LG WG8000E Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Air Conditioner
  5. WG8000E
  6. Service manual
LG WG8000E Service Manual

LG WG8000E Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Room Air Conditioner
SERVICE MANUAL
CAUTION
-BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
MODEL: WG8000E, LWG0812ACP
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html

Advertisement

Table of Contents
loading

Related Manuals for LG WG8000E

Summary of Contents for LG WG8000E

  • Page 1 Room Air Conditioner SERVICE MANUAL CAUTION -BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODEL: WG8000E, LWG0812ACP...

  • Page 2: Table Of Contents

    CONTENTS 1. PREFACE 3. INSTALLATION 1.1 SAFETY PRECAUTIONS........2 3.1 SELECT THE BEST LOCATION....12 1.2 INSULATION RESISTANCE TEST ....2 3.2 CHECK OF INSTALLATION......12 1.3 SPECIFICATIONS...........3 3.3 HOW TO DRAIN..........12 1.4 FEATURES............4 3.4 HOW TO INSTALL ........13 1.5 CONTROL LOCATIONS .........4 3.5 HOW TO USE THE REVERSIBLE INLET GRILLE...17 2.

  • Page 3: Specifications

    1.3 SPECIFICATIONS MODELS WG8000E LWG0812ACP ITEMS 1ø, 115, 60Hz POWER SUPPLY 7,800 COOLING CAPACITY (Btu/h) INPUT RUNNING CURRENT 11.0 10.8 E.E.R (BTU/W.h) OPERATING 26.7(DB)* 19.4(WB)** INDOOR (°C) CONDITION 35(DB)* 23.9(WB)** OUTDOOR (°C) 480g (16.90 Oz) REFRIGERANT (R-22) CHARGE 3 ROW 14 STACKS, SLIT-FIN TYPE...

  • Page 4: Features

    1.4 FEATURES • Built-in adjustable THERMOSTAT • Designed for COOLING ONLY. • Washable one-touch filter • Powerful and whispering cooling. • Compact size • Slide-in and slide-out chassis for the simple • Reliable and efficient rotary compressor is equipped. installation and service. •...

  • Page 5: Disassembly Instructions

    2. DISASSEMBLY INSTRUCTIONS — Before the following disassembly, POWER SWITCH set to OFF and disconnect the power cord. 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Open the lnlet grille upward or downward. 2. Remove the screw which fastens the front grille. 3.

  • Page 6: Air Handling Parts

    2.2 AIR HANDLING PARTS 2.2.1 AIR GUIDE AND BLOWER 1. Remove the front grille. (Refer to section 2.1.1) 2. Remove the cabinet. (Refer to section 2.1.2) 3. Remove the control box. (Refer to section 2.1.3) 4. Remove the 3 screws which fasten the brace. 5.

  • Page 7: Electrical Parts

    2.3 ELECTRICAL PARTS 2.3.1 OVERLOAD PROTECTOR 1. Remove the cabinet. (Refer to section 2.1.2) 2. Remove the nut which fastens the terminal cover. 3. Remove the terminal cover. (See Figure 7) 4. Remove all the leads from the overload protector. 5.

  • Page 8: Power Cord

    2.3.4 POWER CORD 1. Remove the control box. (Refer to section 2.1.3) 2. Open the control box. (Refer to section 2.3.3) 3. Disconnect the grounding screw from the control box. 4. Disconnect the 2 receptacles. 5. Remove a screw which fastens the clip cord. (See Figure 10) 6.

  • Page 9: Refrigeration Cycle

    2.4 REFRIGERATING CYCLE CAUTION Discharge the refrigerant system using a Freon Recovery System. If there is no valve to attach the recovery system, install one (such as a WATCO A-1) before venting the Freon . Leave the valve in place after servicing the system. 2.4.1 CONDENSER 1.
  • Page 10 NOTES — Replacement of the refrigeration cycle. 6. Recharge as follows : 1. When replacing the refrigeration cycle, be sure to Discharge the refrigerant system using a Freon 1) Refrigeration cycle systems are charged from recovery System. the High-side. If the total charge cannot be put If there is no valve to attach the recovery system, in the High-side, the balance will be put in the install one (such as a WATCO A-1) before venting...
  • Page 11 Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. Figure 16B-Charging Figure 16A-Pulling Vacuum —11—...

  • Page 12: Installation

    3. INSTALLATION 3.1 SELECT THE BEST LOCATION 1.To prevent vibration and noise, make sure the unit FENCE is installed securely and firmly. AWNING 2.Install the unit where the sunlight does not shine COOLED AIR directly on the unit. HEAT 3.The outside of the cabinet must extend outward for RADIATION at least 11"...

