Samsung AC026KNADEH Service Manual
  1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Air Conditioner
  5. AC026KNADEH
  6. Service manual

Samsung AC026KNADEH Service Manual

System air conditioner
Hide thumbs Also See for AC026KNADEH:
Table of Contents

Advertisement

Quick Links

See also: User Manual
AIR CONDITIONER
AC026KNADEH
AC035KNADEH
AC071KNADEH
AC026JXSCEH
AC035JXSCEH
Refer to the service manual in the GSPN(see the rear cover) for the more information.
SYSTEM AIR CONDITIONER
Model Code :
1. Precautions

2. Product Specifications

3. Disassembly and Reassembly

4. Troubleshooting

5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
AC071JXSCEH
Indoor Unit
Model : AC026KNADEH
AC035KNADEH
AC071KNADEH
AC026KNADEH/EU
AC035KNADEH/EU
AC071KNADEH/EU
CONTENTS
Outdoor Unit
AC026JXSCEH
AC035JXSCEH
AC071JXSCEH
AC026JXSCEH/EU
AC035JXSCEH/EU
AC071JXSCEH/EU

Advertisement

Table of Contents
loading

Related Manuals for Samsung AC026KNADEH

Summary of Contents for Samsung AC026KNADEH

  • Page 1: Product Specifications

    SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit Model : AC026KNADEH AC026JXSCEH AC035KNADEH AC035JXSCEH AC071KNADEH AC071JXSCEH Model Code : AC026KNADEH/EU AC026JXSCEH/EU AC035KNADEH/EU AC035JXSCEH/EU AC071KNADEH/EU AC071JXSCEH/EU AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly AC026KNADEH AC035KNADEH 4. Troubleshooting AC071KNADEH 5.

  • 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 2-2 Product Specifications ........................
  • Page 3 4-4-9 O.C(Over Current) error ........................4-29 4-4-10 DC_link voltage sensor error ......................4-30 4-4-11 DC_link voltage under/over error, Over voltage protection error/PFC over load ..4-31 4-4-12 DC_link voltage sensor error ......................4-32 4-4-13 Current sensor error/Input current sensor error ..............4-33 4-4-14 Heatsink sensor error/Heatsink over heat .................

  • 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

    With the advanced BLDC inverter technology, it makes a room cool with highly energy saving and arises the efficiency of 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 Product(Lead-Free, ROHS, WEEE)  Easy installation of ultra-lightweight indoor unit Samsung Electronics...

  • Page 7: Product Specifications

    2-2 Product Specifications AC026KNADEH/EU AC035KNADEH/EU ITEM AC026JXSCEH/EU AC035JXSCEH/EU Indoor Unit Outdoor Unit IMAGE Remote Controller Power Product 1Φ, 220-240V/50Hz 1Φ, 220-240V/50Hz Indoor L x H x D 896*261*261 896*261*261 Outdoor L x H x D 790*285*548 790*285*548 Indoor Product kg(Net) 11.0...
  • Page 8 51/51 Noise blow (Cooling/ In case of strongest air Heating) Outdoor unit 58/60 blow Refrigerant (R410A) 2900 Liquid 9.52 Connecting Pipe 15.88 Additional Refrigerant (R410A) Standard Extension length(Total) Extension length(Elevation) Product 01026C-19547F-274750-371700 Option Option Code Installation 020000-100000-200100-300000 Option Samsung Electronics...

  • Page 9: Accessories

    User’s & Installation Manual DB68-06254A Essential Offer (Indoor Unit) DB61-06087A Remote Control Holder M4 x 16 Tapped Screws 6002-000234 DB67-01404B Cap Screws CARD WARRNATY DB68-02596B Drain Plug DB67-20011A Essential Offer (Outdoor Rubber Leg DB67-01533A Unit) ASSY-INSTALLATION DB68-05400A MANUAL Samsung Electronics...

