Samsung AG026TN1DKH Series Service Manual
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Samsung AG026TN1DKH Series Service Manual

Samsung AG026TN1DKH Series Service Manual

System airconditoner
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Fan Coil Unit
System Airconditoner
Fan Coil Unit
AG026/32MN1DEH/EU
AG042MN1DEH/EU
AG060/072/090/105MN4DKH/EU
AG060/072/090/105MN4PKH/EU
AG026/032/042TN1DKH/**
AG060/072/090/105AN4DKH/EU
Contents
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Reference Sheet

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Summary of Contents for Samsung AG026TN1DKH Series

  • Page 1 System Airconditoner Fan Coil Unit AG026/32MN1DEH/EU AG042MN1DEH/EU AG060/072/090/105MN4DKH/EU AG060/072/090/105MN4PKH/EU AG026/032/042TN1DKH/** AG060/072/090/105AN4DKH/EU Fan Coil Unit Contents 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram and Parts List 6. Wiring Diagram 7. Reference Sheet...

  • Page 2: Table Of Contents

    Contents 1. Precautions ......................1-1 1-1. Precautions for the Service ..........................1-1 1-2. Precautions for the Static Electricity and PL ....................1-1 1-3. Precautions for the Safety ..........................1-1 2. Product Specifications ..................2-1 2-1. Product Specifications ............................2-1 2-2. Specifications of optional items ........................2-7 2-2-1.
  • Page 3 Contents 5-1-8. Slim 1 way cassette type panel (Interior type) ....................5-14 5-1-9. Slim 1 way cassette type panel (Europe) ......................5-15 5-1-10. Small 4 way cassette type panel ........................5-16 5-1-11. Windfree 4 way cassette type panel ........................ 5-17 6. Wiring Diagram ..................... 6-1 6-1.

  • Page 4: Precautions

    1. Precautions 1-1. Precautions for the Service ● Use the standard parts when replacing the electric parts. – Confirm the model name, rated voltage, rated current of the electric parts. ● When repairing the equipment, connection of the harness parts must be firm and solid. –...

  • Page 5: Product Specifications

    2. Product Specifications 2-1. Product Specifications Model (Slim 1 way cassette type) Type 1Way Cassette 1Way Cassette 1Way Cassette Model AG026MN1DEH/EU AG032MN1DEH/EU AG042MN1DEH/EU Φ, #, V, Hz 1,2,220,60 1,2,220,60 1,2,220,60 Power Supply T1 (kW) 2.60 3.00 4.15 Cooling (Eurovent T1 (Btu/h) Cooling Capacity Condition) T3 (kW)
  • Page 6 Product Sepcifications Model (Wind Free 1Way Cassette) Model AG026TN1DKH/EU AG032TN1DKH/EU AG042TN1DKH/EU AG026TN1DKH/TK AG032TN1DKH/TK Φ, #, V, Hz 1,2,220~240,50/60 1,2,220~240,50/60 1,2,220~240,50/60 1,2,220~240,50/60 1,2,220~240,50/60 Power Supply Mode Heat Pump Heat Pump Heat Pump Heat Pump Heat Pump T1 (kW) 2.60 2.60 4.15 T1 (Btu/h) Cooling T3 (kW)
  • Page 7 Product Sepcifications Model (Wind Free 1Way Cassette) Model AG042TN1DKH/TK AG026TN1DKH/TS AG032TN1DKH/TS AG042TN1DKH/TS Φ, #, V, Hz 1,2,220~240,50/60 1,2,220~240,50/60 1,2,220~240,50/60 1,2,220~240,50/60 Power Supply Mode Heat Pump Heat Pump Heat Pump Heat Pump T1 (kW) 2.60 4.15 4.15 T1 (Btu/h) Cooling T3 (kW) Capacity A 1) (Nominal) T1 (kW)
  • Page 8 Product Sepcifications Model (Small / Medium 4 Way Cassette type) TYPE G4W/C-Small G4W/C-Small G4W/C-Mid G4W/C-Mid Model Name AG060MN4DKH/EU AG072MN4DKH/EU AG090MN4DKH/EU AG105MN4DKH/EU Φ, #, V, Hz 1,220,60 1,220,60 1,220,60 1,220,60 Power Supply T1 (kW) Cooling (Eurovent T1 (Btu/h) Cooling Capacity Condition) T3 (kW) Performance T1 (kW)
  • Page 9 Product Sepcifications Model (Small / Medium Windfree 4 Way Cassette type) TYPE Windfree 4W/C-Small Windfree 4W/C-Mid Model Name AG060AN4DKH/EU AG072AN4DKH/EU AG090AN4DKH/EU AG105AN4DKH/EU Φ, #, V, Hz 1,220,60 1,220,60 1,220,60 1,220,60 Power Supply T1 (kW) Cooling (Eurovent T1 (Btu/h) Cooling Capacity Condition) T3 (kW) Performance...
  • Page 10 Product Sepcifications Model (Small / Large 360 Cassette type) TYPE 360CST-Small 360CST-Large 360CST-Large 360CST-Large Model Name AG060MN4PKH/EU AG072MN4PKH/EU AG090MN4PKH/EU AG105MN4PKH/EU Φ, #, V, Hz 1,220,60 1,220,60 1,220,60 1,220,60 Power Supply T1 (kW) Cooling (Eurovent T1 (Btu/h) Cooling Capacity Condition) T3 (kW) Performance T1 (kW) 10.7...

