Page 1 SYSTEM AIR CONDITIONER OUTDOOR UNIT AM080/100/120/140/160/180/200/220/240/260 XV AM080/100/120/200FXWA AM080/100/120/140/160/180/200/220JXVA AM140/160/180/200/220/240/260/280/300KXV AIR CONDITIONER 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...
Page 2: Table Of Contents
4-3-6 Internal Communication error of the Outdoor Unit C-Box ............4-26 4-3-7 Internal PCB Communication error of the Outdoor Unit C-Box..........4-27 4-3-8 MCU branch part setup error-inconsecutive connection with the use of 2 branch Parts ............................4-29 Samsung Electronics...
Page 3 4-3-54 Inverter Overheat error .......................... 4-85 4-3-55 Option setting error of outdoor unit ....................4-86 4-3-57 Error due to using single type outdoor unit in a module installation ....... 4-87 4-3-57 Indoor unit and MCU address duplication error ................. 4-88 Samsung Electronics...
Page 4 9. Test Operation ..................... 9-1 9-1 Auto Trial Operation ..............................9-1 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 9-2 Amount of refrigerant automatically checking .................... 9-14 9-3 Model Naming ................................9-15 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) Control Box - C/Box volume maximum use structure Built-in type Controller embodi- ment - Integrated power supply + control unit - Piping service easiness Samsung Electronics...
Page 10 Applied inverter Compressor Inverter PCB (Compressor - Refrigerant cooling method Control PCB) - Mount power relay on PCB 3 phase power EMI PCB EMI PCB - Fuse mount Communication - Mount communication terminal block Terminal block on PCB Samsung Electronics...
Page 11 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 12 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 13 After changed part and feature Pipe New Pipe Cooling for cooling Unapplied Cooling of inverter PCB. EFRIGERANT COOLING SYSTEM T IS COOLING TECHNOLOGY OF INVERTER CIRCUIT THAT USE REFRIGERATING CYCLE TECHNOLOGY OOLING OF INVERTER CIRCUIT OOLING OF INVERTER CIRCUIT Samsung Electronics...
Page 14 TUBE Changed Changed item Basic After changed [HP] After changed [HR] part and feature New inverter Tube cycle technol- struc- ogy application ture New piping Samsung Electronics...
Page 15: Structure Of Product(Heat Pump)
2-1-3 Structure of product ( Heat Pump: AM H Series ) Small size Large size Samsung Electronics...
Page 16: Structure Of Product(Heat Recovery)
Oil separator Intercooler Compressor Liquid pipe Accumulator Low Pressure High Pressure Gas Pipe Gas Pipe Large size Heat exchanger CONTROL BOX 4-WAY V/V Oil separator Accumulator Intercooler Compressor Liquid pipe Low Pressure Gas Pipe High Pressure Gas Pipe 2-10 Samsung Electronics...
Page 17: Structure Of Product(Power Supply For 460V, 60Hz, 3Φ)
2-1-5 Structure of product (Power supply for 460V, 60Hz, 3Φ : AM Series ) Small size CONTROL BOX 4-WAY V/V Accumulator Heat exchanger Oil separator Sub-Cooler TRANS BOX Compressor Large size CONTROL BOX 4-WAY V/V Heat exchanger TRANS BOX Sub-Cooler Oil separator Compressor Samsung Electronics 2-11...
Page 18: Structure Of Product (Dvm S Water)
4 WAY V/V Sub Cooler Receiver Compressor Plate Heat Exchanger Oil separator Large size Liquid Pipe 4 WAY V/V High pressure Gas Pipe Low pressure Gas Pipe Accumulator CONTROL BOX Sub Cooler Oil separator Plate Heat Exchanger Receiver Compressor 2-12 Samsung Electronics...
Page 19 2-1-7 Structure of product (Heat Pump AM KX Series) AM140/160KXVG , AM140/160/180KXVA Heat Exchanger Control Box 4-WAY V/V Accumulator Subcooler Control Box Gas V/V Liquid V/V AM180/200/220KXVG , AM200/220KXVA Heat Exchanger 4-WAY V/V Control Box Accumulator Subcooler Gas V/V Liquid V/V Compressor Samsung Electronics 2-13...
Page 20: Structure Of Product (Heat Pump Am Kx Series)
Structure of product (Heat Pump AM KX Series) AM240/260/280KXVG , AM240/260/280/300KXVA , AM080KXVS CONTROL BOX 4-WAY V/V Heat Exchanger Subcooler Gas Pipe Liquid Pipe Compressor 2-14 Samsung Electronics...
Page 21: Product Specifications
4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. Samsung Electronics 2-15...
Page 22 4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-16 Samsung Electronics...
Page 23 4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. Samsung Electronics 2-17...
Page 24 4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-18 Samsung Electronics...
Page 25 4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. Samsung Electronics 2-19...
Page 26 4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-20 Samsung Electronics...
Page 27 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-21 Samsung Electronics Samsung Electronics 2-22...
Page 28 4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-23 Samsung Electronics...
Page 29 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-24 Samsung Electronics Samsung Electronics 2-25...
Page 30 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-26 Samsung Electronics Samsung Electronics 2-27...
Page 31 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-28 Samsung Electronics Samsung Electronics 2-29...
Page 32 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-30 Samsung Electronics Samsung Electronics 2-31...
Page 33 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-32 Samsung Electronics Samsung Electronics 2-33...
Page 34 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-34 Samsung Electronics Samsung Electronics 2-35...
Page 35 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-36 Samsung Electronics Samsung Electronics 2-37...
Page 36 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-38 Samsung Electronics Samsung Electronics 2-39...
Page 37 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-40 Samsung Electronics Samsung Electronics 2-41...
Page 38 4. Maximum length between outdoor and indoor units allows up to 200m (Equivalent length 220m). 5. If the indoor unit is below, height length allows up to 110m (If over 50m, decide whether to install the PDM kit). If the outdoor unit is below, allowable height length is 40m. 2-42 Samsung Electronics...
