LG LMN090HE Service Manual
LG LMN090HE Manual
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- LG LMN090HE | Service Manual - Page 1
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) - LG LMN090HE | Service Manual - Page 2
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 - LG LMN090HE | Service Manual - Page 3
Electrical Ratings 3: 1Ø, 208~230V, 60Hz Nominal Cooling Capacity in Btu/h Ex) 24,000 Btu/h '24', 36,000 Btu/h '36' 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 - LG LMN090HE | Service Manual - Page 4
Model Number Nomenclature Combination table Operation 1 UNIT 2 UNIT 3 UNIT Manual This symbol alerts you to the risk of electric shock. NOTICE This symbol alerts you to hazards that could cause harm to the air conditioner. This symbol indicates special notes. 4 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 5
Always install a dedicated cir- Use the correctly rated break- of control box securely. cuit and breaker. er or fuse. • There is risk of fire or electric shock. • Improper wiring or installation may • There is risk of fire or electric cause fire or electric shock shock. Service Manual 5 - LG LMN090HE | Service Manual - Page 6
shock, explosion, or injury. Do not install the product on a Be sure the installation area defective installation stand. does not deteriorate with age. • It may cause injury, accident, or damage to the product. • If the base collapses, the air conditioner could fall with it, causing property - LG LMN090HE | Service Manual - Page 7
the power cable. • There is risk of fire and electric shock. Do not allow water to run into electric parts. • It may cause There is risk of fire, failure of the product, or electric shock. Do not store . • There is risk of property damage, failure of product, or electric shock. Service Manual 7 - LG LMN090HE | Service Manual - Page 8
an Authorized Service Center. installation or repair of product. water is drained away properly. installing the product. • Low refrigerant levels may cause • A bad connection may cause water • To avoid vibration or water leak- failure of product. leakage. age. 90° 8 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 9
solvents, etc. Do not touch the metal parts of the product when removing the air filter. They are very sharp! • It may cause product failure. • There is risk of fire, electric shock, or damage to the plastic parts of the product. • There is risk of personal injury. Wax Thinner Service Manual 9 - LG LMN090HE | Service Manual - Page 10
air conditioner and could cause product malfunction or damage. • There are sharp and moving parts the all batteries in the remote control with new ones of the remote if the batteries have leaked. • The chemicals in batteries could cause burns or other health hazards. 10 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 11
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 - LG LMN090HE | Service Manual - Page 12
L5 L9 L7 L6 L8 DIM W H D L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 MODEL mm mm mm mm mm mm mm mm mm mm mm mm mm mm 12 Multi type Air Conditioner Gas side 3-way valve Liquid side 2-way valve UE2 36k 870 1038 320 360 340 25 1035 - LG LMN090HE | Service Manual - Page 13
Type Nominal Cooling Capacity 5 Model Nominal Heating Capacity 5 Air Circulation H/M/L Setting temperature range(cool/heat) Fan motor Output Model Input Running Current Fan Type No. Used / Diameter Noise Level (Sound Press,1m) H/M/L Temperature controller Coil Tube Size (OD) Fins - LG LMN090HE | Service Manual - Page 14
Number of Connectable Indoor Units Compressor Type (Constant) Model model name) Refrigerant charge Charge g(oz) Type Control Coil Tube Size (OD) inch(mm) Fins per inch No. of Rows & Column/No. Fan motor Model without notification. 14 Multi type Air Conditioner A3UH363FA0(LMU360HE) 9, - LG LMN090HE | Service Manual - Page 15
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 - LG LMN090HE | Service Manual - Page 16
air and sound from the air conditioner do not disturb neighbors. Rooftop Installations: If the outdoor unit is installed on a roof structure, be sure to level the unit. Ensure the roof structure and anchoring method are adequate for the unit location. Consult local codes 16 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 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 standard length and maximum allowance length is on the basis of reliability. Oil trap should be installed every 5~7 meters (16.4~23.0ft). Service Manual 17 - LG LMN090HE | Service Manual - Page 18
It is also important to use caution concerning the location of the installation plate-routing of the wiring to power outlets is through the walls typically 105 59 105 SE 65 110 85 110 D Installation plate B C Ø70mm Left rear piping A Ø70mm Right rear piping 18 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 19
