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Samsung Electronics

3-13

Parts

Procedure

Remark

common work

6) Loosen 7 screws to disassemble the cabi
right and detach it.

fan&motor

1) loosen 1 screw as indication and detached
the fan.

2) loosen 4 pcs motor screws and disconnect
the wire betwwen assy control out and motor.

3) loosen 2 pcs bracket-motor screw and

detach it.

Содержание AC026MNADKH/EU

Страница 1: ...Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram 6 Wiring Diagram 7 Reference Sheet AC026MNADKH AC035MNADKH AC052MNADKH AC071MNADKH INDOOR UNIT OUTDOOR UNIT Model AC026MNADKH EU AC035MNADKH EU AC052MNADKH EU AC071MNADKH EU AC026MXADKH EU AC035MXADKH EU AC052MXADKH EU AC071MXADKH EU AC026MXADKH AC035MXADKH AC071MXADKH AC052MXADKH ...

Страница 2: ...eat exchanger temperature sensor open short 4 14 4 3 3 Indoor FAN error 4 15 4 3 4 Communication error after finishing Tracking 4 16 4 3 5 Indoor unit float sensor error 4 17 4 3 6 EEPROM circuit failure 4 18 4 3 7 Outdoor unit is not powered on 4 19 4 4 Troubleshooting by symptoms 4 21 4 4 1 Communication error 4 21 4 4 2 Outdoor temperature sensor error 4 22 4 4 3 Outdoor Coil temperature sensor...

Страница 3: ... limit error 4 38 4 4 16 EEPROM error OTP error 4 39 4 4 17 AC zero cross signal error 4 40 4 4 18 Operation condition secession error 4 41 4 4 19 Capacity miss match error 4 42 4 4 20 Gas leak error 4 43 15 PCB Diagram 5 1 5 1 Indoor Unit 5 1 5 2 Outdoor Unit 5 4 16 Wiring Diagram 6 1 6 1 Indoor Unit 6 1 6 2 Outdoor Unit 6 2 7 Reference Sheet 7 1 7 1 Index for Model Name 7 1 7 2 Refrigerating Cyc...

Страница 4: ...aused by tracking or short circuit Fasten the valve caps of service valves and charging valves of outdoor unit as much as possible using adjustable wrenches Check the status of the components assembly after repair service The status must be the same as before the repair service 1 2 Precautions related to static electricity and PL The PCB power supply block is susceptible to static electricity Ther...

Страница 5: ...k Instruct end users to separate the batteries from the remote controllers and store them separately when the product is not used for long time Otherwise leakage from the dry cell may cause problems with the remote controller 1 4 Other precautions The pipes should have no leaks during installation and the compressor must be stopped before removing connecting pipes for pump down work Operating the ...

Страница 6: ...invertertechnology itmakesaroomcoolwithhighlyenergysavingandarisestheefficiencyofairconditioner Long Ambient Operation In Low Temperature Itcanarisethereliabilityandthecapacityoftheairconditioner especiallyoperatedinlowtemperature Eco friendly Product Lead Free ROHS WEEE Easy installation of ultra lightweight indoor unit 2 Product Specifications 2 1 The Feature of Product ...

Страница 7: ... Heating STD W 1 000 1 600 Operation current Cooling STD A 4 1 5 6 Heating STD A 5 7 1 Noise Cooling Heating Indoor unit In case of strongest air blow dBA 43 43 43 43 Outdoor unit In case of strongest air blow dBA 51 51 53 53 Refrigerant R410A g 1 050 1 050 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 9 52 9 52 Additional Refrigerant R410A g m Chargeless Chargeless Standard m 5 5 Extension length To...

Страница 8: ...ing STD W 2 200 2 520 Heating STD W 1 900 2 550 Operation current Cooling STD A 9 7 11 2 Heating STD A 8 4 11 3 Noise Cooling Heating Indoor unit In case of strongest air blow dBA 48 48 51 51 Outdoor unit In case of strongest air blow dBA 58 58 60 60 Refrigerant R410A g 1 300 1 500 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 12 7 15 88 Additional Refrigerant R410A g m 10 20 Standard m 5 5 Extension...

