LG LS-J0761NL Service Manual
LG LS-J0761NL Service Manual

LG LS-J0761NL Service Manual

Room air conditioner
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Room Air Conditioner

SERVICE MANUAL

MODEL : LS-J0761NL/NM/NN
LS-J0962NL/NM/NN/YL
LS-L1261NL/NM/NN
LS-K1860NL/NM/NN/YL
LS-K1861YL
LS-K18612L
CAUTION
-BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
-ONLY FOR AUTHORIZED SERVICE PERSONNEL.
http://www.LGEservice.com/techsup.html

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Summary of Contents for LG LS-J0761NL

  • Page 1: Room Air Conditioner

    WEBSITE http://biz.LGservice.com E-MAIL http://www.LGEservice.com/techsup.html Room Air Conditioner SERVICE MANUAL MODEL : LS-J0761NL/NM/NN LS-J0962NL/NM/NN/YL LS-L1261NL/NM/NN LS-K1860NL/NM/NN/YL LS-K1861YL LS-K18612L CAUTION -BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -ONLY FOR AUTHORIZED SERVICE PERSONNEL.
  • Page 2: Table Of Contents

    Contents Functions ..........................3 Product Specification (Cooling & Heating) ................6 Dimensions ..........................7 Refrigeration Cycle Diagram ....................9 Wiring Diagram ........................10 Operation Details ........................12 Installation ..........................27 Operation ..........................41 Disassembly of the parts (Indoor Unit) ................43 2-way, 3-way Valve .........................
  • Page 3: Functions

    Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the Room Temperature • Room temperature sensor. (Thermistor) • Pipe temperature sensor. (Thermistor) Room temperature control • Maintain the room temperature in accordance with the Setting Temp. Starting the Current Control •...
  • Page 4: Outdoor Unit

    Outdoor Unit Power relay control • If power is on, it will operate to chage capacitor (330µF/450WV) on controller and power relay will oper- ate after about 2~5sec. Stand by control at low temp. • If outdoor temp. is below 0°C, preheater is operating for 1~5min. •...
  • Page 5: Remote Controller

    Remote Controller Operation ON/OFF Operation Mode Selection Cooling Operation Mode.( Auto Operation Mode.( (Heating Healthy Dehumidification Operation Mode.( Heating Operation Mode.( model only) Fan Speed Selection (Low) (Med) (High) (CHAOS) Room, Temperature Display : (High: 30°C LOW : 18°C) Temperature Setting HIGH TEMPERATURE Down to 18°C...
  • Page 6: Product Specification (Cooling & Heating)

    Product Specifications (Cooling & Heating) 18K Series Model Name 7K Series 9K Series 12K Series LS-K1861YL LS-K181N-1 LS-K1860NL/YL LS-K18612L Item Unit at 230V at 230V at 230V at 230V Cooling Capacity Btu/h 7,000(4,700-8,300) 9,000(5,200-9,700) 12,000(7,500-13,200) 18,000(11,000-19,800) 17,500(11,000-19,800) Heating Capacity 9,000(5,000-10,000) 11,250(4,600-12,500) 14,400(8,300-15,900) 27,700(12,800-22,770) 19,700(12,800-22,770) Moisture Removal Power Source Ø, V, Hz...
  • Page 7: Dimensions

    Dimensions (1) Indoor Unit (7k, 9k, 12k, 18k ) Tubing hole cover Tubing hole cover Tubing hole cover Tubing hole cover Installation plate Installation plate Installation plate ( 7k, 9k ) ( 12k ) ( 18k ) Left rear piping Right rear piping Left rear piping Right rear piping...
  • Page 8 (2) Outdoor Unit Liquid side 2-way valve Gas side 3-way valve MODEL 7k, 9k, 12k Btu/h Series 18k Btu/h Series unit 543.6 11.4 72.5 86.4 74.5...
  • Page 9: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram INDOOR UNIT OUTDOOR UNIT LIQUID SIDE CAPILLARY TUBE 2-WAY VALVE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) GAS SIDE REVERSING 3-WAY VALVE ACCUMU VALVE LATOR (Heating Model Only) COOLING COMPRESSOR HEATING MAX. Pipe size(Diameter:Ø) MODEL Piping length Elevation Gas(inch) Liquid(inch) 7k, 9k Btu SERIES...
  • Page 10: Wiring Diagram

