Samsung AC100JNCDEH/EU Service Manual
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Samsung AC100JNCDEH/EU Service Manual

System air conditioner 4 way cassette series
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AIR CONDITIONER
SYSTEM AIR CONDITIONER
4 WAY CASSETTE SERIES
INDOOR UNIT
Model :
AC100JNCDEH/EU
AC120JNCDEH/EU
AC140JNCDEH/EU
CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
OUTDOOR UNIT
AC100JXADEH/EU
AC100JXADGH/EU
AC120JXADEH/EU
AC120JXADGH/EU
AC140JXADEH/EU
AC140JXADGH/EU

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Summary of Contents for Samsung AC100JNCDEH/EU

  • Page 1 All manuals and user guides at all-guides.com SYSTEM AIR CONDITIONER 4 WAY CASSETTE SERIES INDOOR UNIT OUTDOOR UNIT Model : AC100JNCDEH/EU AC100JXADEH/EU AC120JNCDEH/EU AC100JXADGH/EU AC140JNCDEH/EU AC120JXADEH/EU AC120JXADGH/EU AC140JXADEH/EU AC140JXADGH/EU AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4.

  • Page 2: Table Of Contents

    5. PCB Diagram and Parts List................5-1 5-1 Indoor Unit ................................5-2 Outdoor Unit ................................. 6. Wiring Diagram ....................6-1 6-1 Indoor Unit ................................6-2 Outdoor Unit ................................. 7. Reference Sheet ....................7-1 7-1 Index for Model Name ............................7-2 Refrigerating Cycle Diagram .......................... Samsung Electronics...

  • Page 3: 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 4: 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 5: Product Specifications

    2-1 The Feature of Product 2-1-1 Features 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) Samsung Electronics...

  • Page 6: Product Specifications

    DB31-00579B DB31-00579B DB31-00579B Refrigerant Type R-410A Factory Charging [g] 2800 2800 2900 Additional Refrigerant (for every 1m) [g] Basic Piping Length [m] Max. Piping Length [m] Max. Level Difference [m] 01D06C- 01D06C- 01D06C- Option Code 1C5439-276470-370040 1C5439-276470-370040 1C247A-277882-370040 Samsung Electronics...
  • Page 7 DB31-00579B DB31-00579B DB31-00579B Refrigerant Type R-410A Factory Charging [g] 2900 3200 3200 Additional Refrigerant (for every 1m) [g] Basic Piping Length [m] Max. Piping Length [m] Max. Level Difference [m] 01D06C- 01D06C-1C54BE- 01D06C-1C54BE- Option Code 1C247A-277882-370040 278CA0-370045 278CA0-370045 Samsung Electronics...
  • Page 8 INSTALL MANUAL DB68-05135A Insulation DB62-04318S Insu DRAIN HOSE DB62-11028A INSU HOSE D DB62-11028E Indoor 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 MANUAL INSTALL DB98-32793A Samsung Electronics...

  • Page 9: Filter Specifications

    All manuals and user guides at all-guides.com Product Specifications 2-3-2 Filter specifications Item Descriptions Code-No. Remark Basic/ Dust filter DB63-03687A Water wash Samsung Electronics...

  • Page 10: Disassembly And Reassembly

    All manuals and user guides at all-guides.com 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

    2) Detach the Air Inlet Grille. 3) Detach the Cover side by removing 1 screw and sliding Cover. 4) Open the cover of Component Electrical Box by removing 2 screws. 5) Open the cover of Terminal block Box by removing 2 screws Samsung Electronics...
  • Page 12 2 screws. 3) Detach the Upper case of Fan. (AC036HBCDBD, AC036JBCDBD, AC040JBCDBD : 3EA AC060HBCDBD, AC060JBCDBD : 4EA ) 4) Detach Bracket Grille by removing 2 Screws. (Bracket Grille AC036JBCDBD, AC036JBCDBD, AC040JBCDBD : 1EA AC060HBCDBD, AC060JBCDBD : 2EA ) Samsung Electronics...
  • Page 13 Evaporator 1) Detache the Cover Pipe by removing 2 screws. 2) Detache the Cover Evap LF/RH by removing 4 screws. 3) Detach the Evaporator assembly by removing 3 screws. Samsung Electronics...
  • Page 14 All manuals and user guides at all-guides.com Disassembly and Reassembly Parts Procedure Remark Stepping Motor 1) Detach the Connector. 2) Detache the Stepping Motor by emoving 2 screws. Holder Blade 1) Remove 4 screws at both side of the Holder blade. Samsung Electronics...

