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KSWM009-C113

KSWM012-C113

KSWM018-C213

KSWM024-C213

KSWM009-H113

KSWM012-H113

KSWM018-H213

KSWM024-H213

Service Manual

Room air conditioner

Split Wal-Mounted Type

NOTE:

Before servicing the unit, please read this at first. 
Always contact with your service center if meet problem.

Summary of Contents for KSWM009-C113

Page 1: ...18 C213 KSWM024 C213 KSWM009 H113 KSWM012 H113 KSWM018 H213 KSWM024 H213 Service Manual Room air conditioner Split Wal Mounted Type NOTE Before servicing the unit please read this at first Always contact with your service center if meet problem ...

Page 2: ...8 8 Evacuation 27 8 9 Gas charging 28 9 Electronic function 30 9 1 Electronic control working environment 30 9 2 Proper symbols and their meaning 29 9 3 Function 30 9 4 Protection 30 9 5 Fan only mode 31 9 6 Cooling mode 31 9 7 Dehumidifying mode 32 9 8 Heating mode 32 9 9 Defrosting mode available for heating mode 33 9 10 Auto mode 34 9 11 Force cooling function 34 9 12 Sleep mode Economic mode 3...

Page 3: ...tent 2 11 7 Over current protection of the compressor occurs 4 times 46 11 8 EEROM error 46 11 9 Outdoor unit protects 47 11 10 Indoor unit communication error 47 12 Characteristic of temperature sensor 49 ...

Page 4: ... 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 Be caution when unpacking and installing the product Sharp edges could cause injury be especially careful of the case edges a...

Page 5: ... risk of property damage failure of product or electric shock Do 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 Be caution that water...

Page 6: ... 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 objec...

Page 7: ...peration 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 clean panel 20 Turbo for 9K and 12K This...

Page 8: ...Service manual 5 3 Dimension Indoor unit ...

Page 9: ...Service manual 6 outdoor unit Dimension Mode W H D L1 L2 9K 780 540 250 549 266 12K 760 590 285 530 290 18K 845 695 335 560 335 24K 895 860 330 590 333 ...

Page 10: ... 550 420 dB A 41 35 28 41 35 28 Model YDK23 6A YDK23 6A Brand DY DY Input W 77 77 Capacitor uF 6 F 250V 6 F 250V Speed r min 880 880 m3 h 1800 1800 dB A 53 53 g R410A 1050 R410A 1070 MPa 4 5 4 5 Liquid side Gas side mm 6 35 9 53 6 35 9 53 Max refrigerant pipe length m 10 10 Max difference in level m 5 5 17 30 17 30 18 45 7 45 m2 14 20 14 20 Model Power supply Cooling Heating Max current Starting c...

Page 11: ...0 550 dB A 45 41 38 45 41 38 Model YDK23 6A YDK23 6A Brand DY DY Input W 77 77 Capacitor uF 6 F 250V 6 F 250V Speed r min 880 880 m3 h 1850 1850 dB A 55 55 g R410A 1330 R410A 1350 MPa 4 5 4 5 Liquid side Gas side mm 6 35 12 7 6 35 12 7 Max refrigerant pipe length m 10 10 Max difference in level m 5 5 17 30 17 30 18 45 7 45 m2 18 26 18 26 Model Power supply Cooling Heating Max current Starting curr...

Page 12: ...m3 h 750 620 550 750 620 550 dB A 45 41 38 45 41 38 Model YDK36 6B YDK36 6B Brand Welling Welling Input W 85 85 Capacitor uF 2 5 F 450V 2 5 F 450V Speed r min 930 930 m3 h 1900 1900 dB A 55 55 g R410A 1330 R410A 1350 MPa 4 5 4 5 Liquid side Gas side mm 6 35 12 7 6 35 12 7 Max refrigerant pipe length m 10 10 Max difference in level m 5 5 17 30 17 30 18 45 7 45 m2 18 26 18 26 Operation temp Ambient ...

