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LG LT1030HR, Руководство по обслуживанию

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Service Manual  33

Replacement Parts List

Replacement Parts List

R: Service Parts
N: Non Service parts

A

249951

CONTROL BOX ASSY,SINGLE

4995A20811A

R

264110

POWER CORD ASSEMBLY

6411A20048L

R

238310

ESCUTCHEON

3831A10044B

R

263230

THERMISTOR ASSEMBLY

6323A20003F

R

249940

CONTROL BOX,SINGLE

4994A10096A

R

237200

PANEL,CONTROL

3720A10305A

R

268714

PWB(PCB) ASSEMBLY,MAIN

6871A10188D

R

268716

PWB(PCB) ASSEMBLY,MAIN(DC)

6871A20802A

R

W0CZZ

CAPACITOR,DRAWING

6120AR2194D

R

B

554160

COMPRESSOR

2520UTBK055

2520UKHK2AA

R

550140

ISOLATOR,COMP

4H00982E

4H00982E

R

567502

O.L.P

6750U-L028A

6750U-L039A

R

C

352113

TUBE ASSEMBLY,DISCHARGE SINGLE

5211A21421C

R

352115

TUBE ASSEMBLY,EVAPORATOR IN

5211A29024G

5211A29024E

R

35211A

TUBE ASSEMBLY,SUCTION SINGLE

5211A25028A

R

552113

TUBE ASSEMBLY,CONDENSER OUT

5211A21809B

5211A20560L

R

D

352390

AIR GUIDE ASSEMBLY

5239A10002G

R

349001

DAMPER,VENTILATION

4900A20001A

R

E

135312

GRILLE ASSEMBLY,FRONT(SINGLE)

3531A20055F

R

135313

GRILLE,INLET

3530A20020A

R

147581

LOUVER,HORIZONTAL

4758A20008B

R

147582-1

LOUVER,VERTICAL

4758A20009A

R

147582-2

LOUVER,VERTICAL

4758A20009B

R

152302

FILTER(MECH),A/C

5230A20007A

R

F

753010

HEATER ASSEMBLY,ELECTRIC

5301A20011A

R

753011

HEATER,ELECTRIC

5300A20003A

R

349480

ORIFICE

4948A10006A

R

149980

SHROUD

4998A10007B

R

346811

MOTOR ASSEMBLY,SINGLE

4681A20041C

4681A20041M

R

349600

MOUNT,MOTOR

4960A20008A

R

148000

BRACE

4800A30002A

R

435301

GRILLE,REAR

3530A30002A

R

354210

EVAPORATOR ASSEMBLY,FIRST

5421A20071J

R

359012

FAN,TURBO

5900A20009B

R

552206

VALVE, DRAIN

5220A30006A

R

554030

CONDENSER ASSEMBLY,BENT

5403A20040K

5403A20040H

R

559011

FAN ASSEMBLY,AXIAL

5900AR1173A

R

W48602

CLAMP,SPRING

3H02932B

R

130410

BASE ASSEMBLY,SINGLE

3041A10038F

R

130900

CABINET

3090A20003B

R

749180

FRAME

4918A20001A

R

267110

REMOTE CONTROLLER ASSEMBLY

6711A90024G

R

PART NO.

DESCRIPTION

REMARK

LOCATION

NO

.

LT1030HR

LT1230HR

Содержание LT1030HR

Страница 1: ...om Air Conditioner SERVICE MANUAL LG MODEL LT1030HR LT1230HR CAUTION website http www lgservice com BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL ...

Страница 2: ...ions 14 Controls 14 Remote control 15 How to insert batteries 16 Ventilation Control 16 Air Direction 16 Disassembly instructions 17 Mechanical Parts 17 Air Handling Parts 18 Electrical Parts 19 Refrigeration Cycle 21 Schematic Diagram 24 Wiring Diagram 24 Troubleshooting Guide 25 Piping System 25 Troubleshooting Guide 26 Room Air Conditioner Voltage Limits 29 Product specifications 31 Exploded Vi...

Страница 3: ...e it may cause a fire or electrical shock Do not modify or extend the power cord length It will cause electric shock or fire due to heat generation Do not disassemble or modify products It may cause failure and electric shock Be caution when unpacking and installing Sharp edges may cause injury Do not use the power cord near flam mable gas or combustibles such as gasoline benzene thinner etc It ma...

Страница 4: ...nter after taking the power plug out from the socket Ventilate the room well when using this appliance together with a stove etc An oxygen shortage may occur Turn off the power and breaker firstly when cleansing the unit Since the fan rotates at high speed during operation it may cause injury Turn off the main power switch when not using it for a long time Prevent accidental startup and the possib...

Страница 5: ...ts of the unit when removing the fil ter They are sharp and may cause injury Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors Otherwise it may cause dispute with the neighbors Keep level parallel in installing the product Otherwise it may cause vibration or water leakage MODE TIMER POWER FAN SPEED Fan Heat Energy Saver Cool Timer TEM...

