Daikin CDKS50CVMB Manual de Serviço

Inverter Multi for 2 RoomsB-Series / D-Series[Applied Models]lInverter Multi : Cooling OnlylInverter Multi : Heat Pump SiENBE12-627Ser viceManual

SiENBE12-627Printed Circuit Board Connector Wiring Diagram 1Part 1List of Functions1. Cooling Only...

SiENBE12-627 InstructionSystem Configuration 91"Outdoor Unit"Indoor Unit"Outdoor UnitAppearance of the outdoor unit may differ from som

Instruction SiENBE12-62792 System Configuration"Remote controlTEMP ON/OFF PO WERFUL MODE FA N SWING SILENT SENSOR ECONO COMFOR T TIMER ON CANCEL

SiENBE12-627 InstructionSystem Configuration 93FTK(X)S 20/25/35 C, ATK(X)S 20/25/35 D"Indoor UnitONOFF

Instruction SiENBE12-62794 System Configuration"Outdoor Unit"Indoor Unit"Outdoor UnitAppearance of the outdoor unit may differ from som

SiENBE12-627 InstructionSystem Configuration 95"Remote control1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It display

Instruction SiENBE12-62796 System ConfigurationFTXG 25/35 E, ATXG 25/35 E"Indoor Unit15 14 18 12 13 17 1 3 4 6 2 11 16 5 7 8 9 10 (With the pan

SiENBE12-627 InstructionSystem Configuration 97"Outdoor Unit"Indoor Unit"Outdoor UnitAppearance of the outdoor unit may differ from som

Instruction SiENBE12-62798 System Configuration"Remote control1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It display

SiENBE12-627 InstructionSystem Configuration 99FDK(X)S 25/35 C, FDK(X)S 25/35 E"Indoor Unit36891071452

Instruction SiENBE12-627100 System Configuration"Outdoor Unit"Indoor Unit"Outdoor UnitAppearance of the outdoor unit may differ from so

Cooling Only SiENBE12-6272 List of Functions1. Cooling OnlyCategory FunctionsFTKS20-35D3VMW(L)FTKS20-35CAVMBCategory FunctionsFTKS20-35D3VMW(L)FTKS20-

SiENBE12-627 InstructionSystem Configuration 101"Remote Control1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It displa

Instruction SiENBE12-627102 System ConfigurationFLK(X)S 25/35 B"Indoor UnitThe indoor unit can be installed either to the ceiling or to a wall. T

SiENBE12-627 InstructionSystem Configuration 103"Indoor Unit"Indoor Unit"Outdoor UnitAppearance of the outdoor unit may differ from som

Instruction SiENBE12-627104 System Configuration"Remote ControlC ONTEMP ON/OFF PO WERFUL HOME LE AV E MODE TIME R FA N SWING SILENT ON CANCE L

SiENBE12-627 InstructionSystem Configuration 1052.4Preparation Before OperationATTENTION"To set the batteries1. Press with a finger and slide th

Instruction SiENBE12-627106 System ConfigurationATTENTION"To operate the remote control• To use the remote control, aim the transmitter at the in

SiENBE12-627 InstructionSystem Configuration 107NOTE"To set the clock1. Press “CLOCK button”.0:00 is displayed. blinks.2. Press “TIMER setting bu

Instruction SiENBE12-627108 System Configuration2.5 Auto Dry Cool Heat Fan OperationThe air conditioner operates with the operation mode of your choic

SiENBE12-627 InstructionSystem Configuration 109"To change the air flow rate setting5. Press “FAN setting button”.• Indoor unit quiet operation W

Instruction SiENBE12-627110 System Configuration2.6 Adjusting the Air Flow DirectionFTK(X)S 20/25/35 D, ATK(X)S 20/25/35 EYou can adjust the air flow

SiENBE12-627 Cooling OnlyList of Functions 3Category FunctionsFDKS25/35CAVMBFDKS25/35EAVMBCategory FunctionsFDKS25/35CAVMBFDKS25/35EAVMBBasic Function

SiENBE12-627 InstructionSystem Configuration 111"To start COMLFORT AIRFLOW operation3. Press