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Contents
1. 6 3 4 2 WHEN USING INSTALLATION KITS 14 2 2 AIR HANDLING 7 3 5 HOW TO USE THE REVERSIBLE 2 2 1 GUIDE AND BLOWER 7 INLET 15 2 22 FAN cibuste eden ee terae 7 4 TROUBLESHOOTING GUIDE 2 2 35 8 4 1 OUTSIDE DIMENSIONS sss 16 2 3 ELECTRICAL PARTS 8 4 2PIPINGSYSTEM 16 2 3 1 OVERLOADPROTECTOR 8 4 3 TROUBLESHOOTING GUIDE 17 2 3 2 8 2 3 3 CAPACITOR oaar ees 9 5 SCHEMATIC DIAGRAM 234 POWER 9 5 1 CIRCUIT DIAGRAM 29 2 3 5 THERMOSTATI 9 aya 2 3 6 ROTARY SWITCH 9 276 COMPONENTS LOCATION FORMAN TIG ASM cae 2 37 MOTOR L ln 10 6 EXPLODED 33 7 REPLACEMENT PARTS LIST 34 1 PREFACE This SERVICE MANUAL provides various service information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The refrigerant is charged at the factory Be sure to read the safety precautions prior to servicing the unit 1 1 SAFETY PRECAUTIONS 1 2 INSULATION R2. le ET EFROST ORY B gr L FAN swt PWB P NO a 36 Schematic Diagram PWB 557 6871A10193 S MODEL W182CM W182CMH W242CM Display PCB PWB ASM P NO3 6871A20611 402 2 O 1 DIGITI D AUTO SWI SWS PWB P NO 6871A20611 37 6 EXPLODED VIEW 6 EXPLODED VIEW 5 9 5 Di gt E wg f 2 55 5 lt 8 227200 BID LEAD 135500 7 REPLACEMENT PARTS LIST Service Parts N Non Service Parts DAR Ne 00 PTI ON VUSlCA VWIZICM W 30410 BASE ASSEMBLY LID UU SASS F VU PANE ASSEY ONR 37220037A mA DO NER HRI ZNI A 4 58 20002 20A 005 1A R SZ ONR VRTA aysen ENUXER 0 R 49000 BRAE ASUUALUUULA N
3. 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 ROOM AIR CONITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS COMPLETE LIQUID LE HOT BOIL OFF POINT COOLIEOWPHESSUHE VAPOR DISCHARGED COOLED AIR ELE 54 4 h EO ROOM AIR HEAT LOAD d 24 OUTSIDE COOLING gt AIR FOR REFRIGERANT PASS THROUGH gt LIQUID PRESSURE DROP LIQUID OUTLET ZZ HIGH PRESSURE VAPOR CAPILLARY TUBE 4 REFRIGERANT Low PRESSURE VAPOR Figure 34 20 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 Malfunction of fan Repar gasteak Clogged of
4. ec ve O m 5 of Ea m m u m m 5152929 I Beg o b 5 kn ba o 1 SNWS OLN 3900 2 935 4 636 95 935 0105 01510 apes 1960 24055 4055 gues 4610 705 vas KJ o 031 TER vvoo2Nn7n EEE WIOOT H aan OMS 440 NO SAS NMOG dW3L LAS ONAS NO HAR NLPHOLEML WOOIW 7 AVME AR ONAS AM dWD2 A8 E 2 EJ lt vas avo 4178 po OV T 8i HL 3dld T 5708 1810272 03433 _ AVE 1 HIOM 810350 0 HL WOO3 eat Pump Only 501 cA S 5 Gb Gb 5 3 MODEL W081CM W121CMW122CMW121CMHW122CMH Main 2 20 cour Q ROIA 6 om EE 0000 RA d i li 00000000 8000 000000 oo9 O Br d E 0 PWB ASM 0 6871 20195 402 TIMER 42 S hs Fi
5. LG Electronics Inc January 2005 P No 3828 28007 Printed in China
6. f H 2 pe 5 RYSYNC a z ZNR E 8 2 I i pe 4 3 TRANS wam 0 09 FORMER FUSE 250V T2A 115V T2A 3854AR2330P WIRING DIAGRAM S Service Parts N Non Service Parts 7 ven ans 1 POWER CORD ASSY 1 5 2 MOTOR ASSY 1 3 COMPRESSOR 1 4 MAIN P W B ASSY 1 5 5 DISPLAY P W B ASSY 1 6 THERMISTOR 1 7 CAPACITOR 1 8 CONNECTOR ASSY 1 N 9 OVERLOAD PROTECTOR 1 34 5 2 ELECTRONIC CONTROL DEVICE MODEL W081 CM W121CMAW122CMW121CMHW122CMHW182CAW182CM W182CMH W242CANV242CM ASE ODENI 1 ano 2 100 0001 TO 0000 0501 1200 3snd 502 05 E02 1203 0109 SP ynon 39089 arog 3 19 dSIQ NO 91 3 v1 v49 dWD2 A8 5084 02091 2184 010311 dead 31028 azoa 91 SL cl LL 01 6 ice 7105 SNVAL N3ADd 51021 YAMAN ozi P102 M3 vS 3 LW 3H ANG 14915 3 1SO43Q ONIMS V 300 1000 1000 3 3103 3208 3202 1002 AS AVIMI AM 301 AVM NO 4400 d W vv ev zv ty
7. 6 Re install the component by referring to notes See Figure 17 14 Figure 15 Figure 16 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 refrigeration cycle 1 When replacing the refrigeration cycle 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 and up to valve by means of the manifold and entire system If high vacuum equipment is used just crack valves A and B for a few minutes then open slowly with the two
8. See Figure 1 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 cabinet 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 A Figure 2 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 HHHH HHHH KHAAA FHH HHH HHHH HHHH Figure 3 10 2 2 AIR HANDLING 5 2 2 1 GUIDE AND BLOWER 1 O OQ BEM Remove the cabinet Refer 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 th