    Wiring Diagram (1) Indoor Unit LS-_NL Series (7, 9, 12K Btu) LS-_NM/NN Series (7, 9, 12K Btu) RY-POWER RY-POWER CN-DISP1 TERMINAL BLOCK DISPLAY PCB ASM P/NO:3854A20080A P/NO:3854A90014E LS-_NL/NM/NN Series (18K Btu) LS-K18612L STEP MOTOR H.V.B A/CL RY-POWER BK BK LIMIT OPTION P/NO:3854A20080P -10-...
  • Page 11: Outdoor Wiring Diagram

    (2) Outdoor Unit LS-_NL/NM/NN Series (7, 9, 12K Btu) CN-COMP CN-TH1 CN-OLP CN-4WAY1 CN-HEAT COMP GN/YL OR YL BL BK RD BL YL CN-AC CN-UVW IGB T CN-DC CN-DC C/COIL HIGH 4WAY HEAT CAPACITOR SUB PWB MAIN PWB ASM NOISE CN-AC FILTER CN-POWER...
  • Page 12: Operation Details

    Operation Details 1. LED display of indoor unit LS-_NL Series • On while in appliance operation, off while in appliance pause. Operation Indicator • Blinking(3sec off/0.5sec on) according to Error Code as long as the system mal- functions. • On while in sleep timer mode, off when sleep timer cancel or appliance operation Sleep Timer Indicator pause.
  • Page 13: Heat Mode Operation

    How to operate the power display (LS-_NL Series) • It must be displayed the power level that will be operating frequency of compressor. • It indicates power levels that compressor operating frequency is controlled to depend on indoor and outdoor conditions.
  • Page 14 2. Protection of the evaporator pipe from frosting • If the indoor pipe temperaure is below 0°C in 7 min. after the compressor operates without pause while in cooling cycle operation mode, compressor, outdoor fan are turned off. • When indoor pipe temp. is 7°C or higher after 2 min pause of compressor compressor, outdoor fan is turned on according to the condition of the room temperature.
  • Page 15: The Targeting Operating Freq. Of Comp. Each Model

    4. Cooling mode operation • Operating frequency of compressor depend on the difference of the temperature. (= intake air Temp.- Compressor off Temp. • Compressor off temp.= setting temp. -0.5°C on temp. = setting temp. +0.5°C • If compressor operates at some operating frequency, the operating frequency of compressor cannot be changed within 30 seconds.
  • Page 16 5. Healthy Dehumidification mode operation • When the dehumidification operation is set by the remote controller the intake air temperature is detected and the setting temp. is automatically set according to the intake air temperature. Temp. differences Comp. Operating frequency 32°C intake air temp.
  • Page 17: The Targeting Operating Freq. Of Comp. Each Model

    6. Heating mode operation • Operating frequency of compressor depend on the difference of the temperature (= compressor off temp. - intake air temp.) • Compressor off temp. = setting temp.+3.0°C on temp. = setting temp. • If compressor operates at some operation frequency, the operating frequency of compressor cannot be changed within 30 seconds.
  • Page 18 7. Fuzzy mode operation • When any of operation mode is not selected like the moment of the power on or when the unit turned off, the operation mode is selected. • When determining the operation mode, the compressor, outdoor fan are off and only the indoor fan is operat- ed for 15seconds, then an operation mode is selected according to.
  • Page 19 7.2 Fuzzy operation for Heating • According to the setting temperature selected by Fuzzy rule, the operating frequency of compressor is deter- mined like heating mode operation. • At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the intake air temperature at that time.
  • Page 20: Swing Mode

