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Samsung AC052HBLDKH, Service Manual

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Samsung AC052HBLDKH Service Manual Download Page 19

Samsung Electronics

3-11

No

Parts

Procedure

Remark

5

Bracket Motor

1)Disassemble the Bracket Motor.

- Unscrew 6 screws

6

Control

1)  Loosen 2  screws of Assy control in and
  Remove the assy control in.

2) Remove wires from wire saddle.

3) clip cable tie.
(It is necessary to re-tie “cable tie” on re-
assembly,then place in wire saddle .)

Summary of Contents for AC052HBLDKH

Page 1: ...C052HBLDKH EU AC052HCADKH EU AC071HBLDKH EU AC071HCADKH EU AC035HBMDKH EU AC035HCADKH EU AC052HBMDKH EU AC052HCADKH EU AC060HBMDKH EU AC060HCADKH EU AC071HBMDKH EU AC071HCADKH EU 1 Precautions 2 Product Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram 6 Wiring Diagram 7 Reference Sheet AC035HBMDKH AC052HBMDKH AC052HBLDKH AC071HBLDKH AC060HBMDKH AC071HBMDKH AC060HCADKH AC...

Page 2: ...it 3 2 3 2 Outdoor Unit 3 13 4 Trouble shooting 4 1 4 1 Indoor Display Error and Check Method 4 1 4 2 Outdoor Trouble shooting 4 6 4 3 Setting Option Setup Method 4 11 4 4 Items to be checked first 4 13 4 5 Fault Diagnosis by Symptom 4 14 4 6 PCB Inspection Method 4 29 4 7 Troubleshooting by symptoms 4 32 4 8 Main Part Inspection Method 4 40 5 PCB Diagram and Parts list 5 1 6 Wiring Diagram 6 1 6 ...

Page 3: ...case any wire or power plug has been damaged replace it to eliminate any possible danger f Do not bend the power cord by force and do not put any heavy object on the power cord There is a danger of electric shock or fire f Do not use multi socket There is a danger of electric shock or fire f Ground the product if necessary Be sure to ground the product if there is any danger of electric leakage du...

Page 4: ...DC inverter technology it makes a room cool with highly energy saving and arises the efficiency of air conditioner Long Piping Length Height It can give the benefit to the installers and aries the reliability of the air conditioner Long Ambient Operation In Low Temperature It can arise the reliability and the capacity of the air conditioner especially operated in low temperature Eco friendly Produ...

Page 5: ... 8000 Power input Cooling Heating ISO W 1560 1660 2210 2300 Operation current Cooling Heating ISO A 7 2 7 5 9 8 10 2 Noise Cooling Heating Indoor unit In case of strongest air blow dB 45 47 Outdoor unit In case of strongest air blow dB 58 60 Refrigerant R410A g 1300 1500 Connecting Pipe Liquid mm 1 4 6 35 1 4 6 35 Gas mm 1 2 12 7 5 8 15 88 Additional Refrigerant R410A g m 10 20 Standard m 5 5 Exte...

Page 6: ...ut Cooling Heating ISO W 1100 1020 1560 1660 Operation current Cooling Heating ISO A 5 1 4 7 7 2 7 5 Noise Cooling Heating Indoor unit In case of strongest air blow dB 40 45 Outdoor unit In case of strongest air blow dB 53 58 Refrigerant R410A g 900 1300 Connecting Pipe Liquid mm 1 4 6 35 1 4 6 35 Gas mm 3 8 9 52 1 2 12 7 Additional Refrigerant R410A g m 5 Standard m 5 5 Extension length Total m 2...

Page 7: ...ooling Heating ISO W 1760 1890 2210 2300 Operation current Cooling Heating ISO A 7 9 8 4 9 8 10 2 Noise Cooling Heating Indoor unit In case of strongest air blow dB 46 47 Outdoor unit In case of strongest air blow dB 58 60 Refrigerant R410A g 1500 1500 Connecting Pipe Liquid mm 1 4 6 35 1 4 6 35 Gas mm 5 8 15 88 5 8 15 88 Additional Refrigerant R410A g m 20 20 Standard m 5 5 Extension length Total...

