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LG LM-1460C2L Service Manual

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Библиотека СОК 
Multi Type Room

Air Conditioner

SERVICE MANUAL

MODEL: LM-1460C2L/M
LM-1460H2L/M
LM-1560C2L/M
LM-1723C2L/M
LM-1963C2L/M
LM-1963H2L/M
LM-2163C2L/M
LM-2163H2L/M
LM-2063H3L/M
LM-2064C3L/M
LM-3063C3L/M
LM-3063H3L/M

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Summary of Contents for LG LM-1460C2L

  • Page 1: Air Conditioner

    Multi Type Room Air Conditioner SERVICE MANUAL MODEL: LM-1460C2L/M LM-1460H2L/M/N LM-1560C2L/M LM-1723C2L/M LM-1723A2L LM-1963C2L/M LM-1963H2L/M LM-2063H3L/M/N LM-2064C3L/M LM-2163C2L/M LM-2163H2L/M LM-2561C3L/M LM-3063C3L/M LM-3063H3L/M...

  • Page 1: Air Conditioner

    Библиотека СОК  Multi Type Room Air Conditioner SERVICE MANUAL MODEL: LM-1460C2L/M LM-1460H2L/M LM-1560C2L/M LM-1723C2L/M LM-1963C2L/M LM-1963H2L/M LM-2163C2L/M LM-2163H2L/M LM-2063H3L/M LM-2064C3L/M LM-3063C3L/M LM-3063H3L/M...

  • Page 2: Table Of Contents

    Contents Functions............................3 Product Specifications ........................ 5 Dimensions..........................17 Refrigeration Cycle Diagram..................... 21 Wiring Diagram .......................... 25 Operation Details ........................28 Display Function ........................35 Self-Diagnosis Function ......................35 Installation ..........................36 Operation ............................ 50 Disassembly of the parts (Indoor Unit) ..................52 2-way, 3-way Valve ........................

  • Page 2: Table Of Contents

    Contents Functions............................3 Product Specifications ........................ 5 Dimensions..........................17 Refrigeration Cycle Diagram..................... 21 Wiring Diagram .......................... 25 Operation Details ........................28 Display Function ........................35 Self-Diagnosis Function ......................35 Installation ..........................36 Operation ............................ 50 Disassembly of the parts (Indoor Unit)..................52 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) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Starting Current Control • Indoor fan is delayed for 5 seconds at the starting. Time Delay Safety Control •...

  • Page 3: Functions

    Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the Room Temperature • Room temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Starting Current Control • Indoor fan is delayed for 5 seconds at the starting. Time Delay Safety Control •...

  • Page 4: Remote Controller

    Remote Controller Operation ON/OFF Operation Mode Selection Cooling Operation Mode.( Auto Operation Mode.( (Cooling (Heating Healthy Dehumidification Operation Mode.( Heating Operation Mode.( model only) model only) Fan Speed Selection (Low) (Med) (High) (CHAOS) Room, Temperature Display : (High: 39°C LOW : 11°C) Temperature Setting Down to 18°C Down to 16°C...

  • Page 4: Remote Controller

    Remote Controller Operation ON/OFF Operation Mode Selection Cooling Operation Mode.( Auto Operation Mode.( (Cooling (Heating Healthy Dehumidification Operation Mode.( Heating Operation Mode.( model only) model only) Fan Speed Selection (Low) (Med) (High) (CHAOS) Room, Temperature Display : (High: 39°C LOW : 11°C) Temperature Setting Down to 18°C Down to 16°C...

  • Page 5: Product Specifications

    Product Specifications 1. LM-1460C2L/M Operation A-Unit Only B-Unit Only A-Unit + B-Unit Unit Item 15,000(3,780) 11,000(2,772) 11,000(2,772) Cooling Capacity Btu/h(kcal/h) Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37+1 37+1 Noise Level...

