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1. R WHI TE CA P2 F RED CR BLU VALVE RED BLACK WHITE BLACK R BLUE WHITE OR CA PA DOR FAN CAP2 EAN CAPACITOR XT WY TERMINAL CUREENT INDUCTOR VALVE REVERSING VALVE FS 1 FS29 FUSE Note This wire is BLUE in the outdoor unit using 208 230V power supply 17 Service manual KSWM018 C213 KSWM018 C213 Indoor unit WIRING DIAGRAM TRANS INDOOR UNIT UNIT PART NAME MAIN CONTROL PCB DISPLAY PCB INDOOR FAN SWING MOTOR TRANSFORMER ROOM TEMPERATURE SENSOR PIPE TEMPERATURE SENSOR 4 WAY TERMINAL TO OUTDOOR Outdoor unit WIRING DIAGRAM es OUTDOOR UNI T RED BLACK PART OUTDOOR CONTROL PCB NT COMPRESSOR CAPI COMPRESSOR CAPACITOR CAP x1 x2 ki CT 1 2 XT2 T RED ST DOOR FAN CAPACITOR BLACK HACK GI RED RED WH ITE FUSE 3 154 250V XT 1 io BLA CK 1 XI KM O ve N es ld NS gt RED 1 09 TO I NDOOR UNIT POWER S UPPLY L T
2. Starting current current NEL LEE E RIY ROM Brand 8DTOSHBA GDTOSHBA haa A L 5 Looked otorAmpLRA A 60 Thermal protector B350135 1431E 950 135147 Rede wen Brand WN W j Caa T Indoor noise level HIMiLLG Mode NOKIA Brand NNT Sw s s Outdoor noise level dB 88 58 Regens i MexdWeremeinieel sooo Opsatntem 1730 17 30 Ambentemp 1848 745 Application 14 20 1420 Note The noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The above design and specifications are subject to change without prior notice for product improvement Service manual KSWM012C113 KSWMO12H113 Cooling Capacity Buh 1 100 Heating np w j t Rated current 16 TT J Starting cuenta Model EA0084C1FZDU EA108xIC IFZDU Type ROTARY ROTARY Brand X GDTOSHBA X GD TOSHIBA compressor Rated currenqRLA
3. 18 Service manual 5 018 213 KSWM024 H213 Indoor unit UNIT TO OUTDOOR Outdoor unit WIRING DIAGRAM INDOOR UNIT PART NAME MAIN CONTROL PCB DISPLAY PCB INDOOR FAN SWING MOTOR TRANSFORMER ROOM TEMPERATURE SENSOR PIPE TEMPERATURE SENSOR 4 WAY TERMINAL VALVE FAN2 M BLACK RED RD BLUE n C S 1 2 RD BLACK COMP TR ANS1 B LUE B LUE br BL UE En RT3 XP1 XSI r XT2 7 api SL LA BLICK BLACK BLACK CT RED RED WH 1 FUSE 3154 250V BLACK XT 1 SS LCN 4 ve E E EI E EC ve 1 2N S L N FET TO INDOOR UNIT POWER S UPPLY WIRING DIAGRAM OUTDOOR UNI T CODE PART NAM uiri corio t Re cow COMRESSR CAP COMPRESSOR CAPACITOR Tax OU DOOR FAN CAPACITOR xt sv TERMNAL LVALVE REVERSING VALVE 1 CONECTORS 873 PIRE TEMPERATURE SENSOR ki LAG CONTACT R SSS ORENT INDUCTOR TRANSI TRANSFORMER 01 PCB SOCKETS 0 0 19 Service manual 8 Installation details 8 1 Wrench torque sheet for installation 8 2 Connecting the cables The power cord of connect should
4. Indoor air temp DB Note The chart is the result from the continuous operation under constant air temperature conditions However excludes the initial pull down stage Heating operation Indoor air temp DB Outdoor unit air temp C DB Note The chart is the result from the continuous operation under constant air temperature conditions However excludes the initial pull down stage 16 Service manual 7 Wiring diagram KSWMO009 C113 Indoor unit TO OUTDOOR UNIT STEP MOT CR INDOOR UNIT O OUTDOOR UNIT WR MR WIRING DIAGRAM INDOOR UNI T g c CN8 9 NON GENERATOR CONTROLLER BOARD ON SOME MODELS CN5 CN1 N 10 PIPE TEMPERATURE SENSOR DON TEMPERATURE SENSOR outdoor unit WIRING DIAGRAM OUTDOOR UNIT Dl eB ea pol TO INDOOR UNIT S H ES LACK POWER SUPPLY va AEN a y RE WHITE PART NAME cop COMPRE SSOR COMPRE SSOR CAP AC ITOR VH ITE FAN OUTDOOR FAN Du wy TERMINA Lon RAT INUIR Service manual KSWMO009 H113 Indo
5. Rated current J A 88 J COP WW 86 2 Model PA200x2CS 3MUU PA200x2CS 3MUU Type Rotary Rotary Brand GD TOSHIBA GDTOSHIBA Compressor Thermal protector UP3SE0396 T39 35 0396 139 Mode YDK504B YDK504B Band WELLING WELING Model YDKI00 6EB YDK100 6EB Band 1 Welig Weling Sei piny o y ir UA ou HW Note The noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The above design and specifications are subject to change without prior notice for product improvement Service manual 9 Refrigerant cycle diagram Cooling only LIQUID SIDE 3 CAPILLARY TUBE HEAT HEAT EXCHANGE EXCHANGE EVAPORATOR CONDENSER COMPRESSOR Heat pump mode INDOOR UNIT OUTDOOR UNIT CHECK VALVE LIQUID SIDE Heating Model only P Ur i CAPILLARY TUBE HEAT HEAT EXCHANGE EXCHANGE EVAPORATOR CONDENSER Y GAS SIDE mi bd Bul AWAY VALVE E HEVERSING ACCUMU VALVE LATOR eating Model Only 4 Heating Model Only COMPRESSOR COOLING HEATING 12 Service manual 6 Operation limits Cooling operation Outdoor unit air temp C DB Cooling
