Samsung AC026RN1DKG Service Manual

Samsung AC026RN1DKG Service Manual

System air conditioner
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AIR CONDITIONER
SYSTEM AIR CONDITIONER
SINGLE for Europe (R-32, Heat Pump)
INDOOR UNIT
Model :
AC026RN1DKG
AC035RN1DKG
AC026RNNDKG
AC035RNNDKG
AC052RNNDKG
AC071RNNDKG
AC052RN4DKG
AC071RN4DKG
AC100RN4DKG
AC120RN4DKG
AC140RN4DKG
AC071RN4PKG
AC100RN4PKG
AC120RN4PKG
AC140RN4PKG
AC026RNLDKG
AC035RNLDKG
AC052RNLDKG
AC071RNLDKG
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
OUTDOOR UNIT
AC035RNMDKG
AC026RXADKG
AC052RNMDKG
AC035RXADKG
AC071RNMDKG
AC052RXADKG
AC100RNMDKG
AC071RXADKG
AC120RNMDKG
AC100RXADKG
AC140RNMDKG
AC100RXADNG
AC026RNADKG
AC120RXADKG
AC035RNADKG
AC120RXADNG
AC052RNADKG
AC140RXADKG
AC071RNADKG
AC140RXADNG
AC052RNCDKG
AC071RNCDKG
AC100RNCDKG
AC120RNCDKG
AC140RNCDKG
AC100RNTDKG
AC026RNJDKG
AC035RNJDKG
AC052RNJDKG
CONTENTS

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Summary of Contents for Samsung AC026RN1DKG

  • Page 1 SYSTEM AIR CONDITIONER SINGLE for Europe (R-32, Heat Pump) INDOOR UNIT OUTDOOR UNIT Model : AC026RN1DKG AC035RNMDKG AC026RXADKG AC035RN1DKG AC052RNMDKG AC035RXADKG AC026RNNDKG AC071RNMDKG AC052RXADKG AC035RNNDKG AC100RNMDKG AC071RXADKG AC052RNNDKG AC120RNMDKG AC100RXADKG AC071RNNDKG AC140RNMDKG AC100RXADNG AC052RN4DKG AC026RNADKG AC120RXADKG AC071RN4DKG AC035RNADKG AC120RXADNG AC100RN4DKG...
  • Page 2: Table Of Contents

    Contents 1. Precautions ............................... 1-1 1-1 Precautions for the Service ....................... 1-1 1-2 Precautions related to static electricity and PL ..............1-1 1-3 Precautions related to product safety ..................1-2 1-4 Other precautions ........................1-2 2. Product Specifications ..........................2-1 2-1 CAC Single ..........................
  • Page 3 Contents 4-3-9 Indoor/outdoor communication error (1min.) (Error Code : E202) ......4-32 4-3-10 Communication error between outdoor unit INV ↔ MAIN MICOM (1 min.)(Error Code: E203) ....................4-34 4-3-11 Outdoor sensor error (Error Code : E221, E231, E251, E320) ........4-35 4-3-12 Reverse phase / Loss phase detection (3-phase outdoor unit) (Error Code : E425 ) ...............
  • Page 4: Precautions

    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

    2-1 CAC Single ■ S tabilize the atmosphere with broad temperature allowance and control Samsung is dedicated to supporting comfortable living and working environments based on the strength of its technologies. With a single unit, CAC Single delivers reliable comfort and control over multiple areas to ensure a pleasant atmosphere in any climate.
  • Page 7: The Feature Of Product

    ※ Wind-Free implementation : Still air by the velocity of flow below 0.15m/s. ■ B ig blade Max. 8m Horizontal reach ※ Blade enlargement about 47% compare to conventional product ※ Reach : 8m (Height 0.6m, Wind speed 0.3m/s) Conventional product (Samsung) : 5m ※ Based on Wind-Free 1Way 7.1kW 5.5m 0.6m ※...
  • Page 8: The Feature Of Product

    Ex. Of Noise Influence Normal Cooling Cooling Sleep Library 40dB(A) Interruption Wind-Free 4Way Library Save (34~39dB(A)) Whispering Barely Influential Wind-Free 4Way(600x600) 24dB(A) (Bedroom Standard 30dB(A) Wind-Free 4Way (600X600) By WHO) Whisper (27~35dB(A)) Sound Sleep Bedroom Ticking 20dB Conventional 4way (600X600) Samsung Electronics...
  • Page 9 Smart comfort operation enable to maintain optimal room condition automatically by detecting not only tem- perature but also relative humidity. If room reachs comfort zone If room get out of comfort zone Normal Cooling Wind-Free Cooling Normal Cooling Samsung Electronics...
  • Page 10 Direct wind Indirect wind 2. Energy Saving 35%→50% “Wind-Free + OFF Control” Energy saving Absence Power Wind free Input Saving Wind Cooling free Stop cooling ※ MDS : Motion Detect Sensor 120mins 30mins 50mins ■ World’s Lightest Weight Company A SAMSUNG Samsung Electronics...
  • Page 11 Features (Wind-Free 4Way CST) (cont.) ■ E asy Installation in 4 Different Ways Freely install anywhere without worrying about direction. (Body and Panel as well) No Limitation of direction (Both Body & Panel) ■ New Improved Design New Stylish and Aesthetic Panel Simple Display On/Off Defrost Timer Filter Samsung Electronics...
  • Page 12 Check Valve on the drain pump prevents drain water from reversing → Minimize water gathering in Drain Board to prevent rusting Company A SAMSUNG Check Valve Prevents drain water from reversing Dirty Clean Drain Board Drain Board ■ E asy Maintenance Easy Air Flow Blade Cleaning Samsung Electronics...
  • Page 13: Features & Benefits

    ■ A dd chic flair to your interior design with a stylish yet powerful AC system Samsung’s advanced 4Way Cassette (600 x 600) builds on the aesthetic appeal and performance of the stan- dard 4Way Cassette with an enhanced design. The 4Way Cassette (600 x 600) comes in a variety of patterns to complement any interior.
  • Page 14 600D) which helps minimize installation time and effort. ■ L ight, robust design The Samsung 4Way Cassette (600 x 600) indoor unit is now lighter in weight at 11kg. It is the lightest indoor unit in the industry, about 35 percent lighter than our conventional products.
  • Page 15: Cassette

    ■ A ll round cooling and comfort The Samsung 360 Cassette air conditioner offers a brand new way of staying comfortably cool in every corner of the room. Its innovative circular design not only means it perfectly fits in everywhere, adding a sophisticated look to many different sites, but it also blows cool air in all directions, so that the whole room is the same tem- perature*.
  • Page 16 Intuitively control its performance and see where the air is going. The Wireless Remote Controller's* Jog shut- tle and button offer a fun way to adjust the air flow and a Circular LED Display shows its direction. Samsung Electronics 2-11...
  • Page 17: Slim Duct - Ultra-Light, Adaptable Design

    2-4-4 Slim Duct - Ultra-light, adaptable design ■ T emper any environment with industry-best lightweight design and optimized airflow The new Samsung Slim Duct visually blends into the ceiling while providing powerful cool and warm airflow. It’s also easy to install and maintain in any interior regardless of the surrounding environment with its compact size and weight—the lightest in the industry.
  • Page 18 Slim Duct S offers the best in convenient installation and maintenance. 900mm 700mm Narrower ■ E asy access, easy maintenance Slim Duct features a flexible design that enables users to easily access its parts to maintain the unit. Samsung Electronics 2-13...
  • Page 19: Duct S

    ■ S mart pressure control Samsung Ducted Type units feature a smart pressure control system. This system adjusts the fan speed based on the external static pressure (ESP), delivering consistent cooling and heating power, regardless of the surrounding environment.
  • Page 20: Ceiling Type - Slim Yet Functional Design

    2-4-6 Ceiling Type - Slim yet functional design ■ D istribute refreshing airflow where needed with a compact, flexible design Samsung’s Ceiling Type indoor unit has 2-way installation options for the ceiling and floor, enabling more effi- cient use of available space. Users can enjoy crisp, powerful air throughout their entire space from the compact unit in the ceiling or floor.
  • Page 21: Ceiling Type (Large Capacity) - Powerful Cooling With A Long Distance Wind

    With increased size of inlet area and fluid dynamically designed inner passages, customers can experience incomparable cooling power. Also, with the advanced blade, which can move from 40 to 450, Samsung ceiling type can refreshingly cool air that reaches every corner of the room with no blind spots.
  • Page 22 Due to difficulties in accessing their installed locations, easiness to maintain ceiling indoor units should be considered seriously. Relatively thin width of the product makes locating all service ports at one side difficult. However, for better customer experience, Samsung challenged to this difficulty. Samsung Electronics...
  • Page 23: Wall Mount Type

    ■ I mproved blade operation Samsung’s wide twin blade can open up to 90° for more effective cooling. The longer twin blade ensures that air reaches every corner of the room with greater control.
  • Page 24: Ar9000, 7000, 5000 Series - Triangular Design, Powerful Cooling