  • Page 5: Product Specifications

    Product Specifications 1. LM-1460C2L/M Operation A-Unit Only B-Unit Only A-Unit + B-Unit Unit Item 15,000(3,780) 11,000(2,772) 11,000(2,772) Cooling Capacity Btu/h(kcal/h) Moisture Removal §⁄/h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37+1 37+1 Noise Level...
  • Page 6 2. LM-1560C2L/M Operation A-Unit Only B-Unit Only A-Unit + B-Unit Unit Item 15,000(3,780) 11,000(2,772) 11,000(2,772) Cooling Capacity Btu/h(kcal/h) Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37+1 37+1 Noise Level dB(A) Outdoor 54+1 Input 1,450...
  • Page 6 2. LM-1560C2L/M Operation A-Unit Only B-Unit Only A-Unit + B-Unit Unit Item 15,000(3,780) 11,000(2,772) 11,000(2,772) Cooling Capacity Btu/h(kcal/h) Moisture Removal §⁄/h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37+1 37+1 Noise Level dB(A) Outdoor 54+1 Input...
  • Page 7 3. LM-1460H2L/M Operation A-Unit + B-Unit B-Unit Only A-Unit Only Unit Item 14,000(3,528) 10,000(2,520) 10,000(2,394) Cooling Capacity Btu/h(kcal/h) 15,000(3,780) 11,100(2,272) 11,000(2,272) Heating Capacity Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37 +1 37 +1 Noise Level dB(A)
  • Page 7 3. LM-1460H2L/M Operation A-Unit + B-Unit B-Unit Only A-Unit Only Unit Item 14,000(3,528) 10,000(2,520) 10,000(2,394) Cooling Capacity Btu/h(kcal/h) 15,000(3,780) 11,100(2,272) 11,000(2,272) Heating Capacity Moisture Removal §⁄/h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37 +1 37 +1 Noise Level...
  • Page 8 4. LM-1723C2L/M, LM-1723A2L Operation A-Unit Only B-Unit Only A-Unit + B-Unit Unit Item 17,000(4,280) 8,500(2,140) 8,500(2,140) Cooling Capacity Btu/h(kcal/h) Moisture Removal 1Ø, 220V, 60Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37+1 37+1 Noise Level dB(A) Outdoor 54 + 1 Input...
  • Page 8 4. LM-1723C2L/M Operation A-Unit Only B-Unit Only A-Unit + B-Unit Unit Item 17,000(4,280) 8,500(2,140) 8,500(2,140) Cooling Capacity Btu/h(kcal/h) Moisture Removal §⁄/h 1Ø, 220V, 60Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37+1 37+1 Noise Level dB(A) Outdoor 54 + 1 Input...
  • Page 9 5. LM-1963C2L/M Operation B-Unit Only A-Unit Only A-Unit + B-Unit Unit Item 19,000(4,788) 9,500(2,394) 9,500(2,394) Cooling Capacity Btu/h(kcal/h) Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37 1 37 1 Noise Level dB(A) Outdoor 55 1...
  • Page 9 5. LM-1963C2L/M Operation B-Unit Only A-Unit Only A-Unit + B-Unit Unit Item 19,000(4,788) 9,500(2,394) 9,500(2,394) Cooling Capacity Btu/h(kcal/h) Moisture Removal §⁄/h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37¡ 1 37¡ 1 Noise Level dB(A) Outdoor 55¡...
  • Page 10 6. LM-1963H2L/M Operation A-Unit + B-Unit A-Unit Only B-Unit Only Unit Item 19,000(4,788) 9,500(2,394) 9,500(2,394) Cooling Capacity Btu/h(kcal/h) 19,000(4,788) 9,500(2,394) 9,500(2,394) Heating Capacity Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 36 + 1 36 + 1 Noise Level dB(A)
  • Page 10 6. LM-1963H2L/M Operation A-Unit + B-Unit A-Unit Only B-Unit Only Unit Item 19,000(4,788) 9,500(2,394) 9,500(2,394) Cooling Capacity Btu/h(kcal/h) 19,000(4,788) 9,500(2,394) 9,500(2,394) Heating Capacity Moisture Removal §⁄ /h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 36 + 1 36 + 1...
  • Page 11 7. LM-2163C2L/M Operation B-Unit Only A-Unit Only A-Unit + B-Unit Unit Item Cooling Capacity Btu/h(kcal/h) 21,000(5,292) 12,000(3,024) 9,000(2,268) Moisture Removal Power Source ø, V, Hz 1Ø, 220-240V, 50Hz Indoor Air Circulation /min Outdoor Indoor 39 + 1 37 + 1 Noise Level dB(A) Outdoor...
  • Page 11 7. LM-2163C2L/M Operation B-Unit Only A-Unit Only A-Unit + B-Unit Unit Item Cooling Capacity Btu/h(kcal/h) 21,000(5,292) 12,000(3,024) 9,000(2,268) Moisture Removal §⁄ /h Power Source ø, V, Hz 1Ø, 220-240V, 50Hz Indoor Air Circulation /min Outdoor Indoor 39 + 1 37 + 1 Noise Level dB(A) Outdoor...
  • Page 12 8. LM-2163H2L/M Operation A-Unit + B-Unit A-Unit Only B-Unit Only Unit Item 21,000(5,292) 12,000(3,024) 9,000(2,268) Cooling Capacity Btu/h(kcal/h) 22,000(5,544) 12,500(3,150) 9,500(2,394) Heating Capacity Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 39 + 1 37 + 1 Noise Level dB(A)
  • Page 12 8. LM-2163H2L/M Operation A-Unit + B-Unit A-Unit Only B-Unit Only Unit Item 21,000(5,292) 12,000(3,024) 9,000(2,268) Cooling Capacity Btu/h(kcal/h) 22,000(5,544) 12,500(3,150) 9,500(2,394) Heating Capacity Moisture Removal §⁄/h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 39 + 1 37 + 1 Noise Level...
  • Page 13 9. LM-2063H3L/M Operation A-Unit B or C-Unit A+B or C A+B+C Item Unit 8,000(2,016) 8,500(2,142) 16,500(4,158) 12,000(3,004) 20,000(5,040) Cooling Capacity Btu/h(kcal/h) 8,500(2,016) 8,000(2,016) 16,500(4,158) 12,000(3,024) 20,500(5,166) Heating Capacity Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor – –...
  • Page 13 9. LM-2063H3L/M Operation A-Unit B or C-Unit A+B or C A+B+C Item Unit 8,000(2,016) 8,500(2,142) 16,500(4,158) 12,000(3,004) 20,000(5,040) Cooling Capacity Btu/h(kcal/h) 8,500(2,016) 8,000(2,016) 16,500(4,158) 12,000(3,024) 20,500(5,166) Heating Capacity Moisture Removal §⁄ /h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz Indoor –...
  • Page 14 10. LM-2064C3L/M, LM-2561C3L/M LM-2064C3L/M LM-2561C3L/M Operation B or B or A+B or Unit Item A-Unit B+C A+B+C A-Unit B+C A+B+C C-Unit C-Unit or C Btu/h 8,500 9,000 16,800 11,600 20,500 10,000 10,000 20,000 15,000 25,000 Cooling Capacity (2,142) (Kcal/h) (2,268) (4,233) (2,923) (5,166)
  • Page 14 10. LM-2064C3L/M Operation A-Unit B or C-Unit A+B or C A+B+C Unit Item 8,500(2,142) 9,000(2,268) 16,800(4,233) 11,600(2,923) 20,500(5,166) Cooling Capacity Btu/h(kcal/h) Moisture Removal §⁄/h 1Ø, 230V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 34 + 1 34 + 1 Noise Level dB(A)
  • Page 15 11. LM-3063C3L/M Operation A-Unit B or C-Unit A+B or C A+B+C Unit Item 12,000(2,772) 12,000(3,024) 23,000(5,796) 18,000(4,536) 29,000(7,308) Cooling Capacity Btu/h(kcal/h) Moisture Removal 1Ø, 230V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37 + 1 35 + 1 Noise Level dB(A)
  • Page 15 11. LM-3063C3L/M Operation A-Unit B or C-Unit A+B or C A+B+C Unit Item 12,000(2,772) 12,000(3,024) 23,000(5,796) 18,000(4,536) 29,000(7,308) Cooling Capacity Btu/h(kcal/h) Moisture Removal §⁄/h 1Ø, 230V, 50Hz Power Source ø, V, Hz Indoor Air Circulation /min Outdoor Indoor 37 + 1 35 + 1 Noise Level dB(A)
  • Page 16 12. LM-3063H3L/M Operation A-Unit B or C-Unit A+B or C A+B+C Item Unit 11,000(2,772) 11,500(2,898) 22,500(5,670) 17,000(4,284) 28,000(7,056) Cooling Capacity Btu/h(kcal/h) 11,000(2,772) 12,000(3,024) 23,000(5,796) 17,000(4,284) 28,000(3,056) Heating Capacity Moisture Removal 1Ø, 220-240V, 50Hz Power Source ø, V, Hz – – –...
  • Page 16 12. LM-3063H3L/M Operation A-Unit B or C-Unit A+B or C A+B+C Item Unit 11,000(2,772) 11,500(2,898) 22,500(5,670) 17,000(4,284) 28,000(7,056) Cooling Capacity Btu/h(kcal/h) 11,000(2,772) 12,000(3,024) 23,000(5,796) 17,000(4,284) 28,000(3,056) Heating Capacity Moisture Removal §⁄/h 1Ø, 220-240V, 50Hz Power Source ø, V, Hz – –...

  • Page 17: Dimensions

    Dimensions 1. Indoor Unit Tubing hole cover Installation plate Installation plate ( 9K, 10K, 12K ) ( 6K, 7K, 8K, 9K ) Left rear piping Right rear piping Left rear piping Right rear piping 80mm 50mm ø70mm ø70mm ( 9K, 10K, 12K ) ( 6K, 7K, 8K, 9K ) MODEL 6K, 7K, 8K, 9K Btu Series...

  • Page 17: Dimensions

    Dimensions 1. Indoor Unit Tubing hole cover Installation plate Installation plate ( 9K, 10K, 12K ) ( 6K, 7K, 8K, 9K ) Left rear piping Right rear piping Left rear piping Right rear piping 80mm 50mm ø70mm ø70mm ( 9K, 10K, 12K ) ( 6K, 7K, 8K, 9K ) MODEL 6K, 7K, 8K, 9K Btu Series...

  • Page 18: Outdoor Unit

    2. Outdoor Unit 2-1 LM-1460C2L/M, LM-1560C2L/M, LM-1460H2L/M, LM-1723C2L/M, LM-1723A2L Gas side 3-way valve Liquid side 2-way valve MODEL LM-1460C2L/M, LM-1560C2L/M LM-1460H2L/M, LM-1723C2L/M, LM-1723A2L 543.6 11.4 72.5 74.5 - 18 -...

  • Page 18: Outdoor Unit

    2. Outdoor Unit 2-1 LM-1460C2L/M, LM-1560C2L/M, LM-1460H2L/M, LM-1723C2L/M Gas side 3-way valve Liquid side 2-way valve MODEL LM-1460C2L/M, LM-1560C2L/M LM-1460H2L/M, LM-1723C2L/M 543.6 11.4 72.5 74.5 - 18 -...
  • Page 19 2-2. LM-1963C2L/M, LM-2163C2L/M, LM-1963H2L/M, LM-2163H2L/M Gas side 3-Way valve Liquid side 2-Way valve MODEL LM-1963C2L/M, LM-2163C2L/M, LM-1963H2L/M, LM-2163H2L/M 76.5 - 19 -...
  • Page 19 2-2. LM-1963C2L/M, LM-2163C2L/M, LM-1963H2L/M, LM-2163H2L/M Gas side 3-Way valve Liquid side 2-Way valve MODEL LM-1963C2L/M, LM-2163C2L/M, LM-1963H2L/M, LM-2163H2L/M 76.5 - 19 -...
  • Page 20 2-3. LM-2064C3L/M, LM-2063H3L/M, LM-2561C3L/M, LM-3063C3L/M, LM-3063H3L/M Gas side 3-Way valve Liquid side 2-Way valve MODEL LM-2064C3L/M, LM-2063H3L/M, LM-2561C3L/M LM-3063C3L/M, LM-3063H3L/M 76.5 76.5 - 20 -...
  • Page 20 2-3. LM-2064C3L/M, LM-2063H3L/M LM-3063C3L/M, LM-3063H3L/M Gas side 3-Way valve Liquid side 2-Way valve MODEL LM-2064C3L/M, LM-2063H3L/M LM-3063C3L/M, LM-3063H3L/M 76.5 76.5 - 20 -...

