LG LS-M3021CL Service Manual
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LG LS-M3021CL Service Manual

Room air conditioner
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Room Air Conditioner

SERVICE MANUAL

CAUTION
-BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
-ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODELS : LS-M3021CL/AL
LS-M3060HL/CL/AL/BL
LS-M3061HL/CL/BL/AL
LS-M3063CL
LS-M3064HL/CL/DL/EL/DM/EM
LS-M3221HL/CL/BL/AL
LS-N3621CL/AL
LS-N3660HL/CL/AL/BL
LS-N3661HL/CL/AL/BL
LS-N3664EL
LS-N3821HL/CL/BL/AL
LS-M306LCL/LDL
LS-M306LHL/LEL
LS-C366NLD0
LS-H366NLD0/NMD0
LS-N3621BL/HL
LS-C366NLA0
LS-C366NLB0
http://www.LGEservice.com/techsup.html

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Summary of Contents for LG LS-M3021CL

  • Page 1: Room Air Conditioner

    WEBSITE http://biz.LGservice.com E-MAIL http://www.LGEservice.com/techsup.html Room Air Conditioner SERVICE MANUAL CAUTION -BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -ONLY FOR AUTHORIZED SERVICE PERSONNEL. MODELS : LS-M3021CL/AL LS-M3060HL/CL/AL/BL LS-M3061HL/CL/BL/AL LS-M3063CL LS-M3064HL/CL/DL/EL/DM/EM LS-M3221HL/CL/BL/AL LS-N3621CL/AL LS-N3660HL/CL/AL/BL LS-N3661HL/CL/AL/BL LS-N3664EL LS-N3821HL/CL/BL/AL LS-M306LCL/LDL...

  • Page 2: Table Of Contents

    Contents Functions ..........................3 Product Specifications ......................5 Dimensions ..........................8 Refrigeration Cycle Diagram ....................11 Pipe Length and the Elevation .....................12 Wiring Diagram ........................13 Operation Details ........................15 Display Function ........................22 Self-diagnosis Function ......................22 Installation ..........................23 Operation ..........................39 Disassembly of the parts (Indoor Unit) ................41 3-way Valve ..........................49 Cycle Troubleshooting Guide ....................54 Electronic Parts Troubleshooting Guide ................55...

  • 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 sec 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 TEMPERATURE HIGH Down to 18°C...

  • Page 5: Product Specifications

    LS-M306LHL LS-M306LCL Model Name LS-M3064HL LS-M3061CL/AL LS-M3064CL LS-M3061HL/BL LS-M306LEL LS-M306LDL (LS-M3064EL) LS-M3221CL/AL (LS-M3064DL) LS-M3063CL LS-M3060HL LS-M3060CL LS-M3221HL/BL Unit Item LS-M3064EM LS-M3021CL/AL LS-M3064DM LS-M3060BL LS-M3060AL 28,000(7,056)/ 28,000(7,056)/ 28,000(7,056) 28,000(7,056) 28,000(7,056) 28,000 28,000(7,056) BTU/h(kcal/h) 32,000(8,064) 32,000(8,064) Cooling Capacity 8,205 8,205/9,377 8,205 8,205...

  • Page 6: Model Name

    Product Specifications (36K, 38K) Model Name LS-N3660HL LS-N3661HL/BL LS-N3660CL LS-N3661CL LS-N3821HL LS-N3821CL LS-N3621CL/AL LS-N3660BL LS-N3664EL LS-N3660AL LS-N3661AL LS-N3821BL LS-N3821AL Unit Item 36,000(9,073) 36,000(9,073) 36,000(9,073) 36,000(9,073) 38,000(9,557) 38,000(9,577) 36,000(9,073) BTU/h(kcal/h) Cooling Capacity 10,549 10,549 10,549 10,549 11,135 11,135 10,549 36,000(9,073) 36,000(9,073) 3,800(9,577) BTU/h(kcal/h) Heating Capacity...
  • Page 7 Product Specifications (36K) Model Name LS-C366NLD0 LS-N3621BL LS-C366NLA0 LS-H366NLD0 LS-H366NMD0 LS-N3621HL Unit Item LS-C366NLB0 36,000(9,073) 36,000(9,073) 36,000(9,073) 35,000(8,817) BTU/h(kcal/h) Cooling Capacity 10549 10549 10549 10254 36,000(9,073) 36,000(9,073) 35,000(8,817) BTU/h(kcal/h) Heating Capacity 10549 10549 10254 Moisture Removal Power Source Ø, V, Hz 1ø, 220-240V, 50Hz 1ø, 220-240V, 50Hz 1ø, 220-240V, 50Hz...

