Samsung AC052FBCDEH Service Manual Download Page 1

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AIR CONDITIONER

CONTENTS

SYSTEM AIR CONDITIONER

Basic : NS052CDXEA/RC052DHXEA
Model : AC052FBCDEH/ AC052FCADEH

AC071FBCDEH/ AC071FCADEH

/ AC071FCAPEH

AC052HBCDEH/ AC052FCADEH

AC071HBCDEH/ AC071FCADEH

Model Code :
AC052FBCDEH/EU AC052FCADEH/EU
AC071FBCDEH/EU AC071FCADEH/EU

AC071FCAPEH/EU

AC052HBCDEH/EU AC052FCADEH/EU
AC071HBCDEH/EU AC071FCADEH/EU

AC052FCADEH

AC071FCADEH

AC071FCAPEH

AC052FBCDEH / AC071FBCDEH

AC052HBCDEH / AC071HBCDEH

1. Precautions

2. Product Specifications

3. Disassembly and Reassembly

4. Troubleshooting

5. PCB Diagram and Parts List

6. Wiring Diagram

7. Reference Sheet

Summary of Contents for AC052FBCDEH

Page 1: ...CADEH Model Code AC052FBCDEH EU AC052FCADEH EU AC071FBCDEH EU AC071FCADEH EU AC071FCAPEH EU AC052HBCDEH EU AC052FCADEH EU AC071HBCDEH EU AC071FCADEH EU AC052FCADEH AC071FCADEH AC071FCAPEH AC052FBCDEH AC071FBCDEH AC052HBCDEH AC071HBCDEH 1 Precautions 2 Product Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram and Parts List 6 Wiring Diagram 7 Reference Sheet ...

Page 2: ...r Unit 3 2 3 2 Outdoor Unit 3 11 4 Trouble shooting 4 1 4 1 Indoor Display Error and Check Method 4 1 4 2 Outdoor LED Error Display and Check Method 4 3 4 3 Setting Option Setup Method 4 4 4 4 Items to be checked first 4 11 4 5 Fault Diagnosis by Symptom 4 12 4 6 PCB Inspection Method 4 28 4 7 Main Part Inspection Method 4 30 5 PCB Diagram and Parts list 5 1 5 1 Indoor PCB Diagram 5 1 5 2 Outdoor ...

Page 3: ...ed by an incorrect installation When installing the built in type air conditioner keep all electric cables such as the power cable and the connection cord in pipes ducts or cable channels to protect them from the danger of impact or any other incidents 1 2 Power supply and circuit breaker V If the power cord of the air conditioner is damaged it must be replaced by the manu facturer or a qualified ...

Page 4: ...o ISO standard for energy efficiency 1 3 During operation V Do not repair the air conditioner at your discretion It is recommended to contact a service center directly V Never spill any kind of liquid on the air conditioner If this happens turn off the air conditioner and contact an authorized service cen ter V Do not insert anything between the airflow blades to prevent damage of the inner fan an...

Page 5: ...eature of Product Auto Changeover Long Lasting Outdoor Unit Anti Corrosion Cabinet Heat Exchanger are applied Free Installation 4 directions piping installation are possible Various useful functions Long piping Max 30m Eco friendly Product Lead Free RoHS WEEE ...

Page 6: ... 8000 Power Consumption Cooling STD W 1660 2360 1970 Heating STD W 1870 2750 2100 Operation current Cooling STD A 7 80 10 50 9 50 Heating STD A 8 80 12 60 9 80 Sound Power Indoor unit dBA 60 64 Outdoor unit dBA 64 66 67 Refrigerant R410A g 1400 1800 1800 Connecting Pipe Liquid mm 6 35 6 35 6 35 Gas mm 12 70 15 88 15 88 Additional Refrigerant R410A g m 10 25 25 Standard m 5 5 5 Extension length Tot...

Page 7: ... STD W 6000 8000 Power Consumption Cooling STD W 1660 2360 Heating STD W 1870 2750 Operation current Cooling STD A 7 80 10 50 Heating STD A 8 80 12 60 Sound Power Indoor unit dBA 60 64 Outdoor unit dBA 64 66 Refrigerant R410A g 1400 1800 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 12 70 15 88 Additional Refrigerant R410A g m 10 25 Standard m 5 5 Extension length Total m 30 30 Extension length Eleva...

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

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

Page 10: ...F 3FNBSL MFDUSJDBM 1BSU 0QFO UIF SJMMF CZ QSFTTJOH QPTJUJPO DFOUFS BOE CPUI TJEF FUBDI UIF JS OMFU SJMMF 0QFO UIF PWFS PG PNQPOFOU MFDUSJDBM PY CZ SFNPWJOH TDSFXT DFOUFS BOE CPUI TJEF 3 OEPPS 6OJU 3 2 4BNTVOH MFDUSPOJDT ...

