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Owner`s Manual (General)

1. PWB P NO 6870A90069A PWB ASS Y 6871A10070 RY COMP Ic 2 DISP 1 PWB ASS Y 6871420198 PWB 55 6871 10070 i CN DISP 1 Lex PWB ASS Y 6871420188 050 030 16020 920 16010 29 5 4 COMPONENTS LOCATION FOR DISPLAY P C B ASM MODEL CW XC118HU PWB ASM TIMER MODE en 22 4 SW 5 2 1 LL S a FAN COOL LED2 T TIMER LED3 1 DIGITI ed HNB 771 FAN SPEED DOIF TEMP TEMP UP e ON OFF sw 9 9 9 pow SW7 SW6 SW5 Q Ne PWB 6870 90070 x MODEL CW XC103HU CW XC123HU CW XC143HU MODE e 5 45 SW2 7 PWB ASM d C22L 2 D02F FAN COOL LED2 LED TIMER LED3 1 LED6 201 e JV ES C3 703 eV HB 771 DO4F CN DISP DOSF D07F 0 J09 lel E FAN SPEED DOIF TEMP TEMP UP AUTO SWIN M ON OFF 9 9 9 Dow SW7 swe 4 e 5 O si C PWB 6870 90070 2 6
2. conditioner or if there are obstacles between the Remote Control unit and the air conditioner OPERATION 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 When you first turn it on the air conditioner is on the High cool mode and the temp at 72 F 22 C OPERATION MODE SELECTION BUTTON Every time you push this button it will toggle between COOL FAN ROOM TEMPERATURE SETTING BUTTON This button can automatically control the temperature of the room The temperature can be set within a range of 60 F to 86 F by 1 F 16 C to 30 C 1 C Select the lower number for lower temperature of the room FAN SPEED SELECTION BUTTON Every time you push this button it is set as follows High F3 Low F1 Med F2 High F3 gt ON OFF TIMER BUTTON You can set the time when the unit will turn on or turn off automatically by pressing the timer button If the unit is operating this button controls the time it will be turned off If the unit is off state this button controls the time it will start Every time you push this button the remaining time will be set as follows Stopping operation 1Hour 2Hours gt 3Hours gt 4Hours gt 5Hours gt 6Hours 7Hours 8Hours gt 9Hours gt 10Hours gt 11Hours gt 12Hours gt OHour gt 1Hour 2Hours gt The Setting Temperature will be raised b
3. 8 2 3 2 COMPRESSOR vac dolut dien 8 2 3 3 CAPACITOR d etos ai qub Ot duy 9 234 POWER CORD 9 2 3 5 THERMOSTAT a dioe an tet d 9 2 3 6 SYNCHRONOUS 9 oS MOTOR Stt 10 2 4 REFRIGERATION 10 2 4 1 EONDENSEFPU tita tetigi tege 10 2 4 2 10 24 3 CAPILLARY 11 1 PREFACE 3 INSTALLATION 3 1 SELECT THE BEST LOCATION 13 3 2 CHECK OF 13 3 3 HOW een 13 3 4 HOW TO INSTALL een 14 3 4 1 WHEN USING 14 3 4 2 WHEN USING INSTALLATION KITS 14 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS 44222 17 42 PIPING SYSTEM 18 4 3 TROUBLESHOOTING GUIDE 19 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM 27 5 2 ELECTRONIC CONTROL DEVICE 28 5 3 COMPONENTS LOCATION FOR MAIN P C B ASM 29 5 4 COMPONENTS LOCATION FOR DISPLAY P C B ASM 30 6 EXPLODED VIEW 31 7 REPLACEMENT PARTS LIST 33 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 th
4. 1 84 1 1 1 1 1 1 1 ib RRs 1 1 1 1 1 1 1 1 1 1 1 1 1 8g o w T E n 3 sew scg sect seed 88 o 88 85 p els fe H 5 5 Ti gt 2g 3 fa M ES qt o 8 8 8 5 8 8 5 z g Wd z ajaja 3 zi ele ele S8 Slala 3 2 z m8 5 1 6 5 t 18 1 S z D 5 5 S m 8 8 28 E 35 4 5 2 2 5 2 8 2 E T sao T QNO vo ws E e 0 te t v v sug e A JE 38 amp 3 28 E 3 L CD 1 T L SYNC MOTOR CW XC103HU CW XC123HU CW XC143HU only 28 5 3 COMPONENTS LOCATION FOR MAIN P C B ASM MODEL CW XC118HU
5. 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 34 37 in this manual and on the control box EAE EE E HE TE HE HE HE Figure 3 2 2 AIR HANDLING PARTS 2 2 1 AIR GUIDE AND BLOWER 1 NOOO fF 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 Pull out the hook of orifice by pushing the tabs and remove it See Figure 5 10 Remove the clamp with a hand plier which 11 12 13 14 secures the blower Remove the blower Remove the 4 screws which fasten the air guide from the barrier Move the air guide backward pulling out