Страница 9: ...te Control 4301 000121 2 USER MANUAL INSTALLATION MANUAL DB68 06495A DB68 06496A 1 1 Remote Control Holder DB61 06087A 1 M4 x 16 Tapped Screws 6002 000234 2 Cap Screws DB67 01404B 3 CARD WARRNATY DB68 02596B 1 Drain Plug DB67 20011A 1 Essential Offer Outdoor Unit Rubber Leg DB67 01533A 4 INSTALLATION MANUAL DB68 06488A 1 2 3 Accessories ...

Страница 10: ...Samsung Electronics 3 1 Item Remarks SCREW DRIVER Adjustable Wrench 8mm 10mm 13mm M6 M8 Hex Wrench Necessary Tools 3 Disassembly and Reassembly ...

Страница 11: ...DKH No Parts Procedure Remark 1 PANEL FRONT 1 Stopthedrivingofairconditionerandshutoff mainpowersupply 2 DetachFILTERPREfromthePANELFRONT 3 CoverPanelisassembledonbottomofindoor unitasshowninthefigure RemovetheCapScrewasshownontheright sideandthenremovethescrewandseparate theCoverPanel ...

Страница 12: ...fixedtobodybyHookincenterareaand sidearea 5 SeparatethehookafterpushingbothendofCover Panelasshowninthefigure Watchoutforthedamageofthehook 6 Raisefrontpart upwardobliquelyasshowninthe figureandthenremovethehooks Center area Side area Side area HOOK 026 035 052 071 ...

Страница 13: ... Parts Procedure Remark Caution AssemblyofCoverPanelafterserviceend Reassemblyisinthereverseorderofthe removal Pipinganddrainhosemustbecarefulnotto damageandProgressmustbedonewithboth hands Hook Side Hook Center Screw Cap Screw ...

Страница 14: ...NEL FRONTfromthemain frame unfasten2screwsatthebottom use ScrewDriver 8 TodetachtheCOVER PANELfromthemain frame loosen4HOOKStructures Whenseparatethehook Usethe screwDriver ScrewDriverInsertthehookandthenpullthe hookasshownontherightside Watchoutforthedamageofthehook ...

Страница 15: ...3 6 Samsung Electronics No Parts Procedure Remark 9 RemovethePanelFrame fromtheMain Frameasshownontherightside ...

Страница 16: ...parate the connector pull pressing the locking button 2 Lossen Stepping Motor EEV Display Sensor SPI Fuse Wire Caution When you separate the connector pull pressing the locking button 3 Lossen Motor Terminal Wire Caution When you separate the connector pull pressing the locking button 4 Loosen Earth Wire ...

Страница 17: ...mark 5 EVAPORATOR 9 TakeofftheCASE CONTROLfrom themainframeafterloosentheremaining connector Caution Whenyouseparatetheconnector pullpressingthelockingbutton 3 TRAYDRAIN 1 TodetachTRAY DRAINfromthemainframe pullthebottomoftheTRAY DRAINtowards you ...

Страница 18: ...arts Procedure Remark 4 Evaporator 1 DetachtheHOLDERPIPE 2 Unfastenthescrewattheleftside use ScrewDriver 3 Unfastenthescrewattherightside use ScrewDriver 4 TodetachEvaporatorfromthemainframe pullthebottomoftheEvaporatortowards you ...

Страница 19: ... 10 Samsung Electronics No Parts Procedure Remark 5 FANMOTOR CROSSFAN 1 Unfastenthescrew use ScrewDriver 2 DetachtheFANMotorcase 3 Unfastenthescrewalittle use ScrewDriver 4 PulltheCROSS FANtotheleftside ...

Страница 20: ... work You must turn off the Power before disassembly 1 loosen 1 pcs screw of cover control and detach it 2 loosen 5 pcs screws on both right and left cabniet side edges and to detach the cover top 3 Loosen 7 screwsfixed to disassemble cabi front and detach it CAUTION 3 2 Outdoor unit ...

Страница 21: ...3 12 Samsung Electronics No Parts Procedure Remark common work 4 loosen 2 screws to disassemble steel bar 5 Loosen 2 screws to disassemble the cabi left and detach it ...

Страница 22: ...k 6 Loosen 7 screws to disassemble the cabi right and detach it 2 fan motor 1 loosen 1 screw as indication and detached the fan 2 loosen 4 pcs motor screws and disconnect the wire betwwen assy control out and motor 3 loosen 2 pcs bracket motor screw and detach it ...

