Samsung RC052DHXEA Specifications

Refer to the service manual in the GSPN(see the rear cover) for the more information.AIR CONDITIONER CONTENTSSYSTEM AIR CONDITIONER1. Precautions2.

Samsung Electronics 2-5Item Description Code No. Q’ty RemarkAss'y drain hose DB94-03287A 1Essential Offer (Indoor Unit)Cable-tie DB65-10088C 6Sea

Samsung Electronics 6-4This Document can not be used without Samsung’s authorization.QOutdoor Unit : RC060DHXEA/ RC071DHXEA

7V'$(/%8+,3$/4.8#-,7$$(/%(/%7V'$7O'$(/%7$$7$$7O'$7V'$7$$(/%

Samsung Electronics7-27-1-2 SLIM 1 WAY MAIN PCBThis Document can not be used without Samsung’s authorization.

Samsung Electronics 7-57-3713 MINI 4 WAY PANEL PCB Led Display PartThis Document can not be used without Samsung’s authorization.

Samsung Electronics 7-67-4714 MINI 4 WAY PANEL PCBThis Document can not be used without Samsung’s authorization. DISPLAY LED REMOCON MODULEOPERATI

This Document can not be used without Samsung’s authorization.72 OUTDOOR UNIT PCBQMAIN PCB (RC060DHXEA/ RC071DHXEA)Samsung Electronics 7-5

This Document can not be used without Samsung’s authorization.OUTDOOR UNIT PCBQSUB PCB (RC060DHXEA/ RC071DHXEA)Samsung Electronics 7-6

8-1 Samsung ElectronicsModel CodeHH HE HA HEU H/ H026 HN HAD HN HD 8. Reference Sheet8-1 Index for Model Name8-1-1 Indoor Unit Product Type Code Type

Samsung Electronics 8-2Indoor Unit Model CodeNS 071 L E AD X- --Buyer code/(2)CapacityHP / KW / BTU / TON(6)Power SupplyNormal N115V,60Hz A220V,60Hz B

8-3 Samsung ElectronicsIndex for Model Name (cont.)Model CodeHX HH HE HA HSER H/ H052 HRC HD H 8-1-2 Outdoor Unit※★MCD: Dummy mock-up model※“/” can be

2-6 Samsung ElectronicsItem Description Code No. Q’ty RemarkPattern sheetDB69-01936A 1Essential Offer (Indoor Unit)DB69-01947A 1DB69-01947B 1Seal-drai

Samsung Electronics 8-4Index for Model Name (cont.)Model Code8-1-3 Panel※ Model name for the column/bundle packaging is “~S”.★ Only display the Global

8-5 Samsung ElectronicsQ CONDENSER High temperature and high pressure gas state coolant discharged from the compressor is converted to a liquid stat

Samsung Electronics 8-68-3 Pressure Graph        - 32/2327/1

This Service Manual is a property of Samsung Electronics Co., Ltd.Any unauthorized use of Manual can be punished under applicableInternational and/or

Samsung Electronics 2-7Item Descriptions Code-No. Q'TY RemarkWireless remote controller DB93-11115N 1OptionalBatteries for remote controller (spe

2-8 Samsung ElectronicsAccessories (cont.)Q Wired remote controller (MWR-WE10) [Code No. : DB97-17002B]Item Descriptions Code-No. Q'TY RemarkWire

Samsung Electronics 2-9Accessories (cont.)Q Central controller (MCM-A202D) [Code No. : DB97-18602B]Item Descriptions Code-No. Q'TY RemarkCentral

2-10 Samsung ElectronicsAccessories (cont.)Q Function controller (MCM-A100) [Code No. : DB97-01077A]Item Descriptions Code-No. Q'TY RemarkFunctio

Samsung Electronics 2-11Accessories (cont.)Q Relay (MIM-B13D) [Code No. : DB97-18519A]Q Relay (MIM-B13E) [Code No. : DB97-04416J)Item Descriptions Cod