    8. Jet cool mode operation • While in heating mode or Fuzzy operation, the Jet Cool key cannot be input. When it is input while in the other mode operation(cooling, dehumidification, ventilation), the Jet Cool mode is operated. • In the Jet Cool mode, the indoor fan is operated super-high speed for 30 min. at cooling mode operation. •...
  • Page 21 9.2 Auto swing of Fuzzy mode operation • While in Fuzzy mode operation, Chaos swing is operated according to 1/f fluctuation. 1/f fluctuation MODE17 (Closed) MODE16 MODE15 MODE14 MODE13 MODE12 MODE11 MODE00 MODE10 (Open) MODE01 MODE09 MODE02 MODE08 MODE03 MODE07 MODE05 MODE06 MODE04...
  • Page 22: Sleep Timer Operation

    10. Sleep timer operation • When the sleep time is reached after [1,2,3,4,5,6,7hr] is input by the remote control during the operation, the operation of the appliance stops. • When the appliance is on pause, the sleep timer mode cannot be input. 10.1 Sleep timer operation for cooling cycle •...
  • Page 23: Forced Operation

    11. Auto restarting operation • When the power is restarted after a sudden power failure while in appliance operation, the mode before the power failure is kept on the memory and the appliance automatically operates in the mode on the memory. •...
  • Page 24: Power Relay Control

    13. Power relay control • Power relay turns on 1 second later after the power is input to the outdoor unit. • Control sequence : power on PTC operating power relay on 14. Protection from total current control CT1 control •...
  • Page 25: Portection From Overheating Of Power Module

    16. Portection from overheating of power module • If the temperature of the heat sink TH. reaches over Toff, the Compressor stop instantly. • It will be limited the compressor operating frequency according to the heat sink TH.(refer to below FIG.) •...
  • Page 26 18 . Defrosting control • While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing, reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit. • Defrosting control is available 50 minutes later since heating cycle started and the pipe temperature of out- door unit reaches below -6°C.
  • Page 27: Installation

    Installation 1. Installation of indoor, Outdoor unit 1) Select the best location * Both gas and liquid interconnecting pipes must be insulated as a pair, but it is not necessary to individu- 1. Indoor unit ally insulate them. Do not have any heat or steam near the unit. Select a place where there are no obstacles in 2) Piping length and elevation front of the unit.
  • Page 28 3) How to fix installation plate 12k Btu The wall you select should be strong and solid enough to prevent Left rear piping Right rear piping vibration 1. Mount the installation plate on the wall with four A,B,C type A screws. If mounting the unit on a concrete wall, use anchor bolts.
  • Page 29: Flaring Work And Connection Of Piping

    2. Flaring work and connection of piping 4. Flaring work 1) Flaring work Carry out flaring work using flaring tool as shown Main cause for gas leakage is due to defect in flar- below. ing work. Carry out correct flaring work in the fol- lowing procedure.
  • Page 30 2) Connection of piping-Indoor 3. Tape the tubing, drain hose and the connecting cable. Be sure that the drain hose is located at the Preparing the indoor unit's piping and drain hose lowest side of the bundle. Locating at the upper for installation through the wall.
  • Page 31 Wrap the area which accommodates the rear pip- Tighten the flare nut with a wrench. ing housing section with vinyl tape. Indoor Connection unit pipe Spanner (fixed) pipe Vinyl tape Wrap with vinyl tape Flare nut (wide) Connection pipe Torque wrench Connecting cable Indoor unit tubing Pipe...
  • Page 32 3. Insert the connecting cable into the indoor unit. Pipe Size[Torque] Capacity Don't connect the cable to the indoor unit. (Btu/h) LIQUID Make a small loop with the cable for easy con- 3/8"[4.2kg . m] 1/4"[1.8kg . m] 7k, 9k nection later.
  • Page 33 Bundle the piping and drain hose together by 3) Connection of the pipes-Outdoor wrapping them with cloth tape over the range 1. Align the center of the pipings and sufficiently within which they fit into the rear piping housing tighten the flare nut by hand. section.
  • Page 34: Connecting The Cable Between Indoor Unit And Outdoor Unit