  • Page 11: Specifications Of Optional Items

    Product Sepcifications 2-2. Specifications of optional items 2-2-1. Accessories Item Description Code No. Q’ty PC1NWSK1N Slim 1 way cassette PC1NWAK1N PC1BWSK1N Slim 1 way cassette PC1BWAK1N Front Panel PC1NWFMBN Wind Free 1Way Cassette PC1NWFMBNDZ PC1BWFMBN Wind Free 1Way Cassette PC1BWFMBNDZ PC4NUSK1N PC4NBSK1N Front Panel...
  • Page 12 Product Sepcifications Item Description Code No. Remark DMS2.5 MIM-D01AN Option Touch Centralized Controller MCM-A300N Option MCM-A202DN Onoff Controller Option Wi-Fi Kit MIM-H04N Option BACnet Gateway MIM-B17BN Option MIM-B16N Option (Pulse Interface Module) External Contact Interface Module MIM-B14 Option FCU Interface Module MIM-F10N Option Wireless Remote Controller...

  • Page 13: Disassembly And Reassembly

    3. Disassembly and reassembly ■ Necessary tools Item Remark +SCREW DRIVER MONKEY SPANNER -SCREW DRIVER NIPPER Electric drill...

  • Page 14: Fan Coil Unit

    Disassembly and Reassembly 3-1. Fan Coil Unit 3-1-1. 1-Way Cassette Type ■ AG026/032MN1DEH/EU Remark Parts Procedure PANEL and FILTER 1) Open by pressing the GRILLE’s PUSH button. NORMAL type (PC1NWSK1N PC1NWAK1N ) 2) Remove 1 clip from the PANEL and tilt the GRILLE 45 degrees to separate it from the PANEL.
  • Page 15 Disassembly and Reassembly Remark Parts Procedure 2) Press the left and right hooks on the PANEL to remove it from the fan coil unit.
  • Page 16 Disassembly and Reassembly Remark Parts Procedure Panel and FILTER 1) Open the GRILLE as shown in the figure. Interior type (PC1NWSK1 PC1NWSK2 PC1BWXK1 PC1BWXK2) 2) Remove the FILTER from the panel. 3) Remove the 3 COVER SCREWS. 4) Remove the 6 screws in the PANEL. (Use +Screw Driver) 5) Press the left and right hooks on the PANEL to remove it from the fan coil unit..
  • Page 17 Disassembly and Reassembly Remark Parts Procedure Panel and FILTER 6) Open the GRILLE and then raise the LINK LEVER (continued) switch (yellowish green) of both sides in the direction of the arrow and remove the LINK LEVER. [ASSY GRILLE INLET] [ASSY Panel FRONT] 7) Remove the COVER DISPLAY screws with an electric drill and remove the COVER DISPLAY.
  • Page 18 Disassembly and Reassembly Remark Parts Procedure Panel and FILTER 9) Remove the STEP MOTOR screws and remove the MOTOR. (continued) 10) Remove BLADE H.
  • Page 19 Disassembly and Reassembly Remark Parts Procedure DRAIN PAN 1) Remove the 5 screws of the DRAIN PAN (use +SCREWDRIVER). 2) Pull the DRAIN PAN and remove it from the fan coil unit. When removing the DRAIN PAN, be careful not to touch the heat exchanger pin with your bare hands.
  • Page 20 Disassembly and Reassembly Remark Parts Procedure 2) Remove the 8 connectors connected to the fan coil unit PCB. 3) Remove the ASSY CONTROL IN from the fan coil unit. DRAIN SUB 1) Press the DRAIN SUB’s HOOK to remove it.
  • Page 21 Disassembly and Reassembly Remark Parts Procedure Heat exchanger 1) Remove 1 screw from the heat exchanger. (use +SCREWDRIVER) 2) Remove the fan coil unit SENSOR from the heat exchanger. 3) Remove the heat exchanger from the fan coil unit. When turning on the cold/hot water after replacing the heat exchanger, make sure to open the air release valve to sufficiently remove air from inside the coil and pipe by...
  • Page 22 Disassembly and Reassembly Remark Parts Procedure 3) Remove the CROSS FAN from the fan coil unit. DRAIN PUMP 1) Remove 1 screw from the COVER DRAIN PUMP. (use +SCREWDRIVER) 2) Remove the DRAIN HOSE from the DRAIN Pump. 3) Remove the DRAIN PUMP from the fan coil unit. SPI KIT 1) Remove the SPI KIT from CABI IN.
  • Page 23 Disassembly and Reassembly ■ AG042MN1DEH/EU Remark Parts Procedure PANEL and FILTER 1) Open by pressing the GRILLE’s PUSH button. 2) Remove 1 clip from the PANEL and tilt the GRILLE 90 degrees to separate it from the PANEL. 3) Remove the FILTER from the PANEL. 4) Remove the 4 COVER SCREWS.
  • Page 24 Disassembly and Reassembly Remark Parts Procedure 6) Press the left and right hooks on the PANEL to remove it from the fan coil unit. DRAIN PUMP 1) Remove the 6 screws of the DRAIN PAN (use +SCREWDRIVER). 2) Remove the 2 hooks that fix the DRAIN PAN and remove it from the fan coil unit.