  • Page 21: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram 1. LM-1460C2L/M, LM-1560C2L/M (Cooling only models) Indoor Unit Outdoor Unit Heat 3- WAY Exchanger Valve Heat Exchanger COMPRESSOR B-Unit A-Unit 2- WAY Valve 2. LM-1460H2L/M (Cooling & Heating modes) Indoor Unit Outdoor Unit Heat Exchanger 3- WAY...

  • Page 21: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram 1. LM-1460C2L/M, LM-1560C2L/M (Cooling only models) Indoor Unit Outdoor Unit Heat 3- WAY Exchanger Valve Heat Exchanger COMPRESSOR B-Unit A-Unit 2- WAY Valve 2. LM-1460H2L/M (Cooling & Heating modes) Indoor Unit Outdoor Unit Heat Exchanger 3- WAY...
  • Page 22 3. LM-1723C2L/M, LM-1723A2L(Cooling only modes) Indoor Unit Outdoor Unit Heat 3- WAY Exchanger Valve Heat Exchanger COMP B-Unit A-Unit 2- WAY Valve 4. LM-1963C2L/M, LM-2163C2L/M(Cooling only models) LIQUID SIDE CAPILLARY TUBE 2-WAY VALVE HEAT HEAT EXCHANGER EXCHANGER (EVAPORATOR) (CONDENSER) A-UNIT B-UNIT COMPRESSOR GAS SIDE...
  • Page 22 3. LM-1723C2L/M(Cooling only modes) Indoor Unit Outdoor Unit Heat 3- WAY Exchanger Valve Heat Exchanger COMP B-Unit A-Unit 2- WAY Valve 4. LM-1963C2L/M, LM-2163C2L/M(Cooling only models) LIQUID SIDE CAPILLARY TUBE 2-WAY VALVE HEAT HEAT EXCHANGER EXCHANGER (EVAPORATOR) (CONDENSER) A-UNIT B-UNIT COMPRESSOR GAS SIDE 3-WAY VALVE...
  • Page 23 5. LM-1963H2L/M, LM-2163H2L/M(Cooling & Heating models) Indoor Unit Outdoor Unit COOLING HEATING COMPRESSOR-A DEICE 4-WAY VALVE 3-WAY COMPRESSOR-B HEAT VALVE EXCHANGER 4-WAY VALVE HEAT A-UNIT B-UNIT EXCHANGER CAPILLARY TUBE 2-WAY CAPILLARY TUBE VALVE 6. LM-2064C3L/M, LM-2561C3L/M, LM-3063C3L/M(Cooling only models) Indoor Unit Outdoor Unit 2- WAY Heat...
  • Page 23 5. LM-1963H2L/M, LM-2163H2L/M(Cooling & Heating models) Indoor Unit Outdoor Unit COOLING HEATING COMPRESSOR-A DEICE 4-WAY VALVE 3-WAY COMPRESSOR-B HEAT VALVE EXCHANGER 4-WAY VALVE HEAT A-UNIT B-UNIT EXCHANGER CAPILLARY TUBE 2-WAY CAPILLARY TUBE VALVE 6. LM-2064C3L/M, LM-3063C3L/M(Cooling only models) Indoor Unit Outdoor Unit 2- WAY Heat...
  • Page 24 7. LM-2063H3L/M, LM-3063H3L/M(Cooling & Heating models) Indoor Unit Outdoor Unit 2- WAY Valve Heat Exchanger 3- WAY Comp-A A-Unit Valve Heat Exchanger 3- WAY Valve Heat Comp-B Exchanger C-Unit B-Unit 2- WAY Valve Solenoid Valve Pipe Size (Diameter : inch) Max.
  • Page 24 7. LM-2063H3L/M, LM-3063H3L/M(Cooling & Heating models) Indoor Unit Outdoor Unit 2- WAY Valve Heat Exchanger 3- WAY Comp-A A-Unit Valve Heat Exchanger 3- WAY Valve Heat Comp-B Exchanger C-Unit B-Unit 2- WAY Valve Solenoid Valve Pipe Size (Diameter : inch) Max.

  • Page 25: Wiring Diagram

    Wiring Diagram(Indoor Unit) 1. LM-1460C2L/M, LM-1723C2L/M 2. LM-2163C3L/M(12K) LM-1963C2L/M, LM-2163C2L/M(9K) LM-1560C2L/M, LM-1723A2L FORCED FORCED MAIN PCB MAIN PCB OPERATION OPERATION AUTO AUTO RESTART RESTART REMOTE REMOTE CONTROL CONTROL MOTOR MOTOR THERMISTOR THERMISTOR STEP STEP SH-CAPA. SH-CAPA. MOTOR MOTOR FUSE FUSE...

  • Page 25: Wiring Diagram

    Wiring Diagram(Indoor Unit) 1. LM-1460C2L/M, LM-1723C2L/M 2. LM-2163C3L/M(12K) LM-1963C2L/M, LM-2163C2L/M(9K) LM-1560C2L/M FORCED FORCED MAIN PCB MAIN PCB OPERATION OPERATION AUTO AUTO RESTART RESTART REMOTE REMOTE CONTROL CONTROL MOTOR MOTOR THERMISTOR THERMISTOR STEP STEP SH-CAPA. SH-CAPA. MOTOR MOTOR FUSE FUSE AC250V/T2A AC250V/T2A RY-COMP.
  • Page 26 Wiring Diagram(Outdoor Unit) 1. LM-1460C2L/M, LM-1560C2L/M 2. LM-1460H2L/M OUTDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM THERMISTOR THERMISTOR CN-TH CN-TH MOTOR COMP MAIN P.C.B. ASM MOTOR COMP MAIN P.C.B. ASM 5(B) 5(B) 7(A) 7(A) CAPA. CAPA. CN-S.V CN-FAN CN-S.V CN-FAN BL RD...
  • Page 26 Wiring Diagram(Outdoor Unit) 1. LM-1460C2L/M, LM-1560C2L/M 2. LM-1460H2L/M OUTDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM THERMISTOR THERMISTOR CN-TH CN-TH MOTOR COMP MAIN P.C.B. ASM MOTOR COMP MAIN P.C.B. ASM 5(B) 5(B) 7(A) 7(A) CAPA. CAPA. CN-S.V CN-FAN CN-S.V CN-FAN BL RD...
  • Page 27 5. LM-1963H2L/M, LM-2163H2L/M 6. LM-2063H3L/M, LM-3063H3L/M T/B2 T/B3 T/B1 T/B2 T/B1 OPTION GN/YL BL BL BK(Hi) MOTOR T/B3 MOTOR OPTION CAPA. BL BL R BR "A" "B" "A" "B" COMP COMP COMP COMP OPTION WH RD CN-COMP CN-FAN CN-SV CN-COMP CN-FAN CN-BYPASS CN-SV...
  • Page 27 5. LM-1963H2L/M, LM-2163H2L/M 6. LM-2063H3L/M, LM-3063H3L/M T/B2 T/B3 T/B1 T/B2 T/B1 OPTION GN/YL BL BL BK(Hi) MOTOR T/B3 MOTOR OPTION CAPA. BL BL R BR "A" "B" "A" "B" COMP COMP COMP COMP OPTION WH RD CN-COMP CN-FAN CN-SV CN-COMP CN-FAN CN-BYPASS CN-SV...

  • Page 28: Operation Details

    Operation Details 1. MAIN UNIT FUNCTION • DISPLAY 1) C/O Model Operation Indicator • On while in appliance operation, off while in appliance pause • Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on) Sleep Timer Indicator •...