Page 39: Accessory And Option Specifications
(Mode Control Unit) MCU-S4NEE2N 4 ROOM MEV-E24SA EEV KIT (1 Room) MEV-E32SA MXD-E24K132A MXD-E24K200A EEV KIT (2 Room) Applty to products without EEV MXD-E32K200A (Wall mount & Ceiling) MXD-E24K232A MXD-E24K132A MXD-E24K300A EEV KIT (3 Room) MXD-E32K224A MXD-E32K300A 2-43 Samsung Electronics...
Page 40: 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 41: Disassembly And Reassembly
1) Remove 14 screws from the cabinet equipment Part (Use + screw driver) 2) Remove 4 screws and separate cover control box (Use + screw driver) 3) Power, Compressor, Valve, Motor, Sensor con- nector connected to ASSY PCB remove. Samsung Electronics...
Page 42 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for ter- minal block protection remove. 6) 5 screws had fixed to Front part remove. Samsung Electronics...
Page 43 7) 6 screws had fixed on side refrigerant cooling 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 on side refrigerant cooling part inside remove. Samsung Electronics...
Page 44 Insu Code Binding Wire AM080/100/120JXV DB62-04154C AM080/100/120JXV DB62-03808B AM080/100/120JXV DB62-03808C VALVE & SENSOR Valve & Sensor Expansion Valve EVI EEV Valve Accum Oil Return Valve EVI In Sensor INSULATION Model Insu Code Binding Wire AM080/100/120JXV DB62-03808C AM080/100/120JXV DB62-03808E Samsung Electronics...
Page 45 Valve & Sensor 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 AM080/100/120JXV DB62-03808D Samsung Electronics...
Page 46 VALVE & SENSOR 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 AM080/100/120JXVHGR DB62-03808E AM080/100/120JXVHGR DB62-04154B AM080/100/120JXVHGR DB62-03808C Samsung Electronics...
Page 47 Low Pressure Sensor 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 AM080/100/120JXVHGR DB62-03808D Samsung Electronics...
Page 48 Disassembly and Reassembly Binding Wire 3 AM080/100/120JXV 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 49 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 Samsung Electronics 3-10...
Page 50 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 3-11 Samsung Electronics...
Page 51: Am140Fxvagh, Am140Jxv Gh
1) Remove 11 screws from the cabinet equipment Part (Use + screw driver) 2) Remove 4 screws and separate cover control box (Use + screw driver) 3) Power, Compressor, Valve, Motor, Sensor con- nector connected to ASSY PCB remove. Samsung Electronics 3-12...
Page 52 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for ter- minal block protection remove. 6) 5 screws had fixed to Front part remove. 3-13 Samsung Electronics...
Page 53 7) 6 screws had fixed on side refrigerant cooling 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 on side refrigerant cooling part inside remove. Samsung Electronics 3-14...
Page 54 High Pressure Sensor EVI Bypass Valve INSULATION Model Insu Code Binding Wire AM140JXV DB62-03808G VALVE & SENSOR Valve & Sensor EVI SOL Valve Low Pressure Sensor Hot Gas Valve INSULATION Model Insu Code Binding Wire AM140JXV DB62-04154D AM140JXV DB62-04154D 3-15 Samsung Electronics...
Page 55 AM140JXV DB62-03808C AM140JXV DB62-03808D AM140JXV DB62-03808E 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 AM140JXV DB62-03808C Samsung Electronics 3-16...
Page 56 EVI Bypass Valve INSULATION Model Insu Code Binding Wire AM140JXVHGR DB62-03808G AM140JXVHGR DB62-04154C VALVE & SENSOR Valve & Sensor EVI SOL Valve Low Pressure Sensor Hot Gas Valve INSULATION Model Insu Code Binding Wire AM140JXVHGR DB62-04154D AM140JXVHGR DB62-04154D 3-17 Samsung Electronics...
Page 57 DB62-04154B 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 AM140JXVHGR DB62-03808C AM140JXVHGR DB62-03808D Samsung Electronics 3-18...
Page 58 Disassembly and Reassembly Binding Wire 3 AM140JXV 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. 3-19 Samsung Electronics...
Page 59 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 Samsung Electronics 3-20...
Page 60 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 3-21 Samsung Electronics...
Page 61: Am160/180/200/220/240/260
1) 11 screws that is fixing CABINET remove.(Use equipment Part + 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. Samsung Electronics 3-22...
Page 62 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for termi- nal block protection remove. 6) 5 screws had fixed to Front part remove. 3-23 Samsung Electronics...
Page 63 7) 6 screws had fixed on side refrigerant cooling 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 on side refrigerant cooling part inside remove. Samsung Electronics 3-24...
Page 64 < 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. 3-25 Samsung Electronics...
Page 65 EVI Out Sensor EVI In Sensor INSULATION Binding Model Insu Code Wire AM160/180/200/220 XV DB62-04154B AM140JXVA H AM160/180/200/220/240/260 XV DB62-03808D AM140JXVA H AM160/180/200/220 XV DB62-03808E AM240/260 XV DB62-03808C AM140JXVA H AM160/180/200/220 XV DB62-03808C AM240/260 XV DB62-03808F AM140JXVA H Samsung Electronics 3-26...
Page 66 AM160/180/200/220/240/260 XV DB62-03808D AM260/240 XV DB62-03808B AM140JXVA H VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor INSULATION Model Insu Code Binding Wire AM160/180/200/220/240/260 XV DB62-04154C AM140JXVA H AM240/260 XV H DB62-04154C AM140JXVA H 3-27 Samsung Electronics...
Page 67 EVI In Sensor Hot Gas 2 Valve EVI Out Sensor Hot Gas 1 Valve Liquid Sensor INSULATION Model Insu Code Binding Wire AM160/180/200/220 XV GR DB62-03808C AM160/180/200/220 XV GR DB62-03808E AM180/200/220 XV GR DB62-03808D AM160 XV GR DB62-03808C Samsung Electronics 3-28...