  • Page 8: Dimensions

    Dimensions (1) Indoor Unit Tubing hole cover Tubing hole cover Tubing hole cover Tubing hole cover Tubing hole cover Installation plate Installation plate Installation plate Tubing hole cover Model SM CHASSIS SN CHASSIS Dimension 1,259 1,499 - 8 -...
  • Page 9 (2) Outdoor Unit Gas side 3-way valve Liquid side 3-way valve MODEL 30K, 32K SERIES 74.5 - 9 - - 9 -...
  • Page 10 36K SERIES 4-ø12Hole (Air intake vent) (Air intake vent) - 10 -...

  • Page 11: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram (1) Cooling Only Models INDOOR UNIT OUTDOOR UNIT LIQUID SIDE CAPILLARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) GAS SIDE COMPRESSOR (2) Cooling & Heating Models INDOOR UNIT OUTDOOR UNIT CHECK VALVE LIQUID SIDE (Heating Model only) 3-WAY VALVE CAPILLARY TUBE HEAT...

  • Page 12: Pipe Length And The Elevation

    Pipe length and the elevation Pipe Size Standard Max. Max. Additional Capacity Length Elevation Length Refrigerant (Btu/h) LIQUID B (m) A (m) (g/m) 30k/32k 5/8" 3/8" (50Hz, 60Hz) 36k/38k 3/4" 3/8" (50Hz, 60Hz) Outdoor unit Outdoor unit Oil trap Indoor unit Indoor unit In case more than 5m CAUTION...

  • Page 13: Wiring Diagram

    Wiring Diagram • 30K, 32K (1) Indoor Unit LS- M3060HL/CL/AL/BL, LS-M3061HL/CL/BL/AL LS- M3064HL/CL/DL/DM/EM, LS-M3063CL LS- M3221HL/CL/BL/AL, LS-M3021CL/AL CN-MOTOR TRIAC MOTOR SH-CAPA. (Outdoor Unit - Continued) THERMISTOR STEP MOTOR LS-M3021AL, LS-M3061CL/AL (UP/DOWN) H.V.B ASM CAPACITOR CN-POWER OUTDOOR PCB STEP MOTOR COMP...
  • Page 14 • 36K, 38K (1) Indoor Unit LS-C366NLB0 LS-N3660HL/CL/AL/BL, LS-N3661HL/CL/AL/BL LS-N3821HL/CL/BL/AL, LS-N3621CL/AL LS-N3664EL/LS-N3621BL/LS-C366NLD0/LS-H366NLD0 LS-C366NLA0/LS-C366NLB0/LS-H366NMD0/LS-N3621HL CN-MOTOR TRIAC MOTOR SH-CAPA. OUTDOOR WIRING DIAGRAM 3854A20051Z THERMISTOR LS-N3664EL/LS-H366NMD0 STEP MOTOR (UP/DOWN) BK(BR) BK(BR) BK(BR) H.V.B ASM BK(BR) CN-POWER WH(BL) STEP MOTOR WH(BL) 52F1 (L/R) FUSE AC250V/T2A Negative ion LIMITS S/W...

  • Page 15: Operation Details

    Operation Details 1. MAIN UNIT FUNCTION • DISPLAY 1) C/O Model (high quality LCD remote controller supplied) Operation Indicator • On while in appliance operation, off while in appliance pause Timer Indicator • On while in timer mode (on/off) and in sleep timer mode, off when timer mode is completed or canceled. Comp.
  • Page 16 I Healthy Dehumidification Mode • When the dehumidification operation input by the remote controller is received, the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature. 26°C ≤ Intake Air Temp =>...
  • Page 17 26°C ≤ Intake Air Temp => 25°C 24°C ≤ Intake Air Temp<26°C => Intake Air Temp+1°C 22°C ≤ Intake Air Temp<24°C => Intake Air Temp+0.5°C 18°C ≤ Intake Air Temp<22°C => Intake Air Temp Intake Air Temp<18°C => 18°C • When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule.
  • Page 18 Compressor ON Temp => Setting Temp+0.5°C Compressor OFF Temp => Setting Temp+0.5°C • At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the intake air temp at that time. 26°C ≤ Intake Air Temp =>...
  • Page 19 I Off-Timer <=> On-Timer Operation • When the set time is reached after the on/off time is input by the remote controller, the on/off-timer operation is carried out according to the set time. I Sleep Timer Operation • When the sleep time is reached after <1,2,3,4,5,6,7,0(cancel) hr> is input by the remote controller while in appliance operation, the operation of the appliance stops.
  • Page 20 • Operation Mode that is kept on the memory - State of Operation ON/OFF - Operation Mode/Setting Temp/Selected Airflow Speed - Sleep Timer Mode/Remaining Time of Sleep Timer (unit of hour) I Forced Operation ( C/O Model) • To operate the appliance by force in case that the remote controller is lost, the forced operation button is on the main unit of the appliance to operate the appliance in the standard conditions.
  • Page 21 I Air Cleaner Operation • When an air cleaner function is selected during Air Conditioner operation - Plasma air cleaner function will be operated while in any operation mode with selecting the function. - The function is to be stopped while it is operating with selecting the function. •...

