Samsung AM053FXMDCH Service Manual
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Samsung AM053FXMDCH Service Manual

System air conditioner
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See also: Installation Manual
AIR CONDITIONER
Refer to the service manual in the GSPN(see the rear cover) for the more information.
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
AM036FXMDCH
AM048FXMDCH
AM053FXMDCH
AM060MXMDCH
CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet

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Summary of Contents for Samsung AM053FXMDCH

  • Page 1 SYSTEM AIR CONDITIONER OUTDOOR UNIT AM036FXMDCH AM048FXMDCH AM053FXMDCH AM060MXMDCH AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram 6. Wiring Diagram 7. Reference Sheet Refer to the service manual in the GSPN(see the rear cover) for the more information.

  • Page 2: Table Of Contents

    3-19. Output current sensor error of inverter PBA 1. (E-468) / Error due to input current of inverter 1. (E-485) / ................53 3-20. DC voltage sensor error of inverter PBA 1. (E-469) ................54 3-21. Compressor operation stop due to high pressure protection control. (E-407) ..... 55 Samsung Electronics...
  • Page 3 ■. Check Operation & Amount of Refrigerant Automatically Checking .... 88 1. Check Operation ................................88 1-1. Check Operation ..............................88 1-2. How to troubleshoot of the "Undetermined" ..................90 2. Automatic refrigerant amount detection function (Checking th amount of refrigerant) ....97 Samsung Electronics...

  • Page 4: 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 5: 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 6: Product Specifications

    High efficient G-Fin & epoxy acrylic coating has increased heat transfer and hydrophilicity on heat exchanger. Company A Diameter Ø8 Ø7 Heat transfer surface area Pressure Evaporation 14.1% loss in heat Condensation exchanger 10.3% Internal heat transfer performance 30.8% Pressure resistance Same Company A Samsung Electronics...
  • Page 7 Saturated liquid refrigerant Temperature Low temperature gas refrigerant 온도 Low temperature liquid refrigerant Cross section of the Cross section of the Sub-cooled conventional inter-cooler Turbo inter-cooler liquid refrigerant *Increased heat transfer area with Shell & Tube type Turbo Inter-cooler Samsung Electronics...
  • Page 8 Corrosion is evident after 1,000 hours of test Company A * Tested by Samsung Long piping/High level difference technology Longest piping length is allowed up to 175m (equivalent length) and Maximum 50m of level difference is allowed for more flexible installation.
  • Page 9 When outdoor unit needs to operate more silently during nighttime, silent mode can be set from the outdoor unit option mode. Silent mode can be adjusted in 3 levels depending on the level of noise. Highest temperature 6 hours 12 hours of silent mode Operation time 7 : 00 13 : 30 19 : 00 7 : 00 Samsung Electronics...
  • Page 10 Displaying 15 main data including high pressure of system - Outdoor temperature - Discharge temperature of the compressor - Condensing temperature Using the DIP switch on the outdoor unit PCB, you can limit the running current of the system Samsung Electronics...
  • Page 11 Convenient product installation Service valve is not exposed to keep the neat appearance and pipe can be connected in 4 different directions which provide flexible installation and maintenance services. Conventional * For models with 9kW or larger (Flare type connection) Samsung Electronics...

  • Page 12: Product Specifications

    2. Product Specifications Type Performance Btu/h 38,000 48,000 53,000 60,000 Model AM036FXMDCH AM048FXMDCH AM053FXMDCH AM060MXMDCH Power Supply(Φ/V/Hz) 1, 208~230, 60 1, 208~230, 60 1, 208~230, 60 1, 208~230, 60 Mode Cooling Btu/h 38,000 48,000 53,000 60,000 Performance Heating Btu/h 66,000...

  • Page 13: Disassembly And Reassembly

    ■ Disassembly and Reassembly 1. Necessary Tools Item Remark +Screw Driver Monkey Spanner –Screw Driver Nipper Electric Motion Driver L-Wrench Samsung Electronics...