Page 11: ...4BNTVOH MFDUSPOJDT P 1BSUT 1SPDFEVSF 3FNBSL BO PUPS FUBDI UIF TDSFX BOE VOUJF FBSUI XJSF PG PUPS JTDPOOFDU PG IPVTJOH PG PUPS 8JSF JTDPOOFDU UIF BQBDJUPS 8JSF 3 3 ...

Page 12: ...4BNTVOH MFDUSPOJDT P 1BSUT 1SPDFEVSF 3FNBSL PPTFO UIF VBSE 4BGFUZ CZ SFNPWJOH TDSFXT FUBDI UIF 6QQFS BTF PG BO PPTFO UIF TDSFXT XIBU JT GJY UIF PUPS FUBDI UIF BO BOE PUPS BTTFNCMZ 3 4 ...

Page 13: ...SL PPTFO UIF TFU GJYJOH CPMUT XJUI B XSFODI FUBDI UIF BO SBJO 1BO JTDPOOFDU UIF JTQMBZ 1 8JSF BT TIPXO JO QJDUVSF XIJUF IPVTJOH JTDPOOFDU UIF 4UFQ PUPS 8JSF BT TIPXO JO QJDUVSF CMVF IPVTJOH JTBTTFNCMF UIF BOHFS SBDLFU CZ SFNPWJOH UIF TDSFX 4BNTVOH MFDUSPOJDT 3 5 ...

Page 14: ...1BSUT 1SPDFEVSF 3FNBSL PPTFO UIF TDSFXT PG SPOU 4JEF JTBTTFNCMF UIF BTTFNCMZ SPOU PWFS 1BSU JTDPOOFDU UIF 4UFQ PUPS 8JSF BT TIPXO JO QJDUVSF FUBDI UIF 8JSF MBNQ GJYFE JO BTF 1BSU FUBDI UIF SPOU PWFS BTTFNCMZ DPNQMFUFMZ 3 6 ...

Page 15: ...TVOH MFDUSPOJDT P 1BSUT 1SPDFEVSF 3FNBSL PPTFO UIF TDSFX XIBU JT GJY XJUI BTF 1BSU BOE SBJO 1BO 6QQFS 4JEF PPTFO UIF TDSFX XIBU JT GJY XJUI BTF 1BSU BOE SBJO 1BO PXFS 4JEF FUBDI UIF SBJO 1BO DPNQMFUFMZ 3 7 ...

Page 16: ... 5IFSNJTUPS 8JSF BT TIPXO JO QJDUVSF XIJUF IPVTJOH PPTFO UIF TDSFXT TIPXO JO QJDUVSF PPTFO UIF TDSFXT TIPXO JO QJDUVSF BOE SFNPWF 1MBTUJD 1BSU XIJUF PPTFO UIF TDSFXT TIPXO JO QJDUVSF BOE SFNPWF 4UFFM SBDLFU JTBTTFNCMF UIF TDSFXT 4UFFM 1MBUF JO SFBS TJEF PG UIF VOJU 3 8 ...

Page 17: ...4BNTVOH MFDUSPOJDT P 1BSUT 1SPDFEVSF 3FNBSL PPTFO UIF TDSFXT BT TIPXO JO QJDUVSF FUBDI UIF 1MBTUJD PWFS BT TIPXO JO QJDUVSF FUBDI UIF WBQPSBUPS BTTFNCMZ 3 9 ...

Page 18: ... QJDUVSF PPTFO UIF TDSFXT BT TIPXO JO QJDUVSF JTBTTFNCMF UIF MBEF BOE 4UFQQJOH PUPS BTTFNCMZ BOE SFNPWF UIF 4DSFXT 4UFQQJOH PUPS JTQMBZ 1 PPTFO UIF TDSFXT JO SFBS TJEF PG SPOU PWFS BTTFNCMZ BT TIPXO JO QJDUVSF JTBTTFNCMF JTQMBZ 1 BTTFNCMZ BOE JTDPOOFDU 8JSF JTBTTFNCMF UIF JTQMBZ 1 3 10 4BNTVOH MFDUSPOJDT ...

Page 19: ... Procedure Remark 1 common work 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 O AC052FBCDEH ...

Page 20: ... 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 21: ... 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 22: ... 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 23: ...Samsung Electronics 3 15 No Parts Procedure Remark 5 compressor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom of ...

