Samsung AVXCSH023/032/040CE Service Manual

System air conditioner indoor unit outdoor unit
Table of Contents

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AIR CONDITIONER
Refer to the service manual in the GSPN(see the rear cover) for the more information.
SYSTEM AIR CONDITIONER
INDOOR UNIT
AVXCSH023/032/040CE
AVXC4H052/072/100/110/145CE
AVXCMH032/040/052/060CE
AVXDSH020/032/040/052/072/100/110/145CE
AVXDUH100/110/145CE
AVXWVH020/032/040/052/060CE
AVXWNH020/032/040/052/060CE
ND023/032/0401HXCA
ND052/072/100/1454HXCA
ND032/040/052/060MHXCA
ND020/032/040/052/072/100/110/145LHXCA
ND100/110/145SHXCA
ND220/280HHXCE(CA)
ND020/032/040/052/060VHXCA
ND020/032/040/052/060NHXCA
ND052/072CHXCA
ND020/032/040/052/060QHXCA
ND052/072/100/110/1454HXCB
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. PCB Diagram and Parts List
7. Wiring Diagram
8. Schematic Diagram
9. Reference Sheet
OUTDOOR UNIT
RVXVHT075/100/125FE
RD040/050MHXCA
RD075/100/125VHXFA
RD075/100/125VRXFA
CONTENTS

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Summary of Contents for Samsung AVXCSH023/032/040CE

  • Page 1 SYSTEM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT AVXCSH023/032/040CE RVXVHT075/100/125FE AVXC4H052/072/100/110/145CE RD040/050MHXCA AVXCMH032/040/052/060CE RD075/100/125VHXFA AVXDSH020/032/040/052/072/100/110/145CE RD075/100/125VRXFA AVXDUH100/110/145CE AVXWVH020/032/040/052/060CE AVXWNH020/032/040/052/060CE ND023/032/0401HXCA ND052/072/100/1454HXCA ND032/040/052/060MHXCA ND020/032/040/052/072/100/110/145LHXCA ND100/110/145SHXCA ND220/280HHXCE(CA) ND020/032/040/052/060VHXCA ND020/032/040/052/060NHXCA ND052/072CHXCA ND020/032/040/052/060QHXCA ND052/072/100/110/1454HXCB AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4.
  • Page 2: Table Of Contents

    Contents 1. Precautions · ·························································································································································· 1-1 Precautions for the Service ························································································································· 1-2 Precautions for the Static Electricity and PL ························································································ 1-3 Precautions for the Safety ··························································································································· 1-4 Others ·································································································································································· 2. Product Specifications ······························································································································ 2-1 The Feature of Product ································································································································· 2-1-1 Feature ··················································································································································· 2-1-2 Changes in comparison to basic model ···················································································...
  • Page 3 Contents 4-3-9 Breakdown of EEV (2 ) ··················································································································· 4-47 4-3-10 Problem with EEV closure (2 ) ·································································································· 4-48 4-3-11 : Detection of Floating Switch of Indoor Unit’s Drain Pump ·························· 4-49 4-3-12 The operational error of Indoor Unit’s Fan Motor ······························································ 4-50 4-3-13 EEPROM error ····································································································································...
  • Page 4 Contents 4-3-47 : Prohibition of the operation of Compressor due to OoutdoorTemperature ·················································································· 4-85 4-3-48 High Pressure below the Average before Cooling (Unable to Restart) ···················· 4-86 4-3-49 Instantaneous Blackout ················································································································ 4-87 4-3-50 Error by High Temperature in an Outdoor Fan Motor ····················································· 4-87 4-3-51 RPM Error of an Outdoor Fan Motor ·······················································································...
  • Page 5 Contents 4-4-27 : Freezing control causes comp. down 4-121 ··································································· 4-4-28 : High voltage protection compressor stopped 4-122 ·················································· 4-4-29 : Compressor down by low pressure sensor protection control 4-123 ·················· 4-4-30 : Dischase temperature sensor error 4-124 ······································································· 4-4-31 : Abnormal outside temperature halts operation of the compressor 4-125 ···...
  • Page 6 Contents 6-1-5 Duct type(MSP) ··································································································································· 6-1-6 Duct type(BIG) ····································································································································· 6-11 6-1-7 Wall-mounted type(Neo Forte without EEV) ········································································· 6-15 6-1-8 Wall-mounted type(Neo Forte with EEV) ················································································ 6-19 6-1-9 Wall-mounted type(Vivace) ··········································································································· 6-23 6-1-10 Ceiling type ········································································································································· 6-26 6-2 Outdoor Unit ···················································································································································· 6-27 6-2-1 RVXVHT075/100/125FE, RD075/100/125VHXFA ··································································...
  • Page 7 Contents 9. Reference Sheet ··············································································································································· 9-1 Index for Model Name ·································································································································· 9-1-1 Indoor Unit ··········································································································································· 9-1-2 Outdoor Unit ······································································································································· 9-2 Refrigerant Circuit Diagram ························································································································ 9-2-1 Cycle Operation Mode ·····················································································································...
  • Page 8: Precautions

    It should be over 6.6ft. – If not, it causes a bad picture quality or a noise. Repairing the products by consumer should be strictly prohibited. – There is a danger of electric shock or fire due to incorrect disassembly. Samsung Electronics...
  • Page 9: Precautions For The Safety

    If the refrigerant pipe is not properly connected and the compressor works with the service valve open, the pipe inhales the air and it makes the pressure inside of the refrigerant cycle abnormally high. It may cause explosion and injury. Samsung Electronics...
  • Page 10: Product Specifications

    PWM valve Efficient and reliable DVI (Digital Vapor Injection) compressor Gas inlet coupled with vapor injection technology has been applied to Vapor Discharge port injection improve cooling and heating performance and energy efficiency. Suction port port Oil port Samsung Electronics...
  • Page 11 Shell & Tube type heat exchanger. The plate type intercooler increases heat exchange efficiency by 30% and provides stable performance with long piping and vertical piping. Double layered pipe Shell & Tube Plate type Turbo Inter- Cooler Compressor Plate type Heat transfer efficiency Efficiency Rate Structure Diagram Samsung Electronics...
  • Page 12 • 1.4 times longer heating operation in frost condition thanks to new G-fin. (New G-fin) Conventional model (Louver fin) 5000 Hydrophilic layer Acrylic resin + surfactant 4000 Anti corrosive layer Epoxy acrylic 3000 Raw aluminum material 2000 1.0μm 2.0μm 1000 92μm Time (min.) Time (min.) Samsung Electronics...
  • Page 13 • BLDC motor, which is 2.7% more efficient than the competitors has been applied. • High static pressure propeller fan and the optimum Bell mouth figuration for high external static pressure. (8mmAq) DVM PLUS III Company A 900 1000 Conventional model Samsung Electronics...
  • Page 14 A wide range of control system is provided to support various needs and applications such as individual or central control and automated building management. 2) Enhanced remote analysis System managers, installers or service engineers can monitor the whole air-conditioning system through the internet, analyzing the operation and providing service promptly. Internet Samsung Electronics...
  • Page 15 Indoor unit 1 Indoor unit 1 Indoor unit 1 5) Wireless test run tool Zigbee wireless test run tool provides installers with easy and convenient control and monitoring of the outdoor unit and 49 indoor units without bothersome wiring. Samsung Electronics...
  • Page 16 • The best BLDC motor in the industry and optimum fan guard design increased efficiency. 7.5HP 17.5HP Improved heating performance Vapor injection technology has improved heating performance Company A Company A 21kW by 20% at a low ambient temperature of (14ºF/-10ºC). Conventional Conventional 21kW 25kW 10HP Samsung Electronics...
  • Page 17 It reduces the burden of weight and minimizes the required installation space (it can be installed in the rooftop), ensuring a more spacious place for relaxation, parking lots, or additional offices, for instance. Rooftop space (Garden) Item Conventional model Design Weight 250kg(551lbs) (100%) 240kg(529lbs) (96%) Samsung Electronics...
  • Page 18 DVM PLUS III is easy to install as its piping can be connected from front, right, left and bottom side. Wiring hole (Conduits) adds convenience as it allows power and communication lines to be connected in various ways and directions. Free piping connection Free wiring connection Samsung Electronics...
  • Page 19 ΔP compensation) High external static pressure To respond to a range of various installation environments, DVM PLUS III is designed to be used even in external static pressure of 8 mmAq. 2-10 Samsung Electronics...
  • Page 20 Breakdown Refrigerant pump-out function In case of maintenance of outdoor units, it is possible that recover refrigerant into indoor or pipes. Breakdown Samsung Electronics 2-11...
  • Page 21 In particular, it is very strong against partial abrasion and compressor burn out by internal overheating compared with inverter compressor that employs tip seal techniques. Radial compliance Axial compliance Floating seal Upper scroll Debris (Fixed) Lower scroll (Orbiting) 2-12 Samsung Electronics...
  • Page 22 Cooling operation Cooling operation cooling operation Oil recovery during Heating operation Cooling operation heating operation Acceleration life cycle test All parts fitted to DVM PLUS III ensure reliability for life cycle through ALT (Acceleration Life cycle Test ). Samsung Electronics 2-13...
  • Page 23 In particular, it enhances sound quality as it improves compressor noise by 4dB(A) by employing new material with better acoustic absorptivity. 1.200 Conventional material 1.000 New material 0.800 0.600 0.400 0.200 0.000 1000 2000 4000 Frequency (Hz) 2-14 Samsung Electronics...
  • Page 24 RoHS restriction only applies to small or large household appliances, IT equipment, lightings, power train, toys, leisure or sports equipment, and vending machines. Samsung expands the RoHS restriction into its entire range of products based on its own environmental policies. Lead-free DVM PLUS III is an environment friendly product that prevents pollution problems caused by the use of lead, by applying lead-free indoor and outdoor PCBs.
  • Page 25 • In case of medium or large office, DVM PLUS III HR satisfies cooling and heating operation simultaneously for the requirements of interior and perimeter zone. Simultaneously cooling and heating for individual rooms Heating Cooling Heating Cooling Heating Cooling Simultaneously cooling and heating for each zone Perimeter Zone : Heating Interior Zone : Cooling DVM PLUS III HR 2-16 Samsung Electronics...
  • Page 26 The MCU for DVM PLUS III HR has a double-tube heat exchanger for securing high subcooling effect by the MCU MCU subcooling heat exchanger itself, thus improving the reliability of the long piping and cooling and heating performance. Samsung Electronics 2-17...
  • Page 27 It has developed power saving compressors for more than thirty years. SUPER FJM compressor adopts a double-rotor BLDC compressor with permanent magnets made by Samsung. Electricity for the compressor rotor is obtained from a neodium-iron-boron permanent magnetic material (boron magnet can attract iron material weighing 1000 times its own weight.) It strengthens the rotary moment of the compressor to maximize the entire efficiency of the compressor.
  • Page 28 Poly brom penyl Strong heater SUPER FJM adopts Samsung's high performance double-rotor compressor. Compared to other products, its heating effect at -10°C is about 20% higher. SUPER FJM measurement Outside temperature rises about 7°C Heating performance improved 20% Inside temperature rises about 3°C...
  • Page 29 If it is to be remodeled for an old building that does not meet the electricity capacity standard, first install an air conditioner for testing. Then set the current after expanding the electricity capacity. Current limit mode DIP button DIP button Mode 1 Mode 2 Mode 3 Mode 4 2-20 Samsung Electronics...
  • Page 30 Bedroom Smart group control for multiple households SUPER FJM supports group controls in conjunction with Samsung's other commercial air conditioners. It achieves a wide range of smart control including individual metering for each household, computer monitoring and network monitoring. Ethernet...
  • Page 31: Changes In Comparison To Basic Model

    Fan Guard has been optimized to improve air volume and reduce noise and vibration. Service Valve Ball type service valve applied easy to operate MAIN PCB Expanded MICOM capacity, improved serviceability SUB PCB Redesigned Power circuit, improved assembly 2-22 Samsung Electronics...
  • Page 32 Improved trouble caused by rust development and reduced noise by increasing air volume Motor Bracket Secured larger opening for improved air flow Compressor Digital Scroll Twin BLDC Inverter Control Felt Double layerd felt reduces noice from compressor Samsung Electronics 2-23...
  • Page 33: Product Specifications

    45.8x8.3x18.8 45.8x8.3x18.8 45.8x8.3x18.8 Model PSSMA PSSMA PSSMA Net Weight Shipping Weight Panel Size 11.0 11.0 11.0 1,180×25×460 1,180×25×460 1,180×25×460 Net Dimensions (W×H×D) inch 46.5×1.0×18.1 46.5×1.0×18.1 46.5×1.0×18.1 1,259×144×539 1,259×144×539 1,259×144×539 Shipping Dimensions (W×H×D) inch 49.6×5.7×21.2 49.6×5.7×21.2 49.6×5.7×21.2 2-24 Samsung Electronics...
  • Page 34: Samsung Electronics

    - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-25...
  • Page 35 PMSMAA PMSMAA PMSMAA Net Weight Shipping Weight Panel Size 13.7 13.7 13.7 13.7 670×35×670 670×35×670 670×35×670 670×35×670 Net Dimensions (W×H×D) inch 26.3×1.4×26.3 26.3×1.4×26.3 26.3×1.4×26.3 26.3×1.4×26.3 717×93×717 717×93×717 717×93×717 717×93×717 Shipping Dimensions (W×H×D) inch 28.2×3.7×28.2 28.2×3.7×28.2 28.2×3.7×28.2 28.2×3.7×28.2 2-26 Samsung Electronics...
  • Page 36 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-27...
  • Page 37 10.3 10.3 10.3 10.3 10.3 Shipping Weight Panel Size 950×35×950 950×35×950 950×35×950 950×35×950 950×35×950 Net Dimensions (W×H×D) inch 37.4×1.4×37.4 37.4×1.4×37.4 37.4×1.4×37.4 37.4×1.4×37.4 37.4×1.4×37.4 1,042×103×1,042 1,042×103×1,042 1,042×103×1,042 1,042×103×1,042 1,042×103×1,042 Shipping Dimensions (W×H×D) inch 41×4.1×41 41×4.1×41 41×4.1×41 41×4.1×41 41×4.1×41 2-28 Samsung Electronics...
  • Page 38 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-29...
  • Page 39 PC4NUSKA PC4NUSKA PC4NUSKA Net Weight Shipping Weight Panel Size 950x30x950 950x30x950 950x30x950 950x30x950 950x30x950 Net Dimensions (W×H×D) inch 37.4x1.2x37.4 37.4x1.2x37.4 37.4x1.2x37.4 37.4x1.2x37.4 37.4x1.2x37.4 1,042×93×1,042 1,042×93×1,042 1,042×93×1,042 1,042×93×1,042 1,042×93×1,042 Shipping Dimensions (W×H×D) inch 41.0×3.7×41.0 41.0×3.7×41.0 41.0×3.7×41.0 41.0×3.7×41.0 41.0×3.7×41.0 2-30 Samsung Electronics...
  • Page 40 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-31...
  • Page 41 1100×199×600 Net Dimensions (W×H×D) inch 35.4×7.8×23.6 35.4×7.8×23.6 35.4×7.8×23.6 43.3×7.8×23.6 Dimensions 1,133×330×730 1,133×330×730 1,133×330×730 1,330×330×730 Shipping Dimensions (W×H×D) inch 44.6×13×28.7 44.6×13×28.7 44.6×13×28.7 52.4×13×28.7 Model Net Weight Shipping Weight Panel Size Net Dimensions (W×H×D) inch Shipping Dimensions (W×H×D) inch 2-32 Samsung Electronics...
  • Page 42 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-33...
  • Page 43 1,300×295×690 Net Dimensions (W×H×D) inch 43.3×7.8×23.6 51.2×11.6×27.2 51.2×11.6×27.2 51.2×11.6×27.2 Dimensions 1,330×330×730 1,600×441×831 1,600×441×831 1,600×441×831 Shipping Dimensions (W×H×D) inch 52.4×13×28.7 63×17.4×32.7 63×17.4×32.7 63×17.4×32.7 Model Net Weight Shipping Weight Panel Size Net Dimensions (W×H×D) inch Shipping Dimensions (W×H×D) inch 2-34 Samsung Electronics...
  • Page 44 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-35...
  • Page 45 132.3 1,150×320×480 1,150×320×480 1,200×360×650 Net Dimensions (W×H×D) inch 43.3×12.6×18.9 43.3×12.6×18.9 47.2×14.2×25.6 Dimensions 1,390×424×584 1,390×424×584 1,456×434×778 Shipping Dimensions (W×H×D) inch 54.7×16.7×23 54.7×16.7×23 57.3×17.1×30.6 Model Net Weight Shipping Weight Panel Size Net Dimensions (W×H×D) inch Shipping Dimensions (W×H×D) inch 2-36 Samsung Electronics...
  • Page 46 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-37...
  • Page 47 Net Weight Weight Shipping Weight 1240x470x1040 1240x470x1040 Net Dimensions (W×H×D) 48.8x18.5x41.0 48.8x18.5x41.0 inch Dimensions 1507x558x1155 1507x558x1155 Shipping Dimensions (W×H×D) 59.4x22.0x45.5 59.4x22.0x45.5 inch Model Net Weight Shipping Weight Panel Size Net Dimensions (W×H×D) inch Shipping Dimensions (W×H×D) inch 2-38 Samsung Electronics...
  • Page 48 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-39...
  • Page 49 Functions Group/Individual Control External Contact Control Trouble Shooting by LED Installation Manual Operation Manual Standard Pattern Sheet for Installation Accessories Flexible Drain Hose Filter / Safety Grille Filter (Washable) Filter (Washable) Filter (Washable) Filter (Washable) Filter (Washable) 2-40 Samsung Electronics...
  • Page 50 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-41...
  • Page 51 16.0 Shipping Weight 20.7 20.7 20.7 35.3 35.3 825×285×189 825×285×189 825×285×189 1,099×315×217 1,099×315×217 Net Dimensions (W×H×D) inch 32.5×11.2×7.4 32.5×11.2×7.4 32.5×11.2×7.4 43.3×12.4×8.5 43.3×12.4×8.5 Dimensions 900×349×252 900×349×252 900×349×252 1,137×377×299 1,137×377×299 Shipping Dimensions (W×H×D) inch 35.4×13.7×10 35.4×13.7×10 35.4×13.7×10 44.8×14.8×11.8 44.8×14.8×11.8 2-42 Samsung Electronics...
  • Page 52 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-43...
  • Page 53 Net Weight 13.0 13.0 Weight Shipping Weight 16.0 16.0 825×285×189 825×285×189 825×285×189 1,099×315×217 1,099×315×217 Net Dimensions (W×H×D) inch 32.5×11.2×7.4 32.5×11.2×7.4 32.5×11.2×7.4 43.3×12.4×8.5 43.3×12.4×8.5 Dimensions 900×349×252 900×349×252 900×349×252 1,137×377×299 1,137×377×299 Shipping Dimensions (W×H×D) inch 35.4×13.7×10 35.4×13.7×10 35.4×13.7×10 44.8×14.8×11.8 44.8×14.8×11.8 2-44 Samsung Electronics...
  • Page 54 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-45...
  • Page 55 - Outdoor temperature : 47°F/7°C DB, 43°F/6°C WB, Equivalent refrigerant piping : 7.5m(24.6ft), Level differences : 0m *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. 2-46 Samsung Electronics...
  • Page 56: Outdoor Unit

    R410A Refrigerant Factory Charging 14.4 16.5 19.8 Sound Sound Pressure dB(A) Net Weight Shipping Weight Set Size 880×1,723×765 880×1,723×765 1,200×1,723×765 Net Dimensions (WxHxD) inch 34.6×67.8×30.1 34.6×67.8×30.1 47.2×67.8×30.1 948×1,888×832 948×1,888×832 1,268×1,888×832 Shipping Dimensions (WxHxD) inch 37.3×74.3×32.8 37.3×74.3×32.8 50×74.3×32.8 Samsung Electronics 2-47...
  • Page 57 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. 2-48 Samsung Electronics...
  • Page 58 - Outdoor temperature : 47˚F/7˚C DB, 43˚F/6˚C WB *4) Sound pressure was acquired in a dead room. Thus actual noise level may be different depending on the installation conditions. *5) Specifications may be subject to change without prior notice for product improvement. Samsung Electronics 2-49...
  • Page 59: Accessory And Option Specifications

    MDP-M075SGU1 Drain Pump AVXDUH100~110C Series ND145S MDP-M075SGU2 AVXDUH145C Series MDP-N047SNC1 ND220/280 Series MXJ-T3819 Outdoor Joint Below 48 HP MXJ-HA2512 Below 160MBH (for 4 rooms) MXJ-HA3115 Header Joint 160~240MBH (for 8 rooms) MXJ-HA3819 Over 240MBH (for 8 rooms) 2-50 Samsung Electronics...
  • Page 60 MXD-A22K200A Over 24MBH(2 units) Below 12MBH(2 units) MXD-A13K216A +18MBH~24MBH(1 units) MXD-A13K300A Below 12MBH(3 units) 3 Room EEV Kit Below 12MBH(1 unit) MXD-A16K213A +18MBH~24MBH(2 units) MXD-A16K300A 18MBH~24MBH(3 units) MRK-A00 Wireless Signal Receiver Kit Option MRW-10A Receiver Wire Option Samsung Electronics 2-51...
  • Page 61 Option MIM-B02 Ket Tag Interface Module Option External Contact Interface MIM-B14 Option Module MIM-B12 SIM Interface Module Option MCM-A202A Centralized Controller Option MCM-C200 Operation Selection Switch Option MIM-D00 Option S-NET 3 MST-P3P Option S-NET mini MST-S3W Option 2-52 Samsung Electronics...
  • Page 62: Disassembly And Reassembly

    3. Disassembly and Reassembly Necessary Tools Item Remark +Screw Driver Monkey Spanner –Screw Driver Nipper Electric Motion Driver L-Wrench Samsung Electronics...
  • Page 63: Indoor Unit

    Procedure Remark Panel 1) Push the handles on both sides of the Samsung logo towards the product’s interior to open the Grille. 2) Push up the green knob in the Open direction, and detach the white link from the panel. Detach the safety clip.
  • Page 64 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 65 2) Push the Bell-Mouth in the direction opposite to where it’s installed on the 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...
  • Page 66 Drain-Hose out from the indoor unit to disassemble the transparent Drain-Hose fixed on the side of the indoor unit. (Use +Screw Driver) Evap. Temperature 1) Use your hand to remove the temperature Sensor sensor attached to the Evap Pipe along with the fixing clip. Samsung Electronics...
  • Page 67 1) Remove the screws of the 2 Steel Holder Sensor 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...
  • Page 68 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...
  • Page 69: Big Duct

    1) Detach the motor connectors from the PCB. & BLOWER 2) Unscew 16 screws and detach Cabinet-Base Blower. (Use+Screw Driver) 3) Unscrew 8 screws and detach Case-Blower. (Use +Screw Driver) 4) Unscrew 4 bolts and separate Motor & blower from Bracket-Motor. (Use +Screw Driver) Samsung Electronics...
  • Page 70 EVAPORATOR & 1) Detach EEV and Sensor connectors from the DRAIN-PAN PCB. (Use +Screw Driver) 2) Unscrew 8 screws and Detach Cover-Pipe. (Use +Screw Driver) 3) Unscrew 31 screws and detach Cabinet- Base Blower andCabinet-Base Drain. (Use +Screw Driver) Samsung Electronics...
  • Page 71 Disassembly and Reassembly Parts Procedure Remark 4) Unscrew 10 screws and detach Drain-Pan from the indoor unit. (Use +Screw Driver) 5) Separate Evaporator from the indoor unit. 3-10 Samsung Electronics...
  • Page 72: Outdoor Unit

    3-2 Outdoor Unit RVXVHT075/100FE, RD075/100VHXFA, RD075/100/120VRXFA Parts Procedure Remark Common In 1) Remove fixing screw from the Cabinet. (Use +Screw Driver) 2) Separate the Cabinet from the Outdoor Unit. Samsung Electronics 3-11...
  • Page 73 1) Remove fixing screw from the Bell & Mouth. (Use +Screw Driver) 2) Separate the Bell Mouth. 3) Remove fixing bolt from the Fan. 4) Separate the Fan from the Outdoor Unit. 5) Remove fixing screw and after removing screws, separate the Motor. 3-12 Samsung Electronics...
  • Page 74 Disassembly and Reassembly RVXVHT125FE, RD125VHXFA, RD125VRXFA Parts Procedure Remark Common In 1) Remove fixing screw from the Cabinet. (Use +Screw Driver) 2) Separate the Cabinet from the Outdoor Unit. Samsung Electronics 3-13...
  • Page 75 Disassembly and Reassembly Parts Procedure Remark 2) Separate the Electrical Component Box from the Outdoor Unit. 3-14 Samsung Electronics...
  • Page 76 1) Remove fixing screw from the Bell & Mouth. (Use +Screw Driver) 2) Separate the Bell Mouth. 3) Remove fixing bolt from the Fan. 4) Separate the Fan from the Outdoor Unit. 5) Remove fixing screw and after removing screws, separate the Motor. Samsung Electronics 3-15...
  • Page 77 (Use +Screw Driver) 4) Unfasten the three bolts fixing the electrical control box to the right rear plate. (Use +Screw Driver) 5) Unfasten the twelve bolts and remove the right rear plate. (Use +Screw Driver) 3-16 Samsung Electronics...
  • Page 78 (Use Monkey Spanner.) 2) Unfasten the four fixing bolts and remove the electrical machinery. (Use Monkey Spanner.) 3) Disassemble the electrical cable. The white plug is for the upper part. The blue plug is for the lower part. Samsung Electronics 3-17...
  • Page 79 2) Push the buckle to loosen the three black cable ties. 3) Cut the white cable tie. 4) Unfasten the two fixing bolts between the electrical control box and the central separation plate. (Use +Screw Driver) 3-18 Samsung Electronics...
  • Page 80 2) Unfasten the one fixing bolt on the fixing board below the electrical control box and the left-rear board. 3) Unfasten the one fixing bolt on the fixing board below the electrical control box and the central separation plate. (Use +Screw Driver) Samsung Electronics 3-19...
  • Page 81 5) Use a wrench to cut the cable tie. 6) Unplug the power cable for the compressor. 7) Disassemble the fixing plate below the electrical control box. 8) Unfasten the fixing bolt for the inverter control box and the right-rear board. (Use +Screw Driver) 3-20 Samsung Electronics...
  • Page 82 (Use +Screw Driver) 12) Disassemble the plug for the reactor connection cable. 13) Unfasten the one bolt fixing the inverter control box and the central separation board. (Use +Screw Driver) Samsung Electronics 3-21...
  • Page 83 Heat exchanger and 1) Discharge all the coolants. compressor 2) Unfasten the fixing bolts of the blocking valve. (Use +Screw Driver) 3) Using a welding machine, disassemble the inlet and outlet pipes. 4) Disassemble the heat exchanger. 3-22 Samsung Electronics...
  • Page 84 7) Unfasten the bolts fixing the electrical box for the compressor. (Use Monkey Spanner.) 8) Disassemble the power cable for the compressor. 9) Unfasten the three bolts on the compressor leg. (Use Monkey Spanner.) 10) Disassemble the compressor. Samsung Electronics 3-23...
  • Page 85: Troubleshooting