  • Page 25 Disassembly and Reassembly Remark Parts Procedure CONTROL IN 1) Remove the 3 screws of the ASSY CONTROL IN and remove the ASSY COVER CONTROL (use +SCREWDRIVER). 2) Remove the 8 connectors connected to the fan coil unit PCB. 3-13...
  • Page 26 Disassembly and Reassembly Remark Parts Procedure 1) Remove the ASSY CONTROL IN from the fan coil unit. DRAIN PUMP 1) Remove the 2 screws of the COVER DRAIN PUMP and remove it (use +SCREWDRIVER). 2) Loosen the BAND RING and remove the DRAIN HOSE from the DRAIN PUMP.
  • Page 27 Disassembly and Reassembly Remark Parts Procedure DRAIN SUB 1) Remove the DRAIN SUB’s screw (use +SCREWDRIVER). 2) Hold the DRAIN SUB HOOK and remove it. Heat exchanger 1) Remove 1 screw of the heat exchanger (use +SCREWDRIVER). 2) Remove the fan coil unit SENSOR from the heat exchanger.
  • Page 28 Disassembly and Reassembly Remark Parts Procedure 1) Remove the heat exchanger from the fan coil unit. When turning on the cold/hot water after replacing the heat exchanger, make sure to open the air release valve to sufficiently remove air from inside the coil and pipe by collecting the water using the tube before closing the valve.
  • Page 29 Disassembly and Reassembly Remark Parts Procedure 1) Remove the COVER FAN MOTOR from the fan coil unit. 2) Remove 1 screw of the CROSS FAN. 3) Remove the CROSS FAN from the fan coil unit. 3-17...
  • Page 30 Disassembly and Reassembly ■ AG026/032TN1DKH/** Remark Parts Procedure PANEL and 1) Open the GRILLE as shown in the figure. FILTER – 3 points WIND FREE type (PC1NWFMBN PC1NWFMBNDZ) 2) Remove the FILTER from the PANEL. 3) Remove the 3 COVER SCREW as shown in the figure.
  • Page 31 Disassembly and Reassembly Remark Parts Procedure PANEL and FILTER 6) Open the GRILLE and then separate the CLIP WIRE. (Continues) 7) Remove the screws fixed in COVER DISPLAY, COVER MOTOR RIGHT and then remove the COVER DISPLAY, COVER MOTOR RIGHT. (Use +Screw Driver) 8) Disconnect the connector.
  • Page 32 Disassembly and Reassembly Remark Parts Procedure PANEL and FILTER 9) Remove the 4 screws fixed in STEP MOTOR and then remove the MOTOR. (Use +Screw Driver) (Continues) 10) Remove the 4 HINGE and then separate the BLADE H. 11) Separate the SENSOR HUMIDITY. 12) Remove the 4 screws fixed in GUIDE AIR and then remove the GUIDE AIR.
  • Page 33 Disassembly and Reassembly ■ AG042TN1DKH/** Remark Parts Procedure PANEL and FILTER 1) Open the GRILLE as shown in the figure. WIND FREE type – 4 points (PC1BWFMBN PC1BWFMBNDZ) 2) Remove the FILTER from the PANEL. 3) Remove the 4 COVER SCREW as shown in the figure.
  • Page 34 Disassembly and Reassembly Remark Parts Procedure PANEL and FILTER 6) Open the GRILLE and then separate the CLIP WIRE. (Continues) 7) Remove the screws fixed in COVER DISPLAY, COVER MOTOR RIGHT and then remove the COVER DISPLAY, COVER MOTOR RIGHT. (Use +Screw Driver) 8) Disconnect the connector.
  • Page 35 Disassembly and Reassembly Remark Parts Procedure PANEL and FILTER 9) Remove the 4 screws fixed in STEP MOTOR and then remove the MOTOR. (Use +Screw Driver) (Continues) 10) Remove the 4 HINGE and then separate the BLADE H. 11) Separate the SENSOR HUMIDITY. 12) Remove the 5 screws fixed in GUIDE AIR and then remove the GUIDE AIR.
  • Page 36 Disassembly and Reassembly Remark Parts Procedure Drain Pan 1) Separate 5 fixing screws from the Drain Pan. (Use +Screw Driver) 2) Pull the Drain Pan to separate them from the Indoor Unit. When disassembling the Pan, be careful not to touch the heat exchanger board with a bare hand.
  • Page 37 Disassembly and Reassembly Remark Parts Procedure 2) Separate 8 connecters on the PCB of the Indoor Unit. 3) Separate the Control In from the Indoor Unit. Drain Sub 1) Push the hook on the Drain Sub to separate it. 3-25...
  • Page 38 Disassembly and Reassembly Remark Parts Procedure Heat Exchanger 1) Undo fixing screw in the Heat Exchanger. (Use +Screw Driver) 2) Separate an Indoor Sensor from the Heat Exchanger. 3) Separate the Heat Exchanger from the Indoor Unit. 1) Undo 3 fixing screws on the Cover Fan Motor. Cross Fan (Use +Screw Driver) 2) Separate the Cover Fan Motor from the Indoor Unit.
  • Page 39 Disassembly and Reassembly Remark Parts Procedure 3 Separate the Cross Fan from the Indoor Unit. Drain Sub 1) Separate fixing screw in the Cover Drain Pump. (Use +Screw Driver) 2) Separate the Drain Hose from the Drain Pump. 3) Separate the Drain Pump from the Indoor Unit. 3-27...

