LG LS-H0560CL Service Manual
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LG LS-H0560CL Service Manual

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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.
MODEL: LS-H0560CL
LS-H0561AL
LS-H0561DL
LS-H0563DL
http://www.LGEservice.com/techsup.html

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Summary of Contents for LG LS-H0560CL

  • 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. MODEL: LS-H0560CL LS-H0561AL LS-H0561DL LS-H0563DL...

  • Page 2: Table Of Contents

    Contents Functions ..........................3 Product Specifications ......................5 Dimensions ..........................6 Refrigeration Cycle Diagram ....................7 Wiring Diagram........................8 Operation Details ........................9 Display Function ........................11 Installation ..........................12 Disassembly of the parts (Indoor Unit) ................27 2-way, 3-way Valve........................ 30 Cycle Troubleshooting Guide....................

  • 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 3 sec at the starting. Time Delay Safety Control •...

  • Page 4: Remote Controller

    Name and Function-Remote Controller Remote Controller Signal transmitter OPERATION DISPLAY Displays the operation conditions. Transmits the signals to the room air conditioner. AIRFLOW DIRECTION START/STOP BUTTON Used to stop or start louver movement and set the desired up/down airflow direction. OPERATION MODE SELECTION BUTTON Used to select the operation mode.

  • Page 5: Product Specifications

    Product Specifications Model Name LS-H0561AL LS-H0560CL LS-H0563DL LS-H0561DL Item Unit Cooling Capacity BTU/h(kcal/h) 5,500(1,386) 5,500(1,386) 5,000(1,260) Moisture Removal 0.55 Power Source Ø, V, Hz 1Ø, 220-240V, 50Hz 1Ø, 220-240V, 50Hz 1Ø, 220-240V, 50Hz Indoor Air Circulation /min Outdoor Indoor Noise Level dB (A)±1...

  • Page 6: Dimensions

    Dimensions (1) Indoor Unit Air Inlet Cooled Air Outlet Tubing hole cover Tubing hole cover Tubing hole cover (2) Outdoor Unit Liquid side 2-way valve Gas side 3-way valve Liquid side 2-way valve Gas side 3-way valve 76.5 76.5 —6—...

  • Page 7: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram INDOOR UNIT OUTDOOR UNIT LIQUID SIDE CAPILLARY TUBE 2-WAY VALVE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) GAS SIDE REVERSING 3-WAY VALVE ACCUMU VALVE LATOR COOLING COMPRESSOR HEATING —7—...

  • Page 8: Wiring Diagram

    Wiring Diagram (1) Indoor Unit POWER FORCED MAIN PCB OPERATION TEST OPERATION TRIAC REMOTE CONTROL MOTOR THERMISTOR STEP SH-CAPA. MOTOR BL/RIBBED RY-COMP. FUSE AC250V/T2A CN-DISP1 PILLAR 1 ( L ) 2 ( N ) TERMINAL DISPLAY PCB ASM INDOOR WIRING DIAGRAM TO OUTDOOR UNIT 3854A30077H (2) Outdoor Unit...

  • Page 9: Operation Details

    Operation Details (1) The function of main control 1. Time Delay Safety Control • 3min.; The compressor operation is delayed for 3 minutes to balance the pressure of cycle. (Protection of compressor) • 5sec.; The indoor fan is delayed for 5 seconds, when operating initially, to prevent noises occurred by the vertical louver and wind.
  • Page 10 4. Soft Dry Operation Mode • During Soft Dry Operation, the compressor ON temperature is the setting temperature plus 1°C, the compres- sor OFF temperature is the setting temperature minus 0.5°C. • When the room temperature rises over the compressor ON temperature, the operation mode is switched to the Cooling operation.

  • Page 11: Display Function

    Display Function Cooling Indicator • Lights up during cooling operation. Soft Dry Indicator • Lights up during soft dry operation. Timer Indicator • Lights up during timer operation. —11—...

  • Page 12: Installation

    1. Installation of indoor, Outdoor unit 1) Selection of the best location 1. Indoor unit. • There should not be any heat source or steam near the unit. More than 5cm More than 5cm • There should not be any obstacles to prevent the air circulation.
  • Page 13 2) Indoor unit installation The mounting wall should be strong and solid enough to prevent it from the vibration. 1. Mount the installation plate on the wall with four Type "A" screws. (if mounting the unit on the concrete wall, consider Installation Plate using anchor bolts.) •...