  • Page 10: 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 11: Indoor Unit

    3-1 Indoor unit  AC026KNADEH / AC035KNADEH / AC071KNADEH Parts Procedure Remark PANEL-FRONT 1) Stop the driving of air conditioner and shut off main power supply. 2) Detach FILTER PRE from the PANEL FRONT. 3) Cover Panel is assembled on bottom of indoor unit as shown in the figure.
  • Page 12 5) Separate the hook after pushing both end of Cover Panel as shown in the figure. (Watch out for the damage of the hook) 6) Raise front part upward obliquely as shown in the figure and then remove the hooks. Samsung Electronics...
  • Page 13 Assembly of Cover Panel after service end. - Reassembly is in the reverse order of the removal. - Piping and drain hose must be careful not to damage and Progress must be done with both hands. Hook (Side) Hook (Center) Screw Cap Screw Samsung Electronics...
  • Page 14 4 HOOK Structures. When separate the hook : Use the (-) screw Driver. (-)Screw Driver Insert the hook and then pull the hook as shown on the right side. (Watch out for the damage of the hook) Samsung Electronics...
  • Page 15 Parts Procedure Remark 9) Remove the Panel Frame from the Main Frame as shown on the right side. Samsung Electronics...
  • Page 16 2) Lossen Stepping Motor, EEV, Display, Sensor, SPI, Fuse Wire. Caution: When you separate the connector, pull pressing the locking button. 3) Lossen Motor, Terminal Wire. Caution: When you separate the connector, pull pressing the locking button. 4) Loosen Earth Wire. Samsung Electronics...
  • Page 17 9) Take off the CASE-CONTROL from the main frame after loosen the remaining connector. Caution: When you separate the connector, pull pressing the locking button. TRAY DRAIN 1) To detach TRAY-DRAIN from the main frame, pull the bottom of the TRAY-DRAIN towards you. Samsung Electronics...
  • Page 18 2) Unfasten the screw at the left side. (use + Screw Driver) 3) Unfasten the screw at the right side. (use + Screw Driver) 4) To detach Evaporator from the main frame, pull the bottom of the Evaporator towards you. Samsung Electronics...
  • Page 19 FAN MOTOR 1) Unfasten the screw. (use + Screw Driver) & CROSS FAN 2) Detach the FAN Motor case. 3) Unfasten the screw a little. (use + Screw Driver) 4) Pull the CROSS-FAN to the left side. 3-10 Samsung Electronics...

  • Page 20: Outdoor Unit

    1) Loosen 1 pcs screw of cover control,and detach it. 2) Loosen 5 pcs screws on both right and left cabinet side edges and to detach the cover-top 3) Loosen 7 screws fixed to disassemble cabi-front , and detach it. Samsung Electronics 3-11...
  • Page 21 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. 3-12 Samsung Electronics...
  • Page 22 Remark fan&motor 1) Loosen 1 screw as indication and detached the fan. 2) Loosen 4 pcs motor screws and disconnect the wire between assy control out and motor. 3) Loosen 2 pcs bracket-motor screw and detach it. Samsung Electronics 3-13...
  • Page 23 Heat exchanger 1) Release the refrigerant at first 2) Loosen fixing screw on both side. 3) Disassemble the pipes in both inlet and outlet with welding torch. 4) Detach the heat exchanger. 3-14 Samsung Electronics...
  • Page 24 Parts Procedure Remark compressor 1) Disconnect the compressor lead wire . 2)Disassembly the felt comp sound. loosen the 3 bolts at the bottom of compres sor. Samsung Electronics 3-15...
  • Page 25 Cabi Install Front 1) Unscrew and remove 1 screw in the Cabinet-Install Front. (Use +Screw Driver) Guard Cond 1) Pull the sensor from Guard Cond. 2) Unscrew and remove 4 screws in the Guard Cond. (Use +Screw Driver) 3-16 Samsung Electronics...
  • Page 26 Cabinet Back RH. (Use +Screw Driver) Cabi Install Back 1) Unscrew and remove 1 screw in the Cabinet-Install Back. (Use +Screw Driver) Cabi Front LF 1) Unscrew and remove 10 screws in the Cabinet-Front LF. (Use +Screw Driver) Samsung Electronics 3-17...
  • Page 27 2) Remove the Cover from the Fan Propeller 3) Turn 2 mounting nuts as shown in the picture and remove it. (Use Adjustable Wrench) When you assemble the Fan Propeller and the Cover, must check the rib in the hole. 3-18 Samsung Electronics...
  • Page 28 1) Unscrew and remove 2 mounting screws in Bracket Motor. (Use +Screw Driver) Heater 1) Unscrew and remove 4 screws on the Base Out. (Use +Screw Driver) 2) Disconnect the heater wire from the Ass'y Control Out. Samsung Electronics 3-19...
  • Page 29 Coolant inside the Compressor completely and remove the pipe with a welding flame. Assy EEV Valve 1) Unscrew and remove 2 mounting screws in Service Valve. (Use +Screw Driver) 2) Separate the pipe from the Entrance/ Exit using a welder. 3-20 Samsung Electronics...