Page 68 AM180/200/220 XV GR DB62-03808D AM160 XV GR DB62-03808C VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Low Pressure Sensor INSULATION Model Insu Code Binding Wire AM160/180/200/220 XV GR DB62-04154C 3-29 Samsung Electronics...
Page 69 Binding Wire 3 AM160/180/200/220 AM140JXVA H 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 3-30...
Page 70 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 3-31 Samsung Electronics...
Page 71 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 Samsung Electronics 3-32...
Page 72: Am080/100/120Fxwa
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 con- nector connected to ASSY PCB remove. 3-33 Samsung Electronics...
Page 73 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for termi- nal block protection remove. 6) 4 screws had fixed to Front part remove. Samsung Electronics 3-34...
Page 74 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. 3-35 Samsung Electronics...
Page 75 < 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 3-36...
Page 76 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 AM080/100/120FXWA DB62-03808A AM080/100/120FXWA DB62-04154C AM080/100/120FXWA DB62-03808A AM080/100/120FXWA DB62-04154C AM080/100/120FXWA DB62-03808A AM080/100/120FXWA DB62-04154C 3-37 Samsung Electronics...
Page 77 AM080/100/120FXWA VALVE & SENSOR Valve & Sensor Liquid valve Liquid temp. sensor COMP TOP sensor Discharge temp. sensor INSULATION Model Insu Code Binding Wire AM080/100/120FXWA DB62-04154A AM080/100/120FXWA DB62-03808D VALVE & SENSOR Valve & Sensor Water temp. sensor Samsung Electronics 3-38...
Page 78 Disassembly and Reassembly Binding Wire 3 AM080/100/120FXWA 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. 3-39 Samsung Electronics...
Page 79 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 Samsung Electronics 3-40...
Page 80: Am200Fxwa
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 con- nector connected to ASSY PCB remove. 3-41 Samsung Electronics...
Page 81 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for ter- minal block protection remove. 6) 4 screws had fixed to Front part remove. Samsung Electronics 3-42...
Page 82 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. 3-43 Samsung Electronics...
Page 83 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 AM200FXWA DB62-04154A AM200FXWA DB62-03808C AM200FXWA DB62-03808E AM200FXWA DB62-03808D AM200FXWA DB62-03808D Samsung Electronics 3-44...
Page 84 Main cooling valve COMP TOP sensor Discharge temp. sensor Discharge temp. sensor COMP TOP sensor 4WAY VALVE INSULATION Model Insu Code Binding Wire AM200FXWA DB62-03808A AM200FXWA DB62-03808D AM200FXWA DB62-03808D VALVE & SENSOR Valve & Sensor Water temp. sensor 3-45 Samsung Electronics...
Page 85 Disassembly and Reassembly Binding Wire 3 AM200FXWA Comp wire & valve,sensor wires fix by Holder wire. Separate double layer structure of C/Box after remove 3 screws and connector. Samsung Electronics 3-46...
Page 86 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 3-47 Samsung Electronics...
Page 87: Am140/160Kxvg , Am140/160/180Kxva
1) Remove 10 screws from the cabinet equipment Part (Use + screw driver) 2) Remove 4 screws and separate cover control box (Use + screw driver) 3) Power, Compressor, Valve, Motor, Sensor connector connected to ASSY PCB remove. Samsung Electronics 3-48...
Page 88 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for ter- minal block protection remove. 6) 5 screws had fixed to Front part remove. 3-49 Samsung Electronics...
Page 89 Do not separate Heat Sink pulling Assy Piping Cooling piping compulsorily. (It can be a cause of parts damage) AM140KXV 8) 2 screws had fixed on side refrigerant cooling part inside remove. Use the driver with magnetic. AM160/180KXVA AM160KXVG Samsung Electronics 3-50...
Page 90 High Pressure Switch Hot Gas Valve 4WAY Valve Suction Sensor INSULATION Model Insu Code Binding Wire AM140/160/180 XV DB62-03808G AM140/160/180 XV DB62-08752B AM140/160/180 XV DB62-08752B VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor 3-51 Samsung Electronics...
Page 91 Insu Code Binding Wire AM140/160/180 XV DB62-08751D AM140/160/180 XV DB62-08751E AM140/160/180 XV DB62-08751C AM140/160/180 XV DB62-11717A VALVE & SENSOR Valve & Sensor Comp Top #1 Sensor Discharge #1 Sensor INSULATION Model Insu Code Binding Wire AM140/160/180 XV DB62-08751D Samsung Electronics 3-52...
Page 92 Binding Wire 3 AM140/160KXVG , AM140/160/180KXVA 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. 3-53 Samsung Electronics...
Page 93 , AM140/160/180KXVA Front Welding Parts Rear Welding Parts Welding Position Q'ty Welding Position Q'ty Discharge+Oil-sepa 4way+Cond in Discharge+Comp 4way+Oil-sepa out Suction+Accum 4way+Accum Suction+Comp Expansion+Cond out VI+Connector Expansion+Subcooler Hot-gas+Accum Cooling+Connector Connector+LQD Connector+Subcooler Suction+Oil-Return Pinch Pipe EVI-Bypass+Accum EVI-Bypass+Subcooler VI VALVE+Connector Samsung Electronics 3-54...
Page 94: Am180/200/220Kxvg , Am200/220Kxva
1) 10 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 con- nector connected to ASSY PCB remove. 3-55 Samsung Electronics...
Page 95 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for termi- nal block protection remove. 6) 6 screws had fixed to Front part remove. Samsung Electronics 3-56...
Page 96 . 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. 3-57 Samsung Electronics...
Page 97 < 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. Samsung Electronics 3-58...
