LG W081CA SG2 User's Manual
Contents
1. 14 2 1 3 CONTROL BOX 6 3 4 2 WHEN USING INSTALLATION KITS 14 2 2 AIR HANDLING 5 7 3 5 HOW TO USE THE REVERSIBLE 22 1 AIR GUIDE AND BLOWER a 7 INLET GRILLE 15 222 T 7 4 TROUBLESHOOTING GUIDE 2 23SHROUD een 8 4 1 OUTSIDE DIMENSIONS sss 16 2 3 ELECTRICAL PARTS s 8 4 2 PIPING 5 5 22121 16 2 3 1 OVERLOADPROTECTOR 8 4 3 TROUBLESHOOTING GUIDE 17 2 3 2 COMPRESSOR 8 2 3 3 CAPACITOR 9 5 SCHEMATIC DIAGRAM 234 POWER 9 5 1 CIRCUIT 29 2 3 5 THERMOSTAT cessere 9 SC ELEGTPENIC CONTROL DEVICE smit 31 2 3 6 ROTARY SWITCH 9 3 3 COMPONENTS LOGATION FOR MAIN P G BASM 2 3 7 MOTOR distinta idu ina 10 6 EXPLODED VIEW 33 7 REPLACEMENT PARTS LIST 34 1 PREFACE 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 short circuit is found replace all parts which have been overheated or damaged by the short circuit Unplug ower cord and connect a jumper 2 pins black2. 5210 W52106 2 _ 57 teen MERI SL EN ADDS WO WATERMARK 5 Gand CREE wy gt SU amp int drvl teen MERI SL EN ADDS WO WATERMARK 5 Gand CREE wy gt SU amp int drvl LG Electronics Inc VERSION ADDS NO o WATERMARK amp E Q int arw
3. 522 091 5 WO092CA 1sco W121CA Tsc2 W122CA Tsco WIRING DIAGRAM ROTARY SWITCH FAN MOTOR CAPACITOR THERMOSTAT DESCRIPTION POWER CORD OVERLOAD PROTECTOR k 2 VV ASI E MODEL W182CA rsNo W242CA TsNo 1 1 WH BR BK BP NHBRA 3854AR2206H WIRING DIAGRAM PONER SATEH MODEL W081CM W121CM W122CM W121CMH W122CMH W182CA W182CM W182CMH W242CA W242CM POWER D 6 x 7 8 4 3 115V T2A 3854AR2330P WIRING DIAGRAM 9 S Service Parts N Non Service Parts Q TY DESCRIPTION PERSET MARKS POWER CORD ASSY MOTOR ASSY COMPRESSOR OVERLOAD PROTECTOR ADDS NO e WATERMARK lt Z eS e nt drN 5 2 ELECTRONIC CONTROL DEVICE E MODEL W081CM W121CMW122CMW121CMHW122CMHWT182CANV182CMW182CMHW242CAN242CM 5 5 3 zina uiv Jews 7009 a v ost 5 08 07 m led ost 5908 nl ost 9502 el lt lea ost 9704 v led ost DEDE 1000 100 lea 3000 4204 4203 Ost 520 lea 0108 ST 49 535 5 935 0955 01510 14625 a 24095 Zubia a zlan 4 SED alem oL
4. Figure 9 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 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 2 3 3 CAPACITOR 1 Remove the control box Refer to section 2 1 3 2 Remove the knobs and the screw which fasten control panel from control box 3 Remove the screw which located in the front 4 Open the bottom side of control box 5 Remove the screw and the clamp which fastens the capacitor 6 Disconnect all the leads of capacitor terminals 7 Re install the components by referring to the removal procedure above See Figure 11 2 3 4 POWER CORD 1 Remove the control box Refer to section 2 1 3 2 Open the control box Refer to section 2 3 3 3 Disconnect the grounding screw from the control box 4 Disconnect the 2 receptacles 5 Remove a screw which fastens the clip cord See Figure 12 6 Remove the power cord
5. QR VERSION ADDS NO e WATERMARK eS rint Possible Trouble 6 Remote controller does not operate Is the voltage of Battery about over 2 3V Exchange the battery s the voltage No 10 of CN DISP2 on Main PCB Ass y DC 5V Is the connection of NO Connect connector to CN DISP2 all right CN DISP2 exactly e Exchange Receiver Ass y Possible Trouble 7 It displays abnormally on display PCB Ass y Is the ICO1G all right Exchange IC01G Is the connection of CN DISP2 all right Does the Q12G Q13G Q14G operate normally on main PCB Ass y e Exchange Q12G BESO Exchange the display PCB Ass y ELECTRICAL PARTS TROUBLESHOOTING GUIDE M1003L M1203L Possible Trouble 1 The unit does not operate Is the Trans input power AC 115V Is the Trans output power about AC 14V Is output Voltage of ICO1D NO DC 12V Is output Voltage of ICO2D DC 5V ls the reset circuit all right The No 36 of Micom is 5V connection between NO Main and Display YES NO Is the voltage No 24 of Micom YES Exchange Main PCB Ass y Is shorted the Trans output Check the Fuse Check the wiring diagram Check the Main PCB pattern Exchange the Trans Exchange 0020 0050 Exchange ICO1D
6. gus suba puos go 31 Jezzng E XJ PETA SN00 eLa 910250 5 3 COMPONENTS LOCATION MODEL W081CM W121CMW122CMW121CMHW122CMH Main PCB 800000000 21 sy F lt Bg 9 aq gt 0 0 PWB ASM P N0 6871A20195 O Joa TIER Schematic Diagram Components Loc MODEL W182CM W182CMH W242CM Main PCB MODEL W182CM W182CMH W242CM Display PCB PWB ASM P NO 6871A20611 TIMER J02 ED T DRY 2 N JW HVB SPEED TO SWING V lice SWI DOWN 6 9 5s NO PWB P N0 6871A20611 a E yas 6 EXPLODED VIEW 6 EXPLODED VIEW EPUM 22 5 7 REPLACEMENT PARTS LIST R Service Parts N Non Service Parts CATO m KAL A silan me 4 NI 3 V g NJ 3097 AZ800TA 091A20029D T35312 CAILE ASSEY FANS NE 3531720034N 353172T008B 3ESTAZTODE ASSEMBLY TN SOSUAT 10027A 930A10182A NIRITI NOR 3550A300365 R 2120037 OAT00037 COR ZONTA T5BCOXPA ASSA __ _ 4758 VEHIT O 4758