6. 33185 2 398299 25 10 52 31918 1 371988 26 95507 5 30707 0 35 204 27 91245 5 299 1 333200 871908 5 2842 2 31 5635 29 83357 56 27382 _ 3 29908 30 j 79708 5 266 _ 4 283459 31 76241 58 25397 _ 5 268778 32 72946 5 24468 _ 6 254954 33 69814 6 2357 7 24 1932 34 66835 61 22725 8 225662 3 64002 62 2197 9 21804 36 6130 63 21124 10 207184 37 58736 64 20373 11 196891 38 5 626 65 1 9653 12 187177 9 53969 66 1 8963 13 178005 40 51752 67 183 14 1694 41 49639 68 17665 JEE A eee 47 KuiwAiRE 2190 N W 89 Place Doral FL 33172 USA Tel 305 594 4972 Fax 305 675 2212 www klimaire com sales klimaire com2190
7. LIMAIRE gt Service Manual Room air conditioner Split Wal Mounted Type Applies to KSWMO009 C113 KSWMOO09 H113 KSWMO012 C113 5 012 113 KSWMO018 C213 KSWMO018 H213 KSWMO024 C213 KSWMO024 H213 NOTE Before servicing the unit please read this at first Always contact with your service center if meet problem Content Content 1 PLCC AUTON 1 tel Safety m m m 1 UV a UU MUTET 1 2 xiii 4 3 DIMENSION mee E E 5 4 Specification 7 5 Refrigerant cycle diagram 12 6 Operation LU LE 13 7 Wiring WAG A cece u 14 8 Installation COU 22 9 1 Wrench torque sneet Tor IM STAL AO u u u u u u u u u u uu uuu uu A 22 TNS der o OS an aaa pana saan aaa ana saan aaa sasa sasa aa ni ann a sa ani pana ua mp 22 8 3 Pipe length and the 22 8 4 Air purging of the piping and indoor unit nnne 22 8 5 Pumping down nennen nennen nnne nnne nnn nnn nn 23 R B E ESSE 25 8 7 Balance refrigerant of the 2 way 3 way valves 26 DO E vac UANO none de one de do en nn ne ded
8. Den one 27 bs sela 28 9 21079 p 30 9 1 Electronic control working environment nnn nnns 30 9 2 Proper symbols their uU tuae iude uitae 29 smog FUNCION RR UU UU mmm 30 a I RS RN 30 SO lala 31 9 6 Cooling ModE TT 31 JD e MOE 32 9 8 Heating MdG 32 9 9 Defrosting mode available for heating 33 SLO AUG MOE en 34 Melee ool d MACON a aan 34 9 12 ICCD MOGe ECONOMIC MOUS NE E 35 Sato AUOT AUCO 36 ATA TUDO RR 36 10 Model and Parameters 38 11 cepi 40 inm Eb O Dp 1 I 39 HOUDIOSHOOHIC AAA duque qM Mu uU 41 DO cT IIT 42 11 4 Resetting phenomenon often occurs during operatlion 45 ES glolole A OO 45 11 6 Temperature SENSO GION aan nids T TT nn eee 46 1 Content 11 7 Over current protection of the compressor occurs 4 times 46 E EROM SNOR M MM II MM I M ITI 46 Prole uuu u uuu E HR PC 47 11 1
9. A 99 Thermal protector B440 135 141E B440135141E Capacitor UF 45uF 250VAC 45uF 250VAC Mode WZDK2538D WZDK2538D Brand f WELLING Capacitor J F Mode YDK23 6A YDK23 6A Bad 7 Outdoor noise evel 5 L 5 heilann g L ON HN Note The noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The above design and specifications are subject to change without prior notice for product improvement Service manual EKSWMO0i12C213 KSWMO012 H213 Cooling Capacity f Buh 1300 Heating np 0 0 w 1080 Rated current Aj j 46 cop WW y 86 2 Model PAf08x1C 3FZDU PA108x1C 3FZDU Typ ROTARY ROTARY w Brand GDTOSHBA GD TOSHIBA Compressor Thermal protector B185 135 141C B185 135 141C Model WZDK2538D WZDK2538D Band 47 WELLING WELLING Capacitor Model __ YDK366B YDK366B Brand 1 Weling s LL LL Refrigerant type g R410A 330 R40413 Liquid side Gas side mm 0635 9127 0635 9127 refrigerant pipe length m 10 10 Operationtemp C 47
10. be selected according to the following specifications sheet 8 3 Pipe length and the elevation Capacity Pipe size un ERE C s AC 1 2 912 7 1 4 46 35 5 8 145 30 _ 16K 28K rr L5 8 915 88 3 8 09 52 6 3 4 919 05 3 8 99 52 20 Service manual Indoor unit Outdoor unit In case that more Outdoor unit Caution Capacity is base on standard length and maximum allowance length is base of reliability Oil trap should be install per 5 7 meters 8 4 Air purging of the piping and indoor unit Required tools Hexagonal wrench adjustable wrench torque wrenches wrench to hold the joints and gas leak detector Note The air in the indoor unit and in the piping must be purged If air remains in the refrigeration piping it will affect the compressor reduce the cooling capacity and could lead to a malfunction of unit Be sure using a torque wrench to tighten the service port cap after using the service port so that it prevents the gas leakage from the refrigeration cycle Es Indoor unit Y Liquid side K i 3 7 24 Service manual Procedure 1 Recheck the piping connections 2 Open the valve stem of the 2 way valve counterclockwise approximately 90 wait 10 seconds and then set it to closed position Be sure to use a hexagonal wrench to operate the valve stem 3 Check for gas leakage Check the flare connection for gas