6. This button can automatically control the temperature of the room The temperature can be set within a range of 60 F to 86 F by 1 F 16 C to 30 C by 1 C Select the lower number for lower temperature of the room 4 5 ON OFF TIMER BUTTON You can set the time when the unit will turn on or turn off automatically by pressing the timer button If the unit is operating this button controls the time it will be turned off If the unit is off state this button controls the time it will start Every time you push this button the remaining time will be set as follows Stopping operation 1Hour 2Hours gt 3Hours gt 4Hours gt 5Hours 6Hours 7Hours 8Hours 9Hours 10Hours 11Hours 12Hours OHour gt 1Hour gt 2Hours gt Setting Temperature will be raised by 2 F 1 C 30min later and by 2 F 1 C after another 30 min Starting operation 1Hour gt 2Hours gt 3Hours gt 4Hours gt 5Hours gt 6Hours gt 7 5 8Hours gt 9Hours gt 10Hours 11Hours gt 12Hours gt 1Hour gt 2Hours gt 6 REMOTE CONTROL SIGNAL RECEIVER CW XC103HU CW XC123HU CW XC143HU DISPLAY REMOTE CONTROL ON e ECONOMY FAN COOL FAN SPEED 5 Panasonic Precaution The Remote Control unit will not function properly if strong light strikes the sensor window of the air 7
7. 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 11 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 0 2 Mpa 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 tu
8. PART NO LOCATION NO CW XC103HU CW XC118HU CW XC123HU CW XC143HU CONTROL Box ASSEMBLY CW499520104Y CW499520104Z Cw499520104x CW499520104X 1 CONTROL SINGLE CW4994R1221B CW4994R1221A CW4994R1221B CW4994R1221B 2 CONTROL PANEL CW372010003B CW372010003A CW372010003B CW372010003B 3 ESCUTCHEON CW383120031Y CW383120031Z CW383120031Y CW383120031Y 4 CAPACITOR CW6120R2194F CWOCZZ20001N CWOCZZ20001N CWOCZZ20001N 5 POWER CORD ASSY CW2H00677R CW2H00677S CweHo0677S 2 06775 6 THERMISTOR CW632320003D CW632320003D CW632320003D CW632320003D CW3550R7032A CW3550R7032A CW3550R7032A CW3550R7032A 8 MAIN PWB ASSY CW687110070J CW687110070K CW687110070J CW687110070J 9 DISPLAY PWB ASSY CW687120195Q CW687120195P CW687120195Q CW687120195Q 10 MOTOR ASSY SYNC CW2HO1102D CW2H01102D 1020 11 CABLE FLAT CW685090001H CW685090001H CW685090001H CW685090001H EN 1 TUBE ASSEMBLY SUCTION INDOOR CW5211R6081A CW5211R2926A CW5211R2926A CW5211R6081G 2 TUBE ASSEMBLY DISCHARGE SINGLE CW5211R2930A CW5211R2930A CW5211R2930A CW521120805B TUBE EVAPORATOR CW5210R7062A CW5210R7090B CW5210R7090B CW5210R7062A 4 TUBE EVAPORATOR CW5210R7063A CW5210R4373B CW5210R4373B CW5210R7063A 5 TUBE ASSEMBLY CONNECTOR CW5211R7059W CW
9. from the base pan Re install the components by referring to the removal procedure above 2 2 2 FAN Remove the cabinet Refer to section 2 1 2 Remove the brace Refer to section 2 2 1 Remove the 4 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 1 6 E a 4 5 Figure 6 894 7 SS _ N 2 1 2 3 SHROUD 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 2 removal procedure above 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 referring to the Cc 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 If there is no valve to attach the recovery system install one such as a WATCO A 1 before v
10. 220001A CW307220001A CW307220001A 9 AIR GUIDE ASSEMBLY CW523910006D CW523910006E CW523910006D CW523910006F 10 CABINET ASS Y CW3091R2286F CW3091R2286Z CW3091R2286Z CW3091R2286Y 11 DAMPER VENTILATION CW4900R7024B CW4900R7024B CW4900R7024B CW4900R7024B 12 MOUNT MOTOR CW496020005A CW496020005A CW496020005A CW4960R6165A 13 MOTOR ASSEMBLY SINGLE CW468120073E CW468120073B CW468120073B CW468120009Z R 14 SHROUD CW4998R1496A CW4998R1496A CW4998R1496A CW499810004A 15 TURBO CW590020030A CW590020030A CW590020030A CW590020029A 16 AXIAL CW590010009B CW590010009B CW590010009B CW5900R1173A 