LG LP-C483TA0 Svc Manual
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LG LP-C483TA0 Svc Manual

LG LP-C483TA0 Svc Manual

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This Owner's Manual is provided and hosted by Appliance Factory Parts.
LG LFN480CE
Owner's Manual
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Find Your LG Air Conditioner Parts - Select From 2328 Models
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Summary of Contents for LG LP-C483TA0

  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. LG LFN480CE Owner's Manual Shop genuine replacement parts for LG LFN480CE Find Your LG Air Conditioner Parts - Select From 2328 Models -------- Manual continues below --------...
  • Page 2 Internal Use Only http://biz.lgservice.com Floor Standing Air Conditioner SVC MANUAL(Exploded View) MODEL : LF300CP(LP-C303R20) LF480CE(LP-C483TA0) CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

  • Page 3: Table Of Contents

    Wiring Diagram........................15 Operation Details ........................17 Installation of Indoor, Outdoor Unit..................23 Test Running .........................25 Troubleshooting Guide ......................27 Exploded View ........................41 - 2 - 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 or electric • There is risk of fire or electric cause fire or electric shock shock. shock. - 3 - 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, failure of the shock. shock. product, or electric shock. - 4 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6 • Low refrigerant levels may cause failure of product. • A bad connection may cause water leakage. - 5 - 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 failure of product. • There are sharp and moving parts that could cause personal injury. - 6 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8: Functions

    • Restarting is inhibited for approx. 3 minutes. AutoRestart • The power comes on again after a power failure. - 7 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Remote Control

    • Airflow direction Auto-swing and Manual Contol. Room Temperature Control • Up: up to 30°C(86.0°F) • Down: down to 16°C(60.8°F) Indoor Fan speed control • High, Med & Low –8– Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 10 • De-ice PCB Outdoor Fan Speed Control • One speed Sensing Heat Exchanger Temperature • Heat exchanger temperature sensor (Thermistor) - 9 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Product Specifications

    LIQUID 9.52(3/8) 9.52(3/8) (Inch) VALVE 15.88(5/8) 19.05(3/4) POWER CABLE P*mm 3x4.0 3x5.5 CONNECTING CABLE P*mm 4x1.0 4x1.0 BREAKER CAPACITY - 10 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Dimensions

    Outdoor Unit : LPUC303R20 (LF300CP) Control Cover Air Inlet(back side) Air Outlet Bottom Panel Ground Terminal Refrigerant Pipe Port - 11 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: Indoor Unit

    Gas side service valve (Ø 15.88mm(5/8inch)) Liquid side service valve (Ø 9.52mm(3/8inch)) Fan cover Earth screw Connecting cable hole - 12 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 Indoor Unit : LPNC483TA0 (LF480CE) Air Outlet Vent Remote Signal Receptor Air Intake Vent door Unit : LPUC483TA0 (LF480CE) Air Intake Vent (Rear) Air Outlet Vent Piping –13– Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 15 900mm(35.4inch) Items Air Outlet Vent Liquid Side SVC Valve(Ø 9.52mm(3/8inch)) Gas Side SVC Valve(Ø 19.05mm(3/4inch)) Control Box Earth Screw - 14 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 16: Wiring Diagram

    Wiring Diagram 1. LF300CP(LP-C303R20) Outdoor –15– Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 17 2. LF480CE(LP-C483TA0) Outdoor - 16 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 18: Operation Details

    - If you select ' ', the Off-Timer function will be cancelled. - During Off-Timer Operation, if you repress the timer set button, the rest time will be displayed. –17– Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 19: Heating Mode Operation

    < 39°C(102.2°F) ≥ 39°C(102.2°F) Selecting speed 28 C(82.4°F) Selecting speed 28 C(82.4°F) > 34°C(93.2°F) ≤ 34°C(93.2°F) 26 C(78.8°F) 26 C(78.8°F) - 18 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 Defrost Outdoor Pipe Temp. Defrost 12°C(53.6°F) (Defrost OFF) -6°C(21.2°F) (Defrost ON) HOT- START Indoor Fan Compressor 4-Way Valve - 19 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 21: Soft Dry Operation Mode

    ❈ During this function is operating, any buttons of Display Panel don't work. But it is possible to operate with Remote controller. - 20 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 22: Energy Saving