    ■ E asy-access maintenance Unlike conventional filters that are often difficult to access, the Samsung wall-mounted unit filter is on the out- side, at the top of the device. Easy access means users can take out the filter, clean it and put it back without having to open a cover or pull hard to get it out.
  • Page 25: Product Specifications

    Product Specifications 2-5 Product Specifications Slim 1Way Model AC026RN1DKG/EU AC035RN1DKG/EU AC026RXADKG/EU AC035RXADKG/EU Indoor Unit Outdoor unit Image Remote controller cooling [W] 2.60 3.50 Performance heating [W] 3.30 4.00 cooling [kW] 0.72 1.09 Power Consumption heating [kW] 1.01 1.28 Voltqage / Frequency [Ø, #, V, Hz]...
  • Page 26 01517F-194581- Standard 271A22-370000 272328-370000 27343C-370040 274750-370040 020000-100001- 020000-100001- 020000-100001- 020000-100031- Installation 1 200000-300000 200000-300000 200000-300000 200000-300000 Option Code 030000-100000- 030000-100000- 030000-100000- 030000-100000- Cycle 200000-300000 200000-300000 200000-300000 200000-300000 050000-100000- 050000-100000- 050000-100000- 050000-100000- Installation 2 200000-300000 200000-300000 200000-300000 200000-300000 Samsung Electronics 2-21...
  • Page 27 Refrigerant/Factory charging [g] 1200 1700 Additional refrigerant 15g/m over 10m 25g/m over 15m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01417F-1940A8-27343C-370000 01417F-1940C8-274750-370000 Installation 1 020000-100001-200000-300000 020000-100001-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-22 Samsung Electronics...
  • Page 28 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01417F-195429-276470-370040 01417F-195429-276470-370040 Installation 1 020000-100001-200000-300000 020000-100001-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 Samsung Electronics 2-23...
  • Page 29 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01417F-19543A- 277882-370040 01417F-19543A- 277882-370040 Installation 1 020000-100001-200000-300000 020000-100001-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-24 Samsung Electronics...
  • Page 30 Refrigerant/Factory charging [g] 2900 2900 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01417F-19543B-278CA0-370040 01417F-19543B-278CA0-370040 Installation 1 020000-100001-200000-300000 020000-100001-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 Samsung Electronics 2-25...
  • Page 31 Designed Pressure low pressure [Mpa] R-32 Refrigerant/Factory charging [g] 1700 Additional refrigerant 25g/m over 15m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01017F-1940D8-274750-370000 Installation 1 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 2-26 Samsung Electronics...
  • Page 32 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01017F-19548C-276470-370040 01017F-19548C-276470-370040 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 Samsung Electronics 2-27...
  • Page 33 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01017F-19549D-277882-370040 01017F-19549D-277882-370040 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-28 Samsung Electronics...
  • Page 34 Refrigerant/Factory charging [g] 2900 2900 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01117F-1954AF-278CA0-370040 01117F-1954AF-278CA0-370040 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 Samsung Electronics 2-29...
  • Page 35 01C17C-1C59D0- Standard 271A21-370000 272328-370000 27343C-370000 274750-370005 020000-100000- 020000-100000- 020000-100000- 020000-100000- Installation 1 200000-300000 200000-300000 200000-300000 200000-300000 Option Code 030000-100000- 030000-100000- 030000-100000- 030000-100000- Cycle 200000-300000 200000-300000 200000-300000 200000-300000 050000-100000- 050000-100000- 050000-100000- 050000-100000- Installation 2 200000-300000 200000-300000 200000-300000 200000-300000 2-30 Samsung Electronics...
  • Page 36 Max.piping length [m] max.level difference [m] 01B17C-1C5080- 01B17C-1C50F1- 01B17C-1C5436- Standard 272328-372008 27343C-374000 274750-376000 020000-100000- 020000-100000- 020000-100000- Installation 1 200000-300000 200000-300000 200000-300000 Option Code 030000-100000- 030000-100000- 030000-100000- Cycle 200000-300000 200000-300000 200000-300000 050000-100000- 050000-100000- 050000-100000- Installation 2 200000-300000 200000-300000 200000-300000 Samsung Electronics 2-31...
  • Page 37 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01B17C-1C549F-276470-375020 01B17C-1C549F-276470-375020 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-32 Samsung Electronics...
  • Page 38 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01B17C-1C5424-277882-374040 01B17C-1C5424-277882-374040 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 Samsung Electronics 2-33...
  • Page 39 Refrigerant/Factory charging [g] 2900 2900 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01B17C-1C5424-278CA0-374045 01B17C-1C5424-278CA0-374045 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-34 Samsung Electronics...
  • Page 40 01017F-19547F- Standard 271A21-371700 272328-371700 27343C-371700 274750-371700 020000-100000- 020000-100000- 020000-100000- 020000-100000- Installation 1 200100-300000 200100-300000 200100-300000 200100-300000 Option Code 030000-100000- 030000-100000- 030000-100000- 030000-100000- Cycle 200000-300000 200000-300000 200000-300000 200000-300000 050000-100000- 050000-100000- 050000-100000- 050000-100000- Installation 2 200000-300000 200000-300000 200000-300000 200000-300000 Samsung Electronics 2-35...
  • Page 41 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01117F-193570-27646C-371700 01117F-193570-27646C-371700 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-36 Samsung Electronics...
  • Page 42 Refrigerant/Factory charging [g] 1200 1700 Additional refrigerant 15g/m over 10m 25g/m over 15m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01317F-1950F5-27343C-370000 01317F-195591-274750-370020 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 Samsung Electronics 2-37...
  • Page 43 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01D17C-1C5439-276470-370042 01D17C-1C5439-276470-370042 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-38 Samsung Electronics...
  • Page 44 Refrigerant/Factory charging [g] 2700 2700 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01D17C-1C247A-277882-370040 01D17C-1C247A-277882-370040 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 Samsung Electronics 2-39...
  • Page 45 Refrigerant/Factory charging [g] 2900 2900 Additional refrigerant 50g/m over 30m 50g/m over 30m Basic piping length [m] Max.piping length [m] max.level difference [m] Standard 01D17C-1C54BE-278CA0-370045 01D17C-1C54BE-278CA0-370045 Installation 1 020000-100000-200000-300000 020000-100000-200000-300000 Option Code Cycle 030000-100000-200000-300000 030000-100000-200000-300000 Installation 2 050000-100000-200000-300000 050000-100000-200000-300000 2-40 Samsung Electronics...
  • Page 46 Max.piping length [m] max.level difference [m] 01917F-1930B6- 01917F-1930D8- 01917F-1910F9- Standard 271A23-370560 272328-370660 27343C-370610 020000-100000- 020000-100000- 020000-100000- Installation 1 200000-300000 200000-300000 200000-300000 Option Code 030000-100000- 030000-100000- 030000-100000- Cycle 200000-300008 200000-300008 200000-300008 050000-100000- 050000-100000- 050000-100000- Installation 2 200000-300000 200000-300000 200000-300000 Samsung Electronics 2-41...
  • Page 47: Specifications Of Optional Items