7. Lam 5900A1002AB os TOR W5210E 1 TUBE EVAPORATOR ezin GCSC WEBSITE http biz LGservice com DESCRIPTION 1 20 REMARK mo EN EE EE sa 135312 GRILLE ASSY PRONT SINGLE 3531000094 590001000 R aR 135500 COVER CONTROL INDOOR 147581 HORIZONTAL _ 147582 VERTICAL 1 148000 SUPPORTER 3000 SS RR Mono RB 49980 SHROUD 4940094800 44020 R EE 237200 PANEL ASSY CONTROL 37214300090 ACL32261802 R 249950 CONTROL BOX ASSY SINGLE 40951707581 49951200387 4995421001P 4994210010 49094100 R 264100 POWER CORD ASSY R 24005988 269300 m RC 4681420140 R 349001 DAMPER VENTILATION J 300480 77 39600 41A aR 320380 JAIR GUIDE ASY J 359011 R 359012 00511 ASSY FIRST n uu sy R aioe tiie A esse EEE IER NEN auno sS WES of Replacement Parts List Replacement Parts List B W121CM SC4 13041
8. I O N ADDS NO e WATERMARK lt O 2 S Grint anx 1 3 SPECIFICATIONS POWER SUPPLY iF 220V 60Hz OOLING CAPACITY Btu h 17 800 NPUT W m 0 m N gt OPERATING 26 7 DB 19 4 WB CONDITION 35 0 DB 23 9 WB 22 CHARGE 78009 27 502 P9 52 3R 15C P9 52 2R 16C TURBO PROPELLER TYPE FAN WITH SLINGER RING AN INDOOR AN OUTDOOR AN SPEEDS FAN COOLING AN MOTOR G 6 POLES REMOTE THERMISTOR VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN ONSTRUCTION SLIDE IN OUT CHASSIS PROTECTOR INTERNAL OVERLOAD PROTECTOR INTERNAL THERMAL PROTECTOR 8 WORE WITH GROUNDING POER GRO ATTACHMENT PLUG CORD CONNECTED TYPE RAIN SYSTEM DRAIN PIPE OR SPLASHED BY FAN SL INGER ET WEIGHT 1bs kg 130 60 OUT SIDE 26 x 16 27 32 x 30 5 16 DIMENSION W H D 660x428x770 OOM TEMP CONTROL AIR DIRECTION CONTROL mioimimimim m 0 z m 3 A O DB Dry Bulb WB Wet Bulb Q 3 VERSION ADDS NO e WATERMARK lt O eS Crint ar 1 4 FEATURES Designed for COOLING ONLY Powerful and whispering cooling Slide in and slide out chassis for the simple installation and service Side air intake side cooled air discharge 1 5 CONTROL LOCATIONS 1 5 1 COOLING ONLY MODEL VENTILATION The ventilation lever must be in t
9. ION The grellinding conductor green a to be open the BIBS meter between the jumpered lead and each ede iti Melvin US ROTARY SWITCH 3 After servicing the unit make an insulation resis 4 over 1 k tance test to protect the customer from being P exposed to shock hazards t d ri 2 1 3 SEA ER mE wn 10 115V 60Hz 26 7 19 4 VB 35 DB 23 9 VE DRAIN P PE SPLASHED BY FAN SI NER DED Q mm 470x353x525 o 600X380X567 DB Dry Bulb WB Wet Bulb VERSION ADDS NO e WATERMARK e Int ar lt 1 3 SEQ A SUPPLY COOLING TY Buh NG A 108 INXRHC 26 708 19 4 ONXXHC 3516 23 90 GERANT R 22 CHARGE 5 96 SPEEDS FAN COOLING HA ZONTAL LOVER LPSDO N SLIDE INOJ SS WFE WTH GON NG PLUG CONNECTED TYPE NET VE bs kg 82 37 2 WKHXD rm 600 x 380 X ET l DB Dry Bulb WB Wet Bulb S REGISTERED VERSION ADDS NO e WATERMARK A Grint anx 1 3 SPECIFICATIONS W091CA TSGO Wo92CA TSGO W121CA TSC2 W122CA TSCO OWER SUPPLY 16 115V 60Hz 1 OOLING CAPACITY Btu h 12000
10. lt lt int dr ie e WATERMARK amp Replacement Parts List Replacement Parts List PART NO 2007 DESCRIPTION REMARK ie s o 130910 CABINETASSEMBLY SINGLE 3091AR6056N 135312 GRILLE ASSEMBLY FRONT SINGLE 3531A11002A R 135313 GRILLE ASSEMBLYJNLET 3530A10894 R 1372015 PANELASSEMBLY CONTROL 3720AR6163A 147582 148000 14940 ___ __ R 149980 SHROUD 4998ARISB R 152302 FILTERMECH AC S2MAR6ISSA R o 238310 ESCUTCHEON 3831A2055D R 288110 POWER CORD ASSEMBLY R _ 266002 SWITCH ROCKER 7 22457 ei 266003 SWICHROTARY 269310 THERMOSTAT UR 267110 REMOTECONTORLLERASSY 6711A200566M o 268712 PWB PCBJASSY DISPLAY 6871420616 268714 349011 349480 L ens EANASSY TURBO 352210 evAPORATORASSEMBLYERST sensato 54030 o CONDENSERASSEMBIYARSI QU 552116 o TUBEASSEMBLY REVERSE TUBE CAPILLARY 1468122 MorORASSEMBLYSYNC y 352115 TUBE ASSEMBLY CONDENSER OUT 552202 552204 VALVE SOLENOID 561410 SOLENOID Replacement Parts List Replacement Parts List LOCATION 130410 BASEASSEMBLY SINGLE 3041A30001F 130910 CABINETASSEM
11. 6 ENERGY SAVER The fan stops when the compressor stops cooling Approximately every minutes the fan will tern on and check the room 4 AUTO SWING This button can automatically control the air flow direction ra SLEEP MODE BUTTON VERSION Press the sleep mode button to set the time you want the unit to turn off amp The timer isoragra in one hour increment by pressing the button Every time you push this 31525 1Hour gt 2Hours gt 3Hours gt 4Hours gt 5Hours gt 6Hours gt 7Hours gt OHour gt Wgbur2 2Hours gt Note The Sleep Mode will be operated at low fan speed for quiet ny ER over the next 30 minutes and by 2 C in 1 hour for comfortble REMOCON SIGNAL RECEIVER A 2 DISASSEMBLY INSTRUCTIONS Before the following disassembiy POWER SWITCH set to OFF and disconnect the power cord 2 1 MECHANICAL PARTS 2 1 1 FRONT GRILLE 1 Open the Inlet grille upward 2 Remove the screw which fastens the front grille 3 Pull the front grille from the right side 4 Remove the front grille 5 Re install the component by referring to the removal procedure above See Figure 1 2 1 2 CABINET 1 After disassembling the FRONT GRILLE remove the 2 screws which fasten the cabinet at both sides 2 Remove the 2 screws which fasten the cabi
