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Samsung AM072FXVAFH series, Service Manual


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Summary of Contents for AM072FXVAFH series

Page 1: ...ng Diagram 7 Cycle Diagram 8 Key Options 9 TestOperation 10 Reference Sheet OUTDOORUNIT AM072 096 120 144FXVAFH6 AM072 096 120 144FXVAFR6 AM072 096 120 144FXVAJH6 AM072 096 120 144FXVAJR6 AM072 096 12...

Page 2: ...5 EEV KIT 3 69 4 Troubleshooting 4 1 4 1 Check up Window Description 4 1 4 2 PCB Description 4 2 4 3 Service Operation 4 3 4 3 1 Special Operation 4 2 4 3 2 DVM S Models EEPROM Code Table 4 13 4 3 3...

Page 3: ...of starting due to Compressor discharge temperature sensor Top temperature sensor 4 77 4 3 34 3 phase Input Wiring error 4 79 4 3 35 E428 Suspension of starting by abnormal compression ratio 4 80 4 3...

Page 4: ...g operation H R 7 5 7 10 Main cooling operation H R 7 6 7 11 Heating operation H R 7 7 7 12 Main heating operation H R 7 8 7 13 Cooling operation H P 7 9 7 14 Heating operation H P 7 10 7 15 Cooling o...

Page 5: ...tic electricity Please wear insulation gloves before performing PCB repair and measurement O Check if the place of installation is at least 2m away from electronic appliances such as TV video players...

Page 6: ...danger to workers O Please remove the oxide produced inside the pipe during the welding with nitrogen gas Using another gas may cause harm to the product or others 1 6 Precautions for Additional Supp...

Page 7: ...r 14 160Hz driving 3 generation Vapor Injection Performance maximization of low temperature heating DSI System High Pressure Refrigerant Outlet Medium Pressure Refrigerant Injection Low Pressure Refri...

Page 8: ...hod When natural convection electric heat performance is low and is high load efficiency is fallen Refrigerant cooling system Forced circulation electric heat performance is high and control of therma...

Page 9: ...Double Layer Structure Inverter technology integration Inverter control circuit composition C Box volume maximum use Built in type Controller embodiment Integrated power supply control unit Piping se...

Page 10: ...Hub PCB newly application Separation for load control Enhanced fixing of load sensor wire FAN PCB Use controller of 3 phase power Prevented phase unbalance Temperature protection of IPM Inverter PCB C...

Page 11: ...ing of load sensor wire FAN PCB Use controller of 3 phase power Prevented phase unbalance Temperature protection of IPM Inverter PCB Compressor Control PCB Inverter PCB newly application Capacitor siz...

Page 12: ...ntrol Optionresistancedeletebymodel standardization WhenreplacethePCB mustdownloadoption Enhancedfixingofload controlwire InverterPCB CompressorcontrolPCB Compressorcontrol InverterPCB 3 4HP PF 4 5 6H...

Page 13: ...replace need option download Hub PCB Hub PCB newly application Separation for load control Enhanced fixing of load sensor wire Inverter PCB Compressor Control PCB Applied inverter Compressor Refrigera...

Page 14: ...s current due to high capacity compressor Increases capacitor s capacity Applies EMI coil on board Deletes core in wire EMI PCB Develops 50A EMI PBA Increases coil size and fuse capacity Improves EMI...

Page 15: ...ling for cooling of inverter PCB Unapplied COOLING OF INVERTER CIRCUIT REFRIGERANT COOLING SYSTEM IT IS COOLING TECHNOLOGY OF INVERTER CIRCUIT THAT USE REFRIGERATING CYCLE TECHNOLOGY COOLING OF INVERT...

Page 16: ...nics 2 1 3 Structure of product AM072FXVAF6 AM072FXVAJ6 AM096FXVAF6 AM120FXVAF6 AM144FXVAF6 AM168HXVAF6 AM192HXVAF6 AM072KXVAF6 AM096KXVAF6 AM096FXVAJ6 AM120FXVAJ6 AM144FXVAJ6 AM168HXVAJ6 AM192HXVAJ6...

Page 17: ...Product Specifications Samsung Electronics 2 11 Heat Exchanger Compressor CONTROL BOX 4 WAY V V Subcooler Gas Pipe Liquid Pipe AM216KXVGJ6...

Page 18: ...2 12 Samsung Electronics ACCUMULATOR 4WAY V V SUBCOOLER EEV Liquid Pipe Gas Pipe Plate Heat Exchanger Compressor CONTROL BOX AM038 048 055KXWD6...

Page 19: ...d Pipe High pressure Gas Pipe Low pressure Gas Pipe 4 WAY V V Receiver Plate Heat Exchanger Accumulator Sub Cooler Compressor Oil separator Liquid Pipe 4 WAY V V Accumulator CONTROL BOX Oil separator...

Page 20: ...h pressure Gas Pipe Low pressure Gas Pipe 4 WAY V V Receiver Plate Heat Exchanger Accumulator Sub Cooler Compressor Oil separator TRANS BOX TRANS BOX Liquid Pipe 4 WAY V V Accumulator CONTROL BOX Oil...

Page 21: ...14 460 17 250 5 010 6 490 current consumption Nonducted AHRI Cooling A 14 6 18 2 24 9 33 7 40 05 47 37 12 1 16 2 Heating A 14 8 19 5 26 0 33 8 39 45 47 07 13 7 17 7 EER Nonducted AHRI Cooling Btu Wh...

Page 22: ...14 680 17 360 Heating W 5 430 7 130 9 520 12 400 14 460 17 250 current con sumption Nonducted AHRI Cooling A 14 6 18 2 24 9 33 7 40 05 47 37 Heating A 14 8 19 5 26 0 33 8 39 45 47 07 EER Nonducted AH...

Page 23: ...12 5 16 8 20 03 23 68 6 1 8 1 25 1 Heating A 7 4 9 7 13 0 16 9 19 73 23 53 6 8 8 9 22 4 EER Nonducted AHRI Cooling Btu Wh 12 9 13 9 12 4 11 2 11 4 11 1 15 5 15 5 11 2 Heating W W 4 15 4 23 3 97 3 64...

Page 24: ...29 31 35 35 CODE DB31 00298A DB94 03285B DB94 03285B DB94 03285B DB94 03285B DB94 03285B MAX RPM STEP RPM 800 1050 1050 1100 1200 1200 Quantity EA 1 2 2 2 2 2 Airflow CMM 205 260 260 270 310 310 Pipi...

Page 25: ...Head kPa ftAq 25 8 4 20 6 7 28 9 4 22 7 3 30 10 0 43 14 4 54 18 1 Water Flow Rate LPM GPM 40 10 5 50 13 2 60 15 8 80 21 1 96 25 4 114 30 1 190 50 2 Water Max Pressure Mpa Psi 1 96 285 1 96 285 1 96 2...

Page 26: ...frigerant Type R410A R410A R410A R410A Factory Charging kg lbs 5 5 12 1 5 8 12 8 6 13 2 9 8 21 6 Sound Sound Pressure dB A 48 48 50 51 Sound Power 70 70 70 73 External Dimension NetWeight kg lbs 167 3...

Page 27: ...Wandbelow MXJ YA3100M Over69 6kW 139 2kWandbelow MXJ YA3800M 139 2kWandbelow Distribution header MXJ HA2512M 46 4kWandbelow for4rooms MXJ HA3115M 69 6kWandbelow for8rooms MXJ HA3819M Over69 6kW for8ro...

Page 28: ...y O 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 Item Remark SCREW DR...

Page 29: ...ent Part 1 Remove 14 screws from the cabinet 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...

Page 30: ...4 2 screws had fixed in terminal block cover when change power terminal block com munication terminal block remove 5 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet fo...

Page 31: ...Procedure Remark 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 scr...

Page 32: ...sor Suction Sensor EVI Out Sensor INSULATION No Model Insu Code BindingWire AM072FXVA6H6 DB62 04154C AM072FXVA6H6 DB62 03808B AM072FXVA6H6 DB62 03808C VALVE SENSOR No Valve Sensor ExpansionValve EVI E...

Page 33: ...A6H6 VALVE SENSOR No Valve Sensor CompTop Sensor Discharge Sensor High Pressure Switch INSULATION No Model Insu Code BindingWire AM072FXVA6H6 DB62 03808D VALVE SENSOR No Valve Sensor Low Pressure Sens...