17 CLAMP SPRING CWL00027 CWL00027 CWLO00027 CWLO00027 18 ORIFICE CW494810005A CW494810005A CW494810005A CW494810005A 19 BRACE CW480010001A CW480010001A CW480010001A CW480010001A 20 EVAPORATOR ASSEMBLY FIRST CW5421 R6086B CW5421R2912C CW5421R2912C CW5421R6086B 21 CONDENSER ASSEMBLY FIRST CW5403R2921A CW5403R2921A CW5403R2921A CW540320042M 22 VERTICAL LOUVER CW4758R2888B CW4758R2888B CW4758R2888B 23 REMOTE CONTROLLER ASSEMBLY CW671190018A CW671190018C CW671190018A CW671190018A R 24 OPERATING INSTRUCTION CW382820046E CW382820046E CW382820046E CW382820046E 25 INSTALLATION KIT CW312710015G CW312710015G CW312710015G CW312710015G R 26 UPPER GUIDE CW4974R3262E CW4974R3262E CW4974R3262E CW4974R3262E 933
11. 5211R7059W CW5211R7059W CW5211R7059W 6 TUBE CAPILLARY BEND CW5425R7133T CW521120598E CW521120598E CW521120598D 7 DRIER ASSEMBLY 585130001 CW585130001F CW585130001F CW585130001F 34 January 2004 P No 3828A20163L Printed in Korea
12. EXPLODED VIEW MODEL CW XC1118HU MODEL CW XC103HU CW XC123HU CW XC143HU 7 REPLACEMENT PARTS LIST Recommendable parts LOCATION PARENO NO CW XC103HU CW XC118HU CW XC123HU CW XC143HU ES P NT GRILLE assy CW353110188A CW353110188B CW353110188A CW353110188A R 1 GRILLE FRONT CW353010136A CW353010136B CW353010136A CW353010136A 2 INLET GRILLE CW353010137A CW353010137B CW353010137A CW353010137A 3 AIR FILTER ASS Y CW5231R1152M CW5231R1152M CW5231R1152M CW5231R1152M 4 HORIZONTAL LOUVER CW4758R2196G CW4758R2196B CW4758R2196G CW4758R2196G 5 VERTICAL LOUVER CW4758R3307C B COMP amp ACCESSORY ASS Y 1 ANTI VIBRATION BUSH CW4830R4335A CW4830R4335A CW4830R4335A CW4H00982E 2 COMPRESSOR CW2520KAC2JA CW2520KQC2AA CW2520KQC2AA CW2520KRC2AA R 3 GASKET CW4986 L001G CW4986 L001G CW4986 L001G CW4986 L001G 4 OVERLOAD PROTECTOR CW6750 L031A CW6750 L067A CW6750 L067A CW6750 L029A R 5 TERMINAL COVER CW3550 L006A CW3550 L006A CW3550 L006A CW3550 L006A 6 BASE PAN WELD ASS Y CW304120012R CW304120012R CW304120012R CW304120012N 7 BARRIER SINGLE CW479020022A CW479020022A CW479020022A CW479020022A 8 SCROLL CW307220001A CW307
13. HASSIS Shipping serews 1 Remove the screws which fasten the cabinet at both sides and at the back 2 Slide the unit out from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet 3 Remove EPS Material 4 Cut the window sash seal to the proper length Peel off the backing and attach the foam pe 42 to the underside of the window sash 5 Remove the backing from the top upper guide Foam PE and attach it to the bottom of the upper guide 6 Attach the upper guide onto the top of the cabinet with 3 type A screws 7 Insert the frame guides 40 into the bottom of the cabinet 8 Insert the Frame Curtain into the upper guide and frame guides 40 9 Fasten the curtains to the unit with 4 Type A screws at the both sides EPS Material CABINET INSTALLATION 1 Open the window Mark a line on center of the window stool or desired air conditioner location Carefully place the cabinet on the window stool and align the center mark on the bottom front with the center line marked in the window stool 2 Pull the bottom window sash down behind the upper guide until it meets NOTE Do not pull the window sash down so tightly that the movement of Frame Curtain is restricted Window stool Figure 21 Figure 22 15 3 Loosely assemble the sill support using the parts in Figure 23 INDOOR OUTDOOR Sill Support 2 Figure 23 Bol
