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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..., W : White Chassis Name Indoor Unit Type Wall mounted split D : D- look type L : L- look type N : N- look type G : G- of Connectable Indoor Units Ex) A3U : Connectable max. 2 Indoor Units Service Manual 3
..., W : White Chassis Name Indoor Unit Type Wall mounted split D : D- look type L : L- look type N : N- look type G : G- of Connectable Indoor Units Ex) A3U : Connectable max. 2 Indoor Units Service Manual 3
Service Manual
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... electrical work, contact the Always ground the product. Install the panel and the cover Always install a dedicated cir- Service Manual 5 or an Authorized Service Center. • There is classified by the following instructions must be followed. CAUTION This symbol indicates the possibility of... fire or electric shock. Use this manual are as shown below. s Incorrect operation due to properties only. The seriousness is ...
... electrical work, contact the Always ground the product. Install the panel and the cover Always install a dedicated cir- Service Manual 5 or an Authorized Service Center. • There is classified by the following instructions must be followed. CAUTION This symbol indicates the possibility of... fire or electric shock. Use this manual are as shown below. s Incorrect operation due to properties only. The seriousness is ...
Service Manual
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... product in storm or hurricane. There is risk of property damage, failure of the product, or electric shock. If possible, remove the product from product. Service Manual 7 Gasolin When flammable gas leaks, turn off or disconnect the power supply cable. Do not allow water to run into electric parts. • It may...
... product in storm or hurricane. There is risk of property damage, failure of the product, or electric shock. If possible, remove the product from product. Service Manual 7 Gasolin When flammable gas leaks, turn off or disconnect the power supply cable. Do not allow water to run into electric parts. • It may...
Service Manual
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... for special purposes, such as preserving foods, works of property. Do not install the product where it will be exposed to your neighbors. Wax Thinner Service Manual 9 Do not use harsh detergents, solvents, etc. Use a soft cloth to lift and transport the product. It is a consumer air conditioner, not a precision refrigeration system...
... for special purposes, such as preserving foods, works of property. Do not install the product where it will be exposed to your neighbors. Wax Thinner Service Manual 9 Do not use harsh detergents, solvents, etc. Use a soft cloth to lift and transport the product. It is a consumer air conditioner, not a precision refrigeration system...
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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 Split Type Indoor H D W Dimensions 2.
Service Manual
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...mm) 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 /... Unit Type Nominal Cooling Capacity 5 Model Nominal Heating Capacity 5 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 &...
...mm) 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 /... Unit Type Nominal Cooling Capacity 5 Model Nominal Heating Capacity 5 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 &...
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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
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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 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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.... As the following picture, Insert drain hose in the handle of drainage. 2. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 Installation Preparing work for Installation (Artcool Type Only) Open panel front 1. First, push the front panel backward and lift it up the cover side...
.... As the following picture, Insert drain hose in the handle of drainage. 2. Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 Installation Preparing work for Installation (Artcool Type Only) Open panel front 1. First, push the front panel backward and lift it up the cover side...
Service Manual
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... the tubing. 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 Carry out correct flaring work .
... the tubing. 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 Carry out correct flaring work .
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... it left and right sides of the pipes and sufficiently tighten the flare nut by wrapping them with vinyl tape Drain hose Vinyl tape(wide) Service Manual 23 Tighten the flare nut with vinyl tape. 3. Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Indoor unit installation Hook...
... it left and right sides of the pipes and sufficiently tighten the flare nut by wrapping them with vinyl tape Drain hose Vinyl tape(wide) Service Manual 23 Tighten the flare nut with vinyl tape. 3. Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Indoor unit installation Hook...
Service Manual
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... tape(narrow) Wrap with vinyl tape. 3. Press the lower left and right. 3. Remove the spacer. 2. Piping for passage through piping hole Connecting cable Drain hose Service Manual 25 Bind them with vinyl tape so that the hooks are properly seated on the installation plate by moving it left and right sides of...
... tape(narrow) Wrap with vinyl tape. 3. Press the lower left and right. 3. Remove the spacer. 2. Piping for passage through piping hole Connecting cable Drain hose Service Manual 25 Bind them with vinyl tape so that the hooks are properly seated on the installation plate by moving it left and right sides of...
Service Manual
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For left may cause damage to downward slowly. Bad case • Following bending type from right to left piping. Service Manual 27 Good case • Press on the upper side of Piping Installation Information. Follow the instruction below. 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. Service Manual 27 Good case • Press on the upper side of Piping Installation Information. Follow the instruction below. Flaring Work and Connection of clamp and unfold the tubing to the tubing.
Service Manual
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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. 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
Service Manual
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...; Every wire must be connected firmly. • No wire should be allowed to the Outdoor unit. 1. Refix the cover control to 75°C(167°F). 3. Service Manual 31 Connecting cable(Low voltage) Connect the wires to the terminals on the control board individually as the following. 2. Remove the cover control from the...
...; Every wire must be connected firmly. • No wire should be allowed to the Outdoor unit. 1. Refix the cover control to 75°C(167°F). 3. Service Manual 31 Connecting cable(Low voltage) Connect the wires to the terminals on the control board individually as the following. 2. Remove the cover control from the...
Service Manual
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.... • Grasp the lower left and right side of the Grille and engage four tabs on the control board individually according to the indoor unit 1. Service Manual 33 Main power source Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse. Model 36k Power source Fuse or breaker Capacity 1Ø, 230...
.... • Grasp the lower left and right side of the Grille and engage four tabs on the control board individually according to the indoor unit 1. Service Manual 33 Main power source Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse. Model 36k Power source Fuse or breaker Capacity 1Ø, 230...
Service Manual
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... Outdoor unit is installed below the indoor unit perform the following . 1. Secure the taped piping along the exterior wall using saddle or equivalent. Trap Trap Service Manual 35 Secure the tapped piping along the exterior wall. Secure the drain hose appropriately. Seal a small opening around the pipings with two kinds of vinyl...
... Outdoor unit is installed below the indoor unit perform the following . 1. Secure the taped piping along the exterior wall using saddle or equivalent. Trap Trap Service Manual 35 Secure the tapped piping along the exterior wall. Secure the drain hose appropriately. Seal a small opening around the pipings with two kinds of vinyl...
Service Manual
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.... 5. NOTICE : Repeat evacuation procedure for evacuation. The following table shows the time required for each indoor unit. Finishing the job 1. With a service valve wrench, turn the valve stem of liquid side valve counter-clockwise to fully open the valve. 3. Replace the flare nut and its bonnet on... fasten the flare nut securely with a vacuum pump. The air conditioner is open. Manifold valve Pressure gauge Lo Hi Open Close Vacuum pump Service Manual 37 The operation time for test running. or more 15 min. When the desired vacuum is reached, close the "Lo" knob of the...
.... 5. NOTICE : Repeat evacuation procedure for evacuation. The following table shows the time required for each indoor unit. Finishing the job 1. With a service valve wrench, turn the valve stem of liquid side valve counter-clockwise to fully open the valve. 3. Replace the flare nut and its bonnet on... fasten the flare nut securely with a vacuum pump. The air conditioner is open. Manifold valve Pressure gauge Lo Hi Open Close Vacuum pump Service Manual 37 The operation time for test running. or more 15 min. When the desired vacuum is reached, close the "Lo" knob of the...