Page 8: ...UCTIONS MANUAL DE INSTRUCCIONES ISTRUZIONI PER L USO MANUAL DE INSTRU ÍES MANUEL D UTILISATION GEBRAUCHSANWEISUNG Splut type Room Air Conditioner Aire acondicionado dom stico sistema Split Condizionatore d aria per ambienti ad unitˆ Separate Aparelho de ar condicionado tipo Split Climatiseur de type s par Geteilte raumklimaanlage OWNER S INSTRUCTIONS MANUAL DE INSTRUCCIONES ISTRUZIONI PER L USO MA...

Page 9: ...Samsung Electronics 3 1 3 Disassembly and Reassembly Necessary Tools Item Remark SCREW DRIVER MONKEY SPANNER ...

Page 10: ...BMDKH AC071HBMDKH No Parts Procedure Remark 1 Motor Blower 1 Disassemble the Cabinet Bottom Fan Unscrew 10 screws 2 Disassemble the Case Filter Pre 3 Disassemble the 2 Case Blower Bottom Unscrew 4 screws 4 Disassemble the Cover Control Unscrew 2 screws 5 Cut the cable tie ...

Page 11: ...onnect the wire betwwen assy control out and motor 7 Disassemble the 2 Holder Motor Unscrew 2 screws 8 After disassembling the Motor and Blower for the set disassemble the Blower by use of 3mm wrench 9 Disassemble the both of Case Blower Out Unscrew 4 screws ...

Page 12: ...k 2 Drain Pan 1 Disassemble the Cabinet Bottom Evap Unscrew 7 screws 2 Pull the Drain Pan Out 3 EVAP 1 Disassemble the Support Evap Unscrew 1 screws 2 Disassemble the Cover Pipe Unscrew 2 screws 3 Disconnect the wire betwwen assy control out and Evap ...

Page 13: ...No Parts Procedure Remark 4 Disassemble the Evap Unscrew 3 screws Then pull the Evap out 4 Cushion 1 Pull out the Cushion 2 Disassemble the Seal Cushion LF Unscrew 1 screws 3 Disassemble the Assy Cushion Right Unscrew 1 screws ...

Page 14: ...mark 5 Case Blower Bracket Motor 1 Disassemble the both of Case Blower Out Unscrew 4 screws 2 Disassemble the Bracket Motor Unscrew 6 screws 6 Control 1 Disassemble the Case Control Unscrew 2 screws 7 Frame 1 Disassemble the Frame Unscrew 6 screws ...

Page 15: ...ts Procedure Remark 1 Motor Blower 1 Disassemble the Cabinet Bottom Fan Unscrew 10 screws 2 Disassemble the Case Filter Pre 3 Disassemble frame up Unscrew 2 screws 4 Disassemble the case blower Unscrew 3 screws 5 Disassemble cover control Unscrew 2 screws ...

Page 16: ...tie 6 Disconnect the wire betwwen assy control out and motor 7 Disassemble the 2 Holder Motor Unscrew 2 screws 8 After disassembling the Motor and Blower for the set disassemble the Blower by use of 3mm wrench 9 Disassemble the both of Case Blower Out Unscrew 6 screws ...

Page 17: ...n Pan 1 Disassemble the Cabinet Bottom Evap Unscrew 7 screws 2 Pull the Drain Pan Out 3 EVAP 1 Disassemble the Cover Pipe Unscrew 2 screws 2 1 Disassemble the Support Evap and hold evap Unscrew 3 screws 3 Disconnect the wire betwwen assy control out and Evap ...

Page 18: ...g Electronics No Parts Procedure Remark 4 Then pull the Evap out 4 Cushion 1 Pull out the seal Cushion front 2 Disassemble the Seal Cushion Right Unscrew 1 screws 3 Disassemble the Assy Cushion LF Unscrew 1 screws ...

Page 19: ...t Motor 1 Disassemble the Bracket Motor Unscrew 6 screws 6 Control 1 Loosen 2 screws of Assy control in and Remove the assy control in 2 Remove wires from wire saddle 3 clip cable tie It is necessary to re tie cable tie on re assembly then place in wire saddle ...

Page 20: ...3 12 Samsung Electronics No Parts Procedure Remark 7 Frame 1 Disassemble the Frame Unscrew 4 screws ...

Page 21: ...n 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 3 2 Outdoor Unit AC035HCADKH CAUTION ...

Page 22: ... Samsung Electronics No Parts Procedure Remark common work 4 loosen 7 screws to disassemble the cabi right and detach it 5 loosen 2 screws to disassemble steel bar 6 loosen 3 screws to disassemble cabi left ...

Page 23: ... No Parts Procedure Remark 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 ...

