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website http://www.lgservice.com
LG
LG Room
Air Conditioner
SERVICE MANUAL
MODEL: HBLG8004R,HBLG8004RA4,HBLG8004RB4,
HBLG1004R, CL8000ER,
M8004R, M8004RY4,
,
M1004R,L8004R L8004RY4,L1004R
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 .....................................................................................................................................................6 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 property only. Meanings of symbols used in this manual are as show
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Safety Precautions Plug in the power plug Do not operate or stop the Do not damage or use an properly. unit by inserting or pulling unspecified power cord. out the power plug. • Otherwise, it will cause • It will cause electric shock or • It will cause electric shock or electric shock or fire. fire. fire. ON ON Do not modify power cord Use the air conditioner on a Always plug into a length. single outlet circuit. grounded outlet. Do not share the outlet with other appliances. • It will cause
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Safety Precautions If water enters the product, turn off the the power Do not clean the air conditioner with water. switch of the main body of appliance. Contact ser- vice center after taking the power-plug out from the socket. • It will cause electric shock or failure of machine. • Water may enter the unit and degrade the insula- tion. It may cause an electric shock. CAUTION Never touch the metal parts of the unit when Do not block the inlet or outlet. removing the filter. • They are sharp an
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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 3 492 (19 /8") 21 42 (1 /32") 21 497 (19 9/16") 42 (1 /32") 15 100.3 (3 / ") 16 3 27.5 (1 /32") Cool F1 LOW 'F F2 MED Energy F3 HIGH Saver Fan TEMP Dry Timer MODE TIMER FAN POWER SPEED 22.5(0.8 3/32") 243.3(9 9/16") 9 497 (19 /16") 3 492 (19 /8") ' C
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Specfications Product Specifications MODELS MODELS MODELS MODELS HBLG8004R(A4/B4) CL8000ER CL8000ER CL8000ER CL8000ER HBLG1004R HBLG1004R HBLG1004R HBLG1004R ITEMS ITEMS ITEMS ITEMS L8004R(Y4)/M8004R(Y4) L1004R/M1004R L1004R/M1004R L1004R/M1004R L1004R/M1004R POWER SUPPLY POWER SUPPLY POWER SUPPLY POWER SUPPLY 1 1 1 1ø ø ø ø, 115V, 60Hz , 115V, 60Hz , 115V, 60Hz , 115V, 60Hz CAPACITY CAPACITY CAPACITY CAPACITY (BTU/h) (BTU/h) (BTU/h) (BTU/h) 8,000 8,000 8,000 8,000 8,000 8,000 8,000 8,000 10,000
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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 sun does not shine directly on the INSIDE OUTSIDE unit. FENCE 3. The outside of the cabinet must extend outward for at least AWNING 12" and there should be no obstacles, such as a fence or COOLED AIR wall, within 20" from the back of the cabinet because it will HEAT prevent heat radiation of the condenser. RADIATION Restriction
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Installation How to Install INNER Window Requirements SILL NOTICE 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 to allow a clear vertical opening of 13" from the bottom of the OUTER sash to the window stool. SILL 2. If storm window presents interference, fasten a 2" wide INDOORS OUTDOORS wood strip to the inn
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CENTER LINE ROOM SIDE Installation BEFORE INSTALLATION 1. Insert the guide panels into the guides of the air conditioner. Fasten the curtains to the unit with screws (TYPE A) as Type A shown Figure. 5. 2. Cut the adhesive-backed seal strip (TYPE D) to the window width. Remove the backing from the seal strip and attach the seal strip to the underside of the bottom window. (Figure. 6) Type A Figure 5 NOW START INSTALLATION SEAL STRIP 1. LOCATING UNIT IN WINDOW (TYPE D) Open the window and mark cen
