Samsung AM144FXVAFH Series Service Manual
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Samsung AM144FXVAFH Series Service Manual

Samsung AM144FXVAFH Series Service Manual

System air conditioner
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AIR CONDITIONER
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
AM072/096/120/144FXVAFH
AM072/096/120/144FXVAFR
AM072/096/120/144FXVAJH
AM072/096/120/144FXVAJR
AM072/096/120/192HXWAFR
AM072/096/120/192HXWAJR
AM168/192HXVAFH
AM168/192HXVAFR
AM168/192HXVAJH
AM168/192HXVAJR
AM072/096KXVTF
AM072/096KXVTJ
AM216KXVGJH
AM038/048/055KXWDCH
CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Cycle Diagram
8. Key Options
9. Test Operation
10. Reference Sheet

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Summary of Contents for Samsung AM144FXVAFH Series

  • Page 1 All manuals and user guides at all-guides.com SYSTEM AIR CONDITIONER OUTDOOR UNIT AM072/096/120/144FXVAFH AM072/096/120/144FXVAFR AM072/096/120/144FXVAJH AM072/096/120/144FXVAJR AM072/096/120/192HXWAFR AM072/096/120/192HXWAJR AM168/192HXVAFH AM168/192HXVAFR AM168/192HXVAJH AM168/192HXVAJR AM072/096KXVTF AM072/096KXVTJ AM216KXVGJH AM038/048/055KXWDCH AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5.

  • Page 2: Table Of Contents

    4-4-11 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used ......4-42 4-4-12 MCUMCU branch part setup error – Overlapping Indoor unit Address setup ....4-43 4-4-13 MCU branch part setup error – Set as being used without connection to an Indoor unit .. 4-44 Samsung Electronics...
  • Page 3 5-3 ASS’Y PCB INVERTER ............................... 5-10 5-4 OUT DOOR UNIT PCB ............................. 5-14 5-5 ASS’Y PCB FAN ................................5-16 5-6 ASS’Y PCB EMI ................................5-20 5-7 OUT DOOR UNIT PCB ............................5-21 5-8 SUB-COMM ................................5-22 5-9 ASSY PCB WATER-HUB ............................5-23 Samsung Electronics...
  • Page 4 9-1-1 Auto Trial Operation Synopsis ........................9-1 9-1-2 Auto Trial Operation functions .........................9-3 9-1-3 How to troubleshoot of the "Undetermined"..................9-4 9-1-4 Auto Trial Operation Error Code ......................9-13 9-2 Amount of refrigerant automatically checking .................... 9-14 10. Reference Sheet ....................10-1 10-1 Nomenclature ................................10-1 Samsung Electronics...

  • Page 5: Precautions

    Explain to workers that the battery for the remote control needs to be separated for storage purposes when the product will not be used for a long time. – This can cause a problem for the remote control since battery fluid may trickle out. Samsung Electronics...

  • Page 6: Precautions For Handling Refrigerant For Air Conditioner

    If the compressor is operating while the refrigerant pipe is not correctly connected and the service valve is opened, then air and other substances can enter the pipe. The interior of the refrigerant cycle may then build up excessive high pressure resulting in explosion and damage. Samsung Electronics...

  • Page 7: Product Specifications

    When load changes, capacity amendment that is soft by continuous operation of Dual Inverter is available. Step 1 Step 2 Capacity Step 3 Step 4 Variable Compressor driving : When load changes, is variable by fast inverter frequency. Amenities elevation : 0.5°C Samsung Electronics...
  • Page 8 - Refrigerant cooling system : Forced circulation / electric heat performance is high and control of (thermal conductivity is 10 times higher than air) load is available. Refrigerant cooling system : It is cooling technology of inverter circuit that use refrigerating cycle technology. Cooling of inverter circuit Cooling of inverter circuit Samsung Electronics...

  • Page 9: Changes In Comparison To Basic Mode

    Monolayer structure Double Layer Structure - Inverter technology integration (Inverter control circuit composition) - C/Box volume maximum use Control Box structure Built-in type Controller embodiment - Integrated power supply + control unit - Piping service easiness Samsung Electronics...
  • Page 10 Inverter PCB - Refrigerant cooling method (Compressor - Magnet S/W Control PCB) Did Power Relay mount to PCB. 3 phase power EMI PCB EMI PCB - Fuse mount Communication Did Communication Terminal block Terminal block mount to PCB. Samsung Electronics...
  • Page 11 - Fuse capacity changed - Capacitor changed Reactor newly application. Reactor - Terminal block for screw applied Capacity of heat sink increased. PCB Cooling Tube Tube size increased. Communication Did Communication Terminal block Terminal block mount to PCB. Samsung Electronics...
  • Page 12 - Enhanced fixing of load / control wire. Inverter PCB Compressor control (Compressor control PCB) Inverter PCB 3/4HP:PF#4 5/6HP : PF#5 Single-phase power supply EMI PCB EMI PCB - FUSE mount Water Hub PCB Water Hub PCB -The external contact point of the water-cooled. Samsung Electronics...
  • Page 13 Did Power Relay mount to PCB. 3 phase power EMI PCB ← EMI PCB - Fuse mount Communication Did Communication Terminal block ← Terminal block mount to PCB. Water Hub PCB Water Hub PCB - External contact for DVM S WATER Samsung Electronics...
  • Page 14     Increases coil size and EMI PCB fuse capacity - Improves EMI characteristic. - Increases current due to high capacity compressor REACTOR - Improved wire connection terminal - Increases heat cooling capacity Refrigerant - Increases pipe size and heat cooling exchange area Samsung Electronics...
  • Page 15 T IS COOLING TECHNOLOGY OF INVERTER CIRCUIT THAT USE REFRIGERATING CYCLE TECHNOLOGY OOLING OF INVERTER CIRCUIT OOLING OF INVERTER CIRCUIT Tube Changed Changed item Basic After changed [HP] After changed [HR] part and feature New inverter Tube cycle technology structure application New piping Samsung Electronics...

  • Page 16: Structure Of Product

    All manuals and user guides at all-guides.com Product Specifications 2-1-3 Structure of product AM072FXVAF AM072FXVAJ TRANS BOX AM096FXVAF AM168HXVAF AM096FXVAJ AM168HXVAJ AM120FXVAF AM192HXVAF AM120FXVAJ AM192HXVAJ AM144FXVAF AM072KXVAF AM144FXVAJ AM072KXVAJ AM096KXVAF AM096KXVAJ TRANS BOX 2-10 Samsung Electronics...

  • Page 17: Product Specifications

    All manuals and user guides at all-guides.com Product Specifications AM216KXVGJ CONTROL BOX 4-WAY V/V Heat Exchanger Subcooler Gas Pipe Liquid Pipe Compressor Samsung Electronics 2-11...
  • Page 18 All manuals and user guides at all-guides.com AM038/048/055KXWD Liquid Pipe Gas Pipe CONTROL BOX Plate Heat Exchanger Compressor 4WAY V/V SUBCOOLER ACCUMULATOR 2-12 Samsung Electronics...
  • Page 19 4 WAY V/V Sub Cooler Compressor Receiver Oil separator Plate Heat Exchanger AM192HXWAF Liquid Pipe 4 WAY V/V High pressure Gas Pipe Accumulator Low pressure Gas Pipe CONTROL BOX Sub Cooler Oil separator Plate Heat Exchanger Receiver Compressor Samsung Electronics 2-13...
  • Page 20 Sub Cooler Compressor Receiver Plate Heat Exchanger Oil separator AM192HXWAJ TRANS BOX Liquid Pipe 4 WAY V/V High pressure Gas Pipe Accumulator Low pressure Gas Pipe CONTROL BOX Sub Cooler Oil separator Plate Heat Exchanger Receiver Compressor 2-14 Samsung Electronics...
  • Page 21 5. If the indoor unit is below, height length allows up to 361ft (If over 164ft, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 131ft. 2-15 Samsung Electronics Samsung Electronics 2-16...

  • Page 22: Outdoor Unit

    4. Maximum length between outdoor and indoor units allows up to 656ft (Equivalent length 722ft). 5. If the indoor unit is below, height length allows up to 361ft (If over 164ft, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 131ft. 2-17 Samsung Electronics...
  • Page 23 5. If the indoor unit is below, height length allows up to 361ft (If over 164ft, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 131ft. 2-18 Samsung Electronics Samsung Electronics 2-19...
  • Page 24 4. Maximum length between outdoor and indoor units allows up to 656ft (Equivalent length 722ft). 5. If the indoor unit is below, height length allows up to 361ft (If over 164ft, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 131ft. Samsung Electronics 2-20...
  • Page 25 All manuals and user guides at all-guides.com Product Specifications Product Specifications TYPE DVM S Water 208-230V Model Name(Samsung Model) AM038KXWDCH/AA AM048KXWDCH/AA AM055KXWDCH/AA AM072HXWAFR/AA AM096HXWAFR/AA AM120HXWAFR/AA AM192HXWAFR/AA Mode Power Supply Φ, V, Hz 1Φ,208~230V,60Hz 3Φ,208~230V,60Hz Capacity Cooling Btu/h 38200 47800 54600...
  • Page 26 All manuals and user guides at all-guides.com Product Specifications Outdoor Unit(Continue) TYPE DVM S Water 460V Model Name(Samsung Model) AM072HXWAJR/AA AM096HXWAJR/AA AM120HXWAJR/AA AM192HXWAJR/AA Mode Power Supply Φ, V, Hz 3Φ,460V,60Hz Cooling Btu/h 72,000 96,000 120,000 192,000 Capacity (Nominal) Heating 81,000...

  • Page 27: Accessory And Option Specifications

    MCU-S4NEE2N 2 ROOM MCU-S2NEK1N 2 ROOM MEV-E24SA EEV KIT (1 Room) MEV-E32SA MXD-E24K132A MXD-E24K200A EEV KIT (2 Room) MXD-E32K200A Applty to products without EEV (Wall mount & Ceiling) MXD-E24K232A MXD-E24K132A MXD-E24K300A EEV KIT (3 Room) MXD-E32K224A MXD-E32K300A Samsung Electronics 2-24...

  • Page 28: Disassembly And Reassembly

    +SCREW DRIVER MONKEY SPANNER -SCREW DRIVER NIPPER ELECTRIC MOTION DRIVER L-WRENCH For “disassembly and assembly” DVM PLUS indoor unit, please refer to the products with the same structures. Only those products that are not specified elsewhere are described here. Samsung Electronics...