  • Page 22: Display Function

    Display Function Signal Receptor Receives the signals from the remote control.(Signal receiving sound: two short beeps or one long beep.) Operation Indication Lamps On/Off : Lights up during the system operation. Timer or Sleep Mode : Lights up during Timer operation or Sleep mode. Defrost Mode : Lights up during Defrost Mode or Hot Start operation.

  • Page 23: Installation

    Installation Read completely, then follow step by step. 1. Installation of Indoor, Outdoor unit 1) Select the best location More than 60cm 1. Indoor unit I Do not have any heat or steam near the unit. More than 10cm More than 10cm I Select a place where there are no obstacles in front of the unit.
  • Page 24 3) How to fix installation plate 4) Drill a hole in the wall I Drill the piping hole with a ø70mm hole core drill. The wall you select should be strong and solid enough to prevent vibration Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side.

  • Page 25: Flaring Work And Connection Of Piping

    2. Flaring Work and Connection of Piping 1) Flaring work 4. Flaring work I 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 follow- ing procedure.
  • Page 26 2) Connection of piping-Indoor CAUTION When install, make sure that the 1. Remove the 2 screws of right side panel. remaining parts must be removed clearly so as not to damage the piping and drain Right side panel hose, especially power cord and connecting cable.
  • Page 27 3. Tape the tubing, drain hose and the connecting 3. Tape the tubing, drain hose and the connecting 5. Connecting the pipings to the indoor unit and drain cable. Be sure that the drain hose is located at the cable. Be sure that the drain hose is located at the hose to drain pipe.
  • Page 28 6. Wrap the insulation material around the connecting For right rear piping portion. I Overlap the connection pipe insulation material and 1. Route the indoor tubing and the drain hose to the the indoor unit pipe insulation material. Bind them required piping hole position.
  • Page 29 I When extending the drain hose at the indoor unit, 5. Indoor unit installation install the drain pipe. I Hook the indoor unit onto the upper portion of the installation plate.(Engage the three hooks of the rear top and rear lower of the indoor unit with the upper edge and lower edge of the installation Drain hose plate.) Ensure that the hooks are properly seated...
  • Page 30 I Bundle the piping and drain hose together by 9. Reinstall the parts to the original position. wrapping them with cloth tape over the range I Refix the lower panel to the original position. within which they fit into the rear piping housing section.

  • Page 31: Outdoor Unit

    3) Connection of the drain hose 4) Connection of piping-Outdoor I The drain hose can be connected at two different positions. Use the most convenient position and, if 1. Align the center of the pipings and sufficiently tighten the flare nut by hand. necessary, exchange the position of the drain pan, rubber cap and the drain hose.
  • Page 32 3. Connecting the cable between indoor unit and outdoor unit 1) Connect the cable to the Indoor unit. CAUTION I Connect the cable to the indoor unit by connect- The power cord connected to the outdoor unit ing the wires to the terminals on the control should be complied with the following board individually according to the outdoor unit specifications (Rubber insulation, type H05RN-F...
  • Page 33 Outdoor Unit 2) Connect the cable to the outdoor unit Terminal block 1. Remove the control cover from the unit by loosen- Over 5mm ing the screw. Connect the wires to the terminals on the control Connecting cable board individually. 2.
  • Page 34 1) Checking the drainage 1. Remove the right side panel. 4. To check the drainage. I Pour a glass of water on the drain pan. I Ensure the water flows through the drain hose of Right side panel the indoor unit without any leakage and goes out the drain exit.
  • Page 35 2) Form the piping 3. In cases where the Outdoor unit is installed above the Indoor unit perform the following. 1. Form the piping by wrapping the connecting por- I Tape the piping and connecting cable from down tion of the indoor unit with insulation material and to up.