11. fan off 0 1 T Ts Auto fan at cooling mode High fan Mid fan Room temp down Low fan Room temp up 1 4 5 T Ts Anti freezing control to indoor evaporator at cooling mode T evaporator temp Compressor and outdoor fan on EVAP temp down EVAP temp up Compressor and outdoor fan off after 5 mins I TES TE6 T Condenser high temperature protection only for heat pump 30 Service manual Compressor and outdoor fan on COND temp down COND temp up Compressor and outdoor fan off after 5 mins TE11 TE10 T 9 7 Dehumidifying mode Indoor fan speed at low speed Protection is same as cooling mode 9 8 Heating mode 9 8 1 Generally the 4 way valve is open in heating mode but it is closed in defrosting mode 4 way valve must delay 2 minutes compared with compressor if the compressor changed into non heating mode or turned off 4 way valve doesn t delay in dehumidifying mode 9 8 2 Generally the outdoor fan is turned off with the on off action of compressor in heating mode except for the defrosting mode or the end of defrost 9 8 3 Action of compressor and outdoor fan motor at heating mode compressor must run for 7 minutes after starting and then judge temperature Meanwhile other protections are still valid Compressor and outdoor fan off Room temp down Room temp up Compressor and outdoor fan on U U Ts Ts 2 Ts 3 T This parameter can b
12. leakage 4 Purge the air from the system 5 Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port 6 Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute 7 Use torque wrench to tighten the service port cap to a torque of 1 8 kg m 18n m 8 Set the 3 way valve to the opened position 9 Mounted the valve stem nuts to the 2 way and 3 way valves 10 Check for gas leakage 11 At this time especially check for gas leakage from the 2 way and 3 way stem nuts and from the service port Caution If gas leakage is discovered in step 3 above take the following measures If the leaks stop when the piping connections are tightened further continue working from step 4 If the gas leaks do not stop when the connections are retightened repair the location of the leak discharge all of the gas through the service port and then recharge with the specified amount of gas from a gas cylinder 22 Service manual 8 5 Pumping down Re installation Indoor unit y N Liquid side _ Outdoor unit ul Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position Be sure to use a hexagonal wrench to operate the valve stems 2 Operate the unit for 10 to 15 minutes 3 Stop
13. on and illuminates when the air conditioner is in operation Timer indicator The indicator illuminates then TIMER is set ON PRE DEF indicator For cooling amp heating mode only The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating At this time PRE DEF indicator illuminates Auto indicator This indicator flashes when the air conditioner is in AUTO operation ECON indicator This indicator illuminates while the air conditioner is in economic operation For 12K model nfrared sign al receptor TIMER OPERATION 2 PRE DEF Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation Timer indicator The indicator illuminates then TIMER is set ON PRE DEF indicator For cooling amp heating mode only The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating At this time PRE DEF indicator illuminates 38 Service manual For 18 K and 24K model OPERATON AUTO TIMER PRE DEF O Q Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation Timer indicator The indicator illuminates then TIMER is set ON PRE DEF indicator Just for cooling amp heating mode and for cooling only type its FAN ONLY The air conditioner starts defrosting automatically if outdoor unit frosts in heating op
14. operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve Connect the charge hose with the push pin to the gas service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 5 Setthe 2 way valve to the close position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa 8 Disconnect the charge set and amount the 2 way and 3 way valve s stem nuts and service port caps Use a torque wrench to tighten the service port cap to a torque of 1 8 kg m Be sure to check for gas leakage 2962 Service manual 8 6 Re air purging Re installation ln sy valve j Charging cylinder Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve 3 Leave the valve on the charging cylinder closed 4 Air purging 5 Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minutes repeat 3 times 6 After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve 7 Check the gas leaka