  • Page 29: Disassembly And Reassembly

    1) Remove 14 screws from the cabinet (Use + screw driver) equipment Part 2) Remove 4 screws that is fixing and separate Cover Control Box. (Use + Screw driver) 3) Power, Compressor, Valve, Motor, Sensor connector connected to ASSY PCB remove. Samsung Electronics...
  • Page 30 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal block protection remove. 6) 5 screws had fixed to Front part remove. Samsung Electronics...
  • Page 31 7) 6 screws had fixed on side refrigerant cool- ing part outside remove . Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily. (Is responsible for parts damage.) 8) 2 screws had fixed on side refrigerant cooling part inside remove. Samsung Electronics...
  • Page 32 AM072FXVA H DB62-04154C AM072FXVA H DB62-03808B AM072FXVA H DB62-03808C VALVE & SENSOR Valve & Sensor Expansion Valve EVI EEV Valve Accum Oil Return Valve EVI In Sensor INSULATION Model Insu Code Binding Wire AM072FXVA H DB62-03808C AM072FXVA H DB62-03808E Samsung Electronics...
  • Page 33 Low Pressure Sensor VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Comp Top Sensor Discharge Sensor High Pressure Switch INSULATION Model Insu Code Binding Wire AM072FXVA H DB62-03808D Samsung Electronics...
  • Page 34 Valve & Sensor Main EEV Valve OD EEV Valve Accum Return Valve EVI In Sensor Hot Gas 1 Valve Hot Gas 2 Valve Liquid Sensor INSULATION Model Insu Code Binding Wire AM072FXVA R DB62-03808E AM072FXVA R DB62-04154B AM072FXVA R DB62-03808C Samsung Electronics...
  • Page 35 EVI EEV Valve VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Comp Top Sensor Discharge Sensor High Pressure Switch INSULATION Model Insu Code Binding Wire AM072FXVA R DB62-03808D Samsung Electronics...
  • Page 36 Disassembly and Reassembly Binding Wire 3 AM072FXVA Comp Wire fix by Holder Wire. Fix Comp Wire-Core to Bracket Beam Control Box using large size Cable Tie(350mm). Separate double layer structure of C/Box after remove 3 screws and connector. Samsung Electronics...
  • Page 37 4Way+Oil Sepa Out Accum+EVI Bypass Oil Return+Suction Vapor Injection+EVI Bypass Hot Gas Vavle +Suction Hot Gas Vavle +Oil Sepa Out Expansion+Subcooler 4Way+Cond In Pinch Pipe Expansion+Cond Out Accum Oil Return Valve + Suction Liquid Ball Vavle +Colling Accum+Suction 3-10 Samsung Electronics...
  • Page 38 Accum+Accum Oil Vavle 4Way+Oil Sepa Out Accum+EVI Bypass 4Way+Cond In Vapor Injection+EVI Bypass Expansion+Cond Out Hot Gas Vavle +Oil Sepa Out Pinch Pipe Oil Return+Suction Accum Oil Return Valve+Suction LQD Ball Valve+Subcooler Subcooler+Expansion LQD Ball Valve+Cooling Accum+Suction Samsung Electronics 3-11...

  • Page 39: Am192Hxva /096Kxva

    1) 11 screws that is fixing CABINET remove. equipment Part (Use + Screw driver) 2) Remove 4 screws that is fixing and separate Cover Control Box. (Use + Screw driver) 3) Power, Compressor, Valve, Motor, Sensor connector connected to ASSY PCB remove. 3-12 Samsung Electronics...
  • Page 40 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal block protection remove. 6) 5 screws had fixed to Front part remove. Samsung Electronics 3-13...
  • Page 41 7) 6 screws had fixed on side refrigerant cool- ing part outside remove . Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily. (Is responsible for parts damage.) 8) 2 screws had fixed on side refrigerant cooling part inside remove. 3-14 Samsung Electronics...
  • Page 42 Insu Code Binding Wire AM096FXVAJH / DB62-03808G AM120FXVAJH VALVE & SENSOR Valve & Sensor EVI SOL Valve Low Pressure Sensor Hot Gas Valve INSULATION Model Insu Code Binding Wire AM096FXVAJH / DB62-04154D AM120FXVAJH AM096FXVAJH / DB62-04154D AM120FXVAJH Samsung Electronics 3-15...
  • Page 43 AM096FXVAJH / DB62-03808E AM120FXVAJH VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Comp Top Sensor Discharge Sensor INSULATION Model Insu Code Binding Wire AM096FXVAJH / DB62-03808C AM120FXVAJH 3-16 Samsung Electronics...
  • Page 44 AM096FXVAJR / DB62-03808G AM120FXVAJR AM096FXVAJR / DB62-04154C AM120FXVAJR VALVE & SENSOR Valve & Sensor EVI SOL Valve Low Pressure Sensor Hot Gas Valve INSULATION Model Insu Code Binding Wire AM096FXVAJR / DB62-04154D AM120FXVAJR AM096FXVAJR / DB62-04154D AM120FXVAJR Samsung Electronics 3-17...
  • Page 45 Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Comp Top Sensor Discharge Sensor High Pressure Switch INSULATION Model Insu Code Binding Wire AM096FXVAJR / DB62-03808C AM120FXVAJR AM096FXVAJR / DB62-03808D AM120FXVAJR 3-18 Samsung Electronics...
  • Page 46 Disassembly and Reassembly Binding Wire 3 AM096FXVAJ /AM120FXVAJ Comp Wire fix by Holder Wire. Fix Comp Wire-Core to Bracket Beam Control Box using large size Cable Tie(350mm). Separate double layer structure of C/Box after remove 3 screws and connector. Samsung Electronics 3-19...
  • Page 47 Accum+Accum Oil Valve 4Way+Cond In Accum+EVI Bypass Expansion+Cond Out Vapor Injection+EVI Bypass Expansion+Subcooler Hot Gas Valve+Suction Pinch Pipe Hot Gas Valve+Oil Sepa Out Accum Oil Return Valve + Suction Oil Return+Suction Liquid Ball Valve+Subcooler In Subcooler+Subcooler In 3-20 Samsung Electronics...
  • Page 48 Accum+EVI Bypass 4Way+Cond In Vapor Injection+EVI Bypass Expansion+Cond Out Hot Gas Valve+Suction Pinch Pipe Hot Gas Valve+Oil Sepa Out Accum Oil Return Valve+Suction Oil Return+Suction Subcooler+Subcooler In LQD Valve+Subcooler In Expansion+Subcooler Cooling+Subcooler In LQD Ball Valve+Subcooler In Samsung Electronics 3-21...

  • Page 49: Am096Fxvaf /Am120Fxvaf /Am144Fxva /072Kxva

    1) 11 screws that is fixing CABINET remove. equipment Part (Use + Screw driver) 2) Remove 4 screws that is fixing and separate Cover Control Box. (Use + Screw driver) 3) Power, Compressor, Valve, Motor, Sensor connector connected to ASSY PCB remove. 3-22 Samsung Electronics...
  • Page 50 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal block protection remove. 6) 5 screws had fixed to Front part remove. Samsung Electronics 3-23...
  • Page 51 7) 6 screws had fixed on side refrigerant cool- ing part outside remove . Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily. (Is responsible for parts damage.) 8) 2 screws had fixed on side refrigerant cooling part inside remove. 3-24 Samsung Electronics...
  • Page 52 < Reference > Heat Sink To Heat Sink Thermal Grease Spread service work - Spread enough Thermal Grease evenly on Plate Heat Sink back whole using roller or brush. - Reassemble Plate Heat Sink in reverse order of disassembly. Samsung Electronics 3-25...
  • Page 53 03808D AM096KXVA H AM096FXVAFH /AM120FXVAFH / DB62- AM144FXVA H /AM168HXVA H / AM192HXVA H /AM072KXVA H / 03808E AM096KXVA H AM096FXVAFH /AM120FXVAFH / DB62- AM144FXVA H /AM168HXVA H / AM192HXVA H /AM072KXVA H / 03808C AM096KXVA H 3-26 Samsung Electronics...
  • Page 54 Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor INSULATION Model Insu Code Binding Wire AM096FXVAFR /AM120FXVAFR / DB62-04154J AM144FXVA R AM168HXVA R/ DB62-05142C AM192HXVA R AM096FXVAFR /AM120FXVAFR / DB62-04154C AM144FXVA R AM168HXVA R / AM192HXVA R Samsung Electronics 3-27...
  • Page 55 Insu Code Binding Wire AM096FXVAFR /AM120FXVAFR / AM144FXVA R /AM168HXVA R / DB62-03808C AM192HXVA R AM096FXVAFR /AM120FXVAFR / AM144FXVA R /AM168HXVA R / DB62-03808E AM192HXVA R AM096FXVAFR /AM120FXVAFR / AM144FXVA R /AM168HXVA R / DB62-03808C AM192HXVA R 3-28 Samsung Electronics...
  • Page 56 VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Low Pressure Sensor INSULATION Model Insu Code Binding Wire AM096FXVAFR / AM120FXVAFR / AM144FXVA R / DB62-04154C AM168HXVASR / AM192HXVA R Samsung Electronics 3-29...
  • Page 57 AM096FXVAF /AM120FXVAF /AM144FXVA /AM168HXVA /AM192HXVA AM072KXVA / AM096KXVA Comp Wire fix by Holder Wire. Fix Comp Wire-Core to Bracket Beam Control Box using large size Cable Tie(350mm). Separate double layer structure of C/Box after remove 3 screws and connector. 3-30 Samsung Electronics...
  • Page 58 4Way+Oil Sepa Out Accum+Accum Oil Vavle 4Way+Cond In Accum+EVI Bypass Expansion+Cond Out Vapor Injection+EVI Bypass Expansion+Cooling Hot Gas Vavle +Suction Pinch Pipe Hot Gas Vavle +Oil Sepa Out Accum Oil Return Valve + Suction Oil Return+Suction Subcooler+Subcooler In Samsung Electronics 3-31...
  • Page 59 4Way+Oil Sepa Out Accum+Accum Oil Vavle 4Way+Cond In Accum+EVI Bypass Expansion+Cond Out Vapor Injection+EVI Bypass Pinch Pipe Hot Gas Vavle +Suction Accum Oil Return Valve+Suction Hot Gas Vavle +Oil Sepa Out Subcooler+Expansion Oil Return+Suction LQD Ball Valve+Subcooler 3-32 Samsung Electronics...
  • Page 60 ( 'A' direction) 3. Carefully remove the CABINET ( 'B' direction) 2) Remove 4 screws that is fixing and separate Cover Control Box. (Use + Screw driver) 3) Power, Compressor, Valve, Motor, Sensor connector connected to ASSY PCB remove. Samsung Electronics 3-33...
  • Page 61 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal block protection remove. 6) 5 screws had fixed to Front part remove. 3-34 Samsung Electronics...
  • Page 62 . Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily. (It can be a cause of parts damage) 8) 2 screws had fixed on side refrigerant cooling part inside remove. Use the driver with magnetic. Samsung Electronics 3-35...
  • Page 63 < Reference > Heat Sink Spread therminal grease on heat sink - Spread enough Thermal Grease evenly on Plate Heat Sink back whole using roller or brush. - Reassemble Plate Heat Sink in reverse order of disassembly. 3-36 Samsung Electronics...

