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LG AS-W2463RH2 Manuals

Room air conditioner
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Room Air Conditioner

SVC MANUAL(Exploded View)
MODEL : AS-W2463RH2
AS-W2463MH2
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.

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Summary of Contents for LG AS-W2463RH2

  • Page 1: Room Air Conditioner

    Internal Use Only http://biz.lgservice.com Room Air Conditioner SVC MANUAL(Exploded View) MODEL : AS-W2463RH2 AS-W2463MH2 CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

  • Page 2: Table Of Contents

    Pipe Length and the Elevation .........................49 2-way, 3-way Valve ...........................50 Cycle Troubleshooting Guide ........................57 Electronic Parts ............................59 Exploded View...............................71 Indoor Unit..............................71 Outdoor Unit.............................72 - 2 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Lg Model Name

    Nano Plasma F+4Way+(A/changeove)+A/clean+ Serial No. LG Model De velopment Serial No. * ARTCOOL COLOR Mirror White Blue Wood Metal Cherry - 3 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Safety Precautions

    • There is risk of fire, electric shock, • Shape edges could cause injury. shock. explosion or injury. Be especially careful of the sharp edges. - 4 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5 • There is risk of fire or electric • There is risk of fire or electric shock. shock. - 5 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6 • A bad connection may cause water • To avoid vibration or water leak- failure of product. leakage. age. 90˚ - 6 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 • There is risk of personal injury and • There are sharp and moving parts failure of product. that could cause personal injury. - 7 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8: Dimensions

    This symbol indicates special notes. NOTICE Indoor Unit Installation plate MODEL 18k, 24k Btu Series Unit 1170 - 8 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Outdoor Unit

    Dimensions Outdoor Unit Gas side Liquid side MODEL 24k Btu Series 76.4 - 9 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Product Specifications

    46.1*12.4*6.8 46.1*12.4*6.8 (W*H*D) Outdoor 870*800*320 870*800*320 inch 34.3*31.5*12.6 34.3*31.5*12.6 Net Weight Indoor kg(lbs) 13(28.7) 13(28.7) Outdoor kg(lbs) 60(132.3) 60(132.3) - 10 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Installation

    60cm 5. Select a place where the warm air and noise from the air conditioner do not disturb neighbors. - 11 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Piping Length And Elevation

    Installation plate be done safely. Right rear piping Distance (mm) CHASSIS (Grade) (18k~24k) - 12 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: Drill A Hole In The Wall

    Cone Ø6.35 0~0.5 Ø9.52 0~0.5 Copper pipe Ø12.7 0~0.5 Clamp handle Ø15.88 0~1.0 Red arrow mark Ø19.05 1.0~1.3 - 13 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 14: Connection Of Piping

    "sweating"(condensation) will not damage fur- Tape niture or floors. Connecting pipe *Foamed polyethylene or equivalent is recom- Drain hose mended. Connecting cable - 14 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 Wrap with vinyl tape they fit into the rear piping housing section. Pipe Vinyl tape(wide) Drain hose - 15 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 3. When extending the drain hose at the indoor unit, install the drain pipe. Drain hose Indoor unit drain hose Vinyl tape (narrow) Adhesive - 16 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 3. Press the lower left and right sides of the unit against Connecting the installation plate until the hooks engage into their cable slots(clicking sound). Drain hose - 17 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 • Press on the upper side of clamp and unfold the tubing to downward slowly. Bad case • Following bending type from right to left may cause damage to the tubing. - 18 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 Gas side piping (Bigger diameter) Outside diameter Torque inch kg.m Ø6.35 Ø9.52 Ø12.7 Torque wrench Ø15.88 Ø19.05 - 19 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 20: Connecting The Cables

    (Type "B" approved by HAR or SAA). NORMAL Grade CROSS -SECTIONAL AREA Cable Type(B) H07RN-F H07RN-F - 20 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 9. The means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3mm in each active(phase) conductors. - 21 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 22: Checking The Drainage

    Less than Tip of drain hose 50mm gap dipped in water Water Water Water Waving leakage leakage leakage Ditch - 22 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 23: Forming The Piping

    3. Fix the piping onto the wall by saddle or equivalent. Trap - 23 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Air Purging