Страница 23: ... screw from cover control 2 detach several connections from assy con trol out take out assy control out 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the pipes in both inlet and outlet with welding torch 4 detach the heat exchanger ...

Страница 24: ...sor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom CAUTION When removing the compressor Heat Exchanger and Pipe purge the Coolant inside the Compressor complete ly and remove the pipe with a welding flame ...

Страница 25: ...rocedure Remark 1 common work You must turn off the Power before disassembly 1 Loosen 1 pcs screw of cover control 2 Loosen 8 pcs screw of the cabi top cover 3 Loosen 4 pcs screw of the bar steel 4 Loosen 10 pcs screw of the cabi side front CAUTION ...

Страница 26: ...ung Electronics 3 17 No Parts Procedure Remark 1 common work 2 Fan motor 1 Loosen the fan screw according the indication and detach the fab propeller 2 Disconnect the wire between assy control out and motor ...

Страница 27: ...ts Procedure Remark 2 3 Loosen 4 pcs motor screw 4 Loosen 2 pcs screw of bracket motor 3 Assy control out 1 Loosen the screws that connected partition and case control then get the control out 2 Loosen the screw of the cover termimal ...

Страница 28: ...Samsung Electronics 3 19 No Parts Procedure Remark 3 3 Loosen 2 screws disassemble the Coil Harmonic 4 Loosen the screw of the cover terminal ...

Страница 29: ... on both side 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the heat exchanger CAUTION When removing the compressor Heat Exchanger and Pipe purge the Coolant inside the Compressor complete ly and remove the pipe with a welding flame 5 Compressor 1 Loosen the 3 bolts at the bottom of com pressor ...

Страница 30: ...3 21 AC071MXADKH No Parts Procedure Remark 1 common work 1 loosen 1 pcs screw of cover control 2 loosen 8 pcs screw of the cabi top cover 3 loosen 12 pcs screw of the cabi front 4 loosen 7 pcs screw of the cabi side right ...

Страница 31: ...Parts Procedure Remark 5 loosen 3pcs screw of the cabi side left 2 Fan Motor 1 loosen the fan screw according the indication and detach the fab propeller 2 Cut the cable tie 3 disconnect the wire betwwen assy control out and motor ...

Страница 32: ...s Procedure Remark 4 loosen 4 pcs motor screw 5 loosen 4 pcs screw of bracket motor 3 assy control out 1 lossen the screw of the cover termimal 2 lossen the screws that connected partition and case control then pull up the control out ...

Страница 33: ...rk 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the pipes in both inlet and outlet with welding torch 4 detach the heat exchanger 5 Compressor 1 loosen the 3 bolts at the bottom of compres sor ...

Страница 34: ...mp buttons simultaneously insert the batteries into the remote control c Make sure that you are entered to the mode for setting the options 2 Set the option values CAUTION The total number of available options are 24 SEG1 to SEG24 Because SEG1 SEG7 SEG13 and SEG19 are the page options used by the previous remote control models the modes to set values for these options are skipped automatically Set...

Страница 35: ...G4 value by pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display SEG4 b Set the SEG5 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG5 4 Press the Mode button Dry and On appear on the rem...

Страница 36: ... 8 Press the Mode button Heat and On appear on the remote control display 9 Set the SEG11 and SEG12 values a Set the SEG11 value by pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display SEG11 b Set the SEG12 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the...

Страница 37: ...e by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG17 3 Press the Mode button Dry and Off appear on the remote control display 4 Set the SEG18 and SEG20 values a Set the SEG18 value by pressing the Low Fan button repeatedly until the value you want t...

Страница 38: ...l display SEG23 b Set the SEG24 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG24 3 Check whether the option values that you have set are correct by pressing the Mode button repeatedly SEG21 SEG22 SEG23 SEG24 SEG24 SEG24 SEG2 SEG3 SEG4 SEG5 S...

Страница 39: ...ntrol according to your air conditioning system plan by referring to the following table and by following the steps in Common steps for setting the addresses and options on page The indoor unit addresses main and RMC addresses are set to 0A0000 100000 200000 300000 by default If indoor units and outdoor units match 1 1 you don t need to set the main address because it is automatically set by the o...