Страница 6: ...ill make you sick Be cautious not to touch the sharp edges when installing It may cause injury Avoid excessive cooling and perform ventilation sometimes Otherwise it may do harm to your health Do not insert the hands or bars through the air inlet or outlet during operation Otherwise it may cause person al injury Operation MODE TIMER POWER FAN SPEED Fan Heat Energy Saver Cool Timer TEMP F F1 LOW F2...

Страница 7: ... 32 626 mm 18 458 mm 19 21 32 499 mm MOD E TIME R POW ER FAN SPEE D Fan Heat Energ y Saver Cool Timer TEMP F F1 LOW F2 HIGH 1 4 5 6 7 3 2 8 2 Size options 2 Size options 9 To avoid risk of personal injury property damage or product damage due to the weight of this device and sharp edges that may be exposed Air conditioners covered in this manual pose an excessive weight hazard Two or more people a...

Страница 8: ...eve NOTICE 8 Room Air Conditioner Installation Installation How to Install We strongly recommend the removal of the old wall sleeve and the installation of a new LGE Wall Sleeve If you decide to keep the existing wall sleeve you have to redirect the louvers at the back of the wall sleeve illus tration The use of pliers is recommended If you DO NOT redirect you run the risk of poor performance or p...

Страница 9: ... the metal rear grille and replace it with the plastic rear grille to improve unit energy efficiency The plastic grille reduces the amount of hot air dis charge that recirculates through the unit 5 Install the new unit into the wall sleeve 6 To assemble trim snap the tab of each piece into the slot of the other piece as shown below Slide trim over the front of the air conditioner until trim is flu...

Страница 10: ...strip 13 8 x 5 8 x 273 16 and attach that to the inside bot tom of the sleeve as shown below Remove the backing from the Around Insulation strip 13 8 x 3 4 x 611 2 and attach that to the inside front of the sleeve as shown below 5 Remove the metal rear grille and replace it with the plastic rear grille to improve unit energy efficiency The plastic grille reduces the amount of hot air dis charge th...

Страница 11: ... trim is flush with sleeve as shown below Wall Wall Sleeve Baffle 7 5 16 Front Support Block FIG 15 Wall Trim 2 ea MOD E TIME R POW ER FAN SPEE D Fan Heat Energy Saver Cool Timer TEMP F F1 LOW F2 HIGH FIG 16 Air conditioners covered in this manual pose an excessive weight hazard Two or more people are needed to move and install the unit To prevent injury or strain use proper lifting and carrying t...

Страница 12: ...anges 4 Remove the backing from the Horizontal Insulation strip 13 8 x 13 8 x 273 16 and attach that to the inside bottom of the sleeve as shown below Remove the backing from the Around Insulation strip 13 8 x 13 8 x 611 2 and attach that to the inside front of the sleeve as shown below 5 If the depth of your existing sleeve is less than or equal to 18 skip to step 7 Otherwise cut the baf fles and...

Страница 13: ...ide trim over the front of the air conditioner until trim is flush with sleeve as shown below FIG 23 1 high 3 4 High Shim 2EA 6 6 FIG 24 Steel rear grille Plastic rear grille MOD E TIME R POW ER FAN SPEE D Fan Heat Energy Saver Cool Timer TEMP F F1 LOW F2 HIGH FIG 25 Wall Trim 2 ea MOD E TIME R POW ER FAN SPEE D Fan Heat Energy Saver Cool Timer TEMP F F1 LOW F2 HIGH FIG 26 Air conditioners covered...

Страница 14: ...o set number of hours until shut off For your sleeping comfort once Time is set the Temperature setting will raise 2 F after 30 min and once again after another 30 min Push Timer button to advance setting from 1Hour 2Hours 12Hours maximum START TIME If unit is off use Timer to set number of hours before unit starts Push Timer button to advance setting from 1Hour 2Hours 12Hours maximum TEMPERATURE ...

Страница 15: ...30 min and once again after another 30 min Push Timer button to advance setting from 1Hour 2Hours 12Hours maximum START TIME If unit is off use Timer to set of hours before unit starts Push Timer button to advance setting from 1Hour 2Hours 12Hours maximum MODE Push this button to shift mode of operation from COOL ENERGY SAVER FAN Heat COOL Fan runs continually for normal cooling operation ENERGY S...

Страница 16: ...moke or stale air from the room This feature is best used in conjunction with the FAN ONLY position The direction of air can be controlled by adjusting the horizontal and ver tical louvers HORIZONTAL AIR DIRECTION CONTROL The horizontal air direction is adjusted by moving the vertical louver The lever for the vertical louver is located in the right and left side of the air discharge VERTICAL AIR D...

Страница 17: ... section 1 2 Remove the screw which fasten the control box See Fig 29 3 Pull the control box from the barrier See Fig 29 4 Discharge the capacitor by placing a 20 000 ohm resistor across the capacitor terminals 5 Disconnect two wire housings in the control box 6 Pull the control box forward completely 7 Re install the components by referring to the removal procedure See Fig 29 Refer to the circuit...

Страница 18: ...lamp which secures the turbo fan with plier See Fig 32 9 Remove the turbo fan with plier or your hand with out touching blades See Fig 33 10 Re install the components by referring to the removal procedure above 5 FAN 1 Remove the cabinet Refer to section 2 2 Remove the brace and shroud cover Refer to section 4 3 Remove the 6 screws which fasten the condenser 4 Move the condenser sideways carefully...