  • Page 14: Piping And Drainage Of Indoor Unit

    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 15 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 chassis. Pull 2. Route the drain hose and the indoor tubing. Pull For right rear piping 3.
  • Page 16 5. Bend the tubing as shown in the figure and bind the pipings, the connecting cables and the drain hose altogether. • Make a small loop for easy connection later. Loop Tape 6. Wrap the tubing, the drain hose and the Gas side Connecting connecting cable.
  • Page 17 For left rear pipings 3. Insert the connecting cables, the drain pipe and connecting pipings through the piping hole on the wall. Outdoor Indoor Connecting cable Connecting piping Drain pipe 4. Connect connecting pipings and indoor tubing, and the drain hose and the drain pipe and place the drain pipe into the chassis.
  • Page 18 6. Wrap the insulation material around the con- necting portion. Plastic Bands Insulation material CAUTION :Take care to arrange the pipings, drain hose and cables as the fea- ture for inser ting it into the indoor unit and mount the indor •...

  • Page 19: Connecting Pipings And The Cable To Outdoor Unit

    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 20 4. Checking the Drainage and Connecting the cable to Indoor unit 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. •...
  • Page 21 2) Connect the cable to the indoor unit 1. Connect the wires to the terminals on the con- trol board individually according to the outdoor unit connection. • Ensure that the color of wires of outdoor unit and the terminal No. are the same to the indoor’s respectively.
  • Page 22 3) Form the pipings Seal small openings around pipings with a gum type sealer. 1. Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands. (for the right pipings) Taping • If you want to connect an additional drain hose, Drain hose the end of the drain-outlet should keep distance...
  • Page 23 5. Air Purging 1) Air purging The air which contains moisture remaining in the refrigeration cycle may cause a malfunc- tion on the compressor. Cover control 1. Remove the caps from the 2-way and 3-way valves. Gas side To indoor unit Terminal block Liquid side 2-way valve...
  • Page 24 8. Checking a gas leakage (1) Connect the manifold gauge to the service port of 3-way valve. Measure the pressure. (2) Keep it for 5-10 minutes. Ensure if the pressure indicated on the gauge is as same as that of measured at first time. Liquid side Indoor unit Outdoor unit...

  • Page 25: Pipe Length And The Elevation

    6. Pipe length and the elevation Max. Max. Piping Additional Refri- Capacity Standard Elevation Length gerant Length(m) (Btu/h) (g/m) Outdoor unit Outdoor unit Oil trap Indoor unit Indoor unit In case more than 5m CAUTION • Capacity is based on standard length and maximum allowance length is the basis of reliability. •...

  • Page 26: Test Running

    7. Test running 1) Connection of power supply 1. Connect the power supply cord to inde-pen- dent power supply. 2. Prepare the remote control. • Insert two batteries provided. Remove the cover from the back of the remote control. • Slide the cover according to the arrow direction. Insert the two batteries.

  • Page 27: Disassembly Of The Parts (Indoor Unit)

    Disassembly of the parts (Indoor unit) Warning : Disconnect the unit from power supply before making any checks. Be sure the power switch is set to “OFF”. To remove the Grille from the Chassis. Screw • Remove the securing screws. •...
  • Page 28 2. To remove the Control Box. • Remove 3 securing screws. • Pull the control box out from the chassis carefully. 3. To remove the Discharge Grille. • Remove the securing screw. • Pull the discharge grille out from the chassis carefully.
  • Page 29 • Unhook the tab on the left inside edge of the chassis by pressing it outwards and at the same time, slightly pull the evaporator until the tab is clear of the end-plate. • Remove the evaporator from the chassis carefully.

  • Page 30: 2-Way, 3-Way Valve

    2-way, 3-way Valve 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench (4mm) Open position Flare nut Flare nut Closed position Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works Shaft position...
  • Page 31 1. Air purging Required tools : hexagonal wrench, adjustable The air in the indoor unit and in the piping must be wrench, torque wrenches, wrench to purged. If air remains in the refrigeration pipes, it will hold the joints, and gas leak affect the compressor, reduce to cooling capacity, and detector.