Page 34: ...2 Valve Liquid Sensor INSULATION No Model Insu Code BindingWire AM072FXVA6R6 DB62 03808E AM072FXVA6R6 DB62 04154B AM072FXVA6R6 DB62 03808C VALVE SENSOR No Valve Sensor 4WAYValve High Pressure Sensor S...

Page 35: ...LVE SENSOR No Valve Sensor CompTop Sensor Discharge Sensor High Pressure Switch INSULATION No Model Insu Code BindingWire AM072FXVA6R DB62 03808D VALVE SENSOR No Valve Sensor Low Pressure Sensor EVI E...

Page 36: ...sung Electronics 3 9 CompWire fix by HolderWire Fix CompWire Core to Bracket Beam Control Box using large size CableTie 350mm Separate double layer structure of C Box after remove 3 screws and connect...

Page 37: ...Discharge 1 2 Subcooler EVI Bypass 1 3 Comp Vapor Injection 1 3 Accum 4Way 1 4 Discharge Oil Sepa 1 4 Accum Accum OilVavle 1 5 4Way Oil Sepa Out 1 5 Accum EVI Bypass 1 6 Oil Return Suction 1 6 Vapor I...

Page 38: ...Discharge 1 2 Subcooler EVI Bypass 1 3 Comp Vapor Injection 1 3 Accum 4Way 1 4 Discharge Oil Sepa 1 4 Accum Accum OilVavle 1 5 4Way Oil Sepa Out 1 5 Accum EVI Bypass 1 6 4Way Cond In 1 6 Vapor Injecti...

Page 39: ...AM192HXVA66 096KXVA66 No Parts Procedure Remark 1 Electrical equipment Part 1 11 screws that is fixing CABINET remove Use Screw driver 2 Remove 4 screws that is fixing and separate Cover Control Box...

Page 40: ...4 2 screws had fixed in terminal block cover when change power terminal block com munication terminal block remove 5 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet fo...

Page 41: ...Procedure Remark 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 scr...

Page 42: ...4WAYValve High Pressure Sensor EVI BypassValve INSULATION No Model Insu Code BindingWire AM096FXVAJH6 AM120FXVAJH6 DB62 03808G VALVE SENSOR No Valve Sensor EVI SOLValve Low Pressure Sensor Hot GasVal...

Page 43: ...ssure Switch INSULATION No Model Insu Code BindingWire AM096FXVAJH6 AM120FXVAJH6 DB62 03808C AM096FXVAJH6 AM120FXVAJH6 DB62 03808D AM096FXVAJH6 AM120FXVAJH6 DB62 03808E VALVE SENSOR No Valve Sensor Co...

Page 44: ...ton 2 Sensor EVI Out Sensor Main Cooling Valve EVI Bypass Valve INSULATION No Model Insu Code BindingWire AM096FXVAJR6 AM120FXVAJR6 DB62 03808G AM096FXVAJR6 AM120FXVAJR6 DB62 04154C VALVE SENSOR No Va...

Page 45: ...NSULATION No Model Insu Code BindingWire AM096FXVAJR6 AM120FXVAJR6 DB62 03808C AM096FXVAJR6 AM120FXVAJR6 DB62 03808E AM096FXVAJR6 AM120FXVAJR6 DB62 04154B VALVE SENSOR No Valve Sensor CondOutSensor Ou...

Page 46: ...ectronics 3 19 CompWire fix by Holder Wire Fix CompWire Core to Bracket Beam Control Box using large size Cable Tie 350mm Binding Wire 3 AM096FXVAJ6 AM120FXVAJ6 Separate double layer structure of C Bo...

Page 47: ...2 Subcooler EVI Bypass 1 3 Comp Vapor Injection 1 3 Accum 4Way 1 4 Discharge Oil Sepa 1 4 Accum Suction 1 5 4Way Oil Sepa Out 1 5 Accum Accum OilValve 1 6 4Way Cond In 1 6 Accum EVI Bypass 1 7 Expans...

Page 48: ...y 1 3 Comp Vapor Injection 1 3 Accum Suction 1 4 Discharge Oil Sepa 1 4 Accum Accum OilValve 1 5 4Way Oil Sepa Out 1 5 Accum EVI Bypass 1 6 4Way Cond In 1 6 Vapor Injection EVI Bypass 1 7 Expansion Co...

Page 49: ...FXVA66 072KXVA66 No Parts Procedure Remark 1 Electrical equipment Part 1 11 screws that is fixing CABINET remove Use Screw driver 2 Remove 4 screws that is fixing and separate Cover Control Box Use Sc...

Page 50: ...4 2 screws had fixed in terminal block cover when change power terminal block com munication terminal block remove 5 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet fo...

Page 51: ...Procedure Remark 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 scr...

Page 52: ...3 25 No Parts Procedure Remark 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 P...

Page 53: ...SENSOR No Valve Sensor ExpansionValve EVI EEVValve Accum Oil ReturnValve High Pressure Switch 1 EVI Out Sensor EVI In Sensor INSULATION No Model Insu Code BindingWire AM096FXVAFH6 AM120FXVAFH6 AM144F...

Page 54: ...VE SENSOR No Valve Sensor CompTop 1 Sensor CompTop 1 Sensor Discharge 1 Sensor Discharge 2 Sensor High Pressure Switch 2 INSULATION No Model Insu Code BindingWire AM096FXVAFR6 AM120FXVAFR6 AM144FXVA6R...

Page 55: ...6 AM144FXVA6R AM168HXVA6R AM 192HXVA6R6 DB62 03808A AM096FXVAFR6 AM120FXVAFR6 AM144FXVA6R6 AM168HXVA6R6 AM192HXVA6R6 DB62 04154C VALVE SENSOR No Valve Sensor Main EEVValve OD EEVValve ARVValve EVI In...

Page 56: ...4154C VALVE SENSOR No Valve Sensor CompTop 1 Sensor CompTop 1 Sensor Discharge 1 Sensor Discharge 2 Sensor High Pressure Switch 2 INSULATION No Model Insu Code BindingWire AM096FXVAFR6 AM120FXVAFR6 AM...

Page 57: ...re to Bracket Beam Control Box using large size Cable Tie 350mm Separate double layer structure of C Box after remove 3 screws and connector Binding Wire 3 AM096FXVAF6 AM120FXVAF6 AM144FXVA66 AM168HXV...

Page 58: ...No Welding Position Q ty 1 Comp Suction 2 1 Cooling Subcooler In 1 2 Comp Discharge 2 2 Subcooler EVI Bypass 1 3 Comp Vapor Injection 2 3 Accum 4Way 1 4 Discharge Oil Sepa 2 4 Accum Suction 1 5 4Way O...

Page 59: ...Comp Suction 2 1 Cooling Subcooler In 2 2 Comp Discharge 2 2 Subcooler EVI Bypass 1 3 Comp Vapor Injection 2 3 Accum 4Way 1 4 Discharge Oil Sepa 2 4 Accum Suction 1 5 4Way Oil Sepa Out 1 5 Accum Accu...

Page 60: ...is fixing CABINET remove Use Screw driver 1 9 screw remove of CABINET 2 Press the position with both hands and push down A direction 3 Carefully remove the CABINET B direction 2 Remove 4 screws that...

Page 61: ...k 4 2 screws had fixed in terminal block cover when change power terminal block communication terminal block remove 5 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet fo...

Page 62: ...k 7 6 screws had fixed on side refrigerant cool ing part outside remove Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily It can be a cause of parts damage 8 2 screws had fixed...

Page 63: ...lectronics No Parts Procedure Remark 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 H...

Page 64: ...Sensor Discharge 2 Sensor INSULATION No Insu Code BindingWire DB62 03808F DB62 03808F VALVE SENSOR No Valve Sensor EVI SOLValve EVI BypassValve Hot GasValve High Pressure Sensor Low Pressure Sensor Su...

Page 65: ...cum Oil ReturnValve INSULATION No Insu Code BindingWire DB62 08752F VALVE SENSOR No Valve Sensor ExpansionValve Liquid Sensor EVI In Sensor EVI Out Sensor INSULATION No Insu Code BindingWire DB62 0875...

Page 66: ...sung Electronics 3 39 Separate double layer structure of C Box after remove 3 screws and connector Binding Wire 3 AM216KXVG6 Fix CompWire Core to Bracket Beam Control Box using large size Cable Tie 35...

Page 67: ...2 2 Subcooler Subcooler In 1 3 Comp Vapor Injection 2 3 Subcooler EVI Bypass 1 4 Discharge Oil Sepa 2 4 Acuum 4Way 1 5 4Way Oil Sepa Out 1 5 Acuum Suction 2 6 4Way Cond In 1 6 Accum Accum Oil Valve 1...