15. sill be discharged 25 Service manual 8 8 Evacuation Indoor unit Liquid side Outdoor unit raran N N a 4 Gas side Vacuum pump Procedure 1 Connect the vacuum pump to the charge sets centre hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil if the vacuum pump oil becomes dirty or depleted replenish as needle 26 Service manual 8 9 Gas charging wie Ce ja Indoor unit ZO aid side TN Outdoor unit f N BE EEG EN N se La Hi Charging X Check ay v mn S Open cylinder Procedure 1 Connect the charge hose to the charging cylinder Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Open the valves Low side on the char
16. 0 170 E area w 18 26 ote The noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The above design and specifications are subject to change without prior notice for product improvement Service manual EKSWMO0i amp C213 KSWMO018 H213 cole Rated current 68 67 Capacity j 180 Heating np Sw y oo Rated current Aj 27141 CoP WW 84 2 Model PA 50x2CS 3KUU PA50x20S 3KUU Type ROTARY ROTARY Brand GDTOSHBA GDTOSHBA Compressor Thermal protector UP3RE0391 T39 UPSREO391 T39 Model 9 YDK316B YDKSt6B Band WELLING WELLING Model YDK53 6KB YDK53 6KB Brand 1 Weling Outdoor noise evel aay 58 S differenceinievel m 8 8 Note The noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The above design and specifications are subject to change without prior notice for product improvement 2402 Service manual EKSWM024C213 KSWMO24 H213 Cooling Capacity 1 2400 Heating ni 1 2
17. 0 Indoor unit communication 47 12 Characteristic of temperature sensor 49 Service manual 1 Precaution 1 1 Safety Precaution prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage Before service unit be sure to read this service manual at first 1 2 Warning gt Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized service center Do not disassemble or repair the product there is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury caution when unpacking and insta
18. MPERATURE SENDR outdoor unit BROWN BLUE WIRING DIAGRAM BL AC K RE D OUTDOOR UNIT XT TO INDOOR UNIT Y G BL ACK POWER SUPPLY 25 ca D able a gig va PAR T NAME COMP RE SSOR COMP RE SSOR CAP AC ITOR OUTDOOR FAN OUTDOOR FAN CA PACITOR 1 TERMINAL CODE 1 FAN2 2 XTI T WH ITE Note This wire is BLUE in the outdoor unit using 208 230V power supply 16 5 012 113 Indoor unit Service manual 10 JT DOOR UNIT STEP MOTOR STP MONI 5 Of 9 i comm CIN ING DI AGRAM DOOR UNI T N nA 3 i SWITCH BOARD 013 N 6 a JXZ Gl CONTROLLER BO RD CN5 CN 1 CN2 10 PIPE TEMPERATURE SENSOR ROOI TEMPERATURE SENDR outdoor unit 5 BUE WIRING DIAGRAM pee OUTDOOR UNIT s S lea Io 7D INDOR WIT Ba POWER SUPPLY 00 G Y G 9 G BLUE
19. an panel 20 Turbo for 9K and 12K This function enables the unit to reach the preset temperature in the shortest time under cooling mode Outdoor unit 1 Power relay control The unit has 3 mins delay between continuously ON OFF operations 2 Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly 3 Hydrophilic aluminum fin For the cooling amp heating mode only The hydrophilic fin can improve the heating efficiency at operation mode 4 4way valve control It is only operated in the heating operation mode except defrosting operation 5 Anti rust cabinet Made from electrolytic zinc steel sheet and anti rust coated components 6 Valve protection cover It protects the valves and prevents water from dripping Service manual 3 Dimension Indoor unit a 280 195 906 18K 1250 12K 18K 1250 Service manual outdoor unit 266 760 500 285 50 200 _ 25 mm x 2k 80 30 50 39 R ow oo u Service manual 4 Specification TE ST si ina s pedar A Jr o ER 18 f Capady Bun fO ar Ratedouren 7 COP WW 8 Mecum
20. e changed from 0 to 3 9 8 4 Indoor Fan actions at heating mode Indoor Fan can be set at HIGH MID LOW AUTO by using a remote controller but Anti cold wind function prevails 31 Service manual 9 8 5 Anti cold wind control function at heating mode T indoor exchanger temp Setting fan speed Breeze T temp down T temp up Fan off TE4 TE1 TE3 TE2 T 9 8 6 Auto wind at heating mode T indoor temp Med fan Room temp down Room temp up High fan 0 2 T Ts 9 8 7 Indoor evaporator high temperature protection at heating mode T indoor exchanger temp Compressor off Fan off Compressor on Fan off T temp down Compressor on Fan on TE9 TE8 TE7 T The louver opens to Standard Angle ANGLHEAT when power is on for the first time 9 9 Defrosting mode available for heating mode 9 9 1 Defrosting condition Defrost starts when either of the following 1 amp 2 1 T3 lower than O C lasts for more than 40 minutes and during this period T3 is lower than 3 C consecutively reaches 3 minutes 2 Calculate from the end of latest defrost evaporator high temp protection only closes outdoor 29 Service manual fan with the compressor still running Add up to 90 minutes 9 9 2 Conditions of defrost ending Defrosting ends when either of the following The time gets to 10 minutes 3 gt 20 The circulation is as following 9 9 3 Defrosting Actions q Defrost 10 or 6 minutes Co