    19°C(66.2°F) ≤ Room temperature ≤ 21°C(69.8°F): to be set to -1°C(1.8°F) less than room temperature. d) Room temperature ≤ 18°C(64.4°F): to be set to 18°C(64.4°F) - 21 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 - After 18 ± 1 minutes of operation, it becomes off itself. - During the operation, signal 88 stands for "Lo" - 22 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Installation Of Indoor, Outdoor Unit

    (BTU/h) A (m/ft) B (m/ft) GAS SIDE LIQUID SIDE Outdoor unit 3/4" 3/8" 40/131 25/82 5/8" 3/8" 30/98 20/66 - 23 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 25: Indoor Unit Installation

    More than 15mm(0.6 inch) Insert the plastic tube through the hole. Cut the extruded outside part of the plastic tube, if necessary. - 24 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 26: Test Running

    2. Ensure the difference between the intake temperature and the discharge one is more than 8°C(46.4°F) (Cooling) or reversely (Heating). - 25 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 2.Check all wire connector whether it is connected or not. 3.Indoor AC PCB defects.(short inside). 4.Outdoor PCB defects.(short inside) - 26 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 28: Troubleshooting Guide

    ( Ω ) Irregular motor resistance Regular but fails to start. Replacement of electric ( Ω ) heater Irregular motor insulation Replacement of compressor Replacement of compressor –27– Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 29 Check it with the eyes or a Repair or replace it. switch contact point tester Capacitor Defected Check it with a tester. Replace it. - 28 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 Defective connection or Electric circuit Check it with a tester. Rewiring or push reset disconnection of the circuit button. for compressor. - 29 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 Note: Use an appropriate measuring instrument for readjustment. *1: Check the High-pressure switch indication. *2: Check the Low- pressure switch indication. - 30 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 32 Checking Fan broken. • Clear the other Other materials intruded. material Screws Checking Repair Looseness or fail-off of screws - 31 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 Add refrigerant, repair leakage, if any. Refrigerant short-charge or leakage. Check the capillary tube and the strainer. Restricted liquid in the suction line. - 32 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 34 Check the contact in the magnetic contact, the over-current relay, the pressure control switch, the operation switch, the auxiliary relay. - 33 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 Room temp, > Set temp? Room temp, >set temp setting Is the DC5V at 14 pin of MICOM Replacement MICOM Replacement IC02M, RY-COMP - 34 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 "C" and "Mid" "C" and "S/High" of of P.C.B? P.C.B? Replacement S/High Replacement High Replacement RY-Mid Check the motor winding - 35 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 Is the AC220V(240V) Replacement RY-Sync at each terminal Check synchronous connector (SYN. MOTOR CONNECTOR)? contact point. Check the synchronous motor winding. - 36 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 38: Remote Control Does Not Operate

    Does the operation Replacement remote-controller of remote controller properly? Is the Pre-amp of Replacement preamp assy display normal? Replacement MICOM - 37 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 39 PIN 32 of MICOM? 2. Replacement Main PCB ASM Replacement Main PCB ASM 6) Timer control does not operate. Replacement Micom - 38 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 40 Is the AC220V (AC 240 V) between connector(CN-outunit) Replacement RY-Comp Pin 1 and Pin 3 of Main P.C.B - 39 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 41 AC220V (AC 240 V) between Replacement RY-Heater connector(HEATER) and CN-outunit Pin 1 of Main P.C.B Check the heater wiring - 40 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 42: Exploded View

    137211 235811A 147582 146811B 135310 235512 235811B 268711A 267110 W0CZZ 249951 268711B 135313B 268711D 135303B 159830 237201 135313A 135303A - 41 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 43 35211A 35211C 130911 336610 266000 336600 352150 W4810A 349480A Inlet-air 567480A 337000 159830B 346810 140570 359012 W1WE W1NF 730700 - 42 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 44 268711B 567480A Inlet-air W4811 268711D Eva-out 567480C W4810B 135080C 552111 237202 354210 352112 35211C W4810A 330870 152302 135080D 135313 - 43 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 45 135515 249951 249941 268711C W4810 135500 130911 W0CZZ 359012 336610 346810 349480 135317 150170 349600A 130400 - 44 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 46 2. Outdoor Unit • Model : LF300CP(LP-C303R20) - 45 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 47 • Model : LF480CE(LP-C483TA0) - 46 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 48 JANUARY, 2008 P/NO : 3828A20156T...

This manual is also suitable for:

Lf480ceLp-c303r20Lf300cpLfn480ce

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