Page 24: ... 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 ...

Page 25: ...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 ...

Page 26: ...k 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 9 pcs screw of the cabi side right 4 Loosen 7 pcs screw of the cabi side front AC052HCADKH CAUTION ...

Page 27: ...s 3 19 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 3 Loosen 4 pcs motor screw ...

Page 28: ...ronics No Parts Procedure Remark 2 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 ...

Page 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 ...

Page 30: ...mon 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 13 pcs screw of the cabi side right 4 Loosen 9 pcs screw of the cabi side front AC060HCADKH AC071HCADKH CAUTION ...

Page 31: ...s 3 23 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 3 Loosen 4 pcs motor screw ...

Page 32: ...ronics No Parts Procedure Remark 2 4 Loosen 4 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 ...

Page 33: ... 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 ...

Page 34: ...3 26 Samsung Electronics ...

Page 35: ...r of Fan motor in the indoor unit X X X X Error of Outdoor orTerminal BlockThermal Fuse Open X X Clogging of outdoor s service valve X X Detection of the float switch X X X Error of EEPROM or OPTION SETTING 1 No communication for 2 minutes between indoor units Communication error for more than 2 minutes 2 Indoor unit receiving the communication error from outdoor unit 3 Outdoor unit tracking 3 min...

Page 36: ...nication for 2minutes betwwen indoor units Communication error for more than 2minutes Clogging of outdoor s service valve Error of communication down between the indoor unit and wired remote controller after 3minutes Wired remote controller error Error of communication down between the indoor unit and wired remote controller after completion of 10 times tracking COM1 COM2 Cross installed error Err...

Page 37: ...AN1 error E458 FAN2 error E475 13 Comp Starting error E461 14 Primary Current Trip error E462 15 Over current trip PFC over current error Check OLP sensor E463 16 IPM IGBT Module Over Current O C E464 17 Comp Over load error E465 18 DC Link voltage under over error Check AC Power or DC_Link voltage E466 19 Comp wire missing error Check Comp wire E467 20 Current sensor error Check Outdoor Inverter ...

Page 38: ...t Setting indoor unit option code is only possible in Master wired remote controller You can only check the indoor unit option code in Slave wired remote controller t Setting indoor unit option code is possible when one indoor unit is connected If more than 2 indoor units are connected you can only check the Master indoor unit option code t Press the button anytime during setup to exit without set...

Page 39: ...n with remote controller option Set the each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time You need to set twice when setting indoor unit address and installation option Setting an indoor unit address 1 Press the and buttons at the same time for more than 3 seconds and then a Main menu will be displayed 2 Press the button to...

Page 40: ...e button to set the installation option code in order Press button to go to the next page SGE1 SGE2 SGE3 SGE4 SGE5 SGE6 0 2 RESERVED Exterior temperature sensor Central control RESERVED SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 1 Drain pump RESERVED RESERVED RESERVED Master Slave SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 2 External control External control output Virus doctor Buzzer Number of hours using filter ...

Page 41: ...Details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 2 0 Disuse 0 Thermoon 0 Disuse 0 Use of buzzer 2 1000 Hour 1 ON OFF Control 1 Operation on 1 Use 1 Non use of buzzer 6 2000 Hour 2 OFF Control Option SEG19 SEG20 SEG21 Explanation PAGE control of a remote controller Heating setting compensation IndicationandDetails Indication D...

Page 42: ...D 27323C 373000 01B06C 1C55D5 273C46 372005 01B06C 1C55E6 274750 371005 01B06C 1C544D 27323C 373000 6 SP 9 01B06C 1C55A4 27323C 373000 01B06C 1C592B 273C46 372005 01B06C 1C593C 274750 371005 01B06C 1C55A4 27323C 373000 9 SP 12 01B06C 1C591A 27323C 373000 01B06C 1C5A71 273C46 372005 01B06C 1C5A82 274750 371005 01B06C 1C591A 27323C 373000 12 SP 15 01B06C 1C5A70 27323C 373000 01B06C 1C5AC8 273C46 372...

Page 43: ... of 3 minutes when the compressor is reoperated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after a delay of 3 minutes the indoor fan is adjusted automatically with reference to a temperature of the air blew 2 Compressor stops operation intermittently in DRY mode Compressor operation is controlled automatically in DRY mode depending on the room t...