  • Page 40: 4-Way Cassette Type

    ■ AG060/072/090/105*N4DKH/EU Remark Parts Procedure 1) Press the handles on either side of the Samsung Panel logo together and pull the grille to open it. 2) Push up the green switch in the direction of the Open mark and then remove the white link from the panel.
  • Page 41 Disassembly and Reassembly Remark Parts Procedure 6) Remove the 4 bolts on the panel corner connected to the fan coil unit (use +SCREWDRIVER) 7) Press inward the hanger on either side of the panel while turning it 90 degrees to remove it from the fan coil unit.
  • Page 42 Disassembly and Reassembly Remark Parts Procedure Intake 1) Remove 1 screw from the Bell-Mouth (use +SCREWDRIVER) 2) Remove the Bell-mouth by pushing it in the opposite direction of placing the electronics board. Drain pan 1) Remove the screws located in the 4 corners of the fan coil unit (use +SCREWDRIVER) 2) Remove the Drain Pan from fan coil unit.
  • Page 43 Disassembly and Reassembly Remark Parts Procedure Drain pump and hose 1) After removing the 2 screws, remove the white drain hose from the drain pump (use +SCREWDRIVER). 2) Remove the transparent drain hose fixed on the side of the fan coil unit by removing the 2 screws and the taking the drain hose out of the fan coil unit (use +SCREWDRIVER).
  • Page 44 Disassembly and Reassembly Remark Parts Procedure Fan and motor 1) Turn the hexagonal nut on the top of the fan clockwise to remove it and then take the fan out of the motor (use MONKEY SPANNER). 2) Turn the 3 hexagonal nuts fastening the motor counter clockwise to remove them and then use your hand to take out the Motor Wire that is fastened in 3 spots to remove the motor (use...
  • Page 45 Disassembly and Reassembly Remark Parts Procedure 3) Remove 1 screw from the Cover Pipe fastening the In/Out Pipe to remove it (use +SCREWDRIVER). 4) Remove the heat exchanger from the fan coil unit cabinet. When turning on the cold/hot water after replacing the heat exchanger, make sure to open the air release valve to sufficiently remove air from inside the coil and pipe by...

  • Page 46: Circular Cassette Type

    Disassembly and Reassembly 3-1-3. Circular Cassette Type ■ AG060/072/090/105MN4PKH/EU Remark Parts Procedure ▶ Embedded-type panel Panel 1) Use some force pulling up the 4 corners of the panel to remove it. 2) Remove the 4 screws located on the 4 corners of the panel (use +SCREWDRIVER).
  • Page 47 Disassembly and Reassembly Remark Parts Procedure 4) Use some force to push the grille counter Panel clockwise 5) Take out the safety clip from inside the grille and completely separate the panel and fan coil unit. 6) Grab the filter with both hands and pull it upward to separate the grille and filter.
  • Page 48 Disassembly and Reassembly Remark Parts Procedure 1) Remove the screw connected to the top of the Controller fan coil unit (use +SCREWDRIVER)…. 2) ‘Put your fingers inside the hole labeled ‘PULL’ and lift it lightly to remove the cover. 3) After removing the screw, open the controller cover while avoiding the hanging structure shown in the image.
  • Page 49 Disassembly and Reassembly Remark Parts Procedure 4) Remove the connector connected to the Controller controller. 5) Remove the ground screw (use +SCREWDRIVER). 1) Remove the 3 screws (use +SCREWDRIVER). Upper cover and drain 2) Push the hanging structure to completely remove the cover.
  • Page 50 Disassembly and Reassembly Remark Parts Procedure 4) After taking out the fastened Booster fan connector, remove the connecting piece. 5) Remove the 4 screws (use +SCREWDRIVER). 6) Push the hanging structure to completely remove the cover. 3-38...
  • Page 51 Disassembly and Reassembly Remark Parts Procedure 7) Remove the screw to remove the display cover (use +SCREWDRIVER). 8) Remove the 2 screws (use +SCREWDRIVER). 9) Push the hanging structure to completely remove the cover. 10) Remove the 8 screws. (use +SCREWDRIVER). 11) Lift the top part of the fan coil unit to remove it from the main body.
  • Page 52 Disassembly and Reassembly Remark Parts Procedure 12) Remove the 3 screws (use +SCREWDRIVER). 13) Pull the hanging structure located on the side to completely remove the cover. 1) Remove the drain hose from the drain pump.. Drain pump and hose 3-40...
  • Page 53 Disassembly and Reassembly Remark Parts Procedure 2) Remove the 2 screws to remove the drain hose fastened at the bottom of the side of the fan coil unit (use +SCREWDRIVER). 1) Remove the hexagonal nut at the top of the Fan and motor fan to separate the fan from the motor (use Monkey spanner).
  • Page 54 Disassembly and Reassembly Remark Parts Procedure 1) Remove the screw on the fan coil unit main body Evaporator to remove the evaporator fastening structure (use +SCREWDRIVER). 2) Remove the screw on the fan coil unit main body and then pull the hanging structure to remove the pipe cover (use +SCREWDRIVER) When assembling, be careful of the protruding pipe hanging structure.
  • Page 55 Disassembly and Reassembly Remark Parts Procedure When turning on the cold/hot water after replacing the heat exchanger, make sure to open the air release valve to sufficiently remove air from inside the coil and pipe by collecting the water using the tube before closing the valve.

