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Samsung AM072FXVAFH/AA, Service Manual

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Samsung AM072FXVAFH/AA Service Manual Download Page 1

Refer to the service manual in the GSPN(see the rear cover) for the more information.

AIR CONDITIONER

CONTENTS

SYSTEM AIR CONDITIONER

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

OUTDOOR UNIT

AM072/096/120/144FXVAFH
AM072/096/120/144FXVAFR
AM072/096/120/144FXVAJH
AM072/096/120/144FXVAJR

Summary of Contents for AM072FXVAFH/AA

Page 1: ...R CONDITIONER 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 TestOperation 10 Reference Sheet OUTDOORUNIT AM072 096 120 144FXVAFH AM072 096 120 144FXVAFR AM072 096 120 144FXVAJH AM072 096 120 144FXVAJR ...

Page 2: ... compressor exchange 3 33 3 4 MCU 3 35 3 5 EEV KIT 3 36 4 Troubleshooting 4 1 4 1 Check up Window Description 4 1 4 2 Service Operation 4 2 4 2 1 Special Operation 4 2 4 2 2 DVM S Models EEPROM Code Table 4 7 4 2 3 Number Display Method 4 7 4 3 Appropriate Measures for Different Symptom 4 12 4 3 1 Outdoor Unit Operation Flow 4 12 4 3 2 Main PCB has no power phenomenon 4 15 4 3 3 Communication Erro...

Page 3: ...rror OPEN SHORT 4 44 4 3 30 Measures of other outdoor unit error 4 45 4 3 31 E407 Comp Down due to High Pressure Protection Control 4 46 4 3 32 E410 Comp Down due to Low Pressure Protection Control 4 47 4 3 33 E416 Suspension of starting due to Compressor discharge temperature sensor Top temperature sensor 4 48 4 3 34 3 phase Input Wiring error 4 49 4 3 35 E428 Suspension of starting by abnormal c...

Page 4: ...ooling operation H R 7 4 7 8 Main cooling operation H R 7 5 7 9 Heating operation H R 7 6 7 10 Main heating operation H R 7 7 7 11 Cooling operation H P 7 8 7 12 Heating operation H P 7 9 7 13 Cycle Component Function Explanation 7 10 8 Key Options 8 1 8 1 Outdoor unit option switch settings 8 1 8 2 How to set the key function of the outdoor unit 8 2 8 3 How to check the view mode using a tact swi...

Page 5: ...atic 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 and stereos This can cause irregular noise or degrade the picture quality O Please make sure the customer does not directly repair the product Arbitrary dismantling may result in electric shock or fi...

Page 6: ...a 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 Supplement of Air Conditioner Refrigerant O Precisely calculate the refrigerant by using a scale and S net and proceed with the test operation Excessive supplement can cause harm to the product since it ...

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

Page 8: ... cooling method 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 thermal conductivity is 10 times higher than air load is available Coolingof invertercircuit Refrigerant cooling system It is cooling technology of inverter circuit that use refrigerating cycle ...

Page 9: ...erstructureࣖDouble LayerStructure Invertertechnologyintegration Invertercontrolcircuit composition C Boxvolumemaximumuse Built intypeControllerembodi ment Integratedpowersupply controlunit Pipingserviceeasiness Q ControlBox PCB Changed part Changeditem andfeature Basic Afterchanged CABINET Changethecolor TOUCHGRAY ࣖEARTHBROWN WireHarnessinstallationpart change LOGOchange ...

Page 10: ...n WhendoPCBreplace needoption download HubPCB HubPCBnewlyapplication Separationforload control Enhancedfixingofload sensorwire FANPCB Usecontrollerof3phasepower Preventedphaseunbalance TemperatureprotectionofIPM InverterPCB Compressor ControlPCB AppliedinverterCompressor Refrigerantcoolingmethod MagnetS W ױ DidPowerRelaymounttoPCB EMIPCB 3phasepowerEMIPCB Fusemount Communication Terminalblock DidC...

Page 11: ...oling NewPipeCoolingforcoolingof inverterPCB Unapplied Changed part Changeditem andfeature Basic Afterchanged HP Afterchanged HR Tube structure Newinverter cycletechnology application Newpiping Q PIPECOOLING Q TUBE Refrigerant cooling system It is cooling technology of inverter circuit that use refrigerating cycle technology Coolingof invertercircuit ...

