Samsung AM080FXMDGH Series Service Manual
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Samsung AM080FXMDGH Series Service Manual

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AIR CONDITIONER
SYSTEM AIR CONDITIONER
OUTDOOR UNIT
Model Code : AM080/090FXMDGH
AM080MXMDGH
AM080MXMDGC
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. Reference Sheet

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Summary of Contents for Samsung AM080FXMDGH Series

  • Page 1 SYSTEM AIR CONDITIONER OUTDOOR UNIT Model Code : AM080/090FXMDGH AM080MXMDGH AM080MXMDGC 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.

  • Page 2: Table Of Contents

    5-2 ASS’Y PCB INVERTER ............................114 5-3 ASS’Y PCB EMI ...............................116 5-4 SUB-COMM ..............................117 6. Wiring Diagram ..................118 6-1 AM080/090FXMDGH , AM080MXMDGH ................118 7. Cycle Diagram ....................... 119 7-1 Main heating operation(H/P) ........................119 7-2 Cycle Component Function Explanation ....................121 Samsung Electronics...
  • Page 3 Section 0 Contents 8. Key Options ....................122 8-1 Outdoor unit option switch settings ....................122 9. Reference Sheet ..................123 9-1 Model code index ............................123 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

    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 7 - 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 Samsung Electronics...

  • Page 8: Changes In Comparison To Basic Mode

    - Refrigerant cooling method Inverter PCB ← (Compressor - Magnet S/W Control PCB) Did Power Relay mount to PCB. 3 phase power EMI PCB ← EMI PCB - Fuse mount Communication Did Communication Terminal block ← Terminal block mount to PCB. Samsung Electronics...

  • Page 9: Structure Of Product (Dvm S Eco)

    Product Speci cations 2-1-3 Structure of product (DVM S ECO) Motor / Fan Control Box 4Way V/V ( Not available on cooling only model. ) Oil Separator Accumulator Heat Exchanger Gas Pipe Plate Heat Exchanger Compressor Liquid Pipe Samsung Electronics...

  • Page 10: 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...
  • Page 11 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...

  • Page 12: Accessory And Option Specifications

    4 ROOM (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 Samsung Electronics...

  • Page 13: Disassembly And Reassembly

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

  • Page 14: Disassembly And Reassembly

    1) Remove 3 screws. (use "+" screw driver) Top Cover 1) Remove 8 screws around cover. (use "+" screw driver) Cabi Front Install 1) Remove 1 screws (use "+" screw driver) and lift up to take off. Samsung Electronics...
  • Page 15 Remark Guard Cond 1) Take off the sensor. 2) Remove 4 screws. (use "+" screw driver) CABI BACK RIGHT 1) Take out the sensor wire through the hole on cabinet. 2) Remove 10 screws. (use "+" screw driver) Samsung Electronics...
  • Page 16 Disassembly and Reassembly Parts Procedure Remark CABI BACK RIGHT Cabi Back Install 1) Remove 1 screw. (using "+" screw driver) Samsung Electronics...
  • Page 17 Disassembly and Reassembly Parts Procedure Remark Cabi Front LF 1) Remove 10 screws. (using "+" screw driver) Samsung Electronics...
  • Page 18 (using "+" screw driver) 2) Pull out the connector on main pcb board. Bracket motor 1) Remove 2 screws to take off bracket cond. (using "+" screw driver) 2) Remove 2 screws on the base. (using "+" screw driver) Samsung Electronics...
  • Page 19 The follow step can be divided into 2 case 4) Case 1:Take off the control box directly without welding, a) Remove 2 screws that fix ing reactorwire. (using "+" screw driver) b) Pull out the connector as right pic. Samsung Electronics...
  • Page 20 2 screws that fix- ing pcb case. f) Band the handel of the case and take off the assy inverter pcb. (Reffer right pic) Becareful when take off inverter pcb;when reassemble should ensure the silicon grease thin and even Samsung Electronics...
  • Page 21 Discharge the refrigerant first; h) Weling two points as right picture;(using welding tool) 5) Remove 3 screws that fixing control box with partition and bracket valve. 6) Then you can take off the whole control box. Samsung Electronics...
  • Page 22 2) Separate 2 parts of the pipe using a welder Make sure the power is disconnected before work. Oil separator 1) Separate 2 parts of the pipe using a welder. 2) Unscrew and remove 2 mounting screws in oil separator. (Use + Screw Driver.) Samsung Electronics...
  • Page 23 Disassembly and Reassembly Parts Procedure Remark 4way valve 1) Separate 2 parts of the pipe using a welder. 2) Separate 2 parts of the pipe using a welder. Samsung Electronics...
  • Page 24 Disassembly and Reassembly Parts Procedure Remark 4way valve 3) Unscrew and remove 1 mounting screws in Assy bracket valve. (Use + Screw Driver.) 4) Unscrew and remove 2 mounting screws in Bracket accume. (Use + Screw Driver.) Samsung Electronics...
  • Page 25 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 26 Disassembly and Reassembly Parts Procedure Remark Compressor 1) Separate the flet from the compressor. 2) 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 27 Disassembly and Reassembly Parts Procedure Remark Main EEV 1) Separate 2 parts of the pipe using a welder. 2) Unscrew and remove 1 mounting screws in Bracket accume. (Use + Screw Driver.) Samsung Electronics...

