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website http://www.lgservice.com
LG
LG Room
Air Conditioner
SERVICE MANUAL
MODELS: LW1800PR
LW1800ER
LW1800ERZ3
LW1500PR
LW1500PRY3
LWP1830WAL
LWP1820PDL
LWP1820PEL
LWC182PLMM0
LWC183PLMD1
LWC212PLMM0
LW1804ER
LW1800PRZ3
HBLG1803R
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
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Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions..........................................................................................................................................3 Dimensions .....................................................................................................................................................5 Outside dimensions.................................................................................................................
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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 instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. WARNING CAUTION This symbol indicates the possibility of injury or damage to properties only. Meanings of symbols used in this manual are as sh
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Safety Precautions Do not modify or extend the power cord. Do not install, remove, or re-install the unit by yourself(customer). • There is risk or fire or electric shock. • There is risk of fire, electric shock, explosion, or injury. Be cautious when unpacking and installing Do not store or use flammable gas or com- the product. bustibles near the air conditioner. • Sharp edges could cause injury. Be especially careful • There is risk of fire or failure of product. of the case edges and the
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Dimensions Dimensions Symbols Used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. NOTICE This symbol indicates special notes. Outside Dimensions D W Cool 'F F1 LO F2 MED W Energy F3 HIGH Saver Fan Dry Timer TEMP MODE TIMER FAN POWER SPEED H Model ALL MODELS Dimension 31 W mm(inch) 660(25 /32) 27 H mm(inch) 428(16 /32) 27 D mm(inch) 680(26 /32) Service Manual 5
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Specfications Product Specifications LW1800PR MODELS LW1800ER LW1500PR LW1804ER LWP1820PDL LWP1830WAL LWC182PLMM0 LWC212PLMM0 HBLG1803R LWC183PLMD1 LW1800ERZ3 LW1500PRY3 LWP1820PEL ITEMS LW1800PRZ3 POWER SUPPLY 1ø, 208/230V, 60Hz 1ø, 115V, 60Hz 1ø, 220V, 60Hz 1ø, 220V, 60Hz 1ø, 208/230V, 60Hz CAPACITY (BTU/h) 18,000 15,000 18,000 24,000 17,500/18,000 INPUT (W) 1,670 1,300 1,930 1,890 2,440 1,620/1,670 COOLING RUNNING CURRENT (A) 7.5 7.8 12 9.0 8.8 11.5 10.8 9.0/8.3 E.E.R (BTU/W.h) 10.8 11.5 9.5
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Installation Installation Select the Best Location 1. To avoid vibration and noise, make sure the unit is installed 1/4 Bubble securely and firmly. 2. Install the unit where the sunlight does not shine directly on the unit. If the unit receives direct sunlight, build an awning to shade the cabinet. 3. There should be no obstacle, like a fence, within 20" which Level might restrict heat radiation from the condenser. 4. To prevent reducing performance, install the unit so that louvers of the cabin
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Installation How to Install When Using Installation Kits 1. Window Requirements 29" to 41" This unit is designed for installation in standard double hung windows with actual opening 18" min Stool Offset widths from 29" to 41". 1 The top and bottom window sash must open suffi- Less 1 /4" ciently to allow a clear vertical opening of 16" from Sill the bottom of the upper sash to the window stool. Exterior Interior wall 26" min (Without frame curtain) 2. Installation Kits Contents Foam strip Foam-P
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COOL HEA DEFR TOST Suggested tool Requirements SCREWDRIVER(+, -), RULER, KNIFE, HAMMER, PENCIL, LEVEL Preparation of Chassis Shipping Screws 1. Remove the screws which fasten the cabinet at both sides and at the back. Keep these two screws which fasten the cabinet at both sides for later use. 2. Slide the unit out from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet. Figure 2 3. Cut the window sash seal to the proper length. Peel off the backing and att
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Installation Cabinet Installation 1. Open the window. Mark a line on the center of the window stool between the side window stop moldings. Sill Bracket Loosely attach the sill bracket to the support bracket using Support Bracket the carriage bolt and the lock nut. Carriage Lock nut Bolt (M-Screw) Figure 5 2. Attach the sill bracket to the window sill using the screws Machine screw (Type D) (Type B). and lock nut Carefully place the cabinet on the window stool and align the Cabinet Track hole O
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Installation 5. Pull each Frame curtain fully to each window sash track, and pull the bottom window sash down behind the Top retainer bar until it meets. 6. Attach each Frame curtain the window sash by using screws (Type C). (See Fig. 10) Figure 10 7. Slide the unit into the cabinet. (See Fig. 11) CAUTION: For security purpose, reinstall screws (Type A) at cabinet's sides. Power Cord Screw (Type A) Screw Figure 11 8. Cut the Foam-strip to the proper length and insert between the upper window sas