12. 237200 PANEL ASSEMBLY CONTROL 3720810000 R 147581 LOUVER HORIZONTAL 47582205814 R 147582 LOUVER VERTICAL 4758AR73008 R 148000 BRACE 400004 R 149980 sip amp h 4998A10020A 49984100044 152302 FILTER MECH A C _ R 238310 ESCUTOHEO 3831420556 __ R 249950 CONTROL BOX ASSEMBLY SINGLE 49954300140 4995A30014E 567480 THERMISTOR ASSEMBLY _ 6323420003 R 264100 POWER CORD ASSEMBLY 206978 R 267110 REMOTE CONTROLLER ASSEMBLY 6711420050 R 268711 1 ASSEMBLY DISPLAY 6871A20611F_ R 268711 2 ASSEMBLY MAIN 6871A101980 R 346811 MOTOR ASSEMBLY SINGLE 4681A20073D 4681420170 349001 DAMPER VENTILATION 490087048 R 349480 ORIFICE 4948410008 R 349600 MOUNT 4960420005 R 352113 TUBE ASSEMBLY DISCHARGE SINGLE 5211A20644N 5211AR2930T R 352380 AIR GUIDE ASSEMBLY 52390AR 523K R 354210 EVAPORATOR ASSEMBLY FIRST 5421AR2910D 5421AR2912H 359012 FAN TURBO 5900820301 R 550140 ISOLATOR COMP 4830AR4335A R 552102 TUBE CAPILLARY BEND 5211A21448G 52114214480 552113 TUBE ASSEMBLY CONDENSER OUT 5211 10067 5211AR7059A 554030 CONDENSER ASSEMBLY FIRST 5403A20083E 5403A20042T
13. 7 Re 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 Figure 12 2 27 2 2 3 5 THERMOSTAT Remove the control box Refer to section 2 1 3 Open the control box Refer to section 2 3 3 Remove the 2 screws which fasten the thermostat Disconnect 2 leads of thermostat terminals Remove the thermostat Re install the components by refereing to the Figure 13 above removal procedure See Figure 13 oarhan 2 3 6 ROTARY SWITCH 1 Remove the control box Refer to section 2 1 3 2 Open the control box Refer to section 2 3 3 3 Remove the 2 screws which fasten the rotary switch 4 Disconnect all the leads of the rotary switch terminals 5 Remove the rotary switch 6 Re install the components by referring to the above removal procedure See Figure 14 Figure 14 13 2 3 7 1 2 3 4 5 6 Remove the cabinet Refer to section 2 1 2 Remove the evaporator Refer to section 2 2 1 Remove the orifice Refer to section 2 2 1 Remove the blower Refer to section 2 2 1 Remove the fan Refer to section 2 2 2 Remove the control box cover and disconnect 5 or 4 wi
14. D REFRIGERANT LII CAPILLARY TUBE Figure 34 20 ROOM AIR CONITIONER CYCLE OF REFRIGERATION VAPOR INLET OUTSID gt SISPERED O CONDENSER COILS XADDS NO WATERMARK amp 172 HIGH PRESSURE VAPOR 79 L LIQUID REFRIGERANT Q feu PRESSURE VAPOR C Pj 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 Unit runs but poor cooling Ineffective Cooling Check cold air circulation Check outdoor coil Check heat load for smooth flow heat exchanger amp the fan increase operation cot Check gas leakage Heat exchanger Not on separate circuit Malfunction of fan Pepa Check inside gas Clogged of air filter Replacement of unit if the pressure unit is beyond repair Adjusting of refrigerant charged Correct above trouble Check clogging in refrigera tion circuit Satisfactory operation wit temperature difference o inlet amp outlet air 44 50 F 7 10 C Repair clogging in refrigera tion circuit Check of power source Check of control switch setting Compressor only fails to start
15. Drop of power voltage Defect of compressor capacitor Capacitor check Replacement lt Check circuit breaker and fuse Gas leakage of feeler bulb of thermostat Check of control switch Fan only fails to start Improper wiring Defect of fan motor capacitor Improper thermostat setting Loose terminal connection Irregular motor resistance Q Irregular motor insulation Improper wiring Irregular motor resistance Q Irregular motor insulation Replacement of compressor Motor damaged r y eS rint arwW Possible Trouble 1 The unit does not operate NO Is the Trans input power ELECTRICAL PARTS TROUBLESHOOTING GUIDE M1203R WM 1211 AC 115V Is the Trans output power about AC 14V Is output Voltage of ICO1D NO DC 12V Is output Voltage of ICO2D DC 5V s the reset circuit all right NO Is shorted the Trans output Check the Fuse Check the wiring diagram Check the Main PCB pattern Exchange the Trans Exchange D02D D05D Exchange ICO1D Exchange ICO2D The No 16 of Micom is 5V connection between NO Exchange ICO1A 2 AA Main and Display NO Is the voltage No 20 of Micom YES Exchange Main PCB Ass y 4 S REGISTERED SION