  • Page 64: Am216Kxvgj

    Valve & Sensor EVI SOL Valve EVI Bypass Valve Hot Gas Valve High Pressure Sensor Low Pressure Sensor Suction Sensor High Pressure Switch #1 High Pressure Switch #2 INSULATION Insu Code Binding Wire DB62-08751F DB62-04154C DB62-08752D DB62-04154D Samsung Electronics 3-37...
  • Page 65 DB62-08752F VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Expansion Valve Liquid Sensor EVI In Sensor EVI Out Sensor INSULATION Insu Code Binding Wire DB62-08751G DB62-08751C DB62-04154C 3-38 Samsung Electronics...
  • Page 66 Disassembly and Reassembly Binding Wire 3 AM216KXVG Comp Wire fix by Holder Wire. Fix Comp Wire-Core to Bracket Beam Control Box using large size Cable Tie(350mm). Separate double layer structure of C/Box after remove 3 screws and connector. Samsung Electronics 3-39...
  • Page 67 Accum + Accum Oil Valve Expansion + Cond out Accum + EVI Bypass Expansion +Cooling Hot Gas Valve + Oil Sepa out Pinch Pipe Accum +Hot Gas Valve Cooling + Subcooler In Oil Return + Suction Vapor Injection + EVI Bypass 3-40 Samsung Electronics...
  • Page 68 Part 2) Remove the 4 screws which is fixed to the Cover Control Box and then separate the Cover Control Box. (Use +Screw driver) 3) Disconnect the Power, Compressor, Valve, Motor, Sensor connector from the Assy PCB. Samsung Electronics 3-41...
  • Page 69 6) First, separate the wires which is fixed to the holder as shown in the picture. And then remove the 2 screws and sepa- rate the PBA in the direction of arrow as shown in the picture. 3-42 Samsung Electronics...
  • Page 70 COND OUT Temperature Sensor MAIN EEV Sub-cooler OUT Temperature Sensor HOT GAS CHARGING VALVE Water Temperature Sensor 4WAY VALVE EVI EEV Suction Temperature Sensor High Pressure Switch High Pressure Sensor Low Pressure Sensor INSULATION Binding Insu Code Wire DB62-03808E DB62-03808F Samsung Electronics 3-43...
  • Page 71 All manuals and user guides at all-guides.com Binding Wire 2 AM038/048/055KXWD VALVE & SENSOR Valve & Sensor HOT GAS BYPASS VALVE Discharge Temperature Sensor INSULATION Insu Code Binding Wire DB62-04154N DB62-03808C Valve & Sensor DC FAN WIRE 3-44 Samsung Electronics...
  • Page 72 All manuals and user guides at all-guides.com Binding Wire 3 AM038/048/055KXWD Comp wire and Valve / Sensors wire is passed through the Rubber-Cover and then fix using a Wire Holder. Samsung Electronics 3-45...
  • Page 73 Hot Gas Charging + Subcooler Oil Separator + Oil Sepa Out Subcooler + Cond Oil Separator + Hot Gas Bypass Cond + 4Way Oil Sepa Out + 4Way 4Way + Accum Accum + Suction Accum + Subcooler Comp + Suction 3-46 Samsung Electronics...
  • Page 74 1) 9 screws that is fixing CABINET remove. (Use + Screw driver) equipment Part 2) Remove 7 screws that is fixing and separate Cover Control Box. (Use + Screw driver) 3) Power, Compressor, Valve, Motor, Sensor connector connected to ASSY PCB remove. Samsung Electronics 3-47...
  • Page 75 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal block protection remove. 6) 4 screws had fixed to Front part remove. 3-48 Samsung Electronics...
  • Page 76 7) 6 screws had fixed on side refrigerant cooling part outside remove . Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily. (Is responsible for parts damage.) 8) 2 screws had fixed on side refrigerant cooling part inside remove. Samsung Electronics 3-49...
  • Page 77 < Reference > Heat Sink To Heat Sink Thermal Grease Spread service work - Spread enough Thermal Grease evenly on Plate Heat Sink back whole using roller or brush. - Reassemble Plate Heat Sink in reverse order of disassembly. 3-50 Samsung Electronics...

  • Page 78: Am072/096/120Hxwa

    Suciton 1 Sensor Suciton 2 Sensor Main Cooling Valve EVI Bypass Valve EVI SOL Valve Main Cooling Valve EVI Bypass Valve INSULATION Binding Model Insu Code Wire AM072/096/120HXWA DB62-03808A AM072/096/120HXWA DB62-04154C AM072/096/120HXWA DB62-03808A AM072/096/120HXWA DB62-04154C AM072/096/120HXWA DB62-03808A AM072/096/120HXWA DB62-04154C Samsung Electronics 3-51...
  • Page 79 AM072/096/120HXWA VALVE & SENSOR Valve & Sensor Liquid valve Liquid temp. sensor COMP TOP sensor Discharge temp. sensor INSULATION Model Insu Code Binding Wire AM072/096/120HXWA DB62-04154A AM072/096/120HXWA DB62-03808D VALVE & SENSOR Valve & Sensor Water temp. sensor 3-52 Samsung Electronics...
  • Page 80 All manuals and user guides at all-guides.com Binding Wire 3 AM072/096/120HXWA Comp wire & valve,sensor wires fix by Holder wire with cover bushing hole. Separate double layer structure of C/Box after remove 3 screws and connector. Samsung Electronics 3-53...
  • Page 81 Subcooler+EVI Bypass Comp+Discharge Subcooler+Receiver Comp+Vapor Injection Hot Gas Vavle+4way Discharge+Oil Sepa Hot Gas Vavle+Receiver 4Way+Oil Sepa Out Receiver+Expansion 4Way+Cond In Cond+Expansion 4Way+Accum Expansion+Tube Liquid Accum+Suction Accum+Accum Oil Vavle Accum+EVI Bypass Accum Oil Vavle+Suction Vapor Injection+EVI Bypass Subcooler+Tube Liquid 3-54 Samsung Electronics...

  • Page 82: Am192Hxwa

    1) 9 screws that is fixing CABINET remove. (Use + Screw driver) equipment Part 2) Remove 6 screws that is fixing and separate Cover Control Box. (Use + Screw driver) 3) Power, Compressor, Valve, Motor, Sensor connector connected to ASSY PCB remove. Samsung Electronics 3-55...
  • Page 83 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal block protection remove. 6) 4 screws had fixed to Front part remove. 3-56 Samsung Electronics...
  • Page 84 7) 6 screws had fixed on side refrigerant cooling part outside remove . Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily. (Is responsible for parts damage.) 8) 2 screws had fixed on side refrigerant cooling part inside remove. Samsung Electronics 3-57...
  • Page 85 Subcooler inlet temp. sensor Liquid temp. sensor HOT GAS #2 valve Main EEV COND OUT temp. sensor Bypass valve High pressure sensor INSULATION Model Insu Code Binding Wire AM192HXWA DB62-04154A AM192HXWA DB62-03808C AM192HXWA DB62-03808E AM192HXWA DB62-03808D AM192HXWA DB62-03808D 3-58 Samsung Electronics...
  • Page 86 Main cooling valve COMP TOP sensor Discharge temp. sensor Discharge temp. sensor COMP TOP sensor 4WAY VALVE INSULATION Model Insu Code Binding Wire AM192HXWA DB62-03808A AM192HXWA DB62-03808D AM192HXWA DB62-03808D VALVE & SENSOR Valve & Sensor Water temp. sensor Samsung Electronics 3-59...
  • Page 87 All manuals and user guides at all-guides.com Binding Wire 3 AM192HXWA Comp wire & valve,sensor wires fix by Holder wire. Separate double layer structure of C/Box after remove 3 screws and connector. 3-60 Samsung Electronics...
  • Page 88 Receiver+Bypass hot gas Discharge+Oil Sepa Subcooler+Tube Liquid 4Way+Oil Sepa Subcooler+EVI Bypass 4Way+Accum EVI Bypass+Vapor Injection Accum+EVI Bypass Subcooler+Tube Liquid 4WAY+Tube Liquid Accum+Accum oil 4WAY+Cond Vapor Injection+Vapor Injection Comp+Vapor Injection Bypass hot gas+Oil Sepa Expansion+Cond Bypass hot gas+Suction Receiver+Expansion Samsung Electronics 3-61...

  • Page 89: Caution At Compressor Exchange

    Add oil according to sheep of oil that pour decided addition before. Establish again by vacuum mode after connect power. Execute leakage examination using nitrogen vacuum work Add a refrigerant quantity deciding from step 5. Execute Auto Trial Operation after open SVC Valve. 3-62 Samsung Electronics...
  • Page 90 Add oil according to sheep of oil that pour decided addition before. Establish again by vacuum mode after connect power. Execute leakage examination using nitrogen vacuum work Add a refrigerant quantity deciding from step 5. Execute Auto Trial Operation after open SVC Valve. Samsung Electronics 3-63...
  • Page 91 - Compressor contains the oil at factory shipment as follow(compressor single item standards). - UG8T300FUBJU: 1200cc, UG5T450FUEJX: 1700cc - The weight of compressor including oil is as follow. - UG8T300FUBJU: 16.45kg, UG5T450FUEJX: 22.95kg 3-64 Samsung Electronics...
  • Page 92 All manuals and user guides at all-guides.com Disassembly and Reassembly OIL SEPARATOR Weight SVC CODE information DB96-16927A 3.54kg DB96-17888A 7.86kg (DB96-17639A (7.14kg DB96-17640A) except for bracket base) DB96-20380A 16.21kg DB96-21970A 2.71kg Samsung Electronics 3-65...
  • Page 93 All manuals and user guides at all-guides.com ACCUMULATOR Weight SVC CODE information DB96-17091A 16.64kg DB96-16928A 22.08kg DB96-20395A 30.37kg DB96-21912A 32.33kg 3-66 Samsung Electronics...
  • Page 94 - Power connector of ARV confirms that was linked right. - Extract connector in vacuum mode or confirm whether when insert, action sound of valve happens. When CCH is badness, can become cause of compressor breakdown by oil foaming. 3-67 Samsung Electronics...

  • Page 95: Mcu

    2) Separate 4 fixing screws from the brackets. (Use + Serew Driver) Cabinet front 1) Separate front cabinet from MCU. Control box cover 1) Separate 2 fixing screws from the control box cover. (Use + Serew Driver) 2) Separate control box cover from MCU. Samsung Electronics 3-68...

  • Page 96: Eev Kit

    1) Separate 1 fixing screw from EEV kit. (Use + Serew Driver) 2) Separate cabinet from EEV kit. Control parts 1) Separate 2 fixing screws from EEV kit. (Use + Serew Driver) 2) Separate control part from EEV kit. 3-69 Samsung Electronics...

  • Page 97: Troubleshooting

    Set up the number of connected outdoor units (SMW200-10 black) MICOM. download (AS-PRO) For checking indoor unit communication (SMW200-07P white) (YW396-02P red) Transmitter 12V ERROR DISPLAY (YW396-02P blue) State Check Outdoor Unit Tact Switch (SMW250-04P red) EEPROM SOCKET Outdoor Unit Dip Switch Samsung Electronics...

  • Page 98: Pcb Description

    All manuals and user guides at all-guides.com Troubleshooting 4-2 PCB Description AM030/040/050/060KXWD✳✳ Function Function EEPROM Connector (B7P- Display MQ WHT) Communication connec- Tact Switch tor between indoor and outdoor unit. MICOM Download The central controller (YDW200-20 BLK) communication Samsung Electronics...

