Service Manual - Appliance Factory Parts
Contents
1. 6 Fasten Upper Guide on the top of the Air Conditioner using 3 Type A screws See Figure 25 7 Measure height of window opening from top of Bracket assembly as shown Fig 26 Subtract 20 3 4 inches Mark this measurement on Curtain and cut the Curtain See Figure 26 Copyright 2007 LG Electronics Inc All right reserved 14 Only for training and service purposes Bolt Bracket Support Bracket Figure 22 E i an me Li s inches A Window Track Seal Window Track Figure 23 about 1 4 Figure 24 Fastening Side Guides Upper Guide Z Side Guide Figure 25 ZA jp RY AN NN Figure 26 LGE Internal Use Only 8 Slide Curtain into Curtain Frame Slide Curtain Frame assembly into side Guides of the Air Conditioner Curtain Frame cabinet Make sure Curtain is firmly enclosed on all WS Figure 27 Curtain sides by the Frame See Figure 27 9 Cut side Guide seal into 2 equal lengths Remove protective backing and apply it to the rear side of cabinet Side Guides starting just below Curtain Frame assembly Pinch off excess length so seal is even with the bottom of side Guide See Figure 28 10 Place Air Conditioner in window opening It should sit on Bracket assembly so that Curtain Frame and cabinet Side Guides are against top and side window jambs Mate front of Bracket with Base Guide attached to the bottom of base pa2. Refer to section 2 1 2 3 Remove the 1 screw which fasten the power cord See Figure 3 4 Disconnect the grounding screw from the evaporator channel Figure 2 5 Remove the 2 screws which fasten the control box See Figure 3 6 Remove the housing which connects motor wire in the control box 7 Remove three leads which connect compressor 8 Discharge the capacitor by placing a 20 000 ohm resistor across the capacitor terminals 9 Raise the control box upward completely 10 Re install the components by referring to the removal procedure above Refer to the circuit diagram found on pages 21 22 in this manual and on the control box Figure 3 Copyright 2007 LG Electronics Inc All right reserved 5 Only for training and service purposes LGE Internal Use Only 2 2 AIR HANDLING PARTS 2 2 1 AIR GUIDE AND TURBO FAN Remove the front grille Refer to section 2 1 1 Remove the cabinet Refer to section 2 1 2 Remove the control box Refer to section 2 1 3 Remove the 4 screws which fasten the brace Remove the brace Remove the 2 screws which fasten the upper air guide See Figure 4 7 Remove the upper air guide 8 Remove the 2 screws which fasten the evaporator Figure 4 9 Move the evaporator forward and pulling it upward slightly See Figure 5 10 Remove orifice by pulling two taps 11 Remove the clamp with a hand plier which secures the turbo fan 12 Remove
3. Figure 11 2 3 4 POWER CORD 1 Remove the cabinet Refer to section 2 1 2 2 Disconnect the grounding screw from the control box 3 Disconnect the 2 receptacles 4 Remove a screw which fastens the clip cord See Figure 12 5 Remove 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 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 Remove the cabinet Refer to section 2 1 2 Remove the 2 screws which fasten the thermostat Disconnect 2 leads of thermostat terminals Remove the thermostat Re install the components by refering to the above removal procedure See Figure 13 oa AOUN 2 3 6 ROTARY SWITCH 1 Remove the cabinet Refer to section 2 1 2 2 Remove the 2 screws which fasten the rotary switch 3 Disconnect all the leads of the rotary switch terminals 4 Remove the rotary switch 5 Re install the components by referring to the above removal procedure See Figure 14 Figure 14 Copyright 2007 LG Electronics Inc All right reserved 8 Only for training and service purposes LGE Internal Use Only 2 3 7 MOTOR ae 2 3 4 on Remove the cabinet Refer to section 2 1 2 Remove the tur
