Service Manual
Page 2
... this Manual ...4 Safety Precautions...5 Dimensions...11 Indoor Unit...11 Outdoor Unit ...12 Product Specifications ...13 Installation ...15 Installation Parts...15 Installation Tools...15 Select the best location ...16 Piping length and elevation ...17 Fixing Installation Plate(Standart Type 18 ... Refrigeration Cycle Diagram ...64 Self-diagnosis Function ...65 Cycle Troubleshooting Guide...66 Electronic Parts Troubleshooting Guide 67 General Information...72 2-way, 3-way Valve ...78 Exploded View & Replacement Parts List 82 Indoor Unit ...82 Outdoor Unit ...86 2 Multi type Air Conditioner
... this Manual ...4 Safety Precautions...5 Dimensions...11 Indoor Unit...11 Outdoor Unit ...12 Product Specifications ...13 Installation ...15 Installation Parts...15 Installation Tools...15 Select the best location ...16 Piping length and elevation ...17 Fixing Installation Plate(Standart Type 18 ... Refrigeration Cycle Diagram ...64 Self-diagnosis Function ...65 Cycle Troubleshooting Guide...66 Electronic Parts Troubleshooting Guide 67 General Information...72 2-way, 3-way Valve ...78 Exploded View & Replacement Parts List 82 Indoor Unit ...82 Outdoor Unit ...86 2 Multi type Air Conditioner
Service Manual
Page 7
... smoke comes from the window before turn switches on or off or disconnect the power supply cable. Do not allow water to run into electric parts. • It may cause There is risk of fire, failure of fire or electrical shock. Service Manual 7 Do not store or use flammable Do not...
... smoke comes from the window before turn switches on or off or disconnect the power supply cable. Do not allow water to run into electric parts. • It may cause There is risk of fire, failure of fire or electrical shock. Service Manual 7 Do not store or use flammable Do not...
Service Manual
Page 9
... product for special purposes, such as preserving foods, works of personal injury. Do not touch the metal parts of air flow. Corrosion, particularly on the product. Use two or more people to the plastic parts of the product. • There is risk of damage or loss of time. (Don't sit in the...
... product for special purposes, such as preserving foods, works of personal injury. Do not touch the metal parts of air flow. Corrosion, particularly on the product. Use two or more people to the plastic parts of the product. • There is risk of damage or loss of time. (Don't sit in the...
Service Manual
Page 10
... or clothes, wash it well with new ones of the air conditioner and could cause product malfunction or damage. • There are sharp and moving parts that could cause personal injury. Do not use the remote if the batteries have leaked. • The chemicals in batteries could cause • Be careful...
... or clothes, wash it well with new ones of the air conditioner and could cause product malfunction or damage. • There are sharp and moving parts that could cause personal injury. Do not use the remote if the batteries have leaked. • The chemicals in batteries could cause • Be careful...
Service Manual
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... Rate Dimensions (W*H*D) Net Weight Piping Connection Liquid Gas Drain hose (ID Ø) Packing Dimension (W*H*D) Stuffing Quantity With(Without) S/Parts kcal/h(W) Btu/h kcal/h(W) Btu/h CMM(CFM) °C W Artcool AMNC093APM0(LMAN090CNS) AMNH093APM0(LMAN090HNS) AMNC123APM0(LMAN120CNS) AMNH123APM0(LMAN120HNS) ...Dehumidification Rate Dimensions (W*H*D) Net Weight Piping Connection Liquid Gas Drain hose (ID Ø) Packing Dimension (W*H*D) Stuffing Quantity With(Without) S/Parts kcal/h(W) Btu/h kcal/h(W) Btu/h CMM(CFM) °C W V A EA/inch(mm) dBA inch(mm) l/h inch(...
... Rate Dimensions (W*H*D) Net Weight Piping Connection Liquid Gas Drain hose (ID Ø) Packing Dimension (W*H*D) Stuffing Quantity With(Without) S/Parts kcal/h(W) Btu/h kcal/h(W) Btu/h CMM(CFM) °C W Artcool AMNC093APM0(LMAN090CNS) AMNH093APM0(LMAN090HNS) AMNC123APM0(LMAN120CNS) AMNH123APM0(LMAN120HNS) ...Dehumidification Rate Dimensions (W*H*D) Net Weight Piping Connection Liquid Gas Drain hose (ID Ø) Packing Dimension (W*H*D) Stuffing Quantity With(Without) S/Parts kcal/h(W) Btu/h kcal/h(W) Btu/h CMM(CFM) °C W V A EA/inch(mm) dBA inch(mm) l/h inch(...