    3. Connecting the Cable Between Indoor Unit and Outdoor Unit 1) Connect the cable to the Indoor unit. CAUTION Connect the cable to the indoor unit by connect- ing the wires to the terminals on the control board individually according to the outdoor unit connec- The power cord connected to the indoor unit tion.
  • Page 35 2) Connect the cable to the outdoor unit Outdoor Unit Terminal block 1. Remove the control cover from the unit by loos- (Pillar terminal) ening the screw. Over 5mm Connect the wires to the terminals on the control board individually. Holder for connecting 2.
  • Page 36 3) How to connect between Indoor unit and Outdoor unit Connecting cable AC220v ~ 240V/50Hz To OUTDOOR PCB ASS'Y To relay pin3 To CN-POWER (RY-PWR) of INDOOR PCB ASS'Y To relay pin4 (RY-PWR) Note 1) The earth line must connect to protect noise of EMI, EMS . 2) If it is not connect the earth line, It may occur safety problems.
  • Page 37: Checking The Drainage And Forming The Pipings

    4. Checking the Drainage and Forming the Pipings 1) Checking the drainage 2) Form the piping 1. To remove the front panel from the indoor unit, 1. Form the piping by wrapping the connecting por- remove the front panel from the indoor unit cabi- tion of the indoor unit with insulation material and net.
  • Page 38: Air Purging

    5. Air Purging 1) Air purging Do a leak test of all joints of the tubing(both indoor and outdoor) and both gas and liquid side Air and moisture remaining in the refrigerant system service valves. have undesirable effects as indicated below. Bubbles indicate a leak.
  • Page 39 Soap water method Control (1) Remove the caps from the 2-way and 3-way valves. cover Terminal block (2) Remove the service-port cap from the 3-way valve. (pillar terminal) (3) To open the 2-way valve turn the valve stem counter- clockwise approximately 90°, wait for about 2~3 sec, and close it.
  • Page 40: Test Running

    6. Test Running 1. Check that all tubing and wiring have been properly 3. Ensure the difference between the intake temper- connected. ature and the discharge is more than 8°C (Cool- 2. Check that the gas and liquid side service valves ing) or reversely (Heating).
  • Page 41: Operation

    Operation Name and Function-Remote Control Remote Control Signal transmitter CANCEL PLASMA Heat pump model Cooling model ON/OFF TIMER BUTTONS ROOM TEMPERATURE CHECKING BUTTON Used to set the time of starting and stopping Used to check the room temperature. operation. PLASMA(OPTION) Used to start or stop the plasma-purification TIME SETTING BUTTONS Used to adjust the time.
  • Page 42: Operation Mode

    Name and Function-Remote Control The remote control transmits the signals to the system. START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. Remote Control OPERATION MODE SELECTION BUTTON Used to select the operation mode. ROOM TEMPERATURE SETTING BUTTONS Signal transmitter Used to select the room temperature.
  • Page 43: Disassembly Of The Parts (Indoor Unit)

    Disassembly of the parts (Indoor unit) Warning : Disconnect the unit from power supply before making any checks. Be sure the power switch is set to “OFF”. To remove the Grille from the Chassis. • Set the up-and-down air discharge louver to open position (horizontally) by finger pressure.
  • Page 44 2. To remove the Control Box. • Remove 2 or 4 securing screws. • Pull the control box out from the chassis carefully. 3. To remove the Evaporator. • Remove 3 screws securing the evaporator(at the left 1EA, at the right 2EA). •...
  • Page 45 • Unhook the tab on the right inside of the chassis at the same time, slightly pull the evaporator toward you until the tab is clear of the slot. 4. To remove the Cross-Flow Fan • Loosen the screw securing the cross-flow fan to the fan motor (do not remove).
  • Page 46: 2-Way, 3-Way Valve