Page 98 High Pressure Switch #2 Suction Sensor Expansion Valve Liquid Sensor EVI In Sensor EVI Out Sensor Accum Oil Return Valve INSULATION Model Insu Code Binding Wire AM200/220 XV DB62-08751D AM200/220 XV DB62-08751A AM200/220 XV DB62-08751E AM200/220 XV DB62-08751C 3-59 Samsung Electronics...
Page 99 Comp Top #1 Sensor Comp Top #2 Sensor Discharge #1 Sensor Discharge #2 Sensor INSULATION Model Insu Code Binding Wire AM200/220 XV DB62-08751D AM200/220 XV DB62-08751D VALVE & SENSOR Valve & Sensor Cond Out Sensor Outdoor Temperature Sensor Samsung Electronics 3-60...
Page 100 Binding Wire 3 AM180/200/220KXVG , AM200/220KXVA 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. 3-61 Samsung Electronics...
Page 101 , AM200/220KXVA Front Welding Parts Rear Welding Parts Welding Position Q'ty Welding Position Q'ty Discharge+Oil-sepa 4way+Cond in Discharge+Comp 4way+Oil-sepa out Suction+Accum 4way+Accum Suction+Comp Expansion+Cond out VI+Connector Expansion+Cooling Hot-gas+Accum Cooling+Connector Suction+Oil-Return Cooling+Subcooler in VI VALVE+Connector Pinch Pipe EVI-Bypass+Subcooler EVI-Bypass+Accum Samsung Electronics 3-62...
Page 102: Am240/260/280/300Kxv , Am080Kxvs
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 con- nector connected to ASSY PCB remove. 3-63 Samsung Electronics...
Page 103 5) 2 screws had fixed in terminal block after remove 4 screws had fixed to Cabinet for termi- nal block protection remove. 6) 5 screws had fixed to Front part remove. Samsung Electronics 3-64...
Page 104 . 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. 3-65 Samsung Electronics...
Page 105 < 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. Samsung Electronics 3-66...
Page 106 Hot Gas Valve High Pressure Sensor Low Pressure Sensor Suction Sensor High Pressure Switch #1 High Pressure Switch #2 INSULATION Model Insu Code Binding Wire AM240/260/280/300 XV DB62-08751F AM240/260/280/300 XV DB62-04154C AM240/260/280/300 XV DB62-08752D AM240/260/280/300 XV DB62-04154D 3-67 Samsung Electronics...
Page 107 Cond Out Sensor Outdoor Temperature Sensor VALVE & SENSOR Valve & Sensor Expansion Valve Liquid Sensor EVI In Sensor EVI Out Sensor INSULATION Model Insu Code Binding Wire AM240/260/280/300 XV DB62-08751G AM240/260/280/300 XV DB62-08751C AM240/260/280/300 XV DB62-04154C Samsung Electronics 3-68...
Page 108 Binding Wire 3 AM240/260/280/300KXV , AM080KXVS 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. 3-69 Samsung Electronics...
Page 109 Accum + EVI Bypass Receiver + Cond Out Receiver + Expansion Expansion +Cooling Hot Gas Valve + Oil Sepa out Pinch Pipe Accum +Hot Gas Valve Cooling + Subcooler In Oil Return + Suction Vapor Injection + EVI Bypass Samsung Electronics 3-70...
Page 110 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 3-71 Samsung Electronics...
Page 111: 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. Samsung Electronics 3-72...
Page 112 - Problem of that is blocked in oil circulation of (remaining oil of compressor that broke down below 0.3kg) compressor if is light more than 0.8kg than weight of compressor that weight of compressor that is changed to locality is changed newly inspects oil circulating system because possibility occurred is high. 3-73 Samsung Electronics...
Page 113 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 DB96-21902A 2.86kg DB96-21973A 2.71kg Samsung Electronics 3-74...
Page 114 ACCUMULATOR Weight SVC CODE information DB96-17091A 16.64kg DB96-16928A 22.08kg DB96-20395A 30.37kg DB96-21957A 24.32kg DB96-21912A 32.33kg 3-75 Samsung Electronics...
Page 115 - 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. Samsung Electronics 3-76...
Page 116: 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. 3-77 Samsung Electronics...
Page 117: 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. Samsung Electronics 3-78...
Page 118: Troubleshooting
Set up the number of connected Indoor 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 119: Service Operation
※ If INV error is occurred(E464/364, E461/361, etc.), please wait more than 15 minutes until self-discharging after shutting off the power because it can not enter a discharge mode. ※ If normal completion discharge mode or self-discharge will be not completed, it is very dangerous to contact because a high DC voltage of inverter PBA is charged. Samsung Electronics...
Page 120 Indoor Unit Whole operation (The set temperature=3°C) Whole operation (The set temperature=40°C) 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 121 Operation side : 2000 Step , Stop side : 2000 step Maximum Operation Time 30 minutes Etc. 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 pipe manually closed. Samsung Electronics...
Page 122 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. ► Samsung Electronics...
Page 123 Outdoor temperature is less than or equal to 10°C : Heating Auto Trial Operation 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 124 ※ 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 125 Starting frequency (Mild Start frequency) operation Indoor Unit Whole operation (The set temperature=3°C) Whole operation (The set temperature=40°C) Other Actuators Normally control conduct Operation time 60 minutes Etc. During the filling operation does not enter the special operation, such as oil recovery. Samsung Electronics...
Page 126 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 pipe manually closed. (However, all current limit control, and protection and control of IPM CompDown control is performed.) Samsung Electronics...
Page 127 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. ► 4-10 Samsung Electronics...
Page 128 Water temperature is less than or equal to 10°C : Heating Auto Trial Operation 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 4-11...