work for Installation (Artcool Type Only) Open panel front 1. First, push the front panel backward and lift it up to remove the two screws. 2. The moment of lifting the both lower parts of Pipe hole Adhesive Only one desiring direction Connecting part Drain hose rubber cap Service Manual 19 - LG LMN090HE | Service Manual - Page 20
INSTALLATION GUIDE MAP Hanger hole (Rear side of product) 5. Check the fixed product with light power. In case of nothing wrong in the matter, connect the pipe and the wire. (Installation manual INSTALLATION GUIDE MAP Indoor WALL Outdoor 5-7mm (0.2~0.3") 20 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 21
in the table above. 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 - LG LMN090HE | Service Manual - Page 22
Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic tubing retainer(see the illustration . *Foamed polyethylene or equivalent is recommended. 22 Multi type Air Conditioner Drain hose Drain hose Tape Connecting pipe Drain hose - LG LMN090HE | Service Manual - Page 23
Ø9.52 3/8 Torque kg.m 1.8 4.2 3. When extending the drain hose at the indoor unit, install the drain pipe. Wrap the insulation material around the connecting portion. 1. Overlap the connection pipe insulation (narrow) Pipe Wrap with vinyl tape Drain hose Vinyl tape(wide) Service Manual 23 - LG LMN090HE | Service Manual - Page 24
diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Torque kg.m 1.8 4.2 3. When extending the drain hose at the indoor unit, install the drain pipe. 24 Multi type Air Conditioner Indoor unit Installation plate 8cm Spacer Indoor unit tubing Flare nut Pipes Wrench Indoor unit tubing Open-end wrench - LG LMN090HE | Service Manual - Page 25
properly seated on the installation plate by moving it left and right. 3. Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots(clicking sound). Piping for passage through piping hole Connecting cable Drain hose Service Manual 25 - LG LMN090HE | Service Manual - Page 26
the side cover assembly exactly, Fix power cord in the bottom groove of cover side left. 2. Assemble connecting lead wire with controller and first fix the upper part of panel front, then match the lower part of panel front Panel Front Connector 3. Drive two screws. 26 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 27
Flaring Work and Connection of Piping Installation Information. For left piping. Follow the instruction below. Good case • Press on the upper side of clamp and unfold the tubing to downward slowly. Bad case • Following bending type from right to left may cause damage to the tubing. Service Manual 27 - LG LMN090HE | Service Manual - Page 28
back into position. • Do not use rechargeable batteries, such batteries differ from standard dry cells in shape, dimensions, and performance. • Romove the batteries from the remote controller if the air conditioner is not going to be used for some long time. 28 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 29
arrow on the wrench. 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 - LG LMN090HE | Service Manual - Page 30
without notice. When installing, refer to the codes by referring to the wiring diagram. RECOMMAND: Provide a circuit breaker between power source and the outdoor unit as shown below. Main power source Air Conditioner control box panel by using tie wrap as the fixture. 30 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 31
control from the unit by loosening the screw. Connecting cable(Low voltage) Connect the wires to the terminals on the control board individually as the following. 2. Secure the cable onto the control board with the holder (clamper). 3. Refix the cover control control local codes while - LG LMN090HE | Service Manual - Page 32
230/208V) (connecting cable) When connecting each power wire to the corresponding terminal, follow instructions "How to connect wiring to the terminals" and fasten the wire tightly with the fixing screw screw Low voltage Fastening the wire tightly Connecting cable 32 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 33
Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse. Model 36k Power source Fuse or breaker Capacity 1Ø, 230/208V 40A Connect the cable to the indoor unit 1. Connect the wires to the terminals on the control the chassis until it will be back into place. Service Manual 33 - LG LMN090HE | Service Manual - Page 34
1. The drain hose should point downward for easy drain flow. 2. Do not make drain piping. Downward slope Do not raise Accumulated drain water Air Water leakage Water leakage Waving Tip of drain hose dipped in water Water leakage Ditch Less than 50mm gap 34 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 35