  • Page 14: Disassembly And Reassembly

    Cabinet Front RH. (Use + Screw Driver) Cabi Top 1) Unscrew and remove 9 screws on each side of the Cabinet-Top. (Use +Screw Driver) Cabi Install Front 1) Unscrew and remove 1 screw in the Cabinet-Install Front. (Use +Screw Driver) Samsung Electronics...
  • Page 15 2) Unscrew and remove 4 screws in the Guard Cond. (Use + Screw Driver) Cabi Back RH 1) Pull the sensor from Cabi Back RH. 2) Unscrew and remove 4 screws on each side of the Cabinet Back RH. (Use + Screw Driver) Samsung Electronics...
  • Page 16 Parts Procedure Remark Cabi Install Back 1) Unscrew and remove 1 screw in the Cabinet-Install Back. (Use +Screw Driver) Cabi Front LF 1) Unscrew and remove 10 screws in the Cabinet-Front LF. (Use +Screw Driver) Samsung Electronics...
  • Page 17 Parts Procedure Remark Cabi Front LF 1) Turn 2 mounting nuts as shown in the picture and remove it. (Use L Wrench or Monkey Spanner or Socket Wrench ) Samsung Electronics...
  • Page 18 1) Separate the Fan Propeller. 2) Unscrew and remove the 8 Motor mounting screws. (Use +Screw Driver) 3) Disconnect the Motor wire from Ass’y Control Out. Bracket Motor 1) Unscrew and remove 2 mounting screws in Bracket Motor. (Use + Screw Driver) Samsung Electronics...
  • Page 19 Parts Procedure Remark Control Out 1) Disconnect 9 Connectors from Ass’y control Out. 2) Unscrew and remove 1 mounting screw in Control Out. (Use + Screw Driver.) 3) Separate Ass’y Control Out. Samsung Electronics...
  • Page 20 Ass'y Tube Suction 1) Separate 2 parts of the pipe using a welder. Ass'y Tube 4Way 1) Unscrew and remove 2 mounting screws in Oil Separator. (Use + Screw Driver.) 2) Separate 2 parts of the pipe using a welder. Samsung Electronics...
  • Page 21 1) Unscrew and remove 1 mounting nut in bottom of the cover. (Use Adjustable Wrench) 2) Separate the Compressor Felt. 3) As shown in the picture, unscrew and remove 3 mounting screws from the bottom. (Use L-Wrench or Monkey Spanner or Socket Wrench) Samsung Electronics...
  • Page 22 Parts Procedure Remark Cond Out 1) Unscrew and remove 3 screws on each side of the Ass’y Cond Out. (Use + Screw Driver) Samsung Electronics...

  • Page 23: Am060Mxmdch

    Cabinet Front RH. (Use + Screw Driver) Cabi Top 1) Unscrew and remove 8 screws on each side of the Cabinet-Top. (Use +Screw Driver) Cabi Install Front 1) Unscrew and remove 1 screw in the Cabinet Install Front. (Use +Screw Driver) Samsung Electronics...
  • Page 24 Disassembly and Reassembly Parts Procedure Remark Guard Cond 1) Pull the sensor from Guard Cond. 2) Unscrew and remove 4 screws in the Guard Cond. (Use + Screw Driver) Samsung Electronics...
  • Page 25 Disassembly and Reassembly Parts Procedure Remark Cabi Back RH 1) Pull the sensor from Cabi Back RH. 2) Unscrew and remove 4 screws on each side of the Cabinet Back RH. (Use + Screw Driver) Samsung Electronics...
  • Page 26 Remark Cabi Back RH 3) Unscrew and remove 5 screws on side of the Case Bracket valve. (Use + Screw Driver) Cabi Install Back 1) Unscrew and remove 1 screw in the Cabinet Install Front. (Use +Screw Driver) Samsung Electronics...
  • Page 27 Disassembly and Reassembly Parts Procedure Remark Cabi Front LF 1) Unscrew and remove 10 screws in the Cabinet-Front LF. (Use +Screw Driver) Samsung Electronics...
  • Page 28 Disassembly and Reassembly Parts Procedure Remark Cabi Front LF 1) Turn 2 mounting nuts as shown in the picture and remove it. (Use L Wrench orMonkey Spanner or Socket Wrench ) Samsung Electronics...
  • Page 29 1) Separate the Fan Propeller. 2) Unscrew and remove the 8 Motor mounting screws. (Use +Screw Driver) 3) Disconnect the Motor wire from Ass’y Control Out. Bracket Motor 1) Unscrew and remove 2 mounting screws in Bracket Motor. (Use + Screw Driver) Samsung Electronics...
  • Page 30 Control Out. (Use + Screw Driver.) 3) Separate Ass’y Control Out. Assy tube parts 1) Separate 5 parts of the pipe using a welder. 2) Unscrew and remove 1 mounting screws in Assy bracket valve. (Use + Screw Driver.) Samsung Electronics...
  • Page 31 3) Unscrew and remove 2 mounting screws in Bracket accume. (Use + Screw Driver.) 4) Separate the Assy TUBE 4way-accumulator. Compressor 1) As shown in the picture, unscrew and remove 4 mounting screws from the bottom. (Use L-Wrench or Monkey Spanner or Socket Wrench) Samsung Electronics...
  • Page 32 Disassembly and Reassembly Parts Procedure Remark Cond Out 1) Unscrew and remove 3 screws on each side of the Ass’y Cond Out. (Use + Screw Driver) Samsung Electronics...

