Goldstar BG8000ER Service Manual

Other manuals for BG8000ER: Owner's Manual, Owner's Manual
Manual is about: Room Air Conditioner

Summary of BG8000ER

  • Page 1

    Room air conditioner service manual caution • before servicing the unit, read the safety precautions in this manual. • only for authorized service personnel. Model: bg8000er, wg8005r, wg1005r, wg1205r website http://www.Lgservice.Com.

  • Page 2: Table of Contents

    2 room air conditioner air conditioner service manual table of contents safety precautions..........................................................................................................................................3 dimensions ..............................................................

  • Page 3: Safety Precautions

    Service manual 3 safety precautions safety precautions to prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instructions will cause harm or damage. The seriousness is classified by the following indication...

  • Page 4

    4 room air conditioner safety precautions plug in the power plug properly. • otherwise, it will cause electric shock or fire. Do not operate or stop the unit by inserting or pulling out the power plug. • it will cause electric shock or fire. Do not damage or use an unspecified power cord. • it will ...

  • Page 5: Caution

    Service manual 5 safety precautions caution • • • • • if water enters the product, turn off the the power switch of the main body of appliance. Contact service center after taking the power- plug out from the socket. • it will cause electric shock or failure of machine. Do not clean the air conditio...

  • Page 6: Dimensions

    6 room air conditioner dimensions dimensions outside dimensions this symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. This symbol indicates special notes. Notice symbols used in this manual 353(13 7 / 8 ") 470(18 1 / 2 "...

  • Page 7: Product Specifications

    Service manual 7 specfications product specifications power supply cooling capacity (btu/h) input (w) running current (a) e.E.R (btu/w.H) indoor ( c) outdoor ( c) refrigerant (r-22) charge evaporator condenser fan, indoor fan, outdoor fan speeds, fan/cooling fan motor operation control room temp. Co...

  • Page 8: Installation

    8 room air conditioner installation installation select the best location installation check how to secure the drain pipe 1. To prevent vibration and noise, make sure the unit is installed securely and firmly. 2. Install the unit where the sun does not shine directly on the unit. 3. The outside of t...

  • Page 9: How to Install

    Service manual 9 installation how to install window requirements all supporting parts should be secured to firm wood, masonry, or metal. 1. This unit is designed for installation in standard double hung windows with actual opening widths of 22" to 36". The upper and lower sash must open sufficiently...

  • Page 10

    10 room air conditioner installation preparation of chassis 1. Remove the screws which fasten the cabinet at both 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. 3. Cut the window sash seal to the proper length....

  • Page 11

    Service manual 11 installation indoor outdoor sill support nut bolt indoor outdoor frame guide about 1/2" screw(type a) cabinet about 1/2" screw(type b) screw(type a) sill support sash track front angle type c screw(type b) sill support 3. Loosely assemble the sill support using the parts in figure ...

  • Page 12

    Screw(type a) screw(type a) power cord foam-strip window locking bracket 10. Slide the unit into the cabinet.(see figure 11) 11. Cut the foam-strip to the proper length and insert between the upper window sash and the lower window sash. (see figure 12) 12. Attach the window locking bracket with a ty...

  • Page 13: Operation

    Operation location and function of controls caution: if you turn off the air conditioner or switch from cooling to the fan, wait at least 3 minutes before setting to cooling again. For normal cooling 1. Turn the operation switch to the high cool or the low cool setting. 2. Set the thermostat control...

  • Page 14: Remote Control Operations

    The controls look like this: controls auto swing power temp fan speed timer mode energy saver 1 2 5 4 3 6 remote control operations 1. Power • to turn the set on, push the button. To turn the set off, push the button again. • this button takes priority over any other buttons. • when you first turn i...

  • Page 15: Disassembly

    Disassembly disassembly mechanical parts — before the following disassembly, power switch set to off and disconnect the power cord. 1. Front grille 1. Open the lnlet grille upward or downward. 2. Remove the screw which fastens the front grille. 3. Pull the front grille from the right side. 4. Remove...

  • Page 16: Air Handling Parts

    16 room air conditioner disassembly air handling parts —7— 1. Air guide and blower 1. Remove the front grille. 2. Remove the cabinet. 3. Remove the control box. 4. Remove the 3 screws which fasten the brace. 5. Remove the brace. 6. Remove the 2 screws which fasten the evaporator. 7. Move the evapora...

  • Page 17: Electrical Parts

    Service manual 17 electrical parts 1. Remove the cabinet. 2. Remove the evaporator. 3. Remove the orifice. 4. Remove the blower. 5. Remove the fan. 6. Remove the control box cover and housing of the motor in the control box. 7. Remove the 2 screws which fasten the motor from the mount motor. (see fi...

  • Page 18

    3. Capacitor model : rotary switch type model model : touch & remote control type model 4. Thermostat model : rotary switch type model disassembly 18 room air conditioner 1. Remove the control box. 2. Remove the screw which fasten control panel from control box. 3. Remove the screw which located in ...

  • Page 19: Refrigerating Cycle

    Service manual 19 disassembly 6. Rotary switch model : rotary switch type model 7. Power cord refrigerating cycle caution: discharge the refrigerant system using a freon tm recovery system. If there is no valve to attach the recovery system, install one (such as a watco a-1) before venting the freon...