9. 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 a range of 60 F to 86 F by 1 F Select the lower number for lower temperature of the room ENERGY SAVER The fan stops when the compressor stops cooling Approximately every 3 minutes the fan will tern on and check the room air to determine if cooling is needed AUTO SWING This button can automatically control the air flow direction SLEEP MODE BUTTON Press the sleep mode button to set the time you want the unit to turn off automatically The timer is programmed in one hour increment by pressing the button Every time you push this button the remaining time will be set as follows 1Hour gt 2Hours gt 5 4Hours gt 5Hours gt 6Hours gt 7Hours gt OHour 1Hour 2Hours2 Note The Sleep Mode will be operated at low fan speed for quiet sleeping The temperature will automatically rise by 1 over the next 30 minutes and by 2 in 1 hour for comfortble sleeping REMOCON SIGNAL RECEIVER 2 DISASSEMBLY INSTRUCTIONS Before the following disassembly 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
10. 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 15 3 Remove capillary tube 4 Re install the component 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 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
11. referring to the BEM Remove the cabinet Refer to section 2 1 2 removal procedure above 2 3 2 COMPRESSOR Remove the cabinet Refer to section 2 1 2 Discharge the refrigerant system using a Freon Recovery System 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 Remove the overload protector Refer to section 2 3 1 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections Remove the 3 nuts and the 3 washers which fasten the compressor Remove the compressor See Figure 10 Re install the components by referring to the removal procedure above Figure 8 Figure 9 Figure 10 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 POWER CORD 1 Remove the control box Refer to section 2 1 3 2 Open the control box Refer to secti
12. 21008B 3530A10182A 3720A10003A 3550AR7032A 4758AR7308A 4758A20051A 4800A10001A 4998A10020A 4995A30014Q 5231 1152 3831420155 2 006775 63234200035 67114200561 6871 20611 6871A10193B 4900AR7024B 4681A20073B 4948A 10005B 4960 20005 5239AR1523K 5900 20030 5900A10009B 5421AR2910D 4830AR4335A 5403A20083G 5211A20643C 5211A30260V MCB34678802 EAF36097202 5211A20644A 5211A10067R 3H02932B 6120AR2194K REMARK 5210 20351 5210 20351 Service Manual 57 PART NO 2006 DESCRIPTION REMARK ASSRMELY SINGLE E 13087400088 1390 CABINETASSEMBLYSINGLE 135312 GRILLE ASSEMBLY FRONT SINGLE ssatina 135313 ORILLE ASSEMBLYINLET AEA 135500 COVERCONTROLUNDOOR O R 13735 PANELASSEMBLY CONTROL 3 R 147581 VANEHORIZONTAL Mrs VANEHORIZONTAL 24800 momo oo onoo wexo soo AR R _ 15 3 HLTERMECH NC 236310 ESCUTCHEON O 32028 R _ 240950 CONTROL BOX ASSEMBLY SINGLE 4995A20610P 46954206100 4995206130 4995A20613R R 263230 THERMISTOR ASSEMBLY R 264110 POWER CORD ASSEMBLY 2006770 amora 2HX670 266003 swrcumOTARY 267110 REMOTECONTROLLERASS
13. 590144 R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 42 DESCRIPTION REMARK 304140008 59000000 5 00 148000 ESCUTCHEON 3314200328 148000 148000 148000 14 6600 540 2006 TSNL X 147582 2 1 W 16A W 0G 3521153 TUBEEVAPORATORIN 1 5210224W R 554160 COMPRESSOR 25200803 R 550140 ISOLATOR COMP 402283000 R W48602 CLAMPSPRING 1 342935 R WOCZZ CAPACITOR R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 43 Parts List Replacement Parts List 35500 COVER ASSEMBLY CONTROL SINGLE 3551A30015A R 147582 o LoUvERVERTICAL 758 6 57 R 7581 1 LOUVERHORIZONTAL 5990420024 R 147581 2 LouvER HORIZONTAL 5990420034 14800 suPeORTER soomaa R 14940 KNOBASEMBLY _ __ ___ R 14980 sHRuD dans R 152302 FILTERMECH AC S23IAR ISA R 23830 ESCUTCHEO 38314201550 R 26410 PowERCORDAsSEMBLY R THERMISTOR f 63234200035 R o 266002 swrcHR