    Q’ty Remark Ass'y drain hose DB94-02719B Cable-tie DB65-00191A Seal-drain ass'y DB62-05810A Seal-drain ass'y DB62-05810F Indoor Unit Seal-drain ass'y DB62-05810G CARD WARRANTY DB68-02596B User Manual DB68-08166A Installation Manual DB68-08158A BOLT-FLANGE 6011-003975 Installation Manual DB68-07705A Panel CARD WARRANTY DB68-02596B 2-42 Samsung Electronics...
  • Page 48 Product Specifications Accessories (cont.) ■ AC***RN1DKG Item Description Code No. Q’ty Remark PAD INSTALL DB69-01947A,B SEAL-DRAIN ASSY DB62-05810A HOSE DRAIN-JOINT DB94-01258C GROMMET-HANGER DB63-00237A MANUAL INSTALL DB68-08158A Indoor Unit MANUAL USERS DB68-08166A INSULATION-BASE DB72-00401C CABLE TIE DB65-10088C CARD WARRANTY DB68-02596B Samsung Electronics 2-43...
  • Page 49 Remark Ass'y drain hose DB94-03287A Cable-tie DB65-10088C Seal-drain ass'y DB62-11028A Essential Offer Seal-drain ass'y DB62-11028H (Indoor Unit) Seal-drain ass'y DB62-11028J USER MANUAL DB68-08128A INSTALLATION MANUAL DB68-08129A CARD WARRANTY DB68-02596B BOLT 6011-003975 Essential Offer (Panel) INSTALLATION MANUAL DB68-03837A 2-44 Samsung Electronics...
  • Page 50 USER MANUAL DB68-08130A INSTALLATION MANUAL DB68-08131A Insulation DB62-04318S Insu DRAIN HOSE DB62-11028A INSU HOSE D DB62-11028E INSU TUBE OUT DB62-11028F Indoor Unit ASSY DRAIN HOSE JOINT DB67-01191A Ass'y Drain Hose Joint DB90-06701A GROMMET-HANGER DB63-00237A CARD WARRANTY DB68-02596B Samsung Electronics 2-45...
  • Page 51 Remote Control DB93-15882F Batteries for Remote Control 4301-000121 USER MANUAL DB68-08134A Essential Offer INSTALLATION MANUAL DB68-08135A (Indoor Unit) Remote Control Holder DB61-06087A M4 x 16 Tapped Screws 6002-000234 CARD WARRANTY DB68-02596B AC026RNADKG/EU AC035RNADKG/EU Cap Screws DB67-01404B AC052RNADKG/EU AC071RNADKG/EU 2-46 Samsung Electronics...
  • Page 52 Description Code No. Q’ty Remark USER MANUAL DB68-08132A INSTALLATION MANUAL DB68-08133A PLATE WALL DB61-01351A Remote Control DB93-15882F Indoor Unit Remote Control Holder DB61-06087A Batteries for Remote Control 4301-000121 M4 x 16 Tapped Screws 6002-000234 CARD WARRANTY DB68-02596B Samsung Electronics 2-47...
  • Page 53 ASSY DRAIN- HOSE DB94-02719B Cable tie DB65-00191A Seal-drain ass'y DB62-05810A Seal-drain ass'y DB94-05810F Standard / Indoor unit Seal-drain ass'y DB94-05810G Indoor unit installation DB68-08157A manual USER MANUAL DB68-08165A CARD WARRANTY DB68-02596B Bolt-flange 6009-001435 Standard / Panel INSTALL MANUAL DB68-05903A 2-48 Samsung Electronics...
  • Page 54 (Indoor Unit) Remote Control Holder DB61-06087A M4 x 16 Tapped Screws 6002-000234 CARD WARRNATY DB68-02596B Insulation B62-05580V install out Insulation install SVC DB62-05691C Cable-tie DB65-10088C Drain Plug DB67-20011A Essential Offer Rubber Leg DB67-01533A (Outdoor Unit) INSTALLATION MANUAL Samsung Electronics 2-49...
  • Page 55 3. Disassembly and Reassembly ■ Necessary Tools Item Remarks +SCREW DRIVER Adjustable Wrench (8mm, 10mm, 13mm) M6, M8 Hex Wrench Samsung Electronics...
  • Page 56: Indoor Unit