    ✳ Input the second digit of option code by pressing the temperature adjustment button(up). example) 021E31142285 ✳ Result) ✳ If 2 is displayed, go to the step 4 (whenever pressing the button, 1~9, A,B,C,D,E,F are lit in order.) Samsung Electronics...
  • Page 86 If E displays, go to step 6. ✳ Step 6 ✳ Method) ✳ Input the fifth digit of option code by pressing the On timer button. example) 021E31142285 ✳ Result) ✳ If 3 displays, go to step 7. SEG 5 Samsung Electronics...
  • Page 87 2~7 steps, press the mode button to make the first digit 0. ✳ Step 9 ✳ Method) ✳ Input the eighth digit by pressing the temperature adjustment button(up). example) 021E31142285 ✳ Result) ✳ If 4 displays, go to step 10. Samsung Electronics...
  • Page 88 ✳ Result) ✳ If 2 displays, go to step 12. ✳ Step 12 ✳ Method) ✳ Input the 11st digit by pressing the On timer button. example) 021E31142285 ✳ Result) ✳ If 8 displays, go to step 13. Samsung Electronics...
  • Page 89 If the steps 1 to 14 are completed, remove out of input range. the battery and insert it again to return to Check the option code again and the original display of remote controller. repeat the step 1~14. (Operation mode/SET TEMP. /fan speed displays.) rear side Samsung Electronics...
  • Page 90 Push the button to set the display panel to ✳ Setting is not required if you must Every time you push the button, the display panel reads a value which has a default..repeatedly. Samsung Electronics...
  • Page 91 If all lamps of indoor unit are flickering, plug out, plug in power plug again and press the ON/OFF key to retry. 2 nd If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. Samsung Electronics...
  • Page 92 Every time you push the button, the display panel reads . . . repeatedly. Setting Option SEG4. Push the button to set the display panel to Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 93 Every time you push the button, the display panel reads . . . repeatedly. Setting Option SEG10. Push the button to set the display panel to Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 94 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the cor- rect option code is set up for its model. Samsung Electronics 4-10...
  • Page 95: Setting An Indoor Unit Address And Installation Option

    • Set the SEG2~SEG6, SEG8~SEG12 as ON status and SEG14~18, SEG20~24 as 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 4-11 Samsung Electronics...
  • Page 96 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 4-12...
  • Page 97 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. 4-13 Samsung Electronics...
  • Page 98 • If you set the SEG 3 as 0, the indoor unit will maintain the previous MAIN ADDRESS even if you input the option value of SEG5~6. • If you set the SEG 9 as 0, the indoor unit will maintain previous RMC ADDRESS even if you input the option value of SEG11~12. Samsung Electronics 4-14...
  • Page 99 Master / Slave heater heater when heating operation stops. Remote Controller Display Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details Disuse Disuse Disuse slave Indication master and Details Use + 3minute delay 4-15 Samsung Electronics...
  • Page 100: Changing A Particular Option

    SEG4 SEG5 SEG6 The option mode The tens’ digit of an The unit digit of Explanation PAGE MODE you want to option SEG you will an option SEG you The changed value change change will change Indication Samsung Electronics 4-16...
  • Page 103: What To Check Before Diagnosis

    (When communication error is for over 2 minutes) : On : Flickering : Off 4-19 Samsung Electronics...
  • Page 104 - When stopping the operation during an error is displayed, all lamps are off. - When restarting after stopping an operation, redisplay the error status by deciding the error again on Normal Operation. - Refer to the “4. Troubleshooting” for detail contents related to the error mode. Samsung Electronics 4-20...
  • Page 105 (When communication error is for over 2 minutes) : On : Flickering : Off 4-21 Samsung Electronics...
  • Page 106 - When stopping the operation during an error is displayed, all lamps are off. - When restarting after stopping an operation, redisplay the error status by deciding the error again on Normal Operation. - Refer to the “4. Troubleshooting” for detail contents related to the error mode. Samsung Electronics 4-22...
  • Page 107 (When communication error is for over 2 minutes) : On : Flickering : Off 4-23 Samsung Electronics...
  • Page 108 - When stopping the operation during an error is displayed, all lamps are off. - When restarting after stopping an operation, redisplay the error status by deciding the error again on Normal Operation. - Refer to the “4. Troubleshooting” for detail contents related to the error mode. Samsung Electronics 4-24...
  • Page 109 Indoor unit heat exchanger temperature sensor error (open or short) Indoor fan motor malfunction EEPROM error Option Setting Option error Option Setting (option wasn t set up or option data error) Remote Control on/off Outdoor unit error Outdoor Unit Power Reset 4-25 Samsung Electronics...
  • Page 110 Cable connection (Indoor & Outdoor unit) MPI error malfunction Cable connection (another indoor unit & The number of indoor unit mismatched outdoor unit), SW01(outdoor) Compressor discharge sensor error(Short/Open) Outdoor unit Outdoor unit error Outdoor unit (Error code) Samsung Electronics 4-26...
  • Page 111 1. Error of electronic expansion valve close Displayed on outdoor unit 2. Error of electronic expansion valve open 3. Breakaway of EVA OUT sensor 4. Breakaway of EVA IN sensor : On : Flickering : Off 4-27 Samsung Electronics...
  • Page 112 : 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 normally at first, then detects an error again. Samsung Electronics 4-28...
  • Page 113: Numeric Type Display(Outdoor Unit, Wired Remote Controller, Wall-Mount Type Etc.)

    Error no. → outdoor unit address → error no., Error display method for ones occurred in E471 → U200 → E417 → U200 outdoor unit repeated Indicate the address of the smallest indoor unit only when the same error occurs in multiple units. 4-29 Samsung Electronics...
  • Page 114 Samsung Electronics 4-30...
  • Page 120: Outdoor Unit Operation Flow

    Troubleshooting 4-3-1 Outdoor unit operation flow Power input 3-phase power check, normal? E425 error (reverse phase, phase fail) Tracking complete=? E201 error (Tracking error) Crank case heater is pre-heating complete? “Ch” display Normal Operation 4-36 Samsung Electronics...
  • Page 121 When there is a wrong line connection on N phase (when one of R, S and T is changed with N phase), DVM PLUS3 carries out power protection to display E425 and cut off the power within 1 minute. If that happens, it is not a PCB power defect and check the phase of power lines before replacing PCB. Samsung Electronics 4-37...
  • Page 122 3. When there is a discrepancy between the number of indoor units detected through a setup switch for the no. of indoor units and the number of indoor units detected in the tracking process, E210 and U200 will be displayed in turn. 4-38 Samsung Electronics...
  • Page 123 4. Whether or not it is at a suitable temperature to operate is determined once after turning on the power. However, for the first time of carrying out the test operation after installation please input the power six hours before test operation. Samsung Electronics 4-39...
  • Page 124: Indoor Unit Room Sensor Error (Open/Short)

    Ex) Room temp. 79°F/26°C – Resistance 0.926KΩ 12.1 18.0 27.3 43.0 At that time, is the resistance value significantly deviated from the temp. table? As it is due to an indoor oom temperature sensor defect, replace it. Re-start after replacing PCB. 4-40 Samsung Electronics...
  • Page 125: Indoor Unit Evap In Sensor Error (Open/Short)

    Ex) Room temp. 79°F/26°C – Resistance 10.93KΩ 12.1 18.0 27.3 43.0 At that time, is the resistance value significantly deviated from the temp. table? As it is due to an indoor EVAP IN sensor defect, replace it. Re-start after replacing PCB. Samsung Electronics 4-41...
  • Page 126: Indoor Evap Out Sensor Error (Open/Short)

    12.1 18.0 27.3 43.0 At that time, is the resistance value significantly deviated from the temp. table? As it is due to an indoor EVAP OUT sensor defect, replace it. Re-start after replacing PCB. 4-42 Samsung Electronics...
  • Page 127: Indoor Heat Exchanger's Evap In Sensor Dislocation Error

    Indoor unit operation & Thermo On Indoor heat exchanger’s Error details EVAP IN sensor dislocation error 2. How to check Check if an Indoor heat exchanger’s EVAP IN sensor has been dislocated then is correct after assembling. Samsung Electronics 4-43...
  • Page 128: Indoor Heat Exchanger's Eva Out Sensor Dislocation Error (Open/Short)

    Indoor unit operation & Thermo On Indoor heat exchanger’s Error details EVA IN sensor dislocation error 2. How to check Check if an Indoor heat exchanger’s EVA OUT sensor has been dislocated then is correct after assembling. 4-44 Samsung Electronics...
  • Page 129: Simultaneous Indoor Heat Exchanger's Eva In, Out Sensor Dislocation Error (Open/Short)

    Indoor unit operation & Thermo On Simultaneous Indoor heat exchanger’s Error details EVA IN, OUT sensor dislocation error 2. How to check Check if an Indoor heat exchanger’s EVA IN, OUT sensor has been dislocated then is correct after assembling. Samsung Electronics 4-45...
  • Page 130: Operational Error Of Indoor Unit's Clean Fan (Open/Short)

    1) Check the HALL IC connector that carries out RPM value feedback 2) If the operational capacitor is a PCB separation type, check the connection terminal 3) Check the operation status of fan motor 4) If there is no problem with the above checkup items, replace the PCB. 4-46 Samsung Electronics...
  • Page 131: Breakdown Of Eev

    5) If there is no problem with the above checkup items, replace the electronic expansion valve of the troubled indoor unit. 4)- As an electronic expansion valve replacement is tricky work that requires collecting refrigerants in all systems, please check the above items before replacement. Samsung Electronics 4-47...
  • Page 132: Problem With Eev Closure

    5) If there is no problem with the above checkup items, replace the electronic expansion valve of the troubled indoor unit. 4)- As electronic expansion valve replacement is tricky work that requires collecting refrigerants in all systems, please check the above items before replacement. 4-48 Samsung Electronics...
  • Page 133: Detection Of Floating Switch Of Indoor Unit's Drain Pump

    Does the water level in the Drain Pan get lower? Replace Drain pump Replace Indoor Unit PCB Normal operation Float sensor error will be removed only when the remote controller Replace Drain pump for an indoor unit operates Samsung Electronics 4-49...
  • Page 134: The Operational Error Of Indoor Unit's Fan Motor

    2) If a fan motor operation capacitor is a PCB separating type, check the connection terminal. 3) Check the operational status of the fan motor. 4) If there is no problem with the above checkup items, replace the PCB. 4-50 Samsung Electronics...
  • Page 135: Eeprom Error

    Are there any problems such as short or dewetting between Replace PCB EEPROM PIN? If you restart after reentering model options and power reset, does the Normal operation error occur again? Replace PCB Samsung Electronics 4-51...
  • Page 136: Option Error Of The Remote Controller For An Indoor Unit

    • Display number type of indoor unit – E163 occurs, Lamp type – all lamps flash Cause of problem • Missed or erroneous input of remote controller options Check relevant remote controller options for each model then enter correct options 4-52 Samsung Electronics...
  • Page 137: Error Due To Confused Use Of Fahrenheit And Celsius

    Check relevant remote controller options for each model then enter correct options As this happens only in a Celsius setting model, it is necessary to reenter option codes for error-free models in a region where Celsius is used. Samsung Electronics 4-53...
  • Page 138: Error Due To Incorrect Indoor Unit Power/Communication Cable Connection

    Criteria • Check for Power input(220V) for the Terminal block(F1/F2). Cause of problem • Apply power (220V) to the terminal of the indoor unit communication block (F1/F2) Check for disconnected line after turning off the Main power. 4-54 Samsung Electronics...
  • Page 139: Spi Feedback Error

    1. How to check Is the SPi connector of an Connect the connector to PCB indoor unit separated from PCB? and reoperate Can you measure 12V from #1, #4 power with SPi connector Replace SPi being connected? Replace Main PCB Samsung Electronics 4-55...
  • Page 140: Communication Error Between Indoor And Outdoor Units During Tracking