14. 7E 5211AR7059A R 554030 GONEENSER ASSEMBLY FI RST 5403 2008 540342004271 R 554160 coMRESSR 2206 R 3501 FNM 2 R 5652 67505 R 35211A TUBE ASSEMBLY CN INDOOR 52114206434 5211AR2926H OR wcz __ _____ _______ 6120482194 OCZZA10002C 3429928 R 5210 20351 5210AR4373B R V8210F 2 TUBE EVAPORATOR 5210A20351F 52104 70908 R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 41 E 130910 CABINET ASSY SINGLE 30914280014 3001008008 35314210086 139303 GRILLE Assy NET 135500 OUR COOL 259000008 C OR 147581 R 147582 NER VERTICAL _ HX aR 148000 SUPPORTER R 10 8 2 5231 is i PR mma m m 249950 CONTROL BOX ASSY SINGLE 4995120038 49954202387 4995421001P 4905010010 4995A210010 R 264100 PONER CORD ASST oc 24006776 2005986 R 269300 R 4681420140 R 319001 DUPER VENTILATION OR aR 349600 MOUNT woTOR nR KD asooo O Baoak aR 359011 AWA R A ae 5421 308 5421 va M R m im m mz m UN EDT 18 m SIME
15. 9 52 3R 15C P9 52 2R 16C TURBO PROPELLER TYPE FAN WITH SLINGER RING 6 POLES REMOTE THERMISTOR VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN SLIDE IN OUT CHASSIS COMPRESSOR INTERNAL OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR 3 WORE WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE DRAIN 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 mm 660x428x770 VAPORATOR ONDENSER AN INDOOR AN OUTDOOR AN SPEEDS FAN COOLING AN MOTOR 3 AIR DIRECTION CONTROL EVAPORATOR 1 295238156 CONDENSER _ 295228166 rFaMNDOR 1 TURBO 2 2 FANOUTDOR 7 PROPELLER TYPE FAN WITH SLINGER RING FANSPEEDSFANCOOLING 22 FANMOTOR 7 7 6 0 OPERATION CONTROL ROOM TEMP CONTROL ARDREETONGONROL HGRONIALLOUVERUPRDONN HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION 71 SUDE IN OUT CHASSIS INTERNAL OVERLOAD PROTECTOR INTERNAL THERMAL PROTECTOR _____ 3 WORE WITH GROUNDING ____ ONSTRUCTION PROTECTOR POWER CORD DB Dry Bulb WB Wet Bulb 1 4 5 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 the CLOSE posi
16. AL 5990200334 R 48000 SUPPORTER 4800ART27IA R 149980 15202 FILTERMECH A C 5231AR6I59A R 238310 ESCUTCHEON CE TO 264110 POWER CORD ASSEMBLY 3H01307D R 269310 THERMOSTAT ASSEMBLY 2801002 26300 THERMISTOR ASSEMBLY 067 R 267110 REMOTE CONTORLLERASSY TO R 268712 PWB PCBJASSY DISPLAY HF R 26874 PWB PCB ASSY MAIN EP 3901 DAMPER VENT 4900AR7265A R 31681 MOTOR ASSENMLY AC SINGLE 4681A20081K R 349480 349600 BRACKET MOTOR 4960AR1596A_ R 352390 AIRGUIDE ASSEMBLY 5239A20001W R 3902 FANTURBO 3900A2007A R 559010 FANASSEMBLY AXIAL 5900ARIS08B R 354210 ASSEMBLY FIRST 5421A20248F R 554030 CONDENSER ASSEMBLY BENDING 5403A20232B R 352114 TUBEASSEMBLY SUNCTION 52114100949 R 552101 TUBECAPILLARY 5210A24956K R 554160 COMPRESSOR 5416A20014H R 146812 o MOTORASSEMBLYSYNC 2H01100 R 352115 TUBEASSEMBLY CONDENSER OUT 5211A10067L 552204 VALVESOLENOID _ __ W48602 CLAMPSPRING 3H02930 WOCZZ CAPACITOR OCZZA20QIX R WS210 amp 1 TUBEEVAPORATOR 52100250404 R WS2106 2 TUBEEVAPORATOR 52104250400 R Service Manual 57 44 45
17. BAS 2827880017 TD SOD AZ R 152202 FILTER EA 67480 OR ASSEMBLY 6323 7000 poi LZ6ITIU PEDE CONTROLLER ASSEVELY eed 0757 a STATUE 468 ASSEMBLY 681 200 4681 20073 4900 DAVPER VENTT LATT ON AYQUAR 0 245 L2 D 9480 q 49484300078 On 2 2 ASSEMBLY H SCHARG N 207081 AZ06Z2ZA AR2030A R SU TAR CULE ASSEMBLY 93000 DARI R VAPCRATOR ASSEMBLY FT RS 5421 20061 SAZTARZOIOD UR R TURBO 2 YUUAZUUSUA R EV SALA R Sern 1006 A1006 LAR 059A o F 594030 UNENER ASSERELY FTR 5 2 SADSARZIZIO R 254100 COMPRESSOR UULBADU 2520U BK 003 18 TUI ENTM eS TO R 2 52112043A SZLIAVSZH R PATO ez 48602 CLAMP SPAIN me JUSXS VEZIU TUEE EVO ORIUITJ SZIDNUSBIE SZIUNWGISS R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com E 40 Service Parts N Non Service Parts LOCATI CN wena n 13040 ASSEMBLY SINAE 7 30414200128 3041420012N R 130910 CABINET A