Service Manual
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Installation Parts Installation plate Type "B" screw Installation Type "A" screw and plastic anchor Remote Control Holder Installation Tools Figure Name Screw driver Electric Drill Measuring Tape, Knife Hole Core Drill Spanner Torque wrench Figure Name Ohmmeter Hexagonal wrench Ammeter Gas Leak Detector Thermometer, Level Flaring Tool Set Service Manual 15 Installation Read carefully, and then follow step by step.
Installation Parts Installation plate Type "B" screw Installation Type "A" screw and plastic anchor Remote Control Holder Installation Tools Figure Name Screw driver Electric Drill Measuring Tape, Knife Hole Core Drill Spanner Torque wrench Figure Name Ohmmeter Hexagonal wrench Ammeter Gas Leak Detector Thermometer, Level Flaring Tool Set Service Manual 15 Installation Read carefully, and then follow step by step.
Service Manual
Page 19
The moment of lifting the both lower parts of connecting direction is separated 3. Remove two screws(for Installation (Artcool Type Only) Open panel front 1. Drain hose junction 1. Remove the rubber stopple of desired ...direction of drain pan, and join drain hose and connecting hose. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 After pull down this time panel front is left or right, path through rear wall, don't remove the...
The moment of lifting the both lower parts of connecting direction is separated 3. Remove two screws(for Installation (Artcool Type Only) Open panel front 1. Drain hose junction 1. Remove the rubber stopple of desired ...direction of drain pan, and join drain hose and connecting hose. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 After pull down this time panel front is left or right, path through rear wall, don't remove the...
Service Manual
Page 20
... guide map and fixing Indoor unit 1. Horizontality INSTALLATION GUIDE MAP Indoor WALL Outdoor 5-7mm (0.2~0.3") 20 Multi type Air Conditioner Drill the piercing part for connecting pipe as diameter 50mm. (In case of product at suited horizon by horizontal meter on the desired surface. INSTAIIATION GUIDE MAP ...3. In case of the upper parts by adhesive tape. Drive the fore plastic anchors into drilled points. First, Drive the two points of nothing wrong in the wall. ...
... guide map and fixing Indoor unit 1. Horizontality INSTALLATION GUIDE MAP Indoor WALL Outdoor 5-7mm (0.2~0.3") 20 Multi type Air Conditioner Drill the piercing part for connecting pipe as diameter 50mm. (In case of product at suited horizon by horizontal meter on the desired surface. INSTAIIATION GUIDE MAP ...3. In case of the upper parts by adhesive tape. Drive the fore plastic anchors into drilled points. First, Drive the two points of nothing wrong in the wall. ...
Service Manual
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Drive two screws. 26 Multi type Air Conditioner Assemble connecting lead wire with controller and first fix the upper part of panel front, then match the lower part of Piping I Panel Assembly(Art Cool Type only) 1. Flaring Work and Connection of panel front Panel Front Connector 3. First, Check the side cover assembly exactly, Fix power cord in the bottom groove of cover side left. 2.
Drive two screws. 26 Multi type Air Conditioner Assemble connecting lead wire with controller and first fix the upper part of panel front, then match the lower part of Piping I Panel Assembly(Art Cool Type only) 1. Flaring Work and Connection of panel front Panel Front Connector 3. First, Check the side cover assembly exactly, Fix power cord in the bottom groove of cover side left. 2.
Service Manual
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... wire should be allowed to the original position with the holder (clamper). 3. Refix the cover control to touch refrigerant tubing, the compressor or any moving parts. Service Manual 31 Connect the wires to the Outdoor unit. 1. Outdoor unit Terminal block Over 5mm Holder for the connection between Indoor Unit and Outdoor...
... wire should be allowed to the original position with the holder (clamper). 3. Refix the cover control to touch refrigerant tubing, the compressor or any moving parts. Service Manual 31 Connect the wires to the Outdoor unit. 1. Outdoor unit Terminal block Over 5mm Holder for the connection between Indoor Unit and Outdoor...