Page 129: Dvm S Models Eeprom Code Table
DB82-02496A AM240KXVASH DB92-03339A DB82-02995A AM180JXVHGR/EU DB92-03526A DB82-02497A AM260KXVASH DB92-03339A DB82-02996A AM200JXVHGR/EU DB92-03526A DB82-02498A AM280KXVASH DB92-03339A DB82-02997A AM220JXVHGR/EU DB92-03526A DB82-02499A AM300KXVASH DB92-03339A DB82-02998A AM080JXVAGH/EU DB92-03526B DB82-02500A AM220KXVJNH/ID DB92-03339A DB82-03421A AM100JXVAGH/EU DB92-03526A DB82-02501A AM240KXVJNH/ID DB92-03339A DB82-03422A AM120JXVAGH/EU DB92-03526A DB82-02502A 4-12 Samsung Electronics...
Page 130: Number Display Method
Display method for error that occurred in outdoor unit Error Number Outdoor unit address E471 U200 E471 U200 E206 C001 E206 C002 Error Number, repeat display and other methods of error display Samsung Electronics 4-13...
Page 131 No temperature changes in EVA IN during pipe inspection or changes in temperature is seen in indoor unit E-190 with wrong address No temperature changes in EVA OUT during pipe inspection or changes in temperature is seen in indoor E-191 unit with wrong address E-198 Error due to disconnected thermal fuse of indoor unit 4-14 Samsung Electronics...
Page 132 Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (Short or Open) E-321 Error on EVI (ESC) IN temperature sensor (Short or Open) E-322 Error on EVI (ESC) OUT temperature sensor (Short or Open) E-323 Error on suction sensor 2 (Short or Open) Samsung Electronics 4-15...
Page 133 In case of DVM water, Heating mode restriction due to low water temperature E-442 Refrigerant charing restriction in heating mode when air temperature is over 15 °C E-443 Operation prohibited due to low pressure E-445 CCH is deatched 4-16 Samsung Electronics...
Page 134 Error due to using single type outdoor unit in a module installation E-702 Error due to closed EEV of indoor unit (1st detection) E-703 Error due to opened EEV of indoor unit (1st detection) Auto Trial Operation incompleted (UnPrepared) Samsung Electronics 4-17...
Page 135: 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 opera- tion execution. 4-18 Samsung Electronics...
Page 136 ● 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 137 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 138: Main Pcb Has No Power Phenomenon
Is the HUB PCB LED lighted up? Replace HUB PCB if there is abnormality. Is the communication wire of Connect the communication wire to the CN96 connector on the HUB PCB. MAIN/HUB connected? Replace the MAIN PCB. Samsung Electronics 4-21...
Page 139: Communication Error Between Indoor And Outdoor Units During Tracking
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 4-22 Samsung Electronics...
Page 140 - 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 4-23...
Page 141: Communication Error Between Indoor And Outdoor Units After Tracking
Case of Communication Error: Refer to p.50 the indoor unit which interferes with the communication to check and change the indoor unit PCB. Good Defective 0.7V 0.7V 4-24 Samsung Electronics...
Page 142: 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 Samsung Electronics 4-25...
Page 143: 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 4-26 Samsung Electronics...
Page 144: Internal Pcb Communication Error Of The Outdoor Unit C-Box
EMI PCB CN23 connector accurately connected? Does INVERETER PCB LD22 (LED) blink? Replace the NVERETER PCB. Is INVERETER PCB CN31, CN91 Check the wire connection status. connector and FAN PCB CN501 connector accurately connected? Replace the FAN PCB Samsung Electronics 4-27...
Page 145 Troubleshooting Internal PCB Communication error of the Outdoor Unit C-Box (cont.) E206 C003/C004 C003 : Replace the INVERTER PCB 1 C004 : Replace the INVERTER PCB 2 4-28 Samsung Electronics...
Page 146: Mcu Branch Part Setup Error-Inconsecutive Connection With The Use Of 2 Branch Parts
MCU PCB Branch part use setup Setting error Indoor unit address Branch A Indoor unit MCU BOX #0 address setup MCU PCB Branch part use setup Setting error Indoor unit address Branch A Indoor unit Samsung Electronics 4-29...
Page 147: 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 Indoor Unit: 3 MCU: 1 4-30 Samsung Electronics...
Page 148: Mcu Branch Part Setup Error-Non-Installed Address Setup
MCU PCB MCU PCB Branch part use setup Indoor unit address Branch A Branch A Indoor unit Outdoorunit Indoor unmber setup MCU unmber setup Samsung Electronics 4-31 MCU address setup MCU BOX #0 MCU BOX #1 MCU PCB MCU PCB...
Page 149: Setup Error For Mcu Branch Part-Setup Error For Mcu Quantity Used
Address: 2 • Example of MCU address setting error ex) Two among three of MCU address was set to 0 Outdoor Unit PCB Quantity of Quantity of Indoor Unit Branch Indoor Unit: - MCU: 3 Branch Branch 4-32 Samsung Electronics...
Page 150: Mcu Branch Part Setup Error-Overlapping Indoor Unit Address Setup
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 MCU BOX #1 MCU PCB Branch A Samsung Electronics 4-33...
Page 151: Mcu Branch Part Setup Error_Set As Being Used Without Connection To An Indoor Unit
Branch A K3 button to reset or turn off to restart. MCU BOX #1 MCU PCB Branch A MCU BOX #1 MCU address setup MCU PCB Branch part use setup Indoor unit address Branch A Indoor unit 4-34 Samsung Electronics...
Page 152: 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 4-35...
Page 153: 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 Indoor Unit: 4 MCU: 1 4-36 Samsung Electronics...
Page 154: Mcu/Mcu Subcooler Entrance/Exit Sensor Error (Open/Short)
Temperature(°C) Resistance(KΩ) measure the resistance value between the 2 terminals. 12.1 18.0 Is the resistor value matching with 27.3 “NOTE1” table? 43.0 Replace this part as it is the defective itself. Restart operation after replace the PCB Samsung Electronics 4-37...
