Samsung AC035JNMCEH Service Manual
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Samsung AC035JNMCEH Service Manual

System air conditioner
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AIR CONDITIONER
AC035JNMCEH
AC071JNMCEH
AC100JNMCEH
AC120JNMCEH
AC035JXSCEH
SYSTEM AIR CONDITIONER
Indoor Unit
Model :
AC035JNMCEH
AC071JNMCEH
AC100JNMCEH
AC125JNMCEH
Model Code :
AC035JNMCEH/EU
AC071JNMCEH/EU
AC100JNMCEH/EU
AC125JNMCEH/EU
CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
Outdoor Unit
AC035JXSCEH
AC035JXSCEH/EU

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Summary of Contents for Samsung AC035JNMCEH

  • Page 1 SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit Model : AC035JNMCEH AC035JXSCEH AC071JNMCEH AC100JNMCEH AC125JNMCEH Model Code : AC035JNMCEH/EU AC035JXSCEH/EU AC071JNMCEH/EU AC100JNMCEH/EU AC125JNMCEH/EU AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly AC035JNMCEH 4. Troubleshooting AC071JNMCEH AC100JNMCEH AC120JNMCEH 5.

  • Page 2: Table Of Contents

    Contents 11. Precautions ............................1-1 Precautions for the Service ......................1-2 Precautions for the Static Electricity and PL ................1-3 Precautions for the Safety ....................... 1-4 Others ..............................12. Product Specifications ....................... 2-1 The Feature of Product ........................2-2 Product Specifications ........................

  • Page 3: Precautions

    2m. – If not, it causes a bad picture quality or a noise.  Repairing the products by consumer should be strictly prohibited. – There is a danger of electric shock or fire due to incorrect disassembly. Samsung Electronics...

  • Page 4: Precautions For The Safety

    - Release the valve caps on High and Low pressure side. - Use L wrench to close the valve on the high pressure side. - Approximately 2 minutes after, close the valve on the low pressure side. - Stop operation of the air conditioner. - Disconnect the pipes. Samsung Electronics...

  • Page 5: Product Specifications

    2-2 Product Specifications AC035JNMCEH AC071JNMCEH ITEM AC035JXSCEH AC071JXSCEH Indoor Unit Outdoor Unit IMAGE Remote Controller Power Product 1Φ, 220-240V/50Hz 1Φ, 220-240V/50Hz Indoor W x D x H 850*700*250 1200*700*250 Outdoor W x D x H 790*285*548 940*330*1420 Indoor Product kg(Net) 25.0...

  • Page 6: The Feature Of Product

    It can give the benefit to the installers and aries the reliability of the air conditioner. ■ Long Ambient Operation (In Low Temperature) It can arise the reliability and the capacity of the air conditioner, especially operated in low temperature. ■ Eco-friendly Product (Lead-Free, RoHS, WEEE) Samsung Electronics...

  • Page 7: Product Specifications

    Outdoor unit dB(A) 60 / 62 60 / 62 blow Refrigerant (R-410A) 2900 2900 Liquid 3/8"(9.52) 3/8"(9.52) Connecting Pipe 5/8"(15.88) 5/8"(15.88) Additional Refrigerant (R-410A) Standard Extension length(Total) Extension length(Elevation) Product Option 01B26C-1C50F2-276470-375045 01B26C-1C50F2-276470-375045 Option Code Installation Option 020000-100000-200000-300100 020000-100000-200000-300100 Samsung Electronics...
  • Page 8 45 / 45 Noise (Cooling/Heating) Outdoor unit In case of strongest air blow 60 / 62 Refrigerant (R22) 2900 Liquid 3/8"(9.52) Connecting Pipe 5/8"(15.88) Additional Refrigerant (R22) Standard Extension length(Total) Extension length(Elevation) Product Option 01B26C-1C5425-277D8C-374045 Option Code Installation Option 020000-100000-200000-300100 Samsung Electronics...

  • Page 9: Accessory

    User's Manual DB68-05399A Insulation DB62-04318S Insu DRAIN HOSE DB62-11028A Indoor INSU HOSE D DB62-11028E Unit INSU TUBE OUT DB62-11028F ASSY DRAIN HOSE JOINT DB67-01191A Ass'y Drain Hose Joint DB90-06701A GROMMET-HANGER DB63-00237A RUBBER LEG DB73-20134A Outdoor unit INSTALLATION MANUAL DB68-05400A Samsung Electronics...
  • Page 10 MEMO Samsung Electronics...

