kW 50.4 56.0 61.6 67.2 kcal/h 43...
Service Manual
Page 11
...Specification Heat Pump(208/230V, 60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 26 Combination Unit ARUN250BT2 Independent Unit ARUN096BT2 ARUN076BT2 ARUN076BT2 kW 72.8 kcal/h 62,600 Btu...
...Specification Heat Pump(208/230V, 60Hz) HP(Equivalent horsepower) Model Name Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid Pipes Gas Pipes Dimensions (WxHxD) Net Weight Transmission Cable Refigerant Refigerant name Control Power Supply 26 Combination Unit ARUN250BT2 Independent Unit ARUN096BT2 ARUN076BT2 ARUN076BT2 kW 72.8 kcal/h 62,600 Btu...
Service Manual
Page 12
.../60 Copyright ©2009 LG Electronics. Inc. Specification Heat Pump(208/230V, 60Hz) HP(Equivalent horsepower) Model Name Combination Unit Independent Unit Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of innovation some specifications may be changed without prior notification 4. 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...
.../60 Copyright ©2009 LG Electronics. Inc. Specification Heat Pump(208/230V, 60Hz) HP(Equivalent horsepower) Model Name Combination Unit Independent Unit Capacity Cooling Heating Input Casing Color Heat Exchanger Compressor Fan Cooling Heating Type Piston Displacement Number of innovation some specifications may be changed without prior notification 4. 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...
Service Manual
Page 13
...) Auto restart operation Network Solution(LGAP) Power Distribution Indicator(PQNUD1S00) Thermistor O O O O O O O O O O O O O O O O O O O O O O - - Category CAC Network Program Other Device Network Solution(LGAP) Simple Central Controller Function Controller PC Central control Software Deluxe Central Controller Power Distribution Indicator(PDI) CNU2(I-Gataway) Dry contact(Outdoor Unit) Dry contact(Indoor Unit) AC Smart ACP AC Manager LONWORKS Gateway (BNU-LW) BACnet Gateway (BNU-BAC) LG MV Y branch Header branch Air Guide Refrigerant Charging Kit PLUS...
...) Auto restart operation Network Solution(LGAP) Power Distribution Indicator(PQNUD1S00) Thermistor O O O O O O O O O O O O O O O O O O O O O O - - Category CAC Network Program Other Device Network Solution(LGAP) Simple Central Controller Function Controller PC Central control Software Deluxe Central Controller Power Distribution Indicator(PDI) CNU2(I-Gataway) Dry contact(Outdoor Unit) Dry contact(Indoor Unit) AC Smart ACP AC Manager LONWORKS Gateway (BNU-LW) BACnet Gateway (BNU-BAC) LG MV Y branch Header branch Air Guide Refrigerant Charging Kit PLUS...
Service Manual
Page 15
... circuits. 4. The Units should be added to circulate freely. Only for the on site refrigerant piping work to leave sufficient space in the following figure. 3. All right reserved. When installing the units, the most appropriate pattern should be installed to be carried out comfortably. 250mm or more 250mm or more 900mm or more Front side 250mm or more Outdoor Unit...
... circuits. 4. The Units should be added to circulate freely. Only for the on site refrigerant piping work to leave sufficient space in the following figure. 3. All right reserved. When installing the units, the most appropriate pattern should be installed to be carried out comfortably. 250mm or more 250mm or more 900mm or more Front side 250mm or more Outdoor Unit...
Service Manual
Page 18
Only for the on site refrigerant piping work to the front and suction side service spaces respectively as shown in case of walls in the following figure. 900mm or more 2. The Units should be installed to leave sufficient space in mind the need to leave enough room for a person to pass between units and wall and for the air to circulate freely. L1...
Only for the on site refrigerant piping work to the front and suction side service spaces respectively as shown in case of walls in the following figure. 900mm or more 2. The Units should be installed to leave sufficient space in mind the need to leave enough room for a person to pass between units and wall and for the air to circulate freely. L1...
Service Manual
Page 20
... ure Sensor Gas Pipe Liquid Pipe s s s Comp Disc harge Temperature Sensor In ve r t er Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Injection Liquid Pipe Temp. Piping Diagrams 4. Piping Diagrams 4.1 Heat Pump Model 4.1.1 3Ø 460V (ARUN076DT2) Cooling Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp.
... ure Sensor Gas Pipe Liquid Pipe s s s Comp Disc harge Temperature Sensor In ve r t er Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Injection Liquid Pipe Temp. Piping Diagrams 4. Piping Diagrams 4.1 Heat Pump Model 4.1.1 3Ø 460V (ARUN076DT2) Cooling Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp.
Service Manual
Page 21
... Use Only Heating Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Piping Diagrams Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp. Only for training and service purposes - 21 - Low Press ure Gas Hot Gas Valve Low Press ure Sensor Gas Pipe Liquid Pipe s s Comp Disc harge Temperature Sensor...
... Use Only Heating Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Piping Diagrams Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp. Only for training and service purposes - 21 - Low Press ure Gas Hot Gas Valve Low Press ure Sensor Gas Pipe Liquid Pipe s s Comp Disc harge Temperature Sensor...
