Service Manual
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website http://www.lgservice.com LG Multi Type Air Conditioner SERVICE MANUAL MODEL • Indoor Unit: Room Type AMNH093D4A0(LMN090HE) AMNH123DEA0 (LMN120HE) AMNC093D4A0(LMN090CE) AMNC123DEA0 (LMN120CE) Art Cool Type AMNH093APM0(LMAN090HNS) AMNH123APM0(LMAN120HNS) AMNC093APM0(LMAN090CNS) AMNC123APM0(LMAN120CNS) • Outdoor Unit: A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE) LG CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL.
website http://www.lgservice.com LG Multi Type Air Conditioner SERVICE MANUAL MODEL • Indoor Unit: Room Type AMNH093D4A0(LMN090HE) AMNH123DEA0 (LMN120HE) AMNC093D4A0(LMN090CE) AMNC123DEA0 (LMN120CE) Art Cool Type AMNH093APM0(LMAN090HNS) AMNH123APM0(LMAN120HNS) AMNC093APM0(LMAN090CNS) AMNC123APM0(LMAN120CNS) • Outdoor Unit: A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE) LG CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL.
Service Manual
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Multi type Air Conditioner Service Manual TABLE OF CONTENTS Model Number Nomenclature ...3 Symbols Used in this Manual ...4 Safety Precautions...5 Dimensions...11 Indoor Unit...11 Outdoor Unit ...12 Product Specifications ...13 Installation ...15 Installation Parts...15 ...
Multi type Air Conditioner Service Manual TABLE OF CONTENTS Model Number Nomenclature ...3 Symbols Used in this Manual ...4 Safety Precautions...5 Dimensions...11 Indoor Unit...11 Outdoor Unit ...12 Product Specifications ...13 Installation ...15 Installation Parts...15 ...
Service Manual
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...(Convertible) Outdoor Unit Electrical Rating 3: 1Ø, 208~230V, 60Hz Nominal Cooling Capacity in Btu/h Ex) 9,000 Btu/h '09', 12,000 Btu/h '12' Model Type H: Heat Pump C: Cooling Only MPS Variable Multi System Indoor Unit A2U H 24 3 F A 0 Serial Number Function A : Basic Multi Type F :...230V, 60Hz Nominal Cooling Capacity in Btu/h Ex) 24,000 Btu/h '24', 36,000 Btu/h '36' Model Type H: Heat Pump C: Cooling Only R-410A MPS Variable Multi System Outdoor Unit And No. Model Number Nomenclature Model Number Nomenclature Indoor Unit AMN H 09 3 D 4 A 0 Serial Number Function A : Basic, L ...
...(Convertible) Outdoor Unit Electrical Rating 3: 1Ø, 208~230V, 60Hz Nominal Cooling Capacity in Btu/h Ex) 9,000 Btu/h '09', 12,000 Btu/h '12' Model Type H: Heat Pump C: Cooling Only MPS Variable Multi System Indoor Unit A2U H 24 3 F A 0 Serial Number Function A : Basic Multi Type F :...230V, 60Hz Nominal Cooling Capacity in Btu/h Ex) 24,000 Btu/h '24', 36,000 Btu/h '36' Model Type H: Heat Pump C: Cooling Only R-410A MPS Variable Multi System Outdoor Unit And No. Model Number Nomenclature Model Number Nomenclature Indoor Unit AMN H 09 3 D 4 A 0 Serial Number Function A : Basic, L ...
Service Manual
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... up to 24k Btu/h Symbols Used in this Manual This symbol alerts you to hazards that could cause harm to the risk of electric shock. Model Number Nomenclature Combination table Operation 1 Unit 2 Unit Combination of Indoor Unit(kBtu/h) Cooling Each Capacity Total Capacity Unit-A Unit-B Total UNIT-A(Btu/h) UNIT-B(Btu/h) Btu...
... up to 24k Btu/h Symbols Used in this Manual This symbol alerts you to hazards that could cause harm to the risk of electric shock. Model Number Nomenclature Combination table Operation 1 Unit 2 Unit Combination of Indoor Unit(kBtu/h) Cooling Each Capacity Total Capacity Unit-A Unit-B Total UNIT-A(Btu/h) UNIT-B(Btu/h) Btu...
Service Manual
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Dimensions Indoor Unit 1. Split Type Indoor H D W Dimensions 2. Art Cool Type Indoor Unit W D H Pipe Hole Hanger Hole Installation plate Fix Hole Dimension W H D Model mm mm mm Split Type S4 SE 9 kBtu/h 12 kBtu/h 840 895 270 282 153 165 ARTCOOL Type SP3 9 kBtu/h 12 kBtu/h 570 568 129 Service Manual 11
Dimensions Indoor Unit 1. Split Type Indoor H D W Dimensions 2. Art Cool Type Indoor Unit W D H Pipe Hole Hanger Hole Installation plate Fix Hole Dimension W H D Model mm mm mm Split Type S4 SE 9 kBtu/h 12 kBtu/h 840 895 270 282 153 165 ARTCOOL Type SP3 9 kBtu/h 12 kBtu/h 570 568 129 Service Manual 11
Service Manual
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....6(973*231*372) 353/719 (792) Indoor Unit Type Nominal Cooling Capacity # Model Nominal Heating Capacity # Air Circulation H/M/L Setting temperature range(cool/heat) Fan motor Output Model No. Service Manual 13 Due to our policy of Rows & Column Dehumidification Rate Dimensions...Product Specifications Product Specifications Indoor Unit Indoor Unit Type Nominal Cooling Capacity # Model Nominal Heating Capacity # Air Circulation H/M/L Setting temperature range(cool/heat) Fan motor Output Model Input Running Current Fan Type No. Used / Diameter Noise Level (...