    2-way, 3-way Valve 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench (4mm) Open position Flare nut Flare nut Closed position Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works Shaft position...
  • Page 47 1. Air purging The air in the indoor unit and in the piping must be Required tools : hexagonal wrench, adjustable purged. If air remains in the refrigeration pipes, it will wrench, torque wrenches, wrench to affect the compressor, reduce to cooling capacity, and hold the joints, and gas leak could lead to a malfunction.
  • Page 48: Pumping Down

    2. Pumping down Liquid side Indoor unit Outdoor unit Open 2-Way valve Gas side Closed 3-Way valve CLOSE CLOSE Purge the air • Procedure (6) Operate the air conditioner at the cooling (1) Confirm that both the 2-way and 3-way valves cycle and stop it when the gauge indicates are set to the open position.
  • Page 49 1) Re-air purging (Re-installation) Liquid side Indoor unit Closed Outdoor unit 2-Way valve Gas side Closed 3-Way valve Gas cylinder OPEN CLOSE • Procedure – Be sure to use a hexagonal wrench to operate the valve stems. (1) Confirm that both the 2-way valve and the 3- way valve are set to the closed position.
  • Page 50 2) Balance refrigerant of the 2-way, 3-way valves (Gas leakage) Liquid side Indoor unit Outdoor unit 2-Way valve Open Gas side 3-Way valve Open OPEN CLOSE • Procedure (1) Confirm that both the 2-way and 3-way valves are set to the back seat. (2) Connect the charge set to the 3-way valve’s port.
  • Page 51 3. Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit 2-Way valve Open Gas side 3-Way valve Open Vacuum pump OPEN CLOSE • Procedure (1) Connect the vacuum pump to the charge set’s center hose (2) Evacuation for approximately one hour. –...
  • Page 52: Gas Charging

    4. Gas Charging (After Evacuation) Liquid side Indoor unit Outdoor unit Open 2-Way valve Gas side Open 3-Way valve Check valve Charging cylinder OPEN CLOSE • Procedure (1) Connect the charge hose to the charging This is different from previous procedures. cylinder.
  • Page 53: Cycle Troubleshooting Guide

    Cycle Troubleshooting Guide Trouble analysis 1. Check temperature difference between intake and discharge air and operating current. Temp. difference : approx. 0°C • All amount of refrigerant leaked Current : less than 80% of out. Check refrigeration cycle. rated current Temp.
  • Page 54: Self-Diagnosis Function

    Self-diagnosis function 1. The malfunction indicator of indoor (see the operating LED of the INDOOR) Error The cause of malfunction Malfunction indicator The operating state Code Indoor TH. is short or open. The operating LED will be Keep operating state. blinking once.
  • Page 55 Precaution in Service or Check Even after stopping the operation of product, it takes some time to discharge the remaining electricity of the electrolytic capacitor that was charged. Before starting a checking or repairing job, pull out the plug out of the outlet and make sure that the lamp on the control board outdoor unit is off.
  • Page 56: Electronic Parts Troubleshooting Guide

    Electronic Parts Troubleshooting Guide Refer to electronic contorol device drawing & schematic diagram. The Product doesn’t operate at all. Trouble 1 Turn off the main power and wait to 5 seconds Turn on the main power again. Does "Beeping" sound is made from the indoor unit? •...
  • Page 57 Product doesn't operate with the remote controller. Trouble 2 Turn on main power. While the compressor has been stopped, the compressor does not operate owing to the delaying function for 2 minutes after stopped. When the compressor stopped Indoor Fan is driven by a low speed. At this point the wind speed is not controlled by the remote controller.
  • Page 58 The Compressor/Outdoor Fan are unable to drive. Trouble 3 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 circulation mode, compressor/outdoor fan is stopped. Check the sensor for Indoor temperature is attatched as close as to be effected by the themperature of Heat Exchange (EVA.) When the sensor circuit for Indoor temperature and connector are in bad connection or are...
  • Page 59: When Indoor Fan Does Not Operate