    PCB Check the outdoor unit PCB communication line after checking out lines. and connector then replace the PCB 4-56 Samsung Electronics...
  • Page 141 - Each resistance value should be between several tens kΩ-several hundreds kΩ unit - The difference between both resistances should be within several kΩ Diagnosed as defective - One or both has low resistance values around several tens Ω - One or both are open. Samsung Electronics 4-57...
  • Page 142: Communication Error Between Indoor & Outdoor Units After Completing Tracking

    * If communication error occurs, please refer to by making a connection to each unit and replace pages 4-50 see essential pre-checkup details. indoor unit PCB after checking out lines. Good Defective 0.7V 0.7V 4-58 Samsung Electronics...
  • Page 143: Communication Error Between Main And Sub Micoms Of An Outdoor Unit Or

    Change the wire-break or communication line. connection Check the setup optionfor the outdoor unit Setup change K13, K14 Replace PCB * If communication error occurs, please refer to pages 4-50 see essential pre-checkup details. Samsung Electronics 4-59...
  • Page 144: Outdoor Temperature Sensor Error

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the outdoor temperature sensor, replace it. Restart after replacing the PCB. 4-60 Samsung Electronics...
  • Page 145: Outdoor Temperature Dislocation Error

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table to the next? As it is due to a problem with the outdoor temperature sensor, replace it. Restart after replacing the PCB Samsung Electronics 4-61...
  • Page 146: Cond Out Temperature Sensor Error (Open/Short)

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table? At it is due to a problem with the outdoor COND OUT, replace it. Restart after replacing the PCB. 4-62 Samsung Electronics...
  • Page 147: Outdoor Cond Out Sensor Dislocation Error

    Is the resistance value for Cond Out sensor appropriate? Defective sensor: replace sensor (refer to E231) Are there any changes in sensor values during stop Clogged sensor path : heating operation? Replace a heat exchange ASS’Y Complete Samsung Electronics 4-63...
  • Page 148: Discharge Temperature Sensor Error For A Digital Compressor (Open/Short)

    11.2 both terminals. 18.5 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the discharge temperature sensor, replace it. Restart after replacing the PCB. 4-64 Samsung Electronics...
  • Page 149: Discharge Temperature Sensor Error For A Fixed Scroll Compressor (Open/Short)

    18.5 Does the resistance valve greatly deviate from the temperature table? As it is due to a problem with the discharge temperature sensor of the fixed outdoor scroll compressor, replace it. Restart after replacing the PCB. Samsung Electronics 4-65...
  • Page 150: Compressor's Discharge Temperature Sensor Dislocation Error

    Analyze the cause of the compressor’s of discharge piping for compressor kept at failure to operate certain temperature level? Is the resistance value Defective sensor for the sensor appropriate? Replace the sensor Restart then check again 4-66 Samsung Electronics...
  • Page 151: Dislocation Error Of Compressor Sump Temperature (Oil Temperature) Sensor

    After 60 minutes of compressor operation, there will be no Sump sensor dislocation detection. 2. How to check 1) Check if a sensor of the relevant compressor has been dislocated in accordance with error code, assemble and correct the error. Samsung Electronics 4-67...
  • Page 152: Dislocation Error Of Suction Temperature Sensor

    1. How to check Are a Suction sensor Reinsert the sensor and a sensor holder securely Re-attach the sensor holder attached? Is the resistance value for Suction sensor appropriate? Defective sensor: replace sensor (refer to E231) Complete 4-68 Samsung Electronics...
  • Page 153: Sump Temperature Sensor Error (Open/Short)

    PCB, measure the resistance value between both terminals. 11.2 18.5 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the outdoor SUMP sensor, replace it. Restart after replacing the PCB. Samsung Electronics 4-69...
  • Page 154: High Pressure Temperature Sensor Error (Open/Short)

    3. During defrost operation, omit the error detection and start detecting 5 minutes after complete operation 4. SHORT error detection: carry out error detection only if it is under 0.4V. 5. During refrigerant refill/retrieval, omit low pressure sensor error detection. 4-70 Samsung Electronics...
  • Page 155: Oil Balance Valve Temp. Sensor Error (Open/Short)

    11.2 18.5 Does the resistance value greatly deviate from the temperature table? At it is due to a problem with the outdoor Oil Balance Valve sensor Restart after replacing the PCB. Samsung Electronics 4-71...
  • Page 156: Suction Temperature Sensor Error (Open/Short)

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the outdoor SUCTION sensor, replace it. Restart after replacing the PCB. 4-72 Samsung Electronics...
  • Page 157: Double Pipe Temperature Sensor Error

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the liquid temperature sensor, replace it. Restart after replacing the PCB. Samsung Electronics 4-73...
  • Page 158: Main Cooling Sol Valve Open Error

    Is the connector of sol valve coil correctly connected? Check and reassemble the coil Can you hear the valve operating sound when power on? Restart the set and check if there is error Replace sol valve body 4-74 Samsung Electronics...
  • Page 159: Evi In Temperature Sensor Error (Open/Short)

    12.1 18.0 27.3 43.0 Time does the resistance value greatly deviate from the temperature table? As it is due to a problem with the outdoor EVI IN sensor, replace it. Restart after replacing the PCB. Samsung Electronics 4-75...
  • Page 160: Evi Out Temperature Sensor Error (Open/Short)

    12.1 18.0 27.3 43.0 Time does the resistance value greatly deviate from the temperature table? As it is due to a problem with the outdoor EVI OUT sensor, replace it. Restart after replacing the PCB 4-76 Samsung Electronics...
  • Page 161: Comp. Down Due To A Protective Control Of High Pressure

    Is there any clogged place in Check the piping the piping (ex. filter)? During cooling operation, Replace the relevant components does an outdoor fan, or indoor fan in case (motor or fan) of heating fan operate well? Check the amount of refrigerant Samsung Electronics 4-77...
  • Page 162: Comp. Down Due To A Protective Control Of Low Pressure

    (ex. filter)? Is there any leakage in liquid pipe valve or discharge check valve of the stop-side outdoor unit Replace the relevant components when several outdoor units are in operation? Check the amount of refrigerant 4-78 Samsung Electronics...
  • Page 163: Protection Control By Sump Sensor Error

    Is the sensor correctly connected to the bottom of the compressor sensor? Check and reattach the sensor Does the sensor indicate the temperature correctly? Check other temperature sensor error Check problem solution Liquid compressor protection error See problem solution (E477) Samsung Electronics 4-79...
  • Page 164: Comp. Down Due To Discharge Temperature Sensor Of A Compressor

    Connect S-net and Manifold gauge (imperative) Are all service valves open? Open the service valve Does indoor/outdoor Check the relevant EEV EEV operate well? Is there any clogged part in the piping Check the piping (ex.Filter)? Check the amount of refrigerant 4-80 Samsung Electronics...
  • Page 165: Detection Of Phase Negative Voltage Sequence, Phase Fail

    Does error occur again? As the mixed 3-phase lines in the power fuse is corrected, it will operate normally. As it is due to the problem with 3-phase detection circuit part, replace the PCB. Samsung Electronics 4-81...
  • Page 166: Comp. Down Due To Compression Rate Control

    Do the values of S-net and Replace a low pressure sensor Manifold gauge correspond? Does indoor/outdoor EEV Check the relevant EEV operate well? Is there any clogged place Check the piping in the piping (ex. filter)? Check the amount of refrigerant 4-82 Samsung Electronics...
  • Page 167: Self-Diagnosis Of Oil Valve(Balance Keeping Valve)

    (balance keeping valve)1 When replacing an oil valve, never use a welder on the balance keeping piping but use a copper pipe cutter then proceed with the work. (Oil in the balance keeping piping might cause a fire.) Samsung Electronics 4-83...
  • Page 168: Evi Eev Open Error

    Is EEV coil correctly connected? Check and reassemble the coil Check Liquid Bypass Valve Failure open failure error Solve the following valve problem Normal Replace following EEV If the problem continually occurs, check the leakage of intercooler 4-84 Samsung Electronics...
  • Page 169: Ooutdoortemperature

    If the error code is displayed despite a condition that does not belong to any of the above diagnosis methods, read the temperature sensor value of the outdoor inlet air with View Mode or S-net, and if the actual outdoor temperature is different, please replace the temperature sensor. Samsung Electronics 4-85...
  • Page 170: High Pressure Below The Average Before Cooling (Unable To Restart)

    Is high pressure sensor correctly connected to PCB? Check and restart the connector Is there leakage of refrigerant in the system or charging inferior? (Check by Manifold gage) Refill or recharge the refrigerant Replace the high pressure sensor 4-86 Samsung Electronics...
  • Page 171: Instantaneous Blackout

    2) Check if outdoor fan motor rotates or is locked 3) Check the motor, the contact status of the signal terminal 4) If motor does not operate, it is due to a motor defect. Samsung Electronics 4-87...
  • Page 172: Over-Voltage Error Of An Outdoor Fan Motor

    1) It is a signal to protect a motor by checking the operational condition of the outdoor unit’s fan motor without power so as not to operate it in counter-clockwise condition. 2) Check if there is wind strong enough to force a fan to rotate counter-clockwise where the outdoor unit is installed. 4-88 Samsung Electronics...
  • Page 173: Over-Voltage Error Of Compressor

    Connect a separate ammeter (optional) Are the values from an independent ammeter Replace the CT sensor and that of CT sensor identical? Are CT values during Compressor breakdown : operation more than 20A? Replace compressor Check and complete Samsung Electronics 4-89...
  • Page 174: Low-Amperage Error Of Compressor

    If the compressor works fine Are CT values during during operation, it does not have operation less than 4A? any problem. If not, the compressor is broken Check and complete 4-90 Samsung Electronics...
  • Page 175: Liquid Compressor Protection Control

    Is the sensor correctly connected to Failure the bottom of the compressor sensor? Solve the following EEV problem Normal Failure Check Main EEV EVI EEV normal operation Solve the following valve problem Check and replace the leakage of Discharge Check Valve Samsung Electronics 4-91...
  • Page 176: Breakdown Of An Eev

    5) If there is no problem with the above checkup items, replace the electronic expansion valve of the troubled indoor unit. - As an electronic expansion valve replacement is tricky work that requires collecting refrigerants in all systems, please make sure to check the above items before replacement. 4-92 Samsung Electronics...
  • Page 177: Breakdown Of An Eev Closure

    5) If there is no problem with the above checkup items, replace the electronic expansion valve of the troubled indoor unit. - As an electronic expansion valve replacement is tricky work that requires collecting refrigerant in all systems, please make sure to check the above items before replacement. Samsung Electronics 4-93...
  • Page 181: Indoor Unit Room Sensor Error (Open/Short)

    Ex) Room temp. 26°C – Resistance 0.926KΩ 12.1 18.0 27.3 43.0 At that time, is the resistance value significantly deviated from the temp. table? As it is due to an indoor oom temperature sensor defect, replace it. Re-start after replacing PCB. 4-97 Samsung Electronics...
  • Page 182: Indoor Unit Evap In Sensor Error (Open/Short)

    Ex) Room temp. 26°C – Resistance 10.93KΩ 12.1 18.0 27.3 43.0 At that time, is the resistance value significantly deviated from the temp. table? As it is due to an indoor EVAP IN sensor defect, replace it. Re-start after replacing PCB. Samsung Electronics 4-98...
  • Page 183: Indoor Evap Out Sensor Error (Open/Short)

    12.1 18.0 27.3 43.0 At that time, is the resistance value significantly deviated from the temp. table? As it is due to an indoor EVAP OUT sensor defect, replace it. Re-start after replacing PCB. 4-99 Samsung Electronics...
  • Page 184: Indoor Heat Exchanger's Evap In Sensor Dislocation Error

    Indoor unit operation & Thermo On Indoor heat exchanger's Error details EVAP IN sensor dislocation error 2. How to check Check if an Indoor heat exchanger's EVAP IN sensor has been dislocated then is correct after assembling. Samsung Electronics 4-100...
  • Page 185: Indoor Heat Exchanger's Eva Out Sensor Dislocation Error (Open/Short)

    Indoor unit operation & Thermo On Indoor heat exchanger's Error details EVA IN sensor dislocation error 2. How to check Check if an Indoor heat exchanger's EVA OUT sensor has been dislocated then is correct after assembling. 4-101 Samsung Electronics...
  • Page 186: Simultaneous Indoor Heat Exchanger's Eva In, Out Sensor Dislocation Error (Open/Short)

    Indoor unit operation & Thermo On Simultaneous Indoor heat exchanger's Error details EVA IN, OUT sensor dislocation error 2. How to check Check if an Indoor heat exchanger's EVA IN, OUT sensor has been dislocated then is correct after assembling. Samsung Electronics 4-102...
  • Page 187: Breakdown Of Eev (2 Nd )

    5) If there is no problem with the above checkup items, replace the electronic expansion valve of the troubled indoor unit. 4)- As an electronic expansion valve replacement is tricky work that requires collecting refrigerants in all systems, please check the above items before replacement. 4-103 Samsung Electronics...
  • Page 188: Problem With Eev Closure (2 Nd )