4. high speed fan operation o tw MED Cooling with med speed fan operation Poors LOW Cooling with low speed fan operation NOTE Before using the air conditioner secure the front grille with two screws enclosed with the owner s manual 1 Open the inlet grille downward and remove the air filter 2 Fasten the front grille with screws 3 Reinstall the air filter 4 Close the inlet grille Inlet Grille Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 DISASSEMBLY INSTRUCTIONS Before the following disassembly set POWER SWITCH to OFF and disconnect the power cord 2 1 MECHANICAL PARTS 2 1 1 FRONT GRILLE 1 Open the inlet grille downward and remove the air filter 2 Remove the screws which fasten the front grille See Figure 1 3 Pull the front grille from the right side Remove the front grille There are 4 hooks 5 Re install the components by referring to the removal procedure above gt 2 1 2 CABINET l 1 After disassembling the FRONT GRILLE remove Figure 1 Inlet Grille the 6 screws which fasten the cabinet at both sides See Figure 2 2 Remove the 4 screws which fasten the cabinet at back 3 Remove the cabinet 4 Re install the components by referring to the removal procedure above 2 1 3 CONTROL BOX 1 Remove the front grille Refer to section 2 1 1 2 Remove the cabinet
5. or replace loose terminal Capacitor Discharge capacitor before testing Test capacitor Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or blower wheel hitting scroll Realign assembly Units using slinger ring for condenser fan must have 1 4 to 8 16 inch clearance to the base If it hits the base shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft will not rotate replace the motor Fan motor runs Revolves on overload intermittently Check voltage 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 Fan motor noise Fan If cracked out of balance or partially missing replace it Blower If cracked out of balance or partially missing replace it Loose clamper Tighten it Worn bearings If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor Compressor will not run Voltage but fan motor runs Check voltage If not within limits call an electrician Wiring Check the wire connections if loose repair or replace the terminal If wires are off refer to w
6. the turbo fan See Figure 6 13 Remove the motor Refer to section 2 3 7 14 Remove the 2 screws which fasten the lower air guide from the base pan 15 Remove the 2 screws which fasten the motor mount from the base pan 16 Remove the 2 screws which fasten the lower air guide and motor mount 17 Move the lower air guide backward and pull out from the base pan Move the lower air giude carefully 18 Re install the components by referring to the removal procedure above OooaRKRWNDN 2 2 2 FAN 1 Remove the cabinet Refer to section 2 1 2 2 Remove the brace Refer to section 2 2 1 3 Remove 6 screws which fasten the condenser Figure 6 4 Move the condenser to the right carefully 5 Remove the clamp with a hand plier which secures the fan 6 Remove the fan See Figure 7 7 Re install by referring to the removal procedure Figure 7 i r 6 Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes 2 2 3 SHROUD 1 Remove the fan Refer to section 2 2 2 2 Remove the shroud See Figure 8 3 Re install the components by referring to the removal procedure above 2 3 ELECTRICAL PARTS 2 3 1 OVERLOAD PROTECTOR 1 Remove the cabinet Refer to section 2 1 2 Remove the nut which fastens the terminal cover Remove the terminal cover See
7. 07 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 EXPLODED VIEW LGE Internal Use Only 23 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes P NO 3828A20190J December 2007
8. CL HBLG1000CY3 POWER INPUT Plain ROTARY SWITCH N U Pa O WIRING DIAGRAM S Service Parts N Non Service Parts LOCATION al QTY RE o PESCRIETON ghG00e eatoronctys LCIZUDYS PERSET MARKS HBLG1000CY3 1 POWER CORD 6411A20011L 6411A20011N 6411A20011P 1 S 2 ROTARY SWITCH 2H00598E 1 S 3 FAN MOTOR 4681A20069B 4681A20069C 1 S 4 CAPACITOR 6210AR2359V 6120AR2194P 0CZZA20001N 1 S 5 THERMOSTAT 2H01109M 2H01109Q 1 S 6 COMPRESSOR 2520UAMC2BA 2520UKAC2GA 2520UKGC2DA 1 S Copyright 2007 LG Electronics Inc All right reserved 21 Only for training and service purposes LGE Internal Use Only 5 2 CIRCUIT DIAGRAM E MODEL LC8000 LEA0810ACL POWER INPUT BK BR AD WH BL Plain _ Ribbed GN GN YL ROTARY SWITCH 7 O 6 Q Ot O QQQ CAPACITOR YL Kas BR k OR z BK BK i RD N RD KA pa BL BL ae ey OLP THERMOSTAT O O WIRING DIAGRAM S Service Parts N Non Service Parts LOCATION DESCRIPTION Sill OTY aay NO LC8000 LEA0810ACL PER SET MARKS 1 POWER CORD 6411A20011L 1 S 2 ROTARY SWITCH 2H00598E 1 S 3 FAN MOTOR 4681A20069A 1 S 4 CAPACITOR 6120AR2359H 1 S 5 THERMOSTAT 2H01109M 1 S 6 COMPRESSOR 2520UAGC2AA 1 S 22 Copyright 20