Page 44: ... Check Inner wiring of outdoor unit Abnormal Check outdoor unit terminal block voltage on L N for indoor unit 230Vac nominal Check cable and connection of wire between indoor and outdoor unit Abnormal Check indoor unit terminal block voltage on L N 230Vac nominal Check Indoor control PCB Transformer and FUSE on PCB and replace one which is broken Abnormal Check indoor unit terminal block voltage o...

Page 45: ...R PCB Check and correct the wire or socket connection Check Fuses listed blow FUSE3 EMI PCB FUSE MAIN PCB No Is there miss connection of power and communication wire between indoor and outdoor Correct the cable wiring between indoor and outdoor Check F1 F2 communication line wiring CN50 MAIN PCB Check and correct the wiring Replace the FUSE Replace INVERTER PCB Also check each BLDC FAN moto short ...

Page 46: ...r case broken No Take off each Fan motor housing after 1 minutes from turning off the power Follow the check procedure of outdoor unit power supply error check No Is each resistance of FAN cable housing pin 1 3 over 1Mohm pin 4 3 5 3 and 6 3 over 1Kohm on each FAN motor Mount each Fan housing to PCB socket and turn on the power Exchange INVERTER PCB No Is the Pin voltage 1 3 of CN40 and 41 over 25...

Page 47: ...f outdoor unit Outdoor unit cover Fan front obstruction etc 7 Is there no ventilation obstruction at the surrounding of indoor unit Overload condition in heating mode 2 Troubleshooting procedure No Yes Yes Are the service valves full opened Yes Yes Check AC power source No No Reinstall and remove the obstruction Is the installation of outdoor unit good Reinstall and remove the obstruction No Is th...

Page 48: ...ompressor in 3 minutes off Check the resistance value of 4 WAY valve coil Go to the next page 4 WAY valve main body error Attach the sensor correctly Over shortage of the refrigerant Connect the connecter correctly 4 WAY valve coil error Exchange the outdoor PCB No Yes Yes Yes OK Yes No No No NG No Is much frost in the indoor heat exchanger Does the 4 WAY valve operate normally Is the outdoor air ...

Page 49: ...ted correctly Dose the voltage of DC300V apply to the connector of outdoor fan during the operation of outdoor unit The over shortage of refrigerant Insufficient Capacity Load estimation error Connect the connector Outdoor fan error Check the motor wire Exchange the out PCB EEV coil error Connect the connector Is much frost in the heat exchanger Is much frost in the heat exchanger Outdoor PCB erro...

Page 50: ...he resistance value of sensor connection pull_up correct 2 Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 18K Reconn...

Page 51: ...tor connected correctly in accordance with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 24K Reconnect the sensor connector Change the position of sensor Exchange the sensor Exchange the PCB Exchange the ...

Page 52: ...or connected correctly in accordance with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 18 2K Reconnect the sensor connector Change the position of sensor Exchange the sensor Exchange the PCB Exchange the...

Page 53: ...Is the connector connected correctly Is the color of Fan wire matched correctly Remove the Fan lock Connect the connector Exchange the Fan Exchange the PCB Normal operation Exit Yes Yes Yes No No No No 4 5 10 DC Link voltage sensor error 1 Checklist 1 Is the connection of R S T power wire normal 2 Are Relay RY21 and R200 on the INVERTER PCB mounted normally 2 Troubleshooting procedure Yes No Check...

Page 54: ...he compressor wire connected to the compressor normally Yes Yes Exchange the compressor Reinstall and remove the obstruction Is the installation of outdoor unit good Reinstall and remove the obstruction Is the installation of indoor unit good Open valve screw to the end Are the service valves full opened Correct the compressor wire connection Is insuration resistance between each compressor termin...

Page 55: ...nd communication cable wiring error 2 Troubleshooting procedure Yes Restart after power off Is the communication error occurred again Isn t the power cable and communication cable wiring error Exchange the outdoor unit PCB Terminate the service Correct the wrong wiring Is the connection of communication cable normal Correct the connection of communication cable Yes Yes No No No ...

Page 56: ...ure Yes Restart after power off Is the restart error occurred again Is the interphase resistance value of compressor u v v w w u normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the compressor Is the compressor body and interphase resistance insulated Exchange the compressor Correct the cable connection Yes Yes Yes No No No...

Page 57: ...dure Yes Restart after power off Is the lock error occurred again Is the interphase resistance value of compressor u v v w w u normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the compressor Is the compressor body and interphase resistance insulated Exchange the compressor Correct the cable connection Yes Yes Yes No No No N...