16. Exchange ICO2D Exchange CO1A AA 4 gt lt gt 5 REGISTERED 5519s pattern M NA e WATERMARK lt 2 S Grint anx Possible Trouble 2 The compressor does not operate Is setting Temp set lower than Room 0 5 Select setting Temp to lower Number Is the voltage No 16 of ICO1M OV Is the voltage NO 1 of ICO1M DC 5V Is the Unit for 3 minutes e Check the RY COMP Check the wiring Diagram Exchange ICO1M Wait 3 Minutes Exchange MAIN PCB Assy Possible Trouble 3 The compressor always operate NO Connect LEAD Wire to RY COMP again Is the wire connection of RY COMP all right Check the RY COMP Q 5 VERSION ADDS NO e WATERMARK lt eS rint Possible Trouble 4 FAN does not operate NO Is the voltage NO 4 or 5 or 6 Exchange ICO1M Is the voltage NO 11 or 12 or 13 of ICO1M OV e Exchange ICO1M Check the RY Hi RY Med or RY Lo Check the wiring diagram Possible Trouble 5 Remote controller does not operate Is the voltage of Battery about over 2 3V Exchange the battery 5 the voltage No 3 of CN DISP2 on Main PCB Ass y DC 5V Check the PCB pattem QN
17. mounted Replace if open If the compressor temperature is high remove the overload cool it and retest Compressor cycles on Voltage Check the voltage overload 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 Condenser air flow Remove the cabinet inspect the interior surface of Fan motor If not running determine the cause Replace if required restriction 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 Insufficient cooling or Air filter Refrigerating system Check the system for a heating Exhaust damper door Unit undersized Excessive noise Copper tubing Blower or fan he air TON ond ct gre REIS E WATERMARK 32 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM MODEL
18. pattern IIS TV 2 gt WATERMARK amp Fint dri Possible Trouble 2 The compressor does not operate 15 setting Temp set lower than Roo Temp 0 5 C Select the setting Temp to lower Number NO Is the Unit for 3 minutes Is the voltage NO 6 of ICO1M DC 5V Is the voltage No 11 of ICO1M OV Check the RY COMP Wait 3 Minutes Check the wiring Diagram Exchange MAIN lt PCB 5 e Exchange IC01M Possible Trouble 3 The compressor always operate e Connect LEAD Wire to RY COMP again Is the wire connection of RY COMP all right Check the RY COMP QR 5 VERSION ADDS NO 2 WATERMARK lt 24 Possible Trouble 4 FAN does not operate Exchange ICO1M Is the voltage NO 2 or 3 or 4 of ICO1M DC 5V Is the voltage NO 13 or 14 or 15 of ICO1M OV Exchange ICO1M Check the RY Hi or RY Med or RY Lo Check the wiring diagram Possible Trouble 5 The function of Energy Saver does not operate NO Set the Knob of SW1 to left position e Check the SW1 Check the pattern of Main amp Display PCB Is the Knob of SW1 set to left position Is the voltage No 1 of NO CN DISP1 of Main PCB Ass y DC 5V YES Reference to OWNER S MANUAL
19. 3531A11002A R 135313 GRILLE ASSEMBLYINLET 35304101894 R 135500 ASSEMBLY DISPLAY 681420610 R 147582 LOUVER VERTICAL o 4758AR6157A 147581 1 VANEHORIZONTAL 59904200024 R 147582 2 VANEHORIZONTAL 59904200334 R 148000 ESCUTCHEON 38314200328 R 148000 BRACE 4809724 R 149410 PWB PCB ASSEMBLY MAIN 6874101934 R 149980 SHROUD 4998A81597B R 152302 FILTER MECHA C 5231A86159A R 249950 CONTROL BOX ASSEMBLY SINGLE 49954206139 R 264110 POWER CORD ASSEMBLY 2H00670 R 266003 REMOTE CONTROLLER ASSEMBLY 671142005660 R 269310 THERMISTOR ASSEMBLY 68234200030 R 346811 MOTOR ASSEMBLY SINGLE 468f420130F R 349480 ORIFICE 9 49488200164 R 349600 AIR GUIDE ASSEMBLY 5239820009 359012 FANTURBO 59000074 R 559010 FAN AXIAL 590061568 R 354210 EVAPORATOR ASSEMBLY FIRST 5421420248 R 554030 CONDENSER ASSEMBLY FRIST 54034202320 352114 TUBE ASSEMBLY SUCTION SINGLE o 52114302500 552111 TUBECAPILLARY BEND 521142144 R 352115 1 TUBEEVAPORATORIN 52104222247 R FIM 52104222244 gal cUm was cLwmsPRING f AN NOTE Please ensure GCSC since these parts may be changed 49 7 0 REGIS TERED GCSC WEBSITE http biz LGservice com VERSION ADDS NO
20. of the cabinet Push the grille in until it snaps into place See Figue 32 Figure 32 3 Lift the inlet grille and secure it with a type A screw through the front grille See Figure 33 4 f you want to pull out the filter downward use the reversible inlet grille without change The grille is already assembled for that way Figui ADDS NO gt WATERMARK amp es tint driN 19 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS unit mm inch A 4 2 PIPING SYSTEM Chassis A B 525 470 353 567 600 380 770 660 428 CONDENSER COIL FAN MOTOR CAPILLARY TUBE COMPRESSOR BLOWER EVAPORATOR COIL Figure 34 is a brief description of the important components and their function in what is called the refrigeration system This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle EVAPORATOR COILS SUCTION LINE BOIL OFF POINT 5 ZLE 29255 0 COMPLETE LIQUID COOL LOW PRESSURE VAPOR COMPRESSOR od 65525 OL LIQUID PRESSURE DROP LIQU