9. Figure 9 Remove all the leads from the overload protector Remove the overload protector Re install the components by referring to the removal procedure above ook W PP 2 3 2 COMPRESSOR 1 Remove the cabinet Refer to section 2 1 2 2 Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Freon Leave the valve in place after servicing the system 3 Remove the overload protector Refer to section 2 3 1 4 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 5 Remove the 3 nuts and the 3 washers which fasten the compressor 6 Remove the compressor See Figure 10 7 Re install the components by referring to the removal procedure above Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes S KA ly o gt G is iS iS iS G Figure 8 a Figure 9 Figure 10 S NT RNG J OES o ASS We SA we LGE Internal Use Only 2 3 3 CAPACITOR 1 Remove the cabinet Refer to section 2 1 2 2 Remove the screw and the clamp which fastens the capacitor 3 Disconnect all the leads of capacitor terminals 4 Re install the components by referring to the removal procedure above See
10. NT PLUG CORD CONNECTED TYPE DRAIN SYSTEM DRAIN PIPE SPLASHED BY FAN SLINGER NET WEIGHT lbs kg 57 26 66 30 77135 79 36 OUTSIDE DIMENSION inch 141 2 x 201 2 x 233 5 WxHxD mm 368 x 521 x 607 DB Dry Bulb WB Wet Bulb Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 4 FEATURES Designed for COOLING ONLY e Built in adjustable THERMOSTAT e Powerful and whispering cooling e Washable one touch filter e Simple installation and service e Compact size e Low air intake top cooled air discharge e Reliable and efficient rotary compressor is equipped 1 5 CONTROL LOCATIONS 1 5 1 COOLING ONLY MODEL e VENTILATION The ventilation lever must be in the CLOSE position in order to maintain the best cooling conditions When a fresh air is necessary in the room set the ventilation lever OPEN position The damper is opened and room air is exhausted CLOSE siis VENT sila OPEN e TEMP Thermostat will automatically control the temperature of the room Select a higher number for a cooler temperature in the room The temperature is selected by moving the knob to the desired position The 5 or 6 position is a normal setting for average conditions e MODE OFF Turns air conditioner off MED Med speed fan operation without cooling FAN LOW Low speed fan operation without cooling chh Cooling with
11. REFRIGERANT a BSS LOW PRESSURE VAPOR Figure 31 Copyright 2007 LG Electronics Inc All right reserved 16 Only for training and service purposes LGE Internal Use Only 4 3 TROUBLESHOOTING GUIDE In general possible trouble is classified in two kinds The one is called Starting Failure which is caused from an electrical defect and the other is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application Ineffective Cooling Check cold air circulation Check outdoor coil for smooth flow heat exchanger amp the fan operation Dirty indoor coil Check gas leakage Heat exchanger Not on separate circuit Malfunction of fan Repair gas leak Y Check inside gas Clogged of air filter Unit runs but poor cooling Check heat load increase Clean condenser Replace of unit if the pressure unit is beyond repair Obstruction at air outlet Adjusting of refrigerant charge Correct above problem Malfunction of compressor Check clogging in refrigera Replacement of tion system compressor Satisfactory operation with Repair clogging in refrigera temperature difference of tion system inlet amp outlet air 44 50 F 7 10 C Copyright 2007 LG Electronics Inc All right reserved 17 Only for training and service purposes LGE Internal Use Only Fails to Start Check of power source Check circuit breaker and fuse Check o
12. and add the balance of the charge a Do not add the liquid refrigerant to the Low side b Watch the Low side gauge allow pressure to rise to 30 Ibs c Turn off valve B and allow pressure to drop d Repeat steps b and c until the balance of the charge is in the system 6 When satisfied the unit is operating correctly use the pinch off tool with the unit still running and clamp on to the pinch off tube Using a tube cutter cut the pinch off tube about 2 inches from the pinch off tool Use sil fos solder and solder pinch off tube closed Turn off the unit allow it to set for a while and then test the leakage of the pinch off connection LGE Internal Use Only 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 CONDENSER COMPOUND ia N HIGH PRESSURE SIDE O O MANIFOLD X GAUGE B CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR LOW PRESSURE SIDE COMPRESSOR EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 18A Pulling Vacuum Figure 18B Charging Copyright 2007 LG Electronics Inc All right reserved 11 Only for training and service purposes LGE Internal Use Only 3 INSTALLATION 3 1 HOW TO INSTALL THE UNIT 1 To avoid