    5) If there is no problem with the above checkup items, replace the electronic expansion valve of the troubled indoor unit. 4)- As electronic expansion valve replacement is tricky work that requires collecting refrigerants in all systems, please check the above items before replacement. Samsung Electronics 4-104...
  • Page 189: Detection Of Floating Switch Of Indoor Unit's Drain Pump

    COMP operation? Drain pump PCB unit voltage = around AC220V? Does the water level in the Drain Pan get lower? Replace Drain pump Replace Indoor Unit PCB Normal operation Replace Drain pump 4-105 Samsung Electronics...
  • Page 190: The Operational Error Of Indoor Unit's Fan Motor

    2) If a fan motor operation capacitor is a PCB separating type, check the connection terminal. 3) Check the operational status of the fan motor. 4) If there is no problem with the above checkup items, replace the PCB. Samsung Electronics 4-106...
  • Page 191: Mixed Operation Error

    Check the operational mode of outdoor unit or other indoor unit then re-enter or stop the operational mode of the relevant unit. If it is necessary to apply a different operational mode to an indoor unit from others, please stop other indoor units then operate the indoor unit. 4-107 Samsung Electronics...
  • Page 192: Eeprom Error

    Are there any problems such as short or dewetting between Replace PCB EEPROM PIN? If you restart after reentering model options and power reset, does the Normal operation error occur again? Replace PCB Samsung Electronics 4-108...
  • Page 193: Option Error Of The Remote Controller For An Indoor Unit

    Criteria • Check for Power input(220V) for the Terminal block(F1/F2). Cause of problem • Apply power (220V) to the terminal of the indoor unit communication block (F1/F2) Check for disconnected line after turning off the Main power. 4-109 Samsung Electronics...
  • Page 194: Communication Error Between Indoor And Outdoor Units During Tracking

    PCB Check the outdoor unit PCB communication line after checking out lines. and connector then replace the PCB Samsung Electronics 4-110...
  • Page 195: Communication Error Between Indoor & Outdoor Units After Completing Tracking

    PCB then find an indoor unit that hampers communication by making a connection to each unit and replace indoor unit PCB after checking out lines. Good Defective 4-111 Samsung Electronics...
  • Page 196: Communication Error Between Main Pcb And Inverter Pcb During Tracking

    Check if there is any communication error? Service complete Check if the INVERTER PBA power on? Inspect M/C Check the connection between the Connect the connector INVERTER PBA and MAIN PBA. MAIN (CN39) Change the PBA INVERTER CN70 CN71 Samsung Electronics 4-112...
  • Page 197: Outdoor Temperature Sensor Error

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the outdoor temperature sensor, replace it. Restart after replacing the PCB. 4-113 Samsung Electronics...
  • Page 198: Cond Out Temperature Sensor Error (Open/Short)

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table? At it is due to a problem with the outdoor COND OUT, replace it. Restart after replacing the PCB. Samsung Electronics 4-114...
  • Page 199: Outdoor Cond Out Sensor Dislocation Error

    Is the resistance value for Cond Out sensor appropriate? Defective sensor: replace sensor (refer to E231) Are there any changes in sensor values during stop Clogged sensor path : heating operation? Replace a heat exchange ASS'Y Complete 4-115 Samsung Electronics...
  • Page 200: Discharge Temperature Sensor Error (Open/Short)

    11.2 both terminals. 18.5 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the discharge temperature sensor, replace it. Restart after replacing the PCB. Samsung Electronics 4-116...
  • Page 201: Compressor's Discharge Temperature Sensor Dislocation Error

    Analyze the cause of the compressor's fail- of discharge piping for compressor kept at ure to operate certain temperature level? Is the resistance value for the sensor appropriate? Defective sensor (Refer to E231) Replace the sensor Restart then check again 4-117 Samsung Electronics...
  • Page 202: High Pressure Temperature Sensor Error (Open/Short)

    3. During defrost operation, omit the error detection and start detecting 5 minutes after complete operation 4. SHORT error detection: carry out error detection only if it is under 0.4V. 5. During refrigerant refill/retrieval, omit low pressure sensor error detection. Samsung Electronics 4-118...
  • Page 203: Double Pipe Temperature Sensor Error(Open/Short)

    12.1 18.0 27.3 43.0 Does the resistance value greatly deviate from the temperature table? As it is due to a problem with the liquid temperature sensor, replace it. Restart after replacing the PCB. 4-119 Samsung Electronics...
  • Page 204: Olp Sensor Error (Open/Short)

    Insert the part in the PCB and restart. Part to measure resistance value Temperature Resistance (°C) (KΩ) Pull out the sensor part. Measure the inter-terminal resistance 11.2 18.5 Measured resistance out of the range? Replace the damaged sensor. Replace the PCB and restart. Samsung Electronics 4-120...
  • Page 205: Freezing Control Causes Comp. Down

    Check the indoor fan. The indoor EEV operates normally? Check the EEV. The indoor heat exchanger sensor displays the tem- Same as when checking other temp sensors. perature ok? Check for clogging in the suction area of the indoor machine. 4-121 Samsung Electronics...
  • Page 206: High Voltage Protection Compressor Stopped

    The indoor/outdoor EEV operates normally? Check the EEV. Clogging in the pipe? (ex-filter) Check the pipeline. While the AC or heater is on, Replace the parts. the indoor/outdoor (Electrical or fan) fan operates normally? Check the amount of coolant. Samsung Electronics 4-122...
  • Page 207: Compressor Down By Low Pressure Sensor Protection Control

    Open the sub valve. The Cond out sensor resistance normal? Replace the Cond out sensor. (Refer to E231.) Check the EEV. The outdoor/indoor EEV operates normally? Clogging in the pipe? (ex-filter) Check the pipeline. Check the amount of coolant. 4-123 Samsung Electronics...
  • Page 208 Test operation Connect S-net to vacuum. (Forceful) All the sub valves open? Open the sub valve. Check the EEV. The outdoor/indoor EEV operates normally? Clogging in the pipeline? Check the pipeline. (ex-filter) Check the amount of coolant. Samsung Electronics 4-124...
  • Page 209: Abnormal Outside Temperature Halts Operation Of The Compressor

    • Check the compressor input voltage. (error for low voltage.) Cause of problem • Check the overcurrent option setting. 1. How to check Check the input power terminal. Compressor input voltage supplied ok? Correct the overcurrent setting. Overcurrent option setting ok? Finished inspections 4-125 Samsung Electronics...
  • Page 210: Olp Protection Control Caused Comp. Down

    Test operation Connect S-net to vacuum. (forceful) All the sub valves open? Open the sub valve. Check the EEV. The outdoor/indoor EEV operates normally? Clogging in the pipeline? Check the pipeline. (ex-filter)v Check the amount of coolant. Samsung Electronics 4-126...
  • Page 211: Electrical Malfunctions Of The Outdoor Machine

    • Damaged fan. 1. How to check Alien substance in the fan. Remove it. Inaccurate assembly of the fan connection cable. Electricity replacement. Assemble the cable accurately before operation.(Before connecting the fan terminal to PCB, turn off the power. 4-127 Samsung Electronics...
  • Page 212 5) If the above inspections are successful, replace the electronic expansion valve of the problematic indoor machine. - It is very complicated work to replace the electronic expansion valve because it takes a collection of coolant from the system. Before replacement, you must check the above items. Samsung Electronics 4-128...
  • Page 213: Exploded Views And Parts List

    5. Exploded Views and Parts List 5-1 Indoor Unit 5-1-1 Slim1 way cassette type ■ Body Samsung Electronics...
  • Page 214 GROMMET-HANGER 27-4 DB67-00285A DRAIN HOSE-SOCKET POM,T3 27-5 DB72-00401C INSULATION-JOINT OUT FOAM-PE,T3,W200,L200,GREY 27-6 DB73-00089B RUBBER-PLUG NBR,D10,30,BLK 27-7 DB94-01258C ASS'Y DRAIN-HOSE JOINT ASS'Y 27-7-1 DB67-00335A DRAIN HOSE-HOUSING BLUE 27-7-2 DB67-00336E HOSE DRAIN-PVC SOFT PVC,14,20,3,GRAY 27-7-3 DB67-00805C DRAIN HOSE-JOINT B ABS,T3.0,NORmAL Samsung Electronics...
  • Page 215 Exploded Views and Parts List Slim 1 way cassette type(cont.) ■ Panel(A type) Samsung Electronics...
  • Page 216 DB63-01697A COVER-DISPLAY PCB HIPS,2.5,117,154,BLK DB64-00237A PANEL-DISPLAY LED AKM-2800,PC DB64-01759A PANEL FRONT-SLIM 1WAY ABS,40,465,1180,DA White DB64-01760A WINDOW-DISPLAY PCB PC,1.5,40,40,-,MILKY WHT DB64-01762A GRILLE-AIR INLET ABS,2.0,213,859,WHT DB65-00023A CLIP-WIRE-ASS'Y NYLON,AG-240E DB66-01187A BLADE-G ABS,5,11.6,WHT DB93-05321A ASS'Y PCB SUB FR-1,LEAD FREE DB63-01696A COVER-SCREW ABS,2.5,19,34,WHT Samsung Electronics...
  • Page 217 Exploded Views and Parts List Slim 1 way cassette type(cont.) ■ Panel(B type) Samsung Electronics...
  • Page 218 DB66-01239A GEAR RACK AGSP1181,ABS,2,17,2.5,WHT,SLIM1WAY DB93-05321A ASS'Y PCB SUB SLIM 1WAY DISPLAY PCB,PANEL, FR-1, LEAD FREE, AIXCSH040B1, AIXCSH032B1, AIXCSH023B1 DB66-00422A GEAR-PINION B AS-SA680,POM,1,18,24,WHITE,20,P.C.D18, DB66-01290A GEAR-PINION A AS-SA680,POM,1,18,26.5,WHITE,20,P.C.D18, DB70-00320B BAR-HEXA AGSP1181,STS304,5,85,SLIDE PANEL DB63-01696B COVER-SCREW S AGSP1181W,ABS,2.5,Neo Victory Gray, Spray-Color:EMPIRE SILVER Samsung Electronics...
  • Page 219: Mini 4 Way Cassette Type

    5-1-2 Mini 4 way cassette type ■ Body Samsung Electronics...
  • Page 220 MOTOR FAN ASS035WTVA,4WAYMINI-PJT,50Hz DB61-02495A BRACKET MOTOR IN SGCC-M,T1.2 DB63-01407A GROMMET MOTOR NR,35Þ DB90-02222A ASS'Y CABI BASE MINI 4WAY CASSETTE DB63-01372A GUARD SAFETY HSWR,T2.5 DB32-00066E THERMISTOR EVAP IN 300mm,MINI 4WAY CASSETTE DB94-01287D ASS'Y DRAIN HOSE INSTALL MINI 4WAY CASSETTE Samsung Electronics...
  • Page 221 Exploded Views and Parts List Mini 4 way cassette type(cont.) ■ Panel(PMSMAA) Samsung Electronics...
  • Page 222 STS304,T0.5 DB69-01269A CUSHION-IN EPS,30 DB69-01270A CUSHION-OUT EPS,30 DB64-01420A GRILLE-AIR INLET ABS,WHT DB63-01423A FILTER-PRE MINI PP,BLK,ANTI BACTERIAL FILTER DB70-00302A PLATE-HANGER STS304,T0.5 6002-000534 SCREW-TAPPING PH,2S,M3,L8,ZPC(BLK),SWRCH18A 6002-000536 SCREW-TAPPING PH,2S,M4,ZPC(YEL) 6002-001079 SCREW-TAPPING TH,2S,M4,L10 6011-001493 BOLT-HEX M6,L10,ZPC(YEL),SWRM18A DB61-02480B CONNECTOR-MOTOR B POM,NATURAL WASHER Samsung Electronics 5-10...
  • Page 223: Way Cassette Type