21. 0 BASE ASSEMBLY SINGLE 3041A20012R Ss LET REMA 135312 3531A21008B 135303 3530A10182A 237200 3720A10003A 135500 3550AR7032A 147582 4758AR7308A 147581 4758 20051 148000 4800A10001A 149980 4998 A 10020A 249950 ONTRO BOX ASSEMB SIN 49954300140 152302 5231AR1152A 238310 3831A20155C 264100 211006775 567480 oo THERMISTORASSEMBIY 63234200035 267110 6711A20056L 268711 1 PWECPCBJASSY DISPLAY ______________6871 20611 268711 2 IPWB PCBDASSY MAIN ________________6871 10193 349011 IDAMPERVENT 4900AR7024B 346811 MOTORASSENMLYACSINGIE _______ 4681420073B 349480 4948A10005B 352380 5239AR1523K 359012 5900A20030A 359011 5900A 10009B 354210 5421 0 550140 ume NOM 554030 ONDENSER ASSEMBLY BENDIN WERT 70056 D r 35211A Tube Assembly Suction 5 A20643C 55210 Tube Capillary Bending 4 5211A30260V 554160 COMPRESSOR lt 567502 352113 TUBE ASSEMBLY DISCHARGE 514 6 552113 TUBE ASSEMBLY CONDENSER OU J W48602 CLAMP SPRING WOCZZ CAPACITOR 2 T W5210E 1 TUBE EVAPORATOR 9 10 20351 W5210E 2 TUBE EVAPORATOR 20 20351 Or 57 LOCATION PART NO 2006 DESCRIPTION REMARK NO 130410 130910 135312 135313 135500 COVER CONTROL INDOOR 137215 PANEL ASSEMBLY CONTROL 147581 VANE HORIZONTAL 147582 VANE HORIZONTAL 148000 149410 149980 SHROUD 62302 238310 238831420028 249950 4995A20610P 49954
22. 206100 263230 THERMISTOR ASSEMBLY 264110 POWER CORD ASSEMBLY 268003 SWITCH ROTARY ____ O 267110 MOTE CONTROLLER ASSEMBLY 6711420009 268712 PWB PCB ASSEMBLY DISPLAY a e8nA0010 268714 PWB PCB ASSEMBLY MAIN 68710193 HERMOSTAT ASSSEMBLY 2HOMOE O OTOR ASSEMBLY SINGLE 4681A20130E G gt 2 m gt th ti lt lapi lt to vw 2 m tr gt 5 gt 2 m lt lt 2 E iri to gt Ed lt 5 c re T 2 A 22 olm 2 lt lt IEEE 2 D 2 gt 2 lt A 2 gt 186 gt 2 Vid 269310 346811 349001 349480 349600 5918 lt lt 9 B O 2 8 gt 2 S m gt a lt t lt x Q m e 2 354210 5421 20248 359012 550140 ISOLATOR COMP 4H00982C 552113 TUBE ASSEMBLY CONDENSER OUT 5211AR7059A 5211AR7059E 554030 5403A20062L 554160 559010 35211A TUBE ASSEMBLY SUCTION INDOOR WOCZZ W48602 i NEA W52106 1 KE L R Z W52106 2 52 10A3044 GCSC WEBSITE http biz LGservice com ADDS NO WATERMARK e d lt 6 Yint ariwe PART 2006 REMARK TNT BASE ASSEMBLY SINGLE 3041A10008X R 130910 CABINET ASSEMBLY SINGLE 3091486056 135312 ASSEMBLY FRONT SINGLE
23. BLY SINGLE 3091420001F 195312 GRILLEASSEMBLY FRONT SINGLE 3531A11002A R 135313 GRILLE ASSEMBLYINLET 35304101894 137215 _ PANELASSEMBLY CONTROL 3721420058 135500 COVERASSEMBLY CONTROL SINGLH 3551 30015 147582 _ LOUVER VERTICAL 4758AR6157A R 147581 1 LOUVERHORIZONTAL 5990120032M 11175812 LOUVERHORIZONTAL 5990420033M 148000 SUPPORTER 149980 SHROUD 4998ARIS97B R 152302 FILTERMECH A C 532314061594 238310 ESCUTCHEON P 264110 POWER CORD ASSEMBLY 269310 THERMOSTAT ASSEMBLY gt 2 263230 THERMISTOR ASSEMBLY B TO __ R 267110 REMOTECONTORLLERASSY CBF R 268712 PWB PCBDASSY DISPLAY CORTO 268714 PWB PCB ASSY MAIN rues 349011 DAMPERVENT 4900AR7265A R 346811 MOTORASSENMLY ACSINGLE 4681A2008IK R 349480 ORIFICE 4948A2006A R 349600 __ 4960ARISO6A R 352390 AIR GUIDE ASSEMBLY 5239A2001W R 359012 FANTURBO S900A20007A 559010 FANASSEMBLY AXIAL 5900ARISOSB 854210 EVAPORATOR ASSEMBLY FIRST 5421202 55400 CONDENSERASSEMBLY BENDING 54034902653 2 14642 VERS 552204 vALVESOLENOD 4 52106 1 _
24. Connect 7 CN DISP2 ma 2 Is the connection of CN DISP2 all right SR VERSION ADDS NO e WATERMARK lt Qrint an 29 Possible Trouble 6 It displays abnormally on display PCB Ass y NO Exchange ICO1G ICO2G Are the IC01G and ICO2G all right Connect connector Is the connection of to CN DISP2 exactly CN DISP2 all right Does the ICO3G operate normally on main B Ass y Exchange the display PCB Ass y e Exchange IC03G VERSION ADDS NO o WA TERMARK amp Z nt drig COMPLAINT CAUSE REMEDY Fan motor will not run Fan motor runs intermittently Fan motor noise Compressor will not run but fan motor runs No power Check voltage at outlet Correct if none Power supply cord Rotary switch Check voltage to rotary switch If none check power supply cord Replace cord if circuit is open 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 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 Revolves on overload Fan
25. Fan blade hitting shroud or blower wheel hitting scroll Realign assembly Units using slinger ring for condenser fan must have 1 4 to 5 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 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 If cracked out of balance or partially missing replace it Blower Loose clamper If cracked out of balance or partially missing replace it Tighten it Worn bearings Voltage If knocking sounds replace the mot COMPLAINT CAUSE REMEDY Compressor will not run Thermostat Check the position of knob If not at the coldest but fan motor runs setting advance the knob to this setting and restart unit Check continuity of the thermostat Replace thermostat if circuit is open Capacitor Discharge Check the capacitor capacitor before servicing 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
