LG Electronics A2UC243FA0 (LMU240CE), A2UH243FA0(LMU240HE) RY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH

Page 57

 

Q01M

 

DC 5V

 

 

 

 

 

IC04M

 

 

L01M

 

D01M

L03M

 

 

 

 

 

BD01M

 

KRA101M

 

 

 

 

 

 

 

 

 

L02M

 

FMX12S

L04M

 

 

 

 

C12M

D15XB60

 

 

 

 

 

 

 

 

 

 

 

 

S/W TRANS1

 

 

 

4.7K

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

330UF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

450V

 

PWM(A)

 

 

4.3K

 

39.2K

13K

 

3K

5.23K

 

 

 

 

 

 

11

2

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

R10M

C11M

NTC

 

 

 

 

21.5K

 

 

 

 

 

8

 

 

 

 

 

 

 

+ DKS-10D-22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68K

222K

 

 

 

 

 

 

 

 

R04S

 

 

 

R07M

C04M

C05M

C06M

 

 

 

3W

1KV

R11M

 

 

 

 

 

3

20

20

9

 

 

 

 

 

D02M

 

 

 

 

 

1

14

 

10K

473K

680uF

821K

 

 

 

 

560K

 

 

 

 

2

 

 

8

2

 

 

ERB-44-08

 

 

 

 

 

 

 

 

 

 

 

 

 

100V

63V

1KV

 

 

8

4

 

 

1/2W

 

 

R01M

 

 

 

 

 

 

 

 

 

 

 

 

 

C07M

 

 

 

 

 

 

6.04K

 

35.7K

 

 

20K

 

 

 

 

 

 

6

 

 

 

 

 

 

10.2K

 

 

 

 

 

 

 

 

 

 

472/250V

 

 

C10M

 

 

 

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51.1K

 

 

 

 

 

5

 

22

10K

 

7

 

 

 

 

 

 

 

S/W TRANS2

 

 

R13M

 

 

 

 

6

2

1

34K

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

6

R08M

Q02M

 

 

 

 

2

 

 

30,1W

 

 

 

+

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100K

2SD2220

 

 

 

 

 

 

 

 

 

C01M

R02M

 

 

 

51.1K

 

 

2.94K

8.06K

 

 

 

 

 

 

3

7

 

 

 

 

100uf

9.1k

 

 

 

 

 

 

 

 

 

 

 

ZD01M

R12M

 

 

 

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q03M

 

 

 

 

 

 

 

 

51.1K

 

 

23.2K

 

 

 

C09M

R09M

 

4

9

12V

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

103K

1.5K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100V

 

 

 

 

 

 

 

 

 

 

 

 

 

1

5

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R04M,2K,1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

MT 15V

 

 

 

 

 

 

C02M

R03M

C03M

R06M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

102

 

13K

 

100uF

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100V

1%

 

25V

 

51.1K

 

 

 

 

 

 

 

 

Vm(A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q04M

 

DC 5V

 

 

 

 

 

IC05M

 

 

L05M

 

D03M

L07M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KRA101M

 

 

 

 

 

 

 

 

 

L06M

 

FMX12S

L08M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

S/W TRANS3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM(B)

 

 

4.3K

 

39.2K

13K

 

3K

5.23K

 

 

 

 

 

 

11

2

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

R23M

C23M

 

 

 

 

 

21.5K

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

DC 15V

 

 

 

 

 

 

 

 

 

DC 310V

 

 

 

 

 

 

 

 

 

DC 5V

 

 

 

 

 

 

 

 

 

 

R01K

R09K

R13K

R02K

IC01K

 

 

 

 

 

10K

 

 

 

R05K

 

TX(A)

1K

1K

1K

3 8

 

 

 

 

 

 

1

20

 

 

 

 

 

 

2

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R03K

R04K

 

 

 

 

 

 

 

 

10K

 

 

 

R06K

 

 

 

 

1K

 

 

 

 

 

RX(A)

 

 

 

 

7

8

5

10K

COM(A)

 

 

 

 

 

 

 

 

 

 

 

 

4

6

R07K

 