  • Page 32: Pumping Down

    2. Pumping down Liquid side Indoor unit Close Outdoor unit 2-Way valve Gas side Open 3-Way valve Manifold Gauge CLOSE OPEN CLOSE (Low handle) (High handle) Purge the air • Procedure (6) Operate the air conditioner at the cooling (1) Confirm that both the 2-way and 3-way valves cycle and stop it when the gauge indicates are set to the open position.
  • Page 33 1) Re-air purging (Re-installation) Liquid side Indoor unit Close Outdoor unit 2-Way valve Gas side Open 3-Way valve Gas cylinder Manifold Gauge CLOSE OPEN (High handle) (Low handle) • Procedure (6) Disconnect the charge set and the gas (1) Confirm that both the 2-way valve and the 3- cylinder, and set the 2-way and 3-way valves way valve are set to the closed position.
  • Page 34 2) Balance refrigerant of the 2-way, 3-way valves (Gas leakage) Liquid side Indoor unit Outdoor unit 2-Way valve Open Gas side 3-Way valve Open Manifold Gauge OPEN CLOSE (Low handle) (High handle) • Procedure (1) Confirm that both the 2-way and 3-way valves are set to the back seat.
  • Page 35 3. Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit 2-Way valve Open Gas side 3-Way valve Open Vacuum pump Manifold Gauge OPEN CLOSE (Low handle) (High handle) • Procedure (1) Connect the vacuum pump to the charge set’s center hose (2) Evacuation for approximately one hour.

  • Page 36: Gas Charging

    4. Gas Charging (After Evacuation) Liquid side Indoor unit Outdoor unit Open 2-Way valve Gas side Open 3-Way valve Check valve Charging cylinder Manifold Gauge OPEN CLOSE (Low handle) (High handle) • Procedure (1) Connect the charge hose to the charging This is different from previous procedures.

  • Page 37: 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.

  • Page 38: 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 39 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 40 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 Fan 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 41 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 42 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 43: Indoor Unit

    6. The phenomena in case of connecting error INDOOR UNIT Connector Type Phenomena Condition CN-POWER • All functions stop. Open • The operation with the remote controller, forced and test one do not operate. Connecting reversely • PWB pattern is damaged when applying the power. CN-MOTOR Open •...

  • Page 44: Schematic Diagram

    Schematic Diagram —44—...

  • Page 45: Electronic Control Device

    Electronic Control Device (1) MAIN P.C.B ASSEMBLY • BOTTOM VIEW • TOP VIEW (2) Display PWB ASSEMBLY LED1 LED2 LED3 IR SENSOR —45—...

  • Page 46: Exploded View And Replacement Parts List

    Exploded View and Replacement Parts List 1. Indoor Unit —46—...
  • Page 47 Parts List PART NO. LOCATION PART NAME REMARK LS-H0560CL LS-H0561AL LS-H0561DL LS-H0565DL LS-H0563DL 131410 CHASSIS ASSEMBLY 3141AR1451B 3141AR1451D 3141AR1451C 3141AR1451C 3141AR1451C 135311 GRILLE ASSEMBLY, DISCHARGE(INDOOR) 5009AR1453B 5009AR1453D 5009AR1453D 5009AR1453G 5009AR1453G 135312 GRILLE ASSEMBLY, FRONT 3531AR1450D 3531AR1450H 3531AR1450H 3531AR1450H 3531AR1450H 135314...
  • Page 48 2. Outdoor Unit Models: LS-H0560CL, LS-H0561AL, LS-H0561DL —48—...
  • Page 49 Parts List LOCATION PART NO. PART NAME REMARK LS-H0560CL LS-H0561AL LS-H0561DL 35211B TUBE ASSEMBLY, TUBING 5211A20001A 5211AR2695A 5211AR2695A 430411 BASE ASSEMBLY, WELD[OUTDOOR] 3041AR2415E 3041AR2415K 3041AR2415K 435511 COVER ASSEMBLY, CONTROL(OUTDOOR) 4994AR3492B 4994AR3492B 4994AR3492B 437212 PANEL ASSEMBLY, REAR(OUTDOOR) 3530AR0058B 3530AR0058B 3530AR0058B 546810...
  • Page 50 Models: LS-H0563DL —50—...

  • Page 51: Parts List

    Parts List LOCATION PART NO. PART NAME REMARK LS-H0563DL 430410 BASE ASSY,OUTDOOR 2H02435J 435511 COVER ASSY,CONTROL(OUTDOOR) 2H02448D 435512 COVER ASSEMBLY,TOP(OUTDOOR) 3H03714A 437210 PANEL ASSY,FRONT SUB 2H02424T 437212 PANEL,REAR 1H00836B 546810 MOTOR ASSY,OUTDOOR 1H00853D 550140 ISOLATOR,COMP 4H00982E 552102 TUBE,CAPILLARY BEND 5210A30041A 552111 TUBE ASSEMBLY,CAPILLARY 5425AR2049Q...
  • Page 52 Memo —52—...
  • Page 53 July, 2003 P/No: 3828A30033C Printed in Korea...

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