Samsung JH052EAV1 Service Manual
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Samsung JH052EAV1 Service Manual

System air conditioner
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AIR CONDITIONER
AC026FBJDEH/EU
AC026FBJDEH/EU
AC035FBJDEH/EU
AC035FBJDEH/EU
AC052FBJDEH/EU
AC052FBJDEH/EU
AC026FCADEH/EU
AC035FCADEH/EU
AC052FCADEH/EU
Refer to the service manual in the GSPN(see the rear cover) for the more information.
SYSTEM AIR CONDITIONER
BASIC MODEL : JH052EAV1 / RC052DHXEA
MODEL : AC026FBJDEH / AC026FCADEH
AC035FBJDEH / AC035FCADEH
AC052FBJDEH / AC052FCADEH
MODEL CODE :
AC026FBJDEH / EU / AC026FCADEH / EU
AC035FBJDEH / EU / AC035FCADEH/ EU
AC052FBJDEH/ EU / AC052FCADEH/ EU
CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly

4. Troubleshooting

5. PCB Diagram
6. Wiring Diagram
7. Schematic Diagram
8. Reference Sheet

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  • Page 1: Troubleshooting

    SYSTEM AIR CONDITIONER BASIC MODEL : JH052EAV1 / RC052DHXEA MODEL : AC026FBJDEH / AC026FCADEH AC035FBJDEH / AC035FCADEH AC052FBJDEH / AC052FCADEH MODEL CODE : AC026FBJDEH / EU / AC026FCADEH / EU AC035FBJDEH / EU / AC035FCADEH/ EU AC052FBJDEH/ EU / AC052FCADEH/ EU...

  • Page 2: Table Of Contents

    Contents 11. Precautions ..................................................1-1 Precautions for the Service ................1-2 Precautions related to static electricity and PL ................... 1-3 Precautions related to product safety ..........................1-4 Other precautions 12. Product Specifications ..............................................2-1 The Feature of Product ........................
  • Page 3 4-4 Troubleshooting by symptoms ..........................4-23 ......................4-4-1 Communication error 4-23 ..................4-4-2 Outdoor temperature sensor error 4-24 4-4-3 Outdoor Coil temperature sensor error ....................4-26 4-4-4 Outdoor Discharge temperature sensor error ..............4-28 ..............4-4-5 Outdoor Discharge over temperature error 4-30 4-4-6 Outdoor Fan motor error ........................

  • Page 4: Precautions

    Check whether the installation location is at least two meters away from other electronic products such as TV, video, or audio. – Otherwise, the video quality might be degraded or noise might be generated. Do not let end users repair the products themselves. – Unauthorized disassembly might cause electric shock or fire. Samsung Electronics...

  • Page 5: Precautions Related To Product Safety

    – Release the high pressure and low pressure valve caps. – Close the high pressure valve completely using an L-wrench – After about two minutes, close the low pressure valve completely. – Stop running the air conditioner. – Separate the connecting pipe. Samsung Electronics...

  • Page 6: Product Specifications

    Floor standing type Air Conditioner, Powerful on floor heating & cooling. VIRUS DOCTOR Zone (Air cleaning solution) Samsung’s Micro Plasma Ion Zone is a technology that generates activated hydrogen and oxygen ions, which exterminates viruses and allergy-causing microbes in the air by neutralizing them and turning into water.

  • Page 7: Product Specifications

    Sound Power In case of Outdoor strongest air 'dBa blow Refrigerant(R410A) Liquid Ø 1/4" 1/4" Connecting Pipe Ø 3/8" 3/8" Additional Refrigerant(R410A) Chargeless Chargeless Standard Extension length(Total) Extension length(Elevation) Product 018077-1760B6-271A23-370210 018077-1760D8-272328-370210 Option Option Code Installation 020000-100000-200000-300000 020000-100000-200000-300000 Option Samsung Electronics...
  • Page 8 'dBa blow Sound Power In case of Outdoor strongest air 'dBa blow Refrigerant(R410A) 1400 Liquid Ø 1/4" Connecting Pipe Ø 1/2" Additional Refrigerant(R410A) Standard Extension length(Total) Extension length(Elevation) Product 018077-1760F9-273438-370210 Option Option Code Installation 020000-100000-200000-300000 Option Samsung Electronics...
  • Page 9 2-3 Product Accessories and Option accessories Product Accessories Item Descriptions Code-No. Q'TY Remark User’s DB68-03441A manual Installation DB68-03439A manual Installation DB98-29840A guide Insulation B62-05580V install out DB62-05691C Insulation install SVC Basic/ Indoor DB65-10088C Cable-tie Wireless remote control DB93-11115N Battery 4301-000121 Bracket DB61-03708A hanger Samsung Electronics...

