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) AMNC093D4A0(LMN090CE) AMNH123DEA0(LMN120HE) AMNC123DEA0(LMN120CE) Art Cool Type AMNH093APM0(LMAN090HNS) AMNC093APM0(LMAN090CNS) AMNH123APM0(LMAN120HNS) AMNC123APM0(LMAN120CNS) • Outdoor Unit: A3UH363FA0(LMU360HE) A3UC363FA0(LMU360CE) 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) AMNC093D4A0(LMN090CE) AMNH123DEA0(LMN120HE) AMNC123DEA0(LMN120CE) Art Cool Type AMNH093APM0(LMAN090HNS) AMNC093APM0(LMAN090CNS) AMNH123APM0(LMAN120HNS) AMNC123APM0(LMAN120CNS) • Outdoor Unit: A3UH363FA0(LMU360HE) A3UC363FA0(LMU360CE) 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 Installation Tools...15 Select the best location ......
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 Installation Tools...15 Select the best location ......
Service Manual
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...' Model Type H: Heat Pump C: Cooling Only R-410A MPS Variable Multi System Outdoor Unit And No. of Connectable Indoor Units Ex) A3U : Connectable max. 2 Indoor Units Service Manual 3 look type G : G- look type M : M- look type N : N- look type L : L-
...' Model Type H: Heat Pump C: Cooling Only R-410A MPS Variable Multi System Outdoor Unit And No. of Connectable Indoor Units Ex) A3U : Connectable max. 2 Indoor Units Service Manual 3 look type G : G- look type M : M- look type N : N- look type L : L-
Service Manual
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...fire or electric shock. s Meanings of control box securely. WARNING s Installation Do not use a defective or under- Use this manual are as shown below. CAUTION This symbol indicates the possibility of fire or electric cause fire or electric shock shock. There is risk... Incorrect operation due to do. Be sure to follow the instruction. The seriousness is risk of death or serious injury. Service Manual 5 or an Authorized Service Center. • There is classified by the following instructions must be followed. For electrical work, contact the Always ground ...
...fire or electric shock. s Meanings of control box securely. WARNING s Installation Do not use a defective or under- Use this manual are as shown below. CAUTION This symbol indicates the possibility of fire or electric cause fire or electric shock shock. There is risk... Incorrect operation due to do. Be sure to follow the instruction. The seriousness is risk of death or serious injury. Service Manual 5 or an Authorized Service Center. • There is classified by the following instructions must be followed. For electrical work, contact the Always ground ...
Service Manual
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... comes from product. time. • There is risk of fire or electric shock. Turn the breaker off the gas and open a window for a long product. Service Manual 7
... comes from product. time. • There is risk of fire or electric shock. Turn the breaker off the gas and open a window for a long product. Service Manual 7
Service Manual
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... to the plastic parts of the product. • There is risk of damage or loss of the product when removing the air filter. Wax Thinner Service Manual 9 Do not use the product for long periods of time. (Don't sit in the draft.) • This could cause product malfunction or inefficient operation. Do...
... to the plastic parts of the product. • There is risk of damage or loss of the product when removing the air filter. Wax Thinner Service Manual 9 Do not use the product for long periods of time. (Don't sit in the draft.) • This could cause product malfunction or inefficient operation. Do...
Service Manual
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Split Type Indoor H D W Dimensions 2. Dimensions Indoor Unit 1. 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
Split Type Indoor H D W Dimensions 2. Dimensions Indoor Unit 1. 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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... Table" 2. Used / Diameter Noise Level (Sound Press,1m) H/M/L Temperature controller Coil Tube Size (OD) Fins per inch No. Service Manual 13 of Poles Input Running Current Fan Type No. Product Specifications Product Specifications Indoor Unit Indoor Unit Type Nominal Cooling Capacity 5 Model Nominal...) dBA inch(mm) l/h inch(mm) kg(lbs) inch(mm) inch(mm) mm inch(mm) 20/40ft(hi-c) Wall Mounted AMNC093D4A0(LMN090CE) AMNH093D4A0(LMN090HE) AMNC123DEA0(LMN120CE) AMNH123DEA0(LMN120HE) 2,267(2,637) 9,000 - 8.2(289) 18~30 15 DL-88430LGIF DC36 0.15 Cross Flow Fan 1/3.74(95) 31 ...
... Table" 2. Used / Diameter Noise Level (Sound Press,1m) H/M/L Temperature controller Coil Tube Size (OD) Fins per inch No. Service Manual 13 of Poles Input Running Current Fan Type No. Product Specifications Product Specifications Indoor Unit Indoor Unit Type Nominal Cooling Capacity 5 Model Nominal...) dBA inch(mm) l/h inch(mm) kg(lbs) inch(mm) inch(mm) mm inch(mm) 20/40ft(hi-c) Wall Mounted AMNC093D4A0(LMN090CE) AMNH093D4A0(LMN090HE) AMNC123DEA0(LMN120CE) AMNH123DEA0(LMN120HE) 2,267(2,637) 9,000 - 8.2(289) 18~30 15 DL-88430LGIF DC36 0.15 Cross Flow Fan 1/3.74(95) 31 ...
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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Oil trap should be installed every 5~7 meters (16.4~23.0ft). Service Manual 17 Installation Piping length and elevation Multi Piping Type Capacity(Btu/h) Max total length of all pipes (A+B/A+B+C) Max length of each pipe (A/B/C) Min length of ...