2-12 Samsung ElectronicsMINI 4 WAY Filter accessoryItem Descriptions Code-No. RemarkDust filter DB63-02739ABasic/Water washSLIM 1 WAY Filter accessor

Samsung Electronics 3-1Item Remarks+SCREW DRIVERAdjustable Wrench(8mm, 10mm, 13mm)M6, M8 Hex WrenchQNecessary Tools3. Disassembly and Reassembly

3-2 Samsung ElectronicsNo Parts Procedure Remark1 Panel 1) Pull both hooks and take the grille downward. Two safety clips are mounted to the front gri

Contents11. Precautions ...

Samsung Electronics 3-3No Parts Procedure Remark6) Disassemble the bolts that are assembledwith the indoor unit at the 4 panel corners.7) Press the Ha

3-4 Samsung ElectronicsNo Parts Procedure Remark3 Bell-Mouth 1) Unscrew the screw fixed on the Bell-Mouth. (Use +Screw Driver)2) Push the B

Samsung Electronics 3-5No Parts Procedure Remark5 Drain Pump&Hose1) Remove the 2 fixed screws and disconnect the white drainage hose f

3-6 Samsung ElectronicsNo Parts Procedure Remark7 Fan & Motor1) Turn the hexangular nut attached to the top of the Fan counterclockwise t

Samsung Electronics 3-7No Parts Procedure Remark3) Remove the screw of the Cover Pipe that is used to fix the In/Out Pipe.

3-8 Samsung ElectronicsNo Parts Procedure Remark1 Panel &Filter(A type)1) Press the push button on the Grille to open.2) Separate 1 clip from

Samsung Electronics 3-9No Parts Procedure Remark6) Press the left and right hooks on the Panel to separate Panel from the Indoor Unit.Panel &Fil

3-10 Samsung ElectronicsNo Parts Procedure Remark4) Remove the induction Filter. (2EA) 5) Remove the Filter Guide. (2EA)6) Remove the 3 scre

Samsung Electronics 3-11No Parts Procedure Remark2 Drain Pan 1) Separate 5 fixing screws in the Drain Pan. (Use +Screw Driver.)2) Pull the Drain P

3-12 Samsung ElectronicsNo Parts Procedure Remark2) Separate 8 connecters on the PCB of the Indoor Unit.3) Separate the Control In from the Indoor

4-4 Troubleshooting by symptoms ...

Samsung Electronics 3-13No Parts Procedure Remark5 Heat Exchanger 1) Undo fixing screw in the Heat Exchanger. (Use +Screw Driver.)2) Separate the

3-14 Samsung ElectronicsNo Parts Procedure Remark3) Separate the Cross Fan from the Indoor Unit.7 Drain Pump 1) Separate fixing screw in the Cover

Samsung Electronics 3-153-2 Outdoor UnitQRC060DHXEA /RC071DHXEANo Parts Procedure Remark1 Common Work 1) Loosen 1 fixing screw of the Cover-Contro

3-16 Samsung ElectronicsNo Parts Procedure Remark 3) Loosen 2 screws fixed to assemble Control Box with Cabinet-Side RH.4) Loosen fixing screw

Samsung Electronics 3-17No Parts Procedure Remark6) Loosen fixing screws of the Cabinet Front.

3-18 Samsung ElectronicsNo Parts Procedure Remark2 Fan&Motor1) Detach the Nut Flange like the picture on the right side. (Turn counter clockwise

Samsung Electronics 3-19No Parts Procedure Remark3 ASS'Y Control Out 1) Detach several connectors from the ASS'Y Control Out.2) D

3-20 Samsung ElectronicsNo Parts Procedure Remark5 Compressor 1) Loosen the fixing nut and detach the Compressor Lead Wire.2) Disassemble the Felt