  • Page 36: Air Purging

    I Do a leak test of all joints of the tubing(both indoor 4. AIR PURGING and outdoor) and both gas and liquid side service valves. 1) Air purging Bubbles indicate a leak. Be sure to wipe off the Air and moisture remaining in the refrigerant system soap with a clean cloth.
  • Page 37 Soap water method Gas side (1) Remove the caps from the gas side and liquid side valves. (2) Remove the service-port cap from the gas side valve. (3) To open the gas side valve turn the valve stem counter- clockwise approximately 90°, wait for about 2~3 sec, and close it.

  • Page 38: Test Running

    5. TEST RUNNING 3. Ensure the difference between the intake temper- ature and the discharge is more than 8°C 1. Check that all tubing and wiring have been prop- (Cooling) or reversely (Heating). erly connected. 2. Check that the gas and liquid side service valves Intake temperature are fully open.

  • Page 39: Operation

    Operation I Name and Function-Remote Control START/STOP BUTTON Remote Control Operation starts when this button is pressed and stops when the button is pressed again. Signal transmitter ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature. Transmits the signals INDOOR FAN SPEED SELECTOR to the room air conditioner.

  • Page 40: Operation Mode

    I Name and Function-Remote Control Remote Control START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. Signal transmitter OPERATION MODE SELECTION BUTTON Used to select the operation mode. Transmits the signals to the room air conditioner. ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature.

  • Page 41: Disassembly Of The Parts (Indoor Unit)

    Disassembly of the parts (Indoor unit) I LS-M3060HL, LS-M3060CL, LS-M3060BL, LS-N3660HL, LS-N3660CL, LS-N3660BL Warning : Right side panel Disconnect the unit from power supply before making any checks. Be sure the power switch is set to “OFF”. 1. To remove the Grille from the Chassis. –...
  • Page 42 š Remove the grille from the chassis. • Remove the 4 securing screws.(30K, 32K) • Remove the 5 securing screws.(36K, 38K) • To remove the Grille, pull the lower left and right side of the grille toward you (slightly tilted) and lift it straight upward.
  • Page 43 3. To remove the Control Box. Screw • Remove the 5 securing screws. • Pull the control box out from the chassis carefully. 4. To remove the Discharge Grille. • Remove the 3 securing screw. • Pressing the right side of the discharge grille downward slightly, unhook the discharge grille.
  • Page 44 6. To remove the Fan motor • Loosen the screw securing the cross-flow fan to the fan motor (do not remove). Fan motor Screw • Loosen the screw securing the mount motor. Screw Mount motor • Separate the fan motor from the cross-flow fan. •...
  • Page 45 I LS-M3060HL/CL/BL, LS-M3061HL/CL/BL/AL, LS-M3064HL/CL, LS-M3221HL/CL/BL/AL LS-N3660HL/CL/BL, LS-N3661HL/BL/CL, LS-N3821HL/CL/BL/AL Warning : Right side panel Disconnect the unit from power supply before making any checks. Be sure the power switch is set to “OFF”. 1. To remove the Grille from the Chassis. –...
  • Page 46 š Remove the grille from the chassis. • Remove the 4 securing screws.(30K, 32K) • Remove the 5 securing screws.(36K, 38K) • To remove the Grille, pull the lower left and right side of the grille toward you (slightly tilted) and lift it straight upward.
  • Page 47 3. To remove the Control Box. • Remove the 5 securing screws. Screw • Pull the control box out from the chassis carefully. 4. To remove the Discharge Grille. • Remove the 3 securing screw. • Pressing the right side of the discharge grille downward slightly, unhook the discharge grille.
  • Page 48 6. To remove the Fan motor • Loosen the screw securing the cross-flow fan to the fan motor (do not remove). Fan motor Screw • Loosen the screw securing the mount motor. Screw Mount motor • Separate the fan motor from the cross-flow fan. •...

  • Page 49: 3-Way Valve

    3-way Valve 1. Pump down Liquid side Indoor unit Outdoor unit Open 3-Way valve Gas side Closed 3-Way valve CLOSE CLOSE Purge the air • Procedure (6) Operate the air conditioner in cooling mode (1) Confirm that both liquid side and gas side and stop it when the gauge indicates valves are set to the open position.

  • Page 50: Re-Air Purging

    1) Re-air purging (Re-installation) Liquid side Indoor unit Closed Outdoor unit 3-Way valve Gas side Closed 3-Way valve Gas cylinder OPEN CLOSE • Procedure (6) Disconnect the charge set and the gas cylin- (1) Confirm that both the liquid side valve and the der, and set the Liquid side and Gas side gas side valve are set to the closed position.
  • Page 51 2) Balance refrigerant of the 3-way valve (Gas leakage) Liquid side Indoor unit Outdoor unit 3-Way valve Open Gas side 3-Way valve Open OPEN CLOSE • Procedure (1) Confirm that both the liquid side and gas side (3) Open the valve (Lo side) on the charge set and valves are set to the back seat.
  • Page 52 2. Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit 3-Way valve Open Gas side 3-Way valve Open Vacuum pump OPEN CLOSE • Procedure (1) Connect the vacuum pump to the center hose (3) Close the valve (Lo side) on the charge set, of charge set center hose turn off the vacuum pump, and confirm that the gauge needle does not move...