Page 12: ...Product Specifications 2 6 Samsung Electronics 2 1 3 Structure of product AM072FXVAF6 AM072FXVAJ AM096FXVAF6 AM120FXVAF6 AM144FXVAF6 AM096FXVAJ6 AM120FXVAJ6 AM144FXVAJ6 TRANS BOX TRANS BOX ...

Page 13: ...1 CODE DB31 00298A DB94 03285C DB94 03285C DB94 03285C MAX RPM STEP RPM 800 1050 1050 1100 Quantity EA 1 2 2 2 CMM 205 260 260 270 Piping Connections Gas Inch 3 4 19 05 7 8 22 22 1 1 8 28 58 1 1 8 28 58 Dis Gas Inch Liquid Inch 3 8 9 52 3 8 9 52 1 2 12 7 1 2 12 7 DIMENSION NET mm 880x1695x765 1295x1695x765 1295x1695x765 1295x1695x765 GROSS mm 948x1912x832 1363x1912x832 1363x1912x832 1363x1912x832 ...

Page 14: ...B94 03285C MAX RPM STEP RPM 800 1050 1050 1100 Quantity EA 1 2 2 2 CMM 205 260 260 270 Piping Connections Gas Inch 3 4 19 05 7 8 22 22 1 1 8 28 58 1 1 8 28 58 Dis Gas Inch 5 8 15 88 3 4 19 05 7 8 22 22 7 8 22 22 Liquid Inch 3 8 9 52 3 8 9 52 1 2 12 7 1 2 12 7 DIMENSION NET mm 880x1695x765 1295x1695x765 1295x1695x765 1295x1695x765 GROSS mm 948x1912x832 1363x1912x832 1363x1912x832 1363x1912x832 NET ...

Page 15: ...285C DB94 03285C DB94 03285C MAX RPM STEP RPM 800 1050 1050 1100 Quantity EA 1 2 2 2 CMM 205 260 260 270 Piping Connections Gas Inch 3 4 19 05 7 8 22 22 1 1 8 28 58 1 1 8 28 58 Dis Gas Inch Liquid Inch 3 8 9 52 3 8 9 52 1 2 12 7 1 2 12 7 DIMENSION NET mm 880x1695x765 1295x1695x765 1295x1695x765 1295x1695x765 GROSS mm 948x1912x832 1363x1912x832 1363x1912x832 1363x1912x832 NET kg 190 278 278 293 GRO...

Page 16: ...94 03285C MAX RPM STEP RPM 800 1050 1050 1100 Quantity EA 1 2 2 2 CMM 205 260 260 270 Piping Connections Gas Inch 3 4 19 05 7 8 22 22 1 1 8 28 58 1 1 8 28 58 Dis Gas Inch 5 8 15 88 3 4 19 05 7 8 22 22 7 8 22 22 Liquid Inch 3 8 9 52 3 8 9 52 1 2 12 7 1 2 12 7 DIMENSION NET mm 880x1695x765 1295x1695x765 1295x1695x765 1295x1695x765 GROSS mm 948x1912x832 1363x1912x832 1363x1912x832 1363x1912x832 NET k...

Page 17: ... 2kW 69 6kWandbelow 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 for8rooms Y Joint Outdoor Unit MXJ TA3819M 139 2kWandbelow MXJ TA4422M 145kWandbelow Y Joint Only H R Outdoor Unit MXJ TA3100M 139 2kWandbelow MXJ TA3800M 145kWandOver MCU Mode Control Unit MCU S6...

Page 18: ...y O For disassembly and assembly DVM PLUS Ⅳ 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 DRIVER MONKEY SPANNER SCREW DRIVER NIPPER ELECTRIC MOTION DRIVER L WRENCH ...

Page 19: ...cal equipmentPart 1 14screwsthatisfixingCABINETremove Use Screwdriver 2 Remove4screwsthatisfixingandseparate CoverControlBox Use Screwdriver 3 Power Compressor Valve Motor Sensorcon nectorconnectedtoASSYPCBremove 3 2 Disassembly and Reassembly 3 2 1 AM072FXVA66 ...

Page 20: ...rts Procedure Remark 4 2screwshadfixedinterminalblockcover whenchangepowerterminalblock commu nicationterminalblockremove 5 2screwshadfixedinterminalblockafter remove4screwshadfixedtoCabinetforter minalblockprotectionremove 6 5screwshadfixedtoFrontpartremove ...

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