  • Page 28: Operation Details

    Operation Details 1. MAIN UNIT FUNCTION • DISPLAY 1) C/O Model Operation Indicator • On while in appliance operation, off while in appliance pause • Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on) Sleep Timer Indicator •...
  • Page 29 • The second defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed from ending of the first defrost and more than 10 minutes operation of compressor. Cooling overload(except : LM-1963C2L/M, LM-1723C2L/M, LM-1723A2L, LM-2163C2L/M, LM-1460C2L/M) • Control indoor fan by sensing outdoor pipe temperature.
  • Page 29 • The second defrost starts only when the outdoor pipe temperature falls below -6°C after 60 minutes passed from ending of the first defrost and more than 10 minutes operation of compressor. Cooling overload(except : LM-1963C2L/M, LM-1723C2L/M, LM-2163C2L/M, LM-1460C2L/M) • Control indoor fan by sensing outdoor pipe temperature.
  • Page 30 Fuzzy Operation (C/O Model) • According to the temperature set by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on. Compressor ON Temp Setting Temp + 0.5°C Compressor OFF Temp...
  • Page 30 Fuzzy Operation (C/O Model) • According to the temperature set by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on. Compressor ON Temp Setting Temp + 0.5°C Compressor OFF Temp...
  • Page 31 2) Fuzzy Operation for Dehumidification • According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on.
  • Page 31 2) Fuzzy Operation for Dehumidification • According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on.

  • Page 32: Sleep Timer Operation

    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. •...

  • Page 32: Sleep Timer Operation

    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. •...
  • Page 33 Intake Air Temp<21°C Heating Mode Operation, 24°C, High Speed • 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. (only LM-1460C2L/M, LM-1723C2L/M, LM-1963C2L/M, LM-2163C2L/M) -33-...
  • Page 33 Intake Air Temp<21°C Heating Mode Operation, 24°C, High Speed • 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. (only LM-1460C2L/M, LM-1723C2L/M, LM-1963C2L/M, LM-2163C2L/M) -33-...
  • Page 34 Remote Control Operation Mode • When the remote control is selected by the slide switch on the main unit, the appliance operates according to the input by the remote control. Protection of the evaporator pipe from frosting • If the indoor pipe temp is below 0°C in 7 min. after the compressor operates without any pause while in cool- ing cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting.
  • Page 34 Remote Control Operation Mode • When the remote control is selected by the slide switch on the main unit, the appliance operates according to the input by the remote control. Protection of the evaporator pipe from frosting • If the indoor pipe temp is below 0°C in 7 min. after the compressor operates without any pause while in cool- ing cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting.

  • Page 35: Display Function

    Display Function 1. Heating Model 2. Cooling Model Operation Indicator Operation Indicator • Cooling, Soft Dry, Fan, Heating • Cooling, Soft Dry, Fan Sleep Timer Indicator Sleep Timer Indicator • Sleep Mode • Sleep Mode Timer Indicator Timer Indicator • Timer Mode •...

  • Page 35: Display Function

    Display Function 1. Heating Model 2. Cooling Model Operation Indicator Operation Indicator • Cooling, Soft Dry, Fan, Heating • Cooling, Soft Dry, Fan Sleep Timer Indicator Sleep Timer Indicator • Sleep Mode • Sleep Mode Timer Indicator Timer Indicator • Timer Mode •...

  • Page 36: Installation

    Installation (1) Installation of Indoor, Outdoor unit 1) Selection of the best location Front 1. Indoor unit There should not be any heat source or steam • Left near the unit. • There should not be any obstacles to prevent Rear left the air circulation.

  • Page 36: Installation

    Installation (1) Installation of Indoor, Outdoor unit 1) Selection of the best location Front 1. Indoor unit There should not be any heat source or steam • Left near the unit. • There should not be any obstacles to prevent Rear left the air circulation.
  • Page 37 2) Indoor Unit Installation The mounting wall should be strong and solid enough to protect it from the vibration. Installation Plate 1. Mount the installation plate on the wall with four Type "A" screws. (If mounting the unit on the concrete wall, consid- er using anchor bolts.) marking-off line Type "A"...
  • Page 37 2) Indoor Unit Installation The mounting wall should be strong and solid enough to protect it from the vibration. Installation Plate 1. Mount the installation plate on the wall with four Type "A" screws. (If mounting the unit on the concrete wall, consid- er using anchor bolts.) marking-off line Type "A"...
  • Page 38 (2) Piping and Drainage of Indoor Unit 1) Preparation of pipings Pipe cutter 1. Cut the pipes and the cable. • Use the accessory piping kit or the pipes pur- chased locally. Slanted Rough • Measure the distance between the indoor and the outdoor unit.
  • Page 38 (2) Piping and Drainage of Indoor Unit 1) Preparation of pipings Pipe cutter 1. Cut the pipes and the cable. • Use the accessory piping kit or the pipes pur- chased locally. Slanted Rough • Measure the distance between the indoor and the outdoor unit.
  • Page 39 2) Connection of Pipings Installation plate 1. Remove the installation plate • Pull the two '∆' marked portion of bottom of the chassis and pull the installation plate out of chas- sis. Pull 2. Route the drain hose and the indoor tubing. Pull For left rear piping 3.
  • Page 39 2) Connection of Pipings Installation plate 1. Remove the installation plate • Pull the two '∆' marked portion of bottom of the chassis and pull the installation plate out of chas- sis. Pull 2. Route the drain hose and the indoor tubing. Pull For left rear piping 3.
  • Page 40 6. Indoor unit installation. • Hook the indoor unit onto the upper position of the installation plate. (Engage the two hooks of the rear top of the indoor unit with the upper Connecting edge of the installation plate.) cable Ensure the hooks are properly seated on the installation plate by moving it in left and right.
  • Page 40 6. Indoor unit installation. • Hook the indoor unit onto the upper position of the installation plate. (Engage the two hooks of the rear top of the indoor unit with the upper Connecting edge of the installation plate.) cable Ensure the hooks are properly seated on the installation plate by moving it in left and right.
  • Page 41 9. Set the pipings and the connecting cable to the back of the chassis with the tubing holder. • Hook the edge of tubing holder to tap on chas- sis and push the bottom of tubing holder to be engaged in the bottom of chassis. Drain hose Taping Piping...
  • Page 41 9. Set the pipings and the connecting cable to the back of the chassis with the tubing holder. • Hook the edge of tubing holder to tap on chas- sis and push the bottom of tubing holder to be engaged in the bottom of chassis. Drain hose Taping Piping...
  • Page 42 (3) Connecting Pipings and the cable to Outdoor unit 1) Connecting the pipings to the Outdoor unit 1. Align the center of the pipings and sufficiently tighten the flare nut with fingers. 2. Finally, tighten the flare nut with torque wrench until the wrench clicks.
  • Page 42 (3) Connecting Pipings and the cable to Outdoor unit 1) Connecting the pipings to the Outdoor unit 1. Align the center of the pipings and sufficiently tighten the flare nut with fingers. 2. Finally, tighten the flare nut with torque wrench until the wrench clicks.
  • Page 43 2) Connection of the cable Outdoor unit 1. Remove the cover control from the unit by loosen- ing the screw. Terminal block Connect the wires to the terminals on the control board individually as the following. Over 5mm Holder for power supply Terminal on the OUTDOOR UNIT cord...
  • Page 43 2) Connection of the cable Outdoor unit 1. Remove the cover control from the unit by loosen- ing the screw. Terminal block Connect the wires to the terminals on the control board individually as the following. Over 5mm Holder for power supply Terminal on the OUTDOOR UNIT cord...
  • Page 44 (4) Checking the Drainage and Pipe forming 1) Checking the Drainage 1. Remove the Grille from the cabinet • Set the up-and-down air direction louver to open position(horizontally) by finger pressure. • Remove the securing screws. • To remove the Grille, pull lower the left and right side of the grille toward you (slightly tilted) and lift it straight upward.
  • Page 44 (4) Checking the Drainage and Pipe forming 1) Checking the Drainage 1. Remove the Grille from the cabinet • Set the up-and-down air direction louver to open position(horizontally) by finger pressure. • Remove the securing screws. • To remove the Grille, pull lower the left and right side of the grille toward you (slightly tilted) and lift it straight upward.
  • Page 45 2) Connect the cable to the indoor unit 1. Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.
  • Page 45 2) Connect the cable to the indoor unit 1. Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.
  • Page 46 3) Form the pipings 1. Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands(for the left pipings). Drain hose • If you want to connect an additional drain hose, Taping the end of the drain-outlet should keep distance from the ground.(Do not dip it into water, and fix it on the wall to avoid swinging in the wind.) In case of the Outdoor unit is installed bellow...
  • Page 46 3) Form the pipings 1. Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands(for the left pipings). Drain hose • If you want to connect an additional drain hose, Taping the end of the drain-outlet should keep distance from the ground.(Do not dip it into water, and fix it on the wall to avoid swinging in the wind.) In case of the Outdoor unit is installed bellow...
  • Page 47 (5) Air Purging of the Pipings and indoor unit The air which contains moisture remaining in the is refrigeration cycle may cause a malfunction on the compressor. 1. Confirm that both the liquid side valve and the gas side valve are set to the closed position. 2.
  • Page 47 (5) Air Purging of the Pipings and indoor unit The air which contains moisture remaining in the is refrigeration cycle may cause a malfunction on the compressor. 1. Confirm that both the liquid side valve and the gas side valve are set to the closed position. 2.
  • Page 48 (6) Preventive function of cable mis-connection(Cooling & Heating) This product has a preventive function of cable mis-connection. In case of mis-connection (in case that the cables between indoor and outdoor units have not been connected properly), it gives a warning signal of LED flickering 3 minutes after starting operation.
  • Page 48 (6) Preventive function of cable mis-connection(Cooling & Heating) This product has a preventive function of cable mis-connection. In case of mis-connection (in case that the cables between indoor and outdoor units have not been connected properly), it gives a warning signal of LED flickering 3 minutes after starting operation.
  • Page 49 (8) Test running 1) Connection of power supply 1. Connect the power supply cord to the inde- Battery Cover pendent power supply. 2. Prepare the remote control. • Insert two batteries provided. Remove the battery cover from the remote con- troller.
  • Page 49 (8) Test running 1) Connection of power supply 1. Connect the power supply cord to the inde- Battery Cover pendent power supply. 2. Prepare the remote control. • Insert two batteries provided. Remove the battery cover from the remote con- troller.