Samsung Electronics 3-21QRC026DHXEA/ RC035DHXEA/ RC052DHXEANo Parts Procedure Remark1 common work 1) loosen 1 pcs screw of cover control,and detach

3-22 Samsung ElectronicsNo Parts Procedure Remarkcommon work 4) loosen 7 screws to disassemble the cabi-right ,and detach it. 5)

Samsung Electronics 1-11. Precautions1-1 Precautions for the ServiceO Use the standard parts when replacing the electric parts. – Confirm the mo

Samsung Electronics 3-23No Parts Procedure Remark2 fan&motor 1) loosen 1 screw as indication and detached the fan. 2) loosen 4

3-24 Samsung ElectronicsNo Parts Procedure Remark3 assy control out 1) lossen fixing 1 screw from cover -control2) detach several connections from

Samsung Electronics 3-25No Parts Procedure Remark5 compressor 1) disconnect the compressor lead wire . 2)disassembly th

4-1 Samsung Electronics4. Troubleshooting4-1 Setting an indoor unit address and installation option4-1-1 The procedure of setting optionHigh Temp Butt

Samsung Electronics 4-24-1-2 The procedure of setting optionOption setting Status1. Setting SEG2, SEG3 optionPress Low Fan button(∨) to enter SEG2 va

4-3 Samsung ElectronicsThe procedure of setting option (cont.)Option setting Status12. Setting Cool mode Press Mode button to be change to Cool mode

Samsung Electronics 4-41. Check whether power is supplied or not. - When the indoor unit is not plugged in, there should be additional power supply i

4-5 Samsung Electronics1. Check whether power is supplied or not. - When the indoor unit is not plugged in, there should be additional power supply

Samsung Electronics 4-6Option SEG19 SEG20 SEG21 SEG22SEG23 (Mini 4 Way only)SEG24ExplanationPAGEIndividual control of a remote controller0 DisuseRESER

4-7 Samsung ElectronicsYou can change each digit of set option.Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6ExplanationPAGE MODEThe option mode you want to cha

1-2 Samsung Electronics1-3 Precautions related to product safetyO Do not pull the power cord and do not touch the power plug or aux power switch with

Samsung Electronics 4-84-1-6 Option code for each modelModel OPTION CODEACN026NDEHA 015077-1660F8-271A21-370000ACN035NDEHA 015077-166219-272328-370000

Samsung Electronics4-2 Items to check before diagnostics4-2-1 Four directions cassette typeError ModeCause MeasuresProduct operation with errorDiagnos

4-12 Samsung Electronics4-2-2 Test run mode and View modeQ Display Option KeyKEY KEY operation 7-segment displayK1Press once : Heating test runi[Compa

Samsung Electronics 4-134-2-3 ECO mode(Power save) ModeDisplay ECO mode lampSegment 1 Segment 2 Segment 3 Segment 4 RED colorECO mode i#-"/,w

4-14 Samsung ElectronicsError LED lamp DisplayCause Actions to takeOperation(Green)Defrost(Red)XX XXt#SFBLBXBZGSPNUIFSPPNUFNQFSBUVSFsensor conn

Samsung Electronics 4-15Error LED lamp DisplayCause Actions to takeOperation(Green)Defrost(Red)XX Xt0QUJPOTFUVQFSSPSPOQFSJQIFSBMTt$IFDLUIFTF

4-16 Samsung ElectronicsError LED lamp Display Product operation status in case of errorDiagnosis MethodIndoor unit FanOutdoor unit FanOutdoor unitCom

Samsung Electronics 4-174-2-5 Troubleshooting for outdoor unit If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, b

4-18 Samsung Electronics4-2-6 Wired remote controller- If an error occurs, ( ) icon will be displayed on the wired remote controller.- Press th

Samsung Electronics 4-19Wired remote controller (cont.)Error mode Contents MeasureProduct operation in error conditionError typeOutdoor unit/Compresso

Samsung Electronics 2-1Q Built-in Cassette TypeAfter installed, the air conditioner can be harmonized with a room interior.Q High Performance & En

