Samsung AG026MN1DEH/EU Service Manual
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Samsung AG026MN1DEH/EU Service Manual

Fan coil unit
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See also: User Manual
Fan Coil Unit
System Airconditoner
Fan Coil Unit
AG026/32MN1DEH/EU
AG042MN1DEH/EU
AG060/072/090/105MN4DKH/EU
AG060/072/090/105MN4PKH/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 AG026MN1DEH/EU

  • Page 1 System Airconditoner Fan Coil Unit AG026/32MN1DEH/EU AG042MN1DEH/EU AG060/072/090/105MN4DKH/EU AG060/072/090/105MN4PKH/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. Precautions for the Service................................1-2. Precautions for the Static Electricity and PL ..........................1-3. Precautions for the Safety ................................2. Product Specifications ................................2-1. Product Specifications ..................................2-2. Specifications of optional items ..............................2-2-1. Accessories ....................................3.
  • Page 3 Contents 5. PCB Diagram .................................... 5-1 5-1. Fan Coil Unit ......................................5-1 5-1-1. Slim 1 way cassette type (Medium) ..........................5-1 5-1-2. Slim 1 way cassette type (Large), 4way casette type .................... 5-4 5-1-3. Circular cassette type ................................ 5-7 5-1-4. FCU SUB PBA .................................. 5-9 5-1-5. Circular cassette type DISPLAY ............................ 5-10 5-1-6. Slim 1 way cassette type panel (Normal) ........................ 5-11 5-1-7. Slim 1 way cassette type panel (Interior type)...................... 5-12 5-1-8. Slim 1 way cassette type panel (Europe) ........................ 5-13 5-1-9. Small 4 way cassette type panel ............................. 5-14 6. Wiring Diagram .................................. 6-1 6-1. Fan Coil Unit ......................................6-1 6-1-1. Slim 1 way cassette (Medium_JSF1) ..........................

  • 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. – A loose connection may cause noise or other malfunction.zzz ●...

  • 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 Power Supply Φ, #, V, Hz 1,2,220,60 1,2,220,60 1,2,220,60 T1 (kW) 2.60 3.00 4.15 Cooling Cooling (Eurovent...
  • Page 6 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 Power Supply Φ, #, V, Hz 1,220,60 1,220,60 1,220,60 1,220,60 T1 (kW) Cooling Cooling Capacity (Eurovent T1 (Btu/h) Condition) T3 (kW) Performance T1 (kW) 10.7 Heating Heating Capacity (Eurovent T1 (Btu/h)
  • Page 7 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 Power Supply Φ, #, V, Hz 1,220,60 1,220,60 1,220,60 1,220,60 T1 (kW) Cooling Cooling (Eurovent T1 (Btu/h) Capacity Condition) T3 (kW) Performance T1 (kW) 10.7 "Heating Heating (Eurovent T1 (Btu/h)

  • Page 8: 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 Front Panel PC1BWSK1N Slim 1 way cassette PC1BWAK1N PC4NUSK1N Front Panel PC4NBSK1N (4 way cassette, General) PC4NSSK1N PC4NUSK5N Front Panel PC4NUAK1N (4 way cassette, Automatic lift) Buried Panel...
  • Page 9 Product Sepcifications Item Description Code No. Q’ty Remark AST-EP01D S-NET CLOUD Option AST-EP05D DMS2.5 AIM-D01AN Option BACnet G/W AIM-B17BN Option External Contact Interface Module AIM-B14 Option ON/OFF Controller ACM-A202DN Option Touch Central Controller ACM-A300N Option FCU Interface Module AIM-F10N Option Power Monitoring Interface Module AIM-B12N Option...