 

 

 

C01K

 

 

 

 

10K

 

 

 

 

102

 

 

R08K

 

 

 

 

 

 

 

 

 

10K

 

 

DC 0V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC02K

 

 

 

 

TX(B)

 

 

 

 

3

8

 

R11K

 

 

 

 

 

 

1

20

COM(B)

 

 

 

 

 

2

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R10K

 

 

 

 

 

 

 

 

 

1K

 

 

 

 

 

 

RX(B)

 

 

 

 

7

8

5

 

 

 

 

 

 

 

 

4

6

R12K

 

 

 

 

C02K

 

 

 

 

10K

 

 

 

 

102

 

 

 

 

 

 

 

 

 

 

 

IC03K

 

 

 

 

TX(C)

 

 

 

 

3

8

 

R15K

 

 

 

 

 

 

1

20

COM(C)

 

 

 

 

 

2

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R14K

 

 

 

 

 

 

 

 

 

1K

 

 

 

 

 

 

RX(C)

 

 

 

 

7

8

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

6

R16K

 

 

 

 

C03K

 

 

 

 

10K

 

 

 

 

102

 

 

 

 

 

 

 

 

CN-COM1

COM(A)

1

1

 

 

2

2

DC 15V

3

3

Vm(A)

4

4

 

 

 

CN-COM2

COM(B)

1

1

 

 

2

2

DC 15V

3

3

Vm(B)

4

4

 

 

 

CN-COM3

COM(C)

1

1

 

 

2

2

DC 15V

3

3

Vm(C)

4

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68K

222K

 

 

 

 

 

R04S

 

 

 

 

R20M

C16M

C17M

C18M

 

 

 

 

3W

1KV

 

 

1

3

20

20

9

14

 

 

10K

473K

680uF

821K

 

 

 

 

D04M

 

 

 

2

 

 

8

 

2

 

 

 

ERB-44-08

 

 

 

 

 

 

 

 

 

100V

63V

1KV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

4

 

 

 

R14M

 

 

 

 

 

 

 

 

 

 

 

 

 

C19M

 

 

 

6.04K

 

35.7K

 

 

20K

 

 

 

 

 

 

 

6

 

 

 

 

10.2K

 

 

 

 

 

 

 

 

 

 

472/250V

 

 

C22M

 

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51.1K

 

 

5

 

22

10K

 

7

 

 

 

 

 

 

 

 

S/W TRANS4

 

 

R25M

 

6

2

1

34K

 

 

 

 

 

 

 

 

 

 

 

4

 

 

6

3

R21M

Q05M

 

 

 

 

2

 

 

30,1W

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100K

2SD2220

 

 

 

 

 

 

 

C13M

R15M

 

 

51.1K

 

 

2.94K

8.06K

 

 

 

 

 

 

 

3

7

 

 

100uf

9.1k

 

 

 

 

 

 

 

 

 

 

 

ZD02M

R24M

 

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q06M

 

 

 

 

51.1K

 

 

23.2K

 

 

 

 

C21M

R22M

 

 

 

12V

200

 

 

 

 

 

 

 

 

 

 

 

 

4

9

 

 

 

 

 

 

 

 

 

 

 

 

 

103K

1.5K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100V

 

 

 

 

 

 

 

 

 

 

1

5

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R17M,2K,1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MT 15V

 

 

 

C14M

R16M

+

C15M

R19M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

102

 

13K

 

100uF

220

 

 

 

 

 

 

 

 

 

 

 

 

 

100V

1%

 

25V

 

51.1K

 

 

 

 

 

 

 

 

 

Vm(B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q07M

DC 5V

 

 

 

 

 

IC06M

 

 

 

L09M

D05M

L11M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KRA101M

 

 

 

 

 

 

 

 

 

L10M

FMX12S

L12M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.7K

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S/W TRANS5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM(C)

 

4.3K

 

39.2K

13K

 

3K

5.23K

 

 

 

 

 

 

 

11

2

 

 

 

 

 

 

 

+

 

 

 

 

 

 

R35M

C33M

 

 