4-20 Samsung ElectronicsIndoor unit displayX (Operation) (Defrost) X (Timer) X (Filter) SymptomIn case of open or short circuit of indoo

Samsung Electronics 4-21YesNoNoIn this case, is the resistance value out of range in the temperature table on the right?YesIs the indoor heat exchange

4-22 Samsung ElectronicsIndoor unit display X (Operation) X (Defrost) (Timer) X (Filter) SymptomIndoor unit fan does not run /Runs at e

Samsung Electronics 4-23Indoor unit display X (Operation) (Defrost) (Timer) X (Filter) SymptomCommunication error between the indoor

4-24 Samsung ElectronicsIndoor unit display X (Operation) X (Defrost) (Timer) (Filter) SymptomThe indoor unit floating sensor is open

Samsung Electronics 4-254-25If the operation failed again Replace the Main PBA Indoor unit display (Operation) (Defrost) (Timer) X

4-26 Samsung Electronics4-3-7 Outdoor unit is not powered on – Initial diagnosis 1. Check items 1) Is the power supply voltage 220V? 2) Is the AC p

Samsung Electronics 4-27YesOutdoor unit is not powered on – Initial diagnosis (cont.)YesConnect the reactorNoIs the reactor connector connected corre

4-28 Samsung Electronics4-4-1 Communication error 1. 1.Checklist : 1) Is the cable between the indoor unit and outdoor unit connected correctly?

Samsung Electronics 4-294-4-2 Outdoor temperature sensor error 1. 1.Checklist : 1) Is the cable between the indoor unit and outdoor unit connected c

2-2 Samsung ElectronicsITEMACN060NDEHA/EURC060DHXEAACN071NDEHA/EURC071DHXEAIMAGEIndoor UnitOutdoor UnitRemote ControllerPower Product 1Φ, 220~240V/50H

4-30 Samsung Electronics 4-4-2-2. Troubleshooting procedure (PF3)YesReconnect the sensor connector.Micom error or connector checkNoIs the sensor res

Samsung Electronics 4-314-4-3 Outdoor Coil temperature sensor error 1.Checklist : 1) Is the sensor connected correctly? 2) Is the sensor pl

4-32 Samsung Electronics 4-4-3-2. Troubleshooting procedure (PF3)YesReconnect the sensor connector.Micom error or connector checkNoIs the sensor res

Samsung Electronics 4-334-4-4 Outdoor Discharge temperature sensor error 1.Checklist : 1) Is the sensor connected correctly? 2) Is the sensor

4-34 Samsung ElectronicsSensor Replace Sensor resistance value : 20°C - 242kohm

Samsung Electronics 4-354-4-5 Outdoor Discharge over temperature error 1.Checklist : 1) Check the discharge temperature in the outdoor unit 2

4-36 Samsung Electronics4-4-6 Outdoor Fan motor error 1.Checklist : 1) Are the input power voltage and the power connection correct? 2) Is th

Samsung Electronics 4-374-4-7 Compressor starting error 1.Checklist : 1) Is the connection of cable for the compressor? 2) Is the compressor

4-38 Samsung Electronics4-4-8 Compressor wire missing error/rotation error 1.Checklist : 1) Is the connection of cable for the compressor? 2)

Samsung Electronics 4-394-4-9 O.C(Over Current) error 1.Checklist : 1) Is the IPM Shunt(PF2:R451,R452,R453,PF3:R413,R414,R415) resistance value corr

Samsung Electronics 2-3ITEMACN026NDEHA/EURC026DHXEAACN035NDEHA/EURC035DHXEAACN052NDEHA/EURC052DHXEAIMAGEIndoor UnitOutdoor UnitRemote ControllerPower

4-40 Samsung Electronics4-4-10 DC_link voltage sensor error 1.Checklist : 1) Is the input voltage of outdoor terminal block is normal? 2) Is