13. bo fan Refer to section 2 2 1 Remove the fan Refer to section 2 2 2 Remove the 4 screws which fasten the motor from the Motor Mount See Figure 15 Remove the motor Re install the components by referring to the removal procedure above See Figure 15 2 4 REFRIGERATING CYCLE 2 4 1 CONDENSER D Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Freon Leave the valve in place after servicing the system 6 7 Remove the cabinet Refer to section 2 1 2 Remove the 4 screws which fasten the brace Remove the 4 screws which fasten the condenser and shroud See Figure 16 Remove the 2 screws which fasten the condenser and base pan After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections Remove the condenser Re install the components by referring to notes See Figure 16 2 4 2 EVAPORATOR 1 2 3 oN Remove the cabinet Refer to section 2 1 2 Remove the control box Refer to section 2 1 3 Remove the upper air guide Refer to section 2 2 1 Remove the 2 screws which fasten the evaporator from lower air guide Move the evaporator sideways carefully Refer to section 2 2 1 After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator conn
14. d and each exposed metallic part on the equipment at all the positions except OFF of the ROTARY SWITCH 4 The value should be over 1MQ Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 3 SPECIFICATIONS 1 3 1 FOR LC6000 LC8000 LC1000Y3 LC1200Y3 LEA0610ACL LEA0810ACL LEA1010ACLY3 LEA1210ACL HBLG1000CY3 MODELS LC6000 LC8000 ere LC1200Y3 ITEMS LEA0610ACL LEA0810ACL ei Gigcocy3 LEATZ10ACL POWER SUPPLY 115V 60Hz COOLING CAPACITY Btu h 6 000 8 000 10 000 12 000 INPUT W 630 840 1 050 1 260 RUNNING CURRENT A 5 8 7 7 9 6 11 5 E E R BTU W h 9 5 OPERATING INDOOR C 26 7 DB 19 4 WB CONDITION OUTDOOR C 35 DB 23 9 WB REFRIGERANT R 22 CHARGE 2809 9 9 oz 460g 16 2 oz 5309 18 7 oz 510g 18 0 oz EVAPORATOR 2 ROW 16 STACKS SLIT FIN TYPE 3 ROW 16 STACKS SLIT FIN TYPE 1 ROW 23 STACKS 2 ROW 23 STACKS CONDENSER SLIT FIN TYPE LOUVER FIN TYPE FAN INDOOR TURBO FAN FAN OUTDOOR AXIAL FAN FAN SPEEDS FAN COOLING 2 3 FAN MOTOR 6 POLES OPERATION CONTROL ROTARY SWITCH ROOM TEMP CONTROL THERMOSTAT AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION TOP DOWN CHASSIS PROTECTOR COMPRESSOR OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3 WIRE WITH GROUNDING ATTACHME
15. e cause Replace if required Condenser air flow restriction Remove the cabinet inspect the interior surface of the condenser if restricted clean carefully with a vacuum cleaner do not damage fins or brush Clean the interior base before reassembling Condenser fins damaged 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 Compressor cycles on Capacitor Test capacitor overload Wiring Check the terminals If loose repair or replace Refrigerating system Check the system for a restriction Insufficient cooling or Air filter If restricted clean or replace heating Exhaust damper door Close if open Unit undersized Determine if the unit is properly sized for the area to be cooled Excessive noise Blower or fan Check the set screw or clamp If loose or missing correct If the blower or fan is hitting air guide rearrange the air handling parts Copper tubing Remove the cabinet carefully and rearrange tubing not to contact cabinet compressor shroud and barrier Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 20 LGE Internal Use Only 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM lM MODEL LC6000 LC1000Y3 LC1200Y3 LEA0610ACL LEA1010ACLY3 LEA1210A