  • Page 11: Disassembly And Reassembly

    3. Disassembly and Reassembly ■ Necessary Tools Item Remark +SCREW DRIVER MONKEY SPANNER Samsung Electronics...

  • Page 12: Indoor Unit

    3-1 Indoor Unit ■ AC035JNMCEH Parts Procedure Remark Motor 1)Disassemble the Cabinet Bottom Fan. & - Unscrew 10 screws Blower 2)Disassemble the Case Filter Pre. 3)Disassemble the 2 Case Blower Bottom. - Unscrew 4 screws 4)Disassemble the Cover Control. - Unscrew 2 screws...
  • Page 13 7)Disassemble the 2 Holder Motor. - Unscrew 2 screws 8)After disassembling the Motor and Blower for the set, disassemble the Blower by use of 3mm wrench. 9)Disassemble the both of Case Blower Out - Unscrew 4 screws Samsung Electronics...
  • Page 14 1)Disassemble the Cabinet Bottom Evap. - Unscrew 7 screws 2)Pull the Drain Pan Out EVAP 1)Disassemble the Support Evap. - Unscrew 1 screws 2)Disassemble the Cover Pipe. - Unscrew 2 screws 3)Disconnect the wire betwwen assy control out and Evap Samsung Electronics...
  • Page 15 Parts Procedure Remark 4)Disassemble the Evap. - Unscrew 3 screws. Then pull the Evap out Cushion 1)Pull out the Cushion 2)Disassemble the Seal Cushion LF. - Unscrew 1 screws 3)Disassemble the Assy Cushion Right. - Unscrew 1 screws Samsung Electronics...
  • Page 16 Case Blower&Bracket 1)Disassemble the both of Case Blower Out Motor - Unscrew 4 screws 2)Disassemble the Bracket Motor. - Unscrew 6 screws Control 1)Disassemble the Case Control. - Unscrew 2 screws Frame 1)Disassemble the Frame. - Unscrew 6 screws Samsung Electronics...
  • Page 17 ■ AC071JNMCEH / AC100JNMCEH / AC100JNMCEH / AC125JNMCEH Parts Procedure Remark Common 1)Disassemble the Cabinet Bottom Fan. - Unscrew 11 screws 2)Disassemble the Case Filter Pre. 3)Disassemble the Cover Control. - Unscrew 2 screws 4)Disassemble the Cabinet Bottom Evap. - Unscrew 8 screws Samsung Electronics...
  • Page 18 1)Disassemble the Drain Pan from the set. 2)Disassemble the 3 Case Blower Bottom. - Unscrew 6 screws 3)Disassemble the Cover Pipe. - Unscrew 2 screws 4)Disassemble the Support Evap. - Unscrew 1 screws 5)Disassemble the Evap. - Unscrew 3 screws Samsung Electronics...
  • Page 19 Motor Fan out 2)Disassemble the 2 Holder Motor. - Unscrew 2 screws 3)After disassembling the Motor and Blower for the set, disassemble the Blower by use of 3mm wrench. 4)Disassemble the 3 Case Blower Top. - Unscrew 6 screws Samsung Electronics...
  • Page 20 Parts Procedure Remark 5)Disassemble the Bracket Motor. - Unscrew 6 screws 6)Disassemble the 3 Case Blower Out - Unscrew 6 screws 3-10 Samsung Electronics...
  • Page 21 Procedure Remark Cushion 1)Disassemble the Assy Cushion Right. - Unscrew 1 screws 2)Disassemble the Seal Cushion LF. - Unscrew 1 screws Control 1)Disassemble the Case Control. - Unscrew 2screws Frame 1)Disassemble the Frame. - Unscrew 6 screws Samsung Electronics 3-11...

  • 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. 3-12 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 3-13...
  • Page 24 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. 3-14 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. Samsung Electronics 3-15...
  • 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 3-16 Samsung Electronics...

  • Page 27: Troubleshooting

    2 minutes) Flickering X Off   If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
  • Page 28 3minutes. Error of communication down between the indoor unit Wired remote controller and wired remote controller after completion of 10 times tracking. error COM1/COM2 Cross-installed error Error of master wired remote controller and slave wired remote controller setting Samsung Electronics...
  • Page 29 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 30: Setting Option Setup Method

    You can only check the indoor unit option code in Slave wired remote controller. • Setting indoor unit option code is possible when one indoor unit is connected. If more than 2 indoor units are connected, you can only check the Master indoor unit option code. Samsung Electronics...