14. KET 1 WINDOW WIDTH A HEIGHT B 4 DETAILS 5 1 x 30 ROUND HEAD WOOD RIGHT SIDE HORIZONTAL LINE 2 GASKET SCREWS 3 WALL A B D E F H 625mm 392mm 280mm 30mm 0 25mm OVER 420mm 5 10mm 5 5mm 245 157 111 22 0 1 OVER 1617 2 3 16 3 e 3 16 3 16 3 4 2 WHEN USING INSTALLATION KITS A WINDOW REQUIREMENTS 0 9 ag gem ar lo This unit is designed for installation in 99 098 standard double hung windows with actual opening 40 64cm 16 min widths from 68 58cm 27 to 99 09cm 39 XUI gt Offset The top and bottom window sash must open 12 7 to sufficiently to allow a clear vertical opening of 16 G35mm ur from the bottom of the upper sash to the window 3 Sill 2198 Interior wall Exterior 74 6cm 25 s min Without frame curtain B INSTALLATION KITS CONTENTS NO NAME OF PARTS Q TY 1 FRAME CURTAIN 2 2 SILL SUPPORT 2 3 BOLT 2 4 NUT 2 5 SCREW TYPE A 10mm 2 s 16 6 SCREW TYPE B UE 3 7 SCREW TYPE C manet 5 8 FOAM STRIP 1 9 FOAM PE 600mm x 25mm x 2mm 1 10 FRAME GUIDE 2 11 WINDOW LOCKING BRACKET 1 12 FOAM PE 920mm x 30mm x 2mm 1 13 1 14 SUGGESTED TOOL REQUIREMENTS SCREWDRIVER RULER KNIFE HAMMER PENCIL LEVEL PREPARATION OF C
15. MOTOR CW XC103HU CW XC123HU CW XC143HU only LOCATION NO DESCRIPTION Q TY PER SET POWER CORD ASSY MOTOR ASSY COMPRESSOR MAIN P W B ASSY DISPLAY P W B ASSY THERMISTOR CAPACITOR CONNECTOR ASSY A OINI OVERLOAD PROTECTOR 4 MOTOR ASSY SYNC 27 os os oo or os oe 5 2 ELECTRONIC CONTROL DEVICE MODEL CW XC118HU CW XC103HU CW XC123HU CW XC143HU 1 1 1 8 i 1 1 gt 2 o 8 i 1 5 1 le 2 9 5 5 8 Oe ie 1 2 D 1 1 RC 1 1 E L 5 1 To amp 5 1 2 1 83 E a i 1 1 K sg
16. ORDER NO 0209003 1 Service Manual Room Air Conditioner CW XC103HU CW XC118HU CW XC123HU CW XC143HU f WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products deal with in this service information by anyone else could result in serious injury or death 2002 Matsushita Electric Industrial co Ltd m All rights reserved Unauthorized copying and anasoniic distribution is violation of law CONTENTS 1 PREFACE 1 1 SAFETY PRECAUTIONS 2 1 2 SPECIFICATION Sinid qup ots 3 13 FEATURES 4 2 DISASSEMBLY INSTRUCTIONS 2 1 MECHANICAL PARTS 6 2 1 1 FRONT pint 6 2 1 2 6 2 1 3 CONTROL BOX Ladies gps 6 2 2 AIR HANDLING 7 2 2 1 AIR GUIDE AND BLOWER 7 2 0 D FAN 7 28 6 SHROUD 8 2 3 5 8 2 3 1 OVERLOAD
17. POR 4 CS LIQUID PRESSURE DROP CAPILLARY TUBE Figure 33 OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH TIED LIQUID OUTLET EZZ HIGH PRESSURE VAPOR REFRIGERANT S555 Low PRESSURE VAPOR 18 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 Clogged of air filter Obstruction at air outlet Unit runs but poor cooling Check heat load increase Clean condenser Check inside gas Replacement of unit if the pressure unit is beyond repair Adjusting of refrigerant charged Stop of auto air swing Correct above trouble Malfunction of compressor Check clogging in refrigera Replacement of tion circuit compressor Satisfactory operation with Repair clogging in refrigera temperature difference of tion circuit inlet amp outlet a
18. UNDING ATTACHMENT PLUG CORD CONNECTED TYPE DRAIN SYSTEM DRAIN PIPE OR SPLASHED BY FAN SLINGER NET WEIGHT lbs kg 95 43 100 45 115 52 DIMENSION W H D inch mm 23 5 8 14 31 32 22 5 16 600 380 567 DB Dry Bulb WB Wet Bulb The specifications will be changed without notice for further improvement 1 3 FEATURES VENTILATION The ventilation lever must be in the CLOSE position in order to maintain the best cooling conditions When fresh air is necessary in the room set the ventilation lever to the OPEN position The damper is opened and room air is drawn out SS CW XC118HU DISPLAY Panasonic 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 IN OPERATION 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 When you first turn it on the air conditioner is on the High cool mode and the temp at 72 F 22 C OPERATION MODE SELECTION BUTTON Every time you push this button it will toggle between COOL and FAN FAN SPEED SELECTION BUTTON Every time you push this button it is set as follows High F3 Low F1 Med F2 High F3 ROOM TEMPERATURE SETTING BUTTON