    Exploded Views and Parts List 5-1-3 4 way cassette type ■ Body(AVXC4H052/072C , ND052/0724H 5-11 Samsung Electronics...
  • Page 224 ASS'Y CUSHION BASE ASS'Y,EPS,V0 DB31-00439A MOTOR INDOOR BLDC DB90-03188A ASS'Y BRACKET MOTOR ASS'Y DB93-07219A CONNECT MOTOR FAN SUB ASS'Y DB32-00169A THERMISTOR IN ASS'Y DB32-00141A THERMISTOR EVAP ASS'Y DB94-01389A ASS'Y DRAIN HOSE ASS'Y DB90-02689B ASS'Y CABI BASE ASS'YSGCC-M Samsung Electronics 5-12...
  • Page 225 Exploded Views and Parts List 4 way cassette type(cont.) ■ Body(AVXC4H100/110/145C , ND100/110/145H 5-13 Samsung Electronics...
  • Page 226 ASS'Y CUSHION BASE ASS'Y,EPS,V0 DB31-00364A MOTOR INDOOR BLDC DB94-01059A ASS'Y BRACKET MOTOR ASS'Y DB93-07219A CONNECT MOTOR FAN SUB ASS'Y DB32-00169A THERMISTOR IN ASS'Y DB32-00141B THERMISTOR EVAP ASS'Y DB94-01078A ASS'Y DRAIN HOSE ASS'Y DB90-02689A ASS'Y CABI BASE ASS'Y,SGCC-M Samsung Electronics 5-14...
  • Page 227 Exploded Views and Parts List 4 way cassette type(cont.) ■ Panel(P4SMA) 5-15 Samsung Electronics...
  • Page 228 COVER SIDE C HIPS(BLK) DB63-01489A COVER SIDE D HIPS(BLK) DB64-01558A INLAY PCB DB64-01559A BUTTON PCB DB69-01419A CUSHION IN EPS,25 DB69-01420A CUSHION OUT EPS,25 DB61-02704A BRACKET STEPPING MOTOR SGCC-M,T1.0 DB61-02705A PLATE HANGER STS304,T0.5 DB93-04220A ASS'Y PCB DISPLAY ASS'Y Samsung Electronics 5-16...
  • Page 229 Exploded Views and Parts List 5-1-4 Global 4 way cassette type ■ Body (ND✳✳✳4HXCB) 5-17 Samsung Electronics...
  • Page 230 DB61-04511A CASE-PARTITION EVAP ABS,T2.0 DB61-04518A HOLDER-EVAP STS430,T0.6 DB61-04519A HOLDER-EVAP STS430,T0.6 DB61-02669B HOLDER-EVAP STS430,T0.6 DB96-15994A ASS'Y TUBE EVAP IN ASS'Y DB96-15994B ASS'Y TUBE EVAP IN ASS'Y DB96-15995A ASS'Y TUBE EVAP IN ASS'Y DB96-15996A ASS'Y TUBE EVAP IN ASS'Y Samsung Electronics 5-18...
  • Page 231 ASS'Y COLLECTOR ASS'Y DB96-16061A ASS'Y COLLECTOR ASS'Y DB96-14726B ASS'Y COLLECTOR ASS'Y DB96-16063A ASS'Y EVAP UNIT ASS'Y DB96-16063B ASS'Y EVAP UNIT ASS'Y DB96-15439B ASS'Y EVAP UNIT ASS'Y DB96-14909B ASS'Y EVAP UNIT ASS'Y DB95-04461A ASS'Y THERMISTOR IN-EVA IN OUT ASS'Y 5-19 Samsung Electronics...
  • Page 232 Samsung Electronics 5-20...
  • Page 233 Exploded Views and Parts List Global 4way cassette type (cont.) ■ Panel (ND✳✳✳4HXCB) 5-21 Samsung Electronics...
  • Page 234 WINDOW-SENSOR PC(WAFFLE MILKY) DB63-02738A COVER-PBA PP(NTR) DB64-02541A WINDOW-LED PC(WAFFLE FLOCKING GRAY) DB66-01412A LINK-HINGE A POM(WHT) DB66-01419A LINK-SWITCH A ABS(GREEN) DB66-01410A LINK-HINGE B POM(WHT) DB66-01420A LINK-SWITCH B ABS(GREEN) DB93-10649A ASS'Y PCB PANEL DISPLAY ASS'Y DB31-00371B MOTOR STEP ASS'Y Samsung Electronics 5-22...
  • Page 235: Duct Type(Slim I)

    Exploded Views and Parts List 5-1-5 Duct type(Slim I) ■ AVXDSH020/032/040C , ND020/032/040LH 23-4 23-5 23-1 23-6 23-7 23-3 23-2 23-8 5-23 Samsung Electronics...
  • Page 236 6P, POWER 23-5 DB65-00105M TERMINAL BLOCK 6P 6P, COMMUNICATION 23-6 DB26-00080A TRANS POWER 230V, 50HZ 23-7 2301-001370 CAPACITOR 450V 1.5μF 23-8 DB93-08296A ASS'Y PCB MAIN ASS'Y DB32-00142A ASS'Y THERMISTOR ASS'Y DB32-00141A THERMISTOR EVAP ASS'Y DB63-01299E ASS'Y FILTER ASS'Y Samsung Electronics 5-24...
  • Page 237: Duct Type(Slim Ii)

    Exploded Views and Parts List 5-1-6 Duct type(Slim II) ■ AVXDSH052/070C , ND052/072LH 30-1 30-6 30-2 30-3 30-4 30-5 5-25 Samsung Electronics...
  • Page 238 30-4 DB65-00105L TERMINAL BLOCK 6P 6P,POWER 30-5 DB65-00105M TERMINAL BLOCK 6P 6P,COMMUNICATION 30-6 DB26-10070G TRANS POWER 60Hz DB32-00142A ASS'Y THERMISTOR ASS'Y DB61-02349A CLIP BRUSH NYLON66,BLACK DB90-02101A ASS'Y COVER CONTROL ASS'Y DB93-08296A ASS'Y PCB ASS'Y DB63-01299C FILTER ASS'Y Samsung Electronics 5-26...
  • Page 239: Duct Type(Slim Iii)

    Exploded Views and Parts List 5-1-7 Duct type(Slim III) ■ AVXDSH100/110/145C , ND100/110/145LH 30-1 30-4 30-7 30-2 30-3 30-8 30-9 30-5 30-6 5-27 Samsung Electronics...
  • Page 240 30-6 DB65-00105M TERMINAL BLOCK 6P 6P,COMMUNICATION 30-7 DB26-00080A TRANS POWER 230V,50Hz 30-8 DB61-03122A CASE BLDC ABS(UL94-V5),BLK DB32-00142A ASS'Y THERMISTOR ASS'Y DB61-02349A CLIP BRUSH NYLON66,BLACK DB63-01299C FILTER ASS'Y DB93-08296C ASS'Y PCB MAIN ASS'Y DB93-04959A ASS'Y PCB SUB-BLDC ASS'Y Samsung Electronics 5-28...
  • Page 241: Duct Type(Msp)

    Exploded Views and Parts List 5-1-8 Duct type(MSP) ■ AVXDUH100/110C , ND100/110SH 14-7 14-4 14-8 14-6 14-3 14-1 15-3 15-2 15-9 14-2 15-6 14-5 15-5 15-4 15-7 15-1 15-8 5-29 Samsung Electronics...
  • Page 242 15-5 2301-001381 C-FILM, LEAD-OTHER 8uF,450VAC 15-6 DB65-00105M TERMINAL BLOCK 6P 250V,20A 15-7 DB65-00105L TERMINAL BLOCK 6P 250V,20A 15-8 DB61-00250A HOLDER-WIRE CLAMP NYLON 15-9 DB93-08296B ASS'Y PCB MAIN ASS'Y DB63-01296A ASS'Y COVER CONTROL ASS'Y DB32-00142B THERMISTOR -ASS'Y 103AT,103FW Samsung Electronics 5-30...
  • Page 243 Exploded Views and Parts List Duct type(MSP)(cont.) ■ AVXDUH145C , ND145SH 17-9 17-6 17-10 17-8 17-1 17-3 17-4 17-5 17-2 17-7 18-3 18-2 18-9 18-6 18-5 18-1 18-4 18-7 18-8 5-31 Samsung Electronics...
  • Page 244 18-5 2301-001381 C-FILM, LEAD-OTHER 8uF,450VAC 18-6 DB65-00105M TERMINAL BLOCK 6P 250V,20A 18-7 DB65-00105L TERMINAL BLOCK 6P 250V,20A 18-8 DB61-00250A HOLDER-WIRE CLAMP NYLON 18-9 DB93-08296B ASS'Y PCB MAIN ASS'Y DB63-01296A ASS'Y COVER CONTROL ASS'Y DB32-00142B THERMISTOR -ASS'Y 103AT,103FW Samsung Electronics 5-32...
  • Page 245: Duct Type(Big)

    Exploded Views and Parts List 5-1-9 Duct type(BiG) ■ ND HHXCA, ND HHXCE 11-1 11-3 11-5 11-2 11-4 11-6 5-33 Samsung Electronics...
  • Page 246 ASS'Y FAN IN PARTS 11-1 DB67-01123A DUCT-BACK HIPS 11-2 DB94-03168A ASS'Y FAN-BLOWER ABS+GF10 11-3 DB31-00593B MOTOR FAN 11-4 DB61-04881A BASE MOTOR SGCC 11-5 DB67-01124A DUCT-OUT OFF HIPS 11-6 DB67-01122A DUCT-FRONT HIPS DB90-06417A ASS'Y CABI FRONT PANEL SGCC Samsung Electronics 5-34...
  • Page 247: Wall-Mounted Type(Vivace)

    Exploded Views and Parts List 5-1-10 Wall-mounted type(Vivace) ■ AVXWVH020/032/040/052/060C , ND020/032/040/052/060VH 13-1 13-3 13-2 1-15 1-11 1-12 1-10 1-13 1-14 5-35 Samsung Electronics...
  • Page 248 RUBBER-CAP DRAIN GUM-EPM DB94-00458B ASS'Y DRAIN-HOSE ASS'Y DB31-00371A MOTOR STEP ASS'Y DB31-00370A MOTOR STEP ASS'Y DB63-00844D COVER-TERMINAL HIPS,V0 DB63-01063C COVER-TERMINAL HIPS,V0 DB63-00850A COVER-BEARING ABS,BLACK DB63-01065A COVER-BEARING ABS,BLACK DB96-03149A ASS'Y EVAP-SUPPORT RH ASS'Y DB96-03817A ASS'Y EVA P-SUPPORT RH ASS'Y Samsung Electronics 5-36...
  • Page 249 DB61-03028A BODY BACK HIPS DB61-03029A BODY BACK HIPS 13-2 DB93-04230A ASS'Y-COMPACT MPI ASS'Y 13-3 DB63-01583A COVER-MPI HIPS DB61-01638B HOLDER-PIPE HIPS DB61-01981B HOLDER-PIPE HIPS DB67-00499C CAP-SCREW HIPS,EMPIRE SILVER DB97-02851B PLATE-HANGER SGCC-M DB90-02738A PLATE-HANGER SGCC-M DB93-06280V ASS'Y REMOCON ASS'Y 5-37 Samsung Electronics...
  • Page 250 Samsung Electronics 5-38...
  • Page 251: Wall-Mounted Type(Neo Forte Without Eev)

    Exploded Views and Parts List 5-1-11 Wall-mounted type(Neo Forte without EEV) ■ AVXWNH020/032/040C , ND020/032/040NH 5-39 Samsung Electronics...
  • Page 252 ASS'Y DB64-00989E PANEL FRONT HIPS DB92-01207A ASS'Y GRILLE AIR INLET ASS'Y DB90-03094A ASS'Y COVER DISPLAY ASS'Y DB63-01591A GUARD AIR FILTER DB97-02851B ASS'Y PLATE HANGER ASS'Y DB61-01638B HOLDER PIPE DB90-03965A ASS'Y COVER TERMINAL ASS'Y DB93-03012P ASS'Y REMOCON ASS'Y Samsung Electronics 5-40...
  • Page 253 Exploded Views and Parts List Wall-mounted type(Neo Forte without EEV)(cont.) ■ AVXWNH056/060C , ND056/060NH 5-41 Samsung Electronics...
  • Page 254 ASS'Y REMOCON ARH-463 DB96-03817A ASS'Y SUPPORT EVAP RH HIPS DB31-00267A MOTOR IN 220-240V~,50/60Hz,Class E DB94-00456B ASS'Y CROSS FAN OD92xL635 DB97-02075A ASS'Y BOLT SPECIAL ASS'Y DB94-00455A ASS'Y RUBBER BEARING ASS'Y DB94-40007A ASS'Y BEARING MOTOR BEARING DB61-01977A BRACKET EVAP SGCC-M Samsung Electronics 5-42...
  • Page 255: Wall-Mounted Type(Neo Forte With Eev)

    Exploded Views and Parts List 5-1-12 Wall-mounted type(Neo Forte with EEV) ■ ND020/032/040QHXC✳ 5-43 Samsung Electronics...
  • Page 256 DB90-03094A ASS'Y COVER DISPLAY ASS'Y DB63-01591B GUARD AIR FILTER DB97-02851C ASS'Y PLATE HANGER ASS'Y DB61-01638B HOLDER PIPE HIPS DB90-05667A ASS'Y COVER TERMINAL ASS'Y DB93-03170Z ASS'Y REMOCON ARH-465 DB31-00219A MOTOR IN 220-240V~,50/60Hz,Class E DB94-00456A ASS'Y CROSS FAN OD92xL635 Samsung Electronics 5-44...
  • Page 257 Exploded Views and Parts List Wall-mounted type(Neo Forte with EEV)(cont.) ■ ND052/060QHXC✳ 5-45 Samsung Electronics...
  • Page 258 ASS'Y REMOCON ARH-465 DB96-03817A ASS'Y SUPPORT EVAP RH HIPS DB31-00442A MOTOR IN 220-240V~,50/60Hz,Class E DB94-00456B ASS'Y CROSS FAN OD92xL635 DB97-02075A ASS'Y BOLT SPECIAL ASS'Y DB94-00455A ASS'Y RUBBER BEARING ASS'Y DB94-40007A ASS'Y BEARING MOTOR BEARING DB61-01977A BRACKET EVAP SGCC-M Samsung Electronics 5-46...
  • Page 259: Ceiling Type