  • Page 30: Troubleshooting

    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, SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 On(SEG1~12) Off (SEG13~24) SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Samsung Electronics...
  • Page 31 Press Mode button to be changed to AUTO mode in the OFF status. 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 32 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 33 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 34 S-Plasma ion Buzzer control external control filter Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details Disuse Thermo on Disuse 1000 Hour ON/OFF Indication Control and Details Operation OFF Control 2000 Hour Disuse WINDOW Control Samsung Electronics...
  • Page 35 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 36: Changing A Particular Option

    SEG3 SEG4 SEG5 SEG6 The tens’ digit of an The unit digit of an The option mode Explanation PAGE MODE option SEG you will option SEG you will The changed value you want to change change change Indication Samsung Electronics...
  • Page 37 14. Simultaneous opening of cooling/heating MCU SOL valve E180 (1st detection) 15. Simultaneous opening of cooling/heating MCU SOL valve E181 (2nd detection) Other outdoor unit self-diagnosis error that is not on the above list EEPROM error E162 EEPROM option error E163 Samsung Electronics...

  • Page 38: Troubleshooting For Outdoor Unit

    PFC Overload Error 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 Samsung Electronics...

  • Page 39: Indoor Temperature Sensor (Open/Short)

    In this case, is the resistance 8.300 value out of range in the temperature table on the right? 10.00 12.10 Indoor temperature sensor 14.70 failure (replace) 18.00 Restart the system after replacing the PCB 22.00 28.30 33.90 42.30 4-10 Samsung Electronics...
  • Page 40 In this case, is the resistance 8.300 value out of range in the temperature table on the right? 10.00 12.10 Failure of the indoor heat 14.70 exchanger temperature sensor (replace) 18.00 Restart the system after replacing the PCB 22.00 28.30 33.90 42.30 Samsung Electronics 4-11...
  • Page 41 PCB? Connect the connector to PCB and restart the unit Is there foreign substance stuck in the motor fan? Remove the foreign substance and restart the unit Replace the PCB and restart the unit 4-12 Samsung Electronics...
  • Page 42 PCB and replace the PCB Reconnect the cable connecting the outdoor unit to the indoor unit and restart the unit. If the communication still doesn’t work, replace the indoor unit PCB. Good +0.7V -0.7V Samsung Electronics 4-13...
  • Page 43 Is the terminal voltage around AC 220V? Is the water level in drain pan decreasing? Replace the drain pump Replace the indoor unit PCB Normal operation •   F loatsensorerrorisclearedonly Replace the drain pump when the indoor power is reset 4-14 Samsung Electronics...
  • Page 44 EEPROM component failure, EEPROM circuit parts missing/damaged/soldering failure Are the EEPROM circuit components in good conditions? (missing components / damage / soldering failure) Replace the PCB if the restart fails Restart the unit after replacing the PCB Samsung Electronics 4-15...
  • Page 45 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. 4-16 Samsung Electronics...
  • Page 46 Outdoor unit is not powered on – Initial diagnosis (cont.) Cont. Is the reactor connector Connect the reactor connected correctly? Replace the PBA. Samsung Electronics 4-17...

  • Page 47: Communication Error

    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. 4-18 Samsung Electronics...

  • Page 48: 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 Samsung Electronics 4-19...
  • Page 49 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 4-20 Samsung Electronics...

  • Page 50: 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 Samsung Electronics 4-21...
  • Page 51 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 4-22 Samsung Electronics...

  • Page 52: 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 Samsung Electronics 4-23...
  • Page 53 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 4-24 Samsung Electronics...

  • Page 54: Outdoor Discharge Over Temperature Error

    Restart after power off Is the discharge over temperature sensor error Terminate the service 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 Samsung Electronics 4-25...

  • Page 55: 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 4-26 Samsung Electronics...

  • Page 56: 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 Samsung Electronics 4-27...

  • Page 57: 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 4-28 Samsung Electronics...

  • Page 58: 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 Samsung Electronics 4-29...

  • Page 59: 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 4-30 Samsung Electronics...

  • Page 60: 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 Samsung Electronics 4-31...