  • Page 56: Troubleshooting

    Trouble shooting 4. Troubleshooting 4-1. Set fan coil unit address and installation options ▶ Set the fan coil unit address and installation option with remote controller option. Set the each option separately since you cannot set the ADDRESS setting and fan coil unit installation setting option at the same time. You need to set twice when setting fan coil unit address and installation option.
  • Page 57 Trouble shooting 4-1-1-2. The procedure of setting option Option setting Status 1. Setting SEG2, SEG3 option Press Low Fan button(∧) to enter SEG2 value. Press High Fan button(∧) to enter SEG3 value. Each time you press the button, → → … → will be selected in rotation. SEG2 SEG3 2.
  • Page 58 Trouble shooting ■ The procedure of setting option (cont.) Option setting Status 11. Setting SEG14, SEG15 option Press Low Fan button(∧) to enter SEG14 value. Press High Fan button(∧) to enter SEG15 value. Each time you press the button, → → … → will be selected in rotation. SEG14 SEG15 12.
  • Page 59 Trouble shooting Check the option you have set Step 3 After setting option, press button to check whether the option code you input is correct or not. → → → → → ← ← ← ← Input option Step 4 Press operation button with the direction of remote control for set.

  • Page 60: Option Setting Procedure And Setting Method (360 Cassette Remote Controller Only)

    Trouble shooting 4-1-2. Option setting procedure and setting method (360 cassette remote controller only) 4-1-2-1. The procedure of setting option Entering the mode for Setting theoption values settingthe options Round Wheel [Temp] Button [Timer] Button Enter the mode for setting the options Step 1 a.
  • Page 61 Trouble shooting Steps Remote control display 1 Set the SEG2 and SEG3 values: a Set the SEG2 value by rotating the Wheel counterclockwise until the value you want to set appears on the remote control display. SEG2 b Set the SEG3 value by rotating the Wheel clockwise until the value you want to set appears on the remote control display.
  • Page 62 Trouble shooting Steps Remote control display 7 Set the SEG9 and SEG10 values: a Set the SEG9 value by rotating the Wheel counterclockwise until the value you want to set appears on the remote control display. SEG9 b Set the SEG10 value by rotating the Wheel clockwise until the value you want to set appears on the remote control display.
  • Page 63 Trouble shooting Steps Remote control display 13 Set the SEG16 and SEG17 values: a Set the SEG16 value by rotating the Wheel counterclockwise until the value you want to set appears on the remote control display. SEG16 b Set the SEG17 value by rotating the Wheel clockwise until the value you want to set appears on the remote control display.
  • Page 64 Trouble shooting Steps Remote control display 19 Set the SEG23 and SEG24 values: a Set the SEG23 value by rotating the Wheel counterclockwise until the value you want to set appears on the remote control display. SEG23 b Set the SEG24 value by rotating the Wheel clockwise until the value you want to set appears on the remote control display.

  • Page 65: Fan Coil Unit Address (Main/Rmc) Setting

    Trouble shooting 4-1-3. Fan Coil Unit Address (MAIN/RMC) Setting 1. Check whether or not power is being supplied to the fan coil unit. ▶ If power is not being supplied, a separate power supply device will be required. Fan coil unit 1(L) 2(N) 2.

  • Page 66: Fan Coil Unit Installation Option Setting (Setting Option To Suit Installation Site Conditions)

    Trouble shooting 4-1-4. Fan Coil Unit Installation Option Setting (setting option to suit installation site conditions) 1. Check whether or not power is being supplied to the fan coil unit. ▶ If power is not being supplied, a separate power supply device will be required. Fan coil unit 1(L) 2(N)
  • Page 67 Trouble shooting Option No. : 02XXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of robot Use of central Explaination Page Mode Use of external temperature sensor FAN RPM compensation cleaning control Details Use of Minimize Indication Details Indication Details Indication Details Indication Indication Details Indication Details external...
  • Page 68 Trouble shooting Option SEG19 SEG20 SEG21 SEG22 SEG23 Individual control Heating installation compensation Offset / Removing Human Explanation Page Human control control with remote control condensate water in the Heat mode Details Indication Details Indication Details Indication Indication Details Heating installation Removing condensate compensation Offset water in the Heat mode...
  • Page 69 Trouble shooting ■ Installation options for the 02 series (Wind Free 1Way Cassette) SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of external temperature sensor / Minimizing fan operation when thermostat is off SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Dew removal operation in Wind- Free mode / Auto Evaporator Use of drain pump Use of hot water heater...
  • Page 70 Trouble shooting Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Use of hot water Dew removal operation in Wind-Free mode / Auto Evaporator Drying Function Page Use of drain pump heater fan mode / Auto fan smart comfortable mode Dew removal Auto Evaporator Auto fan smart Indication Detail Indication Detail Indication Detail...
  • Page 71 Trouble shooting Option SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 External control output / External heater output Use of external Maximum filter Function Page / Cooling operation output / Cooling output by Buzzer control control usage time external equipment Detail Indication Detail Indication Detail Indication Indication Detail Indication Detail Setting the output External heater On...
  • Page 72 Trouble shooting ■ Installation options for the 02 series (Wind Free 4Way Cassette) SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Use of external temperature sensor Use of central Compensation of the Evaporator Drying / Minimizing fan control fan RPM operation when thermostat is off SEG7 SEG8...
  • Page 73 Trouble shooting SEG10 SEG11 SEG12 Option SEG7 SEG8 SEG9 Dew removal operation in Wind-Free mode / Auto Page Evaporator Drying fan mode / Auto fan smart Function Use of drain pump Use of hot water heater comfortable mode Dew removal Auto operation in Evaporator...
  • Page 74 Trouble shooting SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Option Heating setting compensation offset Individual control with Page / Removing condensated water in the Function Motion detection control remote control Heat mode Detail Removing Heating setting Indication Detail Indication Detail Indication Indication Detail condensated...
  • Page 75 Trouble shooting ■ Installation options for the 05 series SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 Control variable when Water valve control Valve control at Water pipe valve is Adjustable breeze using hot water heater type...
  • Page 76 Trouble shooting Installation options for the 05 series (detailed) Option No.: 05XXXX-1XXXXX-2XXXXX-3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Function Page Mode Indication Detail Indication Detail Indications and details Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Function Page Indication Detail Indications and details Option...
  • Page 77 Trouble shooting Option SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Displaying Timing separation of the water Choose whether to the cooling and heating Function Page temperaturerise Forced air speed for cooling / heating use Interface module signals for the water pipe prevention valve messages...