21. e unit to previous settings before the power failure when power returns 9 14 Turbo mode 9 14 1 For 9K and 12K type only 9 14 2 Under cooling mode except Force Cooling mode the indoor fan motor will run in High speed when receive the signal from remoter controller and will get back to the presetting speed when receive again 9 14 3 The turbo mode will cancel and indoor fan motor will get back to the presetting speed when one of following condition occur a mode changed b get into Force Cooling mode c turn off the air conditioner 9 14 4 Sleep mode is not available in this mode Service manual 10 Model and Parameters mom emo emo _ sees eren eses 30 27 TE9 48 48 mor we 0 9 Jo ee wem uw 9 me 36 Service manual KSWMO18 C H 213 KSWMO24 C H 213 FlagO 58 58 Flag 4 AngleOffL 130 FE AngleOffH AngleHeatL 93 RE AngleHeatH AngleCoolL 55 RE AngleCoolH AngleDefL AngleDefH AngleMotorOn I als AngleStep AngleLouver AngleTime IResume Ibmin Idefrost TE1 TE2 TE3 TE4 TE5 TE6 TE7 TE8 TE9 97 Service manual 11 Troubleshooting 11 1 Display board For 9K model Infrared signal receptor OPERATION AUTO TIMER C C PRE DEF C C Operation The indicator flashes once every second after power is
22. er changing indoor fan motor check if the failure realease YES Power supply circuit has problems 11 5 Indoor fan speed out of control Just for 9K and 12K type when indoor fan speed has been out of control for over 1 minute Fan motor is defective 44 Service manual 11 6 Temperature sensor error Including the indoor room indoor evaporator and outdoor condenser temperature sensor Is connector connection good Replace the sencor Repair the connector 11 7 Over current protection of the compressor occurs 4 times Over current protection of compressor occurs 4 times After changing the main control board check if the failure realease No Indoor PCB is defective The voltage of power supply is too low less than 187V No Outdoor unit fault such as the compressor Power supply fault 11 8 EEROM error EEROM error indoor PCB is defective Service manual 11 9 Outdoor unit protects 11 10 Indoor unit communication error 46 Service manual 12 Characteristic of temperature sensor Temp C Resistance Temp Resistance KO Temp C Resistance 10 622756 17 146181 44 43874 n EE 8 56364 19 13263 46 40459 7 522438 2 126431 47 3 8867 6 493161 21 120561 48 3 734 43874 ARR 40459 3887 3798 an 4 44 2 10973 50 J 3450 9 41588 24 078 51
23. erating At this time PRE DEF indicator illuminates For cooling only type when the unit works in fan only mode the FAN ONLY indicator illuminates Auto indicator This indicator flashes when the air conditioner is in AUTO operation 39 Service manual 11 2 Troubleshooting For 9K and 12K Operation Timer Failure phenomenon lamp lamp Indoor fan speed has been out of control for over 1 minute Indoor room temp or evaporator sensor is open circuit or short circuit llumine simultaneous alternately X Extinguish Flash at 5Hz For 18K and 24K Operati Failure phenomenon on lamp Over current protection of the compressor occurs 4 times Indoor room temp sensor is open circuit or short circuit sss without for cooling only models X EEROM error EN Indoor unit communication error 40 Service manual 11 3 Diagnostic chart After energizing no indicator is lighted and the air conditioner can t be operated For the 9K and 12K models 41 Service manual Be sure all the wires including power wires and connection wires is OK No Yes Change good ones Check if AC 115V or 208 230V power supply outputs to outdoor PCB Yes Check if AC 115V or 208 230V exists at primary coil of NO transformer Yes Outdoor PCB is defective Check if AC 12V and AC 35V 4 596 exist at second coil of transformer in the outdoor PCB es NO Take off the secondary plug of tran
24. ge 8 Check the flare connections for gas leakage 9 Discharge the refrigerant 10 Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicate 0 3 to 0 5 Mpa 11 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position 12 Be sure to use a hexagonal wrench to operate the valve stems 13 Mount the valve stems nuts and the service port cap Be sure to use a torque wrench to tighten the service port cap to a torque 18N m Be sure to check the gas leakage 24 Service manual 8 7 Balance refrigerant of the 2 way 3 way valves Indoor unit ic ZAN Liquid side _ Outdoor unit M T Z as valve Procedure 1 Confirm that both the 2 way and 3 way valves are set to the open position 2 Connect the charge set to the 3 way valve s service port Leave the valve on the charge set closed Connect the charge hose with the push pin to the service port 3 Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1Mpa discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If this is the case it will not be necessary to apply a evacuation Discharge the refrigeration gradually if it is discharged too suddenly the refrigeration oil