Page 13: ...0 830 m3 h 1050 920 830 1050 920 830 dB A 45 43 41 45 43 41 Model YDK53 6KB YDK53 6KB Brand Welling Welling Input W 172 172 Capacitor uF 3 0 F 450V 3 0 F 450V Speed r min 840 840 m3 h 2500 2500 dB A 58 58 g R410A 2000 R410A 2040 MPa 4 5 4 5 Liquid side Gas side mm 6 35 12 7 6 35 12 7 Max refrigerant pipe length m 15 15 Max difference in level m 8 8 17 30 17 30 18 45 7 45 m2 26 40 26 40 Operation t...

Page 14: ...1150 1020 m3 h 1150 1020 930 1150 1020 930 dB A 50 47 44 50 47 44 Model YDK100 6EB YDK100 6EB Brand Welling Welling Input W 140 140 Capacitor uF 4 F 450V 4 F 450V Speed r min 760 760 m3 h 2500 2500 dB A 59 59 g R410A 2400 R410A 2450 MPa 4 5 4 5 Liquid side Gas side mm 9 53 16 9 53 16 Max refrigerant pipe length m 20 20 Max difference in level m 10 10 17 30 17 30 18 45 7 45 m2 35 52 35 52 Model Pow...

Page 15: ...Service manual 12 5 Refrigerant cycle diagram Cooling only Heat pump mode ...

Page 16: ...lt 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 DB Note The chart is the result from the continuous operation under constant air temperature conditions However excludes the initial pull down stage ...

Page 17: ...ba c d e f g e h iBh e j i k g outdoor unit lnmpobq r sutwvyx z s 8 X X w x z r r X r X Xt r swtwv s 8 r swt r v X s t s n sw r X Xt X 8 r X Xt X 8 r swt s r X 8 8 sw X 8 8 sw r sut spr s X s r8 8 r r X Xt X 8 6 sX n n u J ª I µ n º 8 s r À Áp B 6 à ÄBÅ ÆpÇ X X 8 s r6À 8 ÁpÂ È É ÊpË ÌÎÍXÏ È È Ð Ñ Ò ÓÕÔ ÖC IÓKÓLØ ÙCÖ Ô Ò Ú Û Ü Ý Þ Þ ß Á  Á  r sCt à à à á â ã à ...

Page 18: ... L X Y Z C Y G NMO DM D O I T G_ I T L FD NMY K D V O CMUMVMF N O T T U N CMUMVMF N O T T U N CED F D C ZY U N U YEP UMU N I D K U YEP UMU N I D KaCbD F D C Z Y U N c dMe D Y OEN V Z K D C NEN O K YfZ K P EC Y U N CMUMVMF N O T T U N N Ob D I T O N O O NET Z KEg D 1 O hji1k l m n ljm o p1q r s tjubv l wyx z m z1 zj lb 1 b e Z Y O M D C g e bZ YMO N ObP E D C M O e ZMY O E g 1 E E 1 b 0 jª1 E DMC U...

Page 19: ...ôó õ ö ø ùÙú û ø ü ò ê ì í é ê ê ë ì è çí ý þ ÿ ý þ ÍjÎ õ ó ßú û ø1ü ò ý1þ outdoor unit 0 1 2 3 4 5 6 7 8 8 9 A 9 8 9 B1 1 8 8 9 B1 1 8 A C 8 8 D 8 8 8 D 8 8 E 8 F G H 9 A D I D 8 8 9 B1 1 8 J K LNMBO PNQ R P QTS UNV WYX Z B _ T ba Q cBdNe AcCf Phg eBi j kTl mon H pq r s t u H pv K w xvy z T T r Ks r D H p t u BN _ J A t u t u Note This wire is BLUE in the outdoor unit using 208 230V power supply ...

Page 20: ...ý þ ï í î ï_ð ò î ô õ í î ï õ ÿ í ð ö î î ò ü ð ò ü õ ï î ö ô î þ í ý þ ï ö ü ü ý ö í ý þ ï ö ü ü ý ö í î ï î í ý ö ý ø ý ý ö ò î ô ý ø ý ý ö ò î ôhí î ï î í ý ö î ö þ ô î í ö ö ô ô ø í ý ö í ý þ ï ö ü ü ý ö ö î ò ü ö ö ü ô î b 0 132 0 4 5 2 6 7 8 9 î í A B C D ö ø E î í A E D E B F G H I JLK MEF F N O P QSR T U Q Q VXW T3R P Y Z _ a b E î í A c ý ö d E egf h e fEi j 4 0 j 2 k lnmEo C D p p p EB B...