  • Page 78: Option Code Per Model

    Trouble shooting 4-1-5. Option code per model Static Item Model Pressure 13 14 17 18 19 20 21 22 23 24 AG026MN1DEH/EU Slim 1-Way AG032MN1DEH/EU cassette type AG042MN1DEH/EU Static Item Model Pressure 13 14 17 18 19 20 21 22 23 24 AG026TN1DKH/EU AG026TN1DKH/TK AG026TN1DKH/TS...

  • Page 79: What To Check Before Diagnosis

    4-2. What to check before diagnosis 4-2-1. Lamp combination expression method DISPLAY Slim 1-Way & 2-Way cassette type ■ ▶ Error detection and restart ■ 1. If an error occurs during operation, it will be indicated by a flickering LED and all operations excluding the LED will stop. ■...
  • Page 80 Trouble shooting ■ 4-Way & compact 4-Way cassette type ▶ Error detection and restart ■ 1. If an error occurs during operation, it will be indicated by a flickering LED and all operations excluding the LED will stop ■ 2. When restarting with the remote control or switch, the error mode will be determined after normal operation. ▶...
  • Page 81 Trouble shooting ■ Circular type cassette type ▶ LED lamp display during error detection LED display Error Abnormal operation code Yellow Blue blue green Power RESET (flickering every 2 seconds) ◑ × × × Indoor temperature Sensor Error (Open/short) E121 ◑...
  • Page 82 Trouble shooting ● On ◑ Flickering × Off ※ Display interval will be alternate flickering every 2 [SEC] for 2 colors (Ex 1[S]=yellow green on, 1[S]=red on) ※ Display interval will be alternate flickering every 3 [SEC] for 3 colors (Ex 1[S]=red on, 1[S]=ice blue on, 1[S]=yellow green on) Ice blue Yellow green...
  • Page 83 Trouble shooting ■ Diagnosis and adjustment (Error Code) ▶ Fan coil unit related Error Code Error mode Cause Explanation E-108 Error due to repeated address setting (When 2 or more devices have same address within the network) E-121 Indoor temperature sensor of fan coil unit (Open or Short) E-122 Eva in temperature sensor of fan coil unit (Open or Short) E-123...

  • Page 84: Appropriate Measures For Different Symptoms

    4-3. Appropriate Measures for Different Symptoms 4-3-1. Fan coil unit ROOM sensor error (OPEN/SHORT) Error number Duct, cassette (1-Way/2-Way/ 4-Way cassette type Wall mount type Circular cassette type Mini 4-Way) LED Indication r u n / Clean Defrost Timer stop Filter Fan coil unit 1-Way...

  • Page 85: Fan Coil Unit Evap In Sensor Error (Open/Short)

    Trouble shooting 4-3-2. Fan coil unit EVAP IN sensor error (OPEN/SHORT) Error number Duct, cassette (1-Way/2-Way/ 4-Way cassette type Wall mount type Circular cassette type Mini 4-Way) LED Indication r u n / Clean Defrost Timer stop Filter Fan coil unit 1-Way display Yellow...

  • Page 86: Fan Coil Unit Evap Out Sensor Error (Open/Short)

    Trouble shooting 4-3-3. Fan coil unit EVAP OUT sensor error (OPEN/SHORT) Error number Duct, cassette (1-Way/2-Way/ 4-Way cassette type Wall mount type Circular cassette type Mini 4-Way) LED Indication r u n / Clean Defrost Timer stop Filter Fan coil unit 1-Way display Yellow...

  • Page 87: Water Temperature Increase Prevention Error

    Trouble shooting 4-3-4. Water temperature increase prevention error Error number Duct, cassette (1-Way/2-Way/Mini 4-Way cassette type Wall mount type Circular cassette type 4-Way) LED Indication r u n / Clean Defrost Timer stop Filter Fan coil unit 1-Way display Yellow Yellow 18°C 21°C...

  • Page 88: Floating Switch Detection Of Fan Coil Unit Drain Pump

    Trouble shooting 4-3-5. : Floating Switch detection of fan coil unit Drain Pump Error number 4-Way cassette type Circular cassette type Duct, cassette (1-Way/2-Way/Mini 4-Way) LED Indication Clean run/stop Defrost Timer Filter 1-Way Fan coil unit display Yellow Yellow Blue blue green Blue...

  • Page 89: Fan Coil Unit Fan Operation Error

    Trouble shooting 4-3-6. Fan coil unit Fan operation error Error number Duct, cassette (1-Way/2-Way/Mini 4-Way cassette type Wall mount type Circular cassette type 4-Way) LED Indication r u n / Clean Defrost Timer stop Filter Fan coil unit 1-Way display Yellow Yellow 18°C...