    Disassembly and Reassembly 3-1 Indoor unit ■ AC026RN1DKG / AC035RN1DKG Parts Procedure Remark PANEL And 1) Open the GRILLE as shown in the FILTER WIND figure. FREE TYPE - 3point (PC1NWFMAN) 2) Remove the FILTER from the PANEL. 3) Remove the 3 COVER SCREW as shown in the figure.
  • Page 57 CLIP WIRE. (Continues) 7) Remove the screws fixed in COVER DISPLAY, COVER MOTOR RIGHT and then remove the COVER DISPLAY, COVER MOTOR RIGHT. (Use +Screw Driver) 8) Disconnect the connector. (Remote control receiver PBA and Display PBA) Samsung Electronics...
  • Page 58 10) Remove the 4 HINGE and then separate the BLADE H. 11) Separate the SENSOR HUMIDITY. 12) Remove the 4 screws fixed in GUIDE AIR and then remove the GUIDE AIR. (Use +Screw Driver) 13) Separate the PLATE. Samsung Electronics...
  • Page 59 Disassembly and Reassembly Parts Procedure Remark 2) Separate 8 connecters on the PCB of the Indoor Unit. 3) Separate the Control In from the Indoor Unit. Drain Sub 1) Push the hook on the Drain Sub to separate it. Samsung Electronics...
  • Page 60 2) Separate an Indoor Sensor from the Heat Exchanger. 3) Separate the Heat Exchanger from the Indoor Unit. Cross Fan 1) Undo 3 fixing screws on the Cover Fan Motor. (Use +Screw Driver) 2) Separate the Cover Fan Motor from the Indoor Unit. Samsung Electronics...
  • Page 61 3) Separate the Cross Fan from the Indoor Unit. Drain Pump 1) Separate fixing screw in the Cover Drain Pump. (Use +Screw Driver) 2) Separate the Drain Hose from the Drain Pump. 3) Separate the Drain Pump from the Indoor Unit. Samsung Electronics...
  • Page 62 Disassembly and Reassembly ■ AC052RN4DKG/AC071RN4DKG/AC100RN4DKG/AC120RN4DKG/AC140RN4DKG Parts Procedure Remark Panel 1) Pull two levers below Samsung logo to open the grille. 2) Detach the safety clip and white link from the panel. 3) Remove the 2 fixed screws to remove the Control-B ox Cover.
  • Page 63 1) Disconnect the Connector Wire that is connected to the indoor unit’s PBA from the PBA. 2) Unscrew the 2 fixed screws on both sides of the Control Box, and disassemble the Control Box from the indoor unit. (Use +Screw Driver) Samsung Electronics...
  • Page 64 Control-Box to remove it. Drain Pan 1) Unscrew the screws on the 4 corners of the indoor unit. (Use +Screw Driver) 2) Remove the Drain Pan from the indoor unit. 3-10 Samsung Electronics...
  • Page 65 Drain- Hose fixed on the side of the indoor unit. (Use +Screw Driver) Evap. 1) Use your hand to remove the Temperature temperature sensor attached to the Sensor Evap Pipe along with the fixing clip. Samsung Electronics 3-11...
  • Page 66 1) Remove the screws of the 2 Steel Holder Evaps that are used to fix the Heat Exchanger, and then remove it. (Use +Screw Driver) 2) Remove the 2 fixing screws of the Partition Evap at the Heat Exchanger’s In/Out Pipe. (Use +Screw Driver) 3-12 Samsung Electronics...
  • Page 67 Disassembly and Reassembly Parts Procedure Remark 3) Remove the screw of the Cover Pipe that is used to fix the In/Out Pipe. Remove the In/Out Pipe. (Use +Screw Driver) 4) Remove the Heat Exchanger from the indoor unit’s cabinet. Samsung Electronics 3-13...
  • Page 68 Panel. (Use +Screw Driver) 3) Pull the hook of Panel and then separate the Panel from the Indoor Unit. Panel ▶ Open type Panel 1) Rotate the outside Panel to counterclockwise direction and then separate it. 3-14 Samsung Electronics...
  • Page 69 4) Pull up the Filter from the Grill and separate it. Control Box 1) Remove 2ea of screws which is fixed to the Indoor Unit upper part. (Use +Screw Driver) 2) Rotate the Guard Fan to counterclockwise direction and separate it Samsung Electronics 3-15...
  • Page 70 (Use +Screw Driver) 4) Put finger in the "PULL" marked groove and then pull up the Cover 5) Put finger in the "PULL" marked groove and then avoids the hook and it opens the Control Box Cover 3-16 Samsung Electronics...
  • Page 71 Drain Pan (Use +Screw Driver) 2) Push the hook and separate the Cover. Damage can occur to product in case of use a sharp tool. 3) Remove the screw which is fixed to Booster Fan. (Use +Screw Driver) Samsung Electronics 3-17...
  • Page 72 Disassembly and Reassembly Parts Procedure Remark Top Cover & 4) Pull the Booster Fan connector and separate the connector. Drain Pan 5) Remove the 4ea of screws (Use +Screw Driver) 6) Push the hook and separate the Cover. 3-18 Samsung Electronics...
  • Page 73 (Use +Screw Driver) 8) Remove the 2ea of screws. (Use +Screw Driver) 9) Push the hook and separate the Cover. 10) Remove 8ea of screws. (Use +Screw Driver) 11) Separate the Indoor Unit upper part from the Body. Samsung Electronics 3-19...
  • Page 74 12) Remove the 3ea of screws. Drain Pan (Use +Screw Driver) 13) Pull the hook that is on the side and separate the Cover. Drain Pump & 1) Separate the Drain Hose from the Hose Drain Pump. 3-20 Samsung Electronics...
  • Page 75 (Use Monkey Spanner) Temperature 1) Remove 6ea of screws which are Sensor fixed to Evaporator and separate the Partition. 2) Separates the Temperature Sensor which is fixed to Evaporator Pipe with the fixing clip together by the hand. Samsung Electronics 3-21...
  • Page 76 When assemble, be careful with the interference structure of piping projecting p 3) Separate the Evaporator from the Indoor Unit. If you remove the Evaporator with bare hands, it may injure your hands, gloves must be worn. 3-22 Samsung Electronics...
  • Page 77 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 3-23...
  • Page 78 Procedure Remark Fan & Motor 1) Disconnect 2 wires of Motor. 2) Detach Holder Motor by removing 2 screws. 3) Detach the Upper case of Fan. ( 4EA ) 4) Detach Bracket Grille by removing 2 Screws. 3-24 Samsung Electronics...
  • Page 79 1) Detach the Cabinet Front by removing 7 screws. 2) Remove 1 screw in the middle of drain pan. 3) Detach the Drian pan. Be careful that there might be some water left in the drain pan when you remove the drain pan. Samsung Electronics 3-25...
  • Page 80 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. Stepping 1) Detach the Connector. Motor 2) Detache the Stepping Motor by emoving 2 screws. 3-26 Samsung Electronics...
  • Page 81 Disassembly and Reassembly Parts Procedure Remark Holder Blade 1) Remove 4 screws at both side of the Holder blade. Samsung Electronics 3-27...
  • Page 82 1) Open the Grille by pressing 3 position. FILTER WIND (center and both side) FREE TYPE (PC1NWFMAN) 2) Detach the Air lnlet Grille. 3) Open the Cover of component Electrical Box removing 3 screws. (center and both side) 3-28 Samsung Electronics...
  • Page 83 Disassembly and Reassembly Parts Procedure Remark Fan & Motor 1) Detach the screw and untie earth wire of Motor. 2) Disconnect of housing of Motor Wire. 3) Disconnect the Capacity Wire. Samsung Electronics 3-29...
  • Page 84 Parts Procedure Remark 4) Loosen the Guard Safety by removing 6 screws. 5) Detach the Upper Case of Fan. (2EA) 6) Loosen the 4 screws what is fix the Motor. 7) Detach the Fan and Motor assembly. 3-30 Samsung Electronics...
  • Page 85 9) Detach the Fan. Drain Pan 1) Disconnect the Display PCB Wire as shown in picure. (White housing) 2) Disconnect the Step Motor Wire as shown in picture. (blue housing) 3) Dosassemble the Hanger Bracket by removing the 1 screw. Samsung Electronics 3-31...
  • Page 86 4) Loosen the 3 screws of Front Side. 5) Disassemble the assembly Front Cover Part. 6) Disconnect the Step Motor Wire as shown in picture. 7) Detach Wire Clamp fixed in Base Part. 8) Detach the Front Cover assembly completely. 3-32 Samsung Electronics...
  • Page 87 9) Loosen the screw what is fix with Base Part and Drain Pan. (Upper Sied:2EA) 10 ) Loosen the screw what is fix with Base Part and Drain Pan. (Lower Side:2EA) 11) Detach the Drain Pan completely. Samsung Electronics 3-33...
  • Page 88 3) Loosen the 2 screw shown in picture and and remove Plastic Part. (white) 4) Loosen the 2 screw shown in picture and remove Steel Bracket. 5) Disassemble the 4 screws Steel Plate in rear side of the unit. 3-34 Samsung Electronics...
  • Page 89 2) Detach FILTER PRE from the PANEL FRONT. 3) Cover Panel is assembled on bottom of indoor unit as shown in the figure. Remove the Cap Screw as shown on the right side and then remove the screw and separate the Cover Panel. 3-35 Samsung Electronics...
  • Page 90 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 3-36...
  • Page 91 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 3-37 Samsung Electronics...
  • Page 92 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 3-38...
  • Page 93 Disassembly and Reassembly Parts Procedure Remark 9) Remove the Panel Frame from the Main Frame as shown on the right side. Samsung Electronics 3-39...
  • Page 94 2) Disconnect Stepping Motor, EEV, Display, Sensor, SPI, Fuse Wire. When you separate the connector, pull pressing the locking button. 3) Disconnect Motor, Terminal Wire. When you separate the connector, pull pressing the locking button. 4) Loosen Earth Wire. 3-40 Samsung Electronics...
  • Page 95 Disassembly and Reassembly Parts Procedure Remark Tray Drain 1) To detach TRAY-DRAIN from the main frame, pull the bottom of the TRAY- DRAIN towards you. Samsung Electronics 3-41...
  • Page 96 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. 3-42 Samsung Electronics...
  • Page 97 Fan motor & 1) Unfasten the screw. Cross fan (use + Screw Driver) 2) Detach the FAN Motor case. 3) Unfasten the screw a little. (use + Screw Driver) 4) Pull the CROSS-FAN to the left side. Samsung Electronics 3-43...
  • Page 98 PANEL FRONT. (use + Screw Driver) 4) Loosen connector wire(white) and detach the temperature sensor wire. 5) To detach the FRONT-PANELthe main frame, unfasten 2 screw at the bottom. (use + Screw Driver ) 6) Take off the FRONT-PANEL,lifting up the bottom 3-44 Samsung Electronics...
  • Page 99 3) To detach TRAY-DRAIN from the main frame , pull the bottom of the TRAY- DRAIN towards you. CONTROL IN 1) Unfasten the earth screw. (use + ScrewDriver) 2) Detach the temperature sensor and Humidity sensor. 3) Detach the temperature sensor. Samsung Electronics 3-45...
  • Page 100 (use + Screw Driver) 1) Loosen the STEP UP/DOWN connector (CN802). Caution When you separate the connector, pull pressing the locking button. 2) Loosen the FUSE CHK connector (CN140). Caution When you separate the connector, pull pressing the locking button. 3-46 Samsung Electronics...
  • Page 101 5) Loosen the DISPLAY connector. (CN501). Caution The terminal is locking type. So, when you separate terminals, pull pressing the button. 6) Loosen the POWER connector. Caution When you separate the connector, pull pressing the locking button. Samsung Electronics 3-47...
  • Page 102 9) Take off the main PBA from the ASS’Y Control in. Caution When you take off the PBA, don’t touch the components. Please hold the PBA both side. EVAPORATOR 1) Unfasten the screw at the right side. (use + ScrewDriver) 3-48 Samsung Electronics...