Service Manual
Page 22
Piping Diagrams Oil Return/ Defrost Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp. Sensor Plate Type HEX Sub-cooli ng Circuit Inlet Temperature Sensor Sub-Coo ling EEV Remarks Press ure Sensor Press ure Switch Temperature Sensor SVC Valve Check Valve EEV Outdoo...
Piping Diagrams Oil Return/ Defrost Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp. Sensor Plate Type HEX Sub-cooli ng Circuit Inlet Temperature Sensor Sub-Coo ling EEV Remarks Press ure Sensor Press ure Switch Temperature Sensor SVC Valve Check Valve EEV Outdoo...
Service Manual
Page 23
... ©2009 LG Electronics. Only for training and service purposes - 23 - 4.1.2 3Ø 460V, 3Ø 208/230V (UW1 Chassis) Cooling Operation Piping Diagrams Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp. All right reserved. LGE Internal Use Only High...
... ©2009 LG Electronics. Only for training and service purposes - 23 - 4.1.2 3Ø 460V, 3Ø 208/230V (UW1 Chassis) Cooling Operation Piping Diagrams Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor High Press ure Sensor 4-Way Valve Outdoor EEV Suction Temperature Oil Sensor Separator High Temp. All right reserved. LGE Internal Use Only High...
Service Manual
Page 24
... Use Only Low Press ure Gas Hot Gas Valve Low Press ure Sensor Oil Separator Gas Pipe Liquid Pipe s s s s Comp Disc harge Temperature Sensor In ve r t er Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Injection Liquid Pipe Temp. Inc. Piping Diagrams Heating Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor...
... Use Only Low Press ure Gas Hot Gas Valve Low Press ure Sensor Oil Separator Gas Pipe Liquid Pipe s s s s Comp Disc harge Temperature Sensor In ve r t er Comp Acc umulator Sub-cooli ng Circuit Outlet Temperature Sensor Liquid Injection Liquid Pipe Temp. Inc. Piping Diagrams Heating Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Ind oor HEX EEV Fan Fil ter Ind oor Unit DC Fan Outdoor Temperature Sensor DC Fan Outdoor Unit HEX Temperature Sensor...
Service Manual
Page 25
... Circuit Inlet Temperature Sensor Sub-Coo ling EEV Comp Disc harge Temperature Con stant Sensor Speed Comp Outdoo r Uni t Remarks Press ure Sensor Press ure Switch Temperature Sensor SVC Valve Check Valve EEV Soleno id Valve Strainer Copyright ©2009 LG Electronics. High Press ure Liqu id Low Temp. All right reserved. Oil Return/ Defrost Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Piping Diagrams...
... Circuit Inlet Temperature Sensor Sub-Coo ling EEV Comp Disc harge Temperature Con stant Sensor Speed Comp Outdoo r Uni t Remarks Press ure Sensor Press ure Switch Temperature Sensor SVC Valve Check Valve EEV Soleno id Valve Strainer Copyright ©2009 LG Electronics. High Press ure Liqu id Low Temp. All right reserved. Oil Return/ Defrost Operation Ind oor HEX EEV Fan Fil ter Ind oor Unit Piping Diagrams...
Service Manual
Page 29
... COMP CURRENT SENSOR) CN32 P-SENSOR(L) (LOW PRESSURE SENSOR) Wiring Diagrams SW01S RESET (RESET BUTTON) CN04 FLASH_WRITE (ONBOARDING TERMINAL) CN05 TO JIG (JIG CONNECTION TERMINAL: LGMV) SW02V AUTO ADDRES (AUTO ADDRESSING SWITCH) CN41 CEN CONTROL (CENTRAL CONTROL TERMINAL) CN33 SC-OUT (SC CIRCUIT OUTLET TEMP SENSOR) SC-IN (SC CIRCUIT INTLET TEMP SENSOR) SUCTION (SUCTION TEMPERATURE SENSOR) CN34 DISCHARGE(I) (INV DISCHARGE TEMP SENSOR) HEX1 (OUTDOOR HEX TEMP SENSOR 1) HEX2 (OUTDOOR HEX TEMP SENSOR 2) CN35 AIR (OUTDOOR TEMPERATURE SENSOR) SUCTION (SUCTION TEMPERATURE SENSOR) DISCHARGE(C) (CONST...
... COMP CURRENT SENSOR) CN32 P-SENSOR(L) (LOW PRESSURE SENSOR) Wiring Diagrams SW01S RESET (RESET BUTTON) CN04 FLASH_WRITE (ONBOARDING TERMINAL) CN05 TO JIG (JIG CONNECTION TERMINAL: LGMV) SW02V AUTO ADDRES (AUTO ADDRESSING SWITCH) CN41 CEN CONTROL (CENTRAL CONTROL TERMINAL) CN33 SC-OUT (SC CIRCUIT OUTLET TEMP SENSOR) SC-IN (SC CIRCUIT INTLET TEMP SENSOR) SUCTION (SUCTION TEMPERATURE SENSOR) CN34 DISCHARGE(I) (INV DISCHARGE TEMP SENSOR) HEX1 (OUTDOOR HEX TEMP SENSOR 1) HEX2 (OUTDOOR HEX TEMP SENSOR 2) CN35 AIR (OUTDOOR TEMPERATURE SENSOR) SUCTION (SUCTION TEMPERATURE SENSOR) DISCHARGE(C) (CONST...