Page 68: ...pment Part 1 Removethe14screwswhichisfixedtothe CABINET Use Screwdriver 2 Removethe4screwswhichisfixedtothe CoverControlBoxandthenseparatethe CoverControlBox Use Screwdriver 3 DisconnectthePower Compr...

Page 69: ...n in the picture 5 Remove the 2 screws and then separate the reactor in the direction of arrow as shown in the picture 6 First separate the wires which is fixed to the holder as shown in the picture A...

Page 70: ...EEV Sub cooler OUTTemperature Sensor HOT GAS CHARGINGVALVE WaterTemperature Sensor 4WAYVALVE EVI EEV SuctionTemperature Sensor High Pressure Switch High Pressure Sensor Low Pressure Sensor INSULATION...

Page 71: ...g Electronics VALVE SENSOR No Valve Sensor HOT GAS BYPASSVALVE DischargeTemperature Sensor INSULATION No InsuCode BindingWire DB62 04154N DB62 03808C No Valve Sensor DCFANWIRE Binding Wire 2 AM038 048...

Page 72: ...Samsung Electronics 3 45 Comp wire andValve Sensors wire is passed through the Rubber Cover and then fix using aWire Holder Binding Wire 3 AM038 048 055KXWD66...

Page 73: ...Discharge 1 6 4Way Hot Gas Charging 1 2 Discharge Oil Separator 1 7 Hot Gas Charging Subcooler 1 3 Oil Separator Oil Sepa Out 1 8 Subcooler Cond 1 4 Oil Separator Hot Gas Bypass 2 9 Cond 4Way 1 5 Oil...

Page 74: ...Procedure Remark 1 Electrical equipment Part 1 9 screws that is fixing CABINET remove Use Screw driver 2 Remove 7 screws that is fixing and separate Cover Control Box Use Screw driver 3 Power Compress...

Page 75: ...ad fixed in terminal block cover when change power terminal block communication terminal block remove 5 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal blo...

Page 76: ...ark 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...

Page 77: ...Procedure Remark 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...

Page 78: ...SOLValve 4WAYValve High Pressure Sensor Suciton 1 Sensor Suciton 2 Sensor Main CoolingValve EVI BypassValve EVI SOLValve Main CoolingValve EVI BypassValve INSULATION No Model Insu Code Binding Wire A...

Page 79: ...WA66 VALVE SENSOR No Valve Sensor Liquid valve Liquid temp sensor COMPTOP sensor Discharge temp sensor INSULATION No Model Insu Code BindingWire AM072 096 120HXWA66 DB62 04154A AM072 096 120HXWA66 DB6...

Page 80: ...ung Electronics 3 53 Separate double layer structure of C Box after remove 3 screws and connector Binding Wire 3 AM072 096 120HXWA66 Comp wire valve sensor wires fix by Holder wire with cover bushing...

Page 81: ...ler Receiver 1 3 Comp Vapor Injection 1 13 Hot Gas Vavle 4way 1 4 Discharge Oil Sepa 1 14 Hot Gas Vavle Receiver 1 5 4Way Oil Sepa Out 1 15 Receiver Expansion 1 6 4Way Cond In 1 16 Cond Expansion 1 7...

Page 82: ...edure Remark 1 Electrical equipment Part 1 9 screws that is fixing CABINET remove Use Screw driver 2 Remove 6 screws that is fixing and separate Cover Control Box Use Screw driver 3 Power Compressor V...

Page 83: ...ad fixed in terminal block cover when change power terminal block communication terminal block remove 5 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for terminal blo...

Page 84: ...ark 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...

Page 85: ...h pressure sensor EVI valve SUCTION 2 temp sensor Subcooler inlet temp sensor Liquid temp sensor HOT GAS 2 valve Main EEV COND OUT temp sensor Bypass valve High pressure sensor INSULATION No Model Ins...

Page 86: ...HOT GAS 2 valve Main cooling valve COMPTOP sensor Discharge temp sensor Discharge temp sensor COMPTOP sensor 4WAYVALVE INSULATION No Model Insu Code BindingWire AM192HXWA66 DB62 03808A AM192HXWA66 DB...

Page 87: ...3 60 Samsung Electronics Comp wire valve sensor wires fix by Holder wire Binding Wire 3 AM192HXWA66 Separate double layer structure of C Box after remove 3 screws and connector...

Page 88: ...gas 1 4 Discharge Oil Sepa 2 16 Subcooler Tube Liquid 2 5 4Way Oil Sepa 1 17 Subcooler EVI Bypass 1 6 4Way Accum 1 18 EVI Bypass Vapor Injection 1 7 Accum EVI Bypass 1 19 Subcooler Tube Liquid 1 8 4W...

Page 89: ...function that use S Checker 6 Turn off the power linked by outdoor unit 7 Separate compressor that broke down from outdoor unit Confirm through manifold gauge whether refrigerant of outdoor unit was...

Page 90: ...ging refrigerant had registered to Label of outdoor unit 3 Can get help that decide an addition refrigerant quantity if use refrigerant quantity decision function that use S Checker 6 Turn off the pow...

Page 91: ...Add oil to outdoor unit as much as relevant weight if is heavy than weight of compressor that weight of compressor that is changed to locality is changed newly Quantity kg of added oil Weight kg of c...

Page 92: ...Reassembly Samsung Electronics 3 65 OIL SEPARATOR SVC CODE Weight information Fig DB96 16927A 3 54kg DB96 17888A DB96 17639A DB96 17640A 7 86kg 7 14kg except for bracket base DB96 20380A 16 21kg DB96...

Page 93: ...3 66 Samsung Electronics ACCUMULATOR SVC CODE Weight information Fig DB96 17091A 16 64kg DB96 16928A 22 08kg DB96 20395A 30 37kg DB96 21912A 32 33kg...

Page 94: ...ing rises Compressor 2 individual occasion oil separator capillary tubes each other cross Confirm that is blocked in stationary state through nitrogen pressurization availability Breakdown of Accum Oi...

Page 95: ...arate cabinet from MCU 2 Cabinet front 1 Separate 4 fixing screws from the cabinet Use Serew Driver 2 Separate 4 fixing screws from the brackets Use Serew Driver 3 Cabinet front 1 Separate front cabin...

Page 96: ...o Parts Procedure Remark 1 Cabinet front 1 Separate 1 fixing screw from EEV kit Use Serew Driver 2 Separate cabinet from EEV kit 2 Control parts 1 Separate 2 fixing screws from EEV kit Use Serew Drive...

Page 97: ...oad PC SMW200 10black 6 Setupthenumberofconnectedoutdoorunits 2 MICOM download AS PRO SMW200 07Pwhite 7 Forcheckingindoorunitcommunication YW396 02Pred 3 ERRORDISPLAY 8 Transmitter12V YW396 02Pblue 4...

Page 98: ...unction No Function 1 Display 4 EEPROMConnector B7P MQWHT 2 TactSwitch 5 Communicationconnec torbetweenindoorand outdoorunit 3 MICOMDownload YDW200 20BLK 6 Thecentralcontroller communication 4 1 2 6 5...

Page 99: ...de K 6 BLANK BLANK 3times PumpdownallunitsinCoolingmode K 7 BLANK BLANK 4times H R Checkingthepipeconnection H P Automaticsettingofoperationmode Cooling Heating fortrailoperation K 8 BLANK BLANK 5time...

Page 100: ...ion time Min 60 minutes Max 10 hours Etc Exceed the maximum operating time at stops and waits Protection and control self diagnosis is performed Refrigerant filling operation Operation to filling the...

Page 101: ...esponding Outdoor Unit operation To pump out more than 2 Except communication between Outdoor Unit of relevant set after working for one remainder set makes Pump Out add Cooling Pump Down Recover the...

Page 102: ...ing commissioning start Outdoor temperature is less than 59 Heating commissioning start Discharge Mode Operation Outdoor power is turned off the Inverter PCB and Fan PCB charging a high DC voltage so...

Page 103: ...commissioning pattern Defrost start Defrost start It is after 10 minutes which Safety Start finishes Defrost off General defrost operation conditions are the same as Etc Defrost shut down and stop th...

Page 104: ...operation Display on segment 1 time Refrigerant charging in Heating mode 2 times Trial operation in Heating mode 3 times Refrigerant discharging Outdoor unit address 1 4 times Vacuum Outdoor unit add...