  • Page 10: Accessories

    Option Wireless remote controller (MR-DH00) [Code No. : DB97-17546B] Item Descriptions Code-No. Q'TY Remark Wireless remote controller DB93-11115N Batteries for remote controller DB47-90024A (specification: "AAA" type) Remote controller holder DB61-04899A Optional M4×16 screw 6002-000581 User’s manual DB98-33129A Samsung Electronics...
  • Page 11 Option accessories (cont.) Wired remote controller (MWR-WE10) [Code No. : DB97-17002B] Item Descriptions Code-No. Q'TY Remark Wired remote controller DB93-11251B Cable tie DB65-10088B Cable clamp DB65-10074E Optional M4×16 Screw 6002-000474 User’s manual DB98-32810A Installation guide DB98-32811A Samsung Electronics...
  • Page 12 Option accessories (cont.) Central controller (MCM-A202D) [Code No. : DB97-18602B] Item Descriptions Code-No. Q'TY Remark Central controller DB93-03425N Cable tie DB65-10088B Cable clamp DB65-10074E Optional M4 X 16 Screw 6002-000474 User’s manual DB98-33437A Installation guide DB98-33434A Samsung Electronics...
  • Page 13 Function controller (MCM-A100) [Code No. : DB97-01077A] Item Descriptions Code-No. Q'TY Remark Function controller DB93-00757G Cable tie DB65-10088B Cable clamp DB65-10074E Optional M4×16 Screw 6002-000474 User’s manual DB98-27317A Installation guide DB98-27315A * PC control and DMS cannot be used when using the function controller Samsung Electronics...
  • Page 14 (300mm) Relay communication cable DB39-00253B (300mm) Relay (MIM-B13E) [Code No. : DB97-04416J) Item Descriptions Code-No. Q'TY Remark Relay DB93-03568D Relay sub DB93-03590B Relay power cable DB93-07895A Optional (1,000mm) Relay power cable DB93-07895B (1,000mm) Relay communication cable DB93-12164A (100mm) Samsung Electronics...
  • Page 15 Filter accessory Item Descriptions Code-No. Remark Basic/ Dust filter DB63-02739A Water wash 2-10 Samsung Electronics...

  • Page 16: Disassembly And Reassembly

    3. Disassembly and Reassembly Necessary Tools Item Remarks +SCREW DRIVER Adjustable Wrench (8mm, 10mm, 13mm) M6, M8 Hex Wrench Samsung Electronics...

  • Page 17: Indoor Unit

    AC026FBJDEH/EU/ AC035FBJDEH/EU/ AC052FBJDEH/EU Parts Procedure Remark Cabi Parts Open the Panel Front( ). Remove the Clip Wire( ). 2) Release 4 screws on the Body Front( ). 3) Open the Body Front( ) by pulling from bottom of the part. Samsung Electronics...
  • Page 18 Parts Procedure Remark Electrical Parts 1) Open the cover of Control Box ). 2) Pull the PBA out along the slide guide. Cut the Cable tie. Pull all wires out from the PBA. Samsung Electronics...
  • Page 19 (one is top of the C-Box, the other is left of it) 6) Release 2 Hold Wires and pull all wires out from it . Blowing 1) Pull the Bracket Pipe( )out. & Evap Part 2) Release 2 screws and pull Top Discharge Kit( ) out. Samsung Electronics...
  • Page 20 . This part is right side of the Bottom Discharge Kit( ). 5) Pull Bottom Discharge Kit( ) Out from the bottom of it. 6) Release 3 screws and pull the Evap out from top to bottom direction. Samsung Electronics...
  • Page 21 3) Release 6 screw on the Body Back( ). Pull the Cap VIRUS DOCTOR( ), Bracket Wire( ) and Bracket Motor( ) out. 4) Pull the VIRUS DOCTOR Kit( ) and Motor( ) out from the Body Back( ). Samsung Electronics...