....6(973*231*372) 353/719 (792) Indoor Unit Type Nominal Cooling Capacity # Model Nominal Heating Capacity # Air Circulation H/M/L Setting temperature range(cool/heat) Fan motor Output Model No. Service Manual 13 Due to our policy of Rows & Column Dehumidification Rate Dimensions...Product Specifications Product Specifications Indoor Unit Indoor Unit Type Nominal Cooling Capacity # Model Nominal Heating Capacity # Air Circulation H/M/L Setting temperature range(cool/heat) Fan motor Output Model Input Running Current Fan Type No. Used / Diameter Noise Level (...
Service Manual
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...°F)WB -Interconnecting Piping Length 7.5m -Level Difference of innovation some specifications may be changed without notification. 14 Multi type Air Conditioner A2UH243FA0(LMU240HE) 9,000~24,000 2637~7033 2267~6037 9,000~24,000 2637~7033 2267~6037 1170~2390 1220~2440 7.7~10.1 7.4~9.8 1,208/230... (870*800*320) 69(152) 30 15 7.5 7.5 40.2*34.3*17.3 (1020*870*440) SE 12K +SE 12K 54/114 Notes: 1. Multiple piping models Model Cooling Capacity# Btu/hr W kcal/hr Heating Capacity# Btu/hr W kcal/hr Input# Cooling W Heating W Running Current#(208/230V) Cooling A Heating A ...
...°F)WB -Interconnecting Piping Length 7.5m -Level Difference of innovation some specifications may be changed without notification. 14 Multi type Air Conditioner A2UH243FA0(LMU240HE) 9,000~24,000 2637~7033 2267~6037 9,000~24,000 2637~7033 2267~6037 1170~2390 1220~2440 7.7~10.1 7.4~9.8 1,208/230... (870*800*320) 69(152) 30 15 7.5 7.5 40.2*34.3*17.3 (1020*870*440) SE 12K +SE 12K 54/114 Notes: 1. Multiple piping models Model Cooling Capacity# Btu/hr W kcal/hr Heating Capacity# Btu/hr W kcal/hr Input# Cooling W Heating W Running Current#(208/230V) Cooling A Heating A ...
Service Manual
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... power source and the unit as those of indoor unit respectively. Main power source Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse. Model 24k Power source Fuse or breaker Capacity 1Ø, 230/208V 25A Connect the cable to the outdoor unit connection. • Ensure that the color of...
... power source and the unit as those of indoor unit respectively. Main power source Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse. Model 24k Power source Fuse or breaker Capacity 1Ø, 230/208V 25A Connect the cable to the outdoor unit connection. • Ensure that the color of...
Service Manual
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...Jet Cool Operation indication Lamps (LED) On/Off : Lights up during Timer operation. Timer : Lights up during outdoor unit operation.(Cooling model only) operation Desire temperature For cooling,dehumidification,heating modes it display Destired temperature indicator • Cooling : 18°C~30°C(64°F~...8226; The unit will be stopped after deice ends. Defrost Mode : Lights up during Defrost Mode or Hot Start operation (Heat pump model only) Outdoor unit : Lights up during deicing. • Hot start Control (Heating) • The indoor fan stops until the ...
...Jet Cool Operation indication Lamps (LED) On/Off : Lights up during Timer operation. Timer : Lights up during outdoor unit operation.(Cooling model only) operation Desire temperature For cooling,dehumidification,heating modes it display Destired temperature indicator • Cooling : 18°C~30°C(64°F~...8226; The unit will be stopped after deice ends. Defrost Mode : Lights up during Defrost Mode or Hot Start operation (Heat pump model only) Outdoor unit : Lights up during deicing. • Hot start Control (Heating) • The indoor fan stops until the ...
Service Manual
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...up during Sleep Mode Auto operation. : Lights up during Timer operation. : Lights up during Defrost Mode or Hot Start operation.(Heat pump model only) : Lights up and down automatically. Soft Dry Operation Mode • Intermittent operation of fan at 28°C(82.4°F). 46 ... swing up during defrosting. Defrost(Deice) control (Heating) • Both the indoor and outdoor fan stops during outdoor unit operation.(Cooling model only) Desire temperature For cooling,dehumidification,heating modes it is delayed for approx. 3 minutes. Starting Current Control • Indoor fan is...