Страница 40: ...ude a power supply F1 1 L 2 M F2 V1 V2 F3 F4 Indoor Unit 2 Set the installation options of indoor units by referring to the following table and by following the steps in Common steps for setting the addresses and options on page The installation options of indoor units are set to 020000 100000 200000 300000 by default The SEG20 option Individual control with remote control allows you to control mu...

Страница 41: ... Indication Details Indication Details 2 0 Disuse Slave disable Level control 0 Thermo on 0 Disuse 0 Use of buzzer 2 1000 hours 1 On Off control 2 Off control 3 Window on off control 4 Disuse Master enable Level control 1 Operation on 1 Use 1 Disuse of buzzer 6 2000 hours 5 On Off control 6 Off control 7 Window on off control Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Function Page Individual cont...

Страница 42: ...rnal control Level control Indoor 1 Indoor 2 Indoor 3 Indoor 4 Default Not set 0 Slave All Disuse Use 4 Not set 0 Not set 0 Not set 0 Master Indoor 1 Slave Indoor 2 3 4 Use Indoor 3 Disuse Not set 0 Not set 0 1 3 Not set 0 Slave All Use Indoor 4 Use Not set 0 Not set 0 Not set 0 5 7 Master Indoor 4 Slave Indoor 1 2 3 4 1 4 Changing the addresses and options individually When you want to change the...

Страница 43: ... Low pressure s w 2nd detection 5 Abnomally high temperature on discharged air on outdoor unit 2nd detection 6 Indoor operation stop due to unconfirmed error on outdoor unit 7 Error due to reverse phase detection 8 Comp stop due to freeze detection 6th detection 9 High pressure sensor is detached 10 Low pressure sensor is detached 11 Outdoor unit copression ration error 12 Outdoor sump down_1 prev...

Страница 44: ...or unit and outdoor unit When there is no response from indoor units after tracking is completed Check electrical connection and setting between indoor unit and outdoor unit 10 E203 Communication error between the outdoor unit and main micom For PF 4 to 6 controllers error will be determined from the time when the compressor is turned on Check electrical connection and setting between indoor unit ...

Страница 45: ...EPROM Read Write error Option Check Outdoor EEPROM Data 33 E471 Outdoor unit EEPROM Read Write error H W Check Outdoor EEPROM PBA 34 E472 AC Line Zero Cross Signal out 35 E473 Comp Lock error 36 E474 Error on IPM Heat Sink sensor of inverter 1 Short or Open Check Outdoor Inverter PBA 37 E475 Error on inverter fan 2 FAN2 ERROR 38 E484 PFC Overload Over current Error Check Outdoor Inverter PBA 39 E4...

Страница 46: ...m the connector in PCB Restart the system after replacing the PCB Restart the system after connecting to the PCB connector Indoor temperature sensor failure replace Remove the indoor temperature sensor connector from the PCB and measure the resistance between two terminals 4 3 Troubleshooting by symptoms 4 3 1 Indoor temperature sensor open short Current temperature C Resistance kΩ 40 5 800 35 6 9...

Страница 47: ... exchanger temperature sensor replace Remove the indoor heat exchanger temperature sensor connector from the PCB and measure the resistance between two terminals Indoor unit display Symptom Short or open circuit of indoor heat exchanger temperature sensor Failure Short or open circuit in the corresponding sensor 4 3 2 Indoor heat exchanger temperature sensor open short Current temperature C Resist...

Страница 48: ... motor connector is disconnected check the motor fan assembly status 4 3 3 Indoor FAN error Yes No Yes Is there foreign substance stuck in the motor fan Yes Is the motor connector disconnected from the PCB Replace the PCB and restart the unit Connect the connector to PCB and restart the unit Remove the foreign substance and restart the unit ...

Страница 49: ...eform between the lines square wave with amplitude over 0 7V as shown in the following picture 0 7V 0 7V Good Bad Check the communication cable and replace the indoor unit PCB Remove the communication cable connecting the outdoor unit to indoor unit and measure the signal on LINE 2 of the outdoor unit with a scope Reconnect the cable connecting the outdoor unit to the indoor unit and restart the u...

Страница 50: ...water level in the drain pan high Does drain pump operate when compressor operates Same error occurs again No Drain pump PCB Is the terminal voltage around AC 220V Is the water level in drain pan decreasing Reset the indoor unit power and check the operation of the drain pump it vibrates when operating Normal operation Replace the indoor unit PCB Reassemble the floating sensor connector and reset ...