  • Page 15: Outdoor Unit

    Cabinet Front RH. (Use +Screw Driver) Cabi Top 1) Unscrew and remove 9 screws on each side of the Cabinet-Top. (Use +Screw Driver) Cabi Install Front 1) Unscrew and remove 1 screw in the Cabinet-Install Front. (Use +Screw Driver) Samsung Electronics...
  • Page 16 2) Unscrew and remove 4 screws in the Guard Cond. (Use +Screw Driver) Cabi Back RH 1) Pull the sensor from Cabi Back RH. 2) Unscrew and remove 4 screws on each side of the Cabinet Back RH. (Use +Screw Driver) Samsung Electronics...
  • Page 17 Disassembly and Reassembly Parts Procedure Remark 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...
  • Page 18 All manuals and user guides at all-guides.com Disassembly and Reassembly Parts Procedure Remark 1) Turn 2 mounting nuts as shown in the picture and remove it. (Use Adjustable Wrench) Samsung Electronics...
  • Page 19 1) Separate the Fan Propeller. 2) Unscrew and remove the 8 Motor mounting screws. (Use +Screw Driver) 3) Disconnect the Motor wire From Ass'y Control Out. Bracket Motor 1) Unscrew and remove 2 mounting screws in Bracket Motor. (Use +Screw Driver) 3-10 Samsung Electronics...
  • Page 20 All manuals and user guides at all-guides.com Disassembly and Reassembly Parts Procedure Remark Control Out 1) Disconnect 4 Connecters From Ass'y Control Out. 2) Unscrew and remove 1 mounting screw in Control Out. (Use +Screw Driver) 3) Separate Ass'y Control Out. Samsung Electronics 3-11...
  • Page 21 Service Valve. (Use +Screw Driver) 4) Separate the pipe from the Entrance/Exit using a welder. When removing the compressor, Heat Exchanger, and Pipe, purge the Coolant inside the Compressor completely and remove the pipe with a welding flame. 3-12 Samsung Electronics...
  • Page 22 1) Unscrew and remove 2 mounting screws in Service Valve. (Use +Screw Driver) 2) Separate the pipe from the Entrance/Exit using a welder. Compressor 1) Unscrew and remove 1 mounting nut in Cover Terminal. (Use Adjustable Wrench) 2) Separate the Compressor Felt Sound. Samsung Electronics 3-13...
  • Page 23 3) As shown in the picture, unscrew and remove 3 mounting screws from the bottom. (Use Adjustable Wrench) Cond Out 1) Unscrew and remove 3 screws on each side of the Assy Cond Out. (Use +Screw Driver) 2) Separate the Compressor Felt Sound. 3-14 Samsung Electronics...
  • Page 24 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) Samsung Electronics 3-15...
  • Page 25 Cabinet-Install Back. (Use +Screw Driver) Cabi Front LF 1) Unscrew and remove 10 screws in the Cabinet-Front LF. (Use +Screw Driver) 1) Turn 2 mounting nuts as shown in the picture and remove it. (Use Adjustable Wrench) 3-16 Samsung Electronics...
  • Page 26 1) Unscrew and remove 2 mounting screws in Bracket Motor. (Use +Screw Driver) Control Out 1) Disconnect 4 Connecters From Ass'y Control Out. 2) Unscrew and remove 1 mounting screw in Control Out. (Use +Screw Driver) 3) Separate Ass'y Control Out. Samsung Electronics 3-17...
  • Page 27 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. 3-18 Samsung Electronics...