  • Page 50: Operation

    Operation (1) Name and Function-Remote Control (Door Closed) Remote Control Signal transmitter Transmits the signals to the room air conditioner. Signal transmitter START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. OPERATION MODE SELECTION BUTTON Used to select the operation mode.

  • Page 50: Operation

    Operation (1) Name and Function-Remote Control (Door Closed) Remote Control Signal transmitter Transmits the signals to the room air conditioner. Signal transmitter START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. OPERATION MODE SELECTION BUTTON Used to select the operation mode.
  • Page 51 (2) Name and Function-Remote Control (Door Opened) Remote Control Signal transmitter Transmits the signals to the room air conditioner. Signal transmitter ON/OFF TIMER BUTTONS Used to set the time of starting and stopping operation. TIME SETTING BUTTONS Used to adjust the time. TIMER SET/CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation.
  • Page 51 (2) Name and Function-Remote Control (Door Opened) Remote Control Signal transmitter Transmits the signals to the room air conditioner. Signal transmitter ON/OFF TIMER BUTTONS Used to set the time of starting and stopping operation. TIME SETTING BUTTONS Used to adjust the time. TIMER SET/CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation.

  • Page 52: Disassembly Of The Parts (Indoor Unit)

    Disassembly of the parts (Indoor unit) Warning : Disconnect the unit from power supply before mak- ing 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 52: Disassembly Of The Parts (Indoor Unit)

    Disassembly of the parts (Indoor unit) Warning : Disconnect the unit from power supply before mak- ing 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 53 2. To remove the Control Box. • Remove securing screws. • Pull the control box out from the chassis care- fully. 3. To remove the Discharge Grille. • Pull the discharge grille out from the chassis carefully. 4. To remove the Evaporator. •...
  • Page 53 2. To remove the Control Box. • Remove securing screws. • Pull the control box out from the chassis care- fully. 3. To remove the Discharge Grille. • Pull the discharge grille out from the chassis carefully. 4. To remove the Evaporator. •...

  • Page 54: 2-Way, 3-Way Valve

    2-way, 3-way Valve 2-way Valve (Liguid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench Open position (4mm) Closed position Flare nut Flare nut Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works Shaft position...

  • Page 54: 2-Way, 3-Way Valve

    2-way, 3-way Valve 2-way Valve (Liguid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench Open position (4mm) Closed position Flare nut Flare nut Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works Shaft position...
  • Page 55 (1) Pumping down Liquid side Indoor unit Outdoor unit Close 2-Way valve Gas side Open 3-Way valve manifold gauge Low-handle Hi- handle (CLOSE) (CLOSE) Procedure • 6. Operate the air conditioner at the cooling cycle 1. Confirm that both the gas side and liquid side and stop it when the gauge indicates 1kg/cm valves are set to the open position.
  • Page 55 (1) Pumping down Liquid side Indoor unit Outdoor unit Close 2-Way valve Gas side Open 3-Way valve manifold gauge Low-handle Hi- handle (CLOSE) (CLOSE) Procedure • 6. Operate the air conditioner at the cooling cycle 1. Confirm that both the gas side and liquid side and stop it when the gauge indicates 1kg/cm valves are set to the open position.
  • Page 56 (2) Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit Close 2-Way valve Gas side Open 3-Way valve manifold gauge Vacuum pump Low- handle Hi- handle (OPEN) (CLOSE) • Procedure 1. Confirm that both the liguid side valve and gas 6.
  • Page 56 (2) Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit Close 2-Way valve Gas side Open 3-Way valve manifold gauge Vacuum pump Low- handle Hi- handle (OPEN) (CLOSE) • Procedure 1. Confirm that both the liguid side valve and gas 6.
  • Page 57 (3) Gas Charging (After Evacuation) Liquid side Indoor unit Outdoor unit Close 2-Way valve Gas side Open 3-Way valve manifold gauge Charging cylinder Low-handle Hi- handle (OPEN) Check valve (CLOSE) • Procedure 1. Connect the gauge to the charging cylinder. - Connect the charge hose which you disconnect- This is different from previous procedures.
  • Page 57 (3) Gas Charging (After Evacuation) Liquid side Indoor unit Outdoor unit Close 2-Way valve Gas side Open 3-Way valve manifold gauge Charging cylinder Low-handle Hi- handle (OPEN) Check valve (CLOSE) • Procedure 1. Connect the gauge to the charging cylinder. - Connect the charge hose which you disconnect- This is different from previous procedures.

  • Page 58: 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 out. Current : less than 80% of Check refrigeration cycle. rated current Temp. Difference Refrigerant leakage Temp.

  • Page 58: 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 out. Current : less than 80% of Check refrigeration cycle. rated current Temp. Difference Refrigerant leakage Temp.

  • Page 59: Electronic Parts Troubleshooting Guide

    Electronic Parts Troubleshooting Guide 1. Product does not operate at all. (* Refer to Electronic Control Device drawing and Schematic diagram.) Turn off Main Power (After 10 seconds) Turn on Main Power Does "beeping" sound is made from the Indoor Unit? Primarily, the operating condition of Micom is OK.

  • Page 59: Electronic Parts Troubleshooting Guide

    Electronic Parts Troubleshooting Guide 1. Product does not operate at all. (* Refer to Electronic Control Device drawing and Schematic diagram.) Turn off Main Power (After 10 seconds) Turn on Main Power Does "beeping" sound is made from the Indoor Unit? Primarily, the operating condition of Micom is OK.
  • Page 60 2. The product is not operate with the remote control. 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 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 60 2. The product is not operate with the remote control. 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 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 61 3. When cooling does not operate Turn on Main Power Operate "Cooling Mode( )" by setting the desired 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 attached as close as to be effected by the temperature of Heat Exchanger(EVA).
  • Page 61 3. When cooling does not operate Turn on Main Power Operate "Cooling Mode( )" by setting the desired 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 attached as close as to be effected by the temperature of Heat Exchanger(EVA).