  • Page 99: Service Operation

    If an error occurs, the discharge mode may not work properly. In particular, E464 & E364 is power devices can be damaged. Therefore, the discharge mode, do not use. (Natural discharge until Please wait for at least 15 minutes.) Samsung Electronics...
  • Page 100 Whole operation (The set temperature=37.4 ) Whole operation (The set temperature=104 ) Outdoor fan and valves Normally control conduct Operation time 60 minutes Etc. During the filling operation does not enter the special operation, such as oil recovery, defrost. Samsung Electronics...
  • Page 101 Operation side : 2000 Step , Stop side : 2000 step Maximum Operation Time 30 minutes Does not conduct the operation of the special operation, and protection control. Etc. Pressure and temperature is outside normal limits : Operation is shut down after gas pipe manually closed. Samsung Electronics...
  • Page 102 Discharge is complete, the power of the Inverter PCB and Fan PCB is being blocked, communication function is blocked, E206 will occur. If want operation again after complete discharge mode : Restart after K3 key to Reset or Power Reset. Samsung Electronics...
  • Page 103 Outdoor temperature is less than 50 : Heating commissioning Oil recovery start Oil recovery start : It is after 10 minutes which Safety Start finishes. Etc. Oil recovery shut down and stop the normal pattern of the outdoor unit stop. Samsung Electronics...
  • Page 104 If an error occurs, the discharge mode may not work properly. In particular, E464 & E364 is power devices can be damaged. Therefore, the discharge mode, do not use. (Natural discharge until Please wait for at least 15 minutes.) Samsung Electronics...
  • Page 105 When there were error, 'Dicharge mode of DC link voltage' may not have been effective. Especialy if error E464 and E364 have been occured, power element might be damaged by fire and therefore, do not use the 'Discharge mode of DC link K3 (Number of press) Key operation Display on segment 1 time Intialize (Reset) setting Same as initial state Samsung Electronics...
  • Page 106 Whole operation (The set temperature=3 (37.4 ) ) (The set temperature=40 (104 ) ) Other Actuators Normally control conduct Operation time 60 minutes Etc. During the filling operation does not enter the special operation, such as oil recovery. 4-10 Samsung Electronics...
  • Page 107 Does not conduct the operation of the special operation, and protection control. Pressure and temperature is outside normal limits : Operation is shut down after gas Etc. pipe manually closed. (However, all current limit control, and protection and control of IPM CompDown control is performed.) Samsung Electronics 4-11...
  • Page 108 Discharge is complete, the power of the Inverter PCB is being blocked, communication function is blocked, E206 will occur. If want operation again after complete discharge mode : Restart after K3 key to Reset or Power Reset. 4-12 Samsung Electronics...

  • Page 109: Dvm S Models Eeprom Code Table

    Ex) U200: Outdoor unit 1, U201: Outdoor unit 2, U202: Outdoor unit 3, U203: Indoor unit 4 When displaying indoor unit address Ex) A000: Indoor unit adress 0, A001: Indoor unit address 1, A002: Indoor unit address 2 Samsung Electronics 4-13...
  • Page 110 No temperature changes in EVA OUT during pipe inspection or changes in temperature is seen in E-191 indoor unit with wrong address E-198 Error due to disconnected thermal fuse of indoor unit 4-14 Samsung Electronics...
  • Page 111 Refrigerant leakage or error on high pressure sensor (Short or Open) E-296 Refrigerant leakage or error on low pressure sensor (Short or Open) E-308 Error on suction temperature sensor (Short or Open) E-311 Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (Short or Open) Samsung Electronics 4-15...
  • Page 112 Motor wire of Fan1 is not connected E-448 Lock error on Fan1 E-452 Error due to ZPC detection circuit problem or power failure E-453 Error due to overheated motor of outdoor unit's Fan1 E-455 Error due to overheated IPM of Fan1 4-16 Samsung Electronics...
  • Page 113 EHS freezing protection error (EHS not reoperatable) E-910 EHS water out sensor detached E-911 EHS flow switch error E-913 EHS flow switch error (6th detection)(EHS not reoperatable) E-914 EHS thermostat detached E-915 EHS radiating fan unoperate error Auto Trial Operation incompleted (UnPrepared) Samsung Electronics 4-17...

  • Page 114: Appropriate Measures For Different Symptom

    2. Execute the Auto Trial Operation by Tact Switch. 3. UP display disappears after Auto Trial Operation is complete, normal operation is possible. 4. Auto Trial Operation is completed, if there is a history, normal operation execution. 4-18 Samsung Electronics...
  • Page 115 In case of wiring error (N-phase is changed with one of R, S and T) with the N-phase, will operate the power protection function, display E425 or stop the power. This is not a PCB power defect in this case, before PCB replacement, please Caution check the power on. Samsung Electronics 4-19...
  • Page 116 3. If the quantity of the indoor units configured with the indoor unit installation quantity setup switch does not match the quantity of the indoor units found during the tracking process, E201 and U200 will be displayed in order on the display module. 4. When you install more than one MCU, set the quantity of installed MCU. 4-20 Samsung Electronics...
  • Page 117 2. Execute the Auto Trial Operation by Tact Switch. 3. UP display disappears after Auto Trial Operation is complete, normal operation is possible. 4. Auto Trial Operation is completed, if there is a history, normal operation execution. Samsung Electronics 4-21...
  • Page 118 Step 2 Digit 4 times Press K4 n times 1’ s Digit (0~9) Press the 2 seconds K4 : number of indoor units automatically senses. Step 3 Press the 2 seconds K2, after save is ended (system reset) 4-22 Samsung Electronics...

  • Page 119: Main Pcb Has No Power Phenomenon

    Is Water Hub PCB CN102 connected by AC220V? Check the short circuit of EMI PCB Fuse. Were Main PCB CN101 and Water Hub PCB Check the Main PCB and Water Hub PCB power wire. CN102 connected correctly? Replace Main PCB Samsung Electronics 4-23...
  • Page 120 Check the rated input voltage range Is the HUB PCB LED lighted up? on main terminal block. (R/S/T/N) Is the communication wire of Connect the communication wire to the CN96 connector on the HUB PCB. MAIN/HUB connected? Replace the MAIN PCB. 4-24 Samsung Electronics...
  • Page 121 Is Water Hub PCB CN102 connected by AC220V? Check the short circuit of EMI PCB Fuse. Were Main PCB CN101 and Water Hub PCB Check the Main PCB and Water Hub PCB power wire. CN102 connected correctly? Replace Main PCB Samsung Electronics 4-25...
  • Page 122 PCB. communication for inspection and change the indoor unit PCB. * Essential Requirements before Changing PCB in Case of Communication Error: Refer to p.50 Good Defective 0.7V 0.7V 4-26 Samsung Electronics...
  • Page 123 - Each resistance value should be measured in tens of kΩ~to hundreds of kΩ. - Difference between the two resistance values should be of some number of kΩ. Judging as defective - One or both are low with tens of Ω - One or both of them is open Samsung Electronics 4-27...

  • Page 124: Communication Error Between Indoor And Outdoor Units During Tracking

    If there is no peculiarity, then connect the indoor units one by one Check the communication cable and the connector of the outdoor unit PCB, and change the PCB. to find the indoor unit that is interfering with the communication for inspection and change the indoor unit PCB. 4-28 Samsung Electronics...
  • Page 125 - Each resistance value should be measured in tens of kΩ~to hundreds of kΩ. - Difference between the two resistance values should be of some number of kΩ. · Judging as defective - One or both are low with tens of Ω - One or both of them is open Samsung Electronics 4-29...

  • Page 126: Communication Error Between Indoor And Outdoor Units After Tracking

    * Essential Requirements before Changing PCB in the indoor unit which interferes with the communication Case of Communication Error: Refer to p.50 to check and change the indoor unit PCB. Good Defective 0.7V 0.7V 4-30 Samsung Electronics...
  • Page 127 Essential Requirements before Changing PCB in which interferes with the communication to check and change the Case of Communication Error : Refer to 63 page. indoor unit PCB. Good Defective 0.7V 0.7V Samsung Electronics 4-31...

  • Page 128: Communication Error Between Main And Sub Unit Of Outdoor Unit Or Between Outdoor Units

    Indoor unit and Outdoor unit. Check address of Outdoor unit. Re-address Outdoor unit Check operation of LED and 7-SEG each SUB UNIT normally. Replace MAIN PCB Essential Requirements before Changing PCB in Case of Communication Error: Refer to p.59 4-32 Samsung Electronics...
  • Page 129 Check the wiring of outdoor unit Change wiring or connect communication wire. Confirmation of outdoor unit setup options Change settings K13, K14 Replace PCB Essential Requirements before Changing PCB in Case of Communication Error : Refer to 63 page. Samsung Electronics 4-33...

  • Page 130: Internal Communication Error Of The Outdoor Unit C-Box

    1) Check the Main PCB : Main PCB TX circuit inspection Does FAN PCB LD22/LD32 (LED) blink? 2) Check the Hub PCB : Hub PCB TX circuit inspection * Service after turn off the Main Power. Replace Main PCB 4-34 Samsung Electronics...
  • Page 131 Is Main PCB CN301 and Water Hub PCB CN302 Water Hub PCB CN302 communication wire. connector accurately connected? Restart after connecting the Main PCB CN305 and Is LED151 of Inverter PCB blinking? Inverter PCB CN351 communication wire. Replace Main PCB Samsung Electronics 4-35...

  • Page 132: Internal Pcb Communication Error Of The Outdoor Unit C-Box

    Replace Hub PCB E206 C002 Check the connection status Lighting of Fan PCB LD41 did confirmation? (CN12 connector) Is Fan PCB CN13 connector accurately Fan PCB CN13 connection connected? Replace Fan PCB (Fan PCB TX part : Breakage) 4-36 Samsung Electronics...
  • Page 133 Check the wire connection Is LED151 of Inverter PCB blinking? communication wire. status Check the input terminal connection status. [CN91 connector] (L and N of Inverter PCB) Replace Inverter PCB (Inverter PCB TX part : Partial breakage) Samsung Electronics 4-37...
  • Page 134 Internal PCB Communication error of the Outdoor Unit C-Box (cont.) E206 C003/C004 Check the connection status Lighting of INV PCB LD11 did confirmation? (CN91 connector) Is INV PCB CN32 connector accurately CN32 connector connection connected? Replace INV PCB (INV PCB TX part : Breakage) 4-38 Samsung Electronics...

  • Page 135: Mcu Branch Part Setup Error - Inconsecutive Connection With The Use Of 2 Branch Parts

    Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting, press K3 button on the button to reset or turn it off to restart. MCU BOX #0 address setup MCU PCB Branch part use setup Setting error Indoor unit address Branch A Indoor unit Samsung Electronics 4-39...

  • Page 136: Mcu Branch Part Setup Error-Repeated Setup For The Same Address Over 3 Times

    Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting, press K3 button on the button to reset or turn it off to restart. Outdoor Unit PCB Quantity of Quantity of Indoor Unit Branch A Indoor Unit: 3 MCU: 1 4-40 Samsung Electronics...

  • Page 137: Mcu Branch Part Setup Error-Non-Installed Address Setup

    Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting, press K3 button on the button to reset or turn it off to restart. MCU BOX #0 address setup MCU PCB Branch part use setup Indoor unit address Branch A Indoor unit Samsung Electronics 4-41...

  • Page 138: Setup Error For Mcu Branch Part - Setup Error For Mcu Quantity Used

    Quantity of Indoor Unit Indoor Unit: - MCU: 2 Address: 1 Address: 2 ex) Two among three of MCU address was set to 0 Outdoor Unit PCB Quantity of Quantity of Indoor Unit Indoor Unit: - MCU: 3 4-42 Samsung Electronics...

  • Page 139: Mcu Branch Part Setup Error - Overlapping Indoor Unit Address Setup

    After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart. MCU BOX #0 address setup MCU PCB Branch part use setup Indoor unit address Branch A MCU BOX #1 address setup MCU PCB Branch part use setup Indoor unit address Branch A Samsung Electronics 4-43...