  • Page 10: Disassembly And Reassembly

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

  • Page 11: Fan Coil Unit

    Disassembly and Reassembly 3-1. Fan Coil Unit 3-1-1. 1-Way Cassette Type ■ AG026/032MN1DEH/EU Parts Procedure Remark 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 12 Disassembly and Reassembly Parts Procedure Remark 2) Press the left and right hooks on the PANEL to remove it from the fan coil unit.
  • Page 13 Disassembly and Reassembly Parts Procedure Remark 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 2 COVER SCREWS. 4) Remove the 5 screws on the panel and remove it from the fan coil unit .
  • Page 14 Disassembly and Reassembly Parts Procedure Remark 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 15 Disassembly and Reassembly Parts Procedure Remark Panel and FILTER 9) Remove the STEP MOTOR screws and remove the MOTOR. (continued) 10) Remove BLADE H.
  • Page 16 Disassembly and Reassembly Parts Procedure Remark DRAIN PAN 1) Remove the 5 screws of the DRAIN PAN (use +SCREWDRIVER). 2) Pull the DRAIN PAN and remove it from the pan coil unit. When removing the PAN, be careful not to touch the heat exchanger pin with your bare hands.
  • Page 17 Disassembly and Reassembly Parts Procedure Remark 2) Remove the 8 connectors connected to the fan coil unit PCB. 3) Remove the electronics board from the fan coil unit. DRAIN SUB 1) Press the DRAIN SUB’s HOOK to remove it.
  • Page 18 Disassembly and Reassembly Parts Procedure Remark 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 19 Disassembly and Reassembly Parts Procedure Remark 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) SSW remove the DRAIN PUMP from the fan coil unit.

  • Page 20: Ag042Mn1Deh/Eu

    Disassembly and Reassembly AG042MN1DEH/EU ■ Parts Procedure Remark 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 21 Disassembly and Reassembly Parts Procedure Remark 6) Press the left and right hooks on the PANEL to remove it from the indoor 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 22 Disassembly and Reassembly Parts Procedure Remark Electronics board 1) Remove the 3 screws of the electronics board and remove the cover (use +SCREWDRIVER). 2) Remove the 8 connectors connected to the fan coil unit PCB. Make sure to turn the power OFF when coming into contact with the fan part.
  • Page 23 Disassembly and Reassembly Parts Procedure Remark 1) Remove the electronics board 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 24 Disassembly and Reassembly Parts Procedure Remark 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 25 Disassembly and Reassembly Parts Procedure Remark 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 26 Disassembly and Reassembly Parts Procedure Remark 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 27: Ag041/060/072/090/105Mn4Dkh/Eu

    Procedure Remark Panel 1) Press the handles on either side of the Samsung 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 28 Disassembly and Reassembly Parts Procedure Remark 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 29 Disassembly and Reassembly Parts Procedure Remark 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 30 Disassembly and Reassembly Parts Procedure Remark 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 31 Disassembly and Reassembly Parts Procedure Remark 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 32 Disassembly and Reassembly Parts Procedure Remark 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 33: Circular Cassette Type

    Disassembly and Reassembly 3-1-3. Circular Cassette Type AG060/072/090/105MN4PKH/EU ■ Parts Procedure Remark Panel ▶ Embedded-type 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 34 Disassembly and Reassembly Parts Procedure Remark Panel 4) Use some force to push the grille counter 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 35 Disassembly and Reassembly Parts Procedure Remark Controller 1) Remove the screw connected to the top of the 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 36 Disassembly and Reassembly Parts Procedure Remark Controller 4) Remove the connector connected to the controller. 5) Remove the ground screw (use +SCREWDRIVER). Upper cover and drain 1) Remove the 3 screws (use +SCREWDRIVER). 2) Push the hanging structure to completely remove the cover.
  • Page 37 Disassembly and Reassembly Parts Procedure Remark 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. 3-28...
  • Page 38 Disassembly and Reassembly Parts Procedure Remark 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).
  • Page 39 Disassembly and Reassembly Parts Procedure Remark 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 3-30...
  • Page 40 Disassembly and Reassembly Parts Procedure Remark 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 Pan and motor fan to separate the fan from the motor (use Monkey spanner).
  • Page 41 Disassembly and Reassembly Parts Procedure Remark Evaporator 1) Remove the screw on the fan coil unit main body 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 42 Disassembly and Reassembly Parts Procedure Remark 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 43: 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.
  • Page 44 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 45 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 46 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 47: 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 [Options] Button [Timer] Button Enter the mode for setting the options Step 1 a.
  • Page 48 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 49 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 50 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 51 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 52: 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 53: 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 54 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 external Minimize Indication Details Indication Details Indication Details Indication Indication Details Indication Details temperature...
  • Page 55 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 Heating Indication Details Indication Details Indication Indication Details installation Removing condensate water in compensation...