  • Page 20

    20 room air conditioner disassembly — replacement of the refrigeration cycle. 1. When replacing the refrigeration cycle, be sure to discharge the refrigerant system using a freon tm recovery system. If there is no valve to attach the recovery system, install one (such as a watco a-1) before venting ...

  • Page 21

    Service manual 21 disassembly 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. A compound gauge evaporator (low pressure side) compress...

  • Page 22: Schematic Diagram

    22 room air conditioner schematic diagram wiring diagram schematic diagram power cord assy fan motor compressor rotary switch thermostat capacitor overload protector 1 2 3 4 5 6 7 1 1 1 1 1 1 1 s s s s s s s location no. Description remarks q'ty per set s: service parts n: non service parts model : ...

  • Page 23: Circuit Diagram

    Service manual 23 schematic diagram circuit diagram model : touch & remote control type model location no. 1 2 3 4 5 6 7 8 q'ty per set 1 1 1 1 1 1 1 1 description power cord assembly fan motor compressor display p.W.B assembly main p.W.B assembly thermistor capacitor owerload protector 1 6 4 5 8 3 ...

  • Page 24: Electronic Control Device

    24 room air conditioner electronic control device schematic diagram.

  • Page 25

    Service manual 25 components location(for main p.W.B asm) schematic diagram.

  • Page 26: Troubleshooting Guide

    26 room air conditioner troubleshooting guide troubleshooting guide piping system figure 38 is a brief description of the important components and their function in what is called the refrigeration system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in th...

  • Page 27: Troubleshooting Guide

    Service manual 27 troubleshooting guide 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 impro...

  • Page 28

    28 room air conditioner troubleshooting guide fails to start improper thermistor setting loose terminal connection improper wiring check of power source. Drop of power voltage. Capacitor check. Replacement. Check of control panel setting. Compressor fails only to start. Defect of compressor capacito...

  • Page 29

    Service manual 29 troubleshooting guide ■ model : bg8000er, wg8000ry4, wg1000ry4 electric parts troubleshooting guide: possible trouble 1 • the unit does not operate. Is the trans input power ac 115v? Is the trans output power about ac 14v? Is shorted the trans. Output? Is output voltage of ic01d dc...

  • Page 30

    30 room air conditioner troubleshooting guide is temp. Setting set lower than room temp.-0.5 ° c? Is the voltage no.10 of ic01m 0v? • exchange ic01m. • set the temp. Setting to lower temp. • wait 3 minutes is the unit for 3 minutes delay? • exchange main p.W.B ass'y. Is the voltage n0.7 of ic01m dc ...

  • Page 31

    Service manual 31 troubleshooting guide is the voltage of battery about over 2.3v? • exchange receiver ass'y. Is the connection of cn-disp1 all right? Is the voltage no.16 of cn-disp1 on main p.W.B ass'y dc 5v? • exchange the battery. • check the p.W.B pattern. • connect connector to cn-disp1 exactl...

  • Page 32

    32 room air conditioner troubleshooting guide room air conditioner voltage limits name plate rating minimum maximum 115v ± 10% 103.5v 126.5v complaint cause remedy fan motor will not run. No power check voltage at outlet. Correct if none. Power supply cord check voltage to rotary switch. If none, ch...

  • Page 33

    Service manual 33 troubleshooting guide complaint cause remedy fan motor noise. Fan if cracked, out of balance, or partially missing, replace it. Blower if cracked, out of balance, or partially missing, replace it. Loose set screw tighten it. Worn bearings if knocking sounds continue when running or...

  • Page 34

    34 room air conditioner complaint cause remedy compressor cycles on voltage check the voltage. See the limits on the overload. Preceding page. If voltage is not within these limits, call an electrician. Overload check overload, if externally mounted. Replace if open. (if the compressor temperature i...

  • Page 35: Exploded Vie W

    Service manual 35 exploded view exploded vie w 554030 266003 w0czz 135500 249950 149410 359011 552113 552102 35211a 352113 269300 237200 264100 w5210e-2 w5210e-1 731273 267110 749740 135312 147581 147582 135303 152302 349480 130410 550140 554160 567502 349001 354210 w48602 359012 349600 149980 34681...

  • Page 36: Exploded Vie W

    Service manual 35 exploded view exploded vie w 249950 238310 237200 135500 w0czz 554030 359011 552113 552102 35211a 352113 567480 264100 w5210e-2 w5210e-1 268711-1 268711-2 731273 267110 749740 147581 147582 135312 135303 152302 349480 130410 550140 554160 567502 349001 354210 w48602 359012 149980 3...

  • Page 37

    Wg1205r wg1005r bg8000er wg8005r 130410 base assy,single 3041a20012r 3041a30011d r 130910 cabinet assy,single 3091ar2286x r 135312 grille assy,front(single) 3531a21008a r 135303 grille assy,inlet 3530a10181a r 135500 cover,control(indoor) 3550ar7032a r 147581 louver,horizontal 4758a20051a r 147582 l...

  • Page 38

    P/no. : 3828a26005a december, 200 4 printed in china.