  • Page 53: Gas Charging

    3. Gas Charging (After Evacuation) Liquid side Indoor unit Open Outdoor unit 3-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 54: 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 55: 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 56 2. The product is not operate with the remote controller. Turn on Main Power While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. When 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 57: Compressor/Outdoor Fan Are Unable To Drive

    3. Compressor/Outdoor Fan are unable to drive. 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 tempera- ture of Heat Exchanger(EVA).
  • Page 58 4. When indoor Fan does not operate. Turn off Main power Check the connection of CN-MOTOR Check the Fan Motor Check the Fuse(AC250V/T2A) Check the related circuit of indoor Fan Motor. • The pin NO 63 of Micom, and the part for driving TRIAC(the input and output signal of IC01M, PIN NO 2, 15) •...
  • Page 59 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 60 Check the connector of intake and pipe sensor(thermistors) • Check the related circuit of R02H(12.1K), R04H(6.2K), R03H(1.0K), Micom(No. 3, 4). • Check the indoor room temperature is disconnected or not (about 10KΩ/at 25°C). • Check the indoor pipe temperature is disconnected or not (about 5KΩ/at 25°C).

  • Page 61: Electronic Control Device

    Electronic Control Device (1) INDOOR UNIT P.W.B. ASSEMBLY P/No.: 6871A10012 (PCB ASSEMBLY, MAIN) - 61 -...
  • Page 62 (2) OUTDOOR UNIT P.W.B. ASSEMBLY MODEL SOFT-STARTER LS-M3060HL LS-M3061HL/BL LS-M3064HL LS-M3221HL/BL LS-M3060CL/AL LS-M3061CL/AL LS-M3064CL/DL, LS-M3063CL LS-M3064EL/DL/DM/EM LS-M3221CL/AL, LS-M3021CL/AL LS-N3660HL LS-N3661HL/BL LS-N3821HL/BL LS-N3660CL/AL LS-N3661CL/AL LS-N3664EL LS-N3821CL/AL, LS-N3621CL/AL LS-C366NLD0, LS-H366NLD0 LS-N3621BL/HL LS-C366NLA0, LS-C366NLB0 LS-H366NMD0 - 62 -...
  • Page 63 (3) DISPLAY P.W.B. ASM I Model: LS-M3061HL/3064HL/3064DL/3221HL/3221BL/3061CL/3064CL/3221CL/3221AL/3021CL/3021AL/3061AL/3061BL, LS-N3661HL/3821HL/3661CL/3661AL/3661BL/3821CL/3621CL/3621AL/3664EL/3064EL/3064DL/3821AL/3821BL LS-C366NLD0/LS-H366NMD0/LS-H366NLD0/LS-N3621BL/LS-C366NLA0/LS-C366NLB0/LS-N3621HL/LS-M3064DM/EM I Model: LS-M3060HL/3060CL/3060BL/3060AL, LS-N3660HL/3660CL/3660BL/3660AL - 63 -...

  • Page 64: Schematic Diagram

    Schematic Diagram (1) Heat Pump/Cooling Only Series(Indoor Unit) - 64 -...
  • Page 65 (2) Heat Pump Series (Outdoor Unit) I Model: LS-M3060HL/3061HL/3221HL/3221BL/3061BL/3060BL - 65 -...
  • Page 66 (2) Heat Pump Series (Outdoor Unit) I Model: LS-M3064HL/M3064EL/M3064EM - 66 -...
  • Page 67 (2) Heat Pump Series (Outdoor Unit) I Model: LS-N3660HL/3821HL/3821BL/3661HL/3661BL/3660BL, LS-H366NLD0, LS-H366NMD0 LS-N3621BL/HL - 67 -...
  • Page 68 (2) Cooling Only Series (Outdoor Unit) I Model: LS-M3060CL/3060AL/3061CL/3221CL/3221AL/3021CL/3021AL/3061AL - 68 -...
  • Page 69 (2) Cooling Only Series (Outdoor Unit) I Model: LS-M3064CL/3064DL/3063CL/3064DL/3064DM - 69 -...
  • Page 70 (2) Heat Pump Series (Outdoor Unit) I Model: LS-N3660CL/3660AL/LS-C366NLA0/LS-C366NLB0 - 70 -...
  • Page 71 (2) Heat Pump Series (Outdoor Unit) I Model: LS-N3821CL/3621CL/3621AL/3821AL, LS-C366NLD0 - 71 -...

