LG HBLG1200H, Manual

Page 1: ...ing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com MODEL LWC1031DAG DAS LWC1213AAS ACG AAG Y5USC12 6A LWC1232ACG DAG ACP AAS DAS LWC1232A5S HBLG1200H LWC1430AAG R1404 LWC143CSAA0 ...

Page 2: ...4 2 PIPING SYSTEM 19 4 3 TROUBLESHOOTING GUIDE 20 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM 24 6 EXPLODED VIEW 25 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 precaut...

Page 3: ...220 1 200 5 5 5 6 2 5 5 5 8 10 3kJ W h 9 8 9 7 11 200 9 200 11 200 3 500 2 900 3 500 15 3 14 15 3 26 7 DB 19 4 WB 35 DB 23 9 WB 510g 18 0oz 555g 19 4oz 2R16S SLIT FINTYPE 2R 13S LOUVERED FIN TYPE 2R 17S LOUVERED FIN TYPE BLOWER PROPELLER TYPE FAN WITH SLINGER RING 2 3 2 3 1 2 2 2 3 6 POLES ROTARY SWITCH OR ROCKER SWITCH THERMOSTAT VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN SLIDE IN OUT C...

Page 4: ... 1 400 1 380 11 6 2 12 9 8 10 10 1 26 7 DB 19 4 WB 35 DB 23 9 WB 530g 18 7oz 670g 23 6oz 550g 19 4oz 2R 16S SLIT FIN TYPE 2R 13S SLIT FIN TYPE 2R 13S SLIT FIN TYPE 2R 17S LOUVERED FIN TYPE 2R 14S LOUVERED FIN TYPE 2R 17S LOUVERED FIN TYPE TURBO FAN BLOWER TURBO FAN PROPELLER TYPE FAN WITH SLINGER RING 2 3 6 POLES ROTARY SWITCH OR ROCKER SWITCH THERMOSTAT VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVE...

Page 5: ... without cooling High Cool Cooling with high speed fan operation Med Cool Cooling with med speed fan operation Low Cool Cooling with low speed fan operation Built in adjustable THERMOSTAT Washable one touch filter Compact size Reliable and efficient rotary compressor is equipped CLOSE VENT OPEN Thermostat Warmer Cooler BEFORE RESTARTING WAIT THREE MINUTES Operation 1 Thermostat Operation 2 3 4 9 8...

Page 6: ...n 2 1 1 2 Remove the cabinet Refer to section 2 1 2 3 Remove the 2 screws which fasten the control box cover 4 Remove two housings which connect compressor wire and motor wire in the control box 5 Discharge the capacitor by placing a 20 000 ohmresistor across the capacitor terminals 6 Remove the 2 screws which fasten the control box 7 Pull the control box forward completely 8 Re install the compon...

Page 7: ...ectric Heater Model 11 Remove the Heater cover See Figure 5 at Electric Heater Model 12 Pull out the hook of orifice by pushing the tabs and remove it See Figure 6 13 Remove the clamp with a hand plier which secures the blower 14 Remove the blower 15 Remove the 4 screws which fasten the air guide from the barrier 16 Move the air guide backward pulling out from the base pan 17 Re install the compon...

Page 8: ...emove the overload protector 6 Re install the component by referring to the removal procedure above 2 3 2 COMPRESSOR 1 Remove the cabinet Refer to section 2 1 2 2 Discharge the refrigerant system using a FreonTM Recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the FreonTM Leave the valve in place after servicing the system 3 Remove t...

Page 9: ...e install the component by referring to the above removal procedure above Use only one ground marked hole for ground connection 8 If the supply cord of this appliance is damaged it must be replaced by the special cord The special cord means the cord which has the same specification marked on the supply cord attached at the unit 2 3 5 THERMOSTAT 1 Remove the control box Refer to section 2 1 3 2 Ope...

Page 10: ...ews which fasten the brace Refer to section 2 2 1 3 Remove the 5 screws which fasten the condenser and shroud 4 After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections 5 Remove the condenser 6 Re install the component by referring to notes See Figure 16 2 4 2 EVAPORATOR 1 Remove the cabinet Refer to section 2 1 2 2 Remove the 2 screws which fasten...

Page 11: ...as follows 1 Refrigeration cycle systems are charged from the High side If the total charge cannot be put in the High side the balance will be put in the suction line through the access valve which you installed as the system was opened 2 Connect the charging cylinder as shown in figure 18B With valve C open discharge the hose at the manifold connection 3 Open valve A and allow the proper charge t...

Page 12: ...e 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 COMPRESSOR CAPILLARY TUBE CONDENSER HIGH PRESSURE SIDE SEE INSETS BELOW MANIFOLD GAUGE B Figure 18A Pulling Vacuum Figure 18B Charging A B EXTERNAL VACUUM PUMP A CHARGING CYLINDER LOW HI B C ...