25. ge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant if can be charged with a little at a time approximately 150g each while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the refrigerant to be discharged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5 Mounted the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage 27 Service manual 0 Electronic function 9 1 Electronic control working environment Input voltage 175 253 or 100 130V Input power frequency 60Hz Ambient temperature 7 C 43 C C amp H type 18 C 43 C Cooling only type Indoor fan normal working amp is less than 1A Outdoor fan normal working amp is less than 1 5A Four way valve normal working amp is less than 1A owing motor DC12V Compressor single phase power supply Its normal working amp is less than 15A 9 2 Proper symbols and their meaning T1 Indoor ambient temperature T2 Indoor evaporator temperature T3 Outdoor condenser temperature TS Setting
26. h clean water Do not use the remote of the batteries have leaked The chemical in batteries could cause burns or other health hazards Service manual 2 Function gt Indoor unit 1 Operation remote controller 2 Sensing by room temperature Room temperature sensor ON OFF by Pipe temperature sensor 3 Room temperature control Maintain the room temperature in accordance with the setting temperature 4 Starting temperature control Indoor fan is delayed for 5 sec at the starting 5 Time Delay Safety control Restarting is for approx 3 minutes 6 Indoor fan speed control High med low breeze 7 Operation indication Lamps LED Light up in the LED for each operation mode 8 Two direction air vane The unit will decide the louver direction according to operation mode 9 Sleep mode auto control The fan is turn to low speed cooling heating The unit will be turn off after seven hours 10 Independent dehumidification The function is usually used in rainy days in springtime or damp areas 11 Self diag function The function will be operate in any operation mode 12 Air flow Direction control The louver can be set at the desired position or swing up and down automatically 13 Auto mode The unit can be change by the room temperature 14 Anti cold function Prevent the cold wind at the beginning of unit start 15 Temp Compensation 16 Defrost mode 17 Auto restart function 18 Flexible wiring connection 19 Easy cle
27. isconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation Take care to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage CAUTION Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product To avoid vibration of water leakage not install the product where the noise or hot air from the outdoor unit could damage sO Service manual the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation gt Operational not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or los
28. lling the product Sharp edges could cause injury be especially careful of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an Authorized service center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal Injury Do not let the air conditioner run for a long time when the humidity is very high and a door or windows is left open Moisture may condense and wet or damage furniture Take care to ensure that power cable could not be pulled out or damaged during operation t Service manual There is risk of fire or electric shock not place anything on the power cable There is risk of fire or electric shock not plug or unplug the power supply plug during operation There is risk of fire or electric shock not touch operation the product with wet hands There is risk of fire or electric shock Do not place a heater or other appliance near the power cable There is risk of fire and electric shock not allow water to run into electric parts It may cause fire failure of the product or electric shock Do not store or use flammable gas or co