Page 155: Outdoor Temperature Sensor Error
12.1 18.0 CN43 (7, 8) Did the resistance 27.3 value significantly stray from the following 43.0 temperature table? Replace this since it is the defective of the outdoor temperature sensor itself. Restart operation after replace the PCB 4-38 Samsung Electronics...
Page 156: Cond Out Temperature Sensor Error (Open/Short)
CN43 (5, 6) 18.0 Did the resistance 27.3 value significantly stray from the following 43.0 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 4-39...
Page 157: Outdoor Cond Out Sensor Breakway Error
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 4-40 Samsung Electronics...
Page 158 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 Samsung Electronics 4-41...
Page 159: Compressor Discharge Or Top 1/2 Temperature Sensor Error
553.0 DIS2 : CN45 (3, 4) 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 4-42 Samsung Electronics...
Page 160: Compressor Discharge Or Top Temperature Sensor Breakway Error
Replace the PCB Temperature(°C) Resistance(KΩ) 11.2 18.5 32.0 59.0 TOP1 TOP2 200.0 242.0 TOP1 : CN43 (3, 4) TOP2 : CN45 (5, 6) 362.0 DIS1 : CN43 (1, 2) 553.0 DIS2 : CN45 (3, 4) Samsung Electronics 4-43...
Page 161: E269 : Suction Temperature Sensor Breakway Error
Re-insert the sensor. and sensor Holder accurately Re-attach the sensor holder. attached? Is Suction sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to the “Note 1” ) NOTE1 Temperature(°C) Resistance(KΩ) Replace the PCB 12.1 18.0 27.3 43.0 4-44 Samsung Electronics...
Page 162: High Pressure Sensor Error (Open/Short)
(Please check by connecting the Manifold gauge to the service valve) High pressure sensor Replace PCB terminal of PCB : Is the voltage between 3 and 4 pins 5V? The ▼ mark is the 1st pin on the PCB. Replace High Pressure sensor Samsung Electronics 4-45...
Page 163: Low Pressure Sensor Error (Open/Short)
(Please check by connecting the Manifold gauge to the service valve) Low pressure sensor terminal of PCB : Is the Replace PCB voltage between 3 and 4 pins 5V? The ▼ mark is the 1st pin on the PCB. Replace Low Pressure sensor 4-46 Samsung Electronics...
Page 164: Suction Temperature Sensor Error (Open/Short)
2 terminals. 12.1 SUCT 18.0 CN44 (1, 2) 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 4-47...
Page 165: Liquid Pipe Temperature Sensor Error (Open/Short)
LIQUID 12.1 CN45 (1, 2) 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. 4-48 Samsung Electronics...
Page 166: Evi In Temperature Sensor Error (Open/Short)
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 4-49...
Page 167: Evi Out Temperature Sensor Error (Open/Short)
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 4-50 Samsung Electronics...
Page 168: 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 4-51...
Page 169: 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 4-52 Samsung Electronics...
Page 170: 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. Samsung Electronics 4-53...
Page 171 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. 4-54 Samsung Electronics...
Page 172: 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 4-55...
Page 173 (filter etc.) Is there any leakage in the Liquid Pipe Valve or the discharge Replace relevant component check valve of the not-go-end Outdoor Unit when only some Outdoor Units are operating? Check the refrigerant amount. 4-56 Samsung Electronics...
Page 174: E416 : Suspension Of Starting Due To Compressure Discharge Temperature Sensor/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 4-57...
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. 4-58 Samsung Electronics...
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 Samsung Electronics 4-59...
Page 177: Evi Eev Open Error
Replace EVI EEV Abnormal Check for Intercooler leakage. Normal Replace Intercooler Abnormal Check for Indoor Unit EEV leakage Normal Replace Indoor Unit EEV Is there a liquid-gas pipe directly connected to each other? Reinstall pipe Check the refrigerant 4-60 Samsung Electronics...
Page 178: Refrigerant Leakage Error
Out of the PCB Pressure sensor terminals, is there voltage between Replace PCB pins 3 and 4 5V? The ▼ mark is the 1st pin on the PCB. Replace Pressure sensor Samsung Electronics 4-61...
Page 179: Prevention Of Heating/Cooling Operation Due To Outdoor Temperature
∙ Cooling operation : When the outdoor temperature is less than -25℃ Cause of ∙ System protection operation status (Is not breakdown) problem · If the outdoor temperature is satisfied the operating range, it will clear the error and start the operation automatically. 4-62 Samsung Electronics...
Page 180: Prevention Of Heating Refrigerant Charge Due To Outdoor Temperature
◑ ◑ display ※ ●: ON ◑: Flash ×: OFF Judgment • When the heating refrigerant charge : If the outdoor temperature is more than 15℃ Method Special Cause • System protection operation status (Is not breakdown) Samsung Electronics 4-63...
Page 181: Ch Wire Breaking Error
Fix the compressor Top temperature sensor in correct position. Is CCH resistance normal? (500~700 Ω /infinite for disconnection) Change CCH. Does the E445 error occur even after the outdoor unit K3” RESET? Normal Operation. Replace the PCB. 4-64 Samsung Electronics...
Page 182 Fix the compressor Top temperature sensor in correct position. Is CCH resistance normal? (500~700 Ω /infinite for disconnection) Change CCH. Does the E445 error occur even after the outdoor unit K3” RESET? Normal Operation. Replace the PCB. Samsung Electronics 4-65...
Page 183: Fan Starting Error
Motor (U ↔ V,V ↔ W,W ↔ U) less than 10Ω? Is the resistance between the body of FAN Motor Replace Fan Motor and chassis MΩ? Does the FAN Motor connection wire properly Check the connection wire connect? Replace Fan PCB 4-66 Samsung Electronics...
Page 184 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 FAN PCB < Figure 1 > Samsung Electronics 4-67...
Page 185: 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 4-68 Samsung Electronics...