21.5K

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68K

222K

 

 

 

 

 

R04S

 

 

 

 

R32M

C27M

C28M

C29M

 

 

 

 

3W

1KV

 

 

1

3

20

20

9

14

 

 

10K

473K

680uF

821K

 

 

 

 

D06M

 

 

 

2

 

 

8

 

2

 

 

 

ERB-44-08

 

 

 

 

 

 

 

 

 

100V

63V

1KV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

4

 

 

 

R26M

 

 

 

 

 

 

 

 

 

 

 

 

 

C30M

 

 

 

6.04K

 

35.7K

 

 

20K

 

 

 

 

 

 

 

6

 

 

 

 

10.2K

 

 

 

 

 

 

 

 

 

 

472/250V

 

 

C32M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51.1K

 

 

5

 

22

10K

 

7

 

 

 

 

 

 

 

 

S/W TRANS6

 

 

R37M

 

6

2

1

34K

 

 

 

 

 

 

 

 

 

 

 

4

 

 

6

3

R33M

Q08M

 

 

 

 

2

 

 

30,1W

 

+

 

 

 

 

 

 

 

100K

2SD2220

 

 

 

 

 

 

 

C24M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R27M

 

 

51.1K

 

 

2.94K

8.06K

 

 

 

 

 

 

 

3

7

 

 

100uf

9.1k

 

 

 

 

 

 

 

 

 

 

 

ZD03M

R36M

 

1%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q09M

 

 

 

 

51.1K

 

 

23.2K

 

 

 

 

C31M

R34M

 

 

 

12V

200

 

 

 

 

 

 

 

 

 

 

 

 

4

9

 

 

 

 

 

 

 

 

 

 

 

 

 

103K

1.5K

 

 

 

 

 

C08D

L02D

 

C04D

 

 

 

103

12uH

 

470UF

D01D

 

 

50V

 

1N4937

MT 15V

 

 

 

35V

 

 

 

 

 

 

 

C05D

+

 

 

R02D

+

 

220uF

 

 

 

 

 

35V

 

 

 

2K

 

 

 

 

 

 

1/2W

 

 

DC 15V

 

 

 

 

 

 

 

 

IC04D

 

 

L01D

 

 

 

 

 

12uH

 

DC 5V

 

7805

 

 

 

 

C03D

+

C07D

C06D

+

 

+

220uF

 

103

103

 

 

 

10V

 

50V

50V

 

 

 

 

 

 

 

C02D

C01D

 

 

 

 

 

470uF

1000UF

 

 

 

 

 

25V

35V

 

 

GND

 

R102

 

IN

 

13

 

 

1

 

 

 

C101

 

R101

 

 

 

 

 

 

D101

 

 

12

OUT

 

 

 

3

NC

 

 

 

 

9

OUT

 

 

D

 

 

D201

 

TNY

FB

 

 

 

R201

 

5

NC

R202

 

268

 

 

PC201

S

BP

 

 

 

7

D202

 

C102

 

6

 

 

 

 

 

 

GNDGND

u-POWER MODULE

C10D uRM1515-2B 102M

D01J

RY-4WAY

RY-LIQ

RY-GAS

RY-FAN(L)

RY-FAN(H)

DC 310V

DC 0V

 

1

1

4WAY

 

NF05M

 

 

 

1

1

LIQUID

 

 

 

 

NF04M

 

 

 

1

1

HOT GAS

 

 

 

 

NF03M

 

 

 

 

 

CN-FAN

 

1

1

FAN LOW

 

 

 

 

NF02M

 

 

 

1

1

FAN HI

 

 

 

 

NF01M

 

 

RY-COMP(B)

 

 

3

4

 

 

 

 

 

COMP B

RY-COMP(A)

 

 

3

4

 

COMP A

 

 

 

 

 

 

LIVE2

 

 

 

LIVE1

Service Manual 57

 

 

 

100V

1

5

4

R29M,2K,1%

 

 

 

 

 

+

MT 15V

 

 

 

C25M

R28M

C26M

R31M

102

13K

100uF

220

100V

1%

25V

51.1K

 