supply cord • Trap is required to prevent water from entering into electrical parts. In cases where the Outdoor unit is installed above the Indoor unit perform the following. 1. Tape the piping and connecting a small opening around the pipings with gum type sealer. Trap Trap Service Manual 35 - LG LMN090HE | Service Manual - Page 36
capillary tubing. 5. Water may lead to corrosion of parts in the refrigeration system. Therefore, the indoor/outdoor unit joints of the tubing(both indoor and outdoor) and both gas and liquid side service valves. Bubbles indicate a leak. Be sure to wipe off the soap with Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 37
gas and liquid side service valves and fasten them tight. This completes air purging with a vacuum pump. The air conditioner is now ready for test running. NOTICE : Repeat evacuation procedure for each indoor unit. Manifold valve Pressure gauge Lo Hi Open Close Vacuum pump Service Manual 37 - LG LMN090HE | Service Manual - Page 38
. Any time total line set is used either shorter or longer then the nominal 22.5m(75ft: for tri-zone) line set length the refrigerant charge has to be adjusted. s Whether the line set is made shorter or line sets longer or shorter than 7.5m(25ft) for each indoor unit. 38 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 39
. 2. Check that the gas and liquid side service valves are fully open. 1) Prepare remote controller Remove the battery cover by pulling it according to the arrow direction. Insert new batteries making sure that the (+) and (-) of battery are installed correctly. Reattach the cover by pushing it back - LG LMN090HE | Service Manual - Page 40
input by the remote control is received, the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature. 26°C(78.8°F) ≤ Intake Air Temp ➲ 25°C( speed. When the indoor pipe temp is between 20°C(68°F) and 40 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 41
, the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule. • While in Fuzzy operation, the airflow speed of the indoor fan is automatically selected according to the temper- ature. Service Manual 41 - LG LMN090HE | Service Manual - Page 42
according to the temperature. s Off-Timer Operation • When the set time is reached after the time is input by the remote control, the appliance stops operating. • The timer LED is on when the off-timer is input. It is off when the time set by the timer is reached. 42 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 43
on/off time is input by the remote control, the on/off-timer operation is > is input by the remote control while in appliance operation, mode operation, the room temperature is controlled to the setting temperature, 18°C(64.4°F). then operated in order that the air outflow could reach further. s Auto - LG LMN090HE | Service Manual - Page 44
➲ Heating Mode Operation, 24°C(75.2°F), High Speed s Buzzer Sounding Operation • When the appliance-operation key is input by the remote control, the short "beep-beep-" sounds. • When the appliance-pause key is input by the remote control, the long "beep-" sounds. 44 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 45
Both the indoor and outdoor fan stops during deicing. • Hot start after deice ends. Hot-start Control (Heating) • The indoor fan stops until the evaporator piping temperature will be reached at 27°C(80.6°F). "Wall Mounted Type is standard" * Functions is dependent on model type. Service Manual 45 - LG LMN090HE | Service Manual - Page 46
while it is operating with selecting the function. Defrost(Deice) control (Heating) • Both the indoor and outdoor fan stops during defrosting. Hot-start Control (Heating) • The indoor fan stops until the evaporator pipe temperature will be reached at 28°C(82.4°F). 46 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 47
number,Temp gap between room temp and set temp and so on. LEV Control • LEV pulse is modulated to keep constant superheat or subcooling. Out door Fan Control • Outdoor fan operates at High or Off to respond to the load condition. R/Valve Control(Heating Model Only) • Service Manual 47 - LG LMN090HE | Service Manual - Page 48
AUTO CLEAN Used to set Auto Clean mode. 17 ˚C TO ˚F SWITCHING BUTTON Used to switch temperature reading from Centigrade to Fahrenheit. 18 HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON (NOT ON ALL MODELS) Used to set the desired horizontal airflow direction. 48 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 49
"OFF". To remove the Grille from the Chassis. • Set the up-and-down air discharge louver to open position (horizontally) by finger pressure. • Remove the securing screws. removing the control box, be sure to take out the wire screwed at the other end. Disassembly Earth Conductor Service Manual 49 - LG LMN090HE | Service Manual - Page 50