  • Page 28: Troubleshooting

    After entering the option setting status, select the option as listed below. 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 29 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 30 Press Mode button to be change to HEAT mode in the OFF status. 19. Setting SEG23, SEG24 mode Press Low Fan button( ) to enter SEG23 value. Press High Fan button( ) to enter SEG24 value. Each time you press the button, … will be selected in rotation. SEG23 SEG24 Samsung Electronics...
  • Page 31 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 32 Press the Set button to save the settings and exit to the sub-menu setting screen. Press the Esc button to exit to normal mode. ]/[ ] buttons to set the range of Data bit. Esc button to exit to the setting sub-menu without saving your changes. Samsung Electronics...
  • Page 33 If you input a number other than 0~4 of the individual control of the indoor unit(SEG20), the indoor is set as indoor 1. ▶ 4WAY MODEL : Even when the value of Heating setting compensation(SEG21) is set to '0' , it wil be recognized as '5°C' . Samsung Electronics...
  • Page 34 Individual control of a Heating setting Explanation PAGE remote controller compensation Remote Controller Display RESERVED RESERVED RESERVED Indication Details Indication Details Indication Details 0 or 1 Indoor 1 Disuse Indication Indoor 2 and Details 2°C Indoor 3 5°C Indoor 4 Samsung Electronics...
  • Page 35 Ex) When setting the 'buzzer control' into disuse status. Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 The option 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 36 4-1-6 Option code for each model Model SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Remocon display AC100JNCDEH AC120JNCDEH AC140JNCDEH Model SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Remocon display AC100JNCDEH AC120JNCDEH AC140JNCDEH Samsung Electronics...

  • Page 37: Indoor Display Error And Check Method

    : Blink X : Off If you turn off the air conditioner when the LED is flickering, the LED is also turned off. If you re-operate the air conditioner,it operates nomally at first,then detects an error again. 4-10 Samsung Electronics...
  • Page 38 Outdoor unit EEPROM Read/Write error (H/W) E472 AC Line Zero Cross Signal out E473 Comp Lock error E474 Error on IPM Heat Sink sensor of inverter 1 (Short or Open) E475 Error on inverter fan 2 E484 PFC Overload (Over current) Error Samsung Electronics 4-11...
  • Page 39 E508 Smart install is not installed E554 Gas leak detected E556 Error due to mismatching capacity of indoor and outdoor unit E557 DPM remote controller option error E590 Inverter EEPROM CheckSum error E660 Inverter Boot Code error 4-12 Samsung Electronics...