Page 105: ...s Trial operation in Cooling mode K 6 BLANK BLANK 3 times Pump down all units in Cooling mode K 7 BLANK BLANK 4 times HR Pipe connection inspection H P Auto trial operation K 8 BLANK BLANK 5 times Che...

Page 106: ...n time Min 60 minutes Max 10 hours Etc Exceed the maximum operating time at stops and waits Protection and control self diagnosis is performed Refrigerant filling operation Operation to filling the re...

Page 107: ...than 2 Except communication between Outdoor Unit of relevant set after working for one remainder set makes Pump Out add Cooling Pump Down Recover the refrigerant of Indoor Unit and Piping to outdoor...

Page 108: ...discharge In particular E 464 E364 power devices may be damaged therefore do not use the discharge mode Natural discharge until Please wait for at least 15 minutes Block the Inverter PCB 3 phase rela...

Page 109: ...26B DB82 01452A 33 AM072KXVTF6 DB92 03526C DB82 03381A 14 AM096FXVAJR6 DB92 03526A DB82 01453A 34 AM096KXVTF6 DB92 03337B DB82 03382A 15 AM120FXVAJR6 DB92 03526A DB82 01454A 35 AM072KXVTJ6 DB92 03526A...

Page 110: ...getting ready to operate in cooling or heating and some of the indoor unit is trying to operate in heating or cooling mode E 162 EEPROM error of MICOM Physical problem of parts circuit E 163 Indoor u...

Page 111: ...a MCU port but the switch on the port is set to On E 217 hen indoor unit is connected to a MCU port but indoor unit is assigned to a MCU and the switch on the port is set to Off E 218 When there s at...

Page 112: ...limit error on Fan2 of compressor E 393 Output current sensor error of Fan2 E 396 DC voltage sensor error of Fan2 E 399 Heat sink temperature sensor error of Fan2 E 400 Error due to overheat caused by...

Page 113: ...e to overheat caused by contact failure on IPM of Inverter PBA1 E 503 Error due to alert the user to check if the service valve is closed E 504 Error due to self diagnosis of compressor operation E 50...

Page 114: ...e defect of the product 1 Tracking is complete and after the initial installation if you do not have a history of AutoTrial Operation is completed UP will be displayed 2 Execute the AutoTrial Operatio...

Page 115: ...nal without normal voltage then check the power outside the air conditioner and take the appropriate measures 3 If the 3 phase voltage is normal then use the 3 phase tester to display the phase of the...

Page 116: ...four displaying parts will display 2 Sub Slave Unit The two left hand displays show its own address and the two right hand displays show the outdoor unit s address Main address C8 Sub1 address C9 Sub...

Page 117: ...ackingiscompleteandaftertheinitialinstallation ifyoudonothavea historyofAutoTrialOperationiscompleted UPwillbedisplayed 2 ExecutetheAutoTrialOperationbyTactSwitch 3 UPdisplaydisappearsafterAutoTrialOp...

Page 118: ...oor unit is a master unit or a sub unit 1 Master Unit TheoutdoorunitMicomattemptscommunicationwiththeindoorunitconnectedtothecommunicationcable F1 F2 whenthepoweristurnedon Basic segment display Step...

Page 119: ...ration 4 WaterHubPCBdefective 1 How to check Replace Main PCB Check the connection status of EMI PCB Check the short circuit of EMI PCB Fuse Refrigerant overcharge High pressure switch is defective No...

Page 120: ...PCB Check the refrigerant overcharge Replace if there is no abnormality Replace the EMI PCB No No Yes Yes Yes Did the high pressure switch become short circuit Did the first EMI PCB Fuse become short...

Page 121: ...ainPCBdefective 3 Highpressureswitchoperation 4 WaterHubPCBdefective 1 How to check Replace Main PCB Check the connection status of EMI PCB Check the short circuit of EMI PCB Fuse Refrigerant overchar...

Page 122: ...ed indoor units and the set value for the installation quantity setup switch the same Correctly set the indoor unit installation quantity setup switch of the outdoor unit and press the reset key K3 of...

Page 123: ...Unit Communication IC between outdoor units Other Outdoor Unit Above Communication Connector Communication IC between indoor and outdoor unit 2 Measure the resistance of the communication IC Measureme...

Page 124: ...lationquantitysetup switchthesame Aftersettheinstallationquantitycorrectlyusingoutdoor unitKEYmode resetthetrackingbypressingoutdoor unitPCBresetKEY K3 After2minutes findtheindoorunitwhichdisplaysthe...

Page 125: ...o 5 No 6 Pin resistance Measure the No 5 No 7 Pin resistance Measure the No 5 No 8 Pin resistance 3 Normal and defective judgment is tested for communication IC by using measured resistance Judging as...

Page 126: ...ch displays the communication error and check if the PCB address settings are overlapped Communication error occurs if the indoor unit addresses are overlapped In this case the communication error wil...

Page 127: ...communicationerrorandcheckifthePCBaddresssettingsare overlapped Communicationerroroccursiftheindoorunit addressesareoverlapped Inthiscase thecommunicationerrorwilloccurineveryindoor unit 2ormoreunits...

Page 128: ...Change wiring or connect No Re address Outdoor unit No Yes Yes Check connection of communication wire between Indoor unit and Outdoor unit Check address of Outdoor unit Replace MAIN PCB Yes Reset erro...

Page 129: ...No Change settings No Yes Yes Is the power supply normal 15V 5V Check the wiring of outdoor unit communication wire Confirmation of outdoor unit setup options K13 K14 Yes Reset error Key 3 Replace PC...

Page 130: ...n short Service after turn off the Main Power No Yes Is the jumper connector connected to CN31 of Inverter PCB2 when the Comp applied one Inverter PCB1 Restart operation after checking the Inverter PC...

Page 131: ...d WaterHubPCBCN302communicationwire Yes Yes IsMainPCBCN301andWaterHubPCBCN302 connectoraccuratelyconnected RestartafterconnectingtheMainPCBCN305and InverterPCBCN351communicationwire No No No IsLED151o...

Page 132: ...o check Replace Hub PCB Replace Fan PCB Fan PCB TX part Breakage Replace Connection wire Check the connection status CN12 connector Fan PCB CN13 connection No No No Yes Yes Yes Connection wire of Hub...

Page 133: ...CN305andInverterPCBCN351 communicationwire Checktheinputterminalconnectionstatus LandNofInverterPCB ReplaceInverterPCB InverterPCBTXpart Partialbreakage Checkthewireconnection status CN91connector No...

Page 134: ...n error of the Outdoor Unit C Box cont Replace INV PCB INV PCB TX part Breakage Check the connection status CN91 connector CN32 connector connection No No Yes Yes Lighting of INV PCB LD11 did confirma...

Page 135: ...nd 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...

Page 136: ...isplay 1 How to check 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...

Page 137: ...heck 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 M...

Page 138: ...ch MCU PCB address switch was duplicated To use reset by pressing the K3 button of the outdoor unit after the reset is completed or reset after turning off the power and then turn it on again t Exampl...

Page 139: ...dress Branch part use setup 4 2 2 0 5 6 0 Branch A B C D E F MCU BOX 1 MCU PCB OFF MCU address setup ON Indoor unit address Branch part use setup 4 0 1 2 5 7 1 Branch A B C D E F t 3FQFBUFE JOEPPS VOJ...

Page 140: ...P BO JOEPPS VOJU Outdoor unit display Indoor unit display 1 How to check Adjust the Dip switch that sets up the use of MCU branch part to Not Used After completing resetting press the outdoor unit s K...

Page 141: ...heck 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 MC...

Page 142: ...of indoor units connected to MCU then readjust the switch for the number of units After completing resetting press the outdoor unit s K3 button to reset or turn off to restart t Example of MCU indoor...

Page 143: ...is the defective itself No No Yes Yes Yes 4 4 16 MCU MCU subcooler entrance exit sensor error Open Short Outdoor unit display MCUsubcooler MCU Indoor Unit Display Judgment Method Refer to the judgemen...

Page 144: ...oor temperature sensor connector from the PCB measure the resistance value between the terminals Restart operation after replace the PCB Restart operation after connecting the connector to the PCB Rep...

Page 145: ...tdoor Cond Out sensor connector from the PCB measure the resistance value between the two terminals Restart operation after replace the PCB Restart operation after connecting the connector to the PCB...

Page 146: ...Replace this part as it is the defective of the outdoor Cond Out sensor itself Yes No No Resistancevaluemeasurepart AM038 048 055KXWD Cond Out Temperature Sensor Error Open Short con Outdoor unit disp...

