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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... 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 Installation Tools...15 Select the best location ......
... 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 Installation Tools...15 Select the best location ......
Service Manual
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..., D : Wood, M : Metal, R : Mirror, W : White Chassis Name Indoor Unit Type Wall mounted split D : D- look type G : G- of Connectable Indoor Units Ex) A2U : Connectable max. 2 Indoor Units Service Manual 3 look type L : L- look type M : M-
..., D : Wood, M : Metal, R : Mirror, W : White Chassis Name Indoor Unit Type Wall mounted split D : D- look type G : G- of Connectable Indoor Units Ex) A2U : Connectable max. 2 Indoor Units Service Manual 3 look type L : L- look type M : M-
Service Manual
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... temp. 8.3°C(46.9°F)DB, 6.1°C(43°F)WB 3.The total ability of connected a indoor unit is up to 24k Btu/h Symbols Used in this Manual This symbol alerts you to hazards that could cause harm to the risk of Indoor Unit(kBtu/h) Cooling Each Capacity Total Capacity Unit-A Unit-B Total...
... temp. 8.3°C(46.9°F)DB, 6.1°C(43°F)WB 3.The total ability of connected a indoor unit is up to 24k Btu/h Symbols Used in this Manual This symbol alerts you to hazards that could cause harm to the risk of Indoor Unit(kBtu/h) Cooling Each Capacity Total Capacity Unit-A Unit-B Total...
Service Manual
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... the user or other people and property damage, the following indications. Be sure to ignoring instruction will cause harm or damage. Use this manual are as shown below. Use the correctly rated break- I Incorrect operation due to follow the instruction. er or fuse. • There...or an Authorized Service Center. • There is risk of fire or electric shock. • Do not disassemble or repair the product. Service Manual 5 Be sure not to do. For electrical work, contact the Always ground the product. of death or serious injury. I Installation Do not use...
... the user or other people and property damage, the following indications. Be sure to ignoring instruction will cause harm or damage. Use this manual are as shown below. Use the correctly rated break- I Incorrect operation due to follow the instruction. er or fuse. • There...or an Authorized Service Center. • There is risk of fire or electric shock. • Do not disassemble or repair the product. Service Manual 5 Be sure not to do. For electrical work, contact the Always ground the product. of death or serious injury. I Installation Do not use...
Service Manual
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.... Stop operation and close the window in a gas or combustibles near the power cable. • There is risk of the product, or electric shock. Service Manual 7 There is risk of explosion or fire If strange sounds, or small or smoke comes from the window before turn the product on or off...
.... Stop operation and close the window in a gas or combustibles near the power cable. • There is risk of the product, or electric shock. Service Manual 7 There is risk of explosion or fire If strange sounds, or small or smoke comes from the window before turn the product on or off...
Service Manual
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..., such as preserving foods, works of time. (Don't sit in the draft.) • This could harm to cool air for your health. Wax Thinner Service Manual 9 I Operational Do not expose the skin directly to your neighbors. Do not use harsh detergents, solvents, etc. Do not touch the metal parts of air...
..., such as preserving foods, works of time. (Don't sit in the draft.) • This could harm to cool air for your health. Wax Thinner Service Manual 9 I Operational Do not expose the skin directly to your neighbors. Do not use harsh detergents, solvents, etc. Do not touch the metal parts of air...
Service Manual
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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 Dimensions Indoor Unit 1. Split Type Indoor H D W Dimensions 2.
Service Manual
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.../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 Used / Diameter Noise Level (Sound Press,1m) H/M/L Temperature controller Coil Tube Size (OD) Fins per inch No. of Rows & Column Dehumidification Rate Dimensions (W*H*D) Net...
.../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 Used / Diameter Noise Level (Sound Press,1m) H/M/L Temperature controller Coil Tube Size (OD) Fins per inch No. of Rows & Column Dehumidification Rate Dimensions (W*H*D) Net...
Service Manual
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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. 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
Service Manual
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Service Manual 17 Oil trap should be installed every 5~7 meters (16.4~23.0ft). door unit (h1) Max elevation between each between indoor units (h2) 24k 30m(100ft) ...
Service Manual 17 Oil trap should be installed every 5~7 meters (16.4~23.0ft). door unit (h1) Max elevation between each between indoor units (h2) 24k 30m(100ft) ...
Service Manual
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... drainage. 2. Remove the rubber stopple of desired direction of cover side. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 Remove two screws(for safety. Drain hose junction 1. In case of connecting direction is separated 3. Panel Front Connector Remove cover pipe and cover side...
... drainage. 2. Remove the rubber stopple of desired direction of cover side. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 Remove two screws(for safety. Drain hose junction 1. In case of connecting direction is separated 3. Panel Front Connector Remove cover pipe and cover side...