18. E R Btu W h OPERATING INDOOR C 26 7 DB 19 4 WB 35 0 DB 23 9 WB CONDITION OUTDOOR 3959 13 9 EVAPORATOR 2R 16STACKS 2R 13STACKS ONDENSER 2R 18STACKS AN INDOOR TURBO AN OUTDOOR PROPELLER TYPE FAN WITH SL INGER ING AN SPEEDS FAN COOLING 3 3 AN MOTOR 6 POLES ROTARY SWITCH THERMOSTAT VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN ONSTRUCTION SLIDE IN OUT CHASSIS OVERLOAD PROTECTOR INTERNAL THERMAL PROTECTOR 3 WORE WITH GROUNDING ATTACHMENT PLUG CORD CONNECTED TYPE DRAIN SYSTEM DRAIN PIPE OR SPLASHED BY FAN SL INGER 71 32 2 OUT SIDE 181 2 137 8 2011 16 235 8 1431 32 225 16 DIMENSION W H D 470x353x525 600x380x567 m 2 m a m 20 gt 2 lt gt I gt 2 m AIR DIRECTION CONTROL EVAPORATOR PROTECTOR POWER CORD DB Dry Bulb WB Wet Bulb 1 3 SPECIFICATIONS W242CA TSNO W242CM TSNO ren _ RUNNING CURRENT 86 129 26 7 DB 19 4 WB 35 0 DB 23 9 WB CONROE ATTACHMENT PLUG CORD CONNECTED NET WEIGHT 1bs kg DIMENSIONQW H D mm _ _ 604270000202 DB Dry Bulb WB Wet Bulb 6 1 3 SPECIFICATIONS ace E W182CMH OWER SUPPLY 220V 60Hz OOLING Btu h 17 800 NPUT 1 660 TI O m z gt 7 OPERATING 26 7 DB 19 4 WB CONDITION 35 0 DB 23 9 WB 7800g 27 50z P
19. EMBLY GOM R 268712 PWB PCB ASSEMBLY DISPLAY R 265714 PWBUCB ASSEMBLYMAIN emma R 26030 THERMOSTAT ASSSEMBLY 346811 MOTORASSEMBLYSINGLE 4681A20081T 46614201306 46810200817 4681020130 R 340001 DAMPERVENTIATION ARSA R 349800 MOUNT MOTOR 49G0ARI596A 4960A10006A 4960 139 6 2960 1000 R 352113 TUBE ASSEMBLY DISCHARGE SINGH 52114250408 5211421528 52114250408 5211401529 R 5239A20001W ERE 3540 EVAPORATOR ASSEMBLY IRST 54214202488 5421400248 54214202488 5421220246 R eua sea 550140 SOLATORCOMP 4H00982C 402201005 4H00982C 302201005 OR _ 55202 TUBECAPILLARY BEND 5210 2495GH 5210224956 5210224956H 52104094958 R 552113 TUBE ASSEMBLY CONDENSER OUT 5711427050 5211AR7050E 5211 AR7059A 5211AR7059E R 594030 CONDENSER ASSEMBLY FRIST 59460 COMPRESSOR aao 516000458 2520009 002 R 5900 35211 TUBE ASSEMBLY SUCTION INDOOR 5210247 5211A10094P 5211A10247 5211410094 R WoCzz t2ooio4r oczzazoooix 61202194F OCZz20001X R was cLAMPSPRING eee LWSMOI TUBEEVAPORATOR 5210 21063B 59104301440 52104210638 5210 OR 752162 TUBE EVAPORATOR 5210 2108 5210430144 52100210886 5210
20. ESISTANCE TEST 1 When servicing the unit set the ROTARY SWITCH 1 Unplug the power cord and connect a jumper or POWER SWITCH to OFF and unplug the power between 2 pins black and white cord 2 The grounding conductor green is to be open 2 Observe the original lead dress 3 Measure the resistance value with an ohm meter If a short circuit is found replace all parts which between the jumpered lead and each exposed have been overheated or damaged by the short metallic part on the equipment at all the positions circuit except OFF of the ROTARY SWITCH 3 After servicing the unit make an insulation resis 4 The value should be over 1MQ tance test to protect the customer from being exposed to shock hazards 2 1 3 SPECIFICATIONS 10 115V 60Hz ER MUNI OPERATI NG 26 7 DB 19 4 WB CONDI TI ON 35 DB 23 9 WB PROTECTOR 2 00751 DEDI MENSION 18 2 x 2011 16 235 8 x 1431 32 x 225 16 Wx D DB Dry Bulb WB Wet Bulb 1 3 SPECIFICATIONS COOLING CAPACITY Btu h UNNI NG CURRENT 5 1 OPERATING CONDI TI ON FAN NDOOR ides b A DRAIN SYSTEM NET WEI GHT OUTS DEDI MENSTON Wx Hx D DB Dry Bulb WB Wet Bulb 1 3 SPECIFICATIONS irem wosicA TSo Wo92CA TSG0_ W121CA TSC2 wi22ca rsco 1 115V 60Hz 1 220V 60Hz OOLING Btu h 12000 1220 RUNNING CURRENT A 5 5 ie 9 8
21. LA LR 2 Ki EE M alin min mal ASSY CONDENSER OUT 52114100676 5211ARTO59A R Em TUBE 5210421847C 5210A20351E R eem a m T 3 0420351 R 554160 ONPRESSOR 2520ucakoas 25200098021 2520uoBko03 R 567502 LP 6080900 67aouLo2oa R 550140 ISOLATOR COP WS pou CAPACITOR 0CZ7A20001N 6120AR2194A oczza20001N 61202R2IO4C R Parts List Replacement Parts List DESCRIPTION BASE ASSEMBLY SINGLE ABINET ASSEMBLY SINGLE RULE ASSEMBLY FRONT SINGLE GRILLE ASSEMBLY INLET PANEL ASSEMBLY CONTROL COVER ASSEMBLY CONTROL SINGLE LOUVER VERTICAL 147581 ER HORIZONTAL SUPPORTER SHROUD CONTROL BOX ASSEMBLY SINGLE FILTER MECH A C ESCUTCHEON POWER CORD ASSEMBLY THERMISTOR ASSEMBLY REMOTE CONTORLLERASSY PWB PCB ASSY DISPLAY PWB PCB ASSY MAIN DAMPER VENT MOTOR ASSENMLY AC SINGLE ORIEICE BRACKET MOTOR AIR GUIDE ASSEMBLY FANASSY BLOWER FAN ASSEMBLY AXIAL EVAPORATOR ASSEMBLY FIRST 554030 CONDENSER ASSEMBLY BENDING 35211 Tube Assembly Suction 55210 Tube Capillary Bending 554160 COMPRESSOR 567502 O L P TUBE ASSEMBLY DISCHARGE SINGLE TUBE ASSEMBLY CONDENSER OUT CLAMP SPRING CAPACITOR TUBE EVAPORATOR TUBE EVAPORATOR MEM PART NO 2007 W121CM SC4 3041A20012R 3091A20029D 3531A