    When the system pressure is reduced to normal, gauge disconnect the hose from the cylinder. Charge hose Outdoor unit Nitrogen gas cylinder(in vertical standing position) - 24 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 25: Finishing The Job

    This completes air purging with a vacuum pump. Vacuum pump The air conditioner is now ready to test run. - 25 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 26: Test Running

    The pressure of the gas side Refrigerant TEMP. service valve. R-22 35°C (95°F) 4~5kg/cm G(56.8~71.0 P.S.I.G.) R-410A 35°C (95°F) 8.5~9.5kg/cm G(120~135 P.S.I.G.) - 26 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 27: Pump Down

    Now Pump Down procedure is completed, and all refrigerant is collected into the outdoor unit. - 27 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 28: Functions

    Airflow Direction Control • The louver can be set at the desired position or swing Heater (Optional) up and down automatically. - 28 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 (Heating Mode) of outdoor temp. below 24°C (Cooling Mode) of outdoor temp. Discharge Pipe Temp. Control Low Ambient Over Heating Protection (Comp.) - 29 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 : 1, 2, 3, 4, 5, 6, 7, Off Timer Airflow Direction Control Power Save Cooling Button Horizontal Airflow Direction Control Button(Optional) Reset (Optional) Auto Clean AUTO CLEAN - 30 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 31: Operation

    (Cool, Heat) opeation operation dehumidifi- Standard Too hot Comfortable Cold Too cold mode cation Shape of Setting display temp. - 31 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 32: Protection Of The Evaporator Pipe From Frosting

    • While in defrost control, the indoor is outdoor fans are turned off. - 32 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 33: Defrost Control(Heating)

    • When the set time is reached after the on/off time is input by the remote control, the on/off-timer operation is carried out according to the set time. - 33 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 34: Protection From Total Current Control

    Mode 7 Mode 6 Mode 5 Mode 4 Mode 3 Mode 2 Chaos Swing Mode 1 The first path OPEN - 34 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 35: Sleep Timer Operation

    Heating ON temp. (Setting temp) 1.0°C down 1.0°C down Heating OFF temp. (Setting temp. +3.0°C) Sleep time ( hr ) - 35 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 36: Auto Restarting Operation

    • If it’s 5 times within 1 hour in case of the temperature of outdoor pipe TH is over 65°C while the compressor is operating, the appliance turns off and display ERROR CODE 21. - 36 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 37: Portection From Overheating Of Power Module

    T3 °C AS-W2463MH2 T2 °C T1 °C -13 °C COMP Freq. Free Fc-1 Fc-2 Fc-2 Fc-1 Free Fh min - 37 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 38: Defrosting Control

    Setting Open step 4-Way Setting Setting Speed Speed Outdoor Hi Speed Setting Speed Indoor Start Starting Pre-Heat Deice STEP - 38 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 39: Auto Cleaning

    Outdoor pipe temp. Outdoor fan On/Off control ° 0°C outdoor fan On/Off control °… Outdoor temp. - 0°C Time(Min.) - 39 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 40: Operation Mode

    Used prior to using modes printed in blue at the bottom of buttons. 17. AUTO CLEAN(OPTIONAL) Used to set Auto Clean mode. 18. HEATER(OPTIONAL) - 40 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 41: Disassembly

    Inlet Grille assembly. 1. Before removing the control box, be sure to take out the wire screwed at the other end. - 41 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 42 4. To remove the Evaporator. • Remove 3 screws securing the evaporator(at the left 2EA in the Eva Holder, at the right 1EA). - 42 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 43 • Remove the left end of the cross-flow fan from the self-aligning bearing. - 43 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 44: Schematic Diagram

    Schematic Diagram Schematic Diagram Electric Control Device AS-W2463_ Series - 44 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 45: Components Location

    Schematic Diagram Components Location INDOOR MAIN P.W.B ASSEMBLY(AS-W2463_Series) • TOP VIEW • BOTTOM VIEW - 45 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 46 Schematic Diagram DISPLAY ASSEMBLY(AS-W2463_ Series) TOP VIEW BOTTOM VIEW - 46 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 47 N T C 0 1 K A D D R _ S / W S P M 2 C08K WCN_GND3 - 47 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 48: Troubleshooting Guide