  • Page 31: Setting An Indoor Unit Address And Installation Option

    • Press the button anytime during setup to exit without setting. NOTE • Address will not be applied if you don't press button. • Setting Main/RMC Address of an Indoor unit is available only with a master wired remote controller. Samsung Electronics...
  • Page 32 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 External control Number of hours External control S-Plasma ion Buzzer output using filter SEG19 SEG20 SEG21 SEG22 SEG23 Individual control Heating setting Away Set OFF of a remote RESERCED compensation Timer controller Samsung Electronics...
  • Page 33 • Setting Installation option code is available only with a master wired remote controller. • Setting Installation option code is available when there is one on one connection between a wired remote controller and an indoor unit. Samsung Electronics...
  • Page 34 If the external static pressure is high so that the duct becomes longer or if the external static pressure is low so that the duct becomes shorter, adjust the fan speed by referring the following table. Model AC035JNMCEH AC071JNMCEH Static Pressure(mmAq) Option code for indoor unit 0≤...

  • Page 35: Items To Be Checked First

    The compressor operates in a reverse cycle to remove Indoor fan and outdoor fan stop operation intermittently exterior ice in a HEAT mode, and indoor fan and outdoor in a HEAT mode. fan do not operate intermittently for within 20% of the total heater operation Samsung Electronics...
  • Page 36 Wrong setting Check DIP SW in the Set DIP SW correctly wired remote controller. Correct Is there any error display on Check each item according to error code list the wired remote controller Check the setting temperature 4-10 Samsung Electronics...
  • Page 37 #1 and #3 Are wire and socket connected correctly? Error 469 display Error 469 display CN05,06,07 TAB terminal(EMI PCB), Check and correct the wiring CN20(INVERTER PCB) (Table No.19) (Table No.19) Check the M/C Samsung Electronics 4-11...
  • Page 38 Is the Pin voltage #6 - #3 of CN40 and 41 changed high(4-5V) and low(0-1V) in case of Exchange INVERTER PCB making manual rotation slowly? Is the Pin voltage #7 - #3 of CN40 and Exchange the FAN motor 41 low(0-1V) in normal rotation? Exchange INVERTER PCB 4-12 Samsung Electronics...
  • Page 39 Does the compressor rotate normally? Exchange the compressor Are the service valves full opened? Open valve screw to the end. Is AC power voltage normal during the Check AC power source compressor in operation? Exchange INVERTER PCB Samsung Electronics 4-13...
  • Page 40 Check the resistance value of 4-WAY valve coil. Dose the voltage of AC220V Exchange apply to the connector of 4-WAY the outdoor PCB. valve coil during the operation? Go to the next page 4-WAY valve main body error 4-14 Samsung Electronics...
  • Page 41 Connect the connector. correctly? Outdoor fan error Check the resistance value of outdoor fan. Dose the voltage of DC300V apply to the connector of outdoor Check the motor wire. fan during the operation of outdoor unit? Outdoor PCB error Samsung Electronics 4-15...
  • Page 42 Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 18K? Exchange the PCB. Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 4-16 Samsung Electronics...
  • Page 43 Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 24K? Exchange the PCB. Exchange the PCB. Normal operation Exit 600.0 500.0 400.0 300.0 200.0 100.0 Samsung Electronics 4-17...
  • Page 44 Exchange the sensor. (Refer to the R/T TABLE) Is the resistance value of sensor connection pull_up 18.2K? Exchange the PCB. Exchange the PCB. Normal operation Exit 400.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 4-18 Samsung Electronics...
  • Page 45 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 Are connection of the wire from INVERTER PBA to Check and correct the wire connection EMI PBA normal? Exchange INVERTER PCB Samsung Electronics 4-19...
  • Page 46 Is insuration resistance between each Exchange the compressor compressor terminal and body normal? Does the compressor rotate normally? Exchange the compressor Did AC power voltage interruption happen Check AC power source during the compressor in operation? Exchange INVERTER PCB 4-20 Samsung Electronics...
  • Page 47 Is the communication error Terminate the service. occurred again? Isn't the power cable and Correct the wrong wiring. communication cable wiring error? Is the connection of Correct the connection of communication cable normal? communication cable. Exchange the outdoor unit PCB. Samsung Electronics 4-21...
  • Page 48 Is the interphase resistance value of Exchange the compressor. compressor(u↔v, v↔w, w↔u) normal? Is the compressor body and Exchange the compressor. interphase resistance insulated? Is the connection cable for the Correct the cable connection. compressor and power terminal normal? Exchange the PCB. 4-22 Samsung Electronics...
  • Page 49 Is the interphase resistance value of Exchange the compressor. compressor(u↔v, v↔w, w↔u) normal? Is the compressor body and Exchange the compressor. interphase resistance insulated? Is the connection cable for the Correct the cable connection. compressor and power terminal normal? Exchange the PCB. Samsung Electronics 4-23...
  • Page 50 Exchange INVERTER PCB The cause of this error may be power source trou- ble as like power interruption. Check the power source. 4-5-16 The others 1. Capacity miss match – Check again the indoor unit option code. 4-24 Samsung Electronics...
  • Page 51 ● EMI PCB part : Line filter for electrical noise, Varistors for surge and Fuses. ● MAIN PCB part : Refrigeration cycle controller with MICOM ● INVERTER PCB part : Compressor driving inverter and BLDC fan controller Samsung Electronics 4-25...
  • Page 52 FAN operation checking 1) Is the FAN motor running? • Controller trouble inside of the fan motor Press the ON/OFF button. 2) Is the connection of CN73 normal? • connector trouble of CN73 1. FAN Speed[HIGH] 2. FAN mode 4-26 Samsung Electronics...
  • Page 53 D101 upper side pin of '~' marking pins INVERTER PCB 2) Is DC Link voltage 450-510V? Check IGBT module pins marking voltage near C701 Check BLDC fan 1) See 12-2-3 The Outdoor unit Fan error(Fault Diagnosis) Samsung Electronics 4-27...