19. 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 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 26 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM E MODEL CW XC103HU CW XC123H UCW XC143HU CW XC118HU POWER INPUT 1 WH BL BKER Ribbed _Y Plain GN YL GN THERMISTOR 6 a 2 5 5 5 8 MAIN P W B ASM RY COMP 4273 oP FUSE 250 TRANS FORMER V T2A 115V T2A 3854AR2330P WIRING DIAGRAM SYNC
20. be 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 Pin off tool capable of making a vapor proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve CONDENSER COMPOUND HIGH PRESSURE SIDE O MANIFOLD GAUGE B CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR LOW PRESSURE SIDE COMPRESSOR EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 17A Pulling Vacuum Figure 17B Charging 12 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 30 48cm 12 and there should be no obstacles such as a fence or wall within 50 8cm 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 B CAUTION All side louvers of the cabinet must remain exposed to the outside of the structure 4 In
21. charging the refrigerant completely unbraze the interconnecting tube at the capillary tube See caution above NOTES Replacement of the refrigeration cycle 3 Remove the capillary tube 4 Re install the component by referring to notes 1 When replacing the refrigeration cycle be sure to 6 Recharge as follows 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 After discharging the unit completely remove the desired component and unbraze the pinch off tubes 3 Solder service valves into the pinch off tube ports leaving the valves open 4 Solder the pinch off tubes with Service valves 5 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 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
22. de 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 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 but fan motor runs Voltage 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 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 Replac
23. e 25 for ground connection 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 THERMISTOR 1 2 3 4 5 Remove the control box Refer to section 2 1 3 Open the control box Refer to section 2 3 3 Disconnet the thermistor terminals from main P W B assembly Remove the thermistor Re install the components by refereing to the above removal procedure See Figure 13 2 3 6 SYNCHRONOUS MOTOR 1 2 3 4 Remove the control box Refer to section 2 1 3 Unfold the control box Refer to section 2 3 3 Remove the crankshaft Disconnect all the leads of the synchronous motor Remove the 2 screws which fasten the synchronous motor See Fig 14 Re install the components by referring to the removal procedure above Figure 14 2 3 7 MOTOR 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 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 14 8 Remove the motor 9 Re install the components by referring t
24. e factory Be sure to read the safety precautions prior to servicing the unit 1 1 SAFETY PRECAUTIONS 1 When servicing the unit set the POWER SWITCH to OFF and unplug the power cord 2 Observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short circuit 1 2 SPECIFICATIONS er a CW XC103HU CW XC118HU CW XC123HU CW XC143HU POWER SUPPLY V Hz 1 115 60 COOLING CAPACITY Btu h 9 800 11 800 12 000 13 800 POWER INPUT 910 1 090 1 110 1 280 RUNNING CURRENT A 8 4 10 0 10 2 11 8 EER Btu h W 10 8 10 8 10 8 10 8 OPERATING INDOOR F C DB 80 26 7 WB 67 19 4 CONDITION OUTDOOR F C DB 95 35 WB 75 23 9 REFREIGERANT R 22 CHARGE 4900 17 3 5000 17 6 500g 17 6 5300 18 7 oz EVAPORATOR 2 ROW 16 STACKS SLIT FIN TYPE 2 ROW 13 STACKS SLIT FIN TYPE CONDENSER 2 ROIW 18 STACKS LOUVERED FIN TYPE 2 ROW 17 STACKS LOUVERED FIN TYPE FAN INDOOR TURBO FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEED FAN COOLING 3 3 FAN MOTOR 6 POLES OPERATION CONTROL REMOTE CONTROLLER ROOM TEMP CONTROL THERMISTOR AIR DIRECTION VERTICAL MANUAL CONTROL HORIZONTAL AUTO MANUAL AUTO CONSTRUCTION SLIDE IN OUT CHASSIS PROTECTOR COMPRESSOR OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3 WIRE WITH GRO
