LG LS-E0960CL Manual
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LG LS-E0960CL Manual

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See also: Service Manual
Room Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LS-E0960CL / CM / CN / CD / CS
LS-E0960HL / HM / HN / HD / HS
LS-F1260CL / CM / CN / CD / CS
LS-F1260HL / HM / HN / HD / HS
LS-J0760CL / CM / CN / CD / CS
LS-J0760HL / HM / HN / HD / HS
LS-J0960CL / CM / CN / CD / CS
LS-J0960HL / HM / HN / HD / HS
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com

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Summary of Contents for LG LS-E0960CL

  • Page 1 Room Air Conditioner SVC MANUAL(Exploded View) MODEL : LS-E0960CL / CM / CN / CD / CS LS-E0960HL / HM / HN / HD / HS LS-F1260CL / CM / CN / CD / CS LS-F1260HL / HM / HN / HD / HS...

  • Page 2: Table Of Contents

    Electronic Parts Troubleshooting Guide ................50 Electronic Control Device ..................... 57 Schematic Diagram ....................... 59 Exploded View ........................61 - 2 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Functions

    28°C. Airflow Direction Control The louver can be set at the desired position or swing up and down automatically. - 3 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Remote Controller

    : 1, 2, 3, 4, 5, 6, 7, Off Timer Airflow Direction Control Fan Operation Mode : Fan Operates without cooling or heating. Reset - 4 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 5: Product Specifications (Cooling Only)

    Liquid 1/4" (6.35) inch(mm) Service Valve 3/8" (9.52) 1/2"(12.7) Sleeping Operation Drain Hose Connecting Cable 1.0mm Power Cord 1.0mm - 5 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Product Specification (Cooling & Heating)

    Liquid 1/4" (6.35) inch(mm) Service Valve 3/8" (9.52) 1/2"(12.7) Sleeping Operation Drain Hose Connecting Cable 1.0mm Power Cord 1.0mm - 6 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7: Dimensions

    ø70mm ø70mm ø70mm ø70mm ( 7K, 9K ) ( 12K ) MODEL LS-J0760CL/HL 12K Btu Series LS-E0960CL/HL LS-J0960CL/HL Unit - 7 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 (2) Outdoor Unit (7K, 9K, LS-F1260CL) Gas side (3-way valve) Liquid side (2-way valve) MODEL 7K Btu Series LS-E0960CL/HL LS-J0960CL/HL unit LS-F1260CL - 8 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 (3) Outdoor Unit (LS-F1260HL) Liquid side 2-way valve Gas side 3-way valve MODEL 12K Btu Heat Pump unit 543.6 11.4 72.5 86.4 - 9 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Refrigeration Cycle Diagram

    Pipe size(Diameter:Ø) MODEL Piping length Elevation Gas(inch) Liquid(inch) 7K, 9K Btu SERIES 3/8" 1/4" 1/2" 1/4" 12K Btu SERIES - 10 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Wiring Diagram

    LS-J0960CL BL BL LS-F1260CL CAPACITOR GN/YL SUPPORT VALVE TERMINAL 1(L) 2(N) BLOCK TO INDOOR UNIT OUTDOOR WIRING DIAGRAM 3854AR6093B - 11 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Indoor Unit

    RD BL (RD) (RD) GN/YL (RD) TERMINAL 1(L) 2(N) BLOCK GN/YL TO INDOOR UNIT OUTDOOR WIRING DIAGRAM 3854AR2262E 3854AR6093D - 12 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: Operation Details

    ➲ Intake Air Temp-1°C 18°C ≤ Intake Intake Air Temp<24°C ➲ Intake Air Temp-0.5°C ➲ 18°C Intake Air Temp<18°C - 13 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 14: Defrost Control

    • While in defrost control, the compressor is on and the indoor fan, the outdoor fan, and the 4 way valve are off. - 14 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 • While in Fuzzy operation, the airflow speed of the indoor fan is automatically selected according to the tem- perature. - 15 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 • The timer LED is on when the on-timer is input. It is off when the time set by the timer is reached. • If the appliance is operating at the time set by the timer, the operation continues. - 16 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 17: Sleep Timer Operation

    • When the Chaos Natural Wind mode is selected and then operated, the high, medium, or low speed of the air- flow mode is operated for 2~15 sec. randomly by the Chaos Simulation. - 17 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 • While in forced operation, the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation. - 18 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 "beep-beep-beep-beep-beep-" is made 10 times to indicate that the remote control signal cannot be received. - 19 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 20: Display Function

    • When the error is cleared, the LED stops flashing, the operation (or cooling) LED is on. • While in appliance pause, the error is not indicated. - 20 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 21: Installation

    • Ensure the correct distance is left from the wall, ceiling, fence, or other obstacles as indi- cated in the diagram. More than 70 cm - 21 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 50mm ø70mm ø70mm 12K Btu Left rear piping Right rear piping Center Center ø70mm ø70mm WALL Indoor Outdoor - 22 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 23: Piping And Drainage Of Indoor Unit

    After the flare part comes into contact with the connec- tors, carefully check the flare finish. - 23 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: For Right Rear Piping

    Insulation material • Glue up the connection portion of drain hose and drain pipe. Drain hose Drain pipe Adhesive - 24 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 - 25 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 26: For Left Rear Piping