Page 24: ...g Electronics O AC071FCADEH AC071FCAPEH No Parts Procedure Remark 1 Common Work 1 Loosen 1 fixing screw of the Cover Control and detach the Cover Control 2 Loosen each 7 fixing screws and detach the Cabinet Upper ...

Page 25: ...lectronics 3 17 No Parts Procedure Remark 3 Loosen 2 screws fixed to assemble Control Box with Cabinet Side RH 4 Loosen fixing screws and detach the Cabinet Side RH 5 Loosen 2 screws fixed on the Guide Condenser ...

Page 26: ...3 18 Samsung Electronics No Parts Procedure Remark 6 Loosen fixing screws of the Cabinet Front ...

Page 27: ...Flange like the picture on the right side Turn counter clockwise because the screw is right handed 2 Detach the Fan Propeller 3 Loosen 4 fixing screws to detach the Motor 4 Disconnect the wire between ASS Y Control Out and Motor 5 Loosen 2 fixing bolts and detach the Bracket Motor ...

Page 28: ...s from the PCB of ASS Y Control Out 3 Pull up the ASS Y Control Out 4 Heat Exchanger 1 Release the refrigerant at first 2 Loosen fixing screw on both sides 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger 5 Loosen 4 bolts fixed to assemble Valve Service with Bracket Valve like the picture on the right side ...

Page 29: ...1 No Parts Procedure Remark 5 Compressor 1 Loosen the fixing nut and detach the Compressor Lead Wire 2 Disassemble the Felt Compressor Sound 3 Loosen the 3 bolts at the bottom of Compressor like the picture on the right side ...

Page 30: ...ropriate indoor unit which is operating Error of the indoor unit pipe sensor Displayed on appropriate indoor unit which is operating Error of the outdoor unit pipe sensor Displayed on appropriate indoor unit which is operating Displayed on outdoor unit Communication error Transmitter wired remote control Error of indoor unit Displayed on the indoor unit regardless of operation Communication error ...

Page 31: ...129 Indoor unit Eva Out sensor secession E130 Indoor Eva In and Out sensor secession error E131 Secondary Electronic heater sensor 1 error E132 Secondary Electronic heater sensor 2 error E133 Secondary Electronic heater sensor 3 error E153 Indoor unit float S W 2nd detection E154 Indoor fan error E161 Mixed operation error E162 EEPROM error E163 EEPROM option setting error E164 Error regarding spe...

Page 32: ...or unit is overheated 11 E440 Heating operation is not available since the outdoor air tem perature is over 30 C Heating E441 Cooling operation is not available since the outdoor air tem perature is lower than 5 C Cooling 12 E458 Outdoor unit BLDC Fan 1 or Fan 2 error FAN1 error E475 FAN2 error 13 E461 Comp Starting error 14 E462 Primary Current Trip error 15 E463 Over current trip PFC over curren...

Page 33: ...DI XFSF VTFE BU UIF previous other remocons t 4FU UIF FBDI CJU PQUJPO DPEF JO PSEFS FYDFQU QBHF PQUJPOT For example SEG2 3 SEG4 5 SEG6 8 SEG9 10 SEG11 12 SEG 14 15 SEG 16 17 SEG 18 20 SEG 21 22 SEG23 24 On SEG1 12 Off SEG13 24 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 0 X X X X X 1 X X X X X SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 2 X X X X X 3 ...

Page 34: ...ess the button will be selected in rotation 6 Setting Fan mode Press Mode button to be changed to FAN mode in the ON status 7 Setting SEG9 SEG10 option Press Low Fan button to enter SEG9 value Press High Fan button to enter SEG10 value Each time you press the button will be selected in rotation 8 Setting Heat mode Press Mode button to be changed to HEAT mode in the ON status 9 Setting SEG11 SEG12 ...

Page 35: ...ting SEG16 SEG17 option Press Low Fan button to enter SEG16 value Press High Fan button to enter SEG17 value Each time you press the button will be selected in rotation 14 Setting Dry mode Press Mode button to be change to Dry mode in the OFF status 15 Setting SEG18 SEG20 option Press Low Fan button to enter SEG18 value Press High Fan button to enter SEG20 value Each time you press the button will...

Page 36: ...tting will be maintained Setting an indoor unit address MAIN RMC t 8IFO i w_w w JT FOUFSFE UP 4 _ UIF JOEPPS VOJU 3 44 JT OPU DIBOHFE t G ZPV TFU UIF 4 BT UIF JOEPPS VOJU XJMM NBJOUBJO UIF QSFWJPVT 3 44 FWFO JG ZPV JOQVU UIF PQUJPO WBMVF PG 4 t G ZPV TFU UIF 4 BT UIF JOEPPS VOJU XJMM NBJOUBJO QSFWJPVT 3 3 44 FWFO JG ZPV JOQVU UIF PQUJPO WBMVF PG 4 _ Option No 0AXXXX 1XXXXX 2XXXXX 3XXXXX Option SEG...