Page 58: ...d reconnecting the AC power cable wire Is the AC Power cable connection to the outdoor unit terminal block good Check and reconnecting the reactor wire at the TAB terminal Is the connection of reactor terminal good Replace the blown FUSE Are the FUSEs on EMI PCB blown Is each contact resistance normal less than 0 1ohm Does the error reappear frequently The cause of this error may be power source t...

Page 59: ...e capacitor use power resistor of about 1 Kohm 10W Soldering tool non electronic temperature control type can be used as a discharging resistor 5 Don t pull the lead wire but hold the whole housing to disconnect or connect a housing from or to the PCB 4 6 2 Inspection Procedure 1 Check the connection of each housing to the connector first and the peeling of PCB copper pattern 2 The PCB is composed...

Page 60: ...This means communication between Indoor and wired remote controller is on 1 It may take one minute to start communication t Communication ciucuit trouble t Communication wire connection trouble t wrong connection for power supply wire of remote controller 3 Check the DIP and rotary switch on the PCB 1 Is the setting of each switch proper t Wrong setting of switch 4 Check the DC voltage 1 Is the vo...

Page 61: ...N PCB 1 Is RED LED ON 2 Is GREEN LED Blinking once a second 3 Is LEDs displaying error code pattern t 1 QPXFS USPVCMF t CBE DPNNVOJDBUJPO CFUXFFO JOEPPS BOE outdoor unit t FSSPS EFUFDUJPO 5 Check LED display on INVERTER PCB 1 Is RED LED ON 2 Is GREEN LED Blinking once a second 3 Is LEDs displaying error code pattern t 7 35 3 1 QPXFS USPVCMF t 0 DPNNVOJDBUJPO CFUXFFO BOE INVERTER PCB t FSSPS EFUFDU...

Page 62: ... out of range in the temperature table on the right Yes Is indoor temperature sensor disconnected from the connector in PCB CN412 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 Current tem peratur...

Page 63: ...range in the temperature table on the right Yes Is indoor temperature sensor disconnected from the connector in PCB CN413 Restart the system after replacing the PCB Restart the system after connecting to the PCB connector EVA sensor failure replace Remove the indoor temperature sensor connector from the PCB and measure the resistance between two terminals Current tem perature C Resistance kΩ 70 2 ...

Page 64: ...om Error of Fan motor in the indoor unit Failure Fan error 4 7 3 Fan error Yes No Yes Is there foreign substance stuck in the motor fan Yes Is the motor connector disconnected from the PCB CN301 Replace the PCB and restart the unit Connect the connector to PCB and restart the unit Remove the foreign substance and restart the unit ...

Page 65: ... 7 4 Terminal Block s Terminal Fuse Open No No Yes Is the resistance 0Ω Yes Is the wire connector disconnected from the terminal block and PCB CN140 Replace the PCB and restart the unit Connect the connector to PCB and terminal block before restart the unit Replace the Terminal Block and restart the unit Remove the wire connector from the PCB and measure the resistance between two terminals ...

Page 66: ...X Timer Fan Filter Wire remote controller display E422 Symptom Clogging of outdoor s service valve Failure Valve clog 4 7 5 Outdoor s service valve Clog No Yes Is the outdoor service valve clogging Open the outdoor s service valve Replace the PCB and restart the unit ...

Page 67: ...itch Failure Float switch open 4 7 6 float switch Open No No Yes Is the resistance 0Ω Yes Is the wire connector disconnected from the PCB CN411 Replace the PCB and restart the unit Connect the connector to PCB restart the unit Replace the float switch and restart the unit Remove the wire connector from the PCB and measure the resistance between two terminals ...

Page 68: ...M PCB disconnected from the MAIN PCB Failure Option error 4 7 7 EEPROM error No No Yes Is the error mode disappear Yes Is the EEPROM PCB disconnected from the MAIN PCB CN201 The indoor unit work normaly Connect the EEPROM PCB to MAIN PCB and restart the unit Replace the PCB and restart the unit Connect the EEPROM PCB to MAIN PCB ...

Page 69: ...imer Fan Filter Wire remote controller display E163 Symptom EEPROM option setting error Failure Option error 4 7 8 Option error No Yes Is the error mode disappear The indoor unit work normaly Replace the PCB and restart the unit Input the right option to EEPROM PCB ...