  • Page 90: Eeprom Error

    Trouble shooting 4-3-7. EEPROM error Error number Duct, cassette (1-Way/2-Way/ 4-Way cassette type Wall mount type Circular cassette type Mini 4-Way) LED Indication r u n / Clean Defrost Timer stop Filter 1-Way Fan coil unit display Yellow Yellow 18°C 21°C Timer 24°C...

  • Page 91: Fan Coil Unit Remote Control Option Error

    Trouble shooting 4-3-8. Fan coil unit remote control option error Error number Duct, cassette (1-Way/2-Way/Mini 4-Way cassette type Wall mount type Circular cassette type 4-Way) LED Indication r u n / Clean Defrost Timer stop Filter Fan coil unit 1-Way display Yellow Yellow...

  • Page 92: Error Due To Confusion Between Use Of Fahrenheit And Celsius

    Trouble shooting 4-3-9. Error due to confusion between use of Fahrenheit and Celsius Error number Fan coil unit display ×(Operation) ◑(Time) ◑(Fan) ◑(Filter) ×(Defrost) ∙ Fan coil unit DISPLAY number method – E163 occurs, Lamp method – all lamps flash Criteria ∙Occurs in fan coil unit with Celsius setting Cause of problem...

  • Page 93: Pcb Diagram

    PCB Diagram 5. PCB Diagram 5-1. Fan Coil Unit 5-1-1. Slim 1 way cassette type (Medium)
  • Page 94 PCB Diagram Slim 1 way cassette type (Medium) (cont.) TB101-AC POWER CN101-EARTH CN701-FAN MOTOR CN140-FUSE CHECK #1: POWER(L) #1: EARTH #1: POWER(N) #1: FUSE CHECK SIGNAL #2: POWER(N) #3 : SSR MOTOR POWER(L) #2: GND #5 : POWER(N) CN414-HUMIDITY CN412-ROOM THERMISTOR CN501-DISPLAY CN801-SPI SENSOR(UNPLUGED)
  • Page 95 PCB Diagram Slim 1 way cassette type (Medium) (cont.) CN311-2 WIRE REMOT CN401-HUMAN SENSING CN804-VENTILATOR CN808-EEV(DVM) CONTROL #1: DC12V #1: WATER_VALVE1 #1: DC12V #2: VENT SIGNAL OUTPUT(GND) #2: WATER_VALVE2 #2: HUMAN SENSOR #3: NC COMM(TXD) #4: NC #3: HUMAN SENSOR #5~#6: DC12V COMM(RXD) #4: GND...
  • Page 96 PCB Diagram 5-1-2. Wind Free 1Way Cassette, Wind Free 4Way Cassette...

  • Page 97: Wind Free 1Way Cassette, Wind Free 4Way Cassette

    PCB Diagram Wind Free 1Way Cassette, Wind Free 4Way Cassette (cont.) CN809-AUTO UP/DOWN CN701-BLDC MOTOR TB101-AC POWER CN101-EARTH GRILLE #1: POWER(L) #1: EARTH #1: DC310V #1 : DC12V #2: POWER(N) #3 : GND #4 : REMOCON SIGNAL #4 : DC15V #5 : GND #5 : FAN RPM #6 : RPM FEEDBACK...
  • Page 98 PCB Diagram 5-1-3. Slim 1 way cassette type (Large), 4way casette type...

  • Page 99: Slim 1 Way Cassette Type (Large), 4Way Casette Type

    PCB Diagram Slim 1 way cassette type (Large), 4way casette type (cont.) TB101-AC POWER CN101-EARTH CN701-FAN MOTOR CN140-FUSE CHECK #1: POWER(L) #1: EARTH #1: DC310V #1: FUSE CHECK SIGNAL #2: POWER(N) #3 : GND #2: GND #4 : DC15V #5 : FAN RPM #6 : RPM FEEDBACK CN809-AUTO LIFT GRILL CN412-ROOM THERMISTOR...
  • Page 100 PCB Diagram Slim 1 way cassette type (Large), 4way casette type (cont.) CN311-2 WIRE REMOT CN401-HUMAN SENSING CN801-SPI TE04-COMMUNICATION CONTROL #1: DC12V #1: GND #1: COM1(F1) #2: HUMAN SENSOR COMM(TXD) #2: GND #2: COM1(F2) #3: HUMAN SENSOR COMM(RXD) #3: SPI POWER OUTPUT(DC12V) #3: V1(DC12V) #4: GND #4: V2(GND)
  • Page 101 PCB Diagram 5-1-4. Circular cassette type...

  • Page 102: Circular Cassette Type

    PCB Diagram Circular cassette type (cont.) TB100-AC POWER CN110-AC POWER CN111-AC POWER CN101-EARTH #1: POWER(L) #1: POWER(L) #1: POWER(N) #1: GND #2: POWER(N) CN900-BLDC MOTOR CN950-SUCTION FAN CN808-EEV(DVM) CN102-FUSE CHECK #1: DC310V #1: FUSE CHECK SIGNAL #1 #5 #9 : DC12V #1: WATER_VALVE1 #3 : GND #2: GND...

  • Page 103: Fcu Sub Pba

    PCB Diagram 5-1-5. FCU SUB PBA CN703-TO MAIN(VALVE CONTROL) CN701-POWER TB701-AC POWER OUTPUT #1: AC POWER L OR N #1: COMMON #1: WATER_VALVE1 #2: AC POWER N OR L #2: NORMAL OPEN_VALVE1 #2: WATER_VALVE2 #3: NORMAL CLOSE_VALVE1 #3: NC #4: COMMON #4: NC #5: NORMAL OPEN_VALVE2 #5~#6: DC12V...