Page 147: ...sor Replace Sensor No Blocked Sensor Path Change heat exchanger Ass y No Outdoor Cond Out sensor breakaway defective relevant path blocked Refer to the judgment method below Indoorunit display Judgmen...

Page 148: ...pressor Outdoor Cond Out sensor breakaway defective relevant path blocked Refer to the judgment method below Indoorunit display Judgment Method Cause of problem Outdoor unit display Duct Cassette 1 2W...

Page 149: ...imer Turbo ON Flash OFF 1 Howtocheck Yes Compressor discharge or Top temperature sensor connector CN43 CN45 connected to PCB Is the resistor value matching with NOTE1 table After separating the Compre...

Page 150: ...en Short Yes Yes No No TOP OLP Discharge Resistancevaluemeasurepart TOP OLP Resistancevaluemeasurepart Discharge Temperature C Resistance K 130 120 100 80 60 25 20 10 0 8 9 11 2 18 5 32 0 59 0 200 0 2...

Page 151: ...r breakaway and defective Ineffective start of compressor Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer F...

Page 152: ...arge Compressor1Top Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter 18 21 Turbo 2...

Page 153: ...es Is Suction sensor and sensor Holder accurately attached Outdoor unit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer...

Page 154: ...reakaway error cont Outdoor unit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer...

Page 155: ...h pressure sensor connector CN42 connected to PCB Refill refrigerant after vacuum No Yes Isthererefrigerantinsidetheset PleasecheckbyconnectingtheManifoldgauge totheservicevalve Replace PCB No Yes Out...

Page 156: ...ervacuum No Yes Isthererefrigerantinsidetheset Pleasecheckbyconnectingthemanifoldgaugeto theservicevalve ReplacePCB No Yes OutofthePCBhighpressuresensorterminals is therevoltagebetweenpins 3and4 5V Th...

Page 157: ...re sensor connector CN41 connected to PCB Refill refrigerant after vacuum No Yes Is there refrigerant inside the set Please check by connecting the Manifold gauge to the service valve Replace PCB No Y...

Page 158: ...t Timer Fan Filter MPI Operation Defrost Timer Filter 18 21 Turbo 24 27 ON Flash OFF Judgment Method Refer to the how to check below Cause of problem Disconnection or breakdown of relevant sensor Low...

Page 159: ...connector to PCB Replace this part as it is the defective of the Outdoor Suction sensor itself No No Yes Yes Resistancevaluemeasurepart SUCT SUCT NOTE1 Temperature C Resistance K 70 60 50 40 30 20 10...

Page 160: ...sor Suction temperature sensor error Open Short cont 1 How to check Didtheoutdoorsuctionsensorconnector breakawayfromthePCB Didtheresistancevaluesignificantlystrayfromthe followingtemperaturetable Sep...

Page 161: ...r Operation Timer Turbo ON Flash OFF 1 How to check Liquid pipe temperature sensor connector CN45 connected to PCB Is the resistor value matching with NOTE1 table Separate the connector of the Liquid...

Page 162: ...ctiveoftheliquid pipetemperaturesensoritself No No Yes Yes Yes LIQUID Resistancevaluemeasurepart LIQUID AM038 048 055KXWD Outdoor unit display Indoorunit display Duct Cassette 1 2Way Console Celing Ca...

Page 163: ...ON Flash OFF 1 How to check Outdoor EVI IN sensor connector CN44 connected to PCB Is the resistor value matching with NOTE1 table Separate the connector of the Outdoor EVI In Temperature sensor from t...

Page 164: ...ON Flash OFF 1 How to check Outdoor EVI OUT sensor connector CN44 connected to PCB Is the resistor value matching with NOTE1 table Separate the connector of the Outdoor EVI Out Temperature sensor from...

Page 165: ...ter Operation Timer Turbo ON Flash OFF 1 Inspection Method Yes Suction2 sensor connector CN44 connected to PCB Is the resistor value matching with NOTE1 table Separate the connector of the Suction 2 s...

Page 166: ...ected inverter checker if LED operates in the normality External factors or when LED operates by abnormality replace the Inverter PBA E399 FAN2 PBA IPM temperature sensor error Replace FAN PBA E499 FA...

Page 167: ...eraturesensorerror ReplaceInverterPBA AM038 048 055KXWD Outdoor unit display COMP 1 wire unconnected error Inverter PBA1 IGBT temperature sensor error Indoorunit display Duct Cassette 1 2Way Console C...

Page 168: ...EEV Pipe inspection Replace relevant component motor or fan Yes Yes Yes No Yes Are all service valves open Connect S net and Manifold Gauge essential requirement No No No Yes No Outdoor unit display...

Page 169: ...check AM038 048 055KXWD Comp Down due to high pressure protection control cont Outdoor unit display Indoorunit display Operation Timer Fan Filter Defrost Judgment Method Value of the high pressure se...

Page 170: ...rvice valves open Connect S net and Manifold Gauge essential requirement No No No Yes No 1 How to check Comp Down due to high pressure protection control cont Outdoor unit display Water Cooled Indooru...

Page 171: ...open Connect S net and Manifold Gauge essential requirement No No No Yes Yes No Outdoor unit display Air Cooled Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted...

Page 172: ...Connect S net and Manifold Gauge essential requirement No No No Yes Yes Yes 1 How to check No Outdoor unit display Water Cooled Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4W...

Page 173: ...s Yes Yes Yes No NOTE1 TOP1 CN43 3 4 TOP2 CN45 5 6 DIS1 CN43 1 2 DIS2 CN45 3 4 Resistancevalue measurepart Resistancevalue measurepart TOP1 TOP2 Temperature C Resistance K 130 120 100 80 60 25 20 10 0...

Page 174: ...tEEV Pipeinspection ConnectS netandManifoldGauge essentialrequirement No No No Yes Yes Yes Yes No AM038 048 055KXWD Outdoor unit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette...

Page 175: ...orte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ON Flash OFF 1 Howtocheck Replace the MAIN PCB Connection and then restart it Power BOX Terminal Check...

Page 176: ...sensor 4 4 35 Suspension of starting by abnormal compression ratio Outdoor unit display Indoorunit display Judgment Method Compression ratio High pressure 1 03 Low pressure 1 03 less than 1 5 and last...

Page 177: ...minutes Change the cooling unit to the fan mode and one of the fan unit to the cooling mode and then check again If the refrigerant amount was excessively charged DSH may be decreased during the cooli...

Page 178: ...plyatthefanoperation Incaseitisnormal theEVAIn Outtemperatureofindoorunitthatisonfanoperationwithin5minutesisascendingtovaluethatapproachingin indoortemperature Settingasopposedtotheindoorunitfanopera...

Page 179: ...Yes Is there refrigerant inside the set Please check by connecting the menu folder gauge to the service valve Replace PCB No Yes Out of the PCB Pressure sensor terminals is there voltage between pins...

Page 180: ...ererefrigerantinsidetheset Pleasecheckbyconnectingthemanifoldgaugeto theservicevalve ReplacePCB No Yes OutofthePCBpressuresensorterminals isthere voltagebetweenpins 3and4 5V Outdoorunitdisplay Refrige...

Page 181: ...g operation When the outdoor temperature is more than 30 Cooling operation When the outdoor temperature is less than 25 Cause of problem System protection operation status Is not breakdown If the outd...

Page 182: ...VT T OPU CSFBLEPXO t 8IFO UIF IFBUJOH SFGSJHFSBOU DIBSHF G UIF PVUEPPS UFNQFSBUVSF JT NPSF UIBO Indoor Unit Display Judgment Method Special Cause Outdoor Unit Display Duct Cassette 1 2Way Console Celi...

Page 183: ...will be judged once CompressorTop temperature at the time of judgment Tini 2 Tini Power on or temperature of initial compressorTop after reset Compressor Top temperature at the time of judgment Outdo...

Page 184: ...will be judged once CompressorTop temperature at the time of judgment Tini 2 Tini Power on or temperature of initial compressorTop after reset Compressor Top temperature at the time of judgment suctio...

Page 185: ...f problem Compressor connection error Defective FAN Motor Defective PCB Power Off and then Restart Replace Fan PCB Yes Is the resistance value between different phases of an Motor U V V W W U less tha...

Page 186: ...ction Method 1 Refer to Figure1 and Table1 respectively the resistance value and diode voltage value measure 2 According to the criterion in Table 1 to determine whether the failure of IPM Division Me...