29. mbustible near the product There is risk of fire or failure of product Donotuse the product in a tightly closed space for a long time Oxygen deficiency could occur When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on Do not use the telephone or turn switches on or off There is risk of explosion or fire f strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock not open the inlet grill of the product during operation Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure When the product is soaked flooded or submerged contact an Authorized service center There is risk of fire or electric shock caution that water could not enter the product There is risk of fire electric shock or product damage Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock Turn the main power off when cleaning or maintaining the product There is risk of electric shock When the product is not be used for a long time d
30. mpressor TLT gt 4 55 4 way valve 11 P lt 2s Outdoor fan _ 24 Indoor fan nus 10s lt Remark when the evaporator pipe temperature sensor more than TE16 the indoor fan start to run 9 10 Auto mode 9 10 1 The air conditioner automatically selects one of the following operation modes cooling heating or fan only according to the temperature difference between room temperature TA and set temperature TS Heating fan only at cooling Fan only Cooling 1 2 TA TS 9 10 2 The indoor fan blows automatically in corresponding selected mode 9 10 3 The motion of indoor fan s blade should accord with the selected operation mode 9 10 4 One mode should be carried out for at least 15 minutes once selected If the compressor cannot start for 15 minutes reselect the operation mode according to the room temp and set temp or reselect when the set temp varies 9 11 Force cooling function 9 11 1 Select forced cooling function with the forced cooling button or the switch 9 11 2 The compressor is unconditionally turned on after 30 minutes cooling operation whose fan 33 Service manual mode is set as low the A C operates at the DRY mode with a set temp of 24 C 9 11 3 All protections of remote control cooling are available at forced cooling operation 9 11 4 Forced Auto function Select forced auto function with the forced auto button or the switch In forced auto status the A C o
31. or unit TO OUTDOOR UNIT OUTDOOR UNIT STEP MOT R INDOOR UNIT 5 ES aa ING DI AGRAM DOOR UNI T JXZ Gl CONTROLLER BOARD 489 ANION GENERATOR 7 ON SOME MODELS CN5 CN1 N 2 a 10 PI PE TEMPERATURE SENSOR DISPLAY BOARD ROOM TEMPERATURE SENSOR outdoor unit CN5 BLAK BLAC K B LACK FAN2 R BLUE BLUE NOS WHI TE 7 VALVE RED RED WHITE WHITE Se WIRING DIAGRAM BLA CK x OUTDOOR UNIT 22 DD d P D IDOR WIT amp WHITE gt m am PONER SUPPLY m Con Tr J REVERSING VALVE 1 5 012 113 Indoor unit Service manual 10 UT DOOR UNIT STEP MOTORI STP 5 Y 9 RING DI AGRAM INDOOR MOTOR W INDOOR UNI T JXZ Gl CN5 N N3 CONTROLLER BO RD CN1 N2 SWITCH BOARD N 6 CN 10 DISPLAY BOARD PIPE TEMPERATURE SENSOR ROM TE
32. perates at remote control mode with a set temp of 24 C Manual operation is controlled by touching buttons and divided into force cooling and forced auto mode It transfer between these two modes by pressing the buttons the cycling order of the button press is as below graph show to you Remote Forced Forced mode ME auto EM cooling 9 12 Sleep mode Economic mode 9 12 1 The sleep function is available at cooling heating or auto mode 9 12 2 Cooling The set temperature rise 1 C per hour Two hours later the set temperature will maintain as a constant and the fan speed is kept at low speed Room temperature 1 2 Time 9 12 3 Heating The set temperature decrease 1 C per hour Two hours later the set temperature will maintain as a constant and the air circulation is kept at low speed Anti cold function takes precedence over all 34 Service manual Room temperature 1 2 Time 9 12 4 Auto After an hour running under economic mode the set temp will rise 1 if it is under cooling mode the set temp will decrease 1 C if it is under heating mode the set temp will be changeless if it is under fan only mode the condition will be the same after the air conditioner running under economic mode after 2 hours and during the next time the set temp do not change The total time is 7 hours after 7 hours the unit stops 9 13 Auto restart function In case of a sudden power failure this function automatically sets th