  • Page 56: Option Code Per Model

    Trouble shooting ■ 05 series installation option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 ‑ ‑ ‑ ‑ SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 ‑ ‑ ‑ ‑ ‑ SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 Control variable when Valve opening control Water pipe Valve Light wind speed setting Water valve control type using hot water/external...

  • Page 57: 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 58 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 59 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 60: Number Expression Method Display (Fan Coil Unit, Cable Remote Control, Etc.)

    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 61 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 62: Appropriate Measures For Different Symptoms

    Trouble shooting 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...

  • Page 63: 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 64: 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 65: Water Temperature Increase Prevention Error

    Trouble shooting 4-3-4. Water temperature increase prevention 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 Fan coil unit 1‑Way display Yellow Yellow 18°C...

  • Page 66: E153 : 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 67: 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/ 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 Yellow...

  • Page 68: 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 Fan coil unit 1‑Way display Yellow Yellow 18°C 21°C Timer 24°C...

  • Page 69: 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/ 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 70: 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 71: Pcb Diagram

    PCB Diagram 5. PCB Diagram 5-1. Fan Coil Unit 5-1-1. Slim 1 way cassette type (Medium)
  • Page 72 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 73 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 #2: WATER_VALVE2 #2: HUMAN SENSOR OUTPUT(GND) #3: NC COMM(TXD) #4: NC #3: HUMAN SENSOR #5~#6: DC12V COMM(RXD) #4: GND...
  • Page 74 PCB Diagram 5-1-2. Slim 1 way cassette type (Large), 4way casette type...

  • Page 75: 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 76 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 #2: GND #2: COM1(F2) COMM(TXD) #3: SPI POWER OUTPUT(DC12V) #3: V1(DC12V) #3: HUMAN SENSOR #4: V2(GND) COMM(RXD)
  • Page 77 PCB Diagram 5-1-3. Circular cassette type...

  • Page 78: 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 CN102-FUSE CHECK CN950-SUCTION FAN CN808-EEV(DVM) #1: DC310V #1: FUSE CHECK SIGNAL #1 #5 #9 : DC12V #1: WATER_VALVE1 #3 : GND #2: GND...

  • Page 79: Fcu Sub Pba

    PCB Diagram 5-1-4. FCU SUB PBA CN701-POWER TB701-AC POWER OUTPUT CN703-TO MAIN(VALVE CONTROL) #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 80: Circular Cassette Type Display

    PCB Diagram 5-1-5. 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 81: Slim 1 Way Cassette Type Panel (Normal)

    PCB Diagram 5-1-6. 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 82: Slim 1 Way Cassette Type Panel (Interior Type)

    PCB Diagram 5-1-7. 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 83: Slim 1 Way Cassette Type Panel (Europe)

    PCB Diagram 5-1-8. 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 84: Small 4 Way Cassette Type Panel

    PCB Diagram 5-1-9. 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 85: 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 86: 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 87: Circular Cassette Type (360)

    Wiring Diagram 6-1-3. Circular cassette type(360) This Document can not be used without Samsung’s authorization.

  • Page 88: 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 89: Panel

    Reference Sheet 7-1-2. Panel Model Code ★ Product Design Classification Color Panel version Panel Black 1, 2, Korea ..WINE A, B, White Export ..Product Type Ivory White TYPE Communication Mode Product Classification AUTO LIFT / SLIDE New Communication Small 1WAY STANDARD Medium 1WAY...
  • Page 90 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. July. 2017. Any unauthorized use of Manual can be punished under Printed in Korea. applicable International and/or domestic law.

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