  • Page 140: Mcu Branch Part Setup Error - Set As Being Used Without Connection To An Indoor Unit

    Adjust the Dip switch that sets up the use of MCU branch part to ‘Not-Used'. After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart. MCU BOX #1 MCU PCB Branch A 4-44 Samsung Electronics...

  • Page 141: Mcu Branch Part Setup Error - Connect An Indoor Unit To A Branch Part Not Being Used

    Check the actual use of the branch part. If it is used, turn on the Dip switch for branch part setup. After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart. MCU BOX #1 MCU address setup MCU PCB Branch part use setup Indoor unit address Branch A Indoor unit Samsung Electronics 4-45...

  • Page 142: Mcu Branch Part Setup Error - Connect More Indoor Units Than What Is Actually Set Up In Mcu

    Example of MCU indoor unit setting DIP switch error ex) Indoor unit No.5 was connected to branch part C, but DIP switch No.3 (branch part C) is off. Outdoor Unit PCB Quantity of Quantity of Indoor Branch A Indoor Unit: 4 MCU: 1 4-46 Samsung Electronics...

  • Page 143: Mcu/Mcu Subcooler Entrance/Exit Sensor Error (Open/Short)

    Separate the connector from the PCB and measure the resistance value between the 2 terminals. 12.1 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective itself. Restart operation after replace the PCB Samsung Electronics 4-47...

  • Page 144: Outdoor Temperature Sensor Error

    12.1 18.0 27.3 Did the resistance 43.0 value significantly stray from the following temperature table? Replace this since it is the defective of the outdoor temperature sensor itself. Restart operation after replace the PCB 4-48 Samsung Electronics...

  • Page 145: Cond Out Temperature Sensor Error (Open/Short)

    COND 12.1 18.0 27.3 43.0 Did the resistance value significantly stray from the following temperature table? Replace this part as it is the defective of the outdoor Cond Out sensor itself. Restart operation after replace the PCB Samsung Electronics 4-49...
  • Page 146 Resistance value measure part 27.3 43.0 Did the resistance value significantly stray from the following temperature table? Replace this part as it is the defective of the outdoor Cond Out sensor itself. Restart after replace the PCB 4-50 Samsung Electronics...

  • Page 147: Outdoor Cond Out Sensor Breakaway Error

    Is the Cond Out sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to E231) Are there any changes n the value of the sensor when operating from Blocked Sensor Path : stop to heating? Change heat exchanger Ass'y Complete Samsung Electronics 4-51...
  • Page 148 Is the Cond Out sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to E231) Are there any changes Blocked Sensor Path : n the value of the sensor when operating from Change heat exchanger Ass'y stop to heating? Complete 4-52 Samsung Electronics...

  • Page 149: Compressor Discharge Or Top 1/2 Temperature Sensor Error

    TOP1 TOP2 200.0 242.0 362.0 553.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Compressor Discharge or Top Temperature sensor itself. Restart operation after replace the PCB Samsung Electronics 4-53...
  • Page 150 362.0 TOP(OLP) Discharge 553.0 Did the resistance value significantly stray from the following temperature table? Replace this part as it is the defective of the compressor discharge or Top temperature sensor itself. Restart after replace the PCB 4-54 Samsung Electronics...

  • Page 151: Compressor Discharge Or Top Temperature Sensor Breakaway Error

    Replace the PCB Temperature(°C) Resistance(KΩ) 11.2 18.5 32.0 59.0 TOP1 TOP2 200.0 TOP1 : CN43 (3, 4) 242.0 TOP2 : CN45 (5, 6) 362.0 DIS1 : CN43 (1, 2) 553.0 DIS2 : CN45 (3, 4) Samsung Electronics 4-55...
  • Page 152 Re-insert the sensor. Is the discharge or Top temperature sensor and the Reassemble the sensor holder. sensor holder correctly attached? Is the Discharge or Top temperature sensor resistance Replace the defective sensor value reasonable? (Refer to E251) Complete 4-56 Samsung Electronics...

  • Page 153: E269 : Suction Temperature Sensor Breakaway Error

    Is Suction sensor Re-insert the sensor. and sensor Holder accurately Re-attach the sensor holder. attached? Is Suction sensor Defective Sensor : Replace Sensor and sensor Holder accurately attached? NOTE1 Temperature(°C) Resistance(KΩ) Replace the PCB 12.1 18.0 27.3 43.0 Samsung Electronics 4-57...
  • Page 154 ∙ Suction temperature sensor breakaway / defective 1. How to check Is suction sensor and sensor Re-insert the sensor. holder accurately attached? Reassemble the sensor holder. Is suction sensor resistance value reasonable? Replace the defective sensor (Refer to E231) Complete 4-58 Samsung Electronics...

  • Page 155: High Pressure Sensor Error (Open/Short)

    (Please check by connecting the Manifold gauge to the service valve) Out of the PCB High Pressure Replace PCB sensor terminals, is there voltage between pins 3 and 4 5V? mark is the 1st pin on the PCB. Replace High Pressure sensor Samsung Electronics 4-59...
  • Page 156 (Please check by connecting the manifold gauge to the service valve) Out of the PCB high pressure sensor terminals, is Replace PCB there voltage between pins (3 and 4) 5V? Replace high pressure sensor mark is the 1st pin on the PCB. 4-60 Samsung Electronics...

  • Page 157: Low Pressure Sensor Error (Open/Short)

    (Please check by connecting the Manifold gauge to the service valve) Out of the PCB Low Pressure Replace PCB sensor terminals, is there voltage between pins 3 and 4 5V? mark is the 1st pin on the PCB. Replace Low Pressure sensor Samsung Electronics 4-61...
  • Page 158 (Please check by connecting the manifold gauge to the service valve) Out of the PCB low pressure sensor terminals, Replace PCB is there voltage between pins (3 and 4) 5V? Replace low pressure sensor mark is the 1st pin on the PCB. 4-62 Samsung Electronics...

  • Page 159: Suction Temperature Sensor Error (Open/Short)

    2 terminals. SUCT 12.1 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor Suction sensor itself. Restart operation after replace the PCB Samsung Electronics 4-63...
  • Page 160 2 terminals. SUCT 12.1 18.0 27.3 43.0 Did the resistance value significantly stray from the following temperature table? Replace this part as it is the defective of the outdoor suction sensor itself. Restart after replace the PCB 4-64 Samsung Electronics...

  • Page 161: Liquid Pipe Temperature Sensor Error (Open/Short)

    2 terminals. LIQUID 12.1 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Liquid Pipe Temperature sensor itself. Restart operation after replace the PCB Samsung Electronics 4-65...
  • Page 162 Resistance value measure part 18.0 LIQUID 27.3 43.0 Did the resistance value significantly stray from the following temperature table? Replace this part as it is the defective of the liquid pipe temperature sensor itself. Restart after replace the PCB 4-66 Samsung Electronics...

  • Page 163: Evi In Temperature Sensor Error (Open/Short)

    EVI-IN 12.1 CN44 (3,4) 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor EVI In Temperature sensor itself. Restart operation after replace the PCB Samsung Electronics 4-67...

  • Page 164: Evi Out Temperature Sensor Error (Open/Short)

    EVI-OUT 12.1 CN44 (5,6) 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor EVI Out Temperature sensor itself. Restart operation after replace the PCB 4-68 Samsung Electronics...

  • Page 165: Suction-2 Temperature Sensor Error (Open/Short)

    CN46 (1,2) 12.1 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Change this part as it is the fault of the outdoor Suction-2 sensor itself. Restart operation after changing PCB Samsung Electronics 4-69...

  • Page 166: Measures Of Other Outdoor Unit Error

    FAN2 PBA IPM temperature sensor error Replace FAN PBA E499 FAN1 PBA IPM temperature sensor error Replace FAN PBA E374 Inverter PBA2 IGBT temperature sensor error Replace Inverter PBA E474 Inverter PBA1 IGBT temperature sensor error Replace Inverter PBA 4-70 Samsung Electronics...
  • Page 167 1. Measures by code Code Error Measures Check the connection of COMP and Inverter PBA E467 COMP.1 wire unconnected error (If there is no abnormality, replace the PBA) E474 Inverter PBA1 IGBT temperature sensor error Replace Inverter PBA Samsung Electronics 4-71...

  • Page 168: E407 : Comp. Down Due To High Pressure Protection Control

    Are there any blockage inside Pipe inspection the pipe? (filter etc.) Are the Outdoor Fan Replace relevant component operating normally for the cooling and the Indoor Fan operating normally (motor or fan) for the heating? Check the refrigerant amount. 4-72 Samsung Electronics...
  • Page 169 Replace high pressure sensor Gauge value are the same? Are the indoor unit and outdoor Check the relevant EEV unit EEV normally operating? Are there any blockage inside the Pipe inspection pipe? (filter etc.) Check the refrigerant amount Samsung Electronics 4-73...
  • Page 170 Are there any blockage inside Pipe inspection the pipe? (filter etc.) When cooling operation, Check the water pipes or Replace water temperature, quantity, or heating relevant component(motor or fan) operation, indoor fan operates normally do? Check the refrigerant amount. 4-74 Samsung Electronics...

  • Page 171: E410 : Comp. Down Due To Low Pressure Protection Control

    (filter etc.) Is there any leakage in the Liquid Pipe Valve or the Discharge Replace relevant component check valve leaking on outdoor unit that is off when only some Outdoor Units are operating? Check the refrigerant amount. Samsung Electronics 4-75...
  • Page 172 (filter etc.) Is there any leakage in the Liquid Pipe Valve or the discharge check Replace relevant component valve of the not-go-end Outdoor Unit when only some Outdoor Units are operating? Check the refrigerant amount. 4-76 Samsung Electronics...

  • Page 173: Top Temperature Sensor

    Temperature(°C) Resistance(KΩ) Check the refrigerant amount. 11.2 18.5 32.0 59.0 TOP1 TOP2 200.0 TOP1 : CN43 (3, 4) 242.0 TOP2 : CN45 (5, 6) 362.0 DIS1 : CN43 (1, 2) 553.0 DIS2 : CN45 (3, 4) Samsung Electronics 4-77...
  • Page 174 Open the service valve Are all service valves open? Are the indoor unit and outdoor unit EEV Check the relevant EEV normally operating? Are there any blockage inside the Pipe inspection pipe? (filter etc.) Check the refrigerant amount 4-78 Samsung Electronics...

  • Page 175: 3-Phase Input Wiring Error

    Did the EMI PCB Fuse is short? Replace Fuse, if the rectifier diode of the inverter PCB is normal. Is EMI PCB CN21 Connection and then restart it connector and Inverter PCB accurately connected? Replace the MAIN PCB. Samsung Electronics 4-79...

  • Page 176: E428 : Suspension Of Starting By Abnormal Compression Ratio

    Manifold Gauge value in range? Are the 4Way Valve normally operating? Check the 4Way Valve Are the Indoor Unit and Outdoor Unit EEV Check the relevant EEV normally operating? Compressor Inspection Is current of compressor normally? Check the refrigerant Complete 4-80 Samsung Electronics...