16. e opened only slightly for a few minutes then open slowly with the two full turns counterclockwise This will keep oil from foaming and being drawn into the vacuum pump 3 Operate the vacuum pump for 20 to 30 minutes until 600 microns of vaccum is obtained Close valves A and B and observe vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B closed stop the vacuum pump 4 Remove the hose from the vacuum pump and place it on the charging cylinder See figure 18B Open valve C Discharge the line at the manifold connection 5 The system is now ready for final charging Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 10 3 Remove the capillary tube 4 Re install the components by referring to notes 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 figure 18B With valve C open discharge the hose at the manifold connection 3 Open valve A and allow the proper charge to enter the system Valve B is still closed 4 If more charge is required the high side will not take it Close valve A 5 With the unit running open valve B
17. ections Remove the evaporator Re install the components by referring to notes See Figure 17 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Figure 15 Figure 16 Figure 17 LGE Internal Use Only 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 2 After discharging the refrigerant completely unbraze the interconnecting tube at the capillary tube See caution above NOTES Replacement of the refrigerant 1 When replacing the refrigerant be sure to Discharge the refrigerant system using a Freon recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Freon Leave the valve in place after servicing the system After discharging the unit completely remove the desired component and unbraze the pinch off tubes Solder service valves into the pinch off tube ports leaving the valves open Solder the pinch off tubes with Service valves Evacuate as follows 1 Connect the vacuum pump as illustrated figure 18A 2 Start the vacuum pump slowly open manifold valves A and B with two full turns counterclockwise and leave the valves open The vacuum pump is now pulling through valves A and B up to valve C by means of the manifold and entire system If high vacuum equipment is used adjust valves A and B so they ar
18. f control switch Gas leakage of feeler bulb setting of thermostat Check of control switch Fan only fails to start Compressor only fails to start Improper wiring Drop of power voltage Improper thermostat setting Defect of fan motor Defect of compressor capacitor capacitor Loose terminal connection j Irregular motor resistance Q Irregular motor insulation Q Replacement of fan motor Capacitor check Improper wiring Replacement lt _ Irregular motor resistance Q Tests normal but fails to start Irregular motor insulation Q Replacement of compressor locking of rotor metal Replacement of compressor Motor damaged Copyright 2007 LG Electronics Inc All right reserved 18 sa LGE Internal Use Only Only for training and service purposes ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 115V 10 103 5V 126 5V COMPLAINT CAUSE REMEDY Fan motor will not run No power Check voltage at outlet Correct if none Power supply cord Check voltage to rotary switch If none check power supply cord Replace cord if circuit is open Rotary switch Check switch continuity Refer to wiring diagram for terminal identification Replace switch if defective Wire disconnected or connection loose Connect wire Refer to wiring diagram for terminal identification Repair
19. ged at the factory Be sure to read the safety precautions prior to servicing the unit 1 1 SAFETY PRECAUTIONS 1 When servicing the unit set the ROTARY SWITCH or POWER SWITCH to OFF and unplug the power cord Observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short circuit After servicing the unit make an insulation resis tance test to protect the customer from being exposed to shock hazards 2 4 REFRIGERATION CYCLE eenen 9 2 4 1 CONDENSER 9 2 4 2 EVAPORAT OR seere 9 2 4 3 CAPILLARY TUBE eerie 10 3 INSTALLATION 3 1 HOW TO INSTALL THE UNIT 12 3 2 CHECKING INSTALLATION ocen 12 3 3 HOW TO DRAIN 12 3 4 WINDOW REQUIREMENTS ee 13 3 5 INSTALLATION KITS CONTENTS 13 3 6 HORIZONTAL SLIDING WINDOW INSTALLATION 14 3 7 CASEMENT WINDOW INSTALLATION 15 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS 16 4 2 PIPING SYSTEM seeScroit oie he oe 16 4 3 TROUBLESHOOTING GUIDE 00 eeee 17 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM seesseeeesseeeeeeseen 21 5 2 CIRCUIT DIAGRAM sceesseeteeeteesee 22 6 EXPLODED VIEW 23 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 is to be open 3 Measure the resistance value with an ohm meter between the jumpered lea