  • Page 103 3) Detach the HOLDER PIPE. (use + Screw Driver) 4) Detach the BRACKET-EVAP. (use + Screw Driver) 5) Detach the HOLDER EVAP. (use + Screw Driver) 6) Loosen 1 fixing earth screw right side. (use + Screw Driver) Samsung Electronics 3-49...
  • Page 104 3) unfasten the screw a little and pull the MOTOR FAN to the right side. (use + Screw Driver) 4) Loosen 1 fixing screws of HOLDER-FAN. (use + Screw Driver) 5) unfasten the screw a little. (use + Screw Driver) 3-50 Samsung Electronics...
  • Page 105 Disassembly and Reassembly ■ AC026RNLDKG / AC035RNLDKG Parts Procedure Remark Motor & Blower 1) Disassemble the Cabinet Top Motor. - Unscrew 8 screws 2) Disassemble the Cover Blower Upper with pushing its hook. 3) Disassemble the Cover Control. - Unscrew 2 screws Samsung Electronics 3-51...
  • Page 106 5) Disassemble the Motor wire with pushing the clip. 6) Disassemble the band Motor for fixing the Motor. - Unscrew 2 screws 7) After disassembling the Motor and Blower for the set, disassemble the Blower by use of 3mm wrench. 3-52 Samsung Electronics...
  • Page 107 1) Disassemble the Cabinet Top Evap. - Unscrew 11 screws 2) Disassemble the Bracket Outlet Sub that fixes the Drain Pan equipped on the front of the set. - Unscrew 6 screws 3) Disassemble the Drain Cushion from the set. Samsung Electronics 3-53...
  • Page 108 Inlet air temperature sensor, and EEV wire that connected to the inside of PCB. 3) Disassemble the Support Evap. LF that fixes the Evaporator. - Unscrew 2 screws 4) Disassemble the Support Evap RH. - Unscrew 2 screws 3-54 Samsung Electronics...
  • Page 109 - Unscrew 1 screw 3) In case of disassembling the Case Control, disassemble the Case Control from the set after unscrewing the screw connected to the direction of Blower. - Disassemble if after disassembling the Cabinet Top Motor 1-1. Samsung Electronics 3-55...
  • Page 110 Disassembly and Reassembly Parts Procedure Remark Bracket Outlet 1) Disassemble the Bracket Outlet assembled on the Cabinet. - Unscrew 10 screws 3-56 Samsung Electronics...
  • Page 111 Motor & Blower 1) Disassemble the Cabinet Bottom Fan. - Unscrew 10 screws 2) Disassemble the Case Filter Pre. 3) Disassemble frame-up. - Unscrew 2 screws 4) Disassemble the case blower. - Unscrew 3 screws 5) Disassemble cover control. - Unscrew 2 screws Samsung Electronics 3-57...
  • Page 112 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 6 screws 3-58 Samsung Electronics...
  • Page 113 2) Pull the Drain Pan Out. EVAP 1) Disassemble the Cover Pipe. - Unscrew 2 screws 2) 1)Disassemble the Support Evap and hold evap. - Unscrew 3 screws 3) Disconnect the wire between assy control out and Evap. Samsung Electronics 3-59...
  • Page 114 Parts Procedure Remark 4) Then pull the Evap out. Cushion 1) Pull out the seal Cushion front. 2) Disassemble the Seal Cushion Right. - Unscrew 1 screws. 3) Disassemble the Assy Cushion LF. - Unscrew 1 screws. 3-60 Samsung Electronics...
  • Page 115 1) Loosen 2 screws of Assy control in and Remove the assy control in. 2) Remove wires from wire saddle. 3) clip cable tie. (It is necessary to re-tie “cable tie” on re-assembly,then place in wire saddle .) Samsung Electronics 3-61...
  • Page 116 Disassembly and Reassembly Parts Procedure Remark Frame 1) Disassemble the Frame. - Unscrew 4 screws 3-62 Samsung Electronics...
  • Page 117 Motor & Blower 1) Disassemble the Cabinet Bottom Fan. - Unscrew 10 screws 2) Disassemble the Case Filter Pre. 3) Disassemble the 2 Case Blower Bottom. - Unscrew 4 screws 4) Disassemble the Cover Control. - Unscrew 2 screws 5) Cut the cable-tie Samsung Electronics 3-63...
  • Page 118 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 3-64 Samsung Electronics...
  • Page 119 - 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 between assy control out and Evap. Samsung Electronics 3-65...
  • Page 120 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 3-66 Samsung Electronics...
  • Page 121 1) Disassemble the both of Case Blower Out. Bracket 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 3-67...
  • Page 122 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 3-68 Samsung Electronics...
  • Page 123 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 3-69...
  • Page 124 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 3-70 Samsung Electronics...
  • Page 125 Disassembly and Reassembly Parts Procedure Remark 5) Disassemble the Bracket Motor. - Unscrew 6 screws 6) Disassemble the 3 Case Blower Out. - Unscrew 6 screws Samsung Electronics 3-71...
  • Page 126 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 3-72 Samsung Electronics...
  • Page 127 3) Remove the 2 fixed screws to remove the Control-Box Cover. (Use +Screw Driver) 4) Remove the remote control-receiver, blade conector and humidity sensor wires from the PBA. (4EA) 5) Push the 4 panel corners and cover downwards to remove it. Samsung Electronics 3-73...
  • Page 128 Remove the panel from the indoor unit. Blade 1) Remove the hinge-blade and blade. Display PBA 1) Remove the cover display. 2) Remove the cover PBA from the cover display. 3-74 Samsung Electronics...
  • Page 129 1) Remove the humidity sensor from the Sensor panel. Step motor 1) Unscrew 2 screws on cover motor. (Use +Screw Driver 2) Remove 2 cover motor. 3) Remove the 2 fixed screws and disassemble the step motor. (Use +Screw Driver) Samsung Electronics 3-75...
  • Page 130 1) Disconnect the Connector Wire that is connected to the indoor unit’s PBA. 2) Unscrew the 2 fixed screws on both sides of the Control Box, and disassemble the Control Box from the indoor unit. (Use +Screw Driver) 3-76 Samsung Electronics...
  • Page 131 Control-Box to remove it. Drain Pan 1) Unscrew the screws on the 4 corners of the indoor unit. (Use +Screw Driver) 2) Remove the Drain Pan from the indoor unit. Samsung Electronics 3-77...
  • Page 132 Drain- Hose fixed on the side of the indoor unit. (Use +Screw Driver) Evap. 1) Use your hand to remove the Temperature temperature sensor attached to the Sensor Evap Pipe along with the fixing clip. 3-78 Samsung Electronics...
  • Page 133 1) Remove the screws of the Steel Holder Evaps that are used to fix the Heat Exchanger, and then remove it. (Use +Screw Driver) 2) Remove the 2 fixing screws of the Partition Evap at the Heat Exchanger’s In/Out Pipe. (Use +Screw Driver) Samsung Electronics 3-79...
  • Page 134 Disassembly and Reassembly Parts Procedure Remark 3) Remove the screw of the Cover Pipe that is used to fix the In/Out Pipe. Remove the In/Out Pipe. (Use +Screw Driver) 4) Remove the Heat Exchanger from the indoor unit’s cabinet. 3-80 Samsung Electronics...
  • Page 135 Procedure Remark Cabi Parts 1) 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 3-81...
  • Page 136 Disassembly and Reassembly Parts Procedure Remark Electrical 1) Open the cover of Control Box(ⓓ). Parts ⓓ 2) Pull the PBA out along the slide guide. 3) Cut the Cable tie. 4) Pull all wires out from the PBA. 3-82 Samsung Electronics...
  • Page 137 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 3-83...
  • Page 138 . 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. 3-84 Samsung Electronics...
  • Page 139 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 3-85...
  • Page 140: 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. 3-86 Samsung Electronics...
  • Page 141 Disassembly and Reassembly Parts Procedure Remark common work 4) loosen 2 screws to disassemble steel-bar. 5) Loosen 2 screws to disassemble the cabi left and detach it. Samsung Electronics 3-87...
  • Page 142 & 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. 3-88 Samsung Electronics...
  • Page 143 Heat 1) Release the refrigerant at first exchanger 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 3-89...
  • Page 144 1) disconnect the compressor lead wire. 2) disassembly the felt comp sound. loosen the 3 bolts at the bottom. When removing the compressor, Heat Exchanger, and Pipe, purge the refrigerant inside the Compressor completely and remove the pipe with a welding flame. 3-90 Samsung Electronics...
  • Page 145 1) Unscrew 2 fix screws under cable communication holders and remove. cable 2) Get rid of cable tie of communication cable. 3) Unscrew the numbers of screws on terminal block and separate power and communication ‘Ring’cables from terminal block. Samsung Electronics 3-91...
  • Page 146 Disassembly and Reassembly Parts Procedure Remark ASS’Y 1) Unscrew and remove 9 screws on CABINET SIDE Cabinet-side rh. (Use + Screw Driver) ASS’Y 1) Unscrew and remove 8 screws on Assy CABINET Cabinet Front. FRONT (Use + Screw Driver) 3-92 Samsung Electronics...
  • Page 147 3) Unscrew and remove 2 screws on of Assy Control out. 1) Take Fan Propeller apart. PROPELLER + MOTOR 2) Unscrew and remove 4 screws on Motor to take apart Motor. (Use + Screw Driver) Samsung Electronics 3-93...
  • Page 148 3) Separate the pipe from the Entrance and Exist by using a welder. 4) Separate Heat Exchanger from Unit. When removing the Compressor, Heat Exchanger, and Pipe, Purge the Refrigerant inside the Compressor completely and remove the pipe with a weld-ing flame. 3-94 Samsung Electronics...
  • Page 149 1) Unscrew 2 fix screws under cable communication holders and remove. cable 2) Get rid of cable tie of communication cable. 3) Unscrew the numbers of screws on terminal block and separate power and communication ‘Ring’cables from terminal block. Samsung Electronics 3-95...
  • Page 150 Parts Procedure Remark Ass’y cabinet 1) Unscrew and remove 10 screws on side rh Cabinet-side rh. (Use + Screw Driver) Ass’y cabinet 1) Unscrew and remove 7 screws on Assy front Cabinet Front. (Use + Screw Driver) 3-96 Samsung Electronics...
  • Page 151 3) Unscrew and remove 2 screws on of Assy Control out. Fan propeller 1) Take Fan Propeller apart. + Motor 2) Unscrew and remove 4 screws on Motor to take apart Motor. (Use + Screw Driver) Samsung Electronics 3-97...
  • Page 152 4) Separate Heat Exchanger from Unit. When removing the Compressor, Heat Exchanger, and Pipe, Purge the Refrigerant inside the Compressor completely and remove the pipe with a weld-ing flame. Reassembly procedures are in the reverse order of dissasembly procedures. 3-98 Samsung Electronics...
  • Page 153 Cabi Install 1) Unscrew and remove 1 screw in the Front 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 3-99...
  • Page 154 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) 3-100 Samsung Electronics...
  • Page 155 Bracket Motor 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 3-101...
  • Page 156 Coolant inside the Compressor completely and remove the pipe with a welding flame. Cabi Top 1) Unscrew and remove 2 mounting screws in Service Valve. (Use +Screw Driver) 2) Separate the pipe from the Entrance/ Exit using a welder. 3-102 Samsung Electronics...
  • Page 157: Troubleshooting