22. LEAD Wire to Check the RY COMP 24 gt RY COMP again Possible Trouble 4 Is the voltage NO 2 or 3 or 4 of IC01M DC 5V ves of ICO1M OV Is the voltage NO 13 or 14 or 15 FAN does not operate NO NO Exchange ICO1M Check the RY Hi or RY Med or RY Lo Check the wiring diagram Possible Trouble 5 Is the Knob of SW1 set to left position PES Is the voltage No 1 of CN DISP1 of Main PCB Ass y DC 5V YES The function of Energy Saver does not operate NO e Exchange ICO1M Set the Knob of SW1 NO to left position Check the SW1 e Check the pattern of Reference to OWNER S MANUAL 25 Main amp Display Possible Trouble 6 Is the voltage of Battery about over 2 3V ves s the voltage No 10 Ass y DC 5V Is the connection of CN DISP2 all right of CN DISP2 on Main PCB Remote controller does not operate NO NO Exchange the battery NO Check the PCB pattern Connect connector to e Exchange Receiver Ass y Possible Trouble 7 Is the ICO1G all right YEs It displays abnormally on display PCB Ass y NO CN DISP2 exactly NO Is the connection of CN DI
23. NING FENCE 75 m RADIATION COOLED AIR ABOUT 1 2 Over 20 Figure 19 BASE PAN BOTTOM HOLE RUBBER Figure 20 2 DRAIN PIPE Figure 21 3 4 HOW INSTALL SUGGESTED TOOL REQUIREMENTS SCREWDRIVER RULLER KNIFE HAMMER PENCIL LEVEL PREPARATION OF CHASSIS 1 CAUTION The power cord must be connected to an independent Before installing the room air conditioner please install the knob If it is not fixed on the unit Remove the screws which fasten the cabinet at both sides and at the back Slide the unit from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet Slide the air conditioner into the case Reinstall the 2 screws removed earlier on each side of the case circuit The green wire must be grounded Figure 25 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 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 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 th
24. SP2 all right yes Does the Q12G on main PCB Ass y Q13G Q14G operate normally Exchange the display PCB Ass y NO gt Exchange ICO1G Connect connector Y 26 to CN DISP2 exactly e Exchange Q12G Q13G Q14G ELECTRICAL PARTS TROUBLESHOOTING GUIDE M1003L M1203L Possible Trouble 1 The unit does not operate Is the Trans input power No Check the Fuse AC 115V ES Is the Trans output power about AC 14 Is output Voltage of ICO1D NO Is shorted the Trans output Check the wiring diagram Check the Main PCB pattern gt Exchange the Trans Exchange 0020 0050 DC 12V NO gt Exchange ICO1D Is output Voltage of ICO2D DC 5V s the reset circuit all right NO Exchange IC02D The No 36 of Micom is 5V 15 the connection between NO e Exchange 1 Connect connector Main and Display all right exactly Check the PCB Is the voltage No 24 of Micom Exchange Main Ass y pattern Possible Trouble 2 15 setting Temp set lower than Room Temp 0 5 C Is the voltage No 16 of IC01M 0V Check the RY COMP Check the wiring Dia
25. SSEMBLY SINGE 3091420095 R 135312 GR LLE ASSEMBLY FRONI SINGE 35314210088 353101008 R 135303 G LLE ASSEMBLY I NET 3530A10182A 3530410182 R 135500 GERGNRG NOR 355048703824 R 237200 PANEL ASSEMBLY ONIRA 370200 R 14581 _ o 458205 R 147582 47584873084 R 148000 480 R 1498 SRAD 4998A10020A 4998A10004A R 152302 X R 2383100 EO C 38325 R 249950 CONTROL BOX ASSEMBLY SI NAE 4995A30014D 4995A30014E R 567480 THERMSIRASSEY 6323420005 R 264100 PWERGRDASSEMLY 2 20 R 267110 REMDIE CONTROLLER ASSEMBLY 6711420056 R 268711 1 PWXPCB ASSEMBLY O SPLAY R 268711 2 PWX P ASSEMBLY X egnamoec R 346811 MICR ASSEMBLY I NAE 468120073 46814201740 R 349001 DAMPER enn LANON R 34940 X 49M8NQQB R 349600 49600 R 352113 TUBE ASSEMBLY OSGWRE SI N3E 5211A20644N 5211AR2930T R 35230 ASSEMBLY 2 52395 R 354210 EVAPCRATOR ASSEMBLY FI RST 5421AR2910D 5421AR2912H OR 359012 ANTO 2 590030 R 55040 SSARGMW 2 4830933 R 552102 TUBE CAPILLARY BED 52111448 52114214480 R 552113 TUBE ASSEMBLY 5211A1006