  • Page 28: Dvm S Eco (Am080Fxmdgh ,Am080Fxmdgc )

    1) Remove 3 screws. (use "+" screw driver) Top Cover 1) Remove 8 screws around cover. (use "+" screw driver) Cabi Front Install 1) Remove 1 screws (use "+" screw driver) and lift up to take off. Samsung Electronics...
  • Page 29 Remark Guard Cond 1) Take off the sensor. 2) Remove 4 screws. (use "+" screw driver) CABI BACK RIGHT 1) Take out the sensor wire through the hole on cabinet. 2) Remove 10 screws. (use "+" screw driver) Samsung Electronics...
  • Page 30 Disassembly and Reassembly Parts Procedure Remark CABI BACK RIGHT Cabi Back Install 1) Remove 1 screw. (using "+" screw driver) Samsung Electronics...
  • Page 31 Disassembly and Reassembly Parts Procedure Remark Cabi Front LF 1) Remove 10 screws. (using "+" screw driver) Samsung Electronics...
  • Page 32 (using "+" screw driver) 2) Pull out the connector on main pcb board. Bracket motor 1) Remove 2 screws to take off bracket cond. (using "+" screw driver) 2) Remove 2 screws on the base. (using "+" screw driver) Samsung Electronics...
  • Page 33 The follow step can be divided into 2 case 4) Case 1:Take off the control box directly without welding, a) Remove 2 screws that fix ing reactorwire. (using "+" screw driver) b) Pull out the connector as right pic. Samsung Electronics...
  • Page 34 2 screws that fix- ing pcb case. f) Band the handel of the case and take off the assy inverter pcb. (Reffer right pic) Becareful when take off inverter pcb;when reassemble should ensure the silicon grease thin and even Samsung Electronics...
  • Page 35 Discharge the refrigerant first; h) Weling two points as right picture;(using welding tool) 5) Remove 3 screws that fixing control box with partition and bracket valve. 6) Then you can take off the whole control box. Samsung Electronics...
  • Page 36 Units must be released in advance . Oil separator 1) Separate 3 parts of the pipe using a welder. 2) Unscrew and remove 2 mounting screws in oil separator. (Use + Screw Driver.) Samsung Electronics...
  • Page 37 Disassembly and Reassembly Parts Procedure Remark Assy tube suction 1) Separate 4 parts of the pipe using a welder. Samsung Electronics...
  • Page 38 1) Separate 2 parts of the pipe using a welder. 2) Unscrew and remove 2 mounting screws in Bracket accume. (Use + Screw Driver.) 3) Unscrew and remove 1 mounting screws in oil separator. (Use + Screw Driver.) Samsung Electronics...
  • Page 39 Disassembly and Reassembly Parts Procedure Remark Assy tube 4way valve 1) Separate 5 parts of the pipe using a welder. Samsung Electronics...
  • Page 40 1) Separate 2 parts of the pipe using a welder. Assy tube lower 1) Separate 1 parts of the pipe pressure using a welder. 2) Unscrew and remove 2 mounting screws in Bracket valve. (Use + Screw Driver.) Samsung Electronics...
  • Page 41 Disassembly and Reassembly Parts Procedure Remark Assy tube subcooler 1) Separate 2 parts of the pipe using a welder. Assy tube main EEV 1) Separate 2 parts of the pipe using a welder. Samsung Electronics...
  • Page 42 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 43 Procedure Remark Compressor 1) Unscrew and remove 1 mounting screws from the top. 2) Disconnect the comp wire from the compressor. 3) Separate the flet from the compressor. 4) Separate 2 parts of the pipe using a welder. Samsung Electronics...
  • Page 44 Disassembly and Reassembly Parts Procedure Remark Compressor 5) 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 45 Disassembly and Reassembly [Reference Sheet] Pipe Welding Position AM080/090FXMDGH WELDING POSITION Q'ty 4WAY+OIL SEPA DISCHARGE+OIL SEPA DISCHARGE+COMP EEV OUT+TUBE COOLING TUBE COOLING+TUBE PHE IN TUBE EVI+ACCUM SUCTION+ACCUM 4WAY+TUBE CONNEROR TUBE CONNECTOR+COND IN SUCTION+COMP VAPOR INJECTION+COMP COND OUT+EEV IN Samsung Electronics...
  • Page 46 Disassembly and Reassembly [Reference Sheet] Pipe Welding Position AM080MXMDGH , AM080MXMDGC WELDING POSITION Q'ty SUCTION+ACCUM 4WAY+ACCUM TUBE COOLING+ TUBE SERVICE V/V TUBE COOLING+ TUBE EEV EVI TUBE DISCHARGE+COMP 4WAY+OIL SEPA SUCTION+COMP 4WAY+TUBE CONNEROR Samsung Electronics...