Oil trap should be installed every 5~7 meters (16.4~23.0ft). Service Manual 17 Installation Piping length and elevation Multi Piping Type Capacity(Btu/h) Max total length of all pipes (A+B/A+B+C) Max length of each pipe (A/B/C) Min length of ...
Service Manual
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... came out, In this panel a bit, and separate connecting wire with product. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 Panel Front Connector Remove cover pipe and cover side 1. Remove two screws(for safety. Pull up to remove the two screws. 2. The moment of...
... came out, In this panel a bit, and separate connecting wire with product. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 Panel Front Connector Remove cover pipe and cover side 1. Remove two screws(for safety. Pull up to remove the two screws. 2. The moment of...
Service Manual
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.... 1. Burrs removal 1. 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 Flaring Work and Connection of Piping Flaring Work and Connection of Piping Flaring work Main cause for gas leakage is due to defect in...
.... 1. Burrs removal 1. 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 Flaring Work and Connection of Piping Flaring Work and Connection of Piping Flaring work Main cause for gas leakage is due to defect in...
Service Manual
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.... Flaring Work and Connection of the pipes and sufficiently tighten the flare nut by wrapping them together with vinyl tape Drain hose Vinyl tape(wide) Service Manual 23 Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Torque kg.m 1.8 4.2 3. Wrap the insulation material around the connecting portion. 1. Bundle the piping and drain hose...
.... Flaring Work and Connection of the pipes and sufficiently tighten the flare nut by wrapping them together with vinyl tape Drain hose Vinyl tape(wide) Service Manual 23 Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Torque kg.m 1.8 4.2 3. Wrap the insulation material around the connecting portion. 1. Bundle the piping and drain hose...
Service Manual
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... unit against the installation plate until the hooks engage into the rear piping housing section. Piping for passage through piping hole Connecting cable Drain hose Service Manual 25 Wrap the area which they fit into their slots(clicking sound). Flaring Work and Connection of Piping Plastic bands Insulation material Connection pipe Vinyl...
... unit against the installation plate until the hooks engage into the rear piping housing section. Piping for passage through piping hole Connecting cable Drain hose Service Manual 25 Wrap the area which they fit into their slots(clicking sound). Flaring Work and Connection of Piping Plastic bands Insulation material Connection pipe Vinyl...
Service Manual
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For left may cause damage to the tubing. Good case • Press on the upper side of Piping Installation Information. Bad case • Following bending type from right to left piping. Service Manual 27 Flaring Work and Connection of clamp and unfold the tubing to downward slowly. Follow the instruction below.
For left may cause damage to the tubing. Good case • Press on the upper side of Piping Installation Information. Bad case • Following bending type from right to left piping. Service Manual 27 Flaring Work and Connection of clamp and unfold the tubing to downward slowly. Follow the instruction below.
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 C-UNIT 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 C-UNIT 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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... 34 Terminal BLOCK Indoor A-UNIT L N Power Source 208/230V AC (High voltage) 12 34 Terminal BLOCK Indoor B-UNIT 12 34 Terminal BLOCK Indoor C-UNIT NOTICE : 1. Service Manual 31 Separately wire the high and low voltage line. 2. Connecting the Cable between indoor and outdoor unit. (For example, Type SJO-WA) WARNING: • Be...
... 34 Terminal BLOCK Indoor A-UNIT L N Power Source 208/230V AC (High voltage) 12 34 Terminal BLOCK Indoor B-UNIT 12 34 Terminal BLOCK Indoor C-UNIT NOTICE : 1. Service Manual 31 Separately wire the high and low voltage line. 2. Connecting the Cable between indoor and outdoor unit. (For example, Type SJO-WA) WARNING: • Be...
Service Manual
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... those of the chassis. • Press the Grille toward the chassis until it will be back into place. Connect the wires to the indoor unit 1. Service Manual 33 Main power source Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse.
... those of the chassis. • Press the Grille toward the chassis until it will be back into place. Connect the wires to the indoor unit 1. Service Manual 33 Main power source Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse.
Service Manual
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... and connecting cable from down to prevent water entering the room. 3. Secure the taped piping along the exterior wall using saddle or equivalent. Trap Trap Service Manual 35 Checking the Drainage, Forming the Pipings and Long Pipe Setting Forming the piping Form the piping by saddle or equivalent. Seal a small opening around...
... and connecting cable from down to prevent water entering the room. 3. Secure the taped piping along the exterior wall using saddle or equivalent. Trap Trap Service Manual 35 Checking the Drainage, Forming the Pipings and Long Pipe Setting Forming the piping Form the piping by saddle or equivalent. Seal a small opening around...
Service Manual
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...the job 1. Manifold valve Pressure gauge Lo Hi Open Close Vacuum pump Service Manual 37 Required time for evacuation when 30 gal/h vacuum pump is used ...indoor unit. The operation time for each indoor unit. Loosen the charge hose connected to the gas side service port slightly to prevent leakage from the system. 5. The following table shows the time required for test ...completes air purging with an adjustable wrench. Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with a vacuum pump. or more 15 min. Connect the ...
...the job 1. Manifold valve Pressure gauge Lo Hi Open Close Vacuum pump Service Manual 37 Required time for evacuation when 30 gal/h vacuum pump is used ...indoor unit. The operation time for each indoor unit. Loosen the charge hose connected to the gas side service port slightly to prevent leakage from the system. 5. The following table shows the time required for test ...completes air purging with an adjustable wrench. Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with a vacuum pump. or more 15 min. Connect the ...