26. 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 Equipment needed Vacuum pump Charging cylinder Manifold gauge Brazing equipment tool capable of making a vapor proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve CONDENSER COMPOUND HIGH PRESSURE SIDE 7 7 MANIFOLD GAUGE B CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR LOW PRESSURE SIDE COMPRESSOR EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 18A Pulling Vacuum Figure 18B Charging 16 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
27. air filter Unit runs but poor cooling Check heat load increase Clean condenser Check inside gas Replacement of unit if the pressure unit is beyond repair Obstruction at air outlet Adjusting of refrigerant charged Correct above trouble Malfunction of compressor Check clogging refrigera Replacement of tion circuit compressor Satisfactory operation with Repair clogging in refrigera temperature difference of tion circuit inlet amp outlet air 44 50 F 7 10 C 21 Fails to Start Check of power source Check circuit breaker fuse Check of 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 Irregular motor resistance Irregular motor insulation Capacitor check Improper wiring Replacement lt Irregular motor resistance 0 Replacement of fan motor Regular but fails to start Irregular motor insulation Q Replacement of compressor locking of rotor metal Replacement of compressor Motor damaged 22 ELECTRICAL PARTS TROUBLESHOOTING M1203R WM 1211 Possible Troub
28. amaged 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 the 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 overload Capacitor Test capacitor Wiring Check the terminals If loose repair or replace Refrigerating system Check the system for a restriction Insufficient cooling or heating Air filter If restricted clean of replace Exhaust damper door Close if open Unit undersized Determ
29. e evaporator forward and pulling it upward Move the evaporator to the left carefully Pull out the hook of orifice by pushing the tabs and Figure 4 Remove the front grille Refer to section 2 1 1 slightly See Figure 4 remove it See Figure 5 10 Remove the clamp with a hand plier which 12 Remove the 4 screws which fasten the air guide 13 Move the air guide backward pulling out from the 14 Re install the components by referring to the 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 NO QO WD secures the blower Remove the blower from the barrier base pan removal procedure above Figure 5 Figure 6 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 2 3 ELECTRICAL PARTS 2 3 1 OVERLOAD PROTECTOR 1 Remove the nut which fastens the terminal cover Remove the terminal cover See Figure 9 Remove all the leads from the overload protector Remove the overload protector Re install the component by
30. e right side or lower side Figure 22 Figure 23 Figure 24 Figure 27 Figure 28 Figure 29 48 3 5 HOW 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 Figure 31 2 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front 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 If you want to pull out the filter downward use the reversible inlet grille without change The grille is already assembled for that way Figure 33 49 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS unit mm inch 4 2 PIPING SYSTEM CONDENSER COIL FAN CAPILLARY TUBE MOTOR COMPRESSOR BLOWER
31. eely 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 but fan motor runs Voltage Check voltage not within limits call an electrician Wiring Check the wire connections if loose repair or replace the terminal If wires are off refer to wiring 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 31 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 d