  • Page 47: Precaution When Replace The Compressor

    Leakage test by nitrogen gas and release all nitrogen gas from outdoor unit and evacuate again. Add an additional refrigerant to the system which was decided step 3. Open the service valve and choose Auto Trial Operation through pushing K1 switch in outdoor main PCB and hold 1 time. Samsung Electronics...
  • Page 48 GB052* : 31.7kg / GB066* : 35.5kg / GB070 : 36.8kg (including oil 1200cc) If broken compressor is 0.8kg or more lighter than new one, Oil return line is blocked. 2. Check the weight of oil lubricating part. (Assy. accumulator, Assy. oil separator) Samsung Electronics...

  • Page 49: 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...

  • Page 50: Troubleshooting

    4. Troubleshooting 4-1. Service Operation 4-1-1 Special Operation Samsung Electronics...
  • Page 51 Troubleshooting K1 button function K1 Control (Note 1) Not available on AM***FXM**C Series K2 button function “K” “9” XX Samsung Electronics...
  • Page 52 Troubleshooting K3 button function K4 button function Main version Fan 1 version FAN1 Fan 2 version FAN2 AUTO MANU AM080FXM✳ 87 °C 87 °C 87 °C Samsung Electronics...
  • Page 53 Troubleshooting How to display integrated error code A002 A002 U200 U200 C001 C002 Error code Samsung Electronics...
  • Page 54 Troubleshooting Samsung Electronics...
  • Page 55 Troubleshooting Samsung Electronics...
  • Page 56 Troubleshooting Refrigerant charging operation Trial Operation Samsung Electronics...
  • Page 57 Troubleshooting Heating pump out Pump down in cooling mode Samsung Electronics...
  • Page 58 Troubleshooting Discharge mode of DC link voltage Forced defrost operation Forced oil collection Samsung Electronics...
  • Page 59 Troubleshooting Checklist before auto trial operation CAUTION Checklist before auto trial operation Outdoor temperature ( °C) - - - - Cooling mode Heating mode Samsung Electronics...
  • Page 60 Troubleshooting Checklist before auto trial operation Auto trial operation 4-1-2 DVM S Eco Model EEPROM Code Table Samsung Electronics...

