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website http://www.lgservice.com
LG
LG Room
Air Conditioner
SERVICE MANUAL
MODEL: WG1805RY6,RAD-183A
WG2405RY6,RAD-243A
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 Symbols Used in this Manual........................................................................................................
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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 property only. Meanings of symbols used in this manual are as show
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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. • 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 fins on th
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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 660 675 (770) Model 18K Btu 24K Btu Dimension W mm(inch) 660(26") 660(26") 27 27 H mm(inch) 428(16 /32") 428(16 /32") 9 D mm(inch) 675(26 /18") 675(269/18") Service Manual 5 428
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Specfications Product Specifications Table -1 MODELS WG1805RY6 WG2405RY7 ITEMS POWER SUPPLY 1Ø, 208/230V, 60Hz COOLING CAPACITY 17,500/18,000 23,500/23,800 INPUT 1,800/1,850 2,760/2,800 RUNNING CURRENT 9.7 8.5 REFRIGERANT (R-22) CHARGE(g) 720g(25.4oz) 830g(29.3oz) OPERATING INDOOR(°C) 27(DB),19(WB
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Specfications Product Specifications Table -1 MODELS RAD-183A ITEMS POWER SUPPLY 1Ø, 208/230V, 60Hz COOLING CAPACITY 17,500/18,000 INPUT 1,800/1,850 RUNNING CURRENT 9.7 REFRIGERANT (R-22) CHARGE(g) 720g(25.4oz) OPERATING INDOOR(°C) 27(DB),19(WB) TEMPERATURE OUTDOOR(°C
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Specfications Product Specifications Table -1 MODELS RAD-243A ITEMS POWER SUPPLY 1Ø, 208/230V, 60Hz COOLING CAPACITY 23,500/23,000 INPUT 2,760/2,710 RUNNING CURRENT 8.5 REFRIGERANT (R-22) CHARGE(g) 835g(29.3oz) OPERATING INDOOR(°C) 27(DB),19(WB) TEMPERATURE OUTDOOR(°C) 35(DB),24
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Installation Installation Select the Best Location 1.To prevent vibration and noise, make sure the unit is installed securely and firmly. 2.Install the unit where the sunlight does not shine directly FENCE on the unit. AWNING 3.The outside of the cabinet must extend outward for at COOLED AIR least 30cm and there should be no obstacles, such as a HEAT fence or wall, within 50cm from the back of the cabinet RADIATION because it will prevent heat radiation of the condenser. Restriction of outside a
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Installation Window Requirements NOTICE All supporting parts should be secured to firm wood, masonry, or metal. 26" to 41" 1. This unit is designed for installation in standard dou- ble hung windows with actual opening widths from 18" min Stool 26" to 41". Offset The top and bottom window sashes must open suffi- Less ciently to allow a clear vertical opening of 18" from 1 than 1 /4" the bottom of the upper sash to the window stool. Sill 2. The stool offset (height between the stool and sill)
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Installation Suggested Tool Requirements PREPARATION OF CHASSIS Shipping screws 1. Remove the screws which fasten the cabinet at both sides and at the back. Figure 2 2. Slide the unit out 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. Peel off the backing and attach the Foam-PE to the underside of the window sash. Figure 3 4. Remove the backing from Foam-PE with 3 holes and attach it to the bottom
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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 mold- Sill Bracket ings. Support Bracket Loosely attach the sill bracket to the support bracket Carriage using the carriage bolt and the lock nut. Lock nut Bolt (M-Screw) Figure 6 2. Attach the sill bracket to the window sill using the screws (Type B). Machine screw(Type D) Carefully place the cabinet on the window stool and and lock nut align the center mark on th
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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. 11) Figure 11 7. Slide the unit into the cabinet.(See Fig. 12) CAUTION: For security purpose, rein- stall screws(Type A) at cabinet's sides. Power Cord Screw (Type A) Screw Figure 12 8. Cut the Foam-strip to the proper length and insert between the upper window sas
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Operation Operation Features • Designed for COOLING ONLY. • Powerful and whispering cooling. • Built-in adjustable THERMOSTAT • Slide-in and slide-out chassis for the simple instal- • Washable one-touch filter lation and service. • Compact size • Side air-intake, side cooled-air discharge. • Reliable and efficient rotary compressor Control Locations Function of Controls 1. Cooling Only Model • VENTILATION The ventilation lever must be in the CLOSE position in order to maintain the best cooling
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Operation 2. Cooling Only Model with Remote Control and Touch Type DISPLAY REMOTE CONTROL WG2405RY6 WG2405RY6, WG2405RY6 3 2 WG2405RY6 Power 1 8 Temp 5 6 1 Fan Speed 4 Timer Mode 3 2 Energy Auto 4 5 7 Saver Swing 6 7 PRECAUTION: The Remote Control unit will not function properly if bright light strikes the sensor window of the air conditioner or if there are obstacles between the Remote Control unit and the air conditioner. POWER BUTTON Operation starts, when this button is pressed and stops wh
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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 upward . 2. Remove the screw that fastens the front grille. 3. Pull the front grille from the right side. 4. Remove the front grille. 5. Re-install the component by referring to the removal procedure, above.(See Figure 17) NOTICE Mark " "of inlet grille means opening d irection. 2. Cabinet 1. After disassembling the FRONT GR
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Disassembly Air Handling Parts 4. Cover (at the top) 1. Remove the front grille. (Refer to section 17) 2. Remove the cabinet. (Refer to section 18) 3. Remove 11 screws which fasten the brace and covers. 4. Remove the covers and the brace. (See Fig. 20) 5. Re-install the components by referring to the removal procedure, above. Figure 20 5. Blower 1. Remove the cover. (Refer to section 20) 2. Remove the 3 screws which fasten the evaporator at the left side and the top side. 3. Move the evaporator
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Disassembly 6. Shroud 1. Remove the fan. (Refer to section 21) 2. Remove the screw that fastens the shroud. 3. Remove the shroud. (See Figure 24) 4. Re-install the component by referring to the removal procedure, above. Figure 24 Electrical Parts 7. Motor 1. Remove the cabinet. (Refer to section 18) 2. Remove the cover control and disconnect a wire housing in control box. (Refer to section 19) 3. Remove the blower. (Refer to section 21) 4. Remove the fan. (Refer to section 22) 5. Remove the 4 sc
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Disassembly 9. Capacitor 1. Remove the control box. (Refer to section 19) 2. Remove the knobs and the screw that fasten control panel from control box. 3. Remove the screw that located in the front. 4. Open the bottom side of control box. 5. Remove the screw and the clamp that fastens the capacitor. 6. Disconnect all the leads of capacitor terminals. 7. Re-install the components by referring to the removal procedure, above. (See Figure 27) Figure 27 10. Power Cord 1. Remove the control box. (Re
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Disassembly Refrigerating Cycle CAUTION: Discharge the refrigerant TM system using a Freon Recovery System. If there is no valve to attach the recovery system, install one (such as a TM WATCO A-1) before venting the Freon . Leave the valve in place after servicing the system. 13. Condenser 1. Remove the cabinet. (Refer to section 18) 2. Remove the 4 screws that fasten the brace.(Refer to section 20) 3. Remove the 5 screws that fasten the condenser and shroud. 4. After discharging the refrigerant