  • Page 62: When Indoor Fan Does Not Operate

    4. When indoor Fan does not operate. Turn off Main power Check the connection of CN-FAN or CN-MOTOR Check the Fan Motor Check the Fuse(AC250V/T2A) Check the related circuit of indoor Fan Motor. • The pin of Micom, and the part for driving SSR •...

  • Page 62: When Indoor Fan Does Not Operate

    4. When indoor Fan does not operate. Turn off Main power Check the connection of CN-FAN or CN-MOTOR Check the Fan Motor Check the Fuse(AC250V/T2A) Check the related circuit of indoor Fan Motor. • The pin of Micom, and the part for driving SSR •...
  • Page 63 5. When Vertical Louver does not operate. • 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 63 5. When Vertical Louver does not operate. • 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 64 6. When Heating does not operate Turn ON Main Power Operate “Heating Mode( )” by setting the desired temperature of the remote control is higher than one of the indoor temperature by 2°C at least. In heating Mode, the indoor fan operates in case the pipe temperature is higher than 28°C.
  • Page 64 6. When Heating does not operate Turn ON Main Power Operate “Heating Mode( )” by setting the desired temperature of the remote control is higher than one of the indoor temperature by 2°C at least. In heating Mode, the indoor fan operates in case the pipe temperature is higher than 28°C.

  • Page 65: Communication Error

    7. Outdoor unit does not operate at all. Check Outdoor Unit PCB Board Operation Check in Outdoor Content Remedy Items • Power Transformer - About AC220V/240V ± 10% - Check the power voltage (Outdoor unit) • Replace Trans - Input Voltage - About AC14 ±...

  • Page 65: Communication Error

    7. Outdoor unit does not operate at all. Check Outdoor Unit PCB Board Operation Check in Outdoor Items Content Remedy • Power Transformer - About AC220V/240V ± 10% - Check the power voltage (Outdoor unit) • Replace Trans - Input Voltage - About AC14 ±...

  • Page 66: Electronic Control Device

    Electronic Control Device 1. Indoor • MAIN P.C.B ASM(LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M, LM-1963C2L/M, LM-2163C2L/M, LM-1723A2L) • MAIN P.C.B ASM(LM-1460H2L/M, LM-1963H2L/M, LM-2163H2L/M, LM-2064C3L/M, LM-2063H3L/M, LM-2561C3L/M, LM-3063C3L/M, LM-3063H3L/M) - 66 -...

  • Page 66: Electronic Control Device

    Electronic Control Device 1. Indoor • MAIN P.C.B ASM(LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M, LM-1963C2L/M, LM-2163C2L/M) • MAIN P.C.B ASM(LM-1460H2L/M, LM-1963H2L/M, LM-2163H2L/M, LM-2064C3L/M, LM-2063H3L/M, LM-3063C3L/M, LM-3063H3L/M) - 66 -...
  • Page 67 2. Outdoor • MAIN P.C.B ASM(LM-1460C2L/M, LM-1560C2L/M, LM-1460H2L/M, LM-1723C2L/M, LM-2064C3L/M, LM-2063H3L/M, LM-1963H2L/M, LM-2163H2L/M, LM-2561C3L/M, LM-3063C3L/M, LM-3063H3L/M, LM-1723A2L) -67-...
  • Page 67 2. Outdoor • MAIN P.C.B ASM(LM-1460C2L/M, LM-1560C2L/M, LM-1460H2L/M, LM-1723C2L/M, LM-2064C3L/M, LM-2063H3L/M, LM-1963H2L/M, LM-2163H2L/M, LM-3063C3L/M, LM-3063H3L/M) -67-...
  • Page 68 3. Display Ass'y - 68 -...
  • Page 68 3. Display Ass'y - 68 -...

  • Page 69: Schematic Diagram

    Schematic Diagram 1. Indoor 1-1. LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M, LM-1723A2L, LM-1963C2L/M, LM-2163C2L/M) - 69 -...

  • Page 69: Schematic Diagram

    Schematic Diagram 1. Indoor 1-1. LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M, LM-1963C2L/M, LM-2163C2L/M) - 69 -...
  • Page 70 1-2. LM-1460H2L/M, LM-1963H2L/M, LM-2163H2L/M, LM-2064C3L/M, LM-2063H3L/M, LM-2561C3L/M, LM-3063C3L/M, LM-3063H3L/M -70-...
  • Page 70 1-2. LM-1460H2L/M, LM-1963H2L/M, LM-2163H2L/M, LM-2064C3L/M, LM-2063H3L/M, LM-3063C3L/M, LM-3063H3L/M -70-...
  • Page 71 2. Outdoor 2-1. LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M, LM-1723A2L -71-...
  • Page 71 2. Outdoor 2-1. LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M -71-...
  • Page 72 2-2. LM-1460H2L/M, LM-1963H2L/M, LM-2163H2L/M, LM-2063H3L/M, LM-2064C3L/M, LM-2561C3L/M, LM-3063H3L/M, LM-3063C3L/M -72-...
  • Page 72 2-2. LM-1460H2L/M, LM-1963H2L/M, LM-2163H2L/M, LM-2063H3L/M, LM-2064C3L/M, LM-3063H3L/M, LM-3063C3L/M -72-...

  • Page 73: Exploded View & Replacement Parts List

    Exploded View & Replacement Parts List 1. Indoor Unit (6K, 7K, 8K, 9K Btu Models) - 73 -...