  • Page 33: Troubleshooting

    ■ Troubleshooting 1. Error Display ERROR DISPLAY Samsung Electronics...

  • Page 34: Error Code

    Compressor operation stop due to abnormal compression ratio. EVI(ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI(ESC) E-438 EEV. E-439 Error due to refrigerant leakage. E-440 Heating mode restriction due to high air temperature. Samsung Electronics...
  • Page 35 E-563 Error due to module installation of indoor unit with old version(Micom version needs to be checked). E(P)-702 Error due to closed EEV of indoor unit(1st detection). E(P)-703 Error due to opened EEV of indoor unit(1st detection). Samsung Electronics...

  • Page 36: Appropriate Measures For Different Symptom

    Replace Inverter PCB. Whole system power reset - To solve the problem through the power reset after the address is reset the power reset of individual units is meaningless and the power of the whole system must be reset. Samsung Electronics...

  • Page 37: Communication Error Between Indoor And Outdoor Unit (E-201)

    Filter × ◑ ◑ × Indoor unit Display Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C × × × ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ Judgement Method Cause of problem Samsung Electronics...
  • Page 38 If there is no peculiarity, of the outdoor unit PCB, and change the PCB. then connect the indoor units one by one to nd the indoor unit that is interfering with the communication for inspection and change the indoor unit PCB. Samsung Electronics...

  • Page 39: Communication Error On All Pba Within The Outdoor Unit C-Box, Communication Cable Error. (E-205)

    Check the Main PCB : Main PCB TX circuit Inspection Is FAN PCB LD22, 32 ashes? * When performing the connector work, Please turn o the main power Replace main PCB. Samsung Electronics...

  • Page 40: Error On Outdoor Temperature Sensor Of Outdoor Unit (Short Or Open). (E-221)

    Did the resistance Replace this since it is the defective of value signicantly stray from the following the outdoor temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB. 12.1 18.0 27.3 43.0 Samsung Electronics...

  • Page 41: Error On Cond Out Temperature Sensor Of Main Outdoor Unit (Short Or Open). (E-231)

    Did the resistance Replace this part as it is the defective of the value signicantly stray from the following outdoor Cond Out sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB. 12.1 18.0 27.3 43.0 Samsung Electronics...

  • Page 42: Error On Discharge Temperature Sensor Of Compressor 1 (Short Or Open). (E-251)

    Did the resistance Replace this part as it is the defective of the value signicantly stray from the following compressor discharge or top temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) 11.2 Restart operation after replace the PCB. 18.5 32.0 59.0 Samsung Electronics...

  • Page 43: Discharge Temperature Sensor Of Compressor 1 Is Detached From The Sensor Holder On The Pipe. (E-262) / Top Sensor Of Compressor 1 Is Detached (E-266)

    Is the Discharge or Top temperature sensor and the sensor holder Re -insert sensor OR and re-attach sensor holder. correctly attached? Is the discharge or top temperature sensor resistance value Defective sensor : Replace sensor. reasonable? (Refer to E251) Complete. Samsung Electronics...

  • Page 44: Suction Temperature Sensor Is Detached From The Sensor Holder On The Pipe. (E-269)

    30 minutes to keep.(Judgment at heating operation only) Cause of problem Is Suction sensor and sensor Holder accurately Re-insert sensor OR and re-attach sensor holder. attached? Is Suction sensor resistance value reasonable? Defective sensor : Replace sensor. (Refer to E231 ) Complete. Samsung Electronics...