Страница 19: ...tall one such as a WATCO A 1 before venting the FreonTM Leave the valve in place after servicing the system 3 Disconnect the 3 leads from the compressor 4 After purging the unit completely unbraze the suc tion and discharge tubes at the compressor con nections 5 Remove the 3 nuts and the 3 washers which fas ten the compressor See Fig 37 6 Remove the compressor 7 Re instill the components by referr...

Страница 20: ...ly 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 fit ted to the unit 11 THERMOSTAT 1 Remove the control box Refer to section 3 2 Unfold the control box Refer to section 9 3 Disconnect the theristor terminals from main P W B assembly 4 Remove the thermostat See Fig 40 5 Re install ...

Страница 21: ... evaporator sideward carefully and then unbraze the interconnecting tube at the evaporator connectors 5 Remove the evaporator 6 Re install the components by referring to notes See Fig 42 14 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 2 After discharging the refrigerant completely unbraze the interconnecting tube at the capillary tube 3 Remove the capillary tube 4 Re install the componen...

Страница 22: ...ge the line at the manifold connection 5 The system is now ready for final charging 6 Recharge 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 Fig 43B With valve C ope...

Страница 23: ...apa ble 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 FIG 43A Pulling Vacuum FIG 43B Charging A B EXTERNAL VACUUM PUMP A CHARGING CYLINDER LOW HI B C ...

Страница 24: ...24 Room Air Conditioner Schematic Diagram Schematic Diagram Wiring Diagram ELECTRIC HEATING MODEL ...

Страница 25: ...MPRESSOR OIL LIQUID REFRIGERANT CAPILLARY TUBE OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH SUCTION LIME 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 PEFRIGERANT LOW PRESSURE VAPOR ROOM AIR CONDITIONER EVAPORATOR COILS CONDENSER COILS CYCLE OF REFRIGERATION CONDE...

Страница 26: ...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 6 50 F Check heat load increase Unexpected residue Overloaded Circuit Check of inside gas pressure Adjusting of refrigerant charge Malfunction of compressor Replacement of compressor Check of cold air circulation for smooth flow ...

Страница 27: ...regular 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 Check capacitor Replacement Only compressor fails to start Defect of compressor capacito...

Страница 28: ... s Check fan motor bearings if motor shaft will not rotate replace the motor Check voltage See limits on this page If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate freely 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 Check grommets if worn or missing replace them If cr...

Страница 29: ...if circuit is open Check the position of knob If not at the coldest setting advance the knob to this setting and restart unit Check continuity of the thermostat Replace thermostat if circuit is open Check the capacitor Replace if not within 10 of manufacturers rating Replace if shorted open or damaged Check the compressor for open circuit or ground If open or grounded replace the compres sor Check...

Страница 30: ... causing the compressor to cycle 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 of replace Close if open Determine if the unit is properly sized for the area to be cooled Check the set screw or clamp If loose or missing correct If the blower or fan is hitting air guide rearrange the air ha...

Страница 31: ...210 1 250 5 2 4 7 6 2 5 8 9 4 9 4 9 200 11 200 2 900 3 500 14 0 15 3 26 7 DB 19 4 WB 35 DB 23 9 WB 21 1 DB 15 6 WB 8 3 DB 6 1 WB 465 16 40 OZ 470 16 6 OZ 3 ROW 12 STACKS 2 ROW 17 STACKS L BENDED TYPE TURBO FAN PROPELLER TYPE FAN WITH SLINGER RING 2 2 2 6 POLES 4 POLES TOUCH PANEL THERMISTOR VERTICAL LOUVER RIGHT LEFT HORIZONTAL LOUVER UP DOWN TOP DOWN 3 5KW 230V EXTERNAL OVERLOAD PROTECTOR INTERAN...

Страница 32: ...130410 W48602 130900 435301 135312 147581 147582 2 147582 1 352390 148000 554160 550140 149980 359012 152302 135313 E D F C B 749180 249940 249951 267110 A 264110 268716 268714 238310 263230 W0CZZ 237200 MO DE TIM ER PO WER FAN SP EE D Fan Energ y Saver Co ol Tim er TE MP F F1 LOW F2 MED F3 HIGH 352115 35211A 352113 552113 552206 ...

Страница 33: ... ASSEMBLY 5239A10002G R 349001 DAMPER VENTILATION 4900A20001A R E 135312 GRILLE ASSEMBLY FRONT SINGLE 3531A20055F R 135313 GRILLE INLET 3530A20020A R 147581 LOUVER HORIZONTAL 4758A20008B R 147582 1 LOUVER VERTICAL 4758A20009A R 147582 2 LOUVER VERTICAL 4758A20009B R 152302 FILTER MECH A C 5230A20007A R F 753010 HEATER ASSEMBLY ELECTRIC 5301A20011A R 753011 HEATER ELECTRIC 5300A20003A R 349480 ORIF...

Страница 34: ...P No 3828A20040J Printed in Korea ...

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