Samsung Electronics 4-414-4-11 DC_link voltage under/over error, Over voltage protection error/PFC over load 1.Checklist : 1) Is the input voltage of

4-42 Samsung Electronics4-4-12 DC_link voltage sensor error 1.Checklist : 1) Is the PFC Shunt(PF2:R062,R063,PF3:R807,R808,R809) resistance value cor

Samsung Electronics 4-434-4-13 Current sensor error/Input current sensor error 1.Checklist : 1) Is the PFC Shunt(PF2:R062,R063,PF3:R807,R808,R809)

4-44 Samsung Electronics4-4-14 Heatsink sensor error/Heatsink over heat 1.Checklist : 1) Are there screws assembly in PBA-heatsink? 2) Is

Samsung Electronics 4-454-4-15 Comp Vlimit error/Comp current limit error 1.Checklist : 1) Is the PFC Shunt(PF2:R062,R063,PF3:R807,R808,R809) resist

4-46 Samsung Electronics4-4-16 EEPROM error/OTP error 1.Checklist : 1) Is there a short around micom? 2) Is there a short around IC202(

Samsung Electronics 4-474-4-17 AC zero cross signal error 1.Checklist : 1) Check the power condition at customer's house (Is there any po

4-48 Samsung Electronics4-4-18 Operation condition secession error 1.Checklist : 1) Check the temperature around the outdoor unit. 2. Troubles

Samsung Electronics 4-494-4-19 Capacity miss match error 1.Checklist : 1) Check the Btu between indoor and outdoor unit 2) Check the ind

2-4 Samsung ElectronicsITEMNS0261DXEARC026DHXEANS0351DXEARC035DHXEAIMAGEIndoor UnitOutdoor UnitRemote ControllerPower Product 1Φ, 220~240V/50Hz 1Φ, 22

4-50 Samsung Electronics4-4-20 Gas leak error 1.Checklist : 1) Is the position of indoor Eva_in sensor normal? 2) Check the pipe crack

Samsung Electronics 4-514-4-21 MDS Error Flow chartNoNoNoNoNoMDS Function On$IFDLJTTFHTFUUPiwJOPQUJPOcodeCheck the wire connectionCheck t

5-1 Samsung ElectronicsMain power inputFloat switchBLDC fanEarth wire① 1(L):Phase L2(N):Phase N② #1:DC310V#2:Not used#3:AGND#4:DC15V#5:FAN RPM#6:RPM

Samsung Electronics 5-2① #1 : DC 12V #2~5 : LED control signal #6 : Remocon signal out #7~8 : Not used #9 : Remocon signal IN #10: GND #11: DC 5V C

5-3 Samsung Electronics5-1-3 SLIM 1 WAY Indoor Unit 1. CN75-Ventilator Output#1 : POWER(N)#3 : POWER(L)2. CN74-Ventilator Output#1 : POWER(N)#3 : POWE

Samsung Electronics 5-45-1-4 Outdoor Unit PCB Outdoor Unit PCB (cont.) Q Main PCB ① OLP /COND THERMISTOR CONNECTOR SMAW250A04 WHT② OUT/DISCHAR

Samsung Electronics 5-5Outdoor Unit PCB (cont.) Q Sub PCB ① 12V POWER CONNECTOR YW39602V BLU② MAIN SUB SIGNAL CONNECTOT SMW25004 WHT③ MAIN

6-1 Samsung Electronics6. Wiring Diagram6-1 Indoor UnitThis Document can not be used without Samsung’s authorization.6-1-1 MINI 4 WAY Indoor Unit

Samsung Electronics 6-2This Document can not be used without Samsung’s authorization.6-1-2 SLIM 1 WAY Indoor Unit

6-3 Samsung ElectronicsQOutdoor Unit : RC026DHXEA/ RC035DHXEA/ RC052DHXEA6-2 Outdoor UnitThis Document can not be used without Samsung’s authorizatio