  • Page 40: Troubleshooting By Symptoms

    In this case, is the resistance 18.00 ±3% value out of range in the temperature table on the right? 22.00 ±3% 28.30 ±3% Indoor temperature sensor 33.90 ±3% failure (replace) 42.30 ±3% Restart the system after replacing the PCB Samsung Electronics 4-13...
  • Page 41 In this case, is the resistance 17.95 ±3% value out of range in the temperature table on the right? 27.27 ±3% 42.42 ±3% 67.72 ±3% EVA sensor failure (replace) 111.2 ±3% Restart the system after replacing the PCB 4-14 Samsung Electronics...
  • Page 42 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 4-15...
  • Page 43 Replace the PCB and restart the unit Check the stuck by external substance Is there E154 after above 6 minute? and remove it. Replace the Motor or PCB and restart the unit Replace the PCB and restart the unit 4-16 Samsung Electronics...
  • Page 44 MAIN PCB?(CN201) Connect the EEPROM PCB to MAIN PCB and restart the unit Reconnect the EEPROM PCB to MAIN PCB Is the error mode disappear ? Replace the PCB and restart the unit The indoor unit work normaly Samsung Electronics 4-17...
  • Page 45 Wire remote controller display E163 EEPROM option setting error Symptom 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 4-18 Samsung Electronics...
  • Page 46 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 4-19...
  • Page 47 If the communication still doesn’t work, indoor unit PCB and outdoor unit PCB in order of mention. Good +0.7V -0.7V cf.) If there is no oscillo scope, it can be replaced multimeter instead of osillo scope. 4-20 Samsung Electronics...
  • Page 48 Troubleshooting 4-3-9 Outdoor's service valve(Clog) Wire remote controller display E422 Symptom Clogging of outdoor's service valve Valve clog Failure Is the outdoor service valve clogged? Open the outdoor's service valve Replace the PCB and restart the unit Samsung Electronics 4-21...
  • Page 49 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. 4-22 Samsung Electronics...
  • Page 50 All manuals and user guides at all-guides.com Troubleshooting Outdoor unit is not powered on – Initial diagnosis (1phase) (cont.) Cont. Is the reactor connector Connect the reactor connected correctly? Replace the PBA. Samsung Electronics 4-23...
  • Page 51 Replace the PCB of the indoor unit if the PCB (Transformer, fuse, pcd, etc.) fails voltage (V1-V2) 12Vdc? Does the air conditioner operate when pressing ON/OFF button of the Replace the wired remote controller wired remote controller? Cont. 4-24 Samsung Electronics...
  • Page 52 Are the option DIP switches Reconfigure the option DIP switches inside the wired remote controller configured correctly? Is there an error Check the system depending message displayed on the wired remote on the error display controller display? Check the target temperature Samsung Electronics 4-25...
  • Page 53 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. 4-26 Samsung Electronics...
  • Page 54 (°C) After confirming the state is normal, Does the same error occur again end the service. after power is on? Replace the outdoor unit PBA. Power is on. After confirming the state is normal, end the service. Samsung Electronics 4-27...
  • Page 55 The indoor FAN/MOTOR operates normally? The indoor EEV operates normally? Check the EEV. The indoor heat exchanger sensor displays the Same as when checking other temp sensors. temperature ok? Check for clogging in the suction area of the indoor machine. 4-28 Samsung Electronics...
  • Page 56 Test operation Connect S-net to vacuum. (Forceful) All the sub valves open? Open the sub valve. The outdoor/indoor EEV operates normally? Check the EEV. Clogging in the pipeline? Check the pipeline. (ex-filter) Check the amount of coolant. Samsung Electronics 4-29...
  • Page 57 When the product malfunctions, if the actual situation does not match the above diagnosis, measure the temperature of incoming air with S-net to see if the measurement is the same as the actual outdoor temperature. If not, replace the temperature sensor. 4-30 Samsung Electronics...
  • Page 58 4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Remove the Fan lock. Isn't the Fan locked? Is the connector connected correctly? Connect the connector. Is the color of Fan wire matched correctly? Exchange the Fan. Exchange the PCB. Normal operation Exit Samsung Electronics 4-31...
  • Page 59 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. 4-32 Samsung Electronics...
  • Page 60 4-3-18 E462 : Current protection control causes comp. down E484 : PFC overload error Outdoor unit display E462,E484 Criteria Cause of problem How to check Compressor input voltage supplied ok? Check the input power terminal. Overcurrent option setting ok? Correct the overcurrent setting. Finished inspections Samsung Electronics 4-33...
  • Page 61 Test operation Connect S-net to vacuum. (forceful) All the sub valves open? Open the sub valve. The outdoor/indoor EEV operates normally? Check the EEV. Clogging in the pipeline? Check the pipeline. (ex-filter) Check the amount of coolant. 4-34 Samsung Electronics...
  • Page 62 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 Samsung Electronics 4-35...
  • Page 63 Is each contact resistance normal? Exchange M/C (less than 0.1ohm) Does the error reappear frequently Exchange INVERTER PCB The cause of this error may be power source trou- ble as like power interruption. Check the power source. 4-36 Samsung Electronics...
  • Page 64 After that, the refrigerant leakage. recharge. Check the temperature value through Check the fault in the indoor unit EVA S-NET, etc. and then if there is a fault, replace sensor and the connection state. and reconnect. Samsung Electronics 4-37...
  • Page 65 7. Outdoor overload protection control (at the stop of the compressor.) : E404 Check whether the fan and the motor operate normally. Check the operation of EEV. Check the temperature sensor of the indoor unit heat exchanger. Check the indoor unit inlet blocking. 4-38 Samsung Electronics...

