User Manual for LG models including: ARNU073MAA4 Ceiling Concealed Duct Mid Static Air Conditioner, ARNU073MAA4, Ceiling Concealed Duct Mid Static Air Conditioner, Concealed Duct Mid Static Air Conditioner, Duct Mid Static Air Conditioner, Static Air Conditioner, Air Conditioner, Conditioner
19 apr 2024 — Before Servicing the unit, read the safety precautions in General SVC manual. ... Wireless Remote Controller. 1. -. -. -. -. 3/3/3 ... Only training and service ...
File Info : application/pdf, 10 Pages, 29.69MB
DocumentDocumentMulti V Air Conditioner SVC MANUAL(Exploded View) MODEL : ARNU073MAA4 ARNU093MAA4 ARNU123MAA4 ARNU153MAA4 ARNU183MAA4 ARNU243MAA4 CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel. Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes. 1. Specification Type Model Unit kW Cooling Capacity kcal/ h Btu/ h kW Heating Capacity kcal/ h Btu/ h Casing Dimensions (W x H x D) mm Body inch Rows x Columns x FPI Coil Face Area m2(sq.ft) Type Motor Output x Number W Running Current A Fan Air Flow Rate(H/ M/ L) CMM (High Mode-Factory Set) CFM Ext Static Pressure mmAq(in.Aq) Drive Motor Type Temperature Control Sound Absorbing Thermal I nsulation Material Air Filter Safety Divice Pipe Connections Liquid Side Gas Side Drain Pipe(I nternal Dia.) mm(inch) mm(inch) mm(inch) Net Weight Body kg(lbs) Sound Pressure Level (H/ M/ L) dB(A)+1 Power Supply Refrigerant Control Ø, V, Hz - Communication Cable(VCTF-SB) AWG × cores Ceiling Concealed Duct -Mid Static ARNU073MAA4 ARNU093MAA4 ARNU123MAA4 2.20 2.80 3.60 1,900 2,400 3,100 7,500 9,600 12,300 2.50 3.20 4.00 2,200 2,800 3,400 8,500 10,900 13,600 Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 900 x 245 x 700 900 x 245 x 700 900 x 245 x 700 35-7/ 16 x 9-21/ 32 x 27-9/ 16 35-7/ 16 x 9-21/ 32 x 27-9/ 16 35-7/ 16 x 9-21/ 32 x 27-9/ 16 2 × 13 × 18 2 x 13 x 18 2 x 13 x 18 0.19 (2.05) 0.19 (2.05) 0.19 (2.05) Sirocco Fan Sirocco Fan Sirocco Fan 165 x 1 165 x 1 165 x 1 1.7 1.7 1.7 8/ 7/ 6 10 / 9 / 8 14 / 12 / 10 283 / 247 / 212 353 / 318 / 283 494 / 424 / 353 6(0.24) 6(0.24) 6(0.24) Direct Direct Direct BLDC BLDC BLDC Microprocessor, Thermostat for Microprocessor, Thermostat for Microprocessor, Thermostat for cooling and heating cooling and heating cooling and heating Foamed polystrene Foamed polystrene Foamed polystrene Pre-filter Pre-filter Pre-filter Fuse Fuse Fuse 6.35 (1/ 4) 6.35 (1/ 4) 6.35 (1/ 4) 12.7 (1/ 2) 12.7 (1/ 2) 12.7 (1/ 2) 25 (1) 25 (1) 25 (1) 28.4(62.6) 28.4(62.6) 28.4(62.6) 28 / 27 / 25 28 / 27 / 26 31 / 29 / 28 1, 208 / 230, 60 1, 208 / 230, 60 1, 208 / 230, 60 EEV EEV EEV AWG 18 x2C AWG 18 x2C AWG 18 x 2C 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(24.6ft) · 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(24.6ft) · 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. To be added for more available Models 5. EEV : Electronic Expansion Valve 6. Noise Level is High Mode (factory set) Conversion Formula kcal/h= kW x 860 Btu/h = kW x 3412 cfm = m3/min x 35.3 l/s = CMM x 1000/60 -2- Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes. 1. Specification Type Model Unit kW Cooling Capacity kcal/ h Btu/ h kW Heating Capacity kcal/ h Btu/ h Casing Dimensions (W x H x D) mm Body inch Rows x Columns x FPI Coil Face Area m2(sq.ft) Type Motor Output x Number W Running Current A Fan Air Flow Rate(H/ M/ L) CMM (High Mode-Factory Set) CFM Ext Static Pressure mmAq(in.Aq) Drive Motor Type Temperature Control Sound Absorbing Thermal I nsulation Material Air Filter Safety Divice Pipe Connections Liquid Side Gas Side Drain Pipe(I nternal Dia.) mm(inch) mm(inch) mm(inch) Net Weight Body kg(lbs) Sound Pressure Level (H/ M/ L) dB(A)+1 Power Supply Ø, V, Hz Refrigerant Control - Communication Cable(VCTF-SB) AWG × cores Ceiling Concealed Duct -Mid Static ARNU153MAA4 ARNU183MAA4 ARNU243MAA4 4.50 5.60 7.10 3,900 4,800 6,100 15,400 19,100 24,200 5.00 6.30 8.00 4,300 5,400 6,900 17,100 21,500 27,300 Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate 900 x 245 x 700 900 x 245 x 700 900 x 245 x 700 35-7/ 16 x 9-21/ 32 x 27-9/ 16 35-7/ 16 x 9-21/ 32 x 27-9/ 16 35-7/ 16 x 9-21/ 32 x 27-9/ 16 2 x 13 x 18 2 x 13 x 18 3 x 13 x 18 0.19 (2.05) 0.19 (2.05) 0.19 (2.05) Sirocco Fan Sirocco Fan Sirocco Fan 165 x 1 165 x 1 165 x 1 1.7 1.7 1.7 15 / 12 / 11 18 / 15 / 12 20 / 15.5 / 13 530 / 424 / 388 635 / 530 / 424 706 / 547 / 459 6(0.24) 6(0.24) 6(0.24) Direct Direct Direct BLDC BLDC BLDC Microprocessor, Thermostat for Microprocessor, Thermostat for Microprocessor, Thermostat for cooling and heating cooling and heating cooling and heating Foamed polystrene Foamed polystrene Foamed polystrene Pre-filter Pre-filter Pre-filter Fuse Fuse Fuse 6.35 (1/ 4) 6.35 (1/ 4) 9.52 (3/ 8) 12.7 (1/ 2) 12.7 (1/ 2) 15.88 (5/ 8) 25 (1) 25 (1) 25 (1) 28.4(62.6) 28.4(62.6) 29.7(65.5) 33 / 31 / 29 36 / 32 / 29 38 / 33 / 30 1, 208 / 230, 60 1, 208 / 230, 60 1, 208 / 230, 60 EEV EEV EEV AWG 18 x 2C AWG 18 x 2C AWG 18 x 2C 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(24.6ft) · 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(24.6ft) · 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. To be added for more available Models 5. EEV : Electronic Expansion Valve 6. Noise Level is High Mode (factory set) Conversion Formula kcal/h= kW x 860 Btu/h = kW x 3412 cfm = m3/min x 35.3 l/s = CMM x 1000/60 -3- Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes. 2. List of Functions Category Function Air flow Air purifying Installation Reliability Convenience Individual control Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Airflow steps(fan/cool/heat) Chaos swing Chaos wind(auto wind) Jet cool(Power wind) Swirl wind Deodorizing filter Plasma air purifier Prefilter(washable) Drain pump E.S.P. control Electric heater(operation) High ceiling operation Vertical installation kit Hot start Self diagnosis Auto changeover Auto cleaning Auto operation(artificial intelligence) Auto restart operation Child lock Forced operation Group control Sleep mode Timer(on/off) Timer(weekly) Two thermistor control LG Multi SITETM Remote Controller (With Occupancy Sensor) LG Multi SITETM Remote Controller Premium Simple Wireless Remote Controller ARNU073MAA4, ARNU093MAA4, ARNU123MAA4 ARNU153MAA4, ARNU183MAA4, ARNU243MAA4 1 3/3/3 X X O O O X ABDAMA0 O O O (Heat recovery only) O O (Heat pump or cooling only) O O O O O O O PREMTBVC1 PREMTBVC0 PREMTA000 PREMTC00U PQWRHQ0FDB O : Applied X : Not applied : No relation 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 separate package. -4- Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes. 3. Piping Diagrams MA Chassis Heat Exchanger EEV Filter Th3 Th2 Sirocco Fan Filter Th1 lndoor unit :Cooling :Heating CHASSIS MA LOC. Th1 Th2 Th3 Refrigerant pipe connection port diameter MODEL ARNU073MAA4 ARNU093MAA4 ARNU123MAA4 ARNU153MAA4 ARNU183MAA4 ARNU243MAA4 GAS Ø12.7(1/2) Ø12.7(1/2) Ø12.7(1/2) Ø12.7(1/2) Ø12.7(1/2) Ø15.88(5/8) Description Thermistor for room air temperature Thermistor for pipe in temperature Thermistor for pipe out temperature [Unit : mm(inch)] LIQUID Ø6.35(1/4) Ø6.35(1/4) Ø6.35(1/4) Ø6.35(1/4) Ø6.35(1/4) Ø9.52(3/8) PCB Connector (Color) CN_ROOM (Yellow) CN_PIPE_IN (White) CN_PIPE_OUT (Red) -5- Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes. 4. Wiring Diagrams ARNU073MAA4, ARNU093MAA4, ARNU123MAA4, ARNU153MAA4, ARNU183MAA4, ARNU243MAA4 FUSE_H 250 V / T 5 A L(L1) N(L2) POWER INPUT MEZ65014864 Rev.01 020224 CN_PIPE_OUT CN_REMO CN_OPTION CN_WF CN_LGMV CN_OPTION CN_485 CN_PTC DIP SWITCH CN_CC CN_PIPE_IN CN_FLOAT CN_ROOM CN_DC_DRAIN CN_DISPLAY CN_ZONE CN_EEV CN_EXT CN_MOTOR1 CN_DAMPER EARTH1 CN_D_PUMP CN_POWER FUSE_H -6- Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes. 5. DIP Switch Setting 1. Indoor Unit SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 Function Description Communication N/A (Default) Setting Off - Setting On - Cycle N/A (Default) - - Group Control Selection of Master or Slave Master Slave Dry Contact Mode Selection of Dry Contact Wired/Wireless remote Mode controller Selection of Manual or Auto Auto operation Mode Installation Fan continuous operation Continuous operation Removall - Heater linkage N/A - - Ventilator linkage Selection of Ventilator linkage Linkage Removal Working Vane selection (Console) Selection of up/down side Vane Up side + Down side Vane Up side Vane Only Region selection Selection tropical region General model Tropical model Etc. Spare - - Default Off Off Off Off Off Off Off Off For Multi V Models, DIP switch 1, 2, 6, 8 must be set OFF. 2. Outdoor Unit In case that the products meet specific conditions, "Auto addressing" function can start automatically with the improved speed by turning the DIP switch #3 of the outdoor unit and resetting the power. * Specific conditions: - All names of the indoor units are ARNU****4. - The serial number of Multi V super IV (outdoor units) is after October 2013. DIP switch 7 segment Outdoor Unit PCB Outdoor Unit DIP Switch - 7- Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes. 137214 237213 739209 137213 237203 159830 W4810A 354210 330871A 739205 237202 W4030A 739207 147901 336600B 336600A 359012A 359012 346810 349600A W4810B 349600B 349600C 249951 W4810C 739204 55221G 352118 152500A 739202A 249940 EBG13YL 2687S2 2687S1 249941 2687M W4810D EBG13RD EBG13WH 261704 W6642 W6645 437213 W4030B 73920A 137223 237223 W50010 352150B 249950 237205 137211 249310 158591 7. Self-diagnosis function Error Indicator · This function indicates types of failure in self-diagnosis and occurrence of failure for air condition. · Error mark is displayed on display window of indoor units and wired remote controller, and 7-segment LED of outdoor unit control board as shown in the table. · If more than two troubles occur simultaneously, lower number of error code is first displayed. · After error occurrence, if error is released, error LED is also released simultaneously. Error Display - 1st,2nd,3rd LED of 7-segment indicates error number, 4th LED indicates unit number. Indicates unit number. (* = 1:Master, 2 : Slave 1, 3 : Slave 2) Ex) 211 : No.21 error of master unit 213 : No.21 error of slave2 1051 : No.105 error of master unit (repetition) Error Compressor Unit(1:Master, 2:Slave 1, 3:Slave 2) Error number Refer to the DX-Venitilation manual for DX-Venitilation error code Indoor unit related error Display 01 02 03 04 05 06 - Title Air temperature sensor of indoor unit Inlet pipe temperature sensor of indoor unit Communication error : wired remote controller indoor unit Drain pump Communication error : Indoor communication PCB indoor unit Outlet pipe temperature sensor of indoor unit 0 9 - Indoor EEPROM Error 1 0 - Poor fan motor operation 2 3 0 Refrigerant leakage sensing error 2 3 7 Communication defect in indoor communication PCB outdoor communication PCB 2 3 8 Communication error in outdoor communication PCB outdoor unit Cause of Error Air temperature sensor of indoor unit is open or short Inlet pipe temperature sensor of indoor unit is open or short Failing to receive wired remote controller signal in indoor unit PCB Malfunction of drain pump Indoor Unit PCB did not receive signal from Indoor communication PCB for over 3 minutes continuously Outlet pipe temperature sensor of indoor unit is open or short In case when the serial number marked on EEPROM of Indoor unit is 0 or FFFFFF Disconnecting the fan motor connector / Failure of indoor fan motor lock Refrigerant leakage sensing error and sensor defect error Indoor communication PCB did not receive signal from outdoor communication PCB for over 3 minutes continuously Outdoor communication PCB did not receive communication signal from outdoor unit for over 3 minutes continuously 9 4 P/NO : MFL69041304 Copyright © 2024 LG Electronics Inc. All rights reserved. Only training and service purposes.