20. http biz lgservice com Universal Air Conditioner MODEL LC6000 LC8000 LC1000Y3 LC1200Y3 LEA0610ACL LEA0810ACL LEA1010ACLY3 LEA1210ACL HBLG1000CY3 CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel CONTENTS 1 PREFACE 1 1 SAFETY PRECAUTIONS 0 ctesseeesseee 2 1 2 INSULATION RESISTANCE TEST 00 2 1 3 SPECIFICATIONS cciohteteheccacuas 3 PAE EAM WIRES tes chee osteo leant coe le 4 1 5 CONTROL LOCATIONS sce S3 i ncorsrmeates 4 2 DISASSEMBLY INSTRUCTIONS 2 1 MECHANICAL PARTS sscsessseeessseeseeeeee 5 2 1 14 FRONT GRILLE it cass tree tiakerealctaand 5 2 1 2 CABIN Er rtes oh cate tt As aie Ante 5 2 1 3 CONTROL BOX sxctiatecr te tects 5 2 2 AIR HANDLING PARTS sessseeeeseeeseeeees 6 2 2 1 AIR GUIDE AND TURBO FAN 6 222 FAN arana atuma iste nlite 6 2 2 3 SHROUD gee eaten cere ee 7 2 3 ELECTRICAL PARTS tic tortion cautuhoene 7 2 3 1 OVERLOAD PROTECTOR eeesse 7 2 3 2 COMPRESSOR eka mcn aetna 7 2 3 3 CAPACITOR insite ad 8 2 3 4 POWER CORD sh See ea 8 2 3 5 THERMOSTAT sect aries cess 8 2 3 6 ROTARY SWITCH o seeesssseeessseeeeessees 8 28 EMO OR reelected 9 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 char
21. id days the air conditioner may overflow condensed water If the air conditioner is used in hot and a high Install the unit where the sunlight does not shine directly There should be no obstacle like a fence within 20 which might restrict heat radiation from the condenser 4 To prevent reducing performance install the unit so that Install the unit a little obliquely outward not to leak the humidity zone exchange the DRAIN CAP for the DRAIN PIPE See Figure 20 Figure 21 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 12 Cooled air a 30 60 Figure 19 BASE PAN Figure 20 BASE PAN Figure 21 Fence Heat radiation oe sss a About 1 4 Over 20 BOTTOM DRAIN CAP D BOTTOM DRAIN PIPE LGE Internal Use Only 3 4 WINDOW REQUIREMENTS 1 These instructions are for a horizontal sliding or a For installation in a casement window the window casement window frame assembly and the side of the building must be 2 The electrical outlet must be within reach of the adequate to support the weight of the air conditioner power cord y 21 m 21 2 min 40 max gel 15 1 2 min 16 1 2 max 15 1 2 min Horizontal sliding window Casement window 3 5 INSTALLATION KITS CONTENTS Window Locking Side Guide Curtai
22. iring diagram for identification and replace Check wire locations If not per wiring diagram correct Rotary Check for continuity refer to the wiring diagram for terminal identification Replace the switch if circuit is open Copyright 2007 LG Electronics Inc All right reserved 19 Only for training and service purposes LGE Internal Use Only COMPLAINT CAUSE REMEDY Compressor will not run but fan motor runs Thermostat 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 Capacitor Discharge capacitor before servicing Check the capacitor Replace if not within 10 of manufacturers rating Replace if shorted open or damaged Compressor Check the compressor for open circuit or ground If open or grounded replace the compressor Overload Check the compressor overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool it and retest Compressor cycles on overload Voltage Check the voltage If not within limits call an electrician Overload Check overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest Compressor cycles on overload Fan motor If not running determine th
23. n 11 Drill 1 8 inch holes in window track through the existing holes on Base Guide Screw 4 Type C Figure 28 screws through the holes See Figure 29 12 If this is a casement window installation proceed to Casement Window Installation If not slide inner window sash firmly against side of the cabinet 13 Drill 1 8 inch hole in window jamb to align with the existing holes in the Curtain Frame Attach Curtain Frame to window frame with 2 Type B screws See S l a Figure 29 Babe Guide EAA Apply weather seal to side guides just below edge of Curtain Frame ei Base pan _ I lg Al NOTE Check all seals and plug any remaining air gaps ie with a suitable weatherproof caulk Ai N 14 If this is a casement window installation proceed to 2 Casement Window Installation If not stuff the Foam Type C screw Seal Strip between the vertical sash and the window Window Track glass See Figure 30 15 Attach the Window Locking Bracket with a Type B screw See Figure 30 Type B screw Figure 29 3 7 CASEMENT WINDOW INSTALLATION e Installation procedure is the same as that described in steps 1 through 11 and step 13 of the Horizontal Sliding Window installation e If the window opening is wider than 15 3 4 inches you will need to install a filler panel Make this panel from 3 4 inch thick wood and run it the full length of the window Attach it securely to the window frame and paint it