  • Page 72: Exploded View And Replacement Parts List

    Exploded View and Replacement Parts List 1. Indoor Unit I Models: 30K, 32K SERIES 733010 342801 131410 352391 359011-1 131411 342800 159830 135311 131412 359011-2 346810 146811-2 352392 135301 354212 35211B 268714 266090 352150 146811-1 159901 263230 135313-1 141313 135313-2 W0CZZ 249951 267110...
  • Page 73 QUANTITY LOCATION LS-M3064CL LS-M3064HL LS-M3060CL LS-M3061CL PART NO DESCRIPTION REMARKS LS-M3064EL LS-M3061HL LS-M3060HL [LS-M3221CL] LS-M3060AL (LS-M3064DL) < LS-M3021CL > (LS-M3221HL) LS-M3063CL (LS-M3021AL) 352391 5239A10001A AIR GUIDE ASSEMBLY 352392 5239A10001B AIR GUIDE ASSEMBLY 5421A20057A 354212 EVAPORATOR ASSEMBLY, FINAL 5421A20057C 6871A20108A 268712...
  • Page 74 Parts List(Indoor) PART NO. LOCATION DESCRIPTION REMARKS LS-M3221AL LS-M3221BL LS-M3061AL LS-M3061BL LS-M3060BL 131410 CHASSIS ASSEMBLY 3141A10001B 3141A10001B 3141A10001B 3141A10001B 3141A10001B 135311 GRILLE ASSEMBLY, DISCHARGE(INDOOR) 3531A10056C 3531A10056C 3531A10056C 3531A10056B 3531A10056B 135315 GRILLE ASSEMBLY, FRONT(INDOOR) 3531A10057Q 3531A10057R 3531A10057B 3531A10057A 3531A10057A 135312 GRILLE ASSEMBLY, FRONT(INDOOR) 3531A10058A 3531A10058A 3531A10058A 3531A10058A 3531A10058A 135313-1 GRILLE ASSEMBLY, INLET...
  • Page 75 Parts List(Indoor) PART NO. LOCATION DESCRIPTION REMARKS LS-M306LCL LS-M306LDL LS-M306LHL LS-M306LEL 131410 CHASSIS ASSEMBLY 3141A10001B 3141A10001B 3141A10001B 3141A10001B 135311 GRILLE ASSEMBLY,DISCHARGE(INDOOR) 3531A10056H 3531A10056C 3531A10056H 3531A10056C 135315 GRILLE ASSEMBLY,FRONT(INDOOR) 3531A10057V 3531A10057K 3531A10057W 3531A10057L 135312 GRILLE ASSEMBLY,FRONT(INDOOR) 3531A10058R 3531A10058H 3531A10058R 3531A10058J 135313-1 GRILLE ASSEMBLY,INLET 3531A10060K 3531A10060D...
  • Page 76 I Models: 36K SERIES 733010 342801 131410 352391 359011 131411 342800 159830 135311 131412 146811-2 359012 352392 346811 135301 135311 159901 249951 354212 352150 135313-1 268714 266090 146811-3 135313-3 146811-1 263230 135313-2 W0CZZ 131414 267110 152302-1 141313 152302-1 135314 135315 152313 135312 268712...
  • Page 77 Parts List(Indoor) QUANTITY LOCATION LS-N3660CL LS-N3821CL PART NO DESCRIPTION REMARKS LS-N3660HL LS-N3660AL LS-N3821HL LS-N3621CL LS-N3664EL (LS-N3661HL) (LS-N3661CL) (LS-N3621AL) LS-N3661AL 352391 5239A10001A AIR GUIDE ASSEMBLY 4975A10001B 352392 AIR GUIDE ASSEMBLY 5239A10001D 5421A20057A 354212 5421A20057B EVAPORATOR ASSEMBLY, FINAL 5421A20057D 268712 6871A20108B PWB(PCB) ASSEMBLY, DISPLAY 3141A10001B 131410 CHASSIS ASSEMBLY...
  • Page 78 Parts List(Indoor) QUANTITY LOCATION LS-N3660CL LS-N3821CL PART NO DESCRIPTION REMARKS LS-N3660HL LS-N3660AL LS-N3821HL LS-N3621CL LS-N3664EL (LS-N3661HL) (LS-N3661CL) (LS-N3621AL) LS-N3661AL 3301AR3316B 733010 PLATE ASSEMBLY, INSTALL 3301A10001A 4995A20133T 4995A20133R 4995A20133W 249951 CONTROL BOX ASSEMBLY, INDOOR 4995A20133L 4995A20133P 4995A20133N 4995A20183A 263230 6323A20002C THERMISTOR ASSEMBLY 342801 4280A20001A BEARING...