Page 13: ...ust be checked prior to initial starting The undermentioned items are especially important checking points when the installation is finished 1 Grounding wire Green or Green and Yellow is provided in the power cord The green wire must be grounded 2 Connect to a single outlet 15A circuit or 20A circuit for Electric Heater Model 3 To avoid vibration or noise make sure the air conditioner is installed...

Page 14: ...y gripping the base pan handle and pulling forward while bracing the cabinet 3 Remove EPS Material 4 Slide the unit into the cabinet CAUTION For security purpose reinstall screw at cabinet s sides 5 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the fornt of the cabinet Push the grille in until it snaps into place 6 Lift the inlet grille and secure it w...

Page 15: ... 2 3 4 9 8 7 6 5 Off Med Fan Low Fan High Cool Med Cool Low Cool 1 Thermostat Operation 2 3 4 9 8 7 6 5 Off Med Fan Low Fan High Cool Med Cool Low Cool Auto Swing Off On Auto Swing Off On 1 WINDOW WIDTH A HEIGHT B 2 GASKET 3 WALL 4 DETAILS 5 1 x 30 ROUND HEAD WOOD SCREWS A B C D E F H I 625mm 392mm 280mm 30mm 0 25mm OVER 420mm 5 10mm 5 5mm 245 8 157 16 111 32 11 16 0 1 OVER 1617 32 3 16 3 8 3 16 3...

Page 16: ...he Frame Curtain into the upper guide and frame guides 9 Fasten the curtains to the unit with 4 Type A screws at the both sides 3 6 CABINET INSTALLATION 1 Open the window Mark a line on center of the window stool or desired air conditioner location Carefully place the cabinet on the window stool and align the center mark on the bottom front with the center line marked in the window stool 2 Pull th...

Page 17: ...you install the cabinet frame guides are broken easily 5 Attach the sill support to the cabinet track hole in relation to the selected position using 2 Type A screws in each support See Figure 25 6 The cabinet should be installed with a very slight tilt about 1 2 downward toward the outside See Figure 26 Adjust the bolt and the nut of sill support for balancing the cabinet 7 Attach the cabinet to ...

Page 18: ...4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS unit mm inch 10 Slide the unit into the cabinet See Fig 28 CAUTION For security purpose reinstall screws Type A at the cabinet s sides 11 Cut the foam strip to the proper length and insert between the upper and lower window sash See Fig 29 12 Attach the window locking bracket with a type C screw See Fig 30 13 Attach the front grille to the cabinet by ...

Page 19: ...ow of the refrigerant in the cooling cycle MOTOR COMPRESSOR OIL LIQUID REFRIGERANT CAPILLARY TUBE OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH SUCTION LINE COOL LOW PRESSURE VAPOR COOLED AIR COMPLETE LIQUID BOIL OFF POINT LIQUID PRESSURE DROP ROOM AIR HEAT LOAD VAPOR INLET HOT DISCHARGED AIR LIQUID OUTLET HIGH PRESSURE VAPOR LIQUID REFRIGERANT LOW PRESSURE VAPOR ROOM AIR CONITIONER EVAPORATOR ...

Page 20: ...Check outdoor coil heat exchanger the fan operation Check gas leakage Repair gas leak Replacement of unit if the unit is beyond repair Satisfactory operation with temperature difference of inlet outlet air 44 50 F 7 10 C Check heat load increase Clean condenser Not on separate circuit Check inside gas pressure Adjusting of refrigerant charged Malfunction of compressor Replacement of compressor Che...

Page 21: ...pacitor Irregular motor resistance Irregular motor insulation Replacement of fan motor Regular but fails to start Replacement of compressor locking of rotor metal Improper thermostat setting Loose terminal connection Improper wiring Irregular motor resistance Irregular motor insulation Replacement of compressor Motor damaged Drop of power voltage Capacitor check Replacement Compressor only fails t...

Page 22: ...ely If not replace fan motor Pay attention to any change from high speed to low speed If the speed does not change replace the motor If cracked out of balance or partially missing replace it If cracked out of balance or partially missing replace it Tighten it If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace ...

Page 23: ...ed clean carefully with a vacuum cleaner do not damage fins or brush Clean the interior base before reassembling If condenser fins are closed over a large area on the coil surface head pressures will increase causing the compressor to overload Straighten the fins or replace the coil Test capacitor Check the terminals If loose repair or replace Check the system for a restriction If restricted clean...

Page 24: ...5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM 24 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only COOLING ONLY MODEL ELECTRIC HEATING MODEL ...

Page 25: ...erved Only for training and service purposes LGE Internal Use Only 269300 266003 W0CZZ 264110 137215 249950 149410 135303 352111 559011 149980 148000 349600 346811 352390 359012 354210 152302 135312 130410 147582 147581 35211A 352113 550140 554160 349001 554030 130910 ...

Page 26: ...P NO 3828A20140J FEBRUARY 2008 ...