Service Manual
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... . 1. In cases where the outdoor unit is required to up . 2. Tape the piping and connecting cable from down to prevent water from entering into electrical parts. Seal a small opening around the pipings with gum type sealer. Trap Trap Service Manual 35 Seal a small opening around the pipings with gum type sealer...
... . 1. In cases where the outdoor unit is required to up . 2. Tape the piping and connecting cable from down to prevent water from entering into electrical parts. Seal a small opening around the pipings with gum type sealer. Trap Trap Service Manual 35 Seal a small opening around the pipings with gum type sealer...
Service Manual
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... Air Purging and Evacuation Air and moisture remaining in the system rises. 2. Pressure in the refrigerant system have been properly connected and all joints of parts in vertical standing position) 36 Multi type Air Conditioner Therefore, the indoor/outdoor unit and connecting tube must be higher than 150 P.S.I .G. CAUTION: To avoid...
... Air Purging and Evacuation Air and moisture remaining in the system rises. 2. Pressure in the refrigerant system have been properly connected and all joints of parts in vertical standing position) 36 Multi type Air Conditioner Therefore, the indoor/outdoor unit and connecting tube must be higher than 150 P.S.I .G. CAUTION: To avoid...
Service Manual
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... Connectors Sensor Connector 4Way/Fan Connector Comp Connector Power Connector Power Connector Comp Connector Motor Connector 52 Multi type Air Conditioner Lift the both lower parts of panel front. - Disassembly Art Cool Type Indoor Unit CAUTION: Disconnect the unit from the chassis carefully. Pull the control box out from power supply...
... Connectors Sensor Connector 4Way/Fan Connector Comp Connector Power Connector Power Connector Comp Connector Motor Connector 52 Multi type Air Conditioner Lift the both lower parts of panel front. - Disassembly Art Cool Type Indoor Unit CAUTION: Disconnect the unit from the chassis carefully. Pull the control box out from power supply...
Service Manual
Page 67
...'y Procedure 1) The input voltage of micom pin 29 : DC4.5V↑ Remedy 1) Replace power transfomer. 2) Replace power transfomer. 3) Replace IC01D. 4) Replace IC02D. 5) Replace IC01A. Electronic Parts Troubleshooting Guide ❇ Refer to the unit. • The connecting method of Indoor/Outdoor connecting cable (each color) • The P.W.B. Turn on outdoor PCB is...
...'y Procedure 1) The input voltage of micom pin 29 : DC4.5V↑ Remedy 1) Replace power transfomer. 2) Replace power transfomer. 3) Replace IC01D. 4) Replace IC02D. 5) Replace IC01A. Electronic Parts Troubleshooting Guide ❇ Refer to the unit. • The connecting method of Indoor/Outdoor connecting cable (each color) • The P.W.B. Turn on outdoor PCB is...
Service Manual
Page 68
... the compressor stopped Indoor Fan is displayed in the Sleeping Mode, the wind speed is set to the low speed as force.) Caused by other parts except the remote controller When the mark ( ) is driven by a low speed. Troubleshooting Guide Trouble 2 Product doesn't operate with the remote controller...
... the compressor stopped Indoor Fan is displayed in the Sleeping Mode, the wind speed is set to the low speed as force.) Caused by other parts except the remote controller When the mark ( ) is driven by a low speed. Troubleshooting Guide Trouble 2 Product doesn't operate with the remote controller...
Service Manual
Page 71
... is a soldering short at following terminals. - Between 12 , 13 , 14 , 15 of IC01M - Between 1 , 2 , 3 , 4 and 5 of CN-UP/DOWN If there are catching and interfering parts in the rotation radial of MICOM - Between 60 , 61 , 62 and 63 of the Vertical Louver Service Manual 71 Troubleshooting Guide Trouble 5 When the louver...
... is a soldering short at following terminals. - Between 12 , 13 , 14 , 15 of IC01M - Between 1 , 2 , 3 , 4 and 5 of CN-UP/DOWN If there are catching and interfering parts in the rotation radial of MICOM - Between 60 , 61 , 62 and 63 of the Vertical Louver Service Manual 71 Troubleshooting Guide Trouble 5 When the louver...
