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LG R-8000A Service Manual
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LG R-8000A Service Manual

LG R-8000A Service Manual

Room air conditioner
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http://biz.lgservice.com

Room Air Conditioner

SVC MANUAL(Exploded View)
MODEL : R-8000A, WR-8020, R-8000AY3
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 R-8000A

  • Page 1: Room Air Conditioner

    Internal Use Only http://biz.lgservice.com Room Air Conditioner SVC MANUAL(Exploded View) MODEL : R-8000A, WR-8020, R-8000AY3 CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

  • Page 2: Table Of Contents

    4. The value should be over 1MΩ. tance test to protect the customer from being exposed to shock hazards. - 2 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Specifications

    20 (W x H x D) (mm) 470 x 353 x 525 * DB:Dry Bulb ** WB:Wet Bulb - 3 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Features

    MED COOL : Permits cooling with the medium fan speed operation. LOW COOL : Permits cooling with the low fan speed operation. - 4 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 5: Disassembly Instructions

    (Refer to the circuit diagram found on page 24 in this manual or on the control box.) Figure 3 - 5 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Air Handling Parts

    6. Remove the fan and then pull out the shroud. (See Figure 6) 7. Re-install by referring to the removal procedure. Figure 6 - 6 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7: Electrical Parts

    6. Disconnect all the leads of capacitor terminals. 7. Re-install the components by referring to the removal procedure, above. (See Figure 9) Figure 9 - 7 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8: Power Cord

    8. Remove the motor. 9. Re-install the components by referring to the removal procedure, above.(See Figure 13) Figure 13 - 8 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Refrigerating Cycle

    3. Remove the capillary tube. 4. Re-install the component by referring to notes. - 9 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Refrigeration Cycle

    Open valve C. Discharge the line at the manifold connection. 5) The system is now ready for final charging. - 10 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. Figure 16B-Charging Figure 16A-Pulling Vacuum - 11 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Installation

    If the air conditioner is used in a hot and high Figure 19 humidity zone, exchange the ¥L HOLE RUBBER for the ¥M DRAIN PIPE.(See figure 18, figure 19.) - 12 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: How To Install

    SILL SUPPORT BOLT SCREW(TYPE A) SCREW(TYPE B) SCREW(TYPE C) FOAM-STRIP UPPER GUIDE FOAM-PE FRAME GUIDE WINDOW LOCKING BRACKET FOAM-PE - 13 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 14: Suggested Tool Requirements

    • Do not pull the window sash down so tightly that the Foam-pe movement of Frame Curtain is restricted. Cabinet Frame Curtain Foam-pe Figure 21 - 14 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 CAUTION: DO NOT DRILL A HOLE IN THE BOTTOM PAN. The unit is designed to operate with approximately 1/2" of water in bottom pan. Figure 25 - 15 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 15. Window installation of room air conditioner is now completed. See ELECTRICAL DATA for attaching power cord to electrical outlet. Figure 31 - 16 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 17: How To Use The Reversible Inlet Grille

    4. If you want to pull out the filter downward, use the reversible inlet grille without change. (The grille is already assembled for that way.) Figure 35 - 17 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 18: Outside Dimensions

    LIQUID LIQUID OUTLET PRESSURE DROP (LIQUID REFRIGERANT) HIGH PRESSURE VAPOR LIQUID REFRIGERANT CAPILLARY TUBE LOW PRESSURE VAPOR Figure 36 - 18 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 19: Troubleshooting Guide

    Satisfactory operation with Repair clogging in refrigera- temperature difference of tion circuit. inlet & outlet air ; 44~50°F(7~10°C) - 19 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 Regular but fails to start. Irregular motor insulation ( Replacement of compressor (locking of rotor, metal). Replacement of compressor (Motor damaged) - 20 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 Pay attention to any change from high speed to low speed. If the speed does not change, replace the motor. - 21 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 Check overload, if externally mounted. Replace if open. (If the compressor temperature is high, remove the overload, cool, and retest.) - 22 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 Copper tubing Remove the cabinet carefully and rearrange tubing not to contact cabinet, compressor, shroud, and barrier. - 23 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Schematic Diagram

    R-8000A/WR-8020/R-8000AY3 POWER CORD 2H00677P ROTARY SWITCH 2H00598E 4681A20027B/4681A20073A FAN MOTOR CAPACITOR 6120AR2359V THERMOSTAT 2H01109L 6750A30001A/N OVERLOAD PROTECTOR COMPRESSOR 5416A20013B/5416A20014B - 24 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 25: Electronic Control Device

    5.2 ELECTRONIC CONTROL DEVICE - 25 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 26: Components Location(Of Main P.c.b Asm)

    5.3 COMPONENTS LOCATION(OF MAIN P.C.B ASM) 5.4 COMPONENTS LOCATION(OF DISPLAY P.C.B ASM) - 26 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 27: Exploded View

    135312 550140 152302 135313 249950 266003 352115 352111 269300 W0CZZ 137215 266002 352113 135500 147581 149410 146812 35211A 264110 - 27 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 130410 349480 135312 550140 152302 135313 249950 266003 352115 352111 269300 W0CZZ 137215 352113 135500 147581 149410 35211A 264110 - 28 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 March, 2008 P/NO : 3828A20247A...

This manual is also suitable for:

Wr-8020R-8000ay3

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