  • Page 61: Appropriate Measures For Different Symptom

    4-2 Appropriate Measures for Different Symptom Error due to repeated address setting (when 2 or more devices has same address within the network). (E-108) E-108 ◑ ◑ × × × ※ ● ◑ A000 A001 A002 A00 K3 reset Whole system power reset Samsung Electronics...
  • Page 62 Communication error between indoor and outdoor unit (E-201) (Installation number setting error repeated indoor unit address, indoor unit communication cable error.) E-201 ◑ ◑ × × × Filter ◑ × ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 63 Troubleshooting Communication error between indoor and outdoor unit (E-201) Samsung Electronics...
  • Page 64 Troubleshooting Communication error on all PBA within the outdoor unit C-Box, communication cable error. (E-205) E-205 ◑ ◑ × × × Filter ◑ × ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 65 Troubleshooting Communication error on all PBA within the outdoor unit C-Box, communication cable error. (E-206) E-206 ◑ ◑ × × × Filter ◑ × ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 66 Troubleshooting Error on outdoor temperature sensor of outdoor unit (Short or open). (E-221) E-221 ◑ ◑ × × × Filter ◑ × ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 67 Troubleshooting Error on COND OUT temperature sensor of main outdoor unit (Short or open). (E-231) E-231 ◑ ◑ × × × Filter ◑ × ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 68 Troubleshooting Error on discharge temperature sensor of compressor 1 (Short or open). (E-251) E-251 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 69 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) E-262 / E-266 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 70 Troubleshooting Suction temperature sensor is detached from the sensor holder on the pipe. (E-269) E-269 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 71 Troubleshooting Refrigerant leakage or error on high pressure sensor (Short or open). (E-291) E-291 ◑ ◑ × × × Filter ◑ ◑ × × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 72 Troubleshooting Refrigerant leakage or error on low pressure sensor (Short or open). (E-296) E-296 ◑ ◑ × × × Filter ◑ ◑ × × 27°C ◑ ◑ × × × ※ ● ◑ valve) Samsung Electronics...
  • Page 73 Troubleshooting Error on suction temperature sensor (Short or open). (E-308) E-308 ◑ ◑ × × × Filter ◑ ◑ × × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 74 Troubleshooting Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger) (Short or open). (E-311) E-311 ◑ ◑ × × × Filter ◑ ◑ × × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 75 Troubleshooting Error on EVI (ESC) IN temperature sensor (Short or open). (E-321) E-321 ◑ ◑ × × × Filter ◑ ◑ × × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 76 Troubleshooting Error on EVI (ESC) OUT temperature sensor(Short or open). (E-322) E-322 ◑ ◑ × × × Filter ◑ ◑ × × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 77 Troubleshooting Error due to operation failure of Fan2 (E-346) / Error due to operation failure of Fan1 (E-446) E-346 / E-446 Criterion Samsung Electronics...
  • Page 78 Troubleshooting Error due to operation failure of Fan2 (E-346) / Error due to operation failure of Fan1 (E-446) Samsung Electronics...
  • Page 79 Troubleshooting Motor wire of Fan2 is not connected. (E-347) E-347 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 80 Troubleshooting Lock error on Fan2 of outdoor unit. (E-348) / Lock error on Fan1 of outdoor unit. (E-448) E-348 / E-448 Samsung Electronics...
  • Page 81 Troubleshooting Error due to overheated motor of outdoor unit's Fan2 (E-353) / Error due to overheated motor of outdoor unit's Fan1. (E-453) E-353 / E-453 Samsung Electronics...
  • Page 82 Troubleshooting Error due to overheated IPM of Fan2. (E-355) / Error due to overheated IPM of Fan1. (E-455) E-355 / E-455 Samsung Electronics...
  • Page 83 Troubleshooting Error due to overcurrent of Fan2. (E-378) /V-limit error on Fan2 of compressor. (E-389) / Error due to overcurrent of Fan1. (E-478) / V-limit error on Fan1 of compressor. (E-489) E-378 / E-389 / E-478 / E-489 Samsung Electronics...
  • Page 84 Troubleshooting Hall IC connection error of Fan2 (E387) / Hall IC connection error of Fan1. (E487) E-387 / E-487 Samsung Electronics...