  • Page 22: Outdoor Unit

    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. Samsung Electronics...
  • Page 23 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. Samsung Electronics...
  • Page 24 Procedure Remark 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. Samsung Electronics...
  • Page 25 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. 3-10 Samsung Electronics...
  • Page 26 Parts Procedure Remark compressor 1) disconnect the compressor lead wire . 2)disassembly the felt comp sound. loosen the 3 bolts at the bottom of Samsung Electronics 3-11...

  • Page 27: Setting An Indoor Unit Address And Installation Option

    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 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Samsung Electronics...

  • Page 28: The Procedure Of Setting Option

    11. Setting SEG14, SEG15 option Press Low Fan button( ) to enter SEG14 value. ∨ Press High Fan button( ) to enter SEG15 value. ∧ Each time you press the button, will be selected in rotation. … SEG14 SEG15 Samsung Electronics...

  • Page 29: The Procedure Of Setting Option

    Step 5. Check operation 1. Reset the indoor unit by pressing the RESET button of indoor unit or outdoor unit. 2. Take the batteries out of the remote controller and insert them again and then press the operation button. Samsung Electronics...

  • Page 30: Setting An Indoor Unit Address (Main/Rmc)

    Example) If you want to set as "MAIN : 3, CHANNEL : 1, RMC : B", SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 assign option codes except SEG 1, 7 which are page options. Samsung Electronics...

  • Page 31: Setting An Indoor Unit Installation Option (Suitable For The Condition Of(Each Installation Location)

    Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details Thermo Disuse Disuse Use of buzzer 1000 Hour Indication ON/OFF Details Control Operation Non use 2000 of buzzer Hour Control Samsung Electronics...
  • Page 32 : 2000hr", SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 assign option codes except SEG 1, 7, 13, 19 which are page options. Samsung Electronics...

  • Page 33: Changing A Particular Option

    SEG3 SEG4 SEG5 SEG6 The option The tens’ digit of The unit digit of The changed Explanation PAGE MODE mode you want an option SEG an option SEG value to change you will change you will change Indication Samsung Electronics...

  • Page 34: Option Code For Each Model

    4-1-6 Option code for each model Model OPTION CODE ACN26FBJDEH 018077-1760B6-271A23-370210 ACN35FBJDEH 018077-1760D8-272328-370210 ACN52FBJDEH 018077-1760F9-273438-370210 Samsung Electronics...
  • Page 35 2. Outdoor unit error unit Main-Inverter Micom(After 1 minute of (Display is unrelated with Main-Inverter detection) operation) Flickering X Off If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
  • Page 36 EEPROM error EEPROM option error VIRUS DOCTOR no feedback Error Flickering X Off If you turn off the air conditioner when the LED is flickering, the LED is also turned off. : On : Blink X : Off Samsung Electronics 4-10...

  • Page 37: Test Run Mode And View Mode

    2 : Down Protection control 1 : heating 2 : non-stop 3 : Up_limit defrosting 4 : Sown_limit 3 : over-load 4 : discharge Group address of indoor heat Three digits Two digits One digit exchanger S/W check 4-11 Samsung Electronics...

  • Page 38: Eco Mode(Power Save)

    4-2-3 ECO mode(Power save) ECO mode lamp : RED Display ECO mode lamp Mode Segment 1 Segment 2 Segment 3 Segment 4 RED color ECO mode Exit ECO mode Press K3 to exit Samsung Electronics 4-12...

  • Page 39: Troubleshooting For Outdoor Unit

    Check Outdoor Inverter PBA E500 IPM is over heated. Check Outdoor Inverter PBA E554 GAS Leak error Check indoor and outdoor unit model E556 Capacity miss match between indoor and outdoor Check indoor and outdoor unit model 4-13 Samsung Electronics...

  • Page 40: Wired Remote Controller

    Operation Off protection of the compressor control error Check the input power Outdoor unit [Inverter] Total current error/PFC over Check the coolant charging status Operation Off protection current error Check the normal operation of outdoor fan control error Samsung Electronics 4-14...

  • Page 41: Wired Remote Controller

    Wired remote Normal operation error COM2 terminal of the indoor unit controller error Wired remote controller COM2 Wired remote Check that Com1, Com2 setting DIP switch is set to Com2 Normal operation option setting error controller error 4-14 Samsung Electronics...