  • Page 66: Pcb Diagram And Parts List

    #1 - 12V, #6 - 5V, #12 - GND #2~5,7~11 - COM2 SIGNAL SMW250-06 RED 3711-001037 CN302 COMM #1,2,5,6 - COM SIGNAL # 3 - 12V, #4 - GND SMW250-04 YEL 3711-000941 CN801 #1,#2 - GND, #3 - SPI CTRL, #4 - NC Samsung Electronics...
  • Page 67 #1 - ROOM SENSOR SIGNAL, #2 - GND SMW200-06P WHT #1 - EVA IN SIGNAL #3 - EVA OUT SIGNAL 3711-004236 CN413 EVA DIS/OUT SENSOR #5 - DISCHARGE SIGNAL #2,4,6 - GND #1 - L, #3 - N Samsung Electronics...
  • Page 68 #3 - 5V, #4 - BLDC POWER RELAY 3711-004182 CN501 FAN MOTOR COMM #5 - OVER TEMP #6 - RST #7 - REV OUT, #8 - FAN FEEDBACK #9 - INRUSH RELAY, #10 - FAN PWM 1WALL,2P,1R,7.92mm,STRAIGHT,SN,BLK 3711-003405 CN701 POWER #1 - N, #2- L Samsung Electronics...

  • Page 69: Outdoor Unit

    LOW PRESSURE S/W B04B-XARK-1 BLU 3711-001038 CN305 COMM INV 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 Samsung Electronics...
  • Page 70 Reactor-A1/B1 Reactor-A2/B2 CN50(2PIN/RED)-Communication CN22-Downloader #Reactor-A2 : WHT  #Reactor-A2 : BLK  #1 : RXD, #2 : TXD  #1 : RXD̲ATARO, #2 : TXD̲ATARO  #Reactor-B2 : WHT  #Reactor-B2 : BLK  #3 : GND, #4 : DC 5V  #3, #8 : N.C, #4~#7 : DATA signal  #5 : DC 12V, #6 : INV. SMPS signal  #9 : GND, #10 : DC 5V  ⑤  ⑥  ⑦  ⑧  CN21-DAC/ENCODER CN91-FAN2 CN90-FAN1 CN71-COMP. For S/W engineer debugging  #1 : DC 360V  #1 : DC 360V  #1 : COMP. U-phase(RED)  #2 : N.C  #2 : N.C  #2 : COMP. V-phase(BLU)  #3 : GND  #3 : GND  #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  Samsung Electronics...
  • Page 71 All manuals and user guides at all-guides.com PCB Diagram and Parts List 5-2-3 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  Samsung Electronics...

  • Page 72: Wiring Diagram

    All manuals and user guides at all-guides.com 6. Wiring Diagram 6-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 73 All manuals and user guides at all-guides.com 6-2 Outdoor unit AC100JXADEH, AC120JXADEH, AC140JXADEH This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 74: Outdoor Unit

    All manuals and user guides at all-guides.com Outdoor unit AC100JXADGH,AC120JXADGH,AC140JXADGH This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 75: Reference Sheet

    HEAT PUMP R410a (Slim) HEAT RECOVERY RAC-Vivace COOLING ONLY Feature HEAT PUMP FLAGSHIP Cooling only R134A PREMIUM Heat Pump DELUXE <- Basic STANDARD ※ "/" can be removed from the buyer card if there are not enough digits. Samsung Electronics...
  • Page 76 DELUXE + TROPICA ⇦ Basic Model COOLING ONLY STANDARD + TROPICAL HEAT PUMP Cooling only R134A Heat Pump ★ ※ MCD: Dummy mock-up model ※ “/” can be removed from the buyer card if there are not enough digits. Samsung Electronics...

  • Page 77: 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 78 China china.samsungportal.com © Samsung Electronics Co., Ltd. January. 2015. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in Korea. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. AC-00097E_1...

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