26. N30008A 4 58AH 308A 45470 RNE AST IATA EET FEN eu STNG gt m SS MOTOR ASSENELY SI NG 46814200 468142007 38 49001 ONER VENIT CN 90 4900 ATT024B 40480 CHAO 49487300076 4948A10005B 49600 MOUNT MOOR 4960 20014A 4960A20005A s SEVA Y a 80 AR ASTMI Y 5239A3000 DARI VC CH ASSENELY FR 5421 0061M 5421AF291 SENSOR vega 590 gt 4 END 4302608 AG0260W OSF R 554030 3 2009 5403 20083 H 554160 GOMPFESSCH 520 0087002 UIK 90 ANI 9004200 500 3 B R NN N Z D 9 ce re v D 1 no NOTE Please ensure GCSC since these parts may be changed spending upon the buyer s request 7 GCSC WEBSITE http biz LGservice com VERSION ADDS NO Service Parts N Non Service Parts LOCAT ON PART 2005 DESCRIPTION WI22CM sc4 W122CMH REMARK 130410 BASE ASSEMBLY SINGLE 3041A20012R 3041A20012N R 130910 CABINET ASSEMBLY SINGLE 30914200299 R 135312 GRILLE ASSEMBLY FRONT SINGLE 3531 21008 3531A21008F 135303 GRILLE ASSEMBLY INLET 3530A10182A 35304101824 R 135500 COVER CONTROL INDOOR 3550AR7032A R
27. W 1220 BiuWh 924 OPERATING 26 7 DB 19 4 WB CONDITION REFIGERANT R 22 CHARGE 3500 12 302 3759 13 2 3959 13 9 VAPORATOR 2R 16STACKS 2 ONDENSER 2R 18STACKS AN INDOOR TURBO FAN SPEEDS FAN COOLING 3 3 6 POLES ROTARY SWITCH THERMOSTAT VERTICAL LOUVER RIGHT amp LEFT c n HORIZONTAL LOUVER UP amp DOWN SLIDE IN OUT CHASSIS SEOTECTOR OVERLOAD PROTECTOR N N lt N zlo TU gt g UNNING CURRENT m m A 3 gt A o OVERLOAD PROTECTOR FAN MOTOR 3 WORE WITH GROUNDING DRAIN PIPE OR SPLASHED SL INGER 71 32 2 a e OUT SIDE 20s pi Reps 7 DIMENSION W H D 470x353x525 S 80053805567 y gt DB Dry Bulb REGISTERED o ADDS NO e WATERMARK amp A e Vo bg 1 3 SPECIFICATIONS W242CA TSNO W242CM TSNO pa E pend RUNNING CURRENT ANC 86 12 RR CONDENSER 2RIG6STACKS RI6STACKS 2R18STACKS THERMOSTAT AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN SLIDE IN OUT CHASSIS PROTECTOR INTERNAL OVERLOAD PROTECTOR INTERNAL THERMAL PROTECTOR 3 WORE WITH GROUNDING A ERR ATTACHMENT PLUG CORD CONNECTED TYPE NETWEIGHT _ 65295 _ OUT SIDE inch ______ 26X 1627138 9546 DIMENSION W H D limm LA bi REGISTERED WB Wet Bulb VE
28. d efficient rotary compressor is equipped CLOSE VENT OPEN LJ Low Cool Operation Wait Three Minutes Thermostat Before Restarting Warme They oy first swirfeni p 1 5 2 COOLING ONLY MODEL WITH CONTROL TOUCH REMOTE CONTROL o Precaution The Remote Control unit will not function properly if strong light strikes the sensor window of the air conditioner or if there are obstacles between the Remote Control unit and the air conditioner Z POWER BUTTON To turn the air conditioner ON push the button To turn the air conditioner OFF push the button again This button takes priority over any other buttons 2 OPERATION MODE SELECTION BUTTON Every time you push this button it will toggle COOL FAN and DRY 3 ON OFF TIMER BUTTON Everytime you push this betton timer is set as follows 1Hours gt 2Hours gt 5 gt 4Hours 5Hours gt 6Hours gt 7Hours 8Hours gt 9Hours gt 10Hours gt 11Hours gt 12Hours Cancel FAN SPEED SELECTOR Everytime you push this button it is set as follows High F3 gt gt Med F2 Highf F 3 ROOM TEMPERATURE SETTING BUTTON This button can automatically control the temperature of the room The temperature can be set within a range of 16 C to 30 C by 1 C or within Select the lower number for lower temperature of the room
29. he 2 screws removed earlier on each side of the case CAUTION The power cord must be connected to an independent circuit The green wire must be grounded Screw Figure 25 Power Cord Figure 26 5 Stuff the foam between the top of the unit and the wall to prevent air and insects from getting into the room 6 Attach the front grille to the case by inserting the tabs on the grille into the slots on the front of the case Push the grille in until it snaps into place When you detach the front grille from the case push the grille to your right side and pull it toward you 7 Lift the inlet grill and secure the front grille with a screw Lower the inlet grille into place In case of some models you can secure the front grille from the right side or lower side Figure 22 Figure 23 Figure 24 Figure 27 Figure 29 18 Shipping 6 Screws 3 5 HOW TO USE THE REVERSIBLE INLET GRILLE 1 If you want to pull out the filter upward open the inlet grille slightly Turn inside out the front grille Disassemble the inlet grille from the front grille with separating the hinged part by inserting a type screw driver tip Rotate the inlet grille 180 degrees and insert the hooks into the lower holes of front grille Then insert the filter See Figure 30 31 Figure 30 E Figure 31 2 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front