  • Page 42: Troubleshooting By Symptoms

    Temp. (°C) (KΩ) 5.800 6.900 At that time, does the resistance value deviate from the 8.300 temp. table beside? 10.00 12.10 Indoor temp. sensor 14.70 self-defect (replacement) 18.00 Resume operation after replacing PCB 22.00 28.30 33.90 42.30 Samsung Electronics 4-15...

  • Page 43: Indoor Heat Exchanger Temperature Sensor (Open/Short)

    (KΩ) 5.800 6.900 At that time, does the 8.300 resistance value deviate from the temperature 10.00 table beside? 12.10 Indoor Heat Exchange temp. 14.70 sensor 18.00 self-defect (replacement) Resume operation after replacing PCB 22.00 28.30 33.90 42.30 4-16 Samsung Electronics...

  • Page 44: Indoor Fan Error

    Is Motor connector disconnected from the PCB? Resume operation after connecting to the connector PCB Is there any clogging (binding) of foreign substances in the MotorFan? Resume operation after removing the foreign substances. Resume operation after replacing PCB Samsung Electronics 4-17...

  • Page 45: Communication Error After Completion Of Tracking

    PCB and connector After reconnecting the communication line that links outdoor and indoor units, remove communication connector in the indoor PCB. If communication does not work during operation, replace PCB of the indoor unit. Good defect +0.7V -0.7V 4-18 Samsung Electronics...

  • Page 46: Eeprom Circuit Part Defect

    (necessary component missing in EEPROM circuit part/ damage/ soldering defect) Resume operation after repairing it according to P8-2 circuit diagram’s EEPROM part, P6~6-10 component list. If problem occurs during re-operation, replace PCB Resume operation after replacing PCB Samsung Electronics 4-19...
  • Page 47 PCB Measure the amount of Ion with tester. VIRUS DOCTOR Kit Tester: ITC201A 100,000. HE NUMBER OF MEASURED ON IS MORE THAN Normal operation Change the VIRUS DOCTOR Kit (it’s out of the work) 4-20 Samsung Electronics...

  • Page 48: Outdoor Unit Is Not Powered On

    Is the voltage between Replace the inverter PBA the terminal 2 (~) and 4 (~) of the bridge diode 220V? Is the fuse connected? Replace the fuse Replace the inverter PBA Is the resistance value of R001 200Ω? Cont. Samsung Electronics 4-21...
  • Page 49 Outdoor unit is not powered on – Initial diagnosis (cont.) Cont. Is the reactor connector Connect the reactor connected correctly? Replace the PBA. 4-22 Samsung Electronics...

  • Page 50: Troubleshooting By Symptoms

    Is the power is normal? Exchange the PBA of no power unit (check the LED Lamp Exchange the indoor unit PBA. Terminate the service. Is the communication error occurred again? Exchange the outdoor unit PBA. Samsung Electronics 4-23...

  • Page 51: Outdoor Temperature Sensor Error

    Connect the sensor to PBA connector (6pin) supply power and measure the voltage of #1-#2 in the connector Exchange the PBA of no power unit Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA 4-24 Samsung Electronics...
  • Page 52 Connect the sensor to PBA connector (4pin) supply power and measure the voltage of #1-#2 in the connector Exchange the PBA of no Ourdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 4-25...

  • Page 53: Outdoor Coil Temperature Sensor Error

    40°C - 5.83kohm Connect the sensor to PBA connector (6pin) supply power and measure the voltage of #5-#6 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA 4-26 Samsung Electronics...
  • Page 54 40°C - 5.83kohm Connect the sensor to PBA connector(4pin) supply power and measure the voltage of #3-#4 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 4-27...

  • Page 55: Outdoor Discharge Temperature Sensor Error

    40°C - 115kohm Connect the sensor to PBA connector (6pin) supply power and measure the voltage of #3-#4 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA 4-28 Samsung Electronics...
  • Page 56 40°C - 115kohm Connect the sensor to PBA connector(4pin) supply power and measure the voltage of #3-#4 in the connector Exchange the Outdoor PBA Below 0.5V or Over 4.5V? Micom error or connector check Exchange the Outdoor PBA Samsung Electronics 4-29...

  • Page 57: Outdoor Discharge Over Temperature Error

    Restart after power off Terminate the service Is the discharge over temperature sensor error appeared again? Download the EEPROM data Is the discharge over temperature sensor error Terminate the service appeared again? Exchange the Outdoor PBA Exchanged the Compressor 4-30 Samsung Electronics...