Страница 51: ...Symptom EEPROM circuit failure Failure EEPROM component failure EEPROM circuit parts missing damaged soldering failure 4 3 6 EEPROM circuit failure No Yes Are the EEPROM circuit components in good conditions missing components damage soldering failure Replace the PCB if the restart fails ...

Страница 52: ...oller connected correctly 2 Check procedure Yes Turn off the main power switch circuit break of power outlet and turn on again after 30 seconds Check the input power No Is the outdoor unit power supply L N 220V Yes Check the connection of the terminal block No Is the outdoor unit power voltage L N 220V Yes Replace the inverter PBA No Is the voltage between the terminal 2 and 4 of the bridge diode ...

Страница 53: ...4 20 Samsung Electronics Yes Outdoor unit is not powered on Initial diagnosis cont Yes Connect the reactor No Is the reactor connector connected correctly Replace the PBA Cont ...

Страница 54: ...rocedure Yes Restart after power off Terminate the service Exchange the indoor unit PBA No Is the communication error occurred again Yes Correct the wrong cable No Is the connection of power cable and communication cable normal Yes Exchange the PBA of no power unit No Is the power is normal check the LED Lamp Yes Yes Terminate the service No Is the communication error occurred again Exchange the o...

Страница 55: ...ect the sensor connector Micom error or connector check No Is the sensor resistance value 1 2 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no power unit Yes Below 0 5V or Over 4 5V Yes Connect the...

Страница 56: ...ture of 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no Ourdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 1 2 in the connector Exchange the Outdoor PBA Yes ...

Страница 57: ...procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 5 6 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V ...

Страница 58: ...emperature of 25 25 C Is the sensor connector CN501 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Страница 59: ...oting procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 3 4 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 242kohm 30 C 166ohm 35 C 138ohm 40 C 115kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Y...

Страница 60: ...m error or connector check No Is the sensor resistance value 3 4 CN501 10kohm 3 at the room temperature of 25 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Страница 61: ...e the Outdoor PBA Download the EEPROM data No Is the discharge over temperature sensor error appeared again Terminate the service No No Terminate the service Is the discharge over temperature sensor error appeared again Is the discharge over temperature sensor error appeared again The condition is too poor for air conditioner to operate Wait until discharge temperature is decreased Restart after p...

Страница 62: ...d Separate the Fan motor wire from CN901 on Outdoor PBA PBA problem or Motor problem Change the PBA first and check the operation No Yes Does the fan rotate Terminate the service Exchange the Fan motor No No No Follow the check procedure of outdoor unit power supply error check Exchange the Outdoor PBA Is the fan error appeared again Is there short among each pin 1 6 Is the voltage of CN901 3 5 an...

Страница 63: ...pressor normal 2 Troubleshooting procedure Terminate the service Download the EEPROM data No Is the restart error occurred again Is the connection of compressor wire is normal Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart after...

Страница 64: ...tance of compressor normal 2 Troubleshooting procedure Terminate the service No Is the restart error occurred again Is the connection of compressor wire is normal PBA and Compressor Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart...

Страница 65: ... error occurred Is the connection of compressor wire is normal No No Yes No No No No No Yes Exchange the Outdoor PBA Correct the sensor position or exchange the sensor Is the O C error occurred again Terminate the service Restart after returning to the normal load Terminate the service Connect the comp wire normally Terminate the service Is the restart error occurred again Is the condition of indo...

Страница 66: ...04 R005 R006 R007 value is normal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the DC_link voltage CE101 or CE001 is normal in operation mode Normal range 280Vdc 320Vdc Check the power input No No No No Exchange the Outdoor PBA Exchange the Outdoor PBA IstheDC_linksensingvoltage R104orR004 isnormalin operationmode Normalrange 0...

Страница 67: ...ormal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the the input voltage is nomal Normal range 180Vac 270Vac Is the reactor insulation damaged Check the input power in the powercord No No No No Check the input power Exchange the Outdoor PBA Exchange the Outdoor PBA Is theDC_linkvoltage CE101orCE001 isnormalinoperation mode Norm...

Страница 68: ...error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restart after returning to the normal load No Yes Is the condition of indoor outdoor temperature normal load Is the I_trip error occurred again Terminate the service No No No No Correct the sensor position or exchange the sensor Correct the cable connection Isthepositionoftemperaturesensorandthesensingvalue norma...