    • Set the SEG2~SEG6, SEG8~SEG12 in the ON status and SEG14~18, SEG20~24 in the OFF status. 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 158 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 159 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 160 Check operation Step 5 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 161: Order For Setting Options (Wired Remote Controller)

    ▶ Press the Esc button to exit to normal mode. • While setting the data, you can use the [<]/[>] buttons to set the range of Data bit. • While configuring the setting, press the Esc button to exit to the setting sub-menu without saving your changes. Samsung Electronics...
  • Page 162: Setting An Indoor Unit Installation Option

    Use of drain pump Wind-Free mode Remote Controller Display Indication Details Indication Details Indication Details RESERVED RESERVED RESERVED Disuse Maintain blade status in Wind- Indication Free mode and Details (Default) Use + Cooling 3minute Operation delay by Opening the bla Samsung Electronics...
  • Page 163 ∙ If you set the Maximum filter usage time (SEG18) option to a value other than 2 and 6, it is automatically set to 2 (1000 hours). ∙ If you set the Individual control with remote control (SEG20) option to a value other than 0 to 4, it is automatically set to 0 (Indoor 1). Samsung Electronics...
  • Page 164: Changing A Particular Option

    SEG4 SEG5 SEG6 The option The tens’ digit of The unit digit of Explanation PAGE MODE mode you want an option SEG an option SEG The changed value to change you will change you will change Indication Ex) When setting the 'buzzer control' into disuse status. Samsung Electronics...
  • Page 165: Option Code For Each Model

    Troubleshooting 4-1-6 Option code for each model AC026RN1DKG 01717C-1930F8-271A21-371120 AC035RNMDKG 01B17C-1C5080-272328-372008 AC035RN1DKG 01717C-19344D-272328-371120 AC052RNMDKG 01B17C-1C50F1-27343C-374000 AC026RNNDKG 01517F-1910C8-271A22-370000 AC071RNMDKG 01B17C-1C5436-274750-376000 AC035RNNDKG 01517F-1930F9-272328-370000 AC100RNMDKG 01B17C-1C549F-276470-375020 AC052RNNDKG 01517F-19345D-27343C-370040 AC120RNMDKG 01B17C-1C5424-277882-374040 AC071RNNDKG 01517F-194581-274750-370040 AC140RNMDKG 01B17C-1C5424-278CA0-374045 AC052RN4DKG 01417F-1940A8-27343C-370000 AC026RNADKG 01017F-191448-271A21-371200 AC071RN4DKG 01417F-1940C8-274750-370000 AC035RNADKG 01017F-19548C-272328-371700 AC100RN4DKG...
  • Page 166: Items To Check Before Diagnostics

    1: Heating 2: Down 3 : Over-load 3: Up_limit 4 : Discharge 4: Down_limit 5 : Total electric current IPM temperature Hundreds digit Tens digits Units digit The number of Tens digits Units digit connected indoor units 4-10 Samsung Electronics...
  • Page 167 Example) • After selecting the function for options, press and hold the K2 switch for 2 seconds. Edited value of the option will be saved when entire segments blinks and tracking mode begins. Samsung Electronics 4-11...
  • Page 168 – If you press and hold the K4 button, setting will be restored to factory default but it doesn't mean that restored setting is saved.Press and hold the K2 button. When the segments shows that tracking mode is in progress, setting will be saved. 4-12 Samsung Electronics...
  • Page 169: Eco Mode [Power Saving Mode]

    Segment 3 Segment 4 Eco Mode BLANK BLANK BLANK BLANK Press K3 to go out from the eco mode. Eco Mode Exit At the driving signal or test run (cooling/heating) of the user, the mode is released. Samsung Electronics 4-13...
  • Page 170: Four Directions Cassette Type

    Outdoor valve clogging error. • High pressure check valve cloggin MDS (Motion Detecting Sensor) Error • Check MDS Error due to connecting outdoor units • Check outdoor main PBA S/W Che that do not support the Wind-Free function 4-14 Samsung Electronics...
  • Page 171 Operation-off Operation-off Operation-off rror.(OPEN) Operation-off Operation-off Operation-off n filled with water. PROM component. e options. Operation-off Operation-off Operation-off door and outdoor machine models Operation-off Operation-off Operation-off eck outdoor EEPROM : On : Blink X : Off Samsung Electronics 4-15...
  • Page 172: Outdoor Unit

    E422 Blockage detected on high pressure pipe 3. Check if there's any blockage on the refrigerant cycle (indoor unit/outdoor unit) 4. Check if Additional refrigerant has been added after pipe extension 4-16 Samsung Electronics...
  • Page 173 E557 DPM remote controller option error Check the indoor option code Check the outdoor EEPROM data and indoor E563 Error due to mismatching indoor and outdoor unit cycle option code E590 Inverter EEPROM Checksum error Samsung Electronics 4-17...
  • Page 174: Wired Remote Controller

    Check whether the outdoor unit service valve is High pressure blockage error open. Self diagnostic (Refrigerant completely Check the connection of the pipes. Operation Off error Leakage error) Check the operation of the EEV. Check for refrigerant leakage. (Completely leakage). 4-18 Samsung Electronics...
  • Page 175 Check the input power connection Outdoor unit [Inverter] DC LINK voltage Check the status of RY21 and R200 in the INVERTER Operation Off protection sensor error control error Outdoor unit EEPROM Read/Write error Operation Off protection control error Samsung Electronics 4-19...
  • Page 176 Normal operation installation error the COM2 terminal of the indoor unit controller error Wired remote controller Check that Com1, Com2 setting DIP switch is set to Wired remote Normal operation COM2 option setting error Com2 controller error 4-20 Samsung Electronics...
  • Page 177: Troubleshooting By Symptoms

    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 Samsung Electronics 4-21...
  • Page 178: Indoor Heat Exchanger 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 Failure of the indoor heat exchanger 14.70 temperature sensor (replace) 18.00 Restart the system after replacing the 22.00 28.30 33.90 42.30 4-22 Samsung Electronics...
  • Page 179: Indoor Fan Error

    Is the RPM of motor less output. than 120? Motor ③↔⑤ : ↓ ↓ Is voltage of DC 0V~DC 6V displayed? 1 2 3 4 5 6 Check the motor and Check the PCB and replace it. replace it Samsung Electronics 4-23...
  • Page 180: Communication Error After Finishing Tracking

    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 4-24 Samsung Electronics...
  • Page 181: Indoor Unit Float Sensor Error

    AC 220V? Is the water level in drain pan decreasing? Replace the drain pump Replace the indoor unit PCB Normal operation • Float sensor error is cleared only when the Replace the drain pump indoor power is reset Samsung Electronics 4-25...
  • Page 182: Eeprom Circuit Failure

    EEPROM component failure, EEPROM circuit parts missing/damaged/soldering failure Power on. E162 occurs. Are EEPROM SUM PBA correctly assembled? Reassemble EEPROM PBA. Is there a problem in soldering failure or short of between EEPROM PIN? Remove short or soldering failure. Replace EEPROM PBA. 4-26 Samsung Electronics...
  • Page 183: E407

    (Error that only covers an outdoor unit capacity of 7.1 KW or less) E407 occurs Is the CN003 connector of MAIN PCB correctly Connected? Re-operation after connecting Check the Pressure of the Comp And High Pressure Swich (Nomal : Short / Fault : Open) Samsung Electronics 4-27...
  • Page 184 1. Is there a fault in the connection of the power 1. Connect the power wire. supply to Main PCB and EMI PCB? 2. Turn on the Terminal Box and check whether normal power is supplied to the outdoor unit. Continue 4-28 Samsung Electronics...
  • Page 185: When The Outdoor Unit Power Is Not On - Initial Diagnosis : 3-Phase Products

    Terminal Box! When detaching and attaching the connector 2. Turn on the Terminal Box and check whether during power supply, the motor can be damaged.) normal power is supplied to the outdoor unit. → If it is normal, replace the Fan Motor. Samsung Electronics 4-29...
  • Page 186 1. Is there a fault in the connection of the power 1. Connect the power wire. supply to Main PCB 2. Turn on the Terminal Box and check whether and EMI PCB? normal power is supplied to the outdoor unit. Continue 4-30 Samsung Electronics...
  • Page 187 Terminal Box! When detaching and attaching the 2. Turn on the Terminal Box and check whether connector during power supply, the normal power is supplied to the outdoor unit. motor can be damaged.) → If it is normal, replace the Fan Motor. Samsung Electronics 4-31...
  • Page 188: Indoor/Outdoor Communication Error (1Min.) (Error Code : E202)

    Check the communication circuit of the Main PCB of the outdoor unit. Replace the Main PCB of the outdoor unit. 1. Is there a fault in communication IC? 2. Is there a fault in TVS-Diode? Continue 4-32 Samsung Electronics...
  • Page 189 COM 1(RED) #6 - #5 0.9kΩ ~ 1.2kΩ Measuring after separating the communicatio #7 - #5 0.9kΩ ~ 1.2kΩ connection #8 - #5 4.7Vdc ~ 5.3Vdc TVS-Diode Measuring Steady-state Measuring Value Both ends of diode 1kΩ or above Samsung Electronics 4-33...
  • Page 190: Communication Error Between Outdoor Unit Inv ↔ Main Micom (1 Min.)(Error Code: E203)

    2. If Red - ON, Green - OFF, and Yellow - Blink are displayed in the LED display of outdoor unit Inverter, and there is no indication in 7-segment of outdoor unit Main PCB, replace the Main PCB → The outdoor unit Inverter PCB is normal. 4-34 Samsung Electronics...
  • Page 191: Outdoor Sensor Error (Error Code : E221, E231, E251, E320)