Box. • Remove securing screws. • Pull the control box out from the chassis carefully. 3. To remove the Discharge Grille. • Unhook the discharge grille and pull the discharge left 2EA in the Eva Holder, at the right 1EA). • When repair, do not damage the Caution label. 50 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 51
from the cross-flow fan. • Remove the left end of the cross-flow fan from the self-aligning bearing. Motor cover Bearing Cross-flow fan Service Manual 51 - LG LMN090HE | Service Manual - Page 52
disconnect other wires. - Remove securing screws. - Pull the control box out from the chassis carefully. Panel Front Connector Step Motor Connectors Sensor Connector 4Way/Fan Connector Comp Connector Power Connector Power Connector Comp Connector Motor Connector 52 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 53
Cover Air Guide 5) To remove the Motor. - Remove the securing bolt from the motor shaft. - Pull the fan out from the motor shaft. - Remove 4 screws securing motor mount from the chassis and lift up the motor mount and the bracket. Pipe Cover Turbo Fan Bracket Bolt Motor Mount Service Manual - LG LMN090HE | Service Manual - Page 54
Schematic Diagram Schematic Diagram Electronic Control Device 1. Indoor Unit 1) Split Type 54 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 55
Service Manual 55 Schematic Diagram STEPPING MOTOR SUB PCB ASM STEPPING MOTOR STEPPING MOTOR LED2 SLEEP LED3 TIMER LED4 DEFROST LED1 ON/OFF 4(f) a 11 3(a) 22 b f 1(g) 33 g 9(b) 4 4 6(d) c e 55 7(e) 66 8(c) d 77 - LG LMN090HE | Service Manual - Page 56
Schematic Diagram 2. Outdoor Unit 56 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 57
Schematic Diagram Service Manual 57 - LG LMN090HE | Service Manual - Page 58
Schematic Diagram Wiring Diagram 1. Room Type Indoor Unit -S4/SE chassis 2. Art Cool Type Indoor Unit 3. Outdoor Unit 1. A3UH363FA0(LMU360HE) 2. A3UC363FA0(LMU360CE) 58 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 59
Components Locations 1. Indoor Unit MAIN P.C.B ASM 1) Split Type • TOP VIEW Schematic Diagram PCB :6870A90409B ASSY :6871A20771 6871A20782 • BOTTOM VIEW Service Manual 59 - LG LMN090HE | Service Manual - Page 60
Schematic Diagram 2) Art Cool Type • TOP VIEW • BOTTOM VIEW 60 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 61
2. Display ASSEMBLY 1) Split Type (6871A20680) 2) Art Cool Type (6871A20462) TOP VIEW BOTTOM VIEW Schematic Diagram Service Manual 61 - LG LMN090HE | Service Manual - Page 62
Schematic Diagram 3. Outdoor Unit 1) Component side 62 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 63
2) Solder side Schematic Diagram Service Manual 63 - LG LMN090HE | Service Manual - Page 64
Troubleshooting Guide Troubleshooting Guide Refrigeration Cycle Diagram 1. A3UH363FA0(LMU360HE) Field Piping Gas Ø9.52 Room C Ø9. thermistor Th2: Discharge thermistor Th3: Outdoor temperature thermistor Th4: Defrost thermistor 64 Multi type Air Conditioner LEV-C LEV-B LEV-A Heat Exchanger Th4 - LG LMN090HE | Service Manual - Page 65
the highest trouble fo error code is expressed. • After error occurrence, if error is released, error LED is also released simultaneously. • To operate again on the occurrence of error code, be sure to turn off the power and then turn on. • Having or not of error code is different from Model. LED1 - LG LMN090HE | Service Manual - Page 66
Troubleshooting Guide Cycle Troubleshooting Guide Trouble analysis 1. Check temperature difference between intake and discharge air, and operating current. Temp. Difference Operating Current Temp. difference to the low pressure tubing and wrap it with putty. 66 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 67
Electronic Parts Troubleshooting Guide ❇ Refer to electronic contorol device drawing & schematic diagram. Trouble 1 The Product doesn't operate at all. Troubleshooting Guide Turn off the . 2) Replace power transfomer. 3) Replace IC01D. 4) Replace IC02D. 5) Replace IC01A. Service Manual 67 - LG LMN090HE | Service Manual - Page 68
Troubleshooting Guide Trouble 2 Product doesn't operate with the remote controller. Turn on main power. While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. When - LG LMN090HE | Service Manual - Page 69
Troubleshooting Guide Trouble 3 The Compressor/Outdoor Fan are don't operate Turn on the main power. Operate Cooling Mode by setting the disired temperature of the remote controller is less than one of the Indoor temperature by 1°C at least. When in air between Indoor and Outdoor. Service Manual 69 - LG LMN090HE | Service Manual - Page 70
Troubleshooting Guide Trouble 4 When indoor Fan does not operate. When indoor Fan does not operate. Does the voltage of each terminals of CN-MOTOR is to be stopped when Indoor pipe(coil) termperature is lower than 79°F. (At that times, Defrost indicator is turned on) 70 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 71