  • Page 73: Exploded View & Replacement Parts List

    Exploded View & Replacement Parts List 1. Indoor Unit (6K, 7K, 8K, 9K Btu Models) - 73 -...
  • Page 74 Parts List(Indoor Unit) Q/TY LOCATION LM-1963C2L/M LM-2064C3L/M LM-2561C3L/M LM-2163C2L/M LM-1460C2L/M REMARK PART No. DESCRIPTION A/B UNIT A, B, C UNIT B/C UNIT B UNIT A/B UNIT 733010 3300A10002 PLATE INSTALLATION 346810 4681A20003 MOTOR, BLOWER 359011 5901AR6141 CROSS FLOW FAN 342800...
  • Page 74 Parts List(Indoor Unit) Q/TY PART No. DESCRIPTION LM-1963C2L/M LM-2064C3L/M LM-2163C2L/M LM-1460C2L/M REMARK A/B UNIT A UNIT B/C UNIT B UNIT A/B UNIT 3300A10002 PLATE INSTALLATION 3H03651 HOLDER, TUBE 4681A20003 MOTOR, BLOWER 3141A20001 CHASSIS ASM 3H03652 COVER, TUBE 5901AR6141 CROSS FLOW FAN...
  • Page 75 2. Indoor Unit (6K, 7K, 8K, 9K Btu Models) - 75 -...
  • Page 75 2. Indoor Unit (6K, 7K, 8K, 9K Btu Models) - 75 -...
  • Page 76 Parts List(Indoor Unit) Q/TY LOCATION LM-1963H2L/M LM-2063H3L/M LM-1460H2L/M REMARK PART No. DESCRIPTION A/B UNIT A UNIT B/C UNIT A/B UNIT 733010 3300A10002 PLATE INSTALLATION 346810 4681A20003 MOTOR, BLOWER 359011 5901AR6141 CROSS FLOW FAN 342800 3H02821 BEARING ASM 354212 5421AR6176 EVAPORATOR ASM 267110 6711A20010 REMOTE CONTROL ASM...
  • Page 76 Parts List(Indoor Unit) Q/TY PART No. DESCRIPTION LM-1963H2L/M LM-2063H3L/M LM-1460H2L/M REMARK A/B UNIT A UNIT B/C UNIT A/B UNIT 3300A10002 PLATE INSTALLATION 3H03651 HOLDER, TUBE 4681A20003 MOTOR, BLOWER 3141A20001 CHASSIS ASM 3H03652 COVER, TUBE 5901AR6141 CROSS FLOW FAN 3H02821 BEARING ASM 5421AR6176 EVAPORATOR ASM 5421AR6175...
  • Page 77 3. Indoor Unit (9K, 12K Btu Models) - 77 -...
  • Page 77 3. Indoor Unit (9K, 12K Btu Models) - 77 -...
  • Page 78 Parts List(Indoor Unit) Q/TY LOCATION LM-2163C2L/M LM-2561C3L/M LM-3063C3L/M REMARK PART No. DESCRIPTION A UNIT A UNIT A/B/C UNIT 733010 1H00843 PLATE INSTALLATION 346810 4681A20003 MOTOR, BLOWER 131410 3141A20003 CHASSIS ASM 359011 5901AR6141 CROSS FLOW FAN 342800 3H02821 BEARING ASM 354212 5421A20031 EVAPORATOR ASM 1H/1G/1G...
  • Page 78 Parts List(Indoor Unit) Q/TY PART No. DESCRIPTION LM-2163C2L/M LM-3063C3L/M REMARK A UNIT A UNIT B/C UNIT 1H00843 PLATE INSTALLATION 3H03651 HOLDER, TUBE 4681A20003 MOTOR, BLOWER 3141A20003 CHASSIS ASM 3H03652 COVER, TUBE 5901AR6141 CROSS FLOW FAN 3H02821 BEARING ASM 5421A20031 EVAPORATOR ASM 5421A20032 EVAPORATOR 6711A20010...
  • Page 79 4. Indoor Unit (9K, 12K Btu Models) - 79 -...
  • Page 79 4. Indoor Unit (9K, 12K Btu Models) - 79 -...
  • Page 80 Parts List(Indoor Unit) Q/TY LOCATION LM-2163H2L/M LM-3063H3L/M REMARK PART No. DESCRIPTION A UNIT A UNIT B/C UNIT 733010 1H00843 PLATE INSTALLATION 346810 4681A20003 MOTOR, BLOWER 131410 3141A20003 CHASSIS ASM 359011 5901AR6141 CROSS FLOW FAN 342800 3H02821 BEARING ASM 354212 5421A20031 EVAPORATOR ASM 267110 6711A20010...
  • Page 80 Parts List(Indoor Unit) Q/TY PART No. DESCRIPTION LM-2163H2L/M LM-3063H3L/M REMARK A UNIT A UNIT B/C UNIT 1H00843 PLATE INSTALLATION 3H03651 HOLDER, TUBE 4681A20003 MOTOR, BLOWER 3141A20003 CHASSIS ASM 3H03652 COVER, TUBE 5901AR6141 CROSS FLOW FAN 3H02821 BEARING ASM 5421A20031 EVAPORATOR ASM 5421A20032 EVAPORATOR 6711A20010...
  • Page 81 5. Outdoor Unit (LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M, LM-1723A2L) - 81 -...
  • Page 81 5. Outdoor Unit (LM-1460C2L/M, LM-1560C2L/M, LM-1723C2L/M) - 81 -...
  • Page 82 Parts List(Outdoor Unit) Q/TY LOCATION LM-1460C2L/M LM-1560C2L/M LM-1723C2L/M LM-1723A2L REMARK PART No. DESCRIPTION A/B UNIT A/B UNIT A/B UNIT A/B UNIT 554031 5403AR6027 CONDENSER ASSY, BENT 5417A90002 554160 COMPRESSOR ASSY 5417AP2156 550140 4830AR4335 ISOLATOR, COMP 567502 6750U-L027A O.L.P 6521A20001 551410...
  • Page 82 Parts List(Outdoor Unit) Q/TY PART No. DESCRIPTION LM-1460C2L/M LM-1560C2L/M LM-1723C2L/M REMARK A/B UNIT A/B UNIT A/B UNIT 2HO2079 BASE ASSY(OUTDOOR) 5403AR6027 ONDENSER ASSY, BEN 4A01556 HOLDER(COND) 5417A90002 COMPRESSOR ASSY 5417A2156 COMPRESSOR ASSY 4830AR4335 ISOLATOR, COMP 6750U-L027A O.L.P 3550U-L004A COVER, TERMINAL...
  • Page 83 6. Outdoor Unit (LM-1460H2L/M) - 83 -...
  • Page 83 6. Outdoor Unit (LM-1460H2L/M) - 83 -...
  • Page 84 Parts List(Outdoor Unit) Q/TY LOCATION LM-1460H2L/M/N REMARK PART No. DESCRIPTION A/B UNIT 430411 2H02079 BASE ASSY(OUTDOOR) 554031 5403AR6027 CONDENSER ASSY, BENT 554160 2520UMLP2EA COMPRESSOR ASSY 550140 4830AR4335 ISOLATOR, COMP 567502 6750U-L027A O.L.P. 552202 3A02027 VALVE REVERSING 551410 6421A20001 SOLENOID ASSY 552203-1 2A00393 VALVE SERVICE(3/8")
  • Page 84 Parts List(Outdoor Unit) Q/TY PART No. DESCRIPTION LM-1460H2L/M REMARK A/B UNIT 2H02079 BASE ASSY(OUTDOOR) 5403AR6027 CONDENSER ASSY, BENT 4A01556 HOLDER(COND) 5417A90002 COMPRESSOR ASSY 4830AR4335 ISOLATOR, COMP 6750U-L027A O.L.P 3350U-L004A COVER, TERMINAL 4986U-L001G GASKET 4986U-L002A SPRING 4H00947 NUT, HEXAGON FLANGE 4H01811 BRACKET, WASHER 1NHA0801206 NUTS HEXAGON[1]...
  • Page 85 7. Outdoor Unit (LM-1963C2L/M, LM-2163C2L/M ) - 85 -...
  • Page 85 7. Outdoor Unit (LM-1963C2L/M, LM-2163C2L/M ) - 85 -...
  • Page 86 Parts List(Outdoor Unit) Q/TY LOCATION REMARK PART No. DESCRIPTION LM-1963C2L/M LM-2163C2L/M 430411 3041AP2741 BASE ASSY(OUTDOOR) 554031 5403AP2740 CONDENSER ASSY, BENT 5417AR2681 COMPRESSOR ASSY 554160-1 2520UMAP2KA COMPRESSOR ASSY 554160-2 2520UKPP2BA COMPRESSOR ASSY 4984AR4361 ISOLATOR, COMP 550140-1 4H00982 ISOLATOR, COMP 550140-2 4984AR4361 ISOLATOR, COMP 6750U-L002A O.L.P.