Страница 69: ...the IPM Shunt PF2 R451 R452 R453 PF23 R413 R414 R415 resistance value correct Check the resistor is opened 3 Is there no short or open around IC451 PF2 or IC451 IC452 PF3 2 Troubleshooting procedure Exchange the Outdoor PBA No Is the PFC shunt and IPM shunt resistance value correct No Terminate the service Isthecurrentsensorerrorappearedagain Exchange the Outdoor PBA Restart after power off Yes Ye...

Страница 70: ... Is the gap PBA heatsink 3 Is the fan operation normal 4 Is the cover assembly in control box normal 2 Troubleshooting procedure Fastening the screw No Are there screws in PBA heatsink 4 screws No Check the fan connection Change the Fan motor Is the fan operation normal Exchange the Outdoor PBA Restart after power off Yes Yes Yes ...

Страница 71: ...rminate the service Exchange the Outdoor PBA No No Yes IIs the O C error occurred Is the O C error occurred again Terminate the service No No No No No No Connect the comp wire normally Terminate the service Correct the sensor position or exchange the sensor Restart after returning to the normal load Is the connection of compressor wire is normal Is the O C error occurred again Is the condition of ...

Страница 72: ...ere a short around IC202 PF2 or IC701 PF3 3 Did you download or insert EEPROM IC after changing outdoor PBA 2 Troubleshooting procedure Terminate the service No Restart after power off Is the error appeared again Exchange the Outdoor PBA power off and download EEPROM data or Insert the service EEPROM IC Yes ...

Страница 73: ...ist 1 Check the power condition at customer s house Is there any power noise 2 Have been there power failure 2 Troubleshooting procedure Terminate the service No Is the AC line zero cross signal error appeared again Exchange the Outdoor PBA Restart after power off Yes ...

Страница 74: ...2 Troubleshooting procedure Terminate the service No Is the operation condition secession error appeared again Heating mode Is the outdoor temperature over 40 C or under 30 C Cooling mode Is the outdoor temperature under C Thetemperatureconditionistoopoortooperate Wait until temperature is changed Restart after power off Yes Yes ...

Страница 75: ...rocedure Exchange the one of them according to the exact model spec Terminate the service Terminate the service No No No Is the capacity miss match error appeared again Is the capacity miss match error appeared again Is the rated Btu between indoor unit and outdoor unit Download the EEPROM data Exchange the Outdoor PBA Exchange the Indoor PBA Reset the option code again at indoor unit Yes Yes Yes ...

Страница 76: ...heck the pipe crack Fill up the refrigerant No No Is the position of indoor eva_in sensor normal No No No Terminate the service Change the EEV valve Connect the EEV valve Is the gas leak error appeared again Is the EEV valve connection normal Is the EEV valve is operation Check the sound of EEV valve after power on Is the pressure of refrigerant normal Exchange the Indoor PBA Exchange the Outdoor ...

Страница 77: ...Samsung Electronics 5 1 5 PCB Diagram 5 1 Indoor Unit MAIN PCB AC026MNADKH AC035MNADKH AC052MNADKH AC071MNADKH 4 5 6 7 8 10 8 11 12 13 1 2 3 ...

Страница 78: ...TURE SENSOR SIGNAL 6 GND 1 3 LED SIGNAL 4 REMOCON SIGNAL 5 GND 6 DC 5V 7 8 REMOCON SIGNAL 9 11 NOT USED 1 GND 2 NOT USED 3 DC 5V 4 7 EEPROM SIGNAL 1 8 DOWNLOAD SIGNAL 9 GND 10 11 DC 5V 12 16 DOWNLOAD SIGNAL 17 GND 18 20 DOWNLOAD SIGNAL 1 2 COMMUNICATION SIGNAL 3 4 SUB PBA SIGNAL 5 EXTERNAL CONTROL SIGNAL 6 COMP CHECK SIGNAL 7 ERROR CHECK SIGNAL 8 DC 5V 9 GND 10 DC 12V 11 14 COMMUNICATION SIGNAL CN...