25. e the switch if circuit is open 25 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 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
26. enting 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 e Figure 8 4 Figure 9 10 2 3 3 CAPACITOR 1 2 gt Remove the control box Refer to section 2 1 3 Remove the knobs and the screw which fasten control panel from control box Remove the screw which located in the front Open the bottom side of control box Remove the screw and the clamp which fastens the capacitor Disconnect all the leads of capacitor terminals Re install the components by referring to the removal procedure above See Figure 11 2 3 4 POWER CORD 1 2 3 Remove the control box Refer to section 2 1 3 Open the control box Refer to section 2 3 3 Disconnect the grounding screw from the control box Disconnect the 2 receptacles Remove a screw which fastens the clip cord See Figure 12 Remove the power cord Re install the component by referring to the above removal procedure above Use only one ground marked hol
27. h and insert between the upper and lower window sash 4 Foam Strip See Fig 28 Figure 28 12 Attach the window locking bracket d with a type screw See Fig 29 Figure 29 13 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 Fig 30 14 Lift the inlet grille and secure it with a type A screw through the front grille See Fig 31 Figure 32 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS unit mm inch 567 22 5 16 29 19 64 1 600 23 5 18 23 7 17 4 2 PIPING SYSTEM CONDENSER COIL FAN MOTOR CAPILLARY TUBE COMPRESSOR BLOWER EVAPORATOR COIL Figure 33 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 SUCTION LINE VAPOR INLET COMPLETE LIQUID BOIL OFF POINT COOLED AIR ZEEE 25 lt 2525555552555554 COOL LOW PRESSURE VA
28. ir 44 50 F 7 10 C 19 Fails to Start Check of power source Check circuit breaker and fuse Check of control switch Gas leakage of feeler bulb setting of thermostat Check of control switch Fan only fails to start Improper wiring Defect of fan motor capacitor Compressor only fails to start Drop of power voltage lt Defect of compressor capacitor Improper thermostat setting Loose terminal connection Irregular motor resistance Q Irregular motor insulation Q Capacitor check Improper wiring Replacement pee EN Replacement of fan motor Irregular motor resistance Q Regular but fails to start Irregular motor insulation Q Replacement of compressor locking of rotor metal Replacement of compressor Motor damaged 20 il ELECTRICAL PARTS TROUBLESHOOTING GUIDE CW XC103HU CW XC118HU CW XC123HU CW XC143HU Possible Trouble 1 AC 115V yES about AC 13V DC 12V Is output Voltage of ICO2D DC 5V yes Is the reset circuit all right The No 18 of Micom is 5V Is the connection between Main and Display all right es Is the Trans input power Is the Trans output power Is output Voltage of ICO1D Is the voltage No 18 of Micom The unit does not operate NO NO Is shorted the Trans output Check the Fuse Check
29. o the removal procedure above See Figure 14 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 15 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 6 Re install the component by referring to notes See Figure 16 10 Figure 14 TAIT N N FAS Figure 15 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 2 After dis