 

 

Vm(C)

 

 

C06J~C07J

 

 

 

 

 

C08J

C05J

R01J

C04J

C03J

302

 

 

NF02J

 

 

NF01J

 

 

 

9mH

 

 

1mH

 

222*2

1uF

472*3

1M

1uF

1uF

561*2

C09J~C10J

ZNR01J~ZNR02J

FUSE

 

 

250V/T5A

 

 

ZNR01J

 

 

INR14D471K

1

1

SVC561D-14A

 

 

 

3

3

 

 

NEUTRAL

 

 

CN-POWER

Schematic Diagram

Image 57
Contents Indoor Unit Room Type Art Cool Type Multi Type Air ConditionerTable of Contents Model Number Nomenclature Indoor UnitOutdoor Unit Combination table Symbols Used in this ManualInstallation Safety PrecautionsBe sure not to do Be sure to follow the instruction Control box securely Cuit and breakerBe cautious when unpacking Do not place anything on the power cableBe sure the installation area does not deteriorate with age OperationDo not allow water to run into electric parts Nect the power supply cableSmoke comes from product Hurricane arrivesInstall the drain hose to ensure that Keep level even when When the product is soakedInstalling the product Not enter the productAir flow OperationalVents, etc Not use harsh detergents, solWhen cleaning or maintaining Ly. Clean the filter every twoDo not step on or put anyting on the product. outdoor units Do not drink the water drained from the productDimensions Indoor UnitSplit Type Indoor Outdoor Unit Indoor Unit Product SpecificationsModel A2UC243FA0LMU240CE A2UH243FA0LMU240HE Outdoor Unit Multiple piping modelsInstallation Installation PartsInstallation Tools Rooftop Installations Select the best locationOutdoor unit Piping length and elevation Multi Piping Type24k Fixing Installation PlateStandard Type Open panel front Preparing work for Installation Artcool Type OnlyRemove cover pipe and cover side Drain hose junctionPut an Installation Guide Map on the desired surface Sticking the installation guide map and fixing Indoor unitDrill a hole in the wall Drive the fore plastic anchors into drilled pointsFlaring work Flaring Work and Connection of PipingConnecting the Piping CheckIndoor Wrap the insulation material around the connecting por- tion For left rear piping Connection Indoor Drive two screws Panel AssemblyArt Cool Type onlyBad case Good caseRemote Control Preparationoptional Outdoor unit OutdoorConnect the cable to the Indoor unit Connecting the Cable between Indoor Unit and Outdoor UnitOutdoor unit Connect the cable to the Outdoor unitHow to connect wiring to the terminals Connection method of the connecting cableExampleAttach the Grille onto the cabinet Checking the drainage To check the drainageDrain piping Forming the piping Checking method Air Purging and EvacuationPreparation Leakage testRepeat evacuation procedure for each indoor unit EvacuationFinishing the job Additional ChargingSplit, Art Cool Type Test RunningSoft Dry Operation Mode Cooling Mode OperationHeating Mode Operation OperationDefrost ControlHeating Fuzzy OperationFuzzy Operation for Cooling Off-Timer Operation On-Timer OperationAirflow Speed Selection Fuzzy Operation for DehumidificationSleep Timer Operation Off-Timer = On-Timer OperationChaos Swing Mode Chaos Natural Wind ModeBuzzer Sounding Operation Forced OperationSplit Type Indoor Unit Function of Indoor UnitArt Cool Type Indoor Unit IndicatorOperation DefrostDeice control HeatingFunction of Outdoor Unit Remote Control Operation Cooling Model , Heat Pump Model15 2nd F Button To remove the Grille from the Chassis DisassemblyTo remove the Control Box To remove the Motor Cover To remove the Control Box To remove the Evaporator Before removing the Turbo FanTo remove the Motor Schematic Diagram Electronic Control DeviceSplit Type Outdoor TMP87CM41F RY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Art Cool Type Indoor Unit Wiring DiagramBottom View Components LocationsArt Cool Type Schematic Diagram Component side Solder side Refrigeration Cycle Diagram Troubleshooting GuideA2UH243FA0LMU240HE A2UC243FA0 LMU240CEOutdoor Error Indoor ErrorError Indicator Self-diagnosis FunctionTrouble analysis Cycle Troubleshooting GuideProcedure Specification Remedy Electronic Parts Troubleshooting GuideProduct doesnt operate with the remote controller Check Point Comp. on Comp. OFF Compressor/Outdoor Fan are dont operateNector Trouble 4 When indoor Fan does not operateTroubleshooting Guide Check Point Error CodeIndoor air sensor Indoor inlet pipe sensorCommunication line is shorted at GND Power input AC 230V.Outdoor, IndoorError Title Cause of error Check point & Normal condition Outdoor air sensor Title Cause of error Check point & Normal conditionCondensor pipe sensor Pipe sensorWay Valve Liguid Side Way, 3-way ValvePumping down ProcedureAir purging of the charge hose Set the liquid side valve to the closed positionMount the valve caps and the service port caps EvacuationAll amount of refrigerant leaked Gas Charging Mount the valve stem nuts and the service port nutAfter Evacuation Connect the gauge to the charging cylinderS4, SE chassis Exploded View & Replacement Parts ListParts List S4, SE chassis S4 chassis SE chassisLMN090HE SP3 Chassis Art Cool Type Filter ASSEMBLY,AIR Cleaner Parts List SP3 chassisA2UC243FA0 LMU240CE Parts List A2UH243FA0LMU240HE, A2UC243FA0 LMU240CE LocationDescription April No A20462Z