  • Page 45: Refrigerant Leakage Or Error On High Pressure Sensor (Short Or Open). (E-291)

    (Please check by connecting Refill refrigerant after vacuum. the manifold gageto the service valve) Out of the PCB High Pressure sensor terminals, is there Replace PCB. voltage between pins 3 and 4 5V? Replace High Pressure sensor. Samsung Electronics...

  • Page 46: Refrigerant Leakage Or Error On Low Pressure Sensor (Short Or Open). (E-296)

    ( Pleasecheck by connecting the manifold Refill refrigerant after vacuum. gage to the service valve) Out of the PCB Low Pressure sensor terminals, is there Replace PCB. voltage between pins 3 and 4 5V? Replace Low Pressure sensor. Samsung Electronics...

  • Page 47: Error On Suction Temperature Sensor (Short Or Open). (E-308)

    Did the resistance value signicantly stray from Replace this part as it is the defective the following temperature of the liquid pipe temperature sensor itself. table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB. 12.1 18.0 27.3 43.0 Samsung Electronics...

  • Page 48: Error On Temperature Sensor Of Double Layer Pipe

    Did the resistance Replace this part as it is the defective value signicantly stray from the following of the liquid pipe temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB. 12.1 18.0 27.3 43.0 Samsung Electronics...

  • Page 49: Error On Evi (Esc) In Temperature Sensor (Short Or Open). (E-321)

    Did the resistance Replace this part as it is the defective of the value signicantly stray from the following outdoor EVI in temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB. 12.1 18.0 27.3 43.0 Samsung Electronics...

  • Page 50: Error On Evi (Esc) Out Temperature Sensor(Short Or Open). (E-322)

    Did the resistance Replace this part as it is the defective of the value signicantly stray from the following outdoor EVI out temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB. 12.1 18.0 27.3 43.0 Samsung Electronics...

  • Page 51: Error Due To Operation Failure Of Fan1 (E-446)

    Criterion Remark Measure Measurement error can More than 3 MΩ the resistance values occur for reasons such as the initial measure- ment condenser discharge. Measured over at least Measure the diode 0.3 ~ 0.7V three times. voltage values Samsung Electronics...
  • Page 52 Motor (U less than 10 ? Is the resistance between the body of Replace Fan Motor. Fan Motor and chassis MΩ? Does the compressor Check the connection wire. connection wire properly connect? Replace Fan PCB. Samsung Electronics...

  • Page 53: Lock Error On Fan1 Of Outdoor Unit. (E-448)

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

  • Page 54: Error Due To Overheated Motor Of Outdoor Unit's Fan1. (E-453)

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

  • Page 55: Error Due To Overheated Ipm Of Fan1. (E-455)

    Is the bolt of the heat sink fully tightened? Tighten Bolt. Did check the Remove foreign objects and apply the heat sink foreign objects between the heat grease and then reassembly. sink and IPM? Complete. Samsung Electronics...

  • Page 56: Output Current Sensor Error Of Inverter Pba 1. (E-468) Error Due To Input Current Of Inverter 1. (E-485)

    Error due to input current of inverter 1. (E-485) Outdoor unit Display E-468 / E-485 Judgement Method 2.8V or 0.2V less than. Cause of problem Power Off Is Power connection Power Cable re-connection. accurately connected? E -468 / E -485 Replace FanP CB. Samsung Electronics...

  • Page 57: Dc Voltage Sensor Error Of Inverter Pba 1. (E-469)

    Did the Fuse is short? Replace Fuse. Is EMI PCB and Power Off and then re-connection. Inverter PCB accurately connected? Is Inverter PCB and Fan PCB DC -Link voltage connection wire Replace Fan PCB. accurately connected? Replace Inverter PCB. Samsung Electronics...

  • Page 58: Compressor Operation Stop Due To High Pressure Protection Control. (E-407)

    ◑ Indoor unit Display Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C × × ◑ ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ Judgement Method Cooling Operation Cause of problem Heating Operation Samsung Electronics...