Page 70: ...perature Sensor Measure sensor resistance with a multimeter Normal At the normal temperature 563kΩ 157kΩ 0 C 30 C see 12 2 7 Abnormal 0Ω Open or Short Outdoor Unit BLDC FAN MOTOR Measure terminal resistance with a multimeter Normal At the normal temperature 10 C 30 C Abnormal 0Ω Open or Short Outdoor Unit 4way Valve Solenoid Measure resistance with a multimeter Normal At the normal temperature 10 ...

Page 71: ... EARTH YDW236 01WHT 8 3711 000796 CN83 EXT T SMW250 02 RED 9 3711 002001 CN301 DOWNLOAD YDW200 20 10 3711 007817 CN201 EPPROM B7P MQ WHT 11 3711 004773 CN311 2 WIRE BMW200 12 WHT 12 3711 001037 CN302 COMM SMW250 06 RED 13 3711 000941 CN801 SPI SMW250 04 YEL 14 3711 000795 CN804 VEN SMW250 02 BLU 15 3711 001036 CN808 EEV SMW250 06 BLU 16 3711 004182 CN905 FAN MOTOR COMM SMW200 10P WHT 17 3711 00389...

Page 72: ...2 ROOM 1 ROOM 2 GND 11 11 CN501 DISPLAY 1 12V 2 6 DISPLAY LED CONTROL 7 BZ_1 8 REMOCON SIGNAL OUT 9 AUTO_SW 10 REMOCON_INT 11 GND 12 VCC 13 BZ_2 12 12 CN201 EEPROM 1 GND 2 NO USED 3 VCC 4 EEPROM_SELECT 5EEPROM_SO 6 EEPROM_SI 7 EEPROM CLK 13 13 CN808 EEV DVM 1 4 CONTROL SIGNAL 5 6 12V 14 14 CN801 SPI 1 GND 2 GND 3 CONTROL SIGNAL 4 NOT USED AC052HBLDKH AC071HBLDKH No Description 15 15 CN311 2WIRE 1 ...

Page 73: ...T 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 ...

Page 74: ...COMM YW396 02V RED 4 TEMP SENSOR SMW200 08P WHT 5 DRED SMW250 05 WHT 6 SUB PBA SMW200 10P WHT 7 SUB PBA SMW200 10P BLK 8 EEV1 SMW250 05 RED 9 SMPS SMW250 03 BLU 10 EEPROM B7P MQ WHT 11 MAIN DOWNLOAD YDW200 20 BLK 12 BLDC FAN YAW396 06V WHT 13 ENABLE CGND SMW250 03 RED 14 INV DOWNDOWN YDAW200 20TR BLK 1 2 4 3 6 5 7 11 12 8 10 9 13 14 5 5 ...

Page 75: ...Samsung Electronics 6 1 6 Wiring Diagram 6 1 Indoor Unit N AC052HBLDKH AC071HBLDKH This Document can not be used without Samsung s authorization ...

Page 76: ...6 2 Samsung Electronics This Document can not be used without Samsung s authorization N AC035HBMDKH AC052HBMDKH AC060HBMDKH AC071HBMDKH ...

Page 77: ...Samsung Electronics 6 3 This Document can not be used without Samsung s authorization 6 2 Outdoor Unit N AC035HCADKH ...

Page 78: ...6 4 Samsung Electronics This Document can not be used without Samsung s authorization N AC052HCADKH AC060HCADKH AC071HCADKH ...

Page 79: ...nt to the cycling system ÊEVAPORATOR Liquid coolant sucked in through the capillary tubes cools down the room by absorbing the surrounding heat as it evaporates converting from liquid to gas Absorbing heat required for evaporation ÊSERVICE 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...

Page 80: ...n Inv Side General Temp N Non Inv Side Low Temp R Non Inv Side Tropical Temp Z Non Inv Top Tropical Temp 1 1 In out 4Way 4 MSP Duct M Ceiling C ProductType Indoor Code Type F FLAGSHIP P PREMIUM D DELUXE S STANDARD ProductType Outdoor Code Type A STANDARD GENERAL Temp MODULE B STANDARD LOW Temp MODULE C STANDARD TROPICAL MODULE D STANDARD GENERAL Temp NON MODULE S STANDARD T DELUXE TROPICAL Capacit...

Page 81: ......

Page 82: ...al 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 Jan 2014 Printed in China Code No DB68 04356C 1 ...

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