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Manafacture: LG File size: 12.04 mb File name: fd543c9c-a3f9-4e39-bf98-098e798d9b8a.pdf Language of manual:

PREFACE 1.1 SAFETY PRECAUTIONS ...............................2 1.2 INSULATION RESISTANCE TEST.................2 1.3 SPECIFICATIONS ..........................................3 1.4 FEATURES .....................................................5 1.5 CONTROL LOCATIONS.................................5 2. DISASSEMBLY INSTRUCTIONS 2.1 MECHANICAL PARTS....................................6 2.1.1 FRONT GRILLE.....................................6 2.1.2 CABINET................................................6 2.1.3 CONTROL BOX.....................................6 2.2 AIR HANDLING PARTS..................................7 2.2.1 ORIFICE, HEATER ASSY AND TURBO FAN .........7 2.2.2 FAN........................................................7 2.2.3 SHROUD................................................8 2.3 ELECTRICAL PARTS .....................................8 2.3.1 MOTOR..................................................8 2.3.2 COMPRESSOR .....................................8 2.3.3 CAPACITOR ..........................................8 2.3.4 POWER CORD......................................9 2.3.5 THERMISTOR .......................................9 2.4 REFRIGERATION CYCLE.................................10 2.4.1 CONDENSER ......................................10 2.4.2 EVAPORATOR ....................................10 2.4.3 CAPILLARY TUBE...............................10 3. INSTALLATION 3.1 INSTALLATION REQUIREMENTS...............13 3.2 INSTALLATION.............................................14 3.3 PROCEDURE A............................................15 3.4 PROCEDURE B............................................16 3.5 PROCEDURE C............................................18 4. TROUBLESHOOTING GUIDE 4.1 OUTSIDE DIMENSIONS...............................20 4.2 PIPING SYSTEM ..........................................20 4.3 TROUBLESHOOTING GUIDE......................21 5. SCHEMATIC DIAGRAM 6. EXPLODED VIEW..................................27 7. REPLACEMENT PARTS LIST .......28 725.1 CIRCUIT DIAGRAM...................................... 1. PREFACE This SERVICE MANUAL provides various service information, including the mechanical and electrical parts etc. This room air conditioner was manufactured and assembled under a strict quality control system. The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit. 1.1 SAFETY PRECAUTIONS 1. When servicing the unit, turn off the air conditioner and unplug the power cord. 2. Observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 3. After servicing the unit, make an insulation resistance test to protect the customer from being exposed to shock hazards. 1.2 INSULATION RESISTANCE TEST 1. Unplug the power cord and connect a jumper between 2 pins (black and white). 2. The grounding conductor (green or green & yellow) is to be open. 3. Measure the resistance value with an ohm meter between the jumpered lead and each exposed metallic part on the equipment. 4. The value should be over 1M.. —2— 1.3 SPECIFICATIONS 1.3.1 FOR BG-101A/LT1010CR/LT121CSG/LT1210CR /LT0810CR/LT080CSG/BG-81A MODELS ITEMS BG-101A/LT1010CR LT121CSG/LT1210CR LT0810CR/LT080CSG /BG-81A REMARK POWER SUPPLY 1O, 115V, 60Hz COOLING CAPACITY (Btu/h) 9,800 11,500 8,000 INPUT (W) 1,110 1,310 830 RUNNING CURRENT (A) 10.2 12.0 7.5 E.E.R (Btu/w.h) 8.8 8.8 9.6 REFRIGERANT (R-22) CHARGE(g) 470g(16.6OZ) 500g(17.6OZ) 545g(19.2OZ) OPERATING TEMPERATURE INDOOR (°C) 26.7(DB) 19.4(WB) OUTDOOR (°C) 35(DB) 23.9(WB) EVAPORATOR 3 ROW 12STACKS 2ROW12STACKS CONDENSER 2ROW 17STACKS, L-BENDING TYPE LOUVERED-FIN TYPE FAN, INDOOR TURBO FAN FAN, OUTDOOR PROPELLER TYPE FAN WITH SLINGER-RING FAN SPEEDS, FAN/COOLING 3/3 FAN MOTOR 4POLES OPERATION CONTROL ELECTRIC ROOM TEMP. CONTROL THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER(RIGHT & LEFT) HORIZONTAL LOUVER(UP & DOWN) CONSTRUCTION TOP-DOWN PROTECTOR COMPRESSOR EXTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 2.3m (3WIRES WITH GROUNDING) ATTACHMENT PLUG(CORD-CONNECTED TYPE, LCDI) DRAIN SYSTEM SPLASHED BY FAN SLINGER NET WEIGHT (lbs/kg) 78/35 80/36 73/33 DIMENSION (W x H x D) (inch) 24 x 1413/32 x 20 3/32 (mm) 610 x 366 x 499 SLEEVE DIMESION (W x H x D) (inch) 25 7/8 x 15 17/32 x 16 23/32 OPTIONAL PART(mm) 656 x 394 x 425 SLEEVE DEPTH WITH FRONT GRILLE (inch) 20 1/2 (mm) 521 —3— 1.3.2 FOR LT1030CR/LT1230CR/BG-123A/LT1430CR MODELS ITEMS LT1030CR LT1230CR/BG-123A LT1430CR REMAR POWER SUPPLY 1O, 230/208V, 60Hz COOLING CAPACITY (Btu/h) 10,000/9,800 11,500/11,200 13,200/12,800 INPUT (W) 1,060/1,040 1,310/1,270 1,550/1,500 RUNNING CURRENT (A) 4.7/5.2 6.0/6.4 7.1/7.6 E.E.R. (Btu/W.h) 9.4/9.4 8.8/8.8 8.5/8.5 OPERATING TEMPERA-TURE INDOOR (°C) 480g(16.9OZ) 485g(17.1OZ) 545g(19.2OZ) OUTDOOR (°C) 26.7(DB) 19.4(WB) REFRIGERANT (R-22) CHARGE(g) 35(DB) 23.9(WB) EVAPORATOR 3 ROW 12STACKS 3 ROW 12STACKS 3 ROW 12STACKS CONDENSER 2ROW 17STACKS, L-BENDING TYPE...

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