AMNC093APM0(LMAN090CNS), AMNH123DEA0 (LMN120HE), A2UC243FA0 (LMU240CE), AMNH123APM0(LMAN120HNS), A2UH243FA0(LMU240HE) specifications

LG Electronics has established a prominent position in the HVAC (heating, ventilation, and air conditioning) market with its diverse range of air conditioning units, including models AMNH123APM0 (LMAN120HNS), AMNH123DEA0 (LMN120HE), AMNC123DEA0 (LMN120CE), A2UH243FA0 (LMU240HE), and A2UC243FA0 (LMU240CE). Each of these models is designed to provide efficient cooling and heating solutions, boasting advanced technologies and user-friendly features.

The AMNH123APM0 (LMAN120HNS) model stands out for its energy efficiency, thanks to its inverter technology that adjusts power consumption according to the cooling or heating demand. This feature not only reduces energy costs but also enhances the lifespan of the unit. Additionally, its compact design allows for easy installation in various residential or commercial settings.

Similarly, the AMNH123DEA0 (LMN120HE) offers robust performance with its variable-speed compressor technology. This model ensures precise temperature control and minimal fluctuations, promoting comfort throughout the space. The unit also incorporates a quiet operation mode, making it ideal for bedrooms or offices where noise levels need to be minimized.

The AMNC123DEA0 (LMN120CE) is another compelling choice, featuring a sleek design that fits seamlessly into any décor. It operates efficiently in various weather conditions, maintaining a consistent indoor climate year-round. Its smart diagnostic system simplifies maintenance, allowing for timely troubleshooting and ensuring long-term reliability.

For larger spaces, the A2UH243FA0 (LMU240HE) and A2UC243FA0 (LMU240CE) models provide effective solutions with their powerful cooling and heating capacities. These units are equipped with multi-zone capabilities, allowing users to customize temperatures for different areas of a building. The advanced filtration system in these models captures dust and allergens, improving indoor air quality.

Another noteworthy feature across these models is their SmartThinQ technology, which enables users to control their systems remotely via a smartphone app. This feature not only adds convenience but also facilitates energy management by allowing users to monitor and adjust settings on the go.

In conclusion, LG Electronics offers a range of HVAC solutions with its AMNH123APM0, AMNH123DEA0, AMNC123DEA0, A2UH243FA0, and A2UC243FA0 models. With energy-efficient technology, user-friendly features, and advanced performance capabilities, these air conditioning units are designed to meet the diverse cooling and heating needs of modern consumers while ensuring environmental sustainability.