Page 21: ...13 KSWM018 C213 Indoor unit Outdoor unit D E D E E C D g g g g D g E E g D E g ª g g µ µg µ µ C µ µ ºD ºE g g g À Á  à Á ÂÅÄ ÁCÂÇÆ ÈÊÉSËÍÌ Î ÏÐÑ Á ÂÅÒ Á ÂÇÓ Ô Õ Ö Ø Ù Ú Û Ü Ý Þ Û ß à á â ã  ä âÇâ åLæ ÂÅã áèç â é ê åLë æ çCçCì í ...

Page 22: ...ðgï ï ú ù ó î ù ø ù î ô õ ï ù õ ñ ôó ùEþ ô ð ð þ ñ õ ñ ô ó ù þ ñ ý ñ ô ó ý ù þ ý ñ î ï ó ó ñgî õ ï ø ô ø ñ õ ñ ø ñ ù õ ò ñ ñ ó ï ùEî îgï ó õ ù î õ ï î ò ñ ó õ ô ó ð ò î õ ï õ ù ó ú ï ñ ø î ï î ñ õ ü õ ö üEõgû î õ õ ù ó Eö î ùDø ö ú ù ó û ý ù þ ý ñ ö 0 132 4 5 0 1 2 4 5 0 132 4 5 0 132 4 5 0 162 4 5 0 1 2 4 5 0 1 2 4 5 7 8 9 7 8 9 î ùDø û BADC EFA GHE I J K ILJ M ILJON PFQSR T U VLWOX YZ I J I J I ...

Page 23: ...ccording to the following specifications sheet Amp 10 15 20 mm2 1 0 1 5 2 5 Grade 8 3 Pipe length and the elevation Standard length Max Max Additional m Elevation Elevation refrigerant Btu h GAS LIQUID B m A m g m 3 8 9 52 1 4 6 35 5 5 10 30 1 2 12 7 1 4 6 35 5 5 10 30 1 2 12 7 1 4 6 35 5 8 15 30 5 8 15 88 1 4 6 35 5 10 20 30 5 8 15 88 3 8 9 52 5 10 20 65 5 8 15 88 3 8 9 52 5 15 30 65 3 4 19 05 3 ...

Page 24: ... 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 fr...

Page 25: ... 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...

Page 26: ... 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 Set the 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...

Page 27: ...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 leakage 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 a...

Page 28: ...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 ...

Page 29: ...e 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 ...

Page 30: ...he specified amount of refrigerant if can be charged with a little at a time approximately 150g each time0 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...

Page 31: ... temperature TE3 Anti cold wind from Setting Fan Speed to Breeze temperature TE4 Anti cold wind from Breeze to Fan Off temperature TE5 Evaporator low temperature protection entering temperature TE6 Evaporator low temperature protection restoring temperature TE7 Evaporator high temperature protection compressor off temperature TE8 Evaporator high temperature protection fan off temperature TE9 Evapo...

Page 32: ...ction 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 ...

Page 33: ...ng mode The 4 way valve is closed at cooling mode The action of the compressor and the outdoor fan T indoor temperature Auto fan at cooling mode Anti freezing control to indoor evaporator at cooling mode T evaporator temp Condenser high temperature protection only for heat pump ...

Page 34: ...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 This parameter can be changed from ...

Page 35: ... temp 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 2 1 T3 lower than 0 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 p...

Page 36: ...ding to the temperature difference between room temperature TA and set temperature 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 acco...

Page 37: ...nto 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 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 per hour Two hours later the set temperature will maintain as a constant and the fan speed...

Page 38: ...start function In case of a sudden power failure this function automatically sets the 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 recei...