    Current temp(°C) Resistance(kΩ) Current temp(°C) Resistance(kΩ) - Resistance : 205.4KΩ After checking normal operation, Does same error occur again after power end the service. Replace the outdoor unit PCB. → Power ON → After confirming the state is normal, end the service. Samsung Electronics 4-35...
  • Page 192: Reverse Phase / Loss Phase Detection (3-Phase Outdoor Unit) (Error Code : E425 )

    3) If 3-phase power is normal check the phase of the power wire using 3-phasetester. If it shows reverse phase, change the current power wire connection. 4) After completing above, press reset key (K3) then check the power again. 3-phase tester 4-36 Samsung Electronics...
  • Page 193: Compressor Down Due To Freezing Control (Error Code : E403)

    Is the indoor Fan/Motor normal operation? Check the relevant indoor Fan Is the sensor on indoor heat exchanger display the temperature correctly? Refer to other temperature sensor error section to check for error. Check the clogging of indoor air inlet part. Samsung Electronics 4-37...
  • Page 194: Outdoor Unit Fan Error (Error Code : E458, E475)

    → If the error is indicated on 7-segment of the Main PCB of the outdoor unit, the Main PCB of the outdoor unit has no fault. → In case of a control problem, it is possible to solve with S/W update. 4-38 Samsung Electronics...
  • Page 195: Compressor Starting Error / Rotation Error (Error Code : E461, E467)

    3. Replace the compressor : When loud abnormal from compressor rotation? noise generates (metal cutting or grinding noise), or severe vibration. Is there a reading of MegaΩ of resistance Replace the compressor. between compressor body and chassis? Continue Samsung Electronics 4-39...
  • Page 196 → This error is related to the compressor and Inverter PCB. (Not related to the above PCB) ※ Ensure that the service valve is open! → When the service valve is closed, the defects may be caused by differential pressure when starting the compressor. 4-40 Samsung Electronics...
  • Page 197: Full Current Error / Pfc Over-Current Error (Error Code : E462, E484)

    2. Remove obstacle on the outlet and secure the space. Is service valve fully opened? Open the valve. Is compressor running properly? Replace the compressor. After replacing the Inverter PCB of the outdoor unit, check for normal startup. → End the service. Samsung Electronics 4-41...
  • Page 198: Ipm Over Current Error (Error Code : E464)

    Is the indoor unit installed properly? the space. 2. Remove obstacle on the outlet and secure the space. Install again by following the standard Is indoor and outdoor unit wiring/piping specifications. installed properly? ① ② ③ Piping Bad installation Wiring Continue 4-42 Samsung Electronics...
  • Page 199 Is there a reading of MegaΩ of resistance Replace the compressor. between compressor body and chassis? Turn off the power and change the location of Are the position and measuring value of the the temperature sensor or replace it. temperature sensor normal? Continue Samsung Electronics 4-43...
  • Page 200 → This error is related to the Inverter PCB. (Not related to the above PCB) ※ Ensure that the service valve is open! → When the service valve is closed, the defects may be caused by differential pressure when starting the compressor. 4-44 Samsung Electronics...
  • Page 201: Dc Link Over-Current / Low-Voltage Error (Error Code : E466)

    2. Are the power wire of the Power Terminal Box and Terminal Box and the power wire. → Check terminal firmly assembled? the normal operation. → End the service. After replacing the Inverter PCB of the outdoor unit, check for normal startup. → End the service. Samsung Electronics 4-45...
  • Page 202: Gas Leakage Error (Error Code : E554)

    3. Replace the compressor : When loud abnormal noise generates (metal cutting or grinding noise), or severe vibration. Install again by following the standard Is indoor and outdoor unit wiring/piping specifications. installed properly? ① ② ③ Bad installation Piping Continue Wiring 4-46 Samsung Electronics...
  • Page 203 Gas leakage error (Error Code : E554)(Cont.) Continue Open the valve. Is service valve fully opened? Is the indoor EVA sensor correctly Reconnect the sensor connector. connected? Charge the refrigerant. Is refrigerant charged? Replace the inverter PCB. Samsung Electronics 4-47...
  • Page 204: Pipe Blockage Error (Error Code : E422)

    After that, recharge. or EEV appear? Check the temperature value through S-NET, Is it defect of indoor etc. and then if there is a fault, machine EVA sensor replace and reconnect. and connection state? 4-48 Samsung Electronics...
  • Page 205: Smart Install Mode Was Not Carried Out (Error Code : E508 )

    It will enter the general operation stand by mode. ▶ Smart Install failure: Error code blink ※ In the event of Error Error code reference, please carry a house from scratch after an action mode for the Smart Install Error. Samsung Electronics 4-49...
  • Page 206 E508 (Smart install mode was not carried out).Upon resolving the problem, try to complete running the installation smart install mode. ※ Displayed E508 is not a malfunction, it is indication that did not carried out the smart Install mode after air conditioner installation. 4-50 Samsung Electronics...
  • Page 207: Others

    - It is not the error code in the product and it is a specification to protect the product by limiting the temperature scope of use. - Use by referring to the temperature scope of use on the product manual, etc. Samsung Electronics 4-51...
  • Page 208 17. Mismatching indoor unit and outdoor unit error : E563 AC026/035/052RNJDKG : - AC***RNJDKG models are not available to install DPM. Do not install DPM. The other models : - Check the indoor unit cycle option code. 4-52 Samsung Electronics...
  • Page 209: Pcb Diagram And Parts List

    5. PCB Diagram and Parts List 5-1 Indoor Unit 5-1-1 MAIN PCB ■ AC026/035RN1DKG AC052/071/100/120/140RN4DKG AC052/071RNCDKG AC026/035/052/071RNNDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 210 #8 : COM2_C(COM2_F3) #9 : COM2_D(COM2_F4) #10 : COM2_Tx #11 : COM2_Rx #12 : GND CN801-SPI TE04-COMMUNICATION ㉑ ㉒ #1: GND #1: COM1(F1) #2: GND #2: COM1(F2) #3: SPI SIGNAL (DC12V) #3: V1(DC12V) #4: V2(GND) #5: COM2(F3) #6: COM2(F4) Samsung Electronics...
  • Page 211 PCB Diagram and Parts List ■ AC071/100/120/140RN4PKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 212 #1 : DC 12V #1 : COM1(F1) #1 : AC POWER(L) #2 : GND #4 : REMOCON SIGNAL #2 : COM2(F2) #2 : AC POWER(N) #5 : GND #3 : V1(DC12V) #4 : V2(GND) #5 : COM2(F3) #6 : COM2(F4) Samsung Electronics...
  • Page 213 PCB Diagram and Parts List ■ AC026/035/052/071RNADKG AC100RNTDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 214 #4 : COM2_ENABLE #6 : EEPROM_SI #5 : EXT_CTRL #7 : EEPROM_CLK #6 : COMP_OPER_CHECK #7 : ERROR_CHECK #8 : COM2_PS_OUT(DC5V) #9 : GND #10 : DC12V #11 : COM2_PTCRL_MICOM #12 : COM2_VCHECK_A #13 : COM2_VCHECK_B #14 : COM2_VCHECK_AD Samsung Electronics...
  • Page 215 PCB Diagram and Parts List ■ AC026/035/052/071RNLDKG Samsung Electronics...
  • Page 216 #5 : COM2(F3) #6 : RPM EFFDBACK #6 : EEPROM_SI #5 : COM2_MICOM_AD #6 : COM2(F4) #7 : EEPROM_CLK #6 : Vcc_PS_OUT(DC5V) #7 : COM2_ENABLE #8 : COM2_C(COM2_F3) #9 : COM2_D(COM2_F4) #10 : COM2_Tx #11 : COM2_Rx #12 : GND Samsung Electronics...
  • Page 217 PCB Diagram and Parts List ■ AC035/052/071/100/120/140RNMDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 218 #4 : COM2_VCHECK_B #5 : COM2(F3) #6 : EEPROM_SI #5 : COM2_MICOM_AD #6 : COM2(F4) #7 : EEPROM_CLK #6 : Vcc_PS_OUT(DC5V) #7 : COM2_ENABLE #8 : COM2_C(COM2_F3) #9 : COM2_D(COM2_F4) #10 : COM2_Tx #11 : COM2_Rx #12 : GND 5-10 Samsung Electronics...
  • Page 219 PCB Diagram and Parts List ■ AC026/035/052RNJDKG Samsung Electronics 5-11...
  • Page 220 #2 : COM2(F4) #2 : GND #2 : GND #3 : SPI SIGNAL (DC 12V) ⑰ CN804 : VENTILATOR ⑱ CN302 : EEPROM #1 : DC 12V #1 : DC12V #2 : VENT SIGNAL OUTPUT(GND) #2~#5 :LOUVER SIGNAL 5-12 Samsung Electronics...
  • Page 221 PCB Diagram and Parts List ■ AC100/120/140RNCDKG 10 11 Samsung Electronics 5-13...
  • Page 222 #3 : COM2_VCHECK_A #5 : EEPROM_SO #4 : COM2_VCHECK_B #6 : EEPROM_SI #5 : COM2_MICOM_AD #7 : EEPROM_CLK #6 : Vcc_PS_OUT(DC5V) #7 : COM2_ENABLE #8 : COM2_C(COM2_F3) #9 : COM2_D(COM2_F4) #10 : COM2_Tx #11 : COM2_Rx #12 : GND 5-14 Samsung Electronics...
  • Page 223: Display Pcb