30. he 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 THERMOSTAT 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 positioning the knob to the desired position The 5 or 6 position is a normal setting for average conditions OPERATION Off Turns air conditioner off Med Fan Med speed fan operation without cooling Low Fan Low speed fan operation 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 OPERATION Off Turns the air conditioner off Low Fan Permits the low fan speed operation without cooling heating Permits cooling with the low fan speed operation Low Cool sk High Cool 2 Permits cooling with the high fan speed operation Low Heat x Permits heating with the low fan speed operation High Heat xt Permits heating with the high fan speed operation Auto Swing For R1403 WR1210 On Air Swing is operated while operation knob is set to the Cool position Off Stops the operation of air swing Built in adjustable THERMOSTAT Washable one touch filter Compact size Reliable an
31. llary tube 1 Remove the cabinet Refer to section 2 1 2 4 Re install the component by referring to notes 2 After discharging the refrigerant completely unbraze the interconnecting tube at the capillary tube See caution above NOTES Replacement of the refrigeration cycle 1 When replacing the refrigeration cycle be sure to 6 Recharge as follows Discharge the refrigerant system using a 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 1 before venting suction line through the access valve which you the Leave the valve in place after installed as the system was opened servicing the system 2 Connect the charging cylinder as shown in figure 2 After discharging the unit completely remove the 18B desired component and unbraze the pinch off With valve C open discharge the hose at the tubes manifold connection 3 Solder service valves into the pinch off tube ports 3 Open valve A and allow the proper charge to leaving the valves open enter the system Valve B is still closed 4 Solder the pinch off tubes with Service valves 4 If more charge is required the high side will not 5 Evacuate as follows take it Close valve A 1 Connect the vacuum pump as illustrated figure 5 With the unit running
32. net at back 3 Pull the base pan forward See Figure 2 Remove the cabinet 5 Re install the component 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 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 components by referring to the removal procedure above See Figure 3 Refer to the circuit diagram found on pages 29 30 in this manual and on the control box Figure 1 Figure 2 Figure 3 2 2 AIR HANDLING PARTS 2 2 1 AIR GUIDE AND BLOWER 1 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 evaporator Move the evaporator forward and pulling it upward slightly See Figure 4 Move the evaporator to the left carefully 9 Pull out the hook of orifice by pushing the tabs and Figure 4 remove it See Figure 5 10 Remove the clamp with a hand plier which secures the blower 11 Rem
33. open valve B and add the 18A balance of the charge 2 Start the vacuum pump slowly open manifold a Do not add the liquid refrigerant to the Low valves A and B with two full turns side counterclockwise and leave the valves open b Watch the Low side gauge allow pressure to The vacuum pump is now pulling through valves rise to 30 Ibs A and B up to valve C by means of the manifold c Turn off valve B and allow pressure to drop and entire system d Repeat steps b and until the balance of the charge is in the system 6 When satisfied the unit is operating correctly If high vacuum equipment is used just crack use the pinch off tool with the unit still running valves A and B for a few minutes then open and clamp on to the pinch off tube Using a tube slowly with the two full tums counterclockwise cutter cut the pinch off tube about 2 inches from This will keep oil from foaming and being il f 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 g