  • Page 61: 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 4-32 Samsung Electronics...

  • Page 62: 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 Samsung Electronics 4-33...

  • Page 63: Heatsink Sensor Error/Heatsink Over Heat

    4) Is the cover assembly in control-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 4-34 Samsung Electronics...

  • Page 64: Comp Vlimit Error/Comp Current Limit Error

    Terminate the service again? Is the position of temperature sensor and Correct the sensor position or exchange the sensing value normal? sensor Is the compressor body and interphase Exchange the Outdoor PBA resistance insulated? Exchange the Outdoor PBA Samsung Electronics 4-35...

  • Page 65: 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 4-36 Samsung Electronics...

  • Page 66: 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 Samsung Electronics 4-37...

  • Page 67: 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 4-38 Samsung Electronics...

  • Page 68: 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 Samsung Electronics 4-39...

  • Page 69: 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 4-40 Samsung Electronics...

  • Page 70: Pcb Diagram

    5. PCB Diagram 5-1 PCB Diagram 5-1-1 Indoor Unit PCB (AC026KNADEH / AC035KNADEH / AC071KNADEH) Main PBA Samsung Electronics...
  • Page 71 #1~2 : COMMUNICATION SIGNAL #3~4 : SUB PBA SIGNAL #5 : EXTERNAL CONTROL SIGNAL #6 : COMP CHECK SIGNAL #7 : ERROR CHECK SIGNAL #8 : DC 5V #9 : GND #10 : DC 12V #11~14 : COMMUNICATION SIGNAL Samsung Electronics...
  • Page 72 ■ Sub PCB ① CN1-2WIRES COMM. #1,#2,#19,#20:COMM. SIGNAL #3,#18:EXTERNAL CONTROL #4,#17:COMP CHECK #5,#16:ERROR CHECK #6:VCC(DC5V) #7,#14:GND #8,#13,#15:DC12V #9~#12:COMM. SIGNAL Samsung Electronics...

  • Page 73: Outdoor Unit Pcb

    SUB PBA POWER:SMW200-05P BLK EEVA:SMW250-05 RED COMP:DBT061-3P WHT SMPS: SMW250-03 BLU EEPROM:B7P-MQ WHT TEMP SENSOR: SMW200-08P WHT MAIN DOWNLOAD:YDW200-20 BLK SUB PBA: SMW200-10P BLK DRED:SMW250-05 WHT INV DOWNDOWN: YDAW200-20TR BLK SUB PBA: SMW200-10P WHT ENABLE CGND: SMW250-03 RED EEVB/SUB PBA:SMW250-05 YEL Samsung Electronics...
  • Page 74 SMW250-06 WHT 3711-000939 CN801 ERROR/COMP CHECK SMW250-04 RED 3711-000176 CN12 DC12V YW396-02V BLU 3711-000997 CN803 EEV1 SMW250-05 BLU 3711-001036 CN802 EEV4 SMW250-06 BLU 3711-001084 CN403 OUT TEMP/COND/DISQ/OLP SMW250-08 WHT This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 75 #3 : COMP. U-phase(YEL) #4 : DC 15V #4 : DC 15V #5 : FAN RPM #5 : FAN RPM #6 : FAN RPM feedback #6 : FAN RPM feedback This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 76 EMI PCB ① ② ③ L1-AC POWER L phase N1-AC POWER N phase CN01-AC POWER L1 : BRN N1 : SKY-BLU #1-#3 : AC 220~240V This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 77: Wiring Diagram

    Operating Instructions and Installation 6. Wiring Diagram 6-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 78: Outdoor Unit

    6-2 Outdoor Unit  AC026JXSCEH, AC035JXSCEH This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 79  AC071JXSCEH Samsung Electronics...

  • Page 80: Reference Sheet

    PACK MULTI RAC-Vivace AIR HANDIING UNIT DVM HOME AIR HANDLING UNIT SINGLE HYDRO UNIT MULTI ※ "/" can be removed from the buyer card if there are not enough digits. HYDRO UNIT MONO HYDRO UNIT WATER TANK FLAT STAND Samsung Electronics...

  • Page 81: 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 82 © Samsung Electronics Co., Ltd. Jun. 2016. 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. DB68-00000A (1)

This manual is also suitable for:

Ac035knadehAc071jxscehAc035knadeh/euAc026knadeh/euAc071knadehAc026jxsceh ... Show all

Table of Contents