    When indoor Fan does not operate. Trouble 4 Turn off main power. Check the connection of CN-FAN. Check the Fan Motor. Check the Fuse(AC250V, T2A). Check the related circuit of indoor Fan Motor. • The pin No.10 of micom and the part for driving SSR. •...
  • Page 60 When the horizontal louver does not operate. Trouble 5 • Confirm that the vertical louver is normally geared with the shaft of Stepping Motor. • If the regular torque is detected when rotating the vertical louver with hands Normal • Check the connecting condition of CN-U/D Connector •...
  • Page 61 The Outdoor Unit does not operate at all. Trouble 6 Does the Operating LED of indoor unit blink Refer to the self-diagnosis function. when Operation's ON? Is the Connection between indoor power Check the connecting state of connector relay Pin and terminal block No.
  • Page 62 When compressor does not operate normally. Trouble 7-1 DC Peak Error(Error Code Does the LED01M of outdoor PCB Ass'y Check the state of connecting cable (3 line) blink 6 times? between indoor and outdoor uint. Is the connecting state of connectors in •...
  • Page 63 When compressor does not oprate normally. Trouble 7-2 Communication error between Indoor and Outdoor (Error Code • Check the state of connecting cable Does the operating LED in display PCB (3 line) bewteen indoor and outdoor unit . Ass'y blink 5 times? •...
  • Page 64 When compressor does not oprate normally. Trouble 7-3 CT Error (Error Code • Check the state of connecting cable Does the operating LED in Display PCB (3 line) bewteen Indoor and Outdoor Unit . Ass'y blink 7 times? • Check fuse, Noise Filter, PTC, etc. Is the courrent transformer(CT) in Main Check the PCB pattern(resoldering) PCB Ass'y right?
  • Page 65 The problem of missing the connector (INDOOR MAIN PCB ASSY) Connectors Condition Problem (error mode) • Malfunctions all indoor & outdoor unit. CN-POWER OPEN • Malfunctions remocon, force, test operation mode. (AC2) • Malfunctions indoor fan motor. CN-FAN OPEN CN-DATA OPEN •...
  • Page 66 The problem of missing the connector (OUTDOOR MAIN PCB ASSY) Condition Problem (error mode) Connectors • Malfunctions outdoor unit. OPEN CN-POWER • Stop compressor and outdoor fan. • The operation LED blinks 5 times. • Malfunctions outdoor unit. CN-AC OPEN •...
  • Page 67: Electronic Control Device

    Electronic Control Device (1) MAIN PCB ASS'Y(INDOOR) PCB ASS'Y SVC PART LIST: 6871A20062P(LS-J0761NL), 6871A20062M(LS-J0962NL) 6871A20062N(LS-L1261NL), 6871A20062Q(LS-L1261NM) -67-...
  • Page 68 PCB ASS'Y SVC PART LIST: 6870A90048B(18K) 6871A10028A(LS-K18612L) -68-...
  • Page 69 (2) MAIN PCB ASS'Y(OUTDOOR) PCB ASS'Y SVC PART LIST : 6871A20068K(7k), 6871A20068H(9k), 6871A20068J (12k) -69-...
  • Page 70 PCB ASS'Y SVC PART LIST : 6870A90053A(18K) 6871A20127B(LS-K18612L) -70-...
  • Page 71 (3) SUB PCB ASS'Y(OUTDOOR) PCB ASS'Y SVC PART LIST : 6871A20013D(7k), 6871A20013C(9k, 12k) PCB ASS'Y SVC PART LIST : 6871A20013D(7k), 6871A20013C(9k, 12k) -71-...
  • Page 72 (4) DISPLAY ASS'Y PCB ASS'Y SVC PART LIST(LS-_NL Series) : 6871A30016A(7k, 9k), 6871A30016B(12k), 6871A30016F(LS-K18612L) PCB ASS'Y SVC PART LIST(LS-_NM/NN Series) : 6871A20099A(7k, 9k, 12k) PCB ASS'Y SVC PART LIST: 6870A90019B(18k) -72-...
  • Page 73: Schematic Diagram