Page 37: ...itionofeachinstallationlocation Option No 02XXXX 1XXXXX 2XXXXX 3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE RESERVED Useofexternal temperaturesensor Use of central control RPM setting compensation Indication and Details Indication Details Indication Details Indication Details Indication Details 0 Notused 1 Highceilingmode 2 Highceilingkit 3 Lownoiseoperation mode 0 2 0 Disuse ...

Page 38: ...5 PremiumMode AutoSetOFF30 Min 6 PremiumMode AutoSetOFF60Min 7 PremiumMode Auto SetOFF120Min 8 PremiumMode Auto SetOFF180Min 2 Indoor 2 3 Indoor 3 4 Indoor 4 X If you input a number other than 0 4 on the individual control of the indoor unit SEG 20 the indoor is set as Indoor 1 Example If you want to set as Exterior temperature sensor USE External control USE Number of hours using filer 2000hr SEG...

Page 39: ... Indication Details Indication Details Indication Details 0 D Option mode 0 F Tens digit ofSEG 0 9 Unitdigit ofSEG 0 9 The changed value 0 F t 8IFO DIBOHJOH B EJHJU PG BO JOEPPS VOJU BEESFTT TFUUJOH PQUJPO TFU UIF 4 BT A t 8IFO DIBOHJOH B EJHJU PG JOEPPS VOJU JOTUBMMBUJPO PQUJPO TFU UIF 4 BT A Ex When setting the buzzer control into disuse status Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PA...

Page 40: ...y 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 ...

Page 41: ... 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 42: ...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 43: ...tor 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 ...

Page 44: ...g of 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...

Page 45: ... compressor 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 ai...

Page 46: ...ected 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 er...

Page 47: ...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 48: ...ector 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 th...

Page 49: ...ctor 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 t...

Page 50: ... resistance value in accordance with temperature 4 Is the resistance value of sensor connection pull_up correct 2 Troubleshooting procedure Isn t the Fan locked 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 ...

Page 51: ...klist 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 and correct the wire connection Are connection of the wire from INVERTER PBA to EMI PBA normal Exchange INVERTER PCB ...

Page 52: ... the 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 term...

Page 53: ...e and 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 54: ...edure Yes Restart after power off Is the restart error occurred again Is the interphase resistance value of compressor uļv vļw wļu 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 ...

Page 55: ...dure Yes Restart after power off Is the lock error occurred again Is the interphase resistance value of compressor uļv vļw wļu 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 56: ...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 57: ... LED lamps Switch Remocon module 1 INDOOR EMI PCB part Line filter Noise Capacitor and Varistor 3 The PCB is composed of the 3 part in the outdoor unit 1 EMI PCB part Line filter for electrical noise Varistors for surge and Fuses 1 MAIN PCB part Refrigeration cycle controller with MICOM 1 INVERTER PCB part Compressor driving inverter and BLDC fan controller 4 6 3 Indoor Detailed Inspection Procedu...

Page 58: ...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 59: ...rt Outdoor Unit Discharge Temperature 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 ...

Page 60: ...SMW250 02 RED 5 Floating switch SMW250 02 BLK 6 Panel Louver stepping motor SMW250 06 BLU 7 Micom Program download SMW200 10 BLK 8 Trans out SMW250 03 RED 9 Trans In YW396 03V WHT 10 AC power YW396 03V BLU 11 Drain Pump YW396 03V YEL 12 Ventilator YW396 03V BLK 13 Fan Tap YW396 09V BLK 14 DC12V out Wired rmote controller power YW396 02V WHT 15 Communication 1 outdoor_ F1 F2 YW396 02V RED 16 Commun...

Page 61: ...tral Control Signal CN83 RED 8 Thermistor CN413 WHT 9 Float Switch CN411 BLK 10 Drain CN103 YEL 11 Signal Check CN81 RED 12 EEPROM CN201 WHT 13 4wire communication CN311 WHT 14 Vent CN804 BLU 15 Human Sensor CN401 RED 16 Room Sensor CN412 WHT 17 EEV CN808 DVM BLU 18 Louber 5 CN807 BLU 19 Louber3 4 CN806 BLU 20 Louber1 2 CN805 WHT 21 SPI CN801 YEL 22 Power TB101 BLK 23 Communication TE04 BLK ...