  • Page 85 Output current sensor error of Fan2. (E-393) / Output current sensor error of inverter PBA 1. (E-468) / Error due to input current of inverter 1. (E-485) / Output current sensor error of Fan1. (E-493) E-378 / E-389 / E-478 / E-489 Samsung Electronics...
  • Page 86 Troubleshooting DC voltage sensor error of Fan2. (E-396) / DC voltage sensor error of inverter PBA 1. (E-469) / DC voltage sensor error of Fan1. (E-496) E-396 / E-469 / E-496 Samsung Electronics...
  • Page 87 Troubleshooting Heat sink temperature sensor error of Fan2. (E-399) E-399 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 88 Troubleshooting Compressor operation stop due to high pressure protection control. (E-407) E-407 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Cooling Operation Heating Operation Samsung Electronics...
  • Page 89 Troubleshooting Compressor operation stop due to low pressure protection control or refrigerant leakage. (E-410) E-410 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ × × × ※ ● ◑ Samsung Electronics...
  • Page 90 Troubleshooting Compressor operation stop due to low pressure protection control or refrigerant leakage. (E-410) Samsung Electronics...
  • Page 91 Troubleshooting Compressor operation stop due to discharge temperature protection control. (E-416) E-416 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 92 Troubleshooting Compressor operation stop due to discharge temperature protection control. (E-416) Samsung Electronics...
  • Page 93 Troubleshooting Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N), connection error on 3 phase input. (E-425) E-425 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 94 Troubleshooting Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N), connection error on 3 phase input. (E-425) Samsung Electronics...
  • Page 95 Troubleshooting Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N), connection error on 3 phase input. (E-428) E-428 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 96 Troubleshooting Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N), connection error on 3 phase input. (E-428) Samsung Electronics...
  • Page 97 EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI (ESC) EEV. (E-438) E-438 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 98 Troubleshooting EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI (ESC) EEV. (E-438) Samsung Electronics...
  • Page 99 Troubleshooting Error due to refrigerant leakage. (E-439) / Operation prohibited due to low pressure. (E-443) E-439 / E-443 Pressure sensor Open/Short error determination method valve) Samsung Electronics...
  • Page 100 Heating mode restriction due to high air temperature. (E-440) / Operation prohibited due to low pressure. (E-441) E-440 / E-441 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 101 Troubleshooting Refrigerant charging restriction in heating mode when air temperature is over 15°C. (E-442) E-442 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 102 Troubleshooting CCH is detached. (E-445) E-445 ◑ ◑ ◑ × × Filter ◑ ◑ ◑ × 27°C ◑ ◑ ◑ × × ※ ● ◑ Samsung Electronics...
  • Page 103 Troubleshooting Error due to operation failure of inverter compressor 1. (E-461) E-461 Samsung Electronics...
  • Page 104 Troubleshooting Error due to operation failure of inverter compressor 1. (E-464) E-464 / E-465 Samsung Electronics...
  • Page 105 Troubleshooting Error due to over voltage / low voltage of inverter PBA 1. (E-466) E-466 Samsung Electronics...
  • Page 106 Troubleshooting Over-voltage/low-voltage error of Fan1. (E-486) E-486 Samsung Electronics...
  • Page 107 Troubleshooting Error due to overheat caused by contact failure on IPM of inverter PBA 1. (E-500) E-500 Both end resistance values of IGBT module pin(8, 9 pin) 9000 3000 2000 1200 Samsung Electronics...
  • Page 108 Troubleshooting Outdoor unit’s option switch setting error (Using E2P option of other models or emergency operation for compressor malfunction option setting was enabled on all compressors of corresponding outdoor unit). (E-560) E-560 Samsung Electronics...
  • Page 109 Troubleshooting Outdoor unit’s option switch setting error (Using E2P option of other models or emergency operation for compressor malfunction option setting was enabled on all compressors of corresponding outdoor unit). (E-563) E-563 Samsung Electronics...
  • Page 110 Troubleshooting Error due to using single type outdoor unit in a module installation. (E-573) E-573 Samsung Electronics...