Troubleshooting Guide Trouble 5 When the louver does not operate. of IC01M - Between 1 , 2 , 3 , 4 and 5 of CN-UP/DOWN If there are no problems after above checks • Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver Service Manual 71 - LG LMN090HE | Service Manual - Page 72
Troubleshooting Guide Error Code s Trouble Shooting Error code Title 01 Indoor air sensor 02 Indoor inlet pipe sensor 06 Indoor outlet pipe sensor Cause of error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error • Open / - LG LMN090HE | Service Manual - Page 73
Error code Title 05 / 53 Communication (Indoor ➔ Outdoor) Troubleshooting Guide Cause of error Check point & Normal condition • Power input , outdoor PCB is no problem. ➔ Check the another indoor unit. * CH05 is displayed at indoor unit, CH53 is displayed at outdoor unit. Service Manual 73 - LG LMN090HE | Service Manual - Page 74
Troubleshooting Guide Error code Title 33 D-Pipe Temp. High Cause of error • Discharge sensor temp. high Check point & Normal condition • Check the discharge pipe sensor. • Check the install In the tropical model case ➔ single cycle has no error for over capacity. 74 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 75
Error code Title 44 Outdoor air sensor 45 Condensor pipe sensor 47 D-Pipe sensor Troubleshooting Guide Cause of error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error • Open / Short • Soldered poorly • Internal circuit error - LG LMN090HE | Service Manual - Page 76
) Open (with valve cap) Closed (clockwise) Open Open Open Open 76 Multi type Air Conditioner Shaft position Closed (with valve cap) Closed (clockwise) Open (with valve cap) Open (counter-clockwise) Open Open Open Open Service port Closed (with cap) Open (push-pin or with vacuum pump) Closed - LG LMN090HE | Service Manual - Page 77
4. Air purging of the charge hose. - Open the Low-handle valve on the gauge slightly to air purge from the hose. 5. Set the liquid side valve to the closed position. • Be sure to short pressure S/W. otherwise Low pressure S/W detect low pressure skete and stops the compressor. Service Manual 77 - LG LMN090HE | Service Manual - Page 78
opened position. 2. Connect the vaccum pump to the center hose of the manifold gauge. 3. Connect the service port of the gas side valve to the low side of the gauge. 4. Evacuation for approximately one as needed. 7. Mount the valve caps and the service port caps. 78 Multi type Air Conditioner - LG LMN090HE | Service Manual - Page 79
while operating the air conditioner turn off the air conditioner before disconnecting the hose. 5. Mount the valve stem nuts and the service port nut. - Use torque wrench to tighten the service port nut to a torque of 1.8 kg.m.(4.2kg.m/5.5kg.m.) - Be sure to check for gas leakage. Service Manual 79 - LG LMN090HE | Service Manual - Page 80
View & Replacement Parts List Exploded View & Replacement Parts List Indoor Unit S4, SE chassis 135311 152302-1 152302-2 135301 135312 354210 152313 342800 131410 359011 733010 159901 268712 147582 35211B 352150 135500 346810 135516 267110 80 Multi type Air Conditioner 146811 249951 - LG LMN090HE | Service Manual - Page 81
REMOTE CONTROLLER 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 - LG LMN090HE | Service Manual - Page 82
Exploded View & Replacement Parts List SP3 Chassis Art Cool Type 82 Multi type Air Conditioner 267110 135312 135314 249951 354210 135515 268717-1 268717-2 146811 268714 330870 135500-3 146811 147581 35211B 352150 263230-2 263230-1 131410 159830 268712 352380 135500-2 359012 349600 - LG LMN090HE | Service Manual - Page 83
PIPE) 6323AQ3226T 6323AQ3226T 6323AQ3226T 6323AQ3226T R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20128F 6711A20083R 6711A20128F 6711A20083R R 330870 ) *Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Service Manual 83 - LG LMN090HE | Service Manual - Page 84
Exploded View & Replacement Parts List Outdoor Unit A3UH363FA0(LMU360HE), A3UC363FA0(LMU360CE) 84 Multi type Air Conditioner 552117 552116 552113 552112 554031 137213-1 135314 137213-2 435512 548490 437211 135301 559010 546810 649950 263230-2 263230-1 W0CZZ-1 W0CZZ-2 668711-2 447910 - LG LMN090HE | Service Manual - Page 85
,CONTROL( CODE R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R NOTE) *Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) Solenoid(Coil Assembly, Reverse) is only for heat pump model. Service Manual - LG LMN090HE | Service Manual - Page 86
P/No.: 3828A20474C May, 2006 Printed in Korea
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LG
Multi Type Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL
• Indoor Unit:
• Outdoor Unit: A3UH363FA0(LMU360HE)
A3UC363FA0(LMU360CE)
Room Type
AMNH093D4A0(LMN090HE)
AMNC093D4A0(LMN090CE)
AMNH123DEA0(LMN120HE)
AMNC123DEA0(LMN120CE)
AMNH093APM0(LMAN090HNS)
AMNC093APM0(LMAN090CNS)
AMNH123APM0(LMAN120HNS)
AMNC123APM0(LMAN120CNS)
Art Cool Type