  • Page 79 Parts List(Indoor) PART NO. LOCATION DESCRIPTION REMARKS LS-N3821AL LS-N3821BL LS-N3661BL LS-N3660BL LS-M3064DM LS-M3064EM 131410 CHASSIS ASSEMBLY 3141A10001A 3141A10001A 3141A10001A 3141A10001A 3141A10001B 3141A10001B 131411 GUIDE ASSEMBLY 4975A20003A 4975A20003A 4975A20003A 4975A20003A 4975A20003A 4975A20003A 131412 GUIDE ASSEMBLY 4975A20001A 4975A20001A 4975A20001A 4975A20001A 4975A10001A 4975A10001A 131413 CHASSIS 3140A20002A 3140A20002A 3140A20002A 3140A20002A 3140A10001B 3140A10001B...
  • Page 80 Parts List(Indoor) PART NO. LOCATION DESCRIPTION REMARKS LS-N3621BL LS-C366NLD0 LS-H366NLD0 LS-C366NLA0 LS-C366NLB0 LS-N3621HL LS-H366NMD0 131410 CHASSIS ASSEMBLY 3141A10001A 3141A10001A 3141A10001A 3141A10001A 3141A10001A 3141A10001A 3141A10001A 135311 GRILLE ASSEMBLY,DISCHARGE(INDOOR) 3531A10056E 3531A10056E 3531A10056E 3531A10056D 3531A10056E 3531A10056G 3531A10056E 135312 GRILLE ASSEMBLY,FRONT(INDOOR) 3531A10058G 3531A10058G 3531A10058G 3531A10058D 3531A10058D 3531A10057U 3531A10058U 135313-1 GRILLE ASSEMBLY,INLET 3531A10060A 3531A10060A 3531A10060A...
  • Page 81 2. Outdoor Unit I Models: 30K, 32K SERIES 435512 137213-1 137213-2 437210 554031 552111 435511 549610 552102-1 552201 435301 W0CZZ-3 W0CZZ-1 552102-2 W0CZZ-2 546810 261704 263230 668711 559010 W6920 649950 552560 552116 552202 447910 561410 566000 554160 550140 552203-2 430410 552203-1 - 81 -...
  • Page 82 Parts List(Outdoor) PART NO. LOCATION DESCRIPTION REMARKS LS-M3060AL LS-M3060CL LS-M3021AL LS-M3021CL LS-M3063CL LS-M3064CL LS-M3064DL LS-M3061AL LS-M3061CL 137213-1 PANEL ASSEMBLY,SIDE 1A00202F 137213-2 PANEL ASSEMBLY,SIDE 3A02284U 261704 TRANSFORMER,POWER 6170A20004B 263230 THERMISTOR ASSEMBLY 430410 BASE ASSY,WELD[OUTDOOR] 3041A30003Y 435301 GRILLE,DISCHARGE 3530A20007B 435511 COVER ASSEMBLY,CONTROL(OUTDOOR)
  • Page 83 Parts List(Outdoor) PART NO. LOCATION DESCRIPTION REMARKS LS-M3060HL LS-M3064EL LS-M3221AL LS-M3221CL LS-M3061HL LS-M3221HL LS-M3064HL 137213-1 PANEL ASSEMBLY,SIDE 1A00202F 137213-2 PANEL ASSEMBLY,SIDE 3A02284U 261704 TRANSFORMER,POWER 6170A20004B 263230 THERMISTOR ASSEMBLY 3Q35015P 3Q35015P 430410 BASE ASSY,WELD[OUTDOOR] 3041A30003Y 435301 GRILLE,DISCHARGE 3530A20007B 435511 COVER ASSEMBLY,CONTROL(OUTDOOR) 3551A30061G 435512 COVER ASSEMBLY,TOP(OUTDOOR) 3H03266H...
  • Page 84 Parts List(Outdoor) PART NO. LOCATION DESCRIPTION REMARKS LS-M3221BL LS-M3061BL LS-M3060BL LS-M3064DM LS-M3064EM 137213 PANEL ASSEMBLY,SIDE 1A00202F 1A00202F 261704 TRANSFORMER, POWER 6170A20004B 6170A20004B 6170A20004B 6170A20004B 6170A20004B 263230 THERMISTOR ASSEMBLY 3Q35015P 3Q35015P 3Q35015P 6322AQ9189C 6322AQ9189C 430410 BASE ASSEMBLY,WELD(OUTDOOR) 3041A30003Y 3041A30003Y 3041A30003Y 3041A30003Y 3041A30003Y 430411 BASE ASSEMBLY,WELD[OUTDOOR] 3041A30003Y 3041A30003Y...