  • Page 58: Outdoor Fan Motor Error

    Is the voltage of CN901 #3-#5 and #3-#6 with in Exchange the Outdoor PBA 1Vdc~15Vdc during the operation? PBA problem or Motor problem Change the PBA first and check the operation Exchange the Fan motor Samsung Electronics 4-31...

  • Page 59: Compressor Starting Error

    Connect the comp wire normally Is the connection of compressor wire is normal? Download the EEPROM data Is the restart error occurred again? Terminate the service Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchanged the Compressor 4-32 Samsung Electronics...

  • Page 60: Compressor Wire Missing Error/Rotation Error

    Connect the comp wire normally Is the connection of compressor wire is normal? (PBA and Compressor) Is the restart error occurred again? Terminate the service Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchanged the Compressor Samsung Electronics 4-33...

  • Page 61: Over Current) Error

    Terminate the service occurred again? Correct the sensor position or exchange the Is the position of temperature sensor and sensor sensing value normal? Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchanged the Compressor 4-34 Samsung Electronics...

  • Page 62: Dc_Link Voltage Sensor Error

    Normal range(280Vdc~320Vdc) Is the DC_link sensing voltage(R104 or R004) is normal in Exchange the Outdoor PBA operation mode? Normal range (0.2Vdc~2.8Vdc) Exchange the Outdoor PBA Is the reactor insulation damaged? Exchange the Reactor Samsung Electronics 4-35...

  • Page 63: Dc_Link Voltage Under/Over Error, Over Voltage Protection Error/Pfc Over Load

    Check the input power mode? Normal range(280Vdc~320Vdc) Is the DC_link sensing voltage(R104 or R004) is normal in Exchange the Outdoor PBA operation mode? Normal range (0.2Vdc~2.8Vdc) Exchange the Outdoor PBA Is the reactor insulation damaged? Exchange the Reactor 4-36 Samsung Electronics...

  • Page 64: Dc_Link Voltage Sensor Error

    Correct the sensor position or exchange the Is the position of temperature sensor and the sensing value sensor normal? Is the connection cable for the compressor and Correct the cable connection power terminal normal? Exchange the Outdoor PBA Samsung Electronics 4-37...

  • Page 65: Current Sensor Error/Input Current Sensor Error

    3) Is there no short or open around IC451(PF2) or IC451,IC452(PF3)? 2. Troubleshooting procedure Restart after power off. Exchange the Outdoor PBA Is the PFC shunt and IPM shunt resistance value correct? Terminate the service Is the current sensor error appeared again? Exchange the Outdoor PBA 4-38 Samsung Electronics...

  • Page 66: Heatsink Sensor Error/Heatsink Over Heat

    4) Is the cover assembly in conrol-box normal? 2. Troubleshooting procedure Restart after power off. Fastening the screw Are there screws in PBA-heatsink? (4 screws) Check the fan connection Is the fan operation normal? Change the Fan motor Exchange the Outdoor PBA Samsung Electronics 4-39...

  • Page 67: Comp Vlimit Error/Comp Current Limit Error

    Terminate the service again? Correct the sensor position or exchange the Is the position of temperature sensor and sensing value normal? sensor Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchange the Outdoor PBA 4-40 Samsung Electronics...

  • Page 68: Eeprom Error/Otp Error

    3) Did you download or insert EEPROM IC, after changing outdoor PBA? 2. Troubleshooting procedure power off and download EEPROM data (or. Insert the service EEPROM IC) Restart after power off Terminate the service Is the error appeared again? Exchange the Outdoor PBA Samsung Electronics 4-41...

  • Page 69: Ac Zero Cross Signal Error

    1) Check the power condition at customer's house (Is there any power noise?) 2) Have been there power failure? 2. Troubleshooting procedure Restart after power off Is the AC line zero cross signal error appeared Terminate the service again? Exchange the Outdoor PBA 4-42 Samsung Electronics...

  • Page 70: Operation Condition Secession Error

    * Heating mode * * Cooling mode * Is the outdoor temperature over 40°C or under Is the outdoor temperature under °C? -30°C? The temperature condition is too poor to operate. Wait until temperature is changed Samsung Electronics 4-43...

  • Page 71: Capacity Miss Match Error

    Reset the option code again at indoor unit Is the capacity miss match error appeared Terminate the service again? Download the EEPROM data Terminate the service Is the capacity miss match error appeared again? Exchange the Outdoor PBA Exchange the Indoor PBA 4-44 Samsung Electronics...