Service Manual
Page 81
Exploded View & Replacement Parts List Parts List (S4, SE chassis) LOCATION No. SE chassis AMNH093D4A0 AMNC093D4A0 AMNH123DEA0 AMNC123DEA0 (LMN090HE) (LMN090CE) (LMN120HE) (LMN120CE) SVC CODE 131410 CHASSIS ASSEMBLY 3141A20019C ...5901A20017H 5901A20017H R 733010 PLATE ASSEMBLY,INSTALLATION 3301A20020C 3301A20020C 3301A20020A 3301A20020A R 135500 COVER 3550A30262A 3550A30262A 3550A30315A 3550A30315A R NOTE) *Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Service Manual 81 DESCRIPTION S4 chassis...
Exploded View & Replacement Parts List Parts List (S4, SE chassis) LOCATION No. SE chassis AMNH093D4A0 AMNC093D4A0 AMNH123DEA0 AMNC123DEA0 (LMN090HE) (LMN090CE) (LMN120HE) (LMN120CE) SVC CODE 131410 CHASSIS ASSEMBLY 3141A20019C ...5901A20017H 5901A20017H R 733010 PLATE ASSEMBLY,INSTALLATION 3301A20020C 3301A20020C 3301A20020A 3301A20020A R 135500 COVER 3550A30262A 3550A30262A 3550A30315A 3550A30315A R NOTE) *Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Service Manual 81 DESCRIPTION S4 chassis...
Service Manual
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Exploded View & Replacement Parts List Parts List (SP3 chassis) LOCATION No. AMNH093APM0 AMNC093APM0 AMNH123APM0 AMNC123APM0 (LMAN090HNS) (LMAN090CNS) (LMAN120HNS) (LMAN120CNS) SVC CODE 131410 CHASSIS ASSEMBLY 3141A20030C 3141A20030C 3141A20030C 3141A20030C R...5251AR1222R R 354210 EVAPORATOR ASSEMBLY,FIRST 5421A20072A 5421A20072A 5421A20072A 5421A20072A R 359012 FAN,TURBO 5900A00003A 5900A00003A 5900A00003A 5900A00003A R NOTE) *Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Service Manual 83 DESCRIPTION...
Exploded View & Replacement Parts List Parts List (SP3 chassis) LOCATION No. AMNH093APM0 AMNC093APM0 AMNH123APM0 AMNC123APM0 (LMAN090HNS) (LMAN090CNS) (LMAN120HNS) (LMAN120CNS) SVC CODE 131410 CHASSIS ASSEMBLY 3141A20030C 3141A20030C 3141A20030C 3141A20030C R...5251AR1222R R 354210 EVAPORATOR ASSEMBLY,FIRST 5421A20072A 5421A20072A 5421A20072A 5421A20072A R 359012 FAN,TURBO 5900A00003A 5900A00003A 5900A00003A 5900A00003A R NOTE) *Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Service Manual 83 DESCRIPTION...
Service Manual
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...buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Solenoid(Coil Assempy, Reverse) is only for heat pump model. SVC A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE) CODE 437210 PANEL ASSEMBLY,FRONT(SUB) 1A00197C 1A00197C R 137213-1 PANEL ASSEMBLY,SIDE 1A00202F 1A00202F R 137213-2 PANEL ASSEMBLY...FILM,BOX 6120AR2194F 6120AR2194F R 548490 ACCUMULATOR ASSEMBLY 4848A20012A 4848A20012A R 561410 SOLENOID(COIL ASSEMBLY, REVERSE) 3A02028Z - Description Part No. Exploded View & Replacement Parts List Parts List (A2UH243FA0(LMU240HE), A2UC243FA0 (LMU240CE)) Location No.
...buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Solenoid(Coil Assempy, Reverse) is only for heat pump model. SVC A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE) CODE 437210 PANEL ASSEMBLY,FRONT(SUB) 1A00197C 1A00197C R 137213-1 PANEL ASSEMBLY,SIDE 1A00202F 1A00202F R 137213-2 PANEL ASSEMBLY...FILM,BOX 6120AR2194F 6120AR2194F R 548490 ACCUMULATOR ASSEMBLY 4848A20012A 4848A20012A R 561410 SOLENOID(COIL ASSEMBLY, REVERSE) 3A02028Z - Description Part No. Exploded View & Replacement Parts List Parts List (A2UH243FA0(LMU240HE), A2UC243FA0 (LMU240CE)) Location No.