  • Page 59: Compressor Operation Stop Due To Low Pressure Protection Control Or Refrigerant Leakage. (E-410)

    × × ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ Judgement Method Cause of problem use. (Operating outside temperature at -20°C or less for heating and operating outside temperature at -5°C or less for Cooling) Samsung Electronics...
  • Page 60 (lter etc.) Is there any leakage in the Liquid Pipe Valve or the discharge check Replace Low Pressure sensor. valve of the not-go-end Outdoor Unit when only some Outdoor Units are operating? Check the refrigerant amount. Samsung Electronics...

  • Page 61: Compressor Operation Stop Due To Discharge Temperature Protection Control. (E-416)

    Filter × ◑ ◑ ◑ Indoor unit Display Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C × × ◑ ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ Judgement Method Cause of problem Samsung Electronics...
  • Page 62 Are all service valves open? Open the Service Valve. Are the Indoor Unit Check the relevant EEV. and Outdoor Unit EEV normally operating ? Are there any blockage inside the pipe? Pipe inspection. ( lter etc.) Check the refrigerant amount. Samsung Electronics...

  • Page 63: Phase Reversal Or Phase Failure(3Ø Outdoor Unit Wiring, R-S-T-N), Connection Error On 3 Phase Input. (E-425)

    ◑ : ON : Flash ×: OFF ※ ● ◑ If the phase does not connect the power(no phase) : E425 or E466 (E366) is Judgement Method displayed (Air conditioner to maintain the normal state.) Cause of problem Samsung Electronics...
  • Page 64 Low voltage error during this initial charge : Did the EMI PCB Fuse is short? Replace Fuse, if the rectier diode of the inverter PCB is normal. Is EMI PCB CN21 connector and Inverter PCB accurately Connection and then restart it. connected? Replace Inverter PCB. Samsung Electronics...

  • Page 65: Phase Reversal Or Phase Failure(3Ø Outdoor Unit Wiring, R-S-T-N), Connection Error On 3 Phase Input. (E-428)

    Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C × × ◑ ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ lasts for 10 minutes or more. Judgement Method lasts for 10 minutes or more. Cause of problem Samsung Electronics...
  • Page 66 Are the 4Way Valve Check the 4Way Valve. normally operating ? Are the indoor unit and Check the relevant EEV. outdoor unit EEV normally operating? Compressor inspection Is current of compressor normally? Check the refrigerant. Complete. Samsung Electronics...

  • Page 67: Evi (Esc) Eev Leakage Or Internal Leakage Of Intercooler Or Incorrect Connector Insertion Of Evi (Esc) Eev. (E-438)

    Indoor unit Display Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C × × ◑ ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ Judgement Method Check Valve inserted opposite. Cause of problem the Gas Pipe. Samsung Electronics...
  • Page 68 . Breakdown Check the Intercooler Replace Intercooler. leakage. Breakdown Check the Indoor Unit EEV leakage. Replace Indoor Unit EEV. Check the Breakdown connectionfor Indoor Unit Pipe. Reinstall pipe. (Connect liquid pipe -gas pipe directly) Check the refrigerant. Samsung Electronics...

  • Page 69: Error Due To Refrigerant Leakage. (E-439) / Operation Prohibited Due To Low Pressure. (E-443)

    (Please check by connecting the Refill refrigerant after vacuum. manifold gauge to the service valve) Out of the PCB pressure sensor terminals, is there Replace PCB. voltage between pins 3 and 4 5V? Replace Low Pressure sensor. Samsung Electronics...

  • Page 70: Heating Mode Restriction Due To High Air Temperature. (E-440) Operation Prohibited Due To Low Pressure. (E-441)

    Filter × ◑ ◑ ◑ Indoor unit Display Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C × × ◑ ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ Judgement Method Cause of problem Samsung Electronics...

  • Page 71: Refrigerant Charging Restriction In Heating Mode When Air Temperature Is Over 15°C. (E-442)

    ◑ ◑ ◑ Indoor unit Display Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C × × ◑ ◑ ◑ : ON : Flash ×: OFF ※ ● ◑ Judgement Method than 15°C. Cause of problem Samsung Electronics...

  • Page 72: Cch Is Detached. (E-445)

    Is CCH resistancenormal? Change CCH. ( 500~700/infinite for disconnection ) Does the E445 error occur even after the outdoor unit power Normal Operation. is put back in? Change PCB. Samsung Electronics...

  • Page 73: Error Due To Operation Failure Of Inverter Compressor 1. (E-461)

    Is the resistance between the body of Replace Compressor. Compressor and chassis M Ω? Does the Compressor Check the connection wire. connection wire properly connect to (Check the status of the connection U V W) the compressor? Replace Inverter PCB. Samsung Electronics...