Service Manual
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..., Remove the map) (Falling attention) INSTALLATION GUIDE MAP Hanger hole (Rear side of nothing wrong in the matter, connect the pipe and the wire. (Installation manual reference) I Sticking the installation guide map and fixing Indoor unit 1. INSTAIIATION GUIDE MAP 3. First, Drive the two points of product at the upper screws. (In...
..., Remove the map) (Falling attention) INSTALLATION GUIDE MAP Hanger hole (Rear side of nothing wrong in the matter, connect the pipe and the wire. (Installation manual reference) I Sticking the installation guide map and fixing Indoor unit 1. INSTAIIATION GUIDE MAP 3. First, Drive the two points of product at the upper screws. (In...
Service Manual
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.... Copper 3. Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 A mm 0~0.5 0~0.5 Copper tube Handle "A" Bar Bar Yoke Cone Copper pipe Clamp handle Red arrow mark Service Manual 21 Cut the pipes a little longer than the pipe length. Completely remove all burrs from the cut cross section of pipe/tube. 2. Carry out correct...
.... Copper 3. Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 A mm 0~0.5 0~0.5 Copper tube Handle "A" Bar Bar Yoke Cone Copper pipe Clamp handle Red arrow mark Service Manual 21 Cut the pipes a little longer than the pipe length. Completely remove all burrs from the cut cross section of pipe/tube. 2. Carry out correct...
Service Manual
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...(narrow) Pipe Wrap with vinyl tape. 3. Wrap the area which accommodates the rear piping housing section with vinyl tape Drain hose Vinyl tape(wide) Service Manual 23 4. Press the lower left and right. Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Torque kg.m 1.8 4.2 3. Bind them with vinyl tape so that the...
...(narrow) Pipe Wrap with vinyl tape. 3. Wrap the area which accommodates the rear piping housing section with vinyl tape Drain hose Vinyl tape(wide) Service Manual 23 4. Press the lower left and right. Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Torque kg.m 1.8 4.2 3. Bind them with vinyl tape so that the...
Service Manual
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... piping Vinyl tape(narrow) Drain hose Pipe Vinyl tape(narrow) Wrap with vinyl tape. 3. Piping for passage through piping hole Connecting cable Drain hose Service Manual 25 Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material. Reroute the pipings and the drain hose across the back...
... piping Vinyl tape(narrow) Drain hose Pipe Vinyl tape(narrow) Wrap with vinyl tape. 3. Piping for passage through piping hole Connecting cable Drain hose Service Manual 25 Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material. Reroute the pipings and the drain hose across the back...
Service Manual
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For left may cause damage to downward slowly. Bad case • Following bending type from right to left piping. Follow the instruction below. Service Manual 27 Good case • Press on the upper side of Piping Installation Information. Flaring Work and Connection of clamp and unfold the tubing to the tubing.
For left may cause damage to downward slowly. Bad case • Following bending type from right to left piping. Follow the instruction below. Service Manual 27 Good case • Press on the upper side of Piping Installation Information. Flaring Work and Connection of clamp and unfold the tubing to the tubing.
Service Manual
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Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Torque kg.m 1.8 4.2 Outdoor unit A-UNIT Gas side piping B-UNIT Liquid side piping Torque wrench Service Manual 29 Outdoor Align the center of Piping Finally, tighten the flare nut with torque wrench until the wrench clicks. • When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench. Flaring Work and Connection of the pipings and sufficiently tighten the flare nut by hand.
Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Torque kg.m 1.8 4.2 Outdoor unit A-UNIT Gas side piping B-UNIT Liquid side piping Torque wrench Service Manual 29 Outdoor Align the center of Piping Finally, tighten the flare nut with torque wrench until the wrench clicks. • When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench. Flaring Work and Connection of the pipings and sufficiently tighten the flare nut by hand.
Service Manual
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... example, Type SJO-WA) WARNING: • Be sure to comply with local codes while running the wire from the unit by loosening the screw. Service Manual 31 Outdoor unit Terminal block Over 5mm Holder for the connection between Indoor Unit and Outdoor Unit Connect the cable to the original position with...
... example, Type SJO-WA) WARNING: • Be sure to comply with local codes while running the wire from the unit by loosening the screw. Service Manual 31 Outdoor unit Terminal block Over 5mm Holder for the connection between Indoor Unit and Outdoor Unit Connect the cable to the original position with...
Service Manual
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Service Manual 33 Attach the Grille onto the cabinet. • Grasp the lower left and right side of the Grille and engage four tabs on the control ...
Service Manual 33 Attach the Grille onto the cabinet. • Grasp the lower left and right side of the Grille and engage four tabs on the control ...