24. n Frame Curtain Bracket Upper Guide E Bracket Support Bracket woo a a Foam Seal Strip Side Guide Seal Leveling bolt amp nut Side Guid Window Track Seal E Copyright 2007 LG Electronics Inc All right reserved 13 Only for training and service purposes LGE Internal Use Only 3 6 HORIZONTAL SLIDING WINDOW INSTALLATION Loosely attach the Support Bracket to the bottom of Bracket using Bolts Washers and Nuts Attach the Leveling bolt and nut See Figure 22 2 Remove protective backing from Window Track Seal and apply seal to window track See Figure 23 3 Measure and lightly mark a line 8 1 4 inches from window jamb Center the Support Bracket assembly on the window track and fasten with 4 Type C screws See Figure 23 4 Put the Support Bracket against the outside wall and tighten the Bolts on top of the Bracket Adjust the Leveling Bolt so that the air conditioner will be installed with a very slight tilt about 1 4 downward toward the outside for proper drainage Tighten the nut See Figure 24 NOTE DO NOT drill a hole in the bottom of the base pan The air conditioner is designed to operate with the bottom of the base pan approximately half full of water 5 Fasten Side Guides to the sides of the Air Conditioner using 3 Type A screws per Guide Start with first screw at middle of Guide See Figure 25
25. to protect it from the weather e Since styles and sizes of casement windows vary Figure 30 widely it is advisable to have the air conditioner installed by someone skilled in this type of installation locking bracket Copyright 2007 LG Electronics Inc All right reserved 15 Only for training and service purposes LGE Internal Use Only 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS Unit mm inchs 607 23 5 5 368 14 1 2 a q al lo 4 2 PIPING SYSTEM i D CONDENSER COIL CAPILLARY TUBE da FAN N NS a MOTOR COMPRESSOR eem TURBO FAN EVAPORATOR COIL Following is a brief description of the important components and their functions in the refrigeration system Refer to Fig 31 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle ROOM AIR CONITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS VAPOR INLET SUCTION LINE COMPLETE LIQUID HOT BOIL OFF BONT COOL LOW PRESSURE VAPOR DISCHARGED COOLED Tae a Oa ONO RI ROOM AIR HEAT LOAD EI Ro R we OUTSIDE COOLING gt AIR FOR REFRIGERANT PASS THROUGH gt lt _ OMPRESSO LIQUID PRESSURE LIQUID OUTLET DROP ae ee VZJAHIGH PRESSURE VAPOR CAPILLARY TUBE a BBL ou
26. vibration and noise make sure the unit is installed securely and firmly M on the unit If the unit receives direct sunlight build an awning to shade the cabinet ao louvers of the cabinet are not blocked o condensed water into the room about 1 4 6 Install the unit with its bottom portion 30 60 above the floor level 7 Stuff the foam between the top of the unit and the wall to prevent air and insects from getting into the room 8 The power cord must be connected to an independent circuit The green wire must be grounded 9 Connect the drain tube to the base pan hole in the rear side if you need to drain consult a dealer Plastic hose or equivalent may be connected to the drain tube 3 2 CHECKING INSTALLATION The setting conditions must be checked prior to initial starting The items mentioned below 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 3 To avoid vibration or noise make sure the air conditioner is installed securely 4 Avoid placing furniture or draperies in front of the air inlet and outlet 3 3 HOW TO DRAIN When using drain pipe The air conditioner must be installed horizontally or tilted slightly to the outside for proper water drainage On exceptionally hot and hum
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