  • Page 85 Parts List(Outdoor) PART NO. LOCATION DESCRIPTION REMARKS LS-M306LCL LS-M306LDL LS-M306LHL LS-M306LEL 430410 BASE ASSEMBLY, WELD[OUTDOOR] 3041A30003Y 3041A30003Y 3041A30003Y 3041A30003Y 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 3A01919B 3551A30061G 3551A30061G 3551A30061G 435512 COVER ASSEMBLY, TOP(OUTDOOR) 3H03266H 3H03266H 3H03266H 3H03266H 447910 BARRIER ASSEMBLY, OUTDOOR 2A01043L 2A01043L 2A01043L 2A01043L...
  • Page 86 2. Outdoor Unit I Models: 36K, 38K SERIES 137213 435512-2 435511 559010 554031-1 435512-1 554031-2 546810 554031-3 435301 522201 649950 447910 649950 566000 430410 W0CZZ-3 552202 W0CZZ-1 552203-2 W0CZZ-2 554160 552203-1 263230 566001 - 86 -...
  • Page 87 Parts List(Outdoor) QUANTITY LOCATION LS-N3821CL PART NO DESCRIPTION REMARKS LS-N3660HL LS-N3660CL LS-N3660AL LS-N3821HL LS-N3621CL LS-N3664EL LS-N3661HL LS-N3661CL LS-N3661AL (LS-N3621AL) 137213 3A01055Z PANEL, SIDE 263230 3Q35015P THERMISTOR ASSEMBLY 6871A20105 268711 PCB ASSEMBLY 6871A20171A 430410 3A01517W BASE ASSEMBLY, WELD(OUTDOOR) 435511 3551A90001U COVER ASSEMBLY, CONTROL(OUTDOOR) 435512 3A01651A COVER ASSEMBLY, TOP(OUTDOOR)
  • Page 88 Parts List(Outdoor) PART NO. LOCATION DESCRIPTION REMARKS LS-N3821AL 261704 TRANSFORMER, POWER 6170A20004B 430410 BASE ASSEMBLY, WELD[OUTDOOR] 3A01517W 2A00273A 435512 COVER ASSEMBLY, TOP(OUTDOOR) 3A01651A 437210 PANEL ASSEMBLY, FRONT SUB 2A00251Z 437212 PANEL ASSEMBLY, REAR 2A00252Z 447910 BARRIER ASSEMBLY, OUTDOOR 4761A90001A 546810 MOTOR ASSEMBLY, OUTDOOR 2H00430J 550140...
  • Page 89 Parts List(Outdoor) PART NO. LOCATION DESCRIPTION REMARKS LS-N3821BL LS-N3661BL LS-N3660BL 261704 TRANSFORMER, POWER 6170A20004B 6170A20004B 6170A20004B 430410 BASE ASSEMBLY, WELD[OUTDOOR] 3A01517W 3A01517W 3A01517W 435512-1 COVER ASSEMBLY, TOP(OUTDOOR) 2A00273A 2A00273A 2A00273A 435512-2 COVER ASSEMBLY, TOP(OUTDOOR) 3A01651A 3A01651A 3A01651A 437210 PANEL ASSEMBLY, FRONT SUB 2A00251Z 2A00251Z 2A00251Z...
  • Page 90 Parts List(Outdoor) PART NO. LOCATION DESCRIPTION REMARKS LS-N3621BL LS-C366NLD0 LS-H366NLD0 LS-C366NLA0 LS-C366NLB0 LS-N3621HL LS-H366NMD0 137213 PANEL,SIDE 3A01055Z 3A01055Z 3A01055Z 3A01055Z 3A01055Z 3A01055Z 3A01055Z 261704 TRANSFORMER,POWER 6170A20004B 6170A20004B 6170A20004B 6170A20004B 6170A20004B 6170A20004B 6170A20004B 263230 THERMISTOR ASSEMBLY 3Q35015G 6323A20002C 3Q35015G 3Q35015G 3Q35015G 430410 BASE ASSEMBLY,WELD[OUTDOOR] 3A01517W...
  • Page 91 September, 2004 P/No.: 3828A20048C Printed in Korea...

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