  • Page 86 Parts List(Outdoor Unit) Q/TY PART No. DESCRIPTION REMARK LM-1963C2L/M LM-2163C2L/M 3041AP2741 BASE ASSY(OUTDOOR) 5403AP2740 CONDENSER ASSY, BENT 4A01556 HOLDER, COND 5417AR2681 COMPRESSOR ASSY 5416A20003 COMPRESSOR ASSY 5417AR2681 COMPRESSOR ASSY 4984AR4361 ISOLATOR, COMP 4H00982 ISOLATOR, COMP 4984AR4361 ISOLATOR, COMP 4986U-L001G GASKET 4986U-L004A GASKET 4986U-L001G...
  • Page 87 8. Outdoor Unit (LM-1963H2L/M, LM-2163H2L/M ) - 87 -...
  • Page 87 8. Outdoor Unit (LM-1963H2L/M, LM-2163H2L/M ) - 87 -...
  • Page 88 Parts List(Outdoor Unit) Q/TY LOCATION REMARK PART No. DESCRIPTION LM-1963H2L/M LM-2163H2L/M 430411 3041AP2741 BASE ASSY(OUTDOOR) 554031 5403AP2740 CONDENSER ASSY, BENT 2520UKRP2CA COMPRESSOR ASSY 554160-1 2520UMAP2KA COMPRESSOR ASSY 554160-2 2520UKRP2CA COMPRESSOR ASSY 4H00982 ISOLATOR, COMP 550140-1 4984AR4361 ISOLATOR, COMP 550140-2 4984AR4361 ISOLATOR,COMP 567502-1 6750U-L005A...
  • Page 88 Parts List(Outdoor Unit) Q/TY PART No. DESCRIPTION REMARK LM-1963H2L/M LM-2163H2L/M 3041AP2741 BASE ASSY(OUTDOOR) 5403AP2740 CONDENSER ASSY, BENT 4A01556 HOLDER,COND 2H02229 COMPRESSOR ASSY 5416A20003 COMPRESSOR ASSY 2H02229 COMPRESSOR ASSY 4H00982 ISOLATOR, COMP 4984AR4361 ISOLATOR, COMP 4984AR4361 ISOLATOR,COMP 3096AR2989 SOUND PROOF 4986U-L001B GASKET 4986U-L004A GASKET...
  • Page 89 Q/TY PART No. DESCRIPTION REMARK LM-1963H2L/M LM-2163H2L/M 3A00093 TERMINAL BLOCK 3H00390 TERMINAL BLOCK 3H00390 TERMINAL BLOCK 4681A20013 MOTOR ASSY, AC 1A00195 FAN ASSY, PROPELLER 1WPA0800014 WASHER, PLAIN 1NHA0801206 NUTS HEXAGON[1] 4948AP2527 ORIFICE 3721A20004 PANEL ASSY, FRONT 3530A20007 GRILLE ASSY, DISCHARGE 4960AP1361 MOUNT MOTOR 3H03266...
  • Page 89 9. Outdoor Unit (LM-2064C3L/M, LM-2561C3L/M) - 89 -...
  • Page 90 9. Outdoor Unit (LM-2064C3L/M) - 90 -...
  • Page 90 Parts List(Outdoor Unit) Q/TY LOCATION REMARK PART No. DESCRIPTION LM-2064C3L/M LM-2561C3L/M 430411 3041AP2741 BASE ASSY(OUTDOOR) 554031 5403AP2740 CONDENSER ASSY, BENT 554160-1 2H02229 COMPRESSOR ASSY 554160-2 5417AR2760 COMPRESSOR ASSY 550140-1 4830AR4335 ISOLATOR,COMP 550140-2 4983AR4361 ISOLATOR ,COMP 567502-1 6750U-L010A O.L.P. 567502-2 6750U-L040A O.L.P.
  • Page 91 Parts List(Outdoor Unit) Q/TY PART No. DESCRIPTION REMARK LM-2064C3L/M 3041AP2741 BASE ASSY(OUTDOOR) 5403AP2740 CONDENSER ASSY, BENT 4A01556 HOLDER,COND 2H02229 COMPRESSOR ASSY 5417AR2760 COMPRESSOR ASSY 3096AR2989 SOUND PROOF 4830AR4335 ISOLATOR,COMP 4983AR4361 ISOLATOR ,COMP 4986U-L001B GSAKET 4986U-L001G GSAKET 6750U-L010A O.L.P. 6750U-L040A O.L.P. 4790U-L002A SPRING 3550U-L002D...
  • Page 91 10. Outdoor Unit (LM-2063H3L/M) - 91 -...
  • Page 92 10. Outdoor Unit (LM-2063H3L/M) - 92 -...
  • Page 92 Parts List(Outdoor Unit) Q/TY LOCATION REMARK PART No. DESCRIPTION LM-2063H3L/M 430411 3041AP2741 BASE ASSY(OUTDOOR) 554031 5403AP2740 CONDENSER ASSY, BENT 554160-1 2520UKHP2LA COMPRESSOR ASSY 554160-2 2520UMAP2KA COMPRESSOR ASSY 550140-1 4984AR4361 ISOLATOR,COMP 550140-2 4H00982 ISOLATOR,COMP 567502 6750U-L005A O.L.P. 552202-1 5220AR3084 VALVE REVERSING 552202-2 3A02027 VALVE REVERSING...
  • Page 93 Parts List(Outdoor Unit) Q/TY PART No. DESCRIPTION REMARK LM-2063H3L/M 3041AP2741 BASE ASSY(OUTDOOR) 5403AP2740 CONDENSER ASSY, BENT 4A01556 HOLDER,COND 2H02229 COMPRESSOR ASSY 5416A20003 COMPRESSOR ASSY 4984AR4361 ISOLATOR,COMP 4H00982 ISOLATOR,COMP 4986U-L001B GASKET 6750U-L010A O.L.P. 3550U-L002D COVER,TERMINAL 4986U-L004A GASKET 6750U-L005A O.L.P. 3550U-L005A COVER,TERMINAL 4H00947 NUT, HEXAGON FLANGE 4810AR4155...
  • Page 93 11. Outdoor Unit (LM-3063H3L/M) - 93 -...
  • Page 94 Q/TY PART No. DESCRIPTION REMARK LM-2063H3L/M 4948AP2527 ORIFICE 3721A20004 PANEL ASSY, FRONT 3530A20007 GRILLE ASSY, DISCHARGE 4960AP1361 MOUNT MOTOR 3H03266 COVER ASSY, TOP 4791A30004 BARRIER ASSY, OUTDOOR 3551A30028 COVER ASSY, CONTROL 4H01050 CLIP 4H2958 CLAMP, CORD 6871A20031 PWB(PCB) ASSY, MAIN 6323A20002 THERMISTOR ASSY 6171AQ3198...
  • Page 94 Parts List(Outdoor Unit) Q/TY LOCATION REMARK PART No. DESCRIPTION LM-3063H3L/M 430411 3041AP2741 BASE ASSY(OUTDOOR) 554031 6140AP2096 CONDENSER ASSY, BENT 554160-1 5417AR2760 COMPRESSOR ASSY 554160-2 2H02564 COMPRESSOR ASSY 550140-1 4830AR4335 ISOLATOR,COMP 550140-2 5040AR9417 RUBBER,GROMMET 567502 6750U-L040A O.L.P. 552202 3A02027 VALVE REVERSING 561410-1 6141AR3509 COIL ASSY, REVERSING VALVE...
  • Page 95 11. Outdoor Unit (LM-3063H3L/M) - 95 -...
  • Page 95 12. Outdoor Unit (LM-3063C3L/M) - 95 -...
  • Page 96 Parts List(Outdoor Unit) Q/TY LOCATION REMARK PART No. DESCRIPTION LM-3063C3L/M 430411 3041AP2741 BASE ASSY(OUTDOOR) 554031 6140AP2096 CONDENSER ASSY, BENT 554160-1 2520UKVP2FA COMPRESSOR ASSY 554160-2 2H02564 COMPRESSOR ASSY 550140-1 4830AR4335 ISOLATOR,COMP 550140-2 5040AR9417 RUBBER,GROMMET 567502 6750U-L040A O.L.P. 551410 6421A20001 SOLENOID ASSY 552203-1 2H01890 VALVE SERVICE(1/2)
  • Page 96 Parts List(Outdoor Unit) Q/TY PART No. DESCRIPTION REMARK LM-3063H3L/M 3041AP2741 BASE ASSY(OUTDOOR) 6140AP2096 CONDENSER ASSY, BENT 4A01556 HOLDER,COND 5417AR2760 COMPRESSOR ASSY 2H02564 COMPRESSOR ASSY 4830AR4335 ISOLATOR,COMP 5040AR9417 RUBBER,GROMMET 4810AR4155 BRACKET,WASHER 6750U-L040A O.L.P. 4986U-L001G GASKET 4790U-L002A SPRING 3550U-L002D COVER,TERMINAL 4986AR9412 GASKET 3550AR9411 COVER,TERMINAL 4H00947...
  • Page 97 January, 2005 Printed in Korea P/No.: 3828A30074C...
  • Page 97 Q/TY PART No. DESCRIPTION REMARK LM-3063H3L/M 1A00197 PANEL ASSY, FRONT 3530A20007 GRILLE ASSY, DISCHARGE 1A00206 MOUNT MOTOR 3H03266 COVER ASSY, TOP 4791A30004 BARRIER ASSY, OUTDOOR 3551A30028 COVER ASSY, CONTROL 4H01050 CLIP 4H2958 CLAMP, CORD 6871A20031 PWB(PCB) ASSY, MAIN 6323A20002 THERMISTOR ASSY 6171AQ3198 TRANSFORMER POWER 3Q35027...

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