  • Page 13: How To Install

    3.4 HOW TO INSTALL 3.4.1 WHEN USING GASKET RIGHT SIDE HORIZONTAL LINE 1. WINDOW (WIDTH-A, HEIGHT-B) 4. DETAILS 5.1 x 30 ROUND HEAD WOOD SCREWS 2. GASKET 3. WALL 495mm 366mm 250mm 30mm 0~25mm OVER 420mm 12mm 32mm 5~10mm 0~5mm ") ") (10")
  • Page 14 SUGGESTED TOOL REQUIREMENTS SCREWDRIVER(+, -), RULER, KNIFE, HAMMER, PENCIL, LEVEL PREPARATION OF CHASSIS Shipping 1. Remove the screws which fasten the cabinet at both Screws sides and at the back. 2. Slide the unit from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet.
  • Page 15 3. Loosely assemble the sill support using the parts in Figure 22. INDOOR OUTDOOR Sill Support Figure 22 4. Select the position that will place the sill support Bolt near the outer most point on sill (See Figure 23) Frame Guide Screw(Type A) NOTE: Be careful when you install the cabinet (frame guides...
  • Page 16 10. Slide the unit into the cabinet.(See Figure 26) CAUTION: For security purpose, reinstall screws(Type Power cord A) at cabinet's sides. Screw(Type A) Screw(Type A) Figure 26 11. Cut the foam-strip to the proper length and insert between the upper window sash and the lower window sash.

  • Page 17: How To Use The Reversible Inlet Grille

    3.5 HOW TO USE THE REVERSIBLE INLET GRILLE 1. If you want to pull out the filter upward, open the inlet grille slightly. Turn inside out the front grille. Disassemble the inlet grille from the front grille with separating the hinged part by inserting a "—" type screw-driver tip.

  • Page 18: Outside Dimensions

    4. TROUBLESHOOTING GUIDE 4.1 OUTSIDE DIMENSIONS unit: mm(inch) 525(20 ") 470(18 ") 4.2 PIPING SYSTEM CONDENSER COIL CAPILLARY TUBE MOTOR COMPRESSOR BLOWER EVAPORATOR COIL Following is a brief description of the important components and their function in what is called the refrigeration system.

  • Page 19: Troubleshooting Guide

    4.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified in two kinds. The one is called Starting Failure which is caused from an electrical defect, and the other is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit runs but poor cooling.
  • Page 20 Fails to Start Check of power source. Check circuit breaker and fuse. Check of control switch Gas leakage of feeler bulb setting. of thermostat Check control switch. Compressor fails only to Fan fails only to start. start. Improper wiring. Drop of power voltage. Improper thermostat setting.
  • Page 21 ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 115V ± 10% 103.5V 126.5V COMPLAINT CAUSE REMEDY Check voltage at outlet. Correct if none. Fan motor will not run. No power Check voltage to rotary switch. If none, check Power supply cord power supply cord.
  • Page 22 COMPLAINT CAUSE REMEDY Fan motor noise. If cracked, out of balance, or partially missing, replace it. Blower If cracked, out of balance, or partially missing, replace it. Loose clamper Tighten it. Worn bearings If knocking sounds continue when running or loose, replace the motor.
  • Page 23 REMEDY COMPLAINT CAUSE Fan motor Compressor cycles on If not running, determine the cause. Replace if overload required. Condenser air flow Remove the cabinet, inspect the interior surface restriction of the condenser. If restricted, clean carefully with a vacuum cleaner (do not damage fins) or brush.

  • Page 24: Schematic Diagram

    5. SCHEMATIC DIAGRAM 5.1 CIRCUIT DIAGRAM <WG8000E> <LWG0812ACP> POWER INPUT POWER INPUT BK(BR) WH(BL) BK(BR) WH(BL) (Plain) (Ribbed) (Plain) (Ribbed) ROTARY SWITCH GN(GN/YL) ROTARY SWITCH GN(GN/YL) MOTOR MOTOR T/BLOCK OR(BR) OR(BR) CAPACITOR OR(BR) OR(BR) MODE COMP. CAPACITOR SWITCH BR(YL) THERMOSTAT COMP.

  • Page 25: Exploded View

    6. EXPLODED VIEW 554031 249950 266003 269310 W0CZZ 137215 135500 149410 264110 —25—...

  • Page 26: Replacement Parts List

    7. REPLACEMENT PARTS LIST • MODEL: WG8000E R: Service Parts LOCATION NO. DESCRIPTION PART NO. REMARK 135312 GRILLE ASSEMBLY, FRONT(SINGLE) 3531A20034A 135313 GILLE ASSEMBLY, INLET 3530A10027A 152302 FILTER (MECH), A/C 5231A20004A 147581 LOUVER, HORIZONTAL 4758A20002A 147582 LOUVER, VERTICAL 4758A30008A 130910...
  • Page 27 R: Service Parts • MODEL: LWG0812ACP LOCATION NO. DESCRIPTION PART NO. REMARK 135312 GRILLE ASSEMBLY, FRONT(SINGLE) 3531A10131C 135313 GRILLE, INLET 3530A10028A 152302 FILTER ASSY, A/C 5231A20004A 147581 LOUVER, HORIZONTAL 4758A20002A 147582 LOUVER, VERTICAL 4758A30008A 130910 CABINET ASSEMBLY, SINGLE 3091A30005U 550140 ISOLATOR, COMP 4830AR4335A 567502...
  • Page 28 September, 2006 Printed in Korea P/No : 3828A20038M...

This manual is also suitable for:

Lwg0812acp

Table of Contents