32. equipped CLOSE VENT OPEN 5 4 6 7 3 27 2 8 17 9 Wait Three Minutes Before Restarting Low Cool Thermostat Operation Warmer BEFORE RESTARTING WAIT THREE MINUTES Thermostat Operation A slight heat odor may come from the unit when first switching to HEAT after the cooling season is over This odor caused by fine dust particles on the heater will disappear quickly 1 5 2 COOLING ONLY MODEL WITH REMOTE CONTROL TOUCH DISPLAY REMOTE CONTROL Precaution The Remote Control unit will not function properly if strong light strikes the sensor window of the air IS E conditioner or if there are obstacles between the Remote Control unit and the air conditioner 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 OPERATION MODE SELECTION BUTTON Every time you push this button it will toggle COOL FAN and DRY ON OFF TIMER BUTTON Everytime you push this betton timer is set as follows 1Hours gt 2Hours 3Hours gt 4Hours 5Hours gt 6Hours gt 7Hours gt 8Hours gt 9Hours gt 10Hours gt 11Hours gt 12Hours Cancel FAN SPEED SELECTOR Everytime you push this button it is set as follows High F 3 gt Low F gt Med F2 9 High F 3 ROOM TEMPERATURE SETTING BUTTON This button
33. gram Possible Trouble 3 RY COMP all right The compressor does not operate NO Select the setting Temp to lower Number Is the voltage NO 1 of Ng IC01M DC 5V Is the Unit for 3 minutes e Exchange IC01M e Wait 3 Minutes Exchange MAIN PCB Ass y The compressor always operate 1 Connect LEAD Wire to Is the wire connection of RY COMP again Check the RY COMP 28 Possible Trouble 4 FAN does not operate NO Is the voltage NO 4 or 5 or 6 of IC01M DC 5V Is the voltage NO 11 12 or 13 Exchange 01 of ICO1M OV Check the RY Hi or RY Med or RY Lo Check the wiring diagram Possible Trouble 5 Remote controller does not operate Is the voltage of Battery NO Exchange ICO1M about over 2 3V YEs 5 the voltage No 3 NO of CN DISP2 on Main PCB gt Exchange the battery Ass y DC 5V Is the connection of CN DISP2 all right Exchange Receiver Ass y 29 e Check the PCB pattern Connect connector to CN DISP2 exactly Possible Trouble 6 It displays abnormally on display PCB Ass y NO e Exchange IC01G Are the 016 and IC02G gt IC02G all right ves NO Is the connection of NO Co
34. ice Refer to section 2 2 1 4 Remove the blower Refer to section 2 2 1 5 Remove the fan Refer to section 2 2 2 6 Remove the control box cover and disconnect 5 or 4 wires of motor housing Refer to section 2 1 3 7 Remove the 2 or 4 screws which fasten the motor from the mount motor See Figure 15 8 Remove the motor 9 Re install the components by referring to the removal procedure above See Figure 15 2 4 REFRIGERATING CYCLE m 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 A 1 before venting the Freon Leave the valve in place after servicing the system 2 4 1 CONDENSER 1 Remove the cabinet Refer to section 2 1 2 2 Remove the 4 screws 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 the evaporator 3 Move the evaporator sideways carefully Refer to section 2 2 1 4 After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator connections 5 Remove the evaporator
35. ine 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 32 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM MODEL WO81CA sa2 W091CA tTsco 092 5 W121CA rsc2 W122CA Tsco WIRING DIAGRAM MODEL W182CA rsNo W242CA rsNo POWER INPUT 1 BK BR 7 ROTARY SWITCH 50708 5704 doo 2 wien PO mu 3 ROCKER SWITCH 3854AR2206H WIRING DIAGRAM S Service Parts N Non Service Parts LOCATION RE DESCRIPTION E ns 1 POWER CORD 1 S 2 ROTARY SWITCH 1 S 3 FAN MOTOR 1 S 4 CAPACITOR 1 S 5 THERMOSTAT 1 S 6 OVERLOAD PROTECTOR 1 S 7 COMPRESSOR 1 S MODEL W081CM W121CM W122CM W121CMH W122CMH W182CA W182CM W182CMH W242CA W242CM POWER INPUT WH BL BK BR Ribbed Plain GN YL GN THERMISTOR 2 7 lt m a 7 a G a D 2