    Exploded Views and Parts List 5-1-13 Ceiling type ■ ND052/070CHXCA 9 10 1112 45-7 45-6 45-3 45-4 45-5 45-2 45-8 45-1 5-47 Samsung Electronics...
  • Page 260 COVER EVAP DB31-00467B MOTOR FAN ASS’Y(Y5S413B216) DB31-00467C MOTOR FAN ASS’Y(Y5S613A86) DB67-00260A BLOWER DB61-01160A CASE FAN UP DB63-00611A COVER MOTOR SGCC-M DB61-01162A HOLDER MOTOR SGCC-M DB63-00738A GUARD SAFETY HSWR DB63-00739A GUARD FAN HSWR DB67-00257A DRAIN PAN DB67-00275A DRAIN PARTITION Samsung Electronics 5-48...
  • Page 261 CEILING EU,PCB ASS'Y 45-4 DB65-00105M TERMINAL BLOCK 6P DAF-S6P 45-5 DB95-01101B TERMINAL BLOCK 6P DAF-S6P 45-6 DB26-00080A TRANS POWER ASS'Y 45-7 2301-001368 CAPACITOR 5uF 450VAC 2301-001369 CAPACITOR 3uF 450VAC 45-8 DB61-00250A CLAMP WIRE NYLON DB32-00102D THERMISTOR EVAP OUT ASS'Y 5-49 Samsung Electronics...
  • Page 262 Samsung Electronics 5-50...
  • Page 263: Outdoor Unit

    5-2 Outdoor Unit 5-2-1 RVXVHT075/100FE, RD075/100VHXFA 5-51 Samsung Electronics...
  • Page 264 Exploded Views and Parts List RVXVHT075/100FE, RD075/100VHXFA(cont.) Samsung Electronics 5-52...
  • Page 265 DB96-12406A ASS'Y TUBE-VAPOR INJECTION ASS'Y DB63-01361D COVER-CONTROL IN ABS,5V DB63-01361E COVER-CONTROL IN ABS,5V DB90-02149A ASS'Y COVER CONTROL-BOX ASS'Y DB93-07899A ASS'Y CONTROL-WIRE LOW ASS'Y DB63-02249A COVER-CONTROL WIRE UP ABS,5V DB63-01361F COVER-CONTROL IN ABS,5V DB65-00209B TERMINAL BLOCK-AC DATA 60A,AC1500V,10mA 5-53 Samsung Electronics...
  • Page 266 ASS'Y LEAD WIRE-MAIN COMP ASS'Y DB95-00766G ASS'Y COMP-HEATER ASS'Y DB95-00766H ASS'Y COMP-HEATER ASS'Y DB95-01425B ASS'Y BELT HEATER ASS'Y DB95-01959D ASS'Y DISCHARGE SENSOR ASS'Y DB95-01965C ASS'Y-THERMISTOR OUTDOOR ASS'Y DB95-01962A ASS'Y-THERMISTOR OUT SUMP ASS'Y DB95-01960A ASS'Y THERMISTOR-EVI IN OUT ASS'Y Samsung Electronics 5-54...
  • Page 267: Rvxvht125Fe, Rd125Vhxfa

    Exploded Views and Parts List 5-2-2 RVXVHT125FE, RD125VHXFA 5-55 Samsung Electronics...
  • Page 268 Exploded Views and Parts List RVXVHT125FE, RD125VHXFA(cont.) Samsung Electronics 5-56...
  • Page 269 DB63-01361E COVER-CONTROL IN ABS,5V DB90-02149A ASS'Y COVER CONTROL-BOX ASS'Y DB93-07899A ASS'Y CONTROL-WIRE LOW ASS'Y DB63-02249A COVER-CONTROL WIRE UP ABS,5V DB63-01361F COVER-CONTROL IN ABS 5V DB65-00209B TERMINAL BLOCK-AC DATA 60A,AC1500V,10mA DB65-40062U TERMINAL BLOCK ASS'Y DB65-00232D TERMINAL BLOCK-3PHASE ASS'Y 5-57 Samsung Electronics...
  • Page 270 ASS'Y LEAD WIRE-MAIN COMP ASS'Y DB95-00766G ASS'Y COMP-HEATER ASS'Y DB95-00766H ASS'Y COMP-HEATER ASS'Y DB95-01425B ASS'Y BELT HEATER ASS'Y DB95-01959G ASS'Y DISCHARGE SENSOR ASS'Y DB95-01965J ASS'Y-THERMISTOR OUTDOOR ASS'Y DB95-01962B ASS'Y-THERMISTOR OUT SUMP ASS'Y DB95-01960B ASS'Y THERMISTOR-EVI IN OUT ASS'Y Samsung Electronics 5-58...
  • Page 271: Rd075/100Vrxfa

    Exploded Views and Parts List 5-2-3 RD075/100VRXFA 5-59 Samsung Electronics...
  • Page 272 Exploded Views and Parts List RD075/100VRXFA(cont.) 35-1 32-5 32-1 32-2 32-4 32-3 Samsung Electronics 5-60...
  • Page 273 ASS'Y-TUBE HR EEV ASS'Y 32-4 DB96-14419A ASS'Y-TUBE LIQUID VALVE ASS'Y 32-5 DB96-14645A ASS'Y-TUBE 4WAY VALVE ASS'Y DB96-14351A ASS'Y-OIL SEPA OUT A ASS'Y DB96-14349A ASS'Y TUBE-EXPANSION VALVE ASS'Y DB96-14334A ASS'Y TUBE SUCTION-PWM ASS'Y 35-1 DB96-08402A ASS'Y TUBE PWM VALVE ASS'Y 5-61 Samsung Electronics...
  • Page 274 ASS'Y LEAD WIRE-MAIN COMP ASS'Y DB95-00766G ASS'Y COMP-HEATER ASS'Y DB95-00766H ASS'Y COMP-HEATER ASS'Y DB95-01425B ASS'Y BELT HEATER ASS'Y DB95-01959H ASS'Y DISCHARGE SENSOR ASS'Y DB95-01965K ASS'Y-THERMISTOR OUTDOOR ASS'Y DB95-01962C ASS'Y-THERMISTOR OUT SUMP ASS'Y DB95-01960F ASS'Y THERMISTOR-EVI IN OUT ASS'Y Samsung Electronics 5-62...
  • Page 275: Rd125Vrxfa

    Exploded Views and Parts List 5-2-4 RD125VRXFA 5-63 Samsung Electronics...
  • Page 276 Exploded Views and Parts List RD125VRXFA(cont.) 27-5 31 32-1 27-1 27-2 27-3 27-4 Samsung Electronics 5-64...
  • Page 277 ASS'Y TUBE SUCTION-PWM ASS'Y 32-1 DB96-11441A ASS'Y TUBE PWM VALVE ASS'Y DB96-14331A ASS'Y TUBE-OIL RETURN ASS'Y DB96-14373A ASS'Y TUBE DISCHARGE ASS'Y DB96-14372A ASS'Y-TUBE HOT-GAS BYPASS ASS'Y DB96-14365A ASS'Y-TUBE OIL SEPA OUT ASS'Y DB96-14371A ASS'Y-TUBE LIQUID BYPASS VALVE ASS'Y 5-65 Samsung Electronics...
  • Page 278 ASS'Y LEAD WIRE-MAIN COMP ASS'Y DB95-00766G ASS'Y COMP-HEATER ASS'Y DB95-00766H ASS'Y COMP-HEATER ASS'Y DB95-01425A ASS'Y BELT HEATER ASS'Y DB95-01959J ASS'Y DISCHARGE SENSOR ASS'Y DB95-01965L ASS'Y-THERMISTOR OUTDOOR ASS'Y DB95-01962D ASS'Y-THERMISTOR OUT SUMP ASS'Y DB95-01960G ASS'Y THERMISTOR-EVI IN OUT ASS'Y Samsung Electronics 5-66...
  • Page 279: Rd040/050Mhxca

    Exploded Views and Parts List 5-2-5 RD040/050MHXCA 5-67 Samsung Electronics...
  • Page 280 ASS'Y COND UNIT ASS'Y DB93-07456C ASS'Y PCB MAIN OUT ASS'Y DB93-08299A ASS'Y PCB SUB EMI ASS'Y DB93-07458M ASS'Y PCB MAIN OUT INVERTER ASS'Y DB93-07458N ASS'Y PCB MAIN OUT INVERTER ASS'Y DB65-00253R TERMINAL BLOCK ASS'Y DB65-00260C TERMINAL BLOCK ASS'Y Samsung Electronics 5-68...
  • Page 281: Pcb Diagram

    CN61, CN62-Slide Panel CN51-FLOAT S/W #1: ROOM Temp. Sensor #1: GND #1: On/off Contact point input #1,6: DC12V #2: GND #2: Float S/W #2: GND #2~5: Motor Control #3: EVA IN Temp. sensor #7~10: Not used #4: GND Samsung Electronics...
  • Page 282 ■ Panel CN01 : Connect the Main PBA of the Indoor Unit #1~5 : Control Display LED #6 : Not used #7 : Receive signals from wireless remote controller connecting connector #8 : GND #9 : VCC (DC5V) Samsung Electronics...
  • Page 283: Way Cassette Type ···························································································································

    #1: N Phase #7: Remote Sihnal Receive #3: GND #4: DC15V #2: N Phase #2: Drain Pump Control #8: GND #5: Motor Control Signal #9: VCC(DC5V) #6: Motor Feedback Signal CN75-VENTILOTOR OUTPUT #1: N Phase #2: Ventilator Control Samsung Electronics...
  • Page 284: Mini 4 Way Cassette Type ················································································································

    #3: Hall IC output #2: Comm. Signal F2 CN32-Remocon DC12V CN10-Micom Download CN91-Display CN13-SSR Fan Control #1: DC12V #1~5: LED Control #1 : DC12V #2: GND #6: AUTO_S/W #2: FAN SSR OUT #7: REMOCON_SIGNAL #8: GND #9: VCC Samsung Electronics...
  • Page 285: Duct Type(Slim) ···································································································································

    PCB Diagram 6-1-4 Duct type(Slim) ■ MAIN PCB Samsung Electronics...
  • Page 286 CN13-BLDC PCB Connector CN77-Heated water coil None #1: DC12V None #1: N phase #2: Fan Control Signal #2: heated water coil signal CN74- Drain Pump CN75- Ventilator #1: N phase #1: N phase #2: Drain signal #2: Ventilator signal Samsung Electronics...
  • Page 287 #1: AC Power L #1: ROOM Temp. Sensor #1: DC310V #2: AC Power N #2: GND #2: not used #3: EVA IN Temp. sensor #3: GND #4: GND #4: DC15V #5: Motor Control signal #6: Motor Feedback Signal Samsung Electronics...
  • Page 288 Samsung Electronics...
  • Page 289: Duct Type(Msp)

    PCB Diagram 6-1-5 Duct type(MSP) ■ MAIN PCB Samsung Electronics...
  • Page 290 #3: SSR Control signal (L phase) #3: SSR Iuput #3: Control Signal #2: heated water coil signal #5: N phase output CN74- Drain Pump CN75- Ventilator #1: N phase #1: N phase #2: Drain pump signal #2: Ventilator signal Samsung Electronics 6-10...
  • Page 291: Duct Type(Big)

    PCB Diagram 6-1-6 Duct type(BIG) ■ MAIN PCB 6-11 Samsung Electronics...
  • Page 292 #3 : DC12V #4 : Comp Check Signal CN13-BLDC PCB Connector CN74-Drain Pump CN75-Ventilator #1 : DC12V #1 : N phase #1 : N Phase #3 : Fan Control Signal #2 : Drain Pump Signal #2 : Ventilator Signal Samsung Electronics 6-12...
  • Page 293 PCB Diagram Duct type(BIG) (cont.) ■ EMI PCB Power Input L Power Input N Earth Power Output L Power Output N 6-13 Samsung Electronics...
  • Page 294 #2 : DC5V #3 : DC5V #4 : GND #4 : FAN Signal #6 : Motor Temperature #5 : FAN RPM #7 : GND #8 : Inrush CN13-Motor Control #1 : U #2 : V #3 : W Samsung Electronics 6-14...
  • Page 295: Wall-Mounted Type(Neo Forte Without Eev)

    PCB Diagram 6-1-7 Wall-mounted type(Neo Forte without EEV) ■ MAIN PCB 6-15 Samsung Electronics...
  • Page 296 #15: External Control Signal #16: Comp Check Signal #17,#19: 12V #18: Error Check Signal CN10-Micom Download CN62-EEV(Not used) CN93-Display CN63-Auto Grille #1~4: EEV control Signal #1~4: Electrically Operated Valve #1: 12V #5: 12V Signal #2~#5: Auto Grille Control #5: 12V Samsung Electronics 6-16...
  • Page 297 PCB Diagram Wall-mounted type(Neo Forte without EEV)(cont.) ■ SUB SWITCH CN # COLOR FUNCTION CN61 Black Main-Sub PCB Connecor CN83 White External Contact Control 6-17 Samsung Electronics...
  • Page 298 Samsung Electronics 6-18...
  • Page 299: Wall-Mounted Type(Neo Forte With Eev)