  • Page 74: Error Due To Operation Failure Of Inverter Compressor 1. (E-464)

    Is the resistance between the body of Replace Compressor. Compressor and chassis M Ω? Does the Compressor Check the connection wire. connection wire properly connect to (Check the status of the connection U V W) the compressor? Replace Inverter PCB. Samsung Electronics...

  • Page 75: Error Due To Over Voltage / Low Voltage Of Inverter Pba 1. (E-466)

    *Cold heat sink assembly defect occurs. Replace Inverter PCB and then restart it. Did the EMI PCB Fuse is short? * Check the 3 -phase sensing circuit part. Replace Fuse, if the rectier diode of the inverter PCB is normal. Samsung Electronics...

  • Page 76: Error Due To Overheat Caused By Contact Failure On Ipm Of Inverter Pba 1. (E-500)

    Tighten Bolt. (Screw) Did check the Remove foreign objects and apply the thermal foreign objects between the heat sink grease and then reassembly. and IPM? Did properly apply the thermal grease? Apply the thermal grease and then reassembly. Complete. Samsung Electronics...

  • Page 77: Outdoor Unit's Option Switch Setting Error. (E-560)

    : Change the setting after replace. Is the outdoor unit EEPROM accurately connected to Connect outdoor unit EEPROM and then reset. connector? Download relevant model EEPROM and then reset. Execute automatic commissioning for UP cancellation after EEPROM download Samsung Electronics...

  • Page 78: Pcb Diagram And Parts List

    ■ PCB Diagram 1. Outdoor Unit PCB - Main PCB: AM036/048/053FXMDCH 14 15 22 23 17 18 19 Samsung Electronics...
  • Page 79 CN401-HIGH P SENSOR SELECT COOLING ONLY #2: INPUT #1: INPUT #3: GND #3: GND #4: VCC #4: VCC CN303- ㉑ CN401-MID P SENSOR ㉒ CN302-COMM SUB PBA ㉓ ㉔ CN103-EARTH COM INDOOR UNIT #1: INPUT #2: GND #4: VCC Samsung Electronics...
  • Page 80 PCB Diagram 1. Outdoor Unit PCB (cont. - Main PBA: AM060MXMDCH Samsung Electronics...
  • Page 81 INDOOR OUDDOR UNIT COMMUNICATION SIGNAL CN304 - ㉒ DRED & UPPER CONTROL #1 : DRM1 #2 : DRM2 #3 : DRM3 #4 : C #5 : R1 : UPPER CTRL COMMUNICAITON SIGNAL #6 : R2 : UPPER CTRL COMMUNICAITON SIGNAL Samsung Electronics...
  • Page 82 #2 : COMP. V-phase(BLU) #3 : GND #3 : GND #3 : COMP. U-phase(YEL) #4 : DC 15V #4 : DC 15V #5 : FAN RPM #5 : FAN RPM #6 : FAN RPM feedback #6 : FAN RPM feedback Samsung Electronics...
  • Page 83 CN911 - FAN2 CN802 - EEV1 ⑨ ⑩ ⑪ #1: U OUTPUT #1: DC 310V #1: DC 310V #2: V OUTPUT #2: NC #2: NC #3: W OUTPUT #3: GND #3: GND #4~6: FAN CONTROL SIGNAL #4~6: FAN CONTROL SIGNAL Samsung Electronics...
  • Page 84 PCB Diagram 1. Outdoor Unit PCB (cont.) - EMI PCB : 1Phase: AM036/048/053FXMDCH L1-AC POWER L PHASE N1-AC POWER N PHASE CN01-AC POWER ① ② ③ L1 : BRN N1 : SKY-BLU #1-#3 : AC 220~240V Samsung Electronics...
  • Page 85 EARTH ① ② ③ #1 : L INPUT #1 : L INPUT #1 : EARTH CN403 - ④ ⑤ ⑥ TEMPERATURE SENSOR #1 : L OUTPUT #1 : N OUTPUT #1 : L OUTPUT #1 : N OUTPUT Samsung Electronics...