  • Page 72: Gas Leak Error

    Is the EEV valve is operation? Change the EEV valve Check the sound of EEV valve after power on. Check the pipe crack. Is the pressure of refrigerant normal? Fill up the refrigerant. Exchange the Indoor PBA Exchange the Outdoor PBA Samsung Electronics 4-45...

  • Page 73: Mds Error Flow Chart

    MDS Function only can be set in wired remote controller or central controller. Error Message(Error message will be appeared after 3minutes) -Display Panel: Operation & filter LED is blinking at the same time,after indoor unit is power off. 4-46 Samsung Electronics...

  • Page 74: Pcb Diagram

    #1. DC 12V #2~#5. Control SIGNAL #2.Communication Signal F2 #2~#5.Communication Signal #1. Communication Signal F1 #2. Communication Signal F2 CN20-MICOM Download2 CN10-MICOM Download1 > For Developer,Not for field >For Developer, Not for field > 7pin Downloader >10pin Downloader Samsung Electronics...

  • Page 75: Display Pcb

    #1, #2, #3, #4, #5. >DISPLAY LED Control #6. TOUCH S/W Reset(DC 5V) connecting #7. TOUCH S/W Out(DC 5V) connector #8. REMOCON SIGNAL Receive #9. GND #10. VCC(DC 5V) 5-1-3 DAMPER PBA CN01-DAMPER S/W connecting #1. DC 5V connector #2. GND Samsung Electronics...

  • Page 76: Outdoor Unit Pcb

    ⑥ EEV-A CONNECTOR ⑦ OUT/DIS/COND CONNECTOR SMW250-06 BLU SMAW200-10P BLK ⑧ DOWNLOAD-MAIN CONNECTOR ⑨ CENTRAL-CTL CONNECTOR SMW200-05P WHT ⑩ BLDC-FAN CONNECTOR YW396-06V WHT SMAW200-10P RED ⑪ DOWNLOAD-INV CONNECTOR ⑫ COMP CONNECTOR DBT061-3P WHT DBT081-2P WHT ⑬ REACTOR CONNECTOR Samsung Electronics...
  • Page 77 Outdoor Unit PCB (cont.) Sub PCB AC026FCADEH/AC035FCADEH/AC052FCADEH ① EVAP THERMISTOR CONNECTOR SMW250-08 WHT ② EEV-B CONNECTOR SMW250-05 YEL ③ DISPLAY-MAIN CONNECTOR SMW200-28 WHT ④ 12V POWER CONNECTOR YW396-02AV BLU Samsung Electronics...

  • Page 78: Wiring Diagram

    6. Wiring Diagram 6-1 Indoor Unit Indoort door Unit : (AC026FBJDEH/EU/ AC035FBJDEH/EU/ AC052FBJDEH/EU) This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 79: Outdoor Unit

    6-2 Outdoor Unit Outdoor Unit : (AC026FCADEH/EU/ AC035FCADEH/EU/ AC052FCADEH/EU) This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 81 Operating Instructions and Installation 7-1-2 Damper This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 82 7-1-3 PCB Display This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 85: Reference Sheet

    Non Inv+Side+Tropical Temp DELUXE FRESH AIR INTAKE STANDARD+ Non Inv+Top+Tropical Temp STANDARD DUCT TROPICAL+MODULE CEILING CONCEILED STANDARD+GENERAL DUCT Temp.+NON MODULE CEILING CONSOLE FLOOR MOUNTING Samsung Electronics ※ "/" can be removed from the buyer card if there are not enough digits.

  • Page 86: Refrigerating Cycle Diagram

    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 overload the compressor.) Samsung Electronics...

  • Page 87: Pressure Graph

    32/23 27/19 27/1 21/15 Outdoor Temp.(°C) Heating Heating 35.0 Indoor (°C) 28/18 27/19 20/15 Outdoor(°C) 30.0 34.3 34.0 30.6 29.8 29.5 26.6 25.0 25.4 25.1 22.6 32/2 28/18 20.0 27/19 24.2 24.0 21.6 27/1 20/15 15.0 Outdoor Temp.(°C) Samsung Electronics...
  • Page 88 China china.samsungportal.com © Samsung Electronics Co., Ltd. Sep. 2012. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in China. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. DB68-03444A...

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