    #5 : CENTER 3 COLOR LED - RED #6 : CENTER LED – ICE BLUE #7 : VISUALIZATION LED_SECTION1, LAYER1 #8 : VISUALIZATION LED_SECTION1, LAYER2 #9 : VISUALIZATION LED_SECTION1, LAYER3 #10 : VISUALIZATION LED_SECTION2, LAYER1 This Document can not be used without Samsung’s authorization. Samsung Electronics 5-15...
  • Page 224: Sub Pcb

    PCB Diagram and Parts List 5-1-3 Sub PCB ■ AC026/035/052/071RNADKG 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 This Document can not be used without Samsung’s authorization. 5-16 Samsung Electronics...
  • Page 225: Bldc Pba

    CN501 : TO MAIN SIGNAL #1 : DC12V #2 : GND #3 : DC5V #4 : BLDC POWER RELAY #7 : GND #8 : FAN FEEDBACK #10 : FAN RPM This Document can not be used without Samsung’s authorization. Samsung Electronics 5-17...
  • Page 226: Outdoor Unit

    PCB Diagram and Parts List 5-2 Outdoor Unit 5-2-1 MAIN PCB ■ AC026/035/052/071RXADKG/EU 20 21 This Document can not be used without Samsung’s authorization. 5-18 Samsung Electronics...
  • Page 227 #8: AC LOAD2 CM302- SOLUTION CN202-EEPROM CN305-EARTH ㉑ ㉒ ㉓ ㉔ CM301-INDOOR- OUTDOOR COMM #1 : R1+ #1~7 : EEPROM #1: EARTH #2 : R2- #1: F1 #2: F2 This Document can not be used without Samsung’s authorization. Samsung Electronics 5-19...
  • Page 228 PCB Diagram and Parts List ■ AC100/120/140RXAD*G 5-20 Samsung Electronics...
  • Page 229 #3 : DC 12V #4 : COMP/OPER. SIGNAL OUTPUT (GND) ⑫ ⑬ #1 : QUITE SWITCH #1 : DRM1 #2 : GND #2 : DRM2 #3 : DRM3 #4 : GND #5 : COMM(R1) #6 : COMM(R2) Samsung Electronics 5-21...
  • Page 230 #3 : GND #CN402 : Comp. V-Phase (BLU) N_ : AC POWER(N) #4 : DC 15V #4 : DC 15V #CN403 : Comp. W-Phase (YEL) #5 : FAN RPM #5 : FAN RPM #6 :RPM FEEDBACK #6 :RPM FEEDBACK 5-22 Samsung Electronics...
  • Page 231 #3 : GND #2 : COMP-V PHASE N_ : AC POWER(N) #4 : DC 15V #4 : DC 15V #3 : COMP-W PHASE #5 : FAN RPM #5 : FAN RPM #6 :RPM FEEDBACK #6 :RPM FEEDBACK Samsung Electronics 5-23...
  • Page 232 #1~#2 : Reactor #3 : GND #3 : GND #2 : COMP-V PHASE #4 : DC 15V #4 : DC 15V #3 : COMP-W PHASE #5 : FAN RPM #5 : FAN RPM #6 :RPM FEEDBACK #6 :RPM FEEDBACK 5-24 Samsung Electronics...
  • Page 233 #1~#2 : Reactor #3 : GND #3 : GND #2 : COMP-V PHASE #4 : DC 15V #4 : DC 15V #3 : COMP-W PHASE #5 : FAN RPM #5 : FAN RPM #6 :RPM FEEDBACK #6 :RPM FEEDBACK Samsung Electronics 5-25...
  • Page 234: Inverter Pcb

    PCB Diagram and Parts List 5-2-2 INVERTER PCB ■ AC026/035RXADKG This Document can not be used without Samsung’s authorization. 5-26 Samsung Electronics...
  • Page 235 #1 : N CNP401 – COMP CNP051,CNP052 –REACTOR DOWNLOAD ⑨ ⑩ ⑪ #1 : W Phase #1 : REACTOR #1~#20 : DOWNLOAD #2 : V Phase #3 : U Phase This Document can not be used without Samsung’s authorization. Samsung Electronics 5-27...
  • Page 236 CN581-ECO COMM CN401, 402, 403-COMP CN051, 052-REACTOR CN551-DOWNLOAD ⑨ ⑩ ⑪ ⑫ #1~7: ECO COMM port #CN401: U, RED #CN501,052: REACTOR #1~20: DOWNLOAD #CN402: V, BLU #CN403: W, YEL This Document can not be used without Samsung’s authorization. 5-28 Samsung Electronics...
  • Page 237: Emi Pba

    CN701 : POWER ④ CN5 : AC POWER(N) #1 : AC POWER(N) #1 : AC POWER(L) #1 : AC POWER(L) #1 : AC POWER(N) #3 : AC POWER(N) CN4 : AC POWER(L) ⑤ #1 : AC POWER(L) Samsung Electronics 5-29...
  • Page 238 PCB Diagram and Parts List ■ AC100/120/140RXADNG ① RST : AC Power 3phase ② CN01 : AC Power #R : AC 380~400V : WHT #1-#3 : AC 220~240V #S : AC 380~400V : BRN #T : AC 380~400V : BLK 5-30 Samsung Electronics...
  • Page 239: Wiring Diagram

    6. Wiring Diagram 6-1 Indoor Unit ■ AC026/035RN1DKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 240 Wiring Diagram Indoor Unit (cont.) ■ AC052/071/100/120/140RN4DKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 241 Wiring Diagram Indoor Unit (cont.) ■ AC071/100/120/140RN4PKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 242 Wiring Diagram Indoor Unit (cont.) ■ AC026/035/052/071RNADKG AC100RNTDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 243 Wiring Diagram Indoor Unit (cont.) ■ AC026/035/052/071RNLDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 244 Wiring Diagram Indoor Unit (cont.) ■ AC035/052/071/100/120/140RNMDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 245 Wiring Diagram Indoor Unit (cont.) ■ AC026/035/052/071RNNDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 246 Wiring Diagram Indoor Unit (cont.) ■ AC052/071RNCDKG This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 247 Wiring Diagram Indoor Unit (cont.) ■ AC026/035/052RNJDKG Samsung Electronics...
  • Page 248 Wiring Diagram Indoor Unit (cont.) ■ AC100/120/140RNCDKG 6-10 Samsung Electronics...
  • Page 249: Outdoor Unit

    Wiring Diagram 6-2 Outdoor unit ■ AC026/035RXADKG This Document can not be used without Samsung’s authorization. Samsung Electronics 6-11...
  • Page 250 Wiring Diagram Outdoor unit (cont.) ■ AC052/071RXADKG This Document can not be used without Samsung’s authorization. 6-12 Samsung Electronics...
  • Page 251 Wiring Diagram Outdoor unit (cont.) ■ AC100/120/140RXADKG/EU Samsung Electronics 6-13...
  • Page 252 Wiring Diagram Outdoor unit (cont.) ■ AC100/120/140RXADNG/EU 6-14 Samsung Electronics...
  • Page 253: Reference Sheet

    Cooling only PREMIUM Heat Pump R410A DELUXE <- Basic Heat Recovery STANDARD Cooling only Heat Pump Cooling only R134A Heat Pump Heat Pump ※ "/" can be removed from the buyer card if there are not enough digits. Samsung Electronics...
  • Page 254: Outdoor Unit

    R410A DELUXE <- Basic Heat Recovery STANDARD Cooling only Heat Pump Cooling only R134A Heat Pump Heat Pump ★ ※ MCD: Dummy mock-up model ※“/” can be removed from the buyer card if there are not enough digits. Samsung Electronics...
  • Page 255: Panel

    8 Languages English ★ Only display the Global 4 way with Korean/ English K separator. Pattern Waffle Stripe Korean Global market use 4 Way Export/ Panel foreign market use ※ Model name for the column/bundle packaging is “~S”. Samsung Electronics...
  • Page 256: Refrigerating Cycle Diagram

    (converting from liquid to gas). (Absorbing heat required for evaporation) ■ SERVICE VALVE Y ou can open the valve by turning the need valve counterclockwise using hex wrench, and it is used for vacuum, gas purging, refrigerant injection, refrigerant purging, and indoor-outdoor unit connection. ■ ACCUMULATOR Accumulator prevents the flow of liquid-state refrigerant into the compressor. (Liquid-state refrigerant flowing into the compressor will overload the compressor.) Samsung Electronics...
  • Page 257 China china.samsungportal.com © Samsung Electronics Co., Ltd. February. 2019. 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-00232E_1...

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