    Schematic Diagram 7k, 9k, 12k Series(Indoor): LS-_NL Series -73-...
  • Page 74 7k, 9k, 12k Series(Indoor): LS-_NM/NN Series -74-...
  • Page 75 18k Series (Indoor) -75-...
  • Page 76 7k, 9k, 12k Series(Outdoor) -76-...
  • Page 77 18k Series(Outdoor) -77-...
  • Page 78: Exploded View And Replacement Parts List

    Exploded View and Replacement Parts List 1. Indoor Unit 266090 346810 733010 W0CZZ 359011 263230 268714 35211B 352150 264110 146811 131410 159901 342800 249951 354212 135311 159830 268712 152302 135316 152313 267110 135314 -78-...
  • Page 79: Parts List

    Parts List Q’TY LOCATION REMARKS DESCRIPTION PART NUMBER LS-J0761NL LS-J0962NL LS-L1261NL LS-K1862NL(YL) LS-K1861YL LS-K18612L 3141A20001 131410 *CHASSIS ASSY 3141A20003 3141A20002 3531A10005 135311 GRILLE ASSY, DISCHARGE(INDOOR) 3531A10023 3531A10008 135312 GRILLE ASSY, FRONT(INDOOR) 3531A20065 3531A10001 3531A10024 135316 *GRILLE ASSY, FRONT(INDOOR) 3531A20065 3531A20202...
  • Page 80 Q’TY LOCATION REMARKS DESCRIPTION PART NUMBER LS-J0761NL LS-J0962NL LS-L1261NL LS-K1862NL(YL) LS-K1861YL LS-K18612L PWB(PCB) ASSY, MAIN(NL-SEIRES) 6871A20062 268714 PWB(PCB) ASSY, MAIN(NM-SEIRES) 6871A20062 PWB(PCB) ASSY, MAIN 6871A10028 342800 BEARING 3H02821 346810 MOTOR ASSY, INDOOR 4681A20003 5211AR7288 35211B TUBE ASSY, TUBING 5211AR7066 5211A30038...
  • Page 81 2. Outdoor Unit 000000 000000 000000 000000 000000 263230 435512 554031 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 18K Series 435511 649950 263230 668711 W0CZZ 552111 437212 546810 668713 WOFT 559011 7K, 9K, 12K Series 263230 447910 552116...
  • Page 82 Parts List Q’TY LOCATION REMARKS DESCRIPTION PART NUMBER LS-J0761NL LS-J0962NL LS-L1261NL LS-K1862NL(YL) LS-K1861YL LS-K18612L 6323A20001 6323A90001 263230 THERMISTOR ASSY 6323AQ2333 6323A20003 6871A20068 668711 PWB(PCB) ASSY, MAIN(OUTDOOR) 6871A20127 2H02079 430411 BASE ASSY, OUTDOOR 3041A30003 3551A20030 435511 *COVER ASSY, CONTROL(OUTDOOR) 3551A30018 3A01919...
  • Page 83 Q’TY LOCATION REMARKS DESCRIPTION PART NUMBER LS-J0761NL LS-J0962NL LS-L1261NL LS-K1862NL(YL) LS-K1861YL LS-K18612L 5416A20022 554160 COMPRESSOR 5416A20003 5416A90005 5900AR1119 559011 FAN ASSY, PROPELLER 1A00195 561410 COIL ASSY, REVERSING VALVE 6141AR3509 4995A10003 649950 CONTROL BOX ASSY, OUTDOOR 4995A20125 661400 COIL, CHOKE 6140A90002...
  • Page 84 December, 2004 P/No.: 3828A20061B Printed in Korea...

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