30. rouble 5 Remote controller does not operate Is the voltage of Battery NO about over 2 3V Exchange the battery ves ls the voltage No 17 of CN DISP on Main PCB Ass y DC 5V NO Y Check the PCB pattern NO Connect connector to gt CN DISP2 exactly Is the connection of CN DISP2 all right Exchange Receiver Ass y Possible Trouble 6 It displays abnormally on display PCB Ass NO Is the ICO1G all right Exchange IC01G ves NO Is the connection of CN DISP all right yes NO Connect connector to CN DISP exactly Y Does the Q01G NO 0020 Q03G Q04G operate normally Exchange Q01G Q02G on main PCB Ass y Q03G Q04G yes Exchange the display PCB 24 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 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 bla
31. stall the unit a little slanted so the back is slightly lower than the front about 12 7mm 2 This will help force con densed water to the outside 5 Install the unit from the bottom about 76 2cm 30 152 4cm 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 19 figure 20 13 AWNING FENCE ee EE RADIATION COOLED AIR ABOUT 12 7mm 1 2 Over 50 8cm 20 Figure 18 BASE PAN BOTTOM HOLE RUBBER Figure 19 BASE PAN b BOTTOM DRAIN PIPE Figure 20 3 4 HOW INSTALL 3 4 1 WHEN USING GAS
32. t 4 Select the position that will place the sill support near the outer most point on sill See Figure 23 NOTE Be careful when you install the cabinet frame OFrame Guide Screw Type guides 49 are broken easily 7 E N a ja 2 5 Attach the sill support to the cabinet track hole in 277 H 2 relation to the selected position using 72 Cabinet 2 Type A screws in each support See Fi 24 2 en INDOOR OUTDOOR Figure 24 6 The cabinet should be installed with a very slight tilt about 12 7mm 1 2 downward toward the Screw Type 6 5 5 outside See Figure 25 Adjust the bolt and the nut of sill support for balancing the cabinet e gt lt 7 Attach the cabinet to the window stool by driving the screws 6 Length sixteen millimeters and below through the front angle into window stool 16mm 5 8 8 Pull each Frame curtain properly to each window sash track and repeat step 2 Screw Type B 6 Figure 25 Sill support 9 Attach each Frame curtain to the window sash by using screws 7 C See Figure 26 Figure 26 16 10 Slide the unit into the cabinet See Fig 27 CAUTION For security purpose reinstall screws Type A at the cabinet s sides Power cord Screw Type A E aj igure Screw Type A 11 Cut the foam strip to the proper lengt
33. the wiring diagram Check the Main PCB pattern Exchange the Trans NO Exchange 0020 0050 e Exchange ICO1D NO Exchange ICO2D NO NO Exchange Main PCB Ass 21 Exchange C024 Connect connector exactly Check the PCB pattern Possible Trouble 2 Is setting Temp lower than Room Temp 0 5 C Is the voltage No 10 of ICO1M Check the RY COMP Check the wiring Diagram Possible Trouble 3 Is the wire connection of RY COMP all right es The compressor does not operate NO Select the setting Temp to lower Number NO 15 the voltage NO 7 of ICO1M DC 5V Exchange 01 Is the Unit for 3 minutes delay Wait 3 Minutes Exchange MAIN PCB Ass y The compressor always operate Connect LEAD Wire to RY COMP again NO Check the RY COMP Possible Trouble 4 FAN does not operate Is the voltage NO 1 or 2 or 4 of ICO1M DC 5V the voltage NO 13 or 15 16 NO e Exchange 01 of ICO1M OV Check the RY Hi or RY Med or RY Low Check the wiring diagram 23 e Exchange 01 Possible T
34. y 2 F 1 C 30min later and by 2 F 1 C after another 30 min Starting operation 1Hour 2Hours gt 3Hours gt 4Hours gt 5Hours gt 6Hours gt 7Hours gt 8Hours gt 9Hours gt 10Hours gt 11Hours gt 12Hours gt OHour gt 1Hour gt 2Hours gt AIR SWING BUTTON This button can automatically control the air flow direction ECONOMY BUTTON If you push this button the fan stops when the compressor stops cooling Approximately every 3 minutes the fan will turn on and check the room air temperature to determine if cooling is necessary 8 REMOTE CONTROL 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 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 ae 3 Figure 2 7 2 1 3 CONTROL BOX 1 Remove the front grille Refer to section 2 1 1

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