Page 187: ...ial Operation Power Off Replace Fan PCB Yes Did the error occurs End of Service No Yes Did you check the foreign objects on the Fan rotary wing Remove the foreign objects and restart No Yes Fan do rot...

Page 188: ...efrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ON Flash OFF AM030 040 050 060KXWD 1 Measures Replace Hub PCB or Main Hub connection wire Outdoor unit display Preventi...

Page 189: ...fective connection wire Defective Fan Motor Defective PCB Defective installation conditions Power Off Power Restart Replace Fan Motor Yes Did the error occurs End of Service No No Connection wire of F...

Page 190: ...embly defective Defective heat sink cooling Power Off Yes Did check the foreign objects between the heat sink pin Remove foreign objects Cold heat sink assembly defect occurs No Yes Is the bolt of the...

Page 191: ...l power is applied Hot Gas Bypass Valve1 is Open when compressor starts to reduce the Load Hot Gas Bypass Valve initial startup does it work Check the temp between Hot Gas Bypass Valve 1 and Suction P...

Page 192: ...the Compressor or PCB Compressor applied one Compressor applied two Restart Inverter1 Compressor2 Inverter2 Compressor1tothewiringchange Power Off Power Off and then Restart End of Service Replace In...

Page 193: ...ive PCB Poweroffandthenrestart Continue Yes IsHotGasBypassValvestartuptheinitialpoweris applied ReplaceHubPCB No Yes HotGasBypassValveinitialstartupdoesitwork Replace HotGasBypassValve No Yes Istheres...

Page 194: ...check Remove the obstacles and check the status of the installation No Yes Is the outdoor unit installed properly Power Off Replace Compressor No Yes Is the resistance value between phase of Compresso...

Page 195: ...replace the Compressor or PCB Compressor applied one Compressor applied two Restart Inverter1 Compressor2 Inverter2 Compressor1tothewiringchange Power Off Replace Inverter PCB Before change After cha...

Page 196: ...Judgment 6 LEDs of inverter checker are lightning successively MOTOR PBA OK MOTOR NG If one of 6 LEDs in inverter checker is not lightning MOTOR PBA NG MOTOR OK How to enter check mode 7Seg display T...

Page 197: ...tester 2 Inspection Method 1 Refer to Figure1 and Table1 respectively the resistance value and diode voltage value measure 2 According to the criterion in Table 1 to determine whether the failure of...

Page 198: ...oorunitinstalledproperly Removetheobstaclesandcheckthestatusofthe installation No Yes Istemperaturesensorlocationandthe measurementvaluenormally Poweroff andthenreplacementorcorrectionof thesensorloca...

Page 199: ...Check the connector connection No Yes Is EMI PCB R S T Wire and Terminal block connector accurately connected No Yes Did the Fuse is open No Yes Is Reactor accurately connected Check the Reactor conn...

Page 200: ...use of problem Checktheinputwiring EMIfuseshortcircuit Poweroff Yes Yes 220VisthevoltagebetweenterminalblocksL andNwire CheckthevoltagebetweenLandNwireand thenrestartit ReplaceinverterPCBandthenrestar...

Page 201: ...Judged as an error if the detected value is more than 2 8V or 0 2V less than Cause of problem DC Link Connector disconnected PCB voltage sensing circuit defective Check the connector connection Check...

Page 202: ...entaryOvervoltage Lowvoltageoccurs DefectivePCBvoltagesensingcircuit 1 Howtocheck Poweroff Yes Ispowerconnectionaccuratelyconnected Powercablere connection No Yes Isreactoraccuratelyconnected Checkthe...

Page 203: ...Defective Motor 1 How to check Replace Fan PCB Yes Replace Outdoor Fan Motor No Yes Istheresistancevalue betweendifferentphasesofFanMotor U V V W W U lessthan10 Replace Outdoor Fan Motor Reconnect wir...

Page 204: ...nt error cont Outdoor unit display FAN PCB FAN1 FAN PCB FAN2 Judgment Method Occurs when overcurrent flows in the IPM Detected by H W or S W Cause of problem Defective FAN Motor 1 How to check Yes Pow...

Page 205: ...OOR FAN PCB FAN1 Output Current sensor OUTDOOR FAN PCB FAN2 Output Current sensor Judgment Method Sensor Output detection Judged as an error if the detected value is More than 4 5V or less than 0 5V C...

Page 206: ...SensorOutputdetection Judgedasanerrorifthedetectedvalueismorethan2 8Vor0 2Vlessthan Cause of problem DefectiveInputvoltage DefectivePCBvoltagesensingcircuit 1 Howtocheck Poweroff ReplaceinverterPCB Ye...

Page 207: ...on the MAIN Power Check voltage of connector AC Input Voltage Standard AC Voltage Vac Standard DC Voltage Vdc Min Max Min Max 208 230V 187 253 265 358 460V 414 506 585 715 380 415V 342 457 484 646 Sta...

Page 208: ...ts and defective manufacturing Fan Motor defective 1 Cause of problem Replace Fan PCB Restart When the error is repeated replace the Fan Motor End of Service No Yes Yes Did the error occurs Check the...

Page 209: ...1 29 70 1200 1 07 80 750 0 76 90 650 0 68 Temperature C NTC ohm AD V 100 500 0 55 105 450 0 51 110 380 0 44 120 300 0 35 130 250 0 30 140 200 0 25 1 How to check Complete Yes Yes Yes Apply the heat si...

Page 210: ...tsinkgrease BetweentheheatsinkandtheIPM TightentheBolt Screw Removeforeignobjectsandapplytheheatsink grease Andthenreassembly No No Istheboltoftheheatsinkfullytightened Didchecktheforeignobjectsbetwee...

Page 211: ...oor Unit Display Judgment Method Special Cause Outdoor Unit Display Download relevant model EEPROM and then reset Execute automatic commissioning for UP cancellation after EEPROM download Set the comp...

Page 212: ...f the software version of the indoor unit Cause of problem Check the software version of the indoor unit Check whether the support of the indoor unit Power On Yes Yes Does connected indoor unit become...

Page 213: ...splay 1 Cause of problem Outdoor unit single type exclusive use model non modular model can not be module installation single type only installation Connect outdoor unit EEPROM and then reset Yes Is o...

Page 214: ...Samsung Electronics 5 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5 PCB Diagram and Parts List 5 1 ASS Y PCB MAIN...

Page 215: ...7 EEPROM CLOCK CN42 HUBCOMM CN901 DRED OPT1 MODESELECTOR CN85 CONDITIONCHECK 1 12V 2 INVERTER INRUSH OUT 3 INVERTER COMM 4 GND 5 HIGH PRESSURE SENSOR 6 LOW PRESSURE SENSOR 7 ZERO CROSSING 8 GND 9 VCC...

Page 216: ...COMM 2 Download 3 HUB PBA Comm 4 DRED 5 External Con 6 COMM PBA Comm Outdoor 7 COMM PBA Comm Indoor 8 COMM PBA Comm SOL COM 9 IN COM 10 5V 11 12V 12 Pump Down 13 Gas Leak 14 Option Switch 15 Error Com...

Page 217: ...5 4 Samsung Electronics 6 23 22 24 5 4 3 2 1 7 8 12 9 10 11 13 14 15 25 16 17 18 19 20 21 ASS YPCBMAIN cont AM038 048 055KXWD66...

Page 218: ...SSURES W CN803 EEV2 CN001 FLOWS W 1 INPUT 2 GND 1 4 EEVCONTROL 5 12V 1 INPUT 2 GND CN804 EEV3 CN406 CN805 EEV4 CN801 EXTERNAL CONTROL OUT 1 4 EEVCONTROL 5 12V 1 4 EEVCONTROL 5 12V 1 3 12V 2 ERRORCHECK...

Page 219: ...5 6 Samsung Electronics 5 2 ASS YPCBMAIN HUB AC 1 2 3 4 5 6 7 8 9 10 11 12...

Page 220: ...7 OUTDOORTEMP 8 OUTDOORTEMP CN45 TEMP SENSOR CN46 SUCT CN44 TEMP SENSOR CN906 SNOWSENSOR 1 LIQUID 2 LIQUID 3 COMP2DISCHARGE 4 COMP2DISCHARGE 5 COMP2TOP 6 COMP2TOP 1 SUCTION2 2 SUCTION2 3 GND 4 GND 6 G...

Page 221: ...PCB Diagram and Parts List 5 8 Samsung Electronics ASS YPCBMAIN HUB cont DC 1 1 2 3 4 5 6 7 8 9 10 11...