Page 62: ...et DC 5V 7 TOUCH S W Out DC 5V 8 REMOCON SIGNAL Receive 9 GND 10 VCC DC 5V CN01 PANEL DISPLAY AC052FBCDEH AC071FBCDEH AC052HBCDEH AC071HBCDEH DC connecting connector 1 DC 12V 2 7 LED Control Signal Output 8 Remocon Signal Output 9 Auto Switch Signal 10 Remocon Signal Input 11 Ground 12 Vcc 13 No Use CN01 DISPLAY ...

Page 63: ... DAMPER S W AC052FBCDEH AC071FBCDEH DC connecting connector CN01 DAMPER S W 1 DC 12V 2 COM2 Control Signal 3 COM2 Check Signal 4 COM2 Check Signal 5 COM2 _Micom _ AD 6 Vcc 7 COM2 Enable Signal 8 COM2 9 COM2 10 COM2 Write 11 COM2 Read 12 Ground CN313 4wire communication WHT AC052HBCDEH AC071HBCDEH ...

Page 64: ...250A 04 RE BLDC FAN CONNETCOR YAN396 06V WHT EEV A CONNECTOR SMAW250A 05 RED DISPLAY CONNECTOR SMW200 10 NTR DISPLAY CONNECTOR SMAW250A 03 RED PC DOWNLOADCONNECTOR SMW200 10 BLK S NE T CONNECTOR SMW200 04 NTR AS PRO DOWNLOAD CONNECTOR SMAW200A 07 WHT DISPLAY CONNE CTORS MW200 05 NTR DOWNLOAD INV CONNECTOR S MW200 10 RED 7 6 5 4 3 2 1 8 9 10 11 5 2 Outdoor PCB Diagram ...

Page 65: ...ET CONNECTOR EEV A CONNECTOR OUT DIS COND CONNECTOR DOWNLOAD MAIN CONNECTOR CENTRAL CTL CONNECTOR BLDC FAN CONNECTOR DOWNLOAD INV CONNECTOR COMP CONNECTOR REACTOR CONNECTOR YAW396 03AV WHT SMW200 28C WHT SMW250 02 RED SMAW250 02 WHT SMW200 28C WHT SMAW250 06 RED SMW250 06 BLU SMAW200 10P BLK SMW200 05P WHT YW396 06V WHT SMAW200 10P RED DBT061 3P WHT DBT081 2P WHT ...

Page 66: ...Samsung Electronics 5 7 12V POWER CONNECTOR YW396 02V BLU MAIN SUB SIGNAL CONNECTOT SMW250 04 WHT MAIN SUB SIGNAL CONNECTOT SMW200 15NTR 1 2 3 5 2 2 Outdoor Unit PCB O SUB PCB AC071FCADEH AC071FCAPEH ...

Page 67: ...5 8 Samsung Electronics EVAP THERMISTOR CONNECTOR SMW250 08 WHT EEV B CONNECTOR SMW250 05 YEL DISPLAY MAIN CONNECTOR SMW200 28 WHT 12V POWER CONNECTOR YW396 02AV BLU 4 3 2 1 O SUB PCB AC052FCADEH ...

Page 68: ...Samsung Electronics 6 1 6 Wiring Diagram 6 1 Indoor Unit This Document can not be used without Samsung s authorization AC052FBCDEH AC071FBCDEH ...

Page 69: ...Samsung Electronics 6 2 AC052HBCDEH AC071HBCDEH This Document can not be used without Samsung s authorization ...

Page 70: ...Samsung Electronics 6 3 O Outdoor Unit AC052FCADEH 6 2 Outdoor Unit This Document can not be used without Samsung s authorization ...

Page 71: ...Samsung Electronics 69 This Document can not be used without Samsung s authorization O Outdoor Unit AC071FCADEH AC071FCAPEH ...

Page 72: ...nd sent to the evaporator COMPRESSOR Low temperature and low pressure coolant is compressed and sent to the cycling system EVAPORATOR Liquid coolant sucked in through the capillary tubes cools down the room by absorbing the sur rounding heat as it evaporates converting from liquid to gas Absorbing heat required for evaporation SERVICE VALVE You can open the valve by turning the need valve counterc...

Page 73: ... Temp F Inv Top Tropical Temp B Non Inv Side General Temp N Non Inv Side Low Temp R Non Inv Side Tropical Temp Z Non Inv Top Tropical Temp 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 Capacity 3 DIGIT KW BTU Liter RatingVolta...

Page 74: ...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 Oct 2013 Printed in China Code No DB98 32713A 3 ...

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