  • Page 54: Troubleshooting By Symptoms

    10.00 12.10 14.70 18.00 In this case, is the resistance value out of range in the temperature 22.00 table on the right? 28.30 33.90 Indoor temperature sensor 42.30 failure (replace) Restart the system after replacing the PCB 4-28 Samsung Electronics...
  • Page 55 4.160 5.828 8.313 12.09 17.95 In this case, is the resistance value out of range in the temperature 27.27 table on the right? 42.42 67.72 EVA sensor failure (replace) 111.2 Restart the system after replacing the PCB Samsung Electronics 4-29...
  • Page 56 PCB?(CN301) 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 4-30 Samsung Electronics...
  • Page 57 Remove the wire connector from the PCB and measure the resistance between two terminals Is the resistance 0Ω ? Replace the Terminal Block and restart the unit Replace the PCB and restart the unit Samsung Electronics 4-31...
  • Page 58 X (Defrost) X (Timer) (Fan) (Filter) Wire remote controller display E422 Clogging of outdoor's service valve Symptom Valve clog Failure Is the outdoor service valve clogging? Open the outdoor's service valve Replace the PCB and restart the unit 4-32 Samsung Electronics...
  • Page 59 Remove the wire connector from the PCB and measure the resistance between two terminals Is the resistance 0Ω ? Replace the float switch and restart the unit Replace the PCB and restart the unit Samsung Electronics 4-33...
  • Page 60 MAIN PCB?(CN201) Connect the EEPROM PCB to MAIN PCB and restart the unit Connect the EEPROM PCB to MAIN PCB Is the error mode disappear ? Replace the PCB and restart the unit The indoor unit work normaly 4-34 Samsung Electronics...
  • Page 61 Wire remote controller display E163 Symptom EEPROM option setting error Failure Option error Input the right option to EEPROM PCB Is the error mode disappear ? Replace the PCB and restart the unit The indoor unit work normaly Samsung Electronics 4-35...
  • Page 62 10KΩ ~ 50KΩ reverse Abnormal 0Ω...Open or Short Outdoor Unit 4way Valve Solenoid Measure resistance with a multimeter Normal At the normal temperature(10˚C~30˚C) 1.6KΩ±15% ∞,0Ω...Open or Short Abnormal Remark : 4-5-4~7 contents are for heat pump model (DH18/24BT) . 4-36 Samsung Electronics...

  • Page 63: Pcb Diagram And Parts List

    3711-000795 CN804 SMW250-02 BLU 3711-001036 CN808 SMW250-06 BLU 3711-004182 CN905 FAN MOTOR COMM SMW200-10P WHT 3711-003895 CN501 DISPLAY SMW200-13P WHT 3711-000794 CN411 FLOAT-SW SMW250-02 BLK 3711-000015 CN412 ROOM SENSOR SMW250-02 WHT 3711-004236 CN413 EVA DIS/OUT SENSOR SMW200-06P WHT Samsung Electronics...
  • Page 64 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 This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 65: Wiring Diagram

    6. Wiring Diagram 6-1 Indoor Unit  AC035JNMCEH / AC071JNMCEH / AC100JNMCEH / AC125JNMCEH This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 66: Outdoor Unit

     6-2 Outdoor Unit  AC035JXSCEH This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 67: 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 compres- sor will overload the compressor.) Samsung Electronics...

  • Page 68: Index For Model Name

    ->4Way : 4 , MSP Duct : DUCT (In/ STANDARD+GENERAL M , Ceiling : C Temp.+NON MODULE CEILING out) STANDARD CONSOLE DELUXE + TROPICAL FLOOR MOUNTING ※ "/" can be removed from the buyer card if there are not enough digits. Samsung Electronics...
  • Page 69 © Samsung Electronics Co., Ltd Nov. 2013. This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Printed in China. International and/or domestic law. Code No. DB68-00000A (1)

This manual is also suitable for:

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