  • Page 177: Evi Eev Open Error

    Normal Replace EVI EEV Abnormal Check for Intercooler leakage. Normal Replace Intercooler Abnormal Check for Intercooler leakage. Normal Replace Indoor Unit EEV Is there a liquid-gas pipe directly connected to each other? Reinstall pipe Check the refrigerant Samsung Electronics 4-81...
  • Page 178 Check the Intercooler leakage. Normal Replace Intercooler Breakdown Check the indoor unit EEV leakage Normal Replace indoor unit EEV Check the connection for indoor unit pipe (Connect liquid pipe-gas pipe directly) Reinstall pipe Check the refrigerant amount 4-82 Samsung Electronics...

  • Page 179: Refrigerant Leakage Error

    Refill refrigerant after vacuum folder gauge to the service valve) Out of the PCB Pressure sensor terminals, is there voltage between Replace PCB pins 3 and 4 5V? mark is the 1st pin on the PCB. Replace Pressure sensor Samsung Electronics 4-83...
  • Page 180 (Please check by connecting the manifold gauge to the service valve) Out of the PCB pressure sensor terminals, is there Replace PCB voltage between pins (3 and 4) 5V? Replace pressure sensor mark is the 1st pin on the PCB. 4-84 Samsung Electronics...

  • Page 181: Prevention Of Heating / Cooling Operation Due To Outdoor Temperature

    ∙ Cooling operation : When the outdoor temperature is less than -25℃ ∙ System protection operation status (Is not breakdown) Cause of problem · If the outdoor temperature is satisfied the operating range, it will clear the error and start the operation automatically. Samsung Electronics 4-85...

  • Page 182: Prevention Of Heating Refrigerant Charge Due To Outdoor Temperature

    Filter/MPI Operation Defrost Timer Filter Operation Timer Turbo Indoor Unit Display × × ◑ ◑ ◑ × ◑ ◑ ◑ ● ◑ ◑ ※ ● : ON ◑ : Flash ×: OFF ℃ Judgment Method Special Cause 4-86 Samsung Electronics...

  • Page 183: Wire Breaking Error

    Fix the compressor Top temperature sensor in correct position. Is CCH resistance normal? (500~700Ω/infinite for disconnection) Change CCH. Does the E445 error occur even after the outdoor unit K3” RESET? Normal Operation. Replace the PCB. Samsung Electronics 4-87...
  • Page 184 Fix the compressor Top temperature sensor in correct position. Is CCH resistance normal? (500~700Ω/infinite for disconnection) Change CCH. Does the E445 error occur even after the outdoor unit K3” RESET? Normal Operation. Replace the PCB. 4-88 Samsung Electronics...

  • Page 185: Fan Starting Error

    Motor (U V,V W,W U) Replace Fan Motor less than 10Ω? Is the resistance between the Replace Fan Motor body of Fan Motor and chassis MΩ? Does the Compressor connection Check the connection wire wire properly connect? Replace Fan PCB Samsung Electronics 4-89...
  • Page 186 Measurement error can occur for reasons such as the initial measurement condenser discharge. Measured over at least three times. Measure the diode 0.3~0.7V voltage values < Table 1 > Fan PCB < Figure 1 > 4-90 Samsung Electronics...

  • Page 187: Fan Lock Error

    If you rotate the fan by hand, Replace Fan Motor the noise occurs? Connection wire of Fan Motor did confirmation? Check the connection status, and then restart. (Check the connection status of the Fan1 and Fan2.) Replace Fan PCB Samsung Electronics 4-91...

  • Page 188: Momentary Blackout Error

    ※ ● : ON ◑ : Flash ×: OFF Judgment Method ∙ Momentary stop of compressor due to momentary blackout. Cause of problem ∙ System protection operation status (Is not breakdown) 1. Measures : Replace Hub PCB or Main Hub connection wire. 4-92 Samsung Electronics...

  • Page 189: Outdoor Fan Motor Overheating

    Connection wire of Fan Motor did confirmation? (Verify that the wire folded, or the connection Check the connecting wire and restart it. is detached.) Is there anything strange in Replace Fan PCB appearance Fan Motor? Replace Fan Motor Samsung Electronics 4-93...

  • Page 190: Fan Ipm Overheat Error

    Is the bolt of the heat sink fully tightened? Tighten Bolt Remove foreign objects and Did check the foreign objects apply the heat sink grease. between the heat sink and IPM? And then reassembly Replace fan PCB 4-94 Samsung Electronics...

  • Page 191: Compressor Starting Error

    (U V,V W,W U) less than 2Ω? Is the resistance between the body of Compressor and Replace Compressor. chassis Open? Does the Compressor connection wire properly connect to Repair / Replace the wire. the Inverter PBA? Continue. Samsung Electronics 4-95...
  • Page 192 Before change / After change Error, depending on the situation replace the Compressor or PCB Before change After change Measure Replace E464 E464 No.1Inverter PCB Replace E464 E364 No.1 Compressor Replace E364 E364 No.2 Inverter PCB Replace E364 E464 No.2 Compressor 4-96 Samsung Electronics...
  • Page 193 Replace Hot Gas Bypass Valve Is the resistance value between different Replace compressor phases of compressor (U-V, V-W, W-U) less than 2Ω? Does the compressor connection wire properly Check the connection wire connect to the compressor? Continue Samsung Electronics 4-97...

  • Page 194: Comp Overcurrent Error

    (U-V, V-W, W-U) less than 2Ω? Is the resistance between the body of Compressor and Replace Compressor chassis MΩ? Does the Compressor Check the connection wire connection wire properly connect (Check the status of the to the compressor? connection UVW) Continue. 4-98 Samsung Electronics...
  • Page 195 Before change / After change Error, depending on the situation replace the Compressor or PCB Before change After change Measure Replace E464 E464 No.1Inverter PCB Replace E464 E364 No.1 Compressor Replace E364 E364 No.2 Inverter PCB Replace E364 E464 No.2 Compressor Samsung Electronics 4-99...
  • Page 196 COMP 1 9times (KD__) 8times (KD__) COMP 2 10times (KE__) 9times (KE__) MOTOR 1 11times (KF__) MOTOR 2 12times (KG__) Power Off ( Use to inverter checker ) PBA Defective Replace Compressor/Fan motor Replace Inverter PCB /Fan PCB 4-100 Samsung Electronics...
  • Page 197 N-IGBT reasons such as the initial measurement condenser discharge. P-IGBT Measured over at least three times. P-IGBT P-IGBT Measure the diode 0.3~0.7V voltage values N-IGBT N-IGBT N-IGBT < Table 1 > Inverter PCB < Figure 1 > Samsung Electronics 4-101...
  • Page 198 Is the resistance value between different Replace compressor phases of compressor (U-V, V-W, W-U) less than 2Ω? Does the compressor connection wire properly Check the connection wire connect to the compressor? (Check the status of the connection UVW) Continue 4-102 Samsung Electronics...

  • Page 199: Overvoltage / Low Voltage Error

    Power Off and then Is Inverter PCB R,S,T Wire and EMI PCB CN21 re-connection connector accurately connected? Replace Inverter PCB Standard AC Voltage(Vac) Standard DC Voltage(Vdc) Type of Power Source AC Input Voltage Min. Max. Min. Max. 208~230V 460V Samsung Electronics 4-103...
  • Page 200 220V is the voltage between terminal blocks L and N wire? then restart it Did EMI PCB fuse become short circuit? Replace inverter PCB and then restart it Replace fuse, if the rectifier diode of the inverter PCB is normal. 4-104 Samsung Electronics...

  • Page 201: Dc Link Voltage Sensor Error

    E496 Power Off DC power wire (Inv. PCB) Check the connector Check the status of DC LINK Connector connection Replace FAN PCB DC power wire (Fan PCB) E469 E369 Replace No1 INVERTER PCB Replace No2 INVERTER PCB Samsung Electronics 4-105...
  • Page 202 Power cable re-connection Is reactor accurately connected? Check the reactor connection Did fuse become short circuit? Replace fuse Is EMI PCB and inverter PCB accurately connected? Power off and then re-connection Replace inverter PCB The case of E396, E498 4-106 Samsung Electronics...

  • Page 203: Fan Motor Overcurrent Error

    Replace Outdoor Fan Motor Fan Motor and chassis MΩ? Is the Fan Motor wire properly Reconnect wires(Housing – Connector) connected to FAN PCB? Replace Fan PCB Fan PCB wire connection [FAN PCB] FAN Motor Connector Hall-sensor Connector Hall-sensor Connector Samsung Electronics 4-107...
  • Page 204 ∙ Occurs when overcurrent flows in the IPM. Judgment Method ∙ Detected by H/W or S/W Cause of problem ∙ Defective FAN Motor 1. How to check Power Off E489 E389 Replace No1 Fan motor Replace No2 Fan motor 4-108 Samsung Electronics...

  • Page 205: Input / Output Current Sensor Error

    Cause of problem ∙ PCB voltage sensing circuit defective 1. How to check Power Off Is Power connection accurately connected? Power Cable re-connection E485 or E385? E493 or E393? E468 or E368? Replace Inverter PCB Replace Fan PCB Samsung Electronics 4-109...
  • Page 206 ∙ Sensor Output detection : Judged as an error if the detected value is more than 2.8V or 0.2V less than ∙ Defective Input voltage Cause of problem ∙ Defective PCB voltage sensing circuit 1. How to check Power off Is power connection accurately connected? Power cable re-connection E485 or E385? E468 or E368? Replace inverter PCB 4-110 Samsung Electronics...

  • Page 207: Outdoor Fan Pcb Overvoltage / Low Voltage Error

    DC LINK connector disconnect from FAN PCB [Refer to Standard DC Voltage] (If the voltage is out of Std. range) Check the status of DC LINK Connector Replace connected wire Replace FAN PCB DC power wire (Inv. PCB) DC power wire (Fan PCB) Samsung Electronics 4-111...

  • Page 208: Hall Ic(Fan) Error

    (Verify that the wire folded, or the connection is detached.) HALL IC on the PCB is connected correctly? Check the connecting wire and restart it. Replace Fan PCB Restart When the error is repeated, replace the Fan Motor. 4-112 Samsung Electronics...

  • Page 209: Inverter Overheat Error

    IPM? sink grease. And then reassembly Apply the heat sink grease and then Did properly apply the heat sink grease? (Between the heat sink and the IPM) reassembly. Grease Service Code : DB81-02483A Good No Good Complete Samsung Electronics 4-113...
  • Page 210 Did check the foreign objects between the heat grease. And then reassembly. sink and IPM? Did properly apply the heat sink grease? Apply the heat sink grease and then reassembly. (Between the heat sink and the IPM) Good No Good Complete 4-114 Samsung Electronics...

  • Page 211: Option Setting Error Of Outdoor Unit

    Compressor Cut off Option Setting, E560. Is the outdoor unit EEPROM accurately Connect outdoor unit EEPROM and then reset. connected to connector? Download relevant model EEPROM and then reset. ※ Execute automatic commissioning for UP cancellation after EEPROM download. Samsung Electronics 4-115...

  • Page 212: Model Mismatching Of Indoor Unit

    Power On Does connected Replace the indoor unit that is indoor unit become compatible with compatible with the DVM INV. DVM INV? Is software version of Software upgrade indoor unit since July, 2011? Replace indoor unit PCB 4-116 Samsung Electronics...

  • Page 213: Error Due To Using Single Type Outdoor Unit In A Module Installation

    Is the outdoor unit by module installed? Download relevant model EEPROM and Outdoor unit single type exclusive use then reset. model (non-modular model), can not be Execute automatic commissioning module installation. for UP cancellation after EEPROM (single type only installation) download. Samsung Electronics 4-117...