  • Page 111: Pcb Diagram And Parts List

    5. PCB Diagram and Parts List ASS'Y PCB MAIN AM080/090FXMDGH , AM080MXMDGH , AM080MXMDGC Samsung Electronics...
  • Page 112 #1 : EEV1_B'_OUT #1 : #1 : EVI BYPASS #1 : HOTGAS BYPASS #2 : EEV1_A'_OUT #2 : GND #2 : #2 : N #3 : EEV1_B_OUT #3 : N #4 : EEV1_A_OUT #5 : 12V #6 : 12V Samsung Electronics...
  • Page 113 #15 : F_SCLK #16 : F_SDAT #17 : GND #18 : TRACE_2 #19 : TRACE_1 #20 : TRACE_0 CN301-EEPROM PBA #1 : GND #2 : #3 : VCC #4 : EEPROM_SELECT #5 : EEPROM_SO #6 : EEPROM_SI #7 : EEPROM_CLOCK Samsung Electronics...

  • Page 114: Ass'y Pcb Inverter

    PCB Diagram and Parts List 5-2 ASS’Y PCB INVERTER Samsung Electronics...
  • Page 115 #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 CN13 - ACPOWER #1 : AC #2 : #3 : AC Samsung Electronics...

  • Page 116: Ass'y Pcb Emi

    ③ 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 Samsung Electronics...

  • Page 117: Sub-Comm

    ③ 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...

  • Page 118: Wiring Diagram

    YEL / GRN (BLK) 1 2 3 CN45 WHT BLK BRN SKYBLU CN77 (WHT) (WHT) CN36 CN55 (BLU) COMM PCB (RED) BRN SKYBLU CN44 (YEL) INDOOR-OUTDOOR SOLUTION 3 PHASE POWER COMM This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 119: Cycle Diagram

    Full name Abbreviation Diameter(Outside) Diameter(Outside) Piping distinction Piping distinction...
  • Page 120 Solenoid Switch – High (V_HG) IPM Cooler Valve- (PW_H) Thermistor- (IPMC) Sub cooler Discharge pipe Out (T_SCO) Accumula Thermistor – (T_D) tor (AC) Compressor (T_CT) Compressor Compressor (COMP) Thermistor -Liquid pipe (T_L) Service Valve - Liquid pipe (SV_L) Samsung Electronics...

  • Page 121: 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...

  • Page 122: Key Options

    ■ Setting outdoor unit key function Switch Setting Function Remarks Not applicable Enable maximum capacity restriction for cooling Restrict excessive capacity increase when operating indoor operation units with small capacity Disable maximum capacity restriction for cooling SW53 operation Not applicable Not applicable Samsung Electronics...

  • Page 123: Reference Sheet

    Standard + General temp. + Non module Model grade Standard + Tropical + Non module 380 ~ 415 V, 50 Hz, 3 Phase Power 380 V, 60 Hz, 3 Phase Mode Heat pump (R410a) CHINA EUROPE PHILIPPINES Buyer INDIA TURKEY MIDDLE EAST SAUDI ARABIA Samsung Electronics...
  • Page 124 China china.samsungportal.com © Samsung Electronics Co., Ltd. February. 2017. 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-00179E_1...

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