Page 222: ...1 HOTGASBYPASS1 2 HOTGASBYPASS1 CN705 HOTGAS BYPASS2 CN703 EVI BYPASS CN716 OD EEV VALVE CN711 OIL RETURN VALVE 1 HOTGASBYPASS2 2 HOTGASBYPASS2 1 EVIBYPASS1 2 EVIBYPASS1 1 ODEEVVALVE 2 ODEEVVALVE 1 AC...

Page 223: ...5 10 Samsung Electronics 4 2 3 5 8 9 7 1 6 5 3 ASSY PCB INVERTER...

Page 224: ...NLOAD 1 COMPW 1 COMPU 1 COMPV 1 RX DOWN 2 TX DOWN 3 N TRST 4 TDO 5 TCK 6 TDI 7 TMS 8 9 GND 10 VCC CN32 MAINCOMM REACTOR WIRECONNECTION CN91 FANDC CN15 FANDCLINK 1 12V MAIN 2 IN SMPS RELAY 3 COMM IN 4...

Page 225: ...5 12 Samsung Electronics ASS Y PCB INVERTER cont 4 8 10 9 7 6 11 12 13 1 2 3 5...

Page 226: ...2 TX DOWN 3 BOOT 4 TDO 5 TCK 6 TDI 7 TMS 9 GND 10 VCC CN32 MAINCOMM CN702 REACTOR1 CN701 REACTOR2 CN91 FANDC 1 12V MAIN 2 IN SMPS RELAY 3 COMM IN 4 GND MAIN 1 REACTOR1 1 REACTOR2 1 18V 2 GND 3 5V FAN...

Page 227: ...19 ENC 17 GND 20 SUB 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM FEEDBACK 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM FEEDBACK CN401 COMP U phase RED CN402 COMP V phase BLU CN403 COMP W pha...

Page 228: ...V 14 18 19 ENC 17 GND 20 SUB 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM FEEDBACK 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM FEEDBACK 1 COMP U phase RED 2 COMP V phase BLU 3 COMP W phase YE...

Page 229: ...5 16 Samsung Electronics 5 5 ASS YPCBFAN Model 1 FANchassis 1 5 2 6 3 4...

Page 230: ...COMMUNICATION 1 HALL U 2 5V 3 HALL V 4 GND 5 HALL W 6 MOTOR TEMP 7 GND 1 RX DEBUG 2 TX DEBUG 3 BOOT 4 TDO 5 TCK 6 TDI 7 TMS 9 GND 10 5V 1 12V MAIN 2 INVSMPSRELAY MAIN 3 COMM MAIN 4 GND MAIN 1 18V INV...

Page 231: ...5 18 Samsung Electronics ASS YPCBFAN cont Model 2 FAN chassis 1 7 2 8 3 4 5 9 6...

Page 232: ...6 TDI 7 TMS 9 GND 10 5V 1 12V MAIN 2 INVSMPSRELAY MAIN 3 COMM MAIN 4 GND MAIN 1 18V INV 2 GND INV 4 GND INV 6 12V MAIN 7 INVSMPSRELAY INV 8 COMM INV 9 GND INV CN101 FAN2HALLSENSING CN301 DOWNLOAD2 U1...

Page 233: ...N01 02 03 R S TINPUT CN04 05 06 R S TOUTPUT CN22 HUB220V CN23 INVERTER220V CN01 T IN CN02 S IN CN03 R IN CN04 R OUT CN05 S OUT CN06 T OUT 1 LIVE 2 NEUTRAL 1 LIVE 2 NEUTRAL 3 NEUTRAL CN10 EARTH 1 EARTH...

Page 234: ...Samsung Electronics 5 21 5 7 OUTDOORUNITPCB L1 BRN N1 SKY BLU 1 3 AC 220 240V L1 AC POWER L phase N1 AC POWER N phase CN01 AC POWER 3 1 2 EMIPBA Single Phase AM038 048 055KXWD66...

Page 235: ...5 22 Samsung Electronics 5 8 SUB COMM CN44 CN36 CN 44 CN45 CN55 1 F1 2 F2 1 OF1 2 OF2 1 R1 2 R2 GND 1 F1 2 F2 3 OF1 4 OF2 5 R1 6 R2 1 2 3 4 5...

Page 236: ...PUT CN703 WATERPUMP 2WAYVALVE FLOWSW CN304 MICOMDOWNLOAD CN903 WATERFLOW 1 12V MAIN 2 IN SMPS RELAY 3 COMM IN 4 GND MAIN 1 WATERPUMP 2 WATERPUMP 3 2WAYVALVE 4 2WAYVALVE 5 FLOWSWITCH 6 GND 1 DCOUTPUT 2...

Page 237: ...6 1 Samsung Electronics Wiring Diagram Samsung Electronics 6 2 6 Wiring Diagram 6 1 AM072 096 120 144FXVA66 This Document can not be used without Samsung s authorization...

Page 238: ...Wiring Diagram 6 3 Samsung Electronics Wiring Diagram Samsung Electronics 6 4 6 2 AM072 096 120 192HXWA66 This Document can not be used without Samsung s authorization...

Page 239: ...Wiring Diagram 6 5 Samsung Electronics Wiring Diagram Samsung Electronics 6 6 6 3 AM168 192HXVAJ6A This Document can not be used without Samsung s authorization...

Page 240: ...Wiring Diagram 6 7 Samsung Electronics Wiring Diagram Samsung Electronics 6 8 6 4 AM168 192HXVAF6 This Document can not be used without Samsung s authorization...

Page 241: ...Wiring Diagram 6 9 Samsung Electronics Wiring Diagram Samsung Electronics 6 10 6 5 AM072 097KXVAJ6 This Document can not be used without Samsung s authorization...

Page 242: ...Wiring Diagram 6 11 Samsung Electronics Wiring Diagram Samsung Electronics 6 12 6 6 AM072KXVAF6 This Document can not be used without Samsung s authorization...

Page 243: ...Wiring Diagram 6 13 Samsung Electronics Wiring Diagram Samsung Electronics 6 14 6 7 AM096KXVAF6 This Document can not be used without Samsung s authorization...

Page 244: ...Wiring Diagram 6 15 Samsung Electronics Wiring Diagram Samsung Electronics 6 16 6 8 AM216KXVGJ6...

Page 245: ...Wiring Diagram 6 17 Samsung Electronics 6 9 AM038 048 055KXWD66 This Document can not be used without Samsung s authorization...

Page 246: ...EVI EEV V_ES EVI Sol Valve V_EB EVI Bypass Valve V_HG Hot Gas Bypass Valve V_4W 4Way Valve V_AR Accumulator Oil Return Valve CV_E EEV Bypass Check Valve CV_D Discharge Check Valve T_D Discharge Tempe...

Page 247: ...Temperature Sensor SV_G Gas Pipe Service Valve SV_L Liquid Pipe Service Valve 7 3 AM096FXVAFH6 AM120FXVAFH6 AM144FXVAFH AM144FXVAJH6 AM168HXVAJH6 AM168HXVAFH6 AM192HXVAJH AM192HXVAFH6 s E s E s INV OF...

Page 248: ...e T_D Discharge Temperature Sensor T_S Suction Temperature Sensor T_CO Cond Out Temperature Sensor T_EI EVI In Temperature Sensor T_EO EVI Out Temperature Sensor T_L Liquid Pipe Temperature Sensor T_C...

Page 249: ...MAIN COOL CHECK V V CV5 1 CV5 2 LIQUID TUBE CHECK V V T1 1 T1 2 COMP TOP SENSOR T2 1 T2 2 DISC SENSOR T3 SUC SENSOR 2 T4 SUC SENSOR 1 T5 WATER SENSOR T6 COND OUT SENSOR T7 LIQUID TUBE SENSOR T8 SC IN...

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Page 256: ...ture pressure gas MCU MCU Heating operation Main heating oper E E E E E E Coolin g Coolin g Coolin g Coolin g Coolin g Coolin g s s s s s s s s s s s s s s A1 C1 V4 2 D V1 T1 1 A2 V4 1 T1 2 C2 V10 E s...

Page 257: ...V V V V V V V V V 8 8 6 8 6 8 V V 8 8 8 V 6 8 8 6 6 V 8 6 6 8 8 8 8 8 6 8 6 V 8 8 8 6 6 8 QY VGORGTCVWTG RTGUUWTG NKSWKF KIJ VGORGTCVWTG RTGUUWTG ICU KIJ VGORGTCVWTG RTGUUWTG NKSWKF QY VGORGTCVWTG RTG...