    3-WAY VALVE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) GAS SIDE REVERSING 3-WAY VALVE ACCUMU VALVE LATOR COOLING COMPRESSOR HEATING - 48 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 49: Pipe Length And The Elevation

    CAUTION:* Capicity is based on standard length and maximum allowance length is the basis of reliability. * Oil trap should be installed per 5~7 meters. - 49 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 50: 2-Way, 3-Way Valve

    Open Pressure check (with charging cylinder) Open Open (Servicing) Open Gas releasing (with charging cylinder) Open Open (Servicing) - 50 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 51 (5) Use torque wrench to tighten the service port nut to a torque of 1.8kg.cm. a gas cylinder. - 51 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 52: Pumping Down

    – Open the low-pressure valve on the charge set slightly to air purge from the charge hose. (5) Set the 2-way valve to the closed position. - 52 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 53: Re-Air Purging

    – Close the valve on the gas cylinder and dis- charge the refrigerant until the gauge indicates 3 to 5 kg/cm - 53 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 54 – Discharge the refrigerant gradually; if it is dis- charged too suddenly, the refrigeration oil will also be discharged. - 54 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 55 (4) Disconnect the charge hose from the vacuum pump. – Vacuum pump oil. If the vacuum pump oil becomes dirty or depleted, replenish as needed. - 55 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 56: Gas Charging

    1 minute and then repeat the procedure (pumping down-pin). - 56 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 57: Cycle Troubleshooting Guide

    2. The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty. - 57 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 58 (restart compressor when D-PIPE TH. is recovred) ❈ Error code ➅, ➆ can’t be operated unless the power cord is removed. - 58 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 59: Electronic Parts

    4) Replace P.C.B Ass'y 5) IC01A(KIA7036) 5) The voltage of micom pin 19 5) Replace P.C.B Ass'y : DC4.5V↑ - 59 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 60 : DC +5V Check point • Check the connecting circuit between MICOM PIN and CN-DISP1 PIN • Check receiver ass'y - 60 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 61 8 times Discharge Pipe Temp. High (INV) 3 times 2 times Discharge Pipe Temp. High (Cons.) 3 times 3 times - 61 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 62 6 times 2 times Heat sink temp. high Heat sink sensor (open/ short) 6 times 5 times Open / Short - 62 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 63 8. If the resistance of the sensor is 0 or 5Vdc, then sensor is abnormal. ¡ Repair or Change the PCB. - 63 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 64 5. Check the insulation from water at IPM part. ¡ Check the trace of water. 6. Check the IPM circuit. - 64 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 65 2. Check the fan operation is right. 3. Check the current. 4. Check the install condition. 5. Check the internal circuit. (C/T, Diode, Resistor) - 65 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 66 • Check the components. Check Point 1. Check the power source. 2. Check the components (B/Diode, Reactor, PSC Parts ) - 66 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 67 2. Check the install condition for over load. (Trans1, B/Diode, Diode, Resistance) 3. Check the SVC V/V open. 4. Check the leakage of refrigerant. - 67 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 68 2. Check the components 2. Check the insulation of IPM part. (IGBT, R04S, NF1, BD02S) 3. Check the compressor. (same with CH21) - 68 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 69 • CH 51 1. Check the insertion condition of EEPROM. 1. Check the indoor unit capacity. 2. Check the poor soldering - 69 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 70 1. Check the install condition for over load. (Refrigerant, Pipe length, Blocked, …) 2. Check the Outdoor temp. is very high. - 70 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 71: Exploded View

    342800 354210 131410 145200B 346810 249951 352150 352115 266090 352116 264110 35211B 145200C 263230 146811A 147581 135311 135516 268711B - 71 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 72: Outdoor Unit

    342800 354210 131410 145200B 346810 249951 352150 352115 266090 352116 264110 35211B 145200C 263230 146811A 147581 135311 135516 268711B - 72 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 73 552113 268711F 435511 437211 552116 263230E 447910 552202 561410 W0CZZ 261704 554160 552203A 550140 349480 430411 435301 W49810 552203B - 73 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 74 OCTOBER, 2008 P/NO : MFL33675401...

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As-w2463mh2

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