  • Page 104: Circular Cassette Type Display

    PCB Diagram 5-1-6. Circular cassette type DISPLAY Model: PC4NUSK1N, PC4NUAK1N, PC4NUSK5N CN501-DISPLAY CN401-RECEIVER CN101-RECEIVER #1: BUZZER1 #1: DC12V #1: REMOCON OUTPUT SIGNAL #2: BUZZER2 #2: LED_9 #2: AUTO S/W #3: LED_1 #3: LED_10 #3: REMOCON INPUT SIGNAL #4: LED_2 #4: LED_11 #4: GND #5: LED_3 #5: LED_12...

  • Page 105: Slim 1 Way Cassette Type Panel (Normal)

    PCB Diagram 5-1-7. Slim 1 way cassette type panel (Normal) Model: PC1NWSK1N, PC1NWAK1N, PC1BWSK1N, PC1BWAK1N (Korea) PC1NUPMAN (Europe) CN101-DISPLAY #1: DC12V #8: REMOCON OUTPUT SIGNAL #2: LED_0 #9 : PANEL SELECTION #3: LED_1 #10: REMOCON INPUT SIGNAL #4: LED_2 #11: GND #5: LED_3 #12: DC5V #6: LED_4...

  • Page 106: Slim 1 Way Cassette Type Panel (Interior Type)

    PCB Diagram 5-1-8. Slim 1 way cassette type panel (Interior type) Model: PC1NWSK2N, PC1BWSK2N (Korea) PC1BWSK2N, PC1BWSMAN (Europe) CN101-DISPLAY CN101-RECEIVER #1: DC12V #1: REMOCON OUTPUT SIGNAL #2: LED_0 #2: AUTO S/W #3: LED_1 #3: REMOCON INPUT SIGNAL #4: LED_2 #4: GND #5: LED_3 #5: DC5V #6: LED_4...

  • Page 107: Slim 1 Way Cassette Type Panel (Europe)

    PCB Diagram 5-1-9. Slim 1 way cassette type panel (Europe) Model: PC1NUSMAN (Europe) CN101-DISPLAY #1: DC12V #8: REMOCON OUTPUT SIGNAL #2: LED_0 #9 : PANEL SELECTION #3: LED_1 #10: REMOCON INPUT SIGNAL #4: LED_2 #11: GND #5: LED_3 #12: DC5V #6: LED_4 #13: - #7: LED_5...

  • Page 108: Small 4 Way Cassette Type Panel

    PCB Diagram 5-1-10. Small 4 way cassette type panel Model: PC4NUSK1N, PC4NUAK1N, PC4NUSK5N (Korea) PC4NUSKAN, PC4NUSKEN, PC4NBSKAN (Europe) CN101-DISPLAY #1: DC12V #8: REMOCON OUTPUT SIGNAL #2: LED_0 #9 : PANEL SELECTION #3: LED_1 #10: REMOCON INPUT SIGNAL #4: LED_2 #11: GND #5: LED_3 #12: DC5V #6: LED_4...

  • Page 109: Windfree 4 Way Cassette Type Panel

    PCB Diagram 5-1-11. Windfree 4 way cassette type panel Model: PC4NUFMAN ① CN01-DISPLAY #1: DC12V #2: LED_Operation #3: LED_Defrost #4: LED_Timer #5: - #6: LED_Filter #7: - #8: Remocon Signal Out #9 : Panel Select #10: Remocon signal In #11: GND #12: DC5V #13: - 5-17...

  • Page 110: Wiring Diagram

    6. Wiring Diagram 6-1. Fan Coil Unit 6-1-1. Slim 1 way cassette (Medium_JSF1) This Document can not be used without Samsung’s authorization.

  • Page 111: Slim 1 Way Cassette (Small_Medium_Jsf2), 4 Way Cassette (G4Way)

    Wiring Diagram 6-1-2. Slim 1 way cassette (Small_Medium_JSF2), 4 way cassette (G4WAY) This Document can not be used without Samsung’s authorization.

  • Page 112: Wind Free 1Way Cassette

    Wiring Diagram 6-1-3. Wind Free 1Way Cassette This Document can not be used without Samsung’s authorization.

  • Page 113: Circular Cassette Type(360)

    Wiring Diagram 6-1-4. Circular cassette type(360) This Document can not be used without Samsung’s authorization.

  • Page 114: Wind Free 4Way Cassette

    Wiring Diagram 6-1-5. Wind Free 4Way Cassette This Document can not be used without Samsung’s authorization.

  • Page 115: Reference Sheet

    Reference Sheet 7. Reference Sheet 7-1. Index for Model Name 7-1-1. Fan Coil Unit Model Code (1) Product Classification (5) Feature Chiller / FAN COIL UNIT 1Way Cassette 2Way Cassette 4Way Cassette Interior type 4Way Cassette / 360 Cassette (2) Capacity x 1/10 kW (3 digits) (6)Detailed Classification Flagship...

  • Page 116: Panel

    Reference Sheet 7-1-2. Panel Model Code ★ Colo ★ ★...
  • Page 117 China china.samsungportal.com © Samsung Electronics Co., Ltd. August. 2021. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in Korea. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. AC-00195E_3...

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