  • Page 214: Pcb Diagram And Parts List

    All manuals and user guides at all-guides.com 5. PCB Diagram and Parts List 5-1 ASS'Y PCB MAIN 12 13 Samsung Electronics...
  • Page 215 #4 : 12V #4 : AGND #5 : GND CN33-INDOOR COMM ⑬ CN34- UNUSED COMM ⑭ ⑮ CN13-5V POWER (EXTRA) #1 : COM-E #1 : COM-A #1 : COM-A #2 : COM-F #2 : COM-B #2 : COM-B Samsung Electronics...
  • Page 216 All manuals and user guides at all-guides.com ASS'Y PCB MAIN (cont.) INV COMM Download HUB PBA Comm. DRED External Con COMM PBA Comm.(Outdoor) COMM PBA Comm.(Indoor) COMM PBA Comm.(SOL-COM) IN-COM Pump Down Gas Leak Option Switch Error/Comp EEPROM Samsung Electronics...
  • Page 217 All manuals and user guides at all-guides.com ASS'Y PCB MAIN (cont.) - AM038/048/055KXWD 14 15 25 16 23 22 Samsung Electronics...
  • Page 218 CN401-HIGH PRESSURE SENSOR #2: INPUT #1: INPUT #3: GND #3: GND #4: VCC #4: VCC CN401-MEDIUM PRESSURE CN303-INDOOR/OUTDOOR ㉑ ㉒ CN302-SUB PBA COMM ㉓ ㉔ CN103-EARTH SENSOR COMM #1: INPUT #2: GND #4: VCC ㉕ CN301-WATER HUB COMM Samsung Electronics...

  • Page 219: Ass'y Pcb Main-Hub

    All manuals and user guides at all-guides.com 5-2 ASS'Y PCB MAIN-HUB Samsung Electronics...
  • Page 220 #2 : INV_SMPS_RELAY #3 : GND #4 : VCC #3 : COMM OUT #3 : COMM-MAIN #4 : VCC #4 : GND #4 : GND #5 : HIGH-PRESSURE-SENSOR #6 : LOW-PRESSURE-SENSOR #7 : ZERO-CROSSING #8 : GND #9 : VCC Samsung Electronics...
  • Page 221 All manuals and user guides at all-guides.com PCB Diagram and Parts List ASS'Y PCB MAIN-HUB (cont.) Samsung Electronics...
  • Page 222 CN701 EVI VALVE 1,2 #1 : 4-WAY VALVE #1 : AC LIVE #1: EVI VALVE 1 #2 : 4-WAY VALVE #2 : AC NEUTRAL #3: EVI VALVE 2 #7: EVI VALVE 1 #8: EVI VALVE 2 #9: AC NEUTRAL Samsung Electronics...

  • Page 223: Assy Pcb Inverter

    All manuals and user guides at all-guides.com 5-3 ASSY PCB INVERTER 5-10 Samsung Electronics...
  • Page 224 #1 : 500V #2 : IN-SMPS-RELAY #2 : REACTOR #2 : GND #2 : GND(500V) #3 : COMM-IN #3 : 5V-FAN #4 : GND-MAIN #4 : AD-SELECT ⑨ CN13 - ACPOWER #1 : AC #2 : #3 : AC Samsung Electronics 5-11...
  • Page 225 All manuals and user guides at all-guides.com ASS’Y PCB INVERTER (cont.) 5-12 Samsung Electronics...
  • Page 226 CN13-AC POWER ⑪ R-INPUT R TOP ⑫ S-INPUT S TOP #1 : AC #1: AC LIVE #1: R-IN #1: S-IN #2 : #2: AC NEUTRAL #3 : AC #3: AC NEUTRAL ⑬ T-INPUT T TOP #1: T-IN Samsung Electronics 5-13...

  • Page 227: Out Door Unit Pcb

    #3 : GND #4 : DV15V #3 : GND #4 : DV15V CN402 : COMP V-phase(BLU) #2 : N phase/SKY #5 : FAN RPM#6 : FAN RPM FEEDBACK #5 : FAN RPM #6 : FAN RPM FEEDBACK CN403 : COMP W-phase(YEL) 5-14 Samsung Electronics...
  • Page 228 #3 : GND #4 : DV15V #3 : GND #4 : DV15V #2 : COMP V-phase(BLU) #2 : N phase/SKY #5 : FAN RPM #6 : FAN RPM FEEDBACK #5 : FAN RPM #6 : FAN RPM FEEDBACK #3 : COMP W-phase(YEL) Samsung Electronics 5-15...

  • Page 229: Ass'y Pcb Fan

    All manuals and user guides at all-guides.com 5-5 ASS’Y PCB FAN - Model : 1-FAN chassis 5-16 Samsung Electronics...
  • Page 230 #8 : COMM-INV #7 : GND #7 : TMS #9 : GND-INV #9 : GND #10 : 5V ⑤ U1-V1-W1 ⑥ CN401-POWER #1 : FAN1-U #1 : DC 540V #2 : FAN1-V #2 : GND #3 : FAN1-W Samsung Electronics 5-17...
  • Page 231 All manuals and user guides at all-guides.com ASS’Y PCB FAN (cont.) - Model : 2-FAN chassis 5-18 Samsung Electronics...
  • Page 232 #4 : TDO #5 : HALL-W #5 : TCK #6 : MOTOR-TEMP #6 : TDI #7 : GND #7 : TMS #9 : GND #10 : 5V ⑨ U2-V2-W2 #1 : FAN2-U #2 : FAN2-V #3 : FAN2-W Samsung Electronics 5-19...

  • Page 233: Ass'y Pcb Emi

    CN01,02,03-R,S,T INPUT ② CN04,05,06-R,S,T OUTPUT ③ CN22-HUB 220V ④ CN23-INVERTER 220V CN01: T-IN CN04: R-OUT #1: LIVE #1: LIVE CN02: S-IN CN05: S-OUT #2: NEUTRAL #2: NEUTRAL CN03: R-IN CN06: T-OUT #3: NEUTRAL ⑤ CN10-EARTH #1: EARTH 5-20 Samsung Electronics...

  • Page 234: Outdoor Unit Pcb

    All manuals and user guides at all-guides.com 5-7 OUTDOOR UNIT PCB EMI PBA : Single-Phase AM038/048/055KXWD ① ②  ③ L1-AC POWER L phase N1-AC POWER N phase CN01-AC POWER L1 : BRN N1 : SKY-BLU #1-#3 : AC 220~240V Samsung Electronics 5-21...

  • Page 235: Sub-Comm

    CN36 ③ CN#44 ④ CN45 ⑤ CN55 #1 :F1 #1 : F1 #1 : OF1 #1 : R1 #2 :F2 #2 : F2 #2 : OF2 #2 : R2 #3 :OF1 #4 :OF2 #5 :R1 #6 :R2 5-22 Samsung Electronics...

  • Page 236: Assy Pcb Water-Hub

    #1 : 12V #1: TEMP. INPUT #1: DC 12V OUTPUT #2: INV SMPS RELAY #2: INV SMPS RELAY #2: GND #2: FEEDBACK #3 : COMM SIGNAL #3 : COMM SIGNAL #3: GND #4 : GND #4 : GND Samsung Electronics 5-23...
  • Page 237 All manuals and user guides at all-guides.com Wiring Diagram 6. Wiring Diagram 6-1 AM072/096/120/144FXVA This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
  • Page 238 All manuals and user guides at all-guides.com Wiring Diagram Wiring Diagram 6-2 AM072/096/120/192HXWA This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
  • Page 239 All manuals and user guides at all-guides.com Wiring Diagram Wiring Diagram 6-3 AM168/192HXVAJ A This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
  • Page 240 All manuals and user guides at all-guides.com Wiring Diagram Wiring Diagram 6-4 AM168/192HXVAF This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
  • Page 241 All manuals and user guides at all-guides.com Wiring Diagram Wiring Diagram 6-5 AM072/097KXVAJ This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics 6-10...
  • Page 242 All manuals and user guides at all-guides.com Wiring Diagram Wiring Diagram 6-6 AM072KXVAF This Document can not be used without Samsung’s authorization. 6-11 Samsung Electronics Samsung Electronics 6-12...
  • Page 243 All manuals and user guides at all-guides.com Wiring Diagram Wiring Diagram 6-7 AM096KXVAF This Document can not be used without Samsung’s authorization. 6-13 Samsung Electronics Samsung Electronics 6-14...
  • Page 244 All manuals and user guides at all-guides.com Wiring Diagram Wiring Diagram 6-8 AM216KXVGJ 6-15 Samsung Electronics Samsung Electronics 6-16...
  • Page 245 All manuals and user guides at all-guides.com Wiring Diagram 6-9 AM038/048/055KXWD This Document can not be used without Samsung’s authorization. 6-17 Samsung Electronics...

  • Page 246: Cycle Diagram

    Cond. Out Temperature Sensor T_EI EVI In Temperature Sensor T_EO EVI Out Temperature Sensor Liquid Pipe Temperature Sensor SV_L T_CT Comp. Top Temperature Sensor V_AR Ambient Temperature Sensor V_ES SV_G Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
  • Page 247 Cond. Out Temperature Sensor T_EI EVI In Temperature Sensor T_EO EVI Out Temperature Sensor Liquid Pipe Temperature Sensor SV_L V_AR T_CT Comp. Top Temperature Sensor V_ES Ambient Temperature Sensor SV_G Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
  • Page 248 Cond. Out Temperature Sensor T_EI EVI In Temperature Sensor T_EO EVI Out Temperature Sensor Liquid Pipe Temperature Sensor SV_L T_CT Comp. Top Temperature Sensor V_ES V_ES V_AR Ambient Temperature Sensor SV_G Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
  • Page 249 CV5-1, CV5-2 LIQUID TUBE CHECK V/V CV5-2 T1-1, T1-2 COMP TOP SENSOR T2-1, T2-2 DISC. SENSOR SUC. SENSOR 2 SUC. SENSOR 1 CV5-1 WATER SENSOR COND OUT SENSOR V4-1 V4-2 LIQUID TUBE SENSOR SC IN SENSOR SC OUT SENSOR Samsung Electronics...