...up during Sleep Mode Auto operation. : Lights up during Timer operation. : Lights up during Defrost Mode or Hot Start operation.(Heat pump model only) : Lights up and down automatically. Soft Dry Operation Mode • Intermittent operation of fan at 28°C(82.4°F). 46 ... swing up during defrosting. Defrost(Deice) control (Heating) • Both the indoor and outdoor fan stops during outdoor unit operation.(Cooling model only) Desire temperature For cooling,dehumidification,heating modes it is delayed for approx. 3 minutes. Starting Current Control • Indoor fan is...
Service Manual
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... released from deice operation in low temp condtion, convert operating mode from being overload, protector will turn off comp A Service Manual 47 R/Valve Control(Heating Model Only) • Convert R/Valve to change cooling to heating, heating to the load condition. Operating Step • Compressor step varies considering condition such as room...
... released from deice operation in low temp condtion, convert operating mode from being overload, protector will turn off comp A Service Manual 47 R/Valve Control(Heating Model Only) • Convert R/Valve to change cooling to heating, heating to the load condition. Operating Step • Compressor step varies considering condition such as room...
Service Manual
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... 17 ˚C TO ˚F SWITCHING BUTTON Used to switch temperature reading from Centigrade to Fahrenheit. 18 HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON (NOT ON ALL MODELS) Used to the system. Signal transmitter 5 1 6 3 4 2 10 CANCEL 7 9 ON OFF SET 11 AUTO CLEAN 16 8 12 °...17 18 14 15 Flip-up door (opened) Operation Mode Cooling Operation Auto Operation Healthy Dehumidification Operation Heating Operation • Cooling Model( ), Heat Pump Model( ) 1 START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. 2 ...
... 17 ˚C TO ˚F SWITCHING BUTTON Used to switch temperature reading from Centigrade to Fahrenheit. 18 HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON (NOT ON ALL MODELS) Used to the system. Signal transmitter 5 1 6 3 4 2 10 CANCEL 7 9 ON OFF SET 11 AUTO CLEAN 16 8 12 °...17 18 14 15 Flip-up door (opened) Operation Mode Cooling Operation Auto Operation Healthy Dehumidification Operation Heating Operation • Cooling Model( ), Heat Pump Model( ) 1 START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. 2 ...
Service Manual
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... occurrence of error code, be sure to turn off the power and then turn on. • Having or not of error code is different from Model. D-Pipe Thermistor Error(Open/Short) 51 Capcity Error(High/Low) 3 times 3 times OFF 4 times 4 times OFF 4 times 5 times OFF 4 times 7 times OFF 5 times 1 times OFF...
... occurrence of error code, be sure to turn off the power and then turn on. • Having or not of error code is different from Model. D-Pipe Thermistor Error(Open/Short) 51 Capcity Error(High/Low) 3 times 3 times OFF 4 times 4 times OFF 4 times 5 times OFF 4 times 7 times OFF 5 times 1 times OFF...
Service Manual
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... Title 33 D-Pipe Temp. Error code Title 51 Capacitor error Cause of refrigerent. • Check the SVC V/V open . 3. Check the combination table. # In the tropical model case ➔ single cycle has no error for over capacity. 74 Multi type Air Conditioner
... Title 33 D-Pipe Temp. Error code Title 51 Capacitor error Cause of refrigerent. • Check the SVC V/V open . 3. Check the combination table. # In the tropical model case ➔ single cycle has no error for over capacity. 74 Multi type Air Conditioner
Service Manual
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... CAPACITOR,FILM,BOX 6120AR2194F 6120AR2194F R 548490 ACCUMULATOR ASSEMBLY 4848A20012A 4848A20012A R 561410 SOLENOID(COIL ASSEMBLY, REVERSE) 3A02028Z - Exploded View & Replacement Parts List Parts List (A2UH243FA0(LMU240HE), A2UC243FA0 (LMU240CE)) Location No. R 552204-1 DRAWING,ASSEMBLY(EEV COIL) 6877A20050A 6877A20050A R 552204-1 DRAWING,ASSEMBLY(EEV COIL) 6877A20050B 6877A20050B R 552203-1 VALVE,SERVICE(Ø9.... upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Solenoid(Coil Assempy, Reverse) is only for heat pump model. Description Part No.
... CAPACITOR,FILM,BOX 6120AR2194F 6120AR2194F R 548490 ACCUMULATOR ASSEMBLY 4848A20012A 4848A20012A R 561410 SOLENOID(COIL ASSEMBLY, REVERSE) 3A02028Z - Exploded View & Replacement Parts List Parts List (A2UH243FA0(LMU240HE), A2UC243FA0 (LMU240CE)) Location No. R 552204-1 DRAWING,ASSEMBLY(EEV COIL) 6877A20050A 6877A20050A R 552204-1 DRAWING,ASSEMBLY(EEV COIL) 6877A20050B 6877A20050B R 552203-1 VALVE,SERVICE(Ø9.... upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Solenoid(Coil Assempy, Reverse) is only for heat pump model. Description Part No.