Page 39: ...EDH 1250 1270 1270 CSPEEDM 1000 1100 1100 CSPEEDL 800 1000 1000 CSPEEDS 700 900 900 TE1 31 31 31 TE2 34 33 33 TE3 30 27 27 TE4 22 20 20 TE5 4 5 5 TE6 10 12 12 TE7 60 62 62 TE8 54 54 54 TE9 48 48 48 ANGLRANGE 203 143 143 ANGLOFF 100 0 0 ANGLCOOL 40 50 50 ANGLHEAT 197 105 105 ANGLCSL 0 50 50 ANGLCSH 40 75 75 ANGLHSL 157 80 80 ANGLHSH 197 105 105 ANGLDL 40 50 50 ANGLDH 190 105 105 ANGLFL 197 105 105 ...

Page 40: ...ngleCoolL 55 AngleCoolH AngleDefL AngleDefH AngleMotorOn 50 AngleStep 26 AngleLouver AngleTime 10ms L IResume 12 L I5min 15 I3sec 16 IOFan 13 H Idefrost TE1 25 TE2 32 TE3 30 TE4 20 TE5 2 TE6 12 TE7 63 TE8 54 TE9 50 TE10 65 TE11 55 TE12 49 TE13 51 TE14 32 TE15 TE16 34 TC1 0 TC2 20 TC3 3 DefrostTimeL 10min L H DefrostTimeH ...

Page 41: ...r 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 TIMER OPERATION PRE DEF I nfrared sign al recept or Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation Timer indicator Th...

Page 42: ...inates then TIMER is set ON PRE DEF indicator Just for cooling heating mode and for cooling only type it s FAN ONLY The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating 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 ...

Page 43: ...re sensor is open circuit or short circuit illumine alternately Extinguish Flash at 5Hz For 18K and 24K Failure phenomenon Operati on lamp Ti mer la mp Defrosti ng lamp Auto lamp Over current protection of the compressor occurs 4 times Indoor room temp sensor is open circuit or short circuit X X X Temp sensor on indoor evaporator is open circuit or short circuit X X X Temp sensor on outdoor conden...

Page 44: ...Service manual 41 11 3 Diagnostic chart After energizing no indicator is lighted and the air conditioner can t be operated For the 9K and 12K models ...

Page 45: ...nsformer in the outdoor PCB Outdoor PCB is defective Yes Yes No Take off the secondary plug of transformer and then check if AC 12V and AC 35V 5 exist at secondary coil of transformer No Transformer is defective No Check if DC 35V exists between 2 and 3 on the indoor terminal and DC 12V between 3 and 4 No Indoor PCB is defective Check if DC 35V exists at CN6 and 12V at CN3 Yes No Yes No Change goo...

Page 46: ...of outdoor and indoor transformer Check if AC 12V exist at second coil of outdoor and indoor transformer Outdoor or indoor PCB is defective Yes Yes No Take off the secondary plug of transformer and then check if AC 12V exist at secondary coil of outdoor and indoor transformer No Outdoor or indoor transformer is defective Yes Yes Outdoor or indoor PCB is defective No Yes No Change good ones ...

Page 47: ...ically 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 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 ...

Page 48: ...ncluding the indoor room indoor evaporator and outdoor condenser temperature sensor 11 7 Over current protection of the compressor occurs 4 times 11 8 EEROM error EEROM error indoor PCB is defective Over current protection of compressor occurs 4 times ...

Page 49: ...heck if the error is still exit Connect the signal wire well or change the signal wire if it s the problem of the wires No Yes Indoor PCB failure No Outdoor PCB failure change outdoor PCB Yes Check if the power supply is good Change outdoor PCB and check if the error is still exit Power supply failure No Yes Outdoor PCB failure No Compressor failure Yes ...

Page 50: ...9 25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2 5397 5 26 8778 32 7 2946 59 2 4468 6 25 4954 33 6 9814 60 2 3577 7 24 1932 34 6 6835 61 2 2725 8 22 5662 35 6 4002 62 2 1907 9 21 8094 36 6 1306 63 2 1124 10 20 7184 37 5 8736 64 2 0373 11 19 6891 38 5 6296 6...

Page 51: ...Tel 305 594 4972 Fax 305 675 2212 www klimaire com sales klimaire com2190 2190 N W 89 Place Doral FL 33172 USA ...

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