    PCB Diagram 6-1-8 Wall-mounted type(Neo Forte with EEV) ■ MAIN 6-19 Samsung Electronics...
  • Page 300 #1 : Start Capacitor #1~#4 : EEV Control #3: N Phase #3 : Operation S/W #3 : Motor Control #5, #6 : DC12V #4 : DC5V #5 : N Phase #5 : Wireless Remocon Signal #6: GND CN10-Micom Download Samsung Electronics 6-20...
  • Page 301 Wall-mounted type(Neo Forte with EEV)(cont.) ■ SUB SWITCH CN83-External Control CN61-Connect to Main CN42-External Control #1 : On/Off Contact Switch Input #1, #3 : DC12V #2 : GND #2 : Error Check Out #4 : Comp. Check Out 6-21 Samsung Electronics...
  • Page 302 Samsung Electronics 6-22...
  • Page 303: Wall-Mounted Type(Vivace)

    PCB Diagram 6-1-9 Wall-mounted type(Vivace) ■ MAIN PCB 6-23 Samsung Electronics...
  • Page 304 #15: Remocon Receiver Signal #15: External Control Signal #16: GND #16: Comp Check Signal #17,#19: 12V #18: Error Check Signal CN10-Micom Download CN62-EEV(Not Used) CN93-Display #1~4: EEV Control Signal #1: 12V #5: 12V #2~#5: Auto Grille Control Samsung Electronics 6-24...
  • Page 305 PCB Diagram Wall-mounted type(Vivace)(cont.) ■ SUB SWITCH CN # COLOR FUNCTION CN61 Black Main-Sub PCB Connecor CN83 White External Contact Control 6-25 Samsung Electronics...
  • Page 306: Celing Type

    CN51-Float S/W CN76-SUB PCB Connetction CN61-LOUVER CN11-TRANS-OUT #1: GND #1: DC12V #1: DC12V #2: Float S/W #2~5: LOUVER control #2: - #3: GND CN72-Trans In CN10-Micom Download CN62- EEV #1: N #1: EEV #2: L #2: DC12V Samsung Electronics 6-26...
  • Page 307: Outdoor Unit

    TUBE COND/O EVI-O EVI-I CN86 CN75 CN85 CN84 CN73 CN71 CN74 CN72 CN80 CN82 CN81 CN77 CN76 CN70 CN49 CN42 CN41 SUMP H-SENSOR L-SENSOR LIQUID OD EEV COOLING 4-WAY HOTGAS OIL3 OIL2 OIL1 A-CCH CCH-3 CCH-2 CCH-1 POWER 6-27 Samsung Electronics...
  • Page 308 #5: BLDC Fan Motor Control Signal #6: Inrush Relay Signal #7: Over Voltage Error Signal #8: Motor Overheating Error signal #9: Fan Motor counter rotation Error Signal #10: Fan RPM Error Signal #11, #12, #13: Not used Samsung Electronics 6-28...
  • Page 309 #1: U Phase Control Signal #1: U Phase Output #2: DC 5V #3: V Phase Control Signal #2: V Phase Output #4: GND #5: W Phase Control Signal #3: W Phase Output #6: Motor Temp. Sensor Input #7: GND 6-29 Samsung Electronics...
  • Page 310 VA701 X701 R702 L701 L702 07.04.05 DB41-00482A 60217A3 Y702 CN701-Power input (AC220V) CN702-Earth CN701- Power output (220V) L: L phase input Earth Connection #1: AC 220V - L N: N phase input #3: AC 220V - N Samsung Electronics 6-30...
  • Page 311 PCB Diagram ■ CT PCB CN61-Current sensor output value #1: COMP 1 Current Value Output #2: COMP 2 Current Value Output #3: COMP 3 Current Value Output #4: GND 6-31 Samsung Electronics...
  • Page 312 PCB Diagram ■ CT PCB CN61-Current sensor output value #1: COMP 1 Current Value Output #2: COMP 2 Current Value Output #3: COMP 3 Current Value Output #4: GND Samsung Electronics 6-32...
  • Page 313 #2 : Not Used #1 : DC 12V #3 : GND #2 : DC 5V #4 : DC 5V #3, 4 : Communication Signal #5 : Enable Signal #6 : Reverse Signal #7, 8 : AC Protection 6-33 Samsung Electronics...
  • Page 314 #3 : GND #4 : DC 16V #4 : DC 5V #5 : GND #6 : Revolution Control Signal CN71- Main Inverter Board Communication #1 : DC 12V #2 : Inverter Board DC Control #3 : Not Used Samsung Electronics 6-34...
  • Page 315 PCB Diagram ■ EMI PCB CN01- Main Power N1-N Phase Output L1-L Phase Output N-N Phase Input #1 : L Phase #2 : N Phase L-L Phase Input 6-35 Samsung Electronics...
  • Page 316 PCB Diagram ■ COMMUNICATION PCB CN31- Communication CN13L: 5V Output #1 : F1 Signal #1 : DC 5V #2 : F2 Signal #2 : GND Samsung Electronics 6-36...
  • Page 317: Wiring Diagram

    7-1-1 Slim 1way cassette type Fan Motor Part Indoor Eva. In Eva. Out Sensor Part Float S/W Part Rouver Control Drain Pump Part Part EEV Control Part Display Part This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 318: Way Cassette Type

    7-1-2 4 way cassette type Fan Motor Part Float S/W Part Indoor Eva. In EEV Control Eva. Out Part Sensor Part Drain Pump Part Display Part Rouver Control Part This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 319: Mini 4Way Cassette Type

    7-1-3 Mini 4way cassette type Indoor Eva. In Eva. Out Sensor Part Fan Motor Part Float S/W Part EEV Control Part Drain Pump Part Display Part Rouver Control Part This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 320: Duct Type(Slim I, Ii)

    Wiring Diagram 7-1-4 Duct type(Slim I, II) ■ AVXDSH020/032/040/052/072C , ND020/032/040/052/060/072LH Fan Motor Part EEV Control Part Indoor Eva. In Eva. Out Sensor Part Display Part This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 321: Duct Type(Slim Iii) ······························································································································

    Wiring Diagram 7-1-5 Duct type(Slim III) ■ AVXDSH100/110/145C , ND100/110/145LH EEV Control Part Indoor Eva. In Eva. Out Sensor Part Display Part Fan Motor Part This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 322: Duct Type(Msp)

    Wiring Diagram 7-1-6 Duct type(MSP) Fan Motor Part EEV Control Part Indoor Eva. In Eva. Out Sensor Part Display Part This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 323: Duct Type(Big)

    Wiring Diagram 7-1-7 Duct type(BIG) Motor Part Main PBA EEV Control Part Sensor Part Sensor Part BLDC PBA (Motor Control) EMI PBA (Power Input) This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 324: Wall Mounted Type(Vivace)

    Wiring Diagram 7-1-8 Wall Mounted type(Vivace) MPI Part Indoor Eva. In Eva. Out Sensor Part Fan Motor Part Auto Grille Display Part Part Rouver Control Part EEV Control Part This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 325: Wall Mounted Type(Neo Forte Without Eev)

    Wiring Diagram 7-1-9 Wall Mounted type(Neo Forte without EEV) Indoor Eva. In Eva. Out Sensor Part Fan Motor Part Display Part Rouver Control Part This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 326: Wall-Mounted Type(Neo Forte With Eev)

    Wiring Diagram 7-1-10 Wall Mounted type(Neo Forte with EEV) Indoor Eva. In Eva. Out Sensor Part Fan Motor Part Rouver Control Display Part Part EEV Control Part This Document can not be used without Samsung’s authorization. Samsung Electronics 7-10...
  • Page 327: Distributor Kit ····································································································································

    Wiring Diagram 7-1-11 Distributor kit C Room EEV Control Part B Room EEV Control Part A Room EEV Control Part This Document can not be used without Samsung's authorization. 7-11 Samsung Electronics...
  • Page 328 7-1-12 Ceiling Rouver Control Part Fan Motor Part EEV Control Part Indoor Eva. In Eva. Out Sensor Part Display Part This Document can not be used without Samsung’s authorization. Samsung Electronics 7-12...
  • Page 329: Outdoor Unit

    7-2 Outdoor Unit ■ RVXVHT075/100/125FE, RD075/100/125VHXFA 3Phase Input EEV Control Part Valves Parts Valves Parts Temp. Sensor Part Comp. Part CCH Part Motor RPM Part BLDC Motor Part This Document can not be used without Samsung's authorization. 7-13 Samsung Electronics...
  • Page 330 Wiring Diagram ■ RD075/100/125VRXFA 3Phase Input EEV Control Part Valves Parts Valves Parts Temp. Sensor Part Comp. Part CCH Part Motor RPM Part BLDC Motor Part This Document can not be used without Samsung's authorization. Samsung Electronics 7-14...
  • Page 331: Rd040/050Mhxca

    Wiring Diagram ■ RD040/050MHXCA Comp. Part Temp. Sensor Part EEV Control Part Valve Control Part Pressure Sensor Part Motor Control Part This Document can not be used without Samsung’s authorization. 7-15 Samsung Electronics...
  • Page 332 Samsung Electronics 7-16...
  • Page 345 Schematic Diagram ■ Filter PCB This Document can not be used without Samsung's authorization. 8-13 Samsung Electronics...
  • Page 346 Schematic Diagram ■ CT PCB This Document can not be used without Samsung's authorization. Samsung Electronics 8-14...
  • Page 352: Reference Sheet

    4 way Notation Cooilng Heating Cassette Mini 4 way Slim Indoor Duct Mid pressure Products Neo-Forte Cassette Vivace 10.0 11.0 Indoor Duct 11.1 12.8 14.5 16.3 Mode Raging Voltage 208~230V, 60Hz H/P+Heater C/O+Heater C/O+Hot Water Heater Version A-Z (Export) Samsung Electronics...
  • Page 353 R410A/DLX CONV Console 380V, 60Hz, 3phasea R410A/PRM Capa FAC & Large Capacity 460V, 60Hz, 3phasea R410A/Flagship KW/BTU'Liter Vivace Neo-Forte (EEV) Version Neo-Forte Export Crystal Solar (Water) Tank High efficiency EER Hydro Unit mode indoor unit HYDRO Water tank Samsung Electronics...
  • Page 354: Outdoor Unit

    Outdoor Unit(R410A) Heat Pump x1/10HP (3 Digits) Heat recovery Type Rating voltage Airflow direction Mini DVM 3Ø, 380~415V, 50Hz Upward airflows 3Ø, 208~230V, 60Hz DVM PLUS III DVM PLUS III HR Frontward airflow 1Ø, 220~240V, 50Hz Version Export Samsung Electronics...
  • Page 355 TROPICAL H/P 220~240V, 50Hz HP/KW/BTU/TON Non-Module 208~230V, 60Hz, (TOP) Inverter 3phasea 380~415V, 50Hz, Module 3phasea Refrigerant SLIM 127V, 50Hz 380V, 60Hz, 3phasea R410A MINI 460V, 60Hz, 3phasea HOME WDVM Version ECO Heating Export * MCD : Dummy Mockup madel Samsung Electronics...
  • Page 356: Refrigerant Circuit Diagram

    Liquid service valve between MCU & Indoor unit Oil solenoid valve 3 CGas service valve between MCU & Indoor unit Oil balancing service valve between units EEV bypass service valve Low pressure sensor EEVs for wall mount & ceiling unit in MCU Samsung Electronics...
  • Page 357 High pressure switch (Mechanical type) Switch & Heater Heater Electric heater DVI (Digital Vapor Injection) Compressor Compressor FVI (Fixed Vapor Injection) Compressor Accumulator Accumulator Others Heat Exchanger Condensing or Evaporating unit Sub cooler Turbo intercooler or Sub cooler Capillary Capillary tube Samsung Electronics...
  • Page 358 Reference Sheet Cycle Operation Mode(cont.) RVXVHT075/100/125FE, RD075/100/125VHXFA(cont.) ■ RVXVHT075/100FE, RD075/100VHXFA (DVM PLUS - 7.5/10HP) Samsung Electronics...
  • Page 359 Reference Sheet Cycle Operation Mode(cont.) RVXVHT075/100/125FE, RD075/100/125VHXFA(cont.) ■ RVXVHT125FE, RD125VHXFA (DVM PLUS - 12.5HP) Samsung Electronics...
  • Page 360 Reference Sheet Cycle Operation Mode(cont.) RD075/100VRXFA ■ RD075/100VRXFA (DVM PLUS HR - 7.5/10HP) Samsung Electronics...
  • Page 361 Reference Sheet Cycle Operation Mode(cont.) RD125VRXFA ■ RD125VRXFA (DVM PLUS HR - 125HP) Samsung Electronics 9-10...
  • Page 362 Reference Sheet Cycle Operation Mode(cont.) 9-2-1-2 RD040/050MHXCA Mark Name Outdoor unit heat exchanger 2Row 52Column, Ø7, FP1.5 2Row 52Column, Ø8, FP1.5 Compressor G5T360FUAEK G5T450FUCEX Low Pressure 5/8” 5/8” 9-11 Samsung Electronics...
  • Page 363 Mideast & Africa http://mea.samsungportal.com © Samsung Electronics Co., Ltd. Jul. 2011. This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law.

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