    Drain hose Spanner Torque wrench Taping Plastic bands Insulation material Tubing holder Hook Drain hose Drain pipe Push Adhesive - 26 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 Press the lower left and right side of the unit against the Installation Plate until the hooks engage with their slots (sound click). - 27 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 • Vibration of a magnetic switch, damage on the contact point there of, fuse breaking, disturbance to the nor- mal function of a overload protection device. • Proper starting power is not given to the compressor. - 28 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 H05VV-F approved by HAR or SA). approved by HAR or SA). NORMAL CROSS- NORMAL CROSS- SECTIONAL AREA SECTIONAL AREA 1.0mm 1.0mm - 29 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 • Pour a glass of water on the evaporator. • Ensure if water flows drain hose of indoor unit without any leakage. - 30 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 • Press the Grille toward to the cabinet until it will be back into place. - 31 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 32 4. Fix the pipings onto the wall by saddle or equiv- alent. - 32 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 33: Air Purging Of The Piping And Indoor Unit

    7. Set both liquid and gas side valves to open position with the Hexagonal wrench for the unit operation. - 33 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 34 CAUTION : Do not leak the gas in the air during air purging. Use vaccum pump as far as possible - 34 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 35: Pipe Length And The Elevation

    • Oil trap should be installed per 5~7 meters. • Numerical value in "( )" is for Rotary Comp. model. - 35 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 36: Test Running

    2. Ensure the difference between the intake tem- perature and the discharge one is more than 8 °C(Cooling) or reversely (Heating). Discharge air - 36 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 37: Operation

    ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature. RESET BUTTON Used prior to resetting time or after replacing batteries. - 37 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 38: Remote Control

    ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature. RESET BUTTON Used prior to resetting time or after replacing batteries. - 38 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 39: Disassembly Of The Parts (Indoor Unit)

    1. To remove the sensor, housing connect, earth conductor & step motor conductor with sensor holder, Motor, Evaporator & P.C.B. - 39 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 40 • Remove 3 screws securing the evaporator (at the left 2 EA, in the Eva Holder, at the right 1EA): only LS-J series - 40 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 41 • Remove the left end of the cross-flow fan from the self-aligning bearing. LS-J series - 41 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 42: 2-Way, 3-Way Valve

    Open Pressure check (with charging cylinder) Open Open (Servicing) Open Gas releasing (with charging cylinder) Open Open (Servicing) - 42 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 43: Air Purging

    (5) Use torque wrench to tighten the service port gas from a gas cylinder. nut to a torque of 1.8kg.cm. - 43 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 44: Pumping Down

    – Open the low-pressure valve on the charge set slightly to air purge from the charge hose. (5) Set the 2-way valve to the closed position. - 44 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 45 – Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg/cm - 45 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 46 – Discharge the refrigerant gradually; if it is discharged too suddenly, the refrigeration oil will also be discharged. - 46 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 47 (4) Disconnect the charge hose from the vacuum pump. – Vacuum pump oil. If the vacuum pump oil becomes dir ty or depleted, replenish as needed. - 47 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 48: Gas Charging

    1 minute and then repeat the procedure (pumping down-pin). - 48 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 49: Cycle Troubleshooting Guide

    2. The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty. - 49 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 50: Electronic Parts Troubleshooting Guide

    • IC01A(KIA7036, Reset IC) • Voltage of Micom No. 2, • Replace faulty parts X01(8MHz) (DC +4.5V over) and Soldering condition. - 50 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 51 ) - R17(2Ω) - IR LED - Q1 - R16(2.2KΩ). • Check the connecting circuit between PIN - R01L(1K) - C01L(680PF) - MICOM PIN • Check Receiver Ass'y - 51 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 52 • Check the abnormal condition for the component of Compressor/Outdoor Fan Motor. • Check the "open" or "short" of conmecting wires between indoor and outdoor. - 52 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 53 The voltage of PIN NO 1(blue) and 3(yellow) of CN-MOTOR. About AC 180V over About AC 50V over SSR is not damaged SSR Check - 53 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 54 • Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver - 54 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 55 Between Micom DC 5V DC 0V (NO.54) and GND Between IC02M Below DC 1V About DC 12V (NO.16) and GND - 55 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 56 • Check the abnormal condition for the component of Compressor/Outdoor Fan Motor, 4 way. • Check the "open" or "short" of connecting wires between indoor and outdoor. - 56 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 57: Electronic Control Device

    5.1K 200K 200K LS-E0960CL(S) 6871AQ2420A 6.8K OPEN LS-F1260CL(S) 6871AQ2420B 6.8K OPEN 6.8K LS-E0960HL(S) 6871AQ2420C 5.1K LS-F1260HL(S) 6871AQ2420D 5.1K 6.8K - 57 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 58 (2) Display Ass'y • LS-J0760CL/HL, LS-J0960CL/HL(P/NO.:6871A30009A) • LS-E0960CL/HL, LS-F1260CL/HL(P/NO.:6871Q3265A) - 58 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 59: Schematic Diagram

    Schematic Diagram Cooling Only Series - 59 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 60 Heat Pump Series - 60 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 61: Exploded View

    Exploded View 1. Indoor Unit (1) LS-J0760CL/HL, LS-J0960CL/HL - 61 - Copy right ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 62 (2) LS-E0960CL/HL - 62 - Copy right ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 63 (3) LS-F1260CL/HL - 63 - Copy right ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 64 2. Outdoor unit (1) LS-J0760CL/HL - 64 - Copy right ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 65 (2) LS-E0960CL/HL, LS-J0960CL/HL, LS-F1260CL - 65 - Copy right ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 66 (3) LS-F1260HL - 66 - Copy right ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 67 JULY, 2008 P/NO : 3828AR7190X...

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