33. s of property not block the inlet or outlet of air flow It may cause product failure Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on pr put anything on the product outdoor units There is risk of personal injury and failure of product Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury not drink the water drained from the product It is not sanitary could cause serious health issues Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury Replace the all batteries in the remote control with new ones of the same type Do not mix old and mew batteries or different types of batteries There is risk of fire or explosion not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode If the liquid from the batteries gets onto your skin or clothes wash it well wit
34. sformer and then check if AC 12V and AC 35V 45956 exist at secondary coil of transformer No Outdoor PCB is defective Transformer is defective Check if DC 35V exists between 2 and 3 on the indoor terminal and DC 12V between 3 and 4 Check if DC 35V exists at CN6 and 12V at CN3 No Indoor PCB is defective es Uncertain problem on indoor PCB change it and check again For 18K and 24K models 42 Service manual Be sure all the wires including power wires and connection wires is OK NO Yes Change good ones Yes Check if AC 208 230V exists at primary coil of outdoor and NO indoor transformer Outdoor or indoor PCB is defective Yes Check if AC 12V exist at second coil of outdoor and indoor transformer Yes No Take off the secondary plug of transformer and then check if AC Yes Outdoor or indoor PCB is 12V exist at secondary coil of outdoor and indoor transformer defective No Outdoor or indoor transformer is defective 43 Service manual 11 4 Resetting phenomenon often occurs during operation That is automatically entering to the status when power is on The reason is that the instantaneous voltage of main chip is less than 4 5V Check according to the following procedure Resetting phenomenon often occurs during operation Yes After changing indoor PCB check if the failure realease 1 Yes Indoor PCB is defective Aft
35. t heating mode Anti cold air at heating mode 9 4 Protection 9 4 1 3 minutes delay at restart for compressor 9 4 2 Sensor protection at open circuit and breaking disconnection 9 4 3 Fan Speed is out of control When Indoor Fan Speed is too high higher than High Fan 300RPM or too low lower than 400RPM the unit stops and LED displays failure information and can t returns to normal operation automatically 9 4 4 Cross Zero signal error warning If there is no Cross Zero signals in 4 minutes the unit stops and LED displays failure information and can t returns to normal operation automatically 9 4 5 The current protection of the compressor Current down 3sec Compressor turn off after 3 seconds later 5min Compressor turn off Current up after 5 minutes later fan The outdoor fan turn off heating The outdoor fan turn Indoor fan On low speed cooling compressor On outdoor fan On restore If compressor turns off for continuously 4 times due to current protection in 5 minutes from Compressor On the unit stops and LCD displays failure information and can t returns to normal operation automatically 29 Service manual 9 5 Fan only mode Fan speed is high mid low Auto 9 6 Cooling mode The 4 way valve is closed at cooling mode The action of the compressor and the outdoor fan T indoor temperature Compressor on outdoor fan on Room temp down Room temp up Compressor off outdoor
36. temperature through the remote controller TE1 Anti cold wind from Fan Off to Breeze temperature TE2 Anti cold wind from Breeze to Setting Fan Speed temperature Anti cold wind from Setting Fan Speed to Breeze temperature 4 Anti cold wind from Breeze to Fan Off temperature TE5 Evaporator low temperature protection entering temperature TE6 Evaporator low temperature protection restoring temperature Evaporator high temperature protection compressor off temperature TE8 Evaporator high temperature protection fan off temperature TE9 Evaporator high temperature protection restoring temperature TE10 Condenser high temperature protection compressor off temperature TE11 Condenser high temperature protection restoring temperature TE14 The indoor restoring temperature when the compressor is off on the heating mode TE16 The indoor evaporator temperature after the defrost action fan on temperature TC1 Outdoor condenser sensor temperature for the defrost condition 1 TC2 Condenser sensor temperature after defrost TC3 Outdoor condenser sensor temperature for the defrost condition 2 28 Service manual 9 3 Function Remote receiving Testing and forced running Position set for indoor unit wind vane LED displaying and alarm On or off Timer Protection for the compressor Current protection High temperature protection of indoor heat exchanger at heating mode Auto defrosting and heating recovery a

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