Страница 79: ...Samsung Electronics 5 3 Sub PCB 1 1 2 19 20 COMM SIGNAL 3 18 EXTERNAL CONTROL 4 17 COMP CHECK 5 16 ERROR CHECK 6 VCC DC5V 7 14 GND 8 13 15 DC12V 9 12 COMM SIGNAL CN1 2WIRES COMM ...

Страница 80: ...96 06V WHT 5 COMM YW396 02V RED 6 SUB PBA POWER SMW200 05P BLK 7 EEV1 SMW250 05 RED 8 COMP DBT061 3P WHT 9 SMPS SMW250 03 BLU 10 EEPROM B7P MQ WHT 11 TEMP SENSOR SMW200 08P WHT 12 MAIN DOWNLOAD YDW200 20 BLK 13 SUB PBA SMW200 10P BLK 14 DRED SMW250 05 WHT 15 INV DOWNDOWN YDAW200 20TR BLK 16 SUB PBA SMW200 10P WHT 17 ENABLE CGND SMW250 03 RED 1 3 5 6 8 10 12 13 15 2 4 7 9 11 14 16 17 ...

Страница 81: ...Samsung Electronics 5 5 5 2 2 MAIN PCB AC052MXADKH 5 4 3 2 1 7 6 8 9 10 11 12 ...

Страница 82: ...GE THERMISTOR 5 6 COND THERMISTOR 1 10 Download 1 DV310V 3 GND 4 DC15V 5 FAN_PWM 6 FAN_Feedback 1 10 Download 1 COMP U Phase 2 COMP V Phase 3 COMP W Phase 1 2 Reactor CN030 4WAY VALVE CN951 SIGNALTOSUBPCB CN252 THERMISTOR CN851 S NET Communication CN701 EEV CN901 BLDC MOTOR CN302 Communication COM1 CN551 Downloader CN251 THERMISTOR CN451 COMP POWER CN201 Downloader CN051 Reactor ...

Страница 83: ...Samsung Electronics 5 7 5 2 3 SUB PCB AC052MXADKH 1 2 1 DC12V 2 GND 1 28 SIGNAL TO MAIN PCB CN12 DC12V CN951 SIGNALTOMAINPCB ...

Страница 84: ...00744 CN1 EARTH YDW236 01 WHT 5 3711 000296 CN73 BLDC FAN YW396 06 WHT 7 3711 000179 CN501 LOW PRESSURE SWITCH YW396 02 YEL 8 3711 003843 CN401 OUT DIS COND OLP SENSOR SMW200 08 WHT 9 3711 000015 CN402 COND SNESOR C O MODEL SMW250 02 WHT 10 3711 000997 CN602 EEV SMW250 05 BLU 11 3711 002001 CN300 DOWNLOAD YDW200 20 BLK 12 3711 000176 CN302 DC12V YW396 02 BLU 13 3711 000177 CN301 COMMUNICATION YW39...

Страница 85: ...Samsung Electronics 6 1 This Document can not be used without Samsung s authorization 6 Wiring Diagram 6 1 Indoor Unit ...

Страница 86: ...6 2 Samsung Electronics AC026MXADKH AC035MXADKH This Document can not be used without Samsung s authorization 6 2 Outdoor Unit ...

Страница 87: ...Samsung Electronics 6 3 AC052MXADKH AC071MXADKH This Document can not be used without Samsung s authorization ...

Страница 88: ...opicalTemp B Non Inv Side GeneralTemp N Non Inv Side LowTemp R Non Inv Side TropicalTemp Z Non Inv Top TropicalTemp U UNITED STATUS DUCT K DVM PLUS4 V DVM Inverter L DVM SLIM G DVM GHP M DVM MINI W DVMWATER C DVM GEO GEOTHERMAL D DVM PLUS3 X DVM PLUS2 J FREE JOINT MULTI P PACK MULTI H DVM HOME E SINGLE T MULTI Y MONO ProductType Indoor Code Type F FLAGSHIP P PREMIUM D DELUXE S STANDARD F CASCADE G...

Страница 89: ...liquid to gas Absorbing heat required for evaporation SERVICE VALVE You can open the valve by turning the need valve counterclockwise using hex wrench and it is used for vacuum gas purging coolant injection coolant purging and indoor outdoor unit connection ACCUMULATOR Accumulator prevents the flow of liquid state coolant into the compressor Liquid state coolant flowing into the compressor will ov...

Страница 90: ...ervice Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Jun 2016 Printed in China ...

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