  • Page 250: Cooling Operation (H/R)

    All manuals and user guides at all-guides.com 7-9 Cooling operation (H/R)

  • Page 251: Main Cooling Operation (H/R)

    All manuals and user guides at all-guides.com 7-10 Main cooling operation (H/R)

  • Page 252: Heating Operation (H/R)

    All manuals and user guides at all-guides.com 7-11 Heating operation (H/R)

  • Page 253: Main Heating Operation (H/R)

    All manuals and user guides at all-guides.com 7-12 Main heating operation (H/R)

  • Page 254: Cooling Operation (H/P)

    All manuals and user guides at all-guides.com 7-13 Cooling operation (H/P)

  • Page 255: Heating Operation (H/P)

    All manuals and user guides at all-guides.com 7-14 Heating operation (H/P) 7-10...
  • Page 256 All manuals and user guides at all-guides.com 7-15 Cooling operation(H/R) AM080/100/120/200FXWA 7-11...
  • Page 257 All manuals and user guides at all-guides.com 7-16 Main cooling operation(H/R) AM080/100/120/200FXWA 7-12...
  • Page 258 All manuals and user guides at all-guides.com 7-17 Heating operation(H/R) AM080/100/120/200FXWA 7-13...
  • Page 259 All manuals and user guides at all-guides.com 7-18 Main heating operation(H/R) AM080/100/120/200FXWA 7-14...
  • Page 260 Ｈｏｔ　ｇａｓ Ｓｅｎｓｏｒ Ｆｉｌｔｅｒ Ｃｈａｒｇｉｎｇ Ｗａｔｅｒ　Ｉｎ Ｖ／Ｖ Ｆｉｌｔｅｒ Ｔｃｏｕｔ Ｔｄｉｓ ＥＥＶ　（Φ１．３ ） Ｆｉｌｔｅｒ Ｔｏｐ Ｈｏｔ　ｇａｓ ｂｙｐａｓｓ ＥＥＶ Ｖ／Ｖ　 Ａｃｃｕｍｕｌａｔｏｒ （ＤＰＦ（Ｏ ） （３，０００ｃｃ） ６．４Ｃ） ４．７６　　Ｌ２４０ ４．７６　　Ｌ２４０ ＵＧ５Ｔ４５０ＦＵＥＪＸＳＧ Ｐｉｐｅ ３／４＂ Ｆｉｌｔｅｒ Ｐｉｐｅ ３／８＂ Ｔｓｃ ３／４” Ｐｉｐｅ　Ｓｉｚｅ １／４　” ３／８” １／２” ５／８” Samsung Electronics 7-15...

  • Page 261: Cycle Component Function Explanation

    25. Control box temp. Sensor : Control box internal temperature measurement, thermal protection used for the control. 26. Receiver : Storing the refrigerant piping system, a stable liquid refrigerant supply. 27. Liquid Tube Valve : Refrigerant in the outdoor unit side, the indoor unit during heating operation to rotate the valve operation. 7-16 Samsung Electronics...

  • Page 262: Key Options

    Outdoor unit address: No 4 Sub unit 3 Setting can be done from Main unit only. SW57 Setting total number of connected MCU Ex) When 3 MCUs are installed → SW57: 3, When 10 MCUs are installed → SW57: A Samsung Electronics...
  • Page 263 Minimum temperature of entering water -5 °C must be below -8 °C) Anti-freeze circulation (freezing point of anti-freeze Minimum temperature of entering water -10 °C must be below -15 °C) ※ Maintain appropriate concentration level of anti-freeze according to SW58 switch setting. Samsung Electronics...
  • Page 264 64 : 10's Digit 6 times + 1's Step 2 Digit 4 times Press K4 n times 1's Digit (0~9) Press the 2 seconds K4 : number of indoor units automatically senses. Step 3 Press the 2 seconds K2, after save is ended (system reset) Samsung Electronics...

  • Page 265: How To Set The Key Function Of The Outdoor Unit

    - K4 switch is pressed for a long time, all options settings return to the factory settings, but the settings are saved is not. K2 switch is pressed for a long time, 7-Segment enters the tracking mode and the settings will be saved. Samsung Electronics...

  • Page 266: Setting The Option

    -- If you press and hold the K4 button, setting will be restored to factory default but it doesn't mean that restored setting is saved. Press and hold the K2 button. When the segments shows that tracking mode is in progress, setting will be saved. Samsung Electronics...
  • Page 267 K4 x n times Ones digit (0 ~ 9) * K4: Press for 2 seconds - automatic detection of MCUs' quantity K2: long Step9 Save Restart * Press K1 for 2 seconds to exit without save regardless of setting step. Samsung Electronics...
  • Page 268 When outdoor unit is located over condition setting (indoor unit is lower than 80m above the indoor unit outdoor unit) Height difference type 2 When indoor unit is over 30m (Outdoor unit is lower than above the outdoor unit outdoor unit) Samsung Electronics...
  • Page 269 0~15 Manual setting for channel 0~15 Manual setting for channel 0~15 0~15 controller (DMS, S-NET 3, etc.) Enabled (Factory default) During snow accumulation Snow accumulation Main prevention, the fan may spin even prevention control Disabled when the unit is not in operation Samsung Electronics...
  • Page 270 Setting high-head Reverse height difference type When outdoor unit is located over 80m Main condition level 2 above the indoor unit When indoor unit is over 30m above Net height difference type the outdoor unit Samsung Electronics...
  • Page 271 Heating maximum capac- Main Heating maximum capacity limit ity limit Disable (Factory default) Disable (Factory default) Unused option Main Gas leak refrigerant recovery Enabled Water Antifreeze 1 Setting circulating fluid Individual Setting circulating fluid Antifreeze 2 Water 8-10 Samsung Electronics...
  • Page 272 When outdoor unit is over 80 m type 1 (Indoor unit is lower than outdoor above the indoor unit unit) Height difference type 2 When indoor unit is over 30 m (Outdoor unit is lower than indoor unit) above the outdoor unit Samsung Electronics 8-11...
  • Page 273 Manual setting for channel 0~15 Disable This function is not applicable for Disable Main Disable this model Disable (Factory default) 7-10 V Circulation water Individual When variable flow control valve is flow control 5-10 V applied 3-10 V 8-12 Samsung Electronics...

  • Page 274: How To Check The View Mode Using A Tact Switch

    All manuals and user guides at all-guides.com 8-3 How to check the view mode using a tact switch ７－ＳＥＧＭＥＮＴ （ＤＩＳＰＬＡＹ） < A type > < B type > Samsung Electronics 8-13...
  • Page 275 TIMES AUTO Indoor unit : "A","0" automatic address automatic address Adress(ex. 07) MCU : "C","1" SEG1,2 SEG3,4 The device receives The device receives TIMES MANU a manual address a manual address Indoor unit : "A","0" Adress(ex. 15) 8-14 Samsung Electronics...
  • Page 276 Display method of automatically assigned address in K4 View mode. (EX : "MANU"→ "A004" →"MANU" →"A005" →"MANU" →"A006") Display Page 1 Page 2 SEG 1 SEG 2 SEC 3,4 MANU Indoor unit : "A" Indoor unit : "0" Address (No. 1→01) Samsung Electronics 8-15...
  • Page 277 AUTO Indoor unit : “A”, ” 0” Adress Automatic address ( ex) 07) MCU : “C”, ” 1” Receiving device MANU SEG3, 4 6 times Adress Manual address Indoor unit : “A”, ” 0” ( ex) 15) 8-16 Samsung Electronics...

  • Page 278: Test Operation

    - Check the Indoor and Outdoor abnormal noise. - Check the drainage of the Indoor Unit cooling operation. - More operation : Checking status by using the S-NET. (5) Refer to manual and explain air conditioner usage to user. Samsung Electronics...
  • Page 279 - Oblique line marked area in the during operation of the system can be protection control. (Auto Trial Operation of normal judgment can be difficult by the protection control operation.) - If out of warranty coverage and the boundary area : Auto Trial Operation judgment accuracy may be reduced. Samsung Electronics...

  • Page 280: Auto Trial Operation Functions

    Must be carried out Auto Trial Operation after 1 hour from final operation stopped. (In this case, the vacuum mode of the air must maintain for more than 5 minutes.) - Restart of Auto Trial Operation after troubleshoot the item that "Undetermined" Samsung Electronics...
  • Page 281 - If the Indoor temperature setting by wired remote control : Carried out the Auto Trial Operation after setting the Temperature sensor of Indoor Unit. - Indoor Unit of outdoor air introduction : Will be excluded from the Indoor air temperature, EVA In / Out Temperature sensor checking. Samsung Electronics...
  • Page 282 Outdoor Unit Temperature sensors, less than 10℃? Complete [Caution] - If the Outdoor Unit with a history of operation (Auto Trial Operation inclusion) : Must be carried out Auto Trial Operation after 1 hour from final operation stopped. Samsung Electronics...
  • Page 283 Off the vacuum mode (All of the Outdoor Unit) Complete [Caution] - If the judgment of Pressure sensor "Undetermined" : Display the error to all of the Outdoor Unit and then Auto Trial Operation is exited. (Stop the overall system) Samsung Electronics...
  • Page 284 /Min deviation : less than 2" Off the vacuum mode of Outdoor Unit Complete [Caution] - If the Outdoor Unit with a history of operation (Auto Trial Operation inclusion) : Maintain the vacuum mode for more than 5 minutes. Samsung Electronics...
  • Page 285 1) When closed Main EEV opening : Compressor suction degree of overheat impossible to ensure and less than DSH 20K. 2) When opened Main EEV opening : Compressor suction degree of overheat is high status. 3) Main EEV : Refer to the Service Manual. - Pressure sensor abnormal symptoms : Refer to the Service Manual. Samsung Electronics...
  • Page 286 CT Replace Inverter PCB sensor have the same value? Is refrigerant Is Compressor current(CT) value normal? in the system properly? Adjusts the refrigerant (Addition / Emitted) IIs operation current of Compressor normal? Replace Compressor Complete Samsung Electronics...
  • Page 287 Temperature(℃) When Auto Trial Operation, does maintain Thermo On status of Indoor ventilation Indoor Unit? 11.2 18.5 32.0 59.0 200.0 Adjusts the refrigerant Is refrigerant in the system properly? 242.0 (Addition / Emitted) 362.0 553.0 Complete 9-10 Samsung Electronics...
  • Page 288 Is 4Way Valve coil normal? Replace Valve coil (Wire breaking, operation impossible, etc.) Is PCB Output signal normal? Replace PCB Replace 4Way Valve Body (Retry the Auto Trial Operation : If the continuous "Undetermined" is displayed.) Complete Samsung Electronics 9-11...
  • Page 289 Replace Coil etc.) Is PCB Output signal normal? Replace Hub PCB Replace Main EEV Complete ※ Main EEV coil resistance value based (Measured temperature is 20°C) Operating Resistance of Voltage between the EEV Wiring Diagram (VDC) phase (Ω) 9-12 Samsung Electronics...

  • Page 290: Auto Trial Operation Error Code

    Service Valve is closed Refer to "Service Valve" Dedicated Error Code E505 High pressure sensor breakdown Refer to "High / Low pressure sensor E506 Low pressure sensor breakdown (Module installed)" Other error codes : Refer to Service Manual. Samsung Electronics 9-13...

  • Page 291: Amount Of Refrigerant Automatically Checking

    Deficiency of Over-cooling : After the 10% addition of calculated total refrigerant amount, retry Checking the amount of refrigerant. Undetermined : Checking the amount of refrigerant confirms that is performed in warranty temperatures area. Ensure that there is no other problems in the system by Test Operation. 9-14 Samsung Electronics...

  • Page 292: Reference Sheet

    N(380V~415V, 50/60Hz, 3 Ф) DVM MONO (OUTDOOR) DVM WATER (OUTDOOR) DVM GEO(GEOTHERMAL) (OUTDOOR) DVM PLUS3 (OUTDOOR) DVM PLUS2 (OUTDOOR) Mode COOLING ONLY HEAT PUMP HEAT RECOVERY Product Notation STANDARD GENERAL Temp.+MODULE STANDARD GENERAL Temp.+NONE MODULE HIGH GENERAL Temp.+NONE MODULE STANDARD Samsung Electronics 10-1...
  • Page 293 China china.samsungportal.com © Samsung Electronics Co., Ltd. January. 2017. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in Korea. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. AC-00076E_6...

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