  • Page 86: Wiring Diagram

    ■ Wiring Diagram 1. AM036/048/053FXMDCH This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 87: Am060Mxmdch

    Wiring Diagram 2. AM060MXMDCH This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 88: Reference Sheet

    Tcout Sensor Tdis Filter Tsuc Filter Accumulator Accumulator Hot gas Hot gas Double pipe bypass out tube Main EEV temperature “A” ESC EEV Filt Filter Service V/V 9.52 AM036FXMDCH Name AM048FXMDCH AM053FXMDCH RD050MHXGA(EA) “A” Service V/V 15.88 19.05 Samsung Electronics...

  • Page 89: Am060Mxmdch

    Pressure Switch - High (PW_H) Electronic Expansion Thermistor - Discharge Valve - EVI (E_EVI) pipe (T_D) Thermistor - Compressor Top (T_CT) Thermistor - Compressor (COMP) Liquid pipe (T_L) Solenoid Valve - EVI (V_EVI) Ball Valve - Liquid pipe (SV_L) Samsung Electronics...

  • Page 90: Nomenclatures

    DVM PLUS2 (OUTDOOR) Mode COOLING ONLY HEAT PUMP HEAT RECOVERY Product Notation DVM PLUS (OUTDOOR) DVM Inverter (OUTDOOR) DVM SLIM (OUTDOOR) DVM GHP (OUTDOOR) DVM MONO (OUTDOOR) DVM WATER (OUTDOOR) DVM GEO(GEOTHERMAL) (OUTDOOR) DVM PLUS3 (OUTDOOR) DVM PLUS2 (OUTDOOR) Samsung Electronics...

  • Page 91: Check Operation & Amount Of Refrigerant Automatically Checking

    - 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. (6) Deliver this installation guide so that customer retain. Samsung Electronics...
  • Page 92 - Oblique line marked area in the during operation of the system can be protection control. (Check operation of normal judgment can be difficult by the protection control operation.) - If out of warranty coverage and the boundary area : Check operation judgment accuracy may be reduced. Samsung Electronics...

  • Page 93: How To Troubleshoot Of The "Undetermined

    Is deviations of the Indoor Unit Temperature sensors, less than 10℃? Complete [Caution] - If the Outdoor Unit with a history of operation (Automatic commissioning inclusion) : Must be carried out Automatic Commissioning after 1 hour from final operation stopped. Samsung Electronics...
  • Page 94 Outdoor Unit Temperature sensors, less than 1 0 ℃? Complete [Caution] - If the Outdoor Unit with a history of operation (Automatic commissioning inclusion) : Must be carried out Automatic Commissioning after 1 hour from final operation stopped. Samsung Electronics...
  • Page 95 Max Replace PCB /Min deviation : less than 2" Complete [Caution] - If the Outdoor Unit with a history of operation (Automatic commissioning inclusion) : Maintain the vacuum mode for more than 5 minutes. Samsung Electronics...
  • Page 96 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 97 (Assembly status, connector, Temperature(℃) resistance, etc.) 89.0 112.0 185.0 320.0 590.0 2000.0 2402.0 When commissioning, does maintain 3602.0 Indoor ventilation Thermo On status of Indoor Unit? 5503.0 Adjusts the refrigerant Is refrigerant in the system propely? (Addition / Emitted) Complete Samsung Electronics...
  • Page 98 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 Automatic Commissioning : If the continuous "Undetermined" is displayed. ) Complete Samsung Electronics...
  • Page 99 E503 Service Valve is closed Refer to "Service Valve" Dedicated Error Code E505 High pressure sensor breakdown Refer to "High/Low pressure sensor (Module installed)" E506 Low pressure sensor breakdown ※ Other error codes : Refer to Service Manual. Samsung Electronics...

  • Page 100: Automatic Refrigerant Amount Detection Function (Checking Th Amount Of Refrigerant)

    - Add 5% of the detected amount of refrigerant and restart the refrigerant amount detection operation. - Check if the refrigerant amount detection operation was executed within guaranteed temperature range. Execute trial operation to check if there's any other problems on the system. Samsung Electronics...
  • Page 101 North & Latin America gspn3.samsungcsportal.com China china.samsungportal.com This Service Manual is a property of Samsung Electronics Co., Ltd. © Samsung Electronics Co., Ltd. January. 2017. Any unauthorized use of Manual can be punished under applicable Printed in Korea. Code No. AC-00013E_2...

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