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Installation 4. SECURE THE GUIDE PANELS L Bracket Extend the guide panels (TYPE F) to fill the window Type A opening using 4 screws (TYPE B) to secure them, as shown in Figure. 11. Sash Seal (Type F) 5. INSTALL THE SASH SEAL AND SASH LOCK Type B a. Cut the sash seal (TYPE E) to the window width. Stuff the sash seal between the glass and the window to prevent air and insects from getting into the room, as shown in Figure. 11. b. Fasten the L bracket using a (TYPE A) screw, as Figure 11 shown in
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Operation Operation • Designed for COOLING ONLY. • Built-in adjustable Thermistor • Powerful and quiet cooling. • Washable one-touch filter • Top-down chassis for the simple instal- • Compact size lation and service. • Equipped with reliable and efficient rotary • Low air-intake, top cooled-air discharge. compressor. Function of Controls DISPLAY REMOTE CONTROL ' Cool F F1 LOW Power F2 MED Energy F3 HIGH 6 1 Saver Fan Temp TEMP 2 Dry Timer 2 Fan Speed FAN 4 MODE TIMER POWER SPEED Timer Mode 5 3
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Disassembly Disassembly — Before the following disassembly, set the CONTROL BOX 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 the screw that fastens the front grille.(See Figure 12) 3. Pull the front grille from the right side. 4. Remove the front grille.(There are 4 hooks.) 5. Re-install the components by referring to the removal procedure, above. 2. Cabinet Figure 12 1. After disassembling the FRONT
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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 15) 8. Remove the 2 screws that fasten the evaporator. 9. Move the evaporator forward and pulling it upward Figure 15 slightly. (See Fig
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Disassembly 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 19) 4. Remove all the leads from the overload protec- tor. 5. Remove the overload protector. 6. Re-install the components by referring to the removal procedure, above. Figure 19 8. Compressor 1. Remove the cabinet. (Refer to section 2) 2. Discharge the refrigerant system using a TM Freon Recovery System. If th
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Disassembly 10. Power Cord 1. Remove the control box. (Refer to section 3) 2. Open the top cover from the control box. (Refer to section 9) 3. Disconnect the front panel from the control box. (See Figure 22) 4. Disconnect two leads from the capacitor and relay. 5. Pull out the power cord. 6. Re-install the component by referring to the above removal procedure, above. (Use only one ground-marked hole for ground connection.) 7. If the supply cord of this appliance is damaged, it must be replaced
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Disassembly Refrigerating Cycle 12. Condenser 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. 1. Remove the cabinet. (Refer to section 2) 2. Remove the 4 screws that fasten the brace.(Refer to section 4) 3. Remove the 5 screws that fasten the condenser and shroud. 4. After discharging the refrigerant c
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Disassembly NOTICE — Replacement of the refrigeration cycle. 6. Recharge as follows : 1. When replacing the refrigeration cycle, be sure to TM 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 suction line through the access valve which
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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. Figure 25B-Charging Figure 25A-Pulling Vacuum Service Manual 19 COMPOUND GAUGE CONDENSER (HIGH PRESSURE SIDE) MANIFOLD GAUGE B A CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR (LOW PRESSURE SIDE) COMPRESSOR LOW HI A B A B EXTERNAL VACUUM PUMP CHARGING CYLINDER C
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Schematic Diagram Schematic Diagram Electronic Control Device 20 Room Air Conditioner 3 9 8 6 7 4 1 5V C02T R01T Q03T 0.001 C104M 1K Rx 11 2 CN-TELE 12 1 C03T 5V D01T SMW200-03 Q04T 0.001 (RD) 1N4148 Model EEPROM R04P A104M 25V 33 R01A C01T 5V 20K Auto Restart O X 0.1 Q01T 22 ROOM-TH CN-TH1 5V 50V 5V C104M SMAW200-02 OSC01B Non Auto Restart Tx X O 1 1 11 R04H R02H RT8.00MG 1 6.2K 12.1K 2 2 3 IC01A Q02T 3.6V 1% 1% S7136 A104M R01B C01A + EEPROM C02A 2 CAT93C46 CN-TH2 1M 0.01 1uF R04P SMW250-02 50