34. ove the blower 12 Remove the 4 screws which fasten the air guide from the barrier 13 Move the air guide backward pulling out from the base pan 14 Re install the components by referring to the removal procedure above W N Figure 5 Figure 6 2 2 2 FAN Remove the cabinet Refer to section 2 1 2 Remove the brace Refer to section 2 2 1 Remove the 5 screws which fasten the condenser Move the condenser to the left carefully Remove the clamp which secures the fan Remove the fan See Figure 7 Re install by referring to the removal procedure ES T 7 771 4222 N Figure 7 11 2 2 3 SHROUD 1 Remove the fan Refer to section 2 2 2 2 Remove the screw which fastens the shroud 3 Remove the shroud See Figure 8 4 Re install the component by referring to the removal procedure above Pi A BH ZE 2 X ED D n D ED n E D D MP ED Figure 8 2 3 ELECTRICAL PARTS 2 3 1 OVERLOAD PROTECTOR 1 Remove the cabinet Refer to section 2 1 2 2 Remove the nut which fastens the terminal cover 3 Remove the terminal cover See Figure 9 4 Remove all the leads from the overload protector 5 Remove the overload protector 6 Re install the component by referring to the removal procedure above
35. res of motor housing Refer to section 2 1 3 Remove the 2 or 4 screws which fasten the motor from the mount motor See Figure 15 Remove the motor Re install the components by referring to the removal procedure above See Figure 15 2 4 REFRIGERATING CYCLE CAUTION 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 1 before venting the Freon Leave the valve in place after servicing the system 2 4 1 CONDENSER 1 2 3 Remove the cabinet Refer to section 2 1 2 Remove the 4 screws which fasten the brace Refer to section 2 2 1 Remove the 5 screws which fasten the condenser and shroud After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections Remove the condenser Re install the component by referring to notes See Figure 16 2 4 2 EVAPORATOR 5 6 Remove the cabinet Refer to section 2 1 2 Remove the 2 screws which fasten the evaporator Move the evaporator sideways carefully Refer to section 2 2 1 After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator connections Remove the evaporator Re install the component by referring to notes See Figure 17 Figure 15 Figure 16 Figure 17 2 4 3 CAPILLARY TUBE 3 Remove the capi
36. t ko REGISTERED O VERSION ADDS NO e WATERMARK lt eS rint 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 SN A ZU EZ Gs EXTERNAL VACUUM PUMP Figure 18A Pulling Vacuum 3 INSTALLATION 3 1 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 sunlight does not shine directly on the unit 3 The outside of the cabinet must extend outward for at least 12 and there should be no obstacles such as a fence or wall within 20 from the back of the cabinet because it will prevent heat radiation of the condenser Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner CAUTION All side louvers of the cabinet must remain exposed to the outside of the structure 4 Install the unit a little slanted so the back is slightly lower than the front about 7 This will help force con densed water to the outside 5 Install the unit from the bottom about 30 60 above the floor level 3 2 CHECK OF INSTALLATION The setting conditions must be checked prior to initial starting The undermentioned items are especially important checking points when the installation is finished 1 Grounding
37. website http www LGEservice com e mail http www LGEservice com techsup html Room Air Conditioner CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE WO081CA sec 2 W182CA W091CA tsco W182CM MODEL WO092CA tsco W182CMH W121CA 2 W242CA rsNo W122CM W242CM W121CM 2 W081CM 2 W121CMH sc3 W121CMH sc3 W122CM sco 242 2 W122CMH sc W242CA TsN2 W121CM 4 onim gt Si REG STERED VERSION ADDS NO o WATERMARK e 5 Z intan 5 1 PREFACE 2 4 REFRIGERATION CYCLE 10 1 1 SAFETY 1 2 2 4 1 CONDENSER 10 1 2 INSULATION RESISTANCE TEST 2 2 4 2 EVAPORATOR 10 T 3 SPECIFIGATIONS 3 2 4 3 CAPILLARY TUBE 11 TAEFEATURES sera 3 3 INSTALLATION 1 5 CONTROL LOCATIONS 4 3 1 SELECT THE BEST 13 2 DISASSEMBLY INSTRUCTIONS 3 2 CHECK OF INSTALLATION 13 2 1 MECHANICAL PARTS a aaa 6 3 3 HOW TO DRAIN eene 13 2 1 1 FRONT GRILLE aa 6 3 4 HOW TO INSTALL 14 2 1 2 CABINET lal ini 6 3 4 1 WHEN USING
38. 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 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 humid days the air conditioner may overflow conclensed water If the air conditioner is used in hot and a high humidity zone exchange the HOLE RUBBER for the Q DRAIN PIPE See figure 20 figure 21 AWNING FENCE 5 2 COOLED AIR HEAT RADIATION ABOUT 2 Over 20 Figure 19 BASE PAN BOTTOM D HOLE RUBBER Figure 20 ADS NO e WATERMARK amp eS Figure rint 3 4 HOW TO INSTALL SUGGESTED TOOL REQUIREMENTS SCREWDRIVER RULLER KNIFE HAMMER PENCIL LEVEL PREPARATION OF CHASSIS 1 Before installing the room air conditioner please install the knob If it is not fixed on the unit 2 Remove the screws which fasten the cabinet at both sides and at the back 3 Slide the unit from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet 4 Slide the air conditioner into the case Reinstall t
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