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Operation Operation Function of Controls • Designed for COOLING ONLY. • Built-in adjustable Thermistor • Powerful and quiet cooling. • Washable one-touch filter • Slide-in and slide-out chassis for the simple instal- • Compact size lation and service. • Equipped with reliable and efficient rotary • Low air-intake, top cooled-air discharge. compressor. DISPLAY REMOTE CONTROL LW1800PR, LW1500PR, LW1500PRY3, LW1800PRZ3 LWP1830WAL, LW1804ER 6 6 AIR PURIFIER Air Power Purifier 7 1 COOL FAN DRY HEAT
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Operation FAN SPEED SELECTOR Every time you push this button, it is set as follows. (Hi ➔ Low ➔ Med ➔ Hi ➔ Low ➔ ...) COOL FAN DRY HEAT DEFROST COOL FAN DRY HEAT DEFROST COOL FAN DRY HEAT DEFROST FAN FAN FAN ENERGY ENERGY ENERGY SAVER SAVER SAVER INDOOR DESIRED AIR INDOOR DESIRED AIR INDOOR DESIRED AIR PURYFIER PURYFIER PURYFIER AUTO AUTO AUTO RESTART RESTART RESTART HIGH LOW MED ON/OFF TIMER BUTTON You can set the time when the unit will turn on or turn off automatically by pressing the timer
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Operation DISPLAY REMOTE CONTROL LW1800ER LWC182PLMM0, LWC212PLMM0 6 7 6 Power Power °F 1 1 F1 LOW F2 MED Temp Temp F3 HIGH 2 2 DRY COOL Fan Speed Fan Speed 2 4 4 TIMER FAN ENERGY Timer Mode Timer Mode SAVER 5 3 5 3 FAN TIMER MODE TEMP POWER Auto SPEED Swing 7 5 4 3 2 1 3 5 4 1 LW1800ERZ3, HBLG1803R ˚F Cool F1 LOW F2 MED Energy F3 HIGH 6 Saver Fan TEMP 2 Dry Timer 3 5 4 1 Precaution: The Remote Control unit will not function properly if strong light strikes the sensor window of the air conditio
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Operation LWP1820PDL/PEL DISPLAY REMOTE CONTROL 6 1 4 2 1 5 4 3 2 5 3 7 6 4 1 5 3 2 POWER BUTTON Operation starts, when this button is pressed and stops when you press the button again. ROOM TEMPERATURE SETTING BUTTON Control the room temperature within a range of 16°C to 30°C. The room temperature will be adjusted by 1˚C 30min., and by 2˚C 1 hour later. OPERATION MODE SELECTION BUTTON Select Cooling, Heating, or Fan mode with this button. FAN SPEED SELECTOR Select the fan speed. Cooling Model
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MODE TIMER FAN POWER SPEED FAN MODE TIMER SPEED POWER COOL FAN DRY HEAT DEFROST FAN EN SE AR VG ER Y INDOOR DESIRED PUA RIY RFIER RA E U ST TO ART Cool F1 LOW ˚C Energy FF 2 3 M H E I D GH Saver Fan Dry Timer TEMP Cool F1 LOW ˚C Energy FF 2 3 M H E ID GH Saver Fan Dry Timer TEMP Disassembly Disassembly — Before the following disassembly, CONTROL BOX set to OFF and disconnect the power cord. Mechanical Parts 1. Front Grille 1. Open the lnlet grille downward and remove the air filter. 2. Remove
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Disassembly Air Handling Parts 4. Air Guide and Turbo Fan 1. Remove the front grille. (Refer to section 1) 2. Remove the cabinet. (Refer to section 2) 3. Remove the control box. (Refer to section 3) 4. Remove the 4 screws that fasten the brace. 5. Remove the brace. 6. Remove the 2 screws that fasten the air guide upper. 7. Remove the air guide upper.(See Figure 18) 8. Remove the 2 screws that fasten the evaporator. 9. Move the evaporator forward and pulling it upward Figure 18 slightly. (See Fig
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Disassembly 6. Shroud 1. Remove the fan. (Refer to section 5) 2. Remove the shroud. (See Figure 22) 3. Re-install the components by referring to the removal procedure, above. Figure 22 Electrical Parts 7. Overload Protector 1. Remove the cabinet. (Refer to section 2) 2. Remove the nut that fastens the terminal cover. 3. Remove the terminal cover. (See Figure 23) 4. Remove all the leads from the overload protec- tor. 5. Remove the overload protector. 6. Re-install the components by referring to t
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FAN MODE TIMER POWER SPEED MODE TIMER FAN POWER SPEED COOL FAN DRY HEAT DEFROST FAN ENERGY SAVER INDOOR DESIRED AIR PURYFIER AUTO RESTART COOL FAN DRY HEAT DEFROST FAN EN SA ERG VEY R INDOOR DESIRED PUR AIR YFIER AUTO RESTART Cool ˚C F1 LOW F2 MED Energy F3 HIGH Saver Fan TEMP Dry Timer Cool F1 LOW ˚C F2 MED Energy F3 H IGH Saver Fan Dry Timer TEMP Disassembly 9. Capacitor 1. Remove the control box. (Refer to section 3) 2. Open the top cover from the control box. (See Figure 25) 3. Pull out t
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Disassembly 11. Motor 1. Remove the cabinet. (Refer to section 2) 2. Remove the turbo fan. (Refer to section 4) 3. Remove the fan. (Refer to section 5) 4. Remove the 4 screws that fasten the motor from the air guide. (See Figure 27) 5. Remove the motor. 6. Re-install the components by referring to the removal procedure, above.(See Figure 27) Figure 27 Refrigerating Cycle 12. Condenser CAUTION: Discharge the refrigerant TM system using a Freon Recovery System. If there is no valve to attach the r