36. le 1 The unit does not operate Is the Trans input power Ne AC 115V YES Is the Trans output power about 14 Is output Voltage of IC01D NO Is shorted the Trans output T Check the Fuse Check the wiring diagram Check the Main PCB pattern Exchange the Trans DC 12V NO Exchange 0020 0050 Exchange ICO1D Is output Voltage of ICO2D DC 5V ves Is the reset circuit all right NO Exchange ICO2D 16 of is 5V Is the connection between NO j e Exchange IC01A C02A Main and Display all right i Connect connector exactly Is the voltage No 20 of Micom DC 5V ves Exchange Main PCB Ass y 23 e Check the PCB pattern Possible Trouble 2 The compressor does not operate Is setting Temp set lower than Room Temp 0 5 C Is the voltage No 11 of ICO1M OV Check the RY COMP e Check the wiring Diagram NO Select the setting Temp to lower Number Is the voltage NO 6 of ICO1M DC 5V Exchange ICO1M NO Is the Unit for 3 minutes Possible Trouble 3 The compressor always operate Is the wire connection of RY COMP all right Jes NO Wait 3 Minutes Exchange MAIN PCB Assy Connect
37. nnect connector Y CN DISP2 all right to CN DISP2 exactly yes Does the 1C03G operate normally on main Exchange IC03G PCB Ass y Exchange the display Ass y 30 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 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 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 Fan motor runs intermittently Revolves on overload Check voltage If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate fr
38. oOKER O o o n 266003 o swrCHROTARY 269310 THERMOSTAT 267110 REMOTE CONTORLLERASSY 6711A20060M R 268712 o PWB PCB ASSY DISPLAY 6871 2061 R 26874 PWB PCBASSYMAIN 6871 10193 R 349011 DAMPER VENT 4904R76A R 346811 MOTOR ASSENMLY AC SINGLE 4681A208w R 349480 349600 352390 359012 359012 rANASSYBLOWER o R 559010 FAN ASSEMBLY AXIAL 5900ARI508B R 354210 EVAPORATORASSEMBLY HRST 5421A20248F_ R 554031 CONDENSERASSEMBLY BENDING 5403A2000M R 554030 CONDENSER ASSEMBLY FIRST R 35214 TUBEASSEMBLY SUNCTION 5211A10094P R 552116 TUBE ASSEMBLY REVERSE 55210 ruBECAPLLARY O O o suoesc R 5416A20045B R 2H011023 R S2MARTOSSE R R R 552204 VALVE SOLENOID 561410 SOLENOID W48602 CLAMP SPRING 3H02932C Service Manual 57 Parts List Replacement Parts List LOCATION 130410 ASSEMBLY SINGLE 3041A30001F 130910 CABINET ASSEMBLY SINGLE 3091420001F R 13542 GRILLE ASSEMBLY FRONT SINGLE 3531A11002A R 13543 GRILLE ASSEMBLY NLET 3530401869 R 13715 PANELASSEMBLY CONTROL WWR 372142006858 R 135500 COVER ASSEMBLY CONTROL SINGLH 3551A30015A R 147582 LOUVER VERTICAL 47SSAR6ISTA R 1475811 LOUVERHORIZONTAL 59904200321 R 147581 2 LOUVERHORIZONT
39. on 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 7 Re install the component by referring to the above removal procedure above Use only one ground marked hole G 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 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 refereing to the Figure 13 above removal procedure See Figure 13 EN 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 Remove the cabinet Refer to section 2 1 2 2 Remove the evaporator Refer to section 2 2 1 3 Remove the orif
40. 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 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 2 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 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 DRAIN PIPE See figure 20 figure 21 B NE AW
41. tion 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 Low Cool Permits cooling with the low fan Speed operation High Cool Xk Permits cooling with the high fan Speed operation Low Heat w 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 and efficient rotary compressor is
42. 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 W081CA 2 W182CA W091CA tsco W182CM MODEL W092CA tsco W182CMH W121CA 2 W242CA W122CM W242CM Tsno W121CM sc W081CM W121CMH W121CMH sc3 W122CM sco W242CM1sn2 W122CMH sc W242CA W121CM SC4 5 1 2 4 REFRIGERATION CYCLE 10 1 1 SAFETY 2 2 4 1 CONDENSER 10 1 2 INSULATION RESISTANCE TEST 2 2 4 2 EVAPORATOR 10 1 3 3 2 4 3 CAPILLARY TUBE 11 TAE FEATURES dert pe 3 3 INSTALLATION 1 5 CONTROL LOCATIONS 4 3 1 SELECT THE BEST LOCATION o oa 13 2 DISASSEMBLY INSTRUCTIONS 3 2 CHECK OF 13 2 1 MECHANICAL PARTS 6 3 3 HOW TO DRAIN 13 2 1 1 FRONT GRILLE 6 3 4 HOW TO INSTALL 14 2 1 2 CABINET it cnet alk 6 3 4 1 WHEN USING 14 2 1 3 CONTROL BOX
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