Page 258: ...VFQQT WPKV 7 7 GCVKPI QRGTCVKQP CKP JGCVKPI QRGT V V V V V V V V V V V V V V 8 8 6 8 6 8 V V 8 8 8 V 6 8 8 6 6 V 8 6 6 8 8 8 8 8 6 8 6 V 8 8 8 6 6 8 QY VGORGTCVWTG RTGUUWTG NKSWKF KIJ VGORGTCVWTG RTGU...

Page 259: ...V V V V V QQNKPI QRGTCVKQP CKP EQQNKPI QRGT 7PKV 1WVFQQT WPKV PFQQT WPKVU 1WVFQQT WPKV 7 7 GCVKPI QRGTCVKQP CKP JGCVKPI QRGT V V 8 8 6 8 6 8 V V 8 8 8 V 6 8 8 6 6 V 8 6 6 8 8 8 8 8 6 8 6 V 8 8 8 6 6...

Page 260: ...Samsung Electronics 7 15 7 19 AM038KXWD66 7 20 AM048 055KXWD66...

Page 261: ...super heat temperature control at heating operation 13 Hotgas Valve Sending the high pressure gas to low pressure pipe in order to protect low pressure 14 Hotgas Valve 2 In the cooling operation chang...

Page 262: ...ction for cooling operation Restrict excessive capacity increase when operating indoor units with small capacity OFF Disable maximum capacity restriction for cooling operation K7 K8 Selecting outdoor...

Page 263: ...tion K7 K8 Selecting outdoor unit address ON ON Outdoor unit address No 1 Main unit ON OFF Outdoor unit address No 2 Sub unit 1 OFF ON Outdoor unit address No 3 Sub unit 2 OFF OFF Outdoor unit address...

Page 264: ...1 Outdoorunitdisplay Needstoestablish Step2 Atthesametime pressthe 2secondsK1 K2 Preparedtosettingon Example 03 1 sDigit3times 64 10 sDigit6times 1 s Digit4times PressK2ntimes 10 sDigit 0 6 PressK4nti...

Page 265: ...39 Ex 3 Press the switch briefly to the option you want to change the items of K2 will change the value of Seg3 Seg4 and then select the option to change Ex 4 K2 switch is pressed for 2 seconds after...

Page 266: ...ption Example G ZG 3 If you have selected desired option you can shortly press the K2 switch to adjust the value of the Seg 3 Seg 4 and change the function for the selected option Example G ZG 4 After...

Page 267: ...ll be reset Quantity of indoor units Step4 Ready to set Step5 K2 x n times Press K1 X Tens digit 0 6 Ex 03 3 units 64 64 units K4 x n times X Ones digit 0 9 K4 Press for 2 seconds automatic detection...

Page 268: ...80 0 5 75 0 6 70 0 7 65 0 8 60 0 9 55 0 0 50 0 1 No restriction Oil collection interval Main 0 4 0 0 Factory default 0 1 Shorten the interval by 1 2 Temperature to trigger defrost operation Main 0 5 0...

Page 269: ...ting in energy saving mode capacity might decrease compared to normal operation mode 0 1 Energy saving 0 2 Power Rotation defrost HR only Main 1 1 0 0 Disabled Factory default 0 1 Enabled When enabled...

Page 270: ...indoor unit will decrease 0 1 2 5 0 2 2 6 0 3 2 7 0 4 2 9 0 5 3 0 0 6 3 1 0 7 3 2 0 8 3 3 Current restriction rate Individual 0 3 0 0 100 Factory default When restriction option is set cooling and he...

Page 271: ...ing Factorydefault Address for classifying the product from upper level controller DMS S NET 3 etc 0 15 Manualsettingforchannel0 15 Unusedoption Main 1 4 0 0 Unusedoption Unused option by this model 0...

Page 272: ...Speed operatin Main 1 7 0 0 Disabled Factory default Enabling this setting will command the air conditioner to cool heat faster at initial start up However this function will not wortk when High head...

Page 273: ...0 Disable Factory default 0 1 Enable Energy saving mode triggers when the room temperature reaches desired temperature while operating in heating mode Disable Main 1 1 0 0 Disable This function is no...

Page 274: ...Samsung Electronics 8 13 8 3 How to check the view mode using a tact switch AM6666XV666 rX rY rZ r A type B type...

Page 275: ...quency of the compressor P 120 Hz 1 2 0 26 times Current frequency of the compressor Q 120 Hz 1 2 0 27 times Suction 2 temperature R 42 C 4 2 28 times Address of master indoor unit S When master indoo...

Page 276: ...Page 2 AUTO SEG 1 SEG 2 SEC 3 4 Indoor unit A MCU C Indoor unit 0 MCU C Address No 1 01 Display method of automatically assigned address in K4 View mode EX MANU A004 MANU A005 MANU A006 Page 1 Display...

Page 277: ...0 14times ESCEEVstep E 300 3 0 0 15times Currentfrequencyofthecompressor1 F 120Hz 1 2 0 16times Addressofmasterindoorunit G Whenmasterindoorunitisnotset BLANK N D WhenindoorunitNo 1issetasmasterindoor...

Page 278: ...does not complete the Auto Trial Operation normal operation is prohibited If does not complete the Auto Trial Operation Display the UP Unprepared on the LED after checking communication Compressor to...

Page 279: ...Out Suction Liquid Pipe Temperature sensor Outdoor Unit High Pressure sensor Low Pressure sensor Outdoor Unit Service Valve judgment of the Open Closed Outdoor Unit Compressor Judgment of the operati...

Page 280: ...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 In this case the vacuum mode of the air must...

Page 281: ...Unit Indoor Unit of outdoor air introduction Will be excluded from the Indoor air temperature EVA In Out Temperature sensor checking No Indoor Temperature sensor setting Remote control indoor unit Yes...

Page 282: ...n after 1 hour from final operation stopped Yes Con rmation and Measures Yes Con rmation and Measures No Is Temperature sensor connector properly connect Yes Replace sensor No Is Temperature sensor re...

Page 283: ...r Undetermined Display the error to all of the Outdoor Unit and then Auto Trial Operation is exited Stop the overall system Yes Confirmation and Measures No Is Pressure sensor connector properly conne...

Page 284: ...If the Outdoor Unit with a history of operation Auto Trial Operation inclusion Maintain the vacuum mode for more than 5 minutes Yes Con rmation and Measures No Is Pressure sensor connector properly c...

Page 285: ...nd then complete after add more than 1 hour operation after end of defrost operation Execute checking of 4Way Valve and Main EEV together 4Way Valve abnormal symptoms 1 Strange noise of compressor to...

Page 286: ...sures No Is Outdoor Unit Power supply speci cations and wiring status normal Yes Replace Inverter PCB No When Outdoor Unit is stopped state Is current CT value of Compressor 0 Yes No Is resistance bet...

Page 287: ...Inspectionandmeasuresof DischargeTemperaturesensor Assemblystatus connector resistance etc No IsDischargeTemperature sensorofcorrespondingOutdoorUnit normal Yes Indoorventilation No WhenAutoTrialOpera...

Page 288: ...n accordance with the following order Yes Check the corresponding Pressure sensor No Auto Trial Operation results is Valve and Pressure sensor normal Yes Con rmation and Measures No Is 4Way Valve conn...

Page 289: ...Trial Operation results is Valve and Sensor normal Yes Con rmation and Measures No Is EVI In Out Temperature sensor normal Assembly status connector resistance etc Yes Con rmation and Measures No Is...

Page 290: ...re sensor breakdown Refer to High Low pressure sensor Module installed E506 Low pressure sensor breakdown Other error codes Refer to Service Manual Yes Check the Valve and Pressure sensor No Auto Tria...

Page 291: ...can be forced to shut down If did not operation for a long time or when running the heating operation the accuracy may be lower Therefore carried out for more than 30 minutes cooling operation Depend...

Page 292: ...Product Type N INDOOR UNIT NASA X OUTDOOR UNIT NASA Rating Voltage A A 115V 60Hz 1 B B 220V 60Hz 1 C C 208V 230V 60Hz D D 200V 220V 50Hz E E 220V 240V 50Hz F F 208V 230V 60Hz 3 G G 380V 415V 50Hz 3 H...

Page 293: ...ble International and or domestic law Samsung Electronics Co Ltd January 2017 Printed in Korea Code No AC 00076E_6 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 sam...

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