Page 186: Momentary Blackout Error
※ ●: ON ◑: Flash ×: OFF Judgment ∙ Momentary stop of compressor due to momentary blackout. Method Cause of ∙ Momentary stop of compressor due to momentary blackout. problem 1. Precautions : Replace Hub PCB or Main PCB. Samsung Electronics 4-69...
Page 187: 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 4-70 Samsung Electronics...
Page 188: Fan Ipm Overheat Error
*Cold heat sink assembly defect occurs. Does the heatsink fixing bolt are tightened completely? 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 Samsung Electronics 4-71...
Page 189: 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. 4-72 Samsung Electronics...
Page 190 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 4-73...
Page 191: 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. 4-74 Samsung Electronics...
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 Samsung Electronics 4-75...
Page 193 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 4-76 Samsung Electronics...
Page 194 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 인버터 PCB < Figure 1 > Samsung Electronics 4-77...
Page 195: Overvoltage/Low Voltage Error
Is Inverter PCB R,S,T Wire and EMI PCB CN21 Power Off and then 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 4-78 Samsung Electronics...
Page 196: 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 4-79...
Page 197: 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 4-80 Samsung Electronics...
Page 198 ∙ Occurs when overcurrent flows in the IPM. Judgment Method ∙ Detected by H/W or S/W Cause of problem ∙ Defective FAN Motor 1. Cause of problem Power Off E489 E389 Replace No1 Fan motor Replace No2 Fan motor Samsung Electronics 4-81...
Page 199: Pcb Diagram And Parts List
5. PCB Diagram and Parts List ASS'Y PCB MAIN 12 13 Samsung Electronics...
Page 200 #4 : 12V #4 : AGND #5 : GND CN33-INDOOR COMM ⑬ ⑭ ⑮ CN34- UNUSED COMM 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 201 ASS'Y PCB MAIN (cont.) AM140/160/180/200/220/240/260/280/300KXV 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 202: Ass'y Pcb Main-Hub
5-2 ASS'Y PCB MAIN-HUB Samsung Electronics...
Page 203 #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 204 PCB Diagram and Parts List ASS'Y PCB MAIN-HUB (cont.) Samsung Electronics...
Page 205 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 206: Assy Pcb Inverter
5-3 ASSY PCB INVERTER - Model : AM080/100/120/140/160/180/200/220FXV AM080/100/120/140/160/180/200/220JXV , AM140/200/220KXVA AM140/180/200/220KXVG Samsung Electronics...
Page 207 #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...
Page 208 ASS’Y PCB INVERTER (cont.) - Model : AM240/260HXV , AM240/260JXV AM160/180/240/260/280/300KXVA AM160/240/260/280KXVG , AM080KXVS 5-10 Samsung Electronics...
Page 209 CN15-FAN DC LINK CN13-AC POWER R-INPUT R TOP 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 5-11...
Page 210: Ass'y Pcb Fan
5-4 ASS’Y PCB FAN - Model : 1-FAN chassis 5-12 Samsung Electronics...
Page 211 #8 : COMM-INV #7 : GND #7 : TMS #9 : GND-INV #9 : GND #10 : 5V ⑤ ⑥ U1-V1-W1 CN401-POWER #1 : FAN1-U #1 : DC 540V #2 : FAN1-V #2 : GND #3 : FAN1-W Samsung Electronics 5-13...
Page 212 ASS’Y PCB FAN (cont.) - Model : 2-FAN chassis 5-14 Samsung Electronics...
Page 213 #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 5-15...
Page 214: Ass'y Pcb Emi
④ CN23- INVERTER 220V CN21-FAN A CN22-MAIN 220 RST- RST INPUT #1 : AC #1 : R #1 : AC T-IN #2 : #2 : S #2 : AC S-IN #3 : AC #3 : T R-IN 5-16 Samsung Electronics...
Page 215 ASS’Y PCB EMI (cont.) - Model : AM240/260HXV , AM240/260JXV AM160/180/240/260/280/300KXVA AM160/240/260/280KXVG AM080KXVS Samsung Electronics 5-17...
Page 216 CN106-S OUT CN107-T OUT CN41-EARTH CN101-R IN #1 : S-OUT #1 : T-OUT #1 : EARTH (PE) #1 : R-IN ⑨ ⑩ ⑪ CN102-S IN CN103-T IN R-INPUT R TOP #1 : S-IN #1 : T-IN #1: R-IN 5-18 Samsung Electronics...
Page 217: Sub-Comm
④ ⑤ CN44 CN36 CN#44 CN45 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 Samsung Electronics 5-19...
Page 218: Wiring Diagram
Wiring Diagram 6. Wiring Diagram 6-1 AM080/100/120/140/160/180/200/220FXV , AM080/100/120/140/160/180/200/220JXV , AM140/200/220KXVA , AM140/180/200/220KXVG This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 219: Am080/100/120/200Fxwa
Wiring Diagram Wiring Diagram 6-2 AM080/100/120/200FXWA This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 220 Wiring Diagram Wiring Diagram 6-3 AM240/260HXV✳✳✳, AM240/260JXV✳✳✳, AM160/180/240/260/280/300KXVA✳✳, AM160/240/260/280KXVG✳✳, AM080KXVS✳✳ This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 221: Am080Jxvafh
Wiring Diagram Wiring Diagram 6-4 AM080JXVAFH This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 222: Am100/120Jxvafh
Wiring Diagram Wiring Diagram 6-5 AM100/120JXVAFH This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics 6-10...
Page 223: Am140/160/180/200Jxvafh
Wiring Diagram Wiring Diagram 6-6 AM140/160/180/200JXVAFH This Document can not be used without Samsung’s authorization. 6-11 Samsung Electronics Samsung Electronics 6-12...
Page 224: Am080/100/120/140/160/180/200/220Jxvajh
Wiring Diagram Wiring Diagram 6-7 AM080/100/120/140/160/180/200/220JXVAJH This Document can not be used without Samsung’s authorization. 6-13 Samsung Electronics Samsung Electronics 6-14...
Page 225: Cycle Diagram
Suction Temperature Sensor T_CO Cond. Out Temperature Sensor T_EI EVI In Temperature Sensor T_EO EVI Out Temperature Sensor Liquid Pipe Temperature Sensor T_CT Comp. Top Temperature Sensor Ambient Temperature Sensor SV_G Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
Page 226: Am160/180/200/220 Xvh
EVI In Temperature Sensor T_EO EVI Out Temperature Sensor Liquid Pipe Temperature Sensor T_CT Comp. Top Temperature Sensor Ambient Temperature Sensor SV_G Gas Pipe Service Valve SV_LG Low P. Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
Page 227: Am140 Xv Gr
EVI In Temperature Sensor T_EO EVI Out Temperature Sensor Liquid Pipe Temperature Sensor T_CT Comp. Top Temperature Sensor Ambient Temperature Sensor SV_G Gas Pipe Service Valve SV_LG Low P. Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
Page 228: Am080/100/120Fxwa
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 229: Am240/260Hxvagh/Eu
Cond In Temp. Sensor T_EI EVI In Temp. Sensor T_EO EVI Out Temp. Sensor Liquid Tube Temp. Sensor T_CT1 Comp. Top Temp. Sensor T_CT2 Comp. Top Temp. Sensor Ambient Temp. Sensor SV_G Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
Page 230: Am180/200/220Kxvg , Am200/220Kxva
Suction Temp. Sensor T_CO Cond Out Temp. Sensor T_EI EVI In Temp. Sensor T_EO EVI Out Temp. Sensor Liquid Tube Temp. Sensor T_CT Comp. Top Temp. Sensor Ambient Temp. Sensor SV_G Gas Pipe Service Valve SV_L Liquid Pipe Service Valve Samsung Electronics...
Page 231: Cooling Operation (H/R)
7-13 Cooling operation (H/R)
Page 232: Main Cooling Operation (H/R)
7-14 Main cooling operation (H/R)
Page 233: Heating Operation (H/R)
7-15 Heating operation (H/R)
Page 234: Main Heating Operation (H/R)
7-16 Main heating operation (H/R) 7-10...
Page 235: Cooling Operation (H/P)
7-17 Cooling operation (H/P) 7-11...
Page 236: Heating Operation (H/P)
7-18 Heating operation (H/P) 7-12...
Page 237: Cooling Operation(H/R) - Am080/100/120/200Fxwa
7-19 Cooling operation(H/R) AM080/100/120/200FXWA Samsung Electronics 7-13...
Page 238: Main Cooling Operation(H/R)
7-20 Main cooling operation(H/R) AM080/100/120/200FXWA 7-14 Samsung Electronics...
Page 239: Heating Operation(H/R)
7-21 Heating operation(H/R) AM080/100/120/200FXWA Samsung Electronics 7-15...
Page 240: Main Heating Operation(H/R)
7-22 Main heating operation(H/R) AM080/100/120/200FXWA 7-16 Samsung Electronics...
Page 241: 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. Samsung Electronics 7-17...
Page 242: Key Options
Outdoor unit address: No 4 Sub unit 3 Setting can be done from Main unit only. Ex) When 3 MCUs are installed → SW57: 3, SW57 Setting total number of connected MCU When 10 MCUs are installed → SW57: A Samsung Electronics...
Page 243 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 244 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 245 - 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 246 -- 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 247 -- 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 248: How To Set The Key Function Of The Outdoor Unit
When equivalent length of farthest is set) LEVEL 2 indoor unit from the outdoor unit is over 170m Disabled (Factory default) Energy saving mode triggers when Energy saving setting Main the room temperature reaches Enabled desired temperature while operating in heating mode. Samsung Electronics...
Page 249 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...
Page 250 (DMS, S-NET 3, etc) 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 Samsung Electronics...
Page 251 1 (Indoor unit is lower over 80m above the indoor than outdoor unit) unit Height difference type 2 When indoor unit is over 30 m (Outdoor unit is lower than above the outdoor unit indoor unit) 8-10 Samsung Electronics...
Page 252 Restrict excessive capacity Enabled (Factory default) Max capacity increase when operating Main restriction indoor units with small Disabled capacity. If the gas leak occurred it Disabled (Factory default) Gasleak Main should be entered in the Pumpdown Enabled pumpdown operation. Samsung Electronics 8-11...
Page 253 8-3 How to check the view mode using a tact switch AM080 260 XV 8-12 Samsung Electronics...
Page 254 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) Samsung Electronics 8-13...
Page 255 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 Address (No. 1 → 01) Indoor unit : "A" Indoor unit : "0" 8-14 Samsung Electronics...
Page 256: How To Check The View Mode Using A Tact Switch
'Discharge mode of DC link voltage'. Display on segment KEY operation (Number of press) 1 time Intialize (Reset) setting Same as initial state Samsung Electronics 8-15...
Page 257 8 times AUTO Indoor unit: “A” Indoor unit: “0” Address units MCU: “C” MCU: “1” (ex: 07) SEG4 SEG5 SEG6 9 times Manually assigned address of the units MANU Address Indoor unit: “A” Indoor unit: “0” (ex: 15) 8-16 Samsung Electronics...
Page 258: 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 259 - 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 260: 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 261: How To Troubleshoot Of The "Undetermined
- 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 262 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 263 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 264 /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 265 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 266 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 267 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 268 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 269 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 270 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 271: 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 272: Model Naming
J : 460V, 60Hz, 3Φ Ex. H : 2014 V : DVM Inverter J : 2015 W : Outodoor K : 2016 Grade A : Standard+General+Module G : High+General Temp.+Module H : High+Low temperature+Module S : Flagship+General Temp.+Module Samsung Electronics 9-15...
Page 273 China china.samsungportal.com © Samsung Electronics Co., Ltd. March 2016. This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No. AC-00003E_9...

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Samsung AM080xXV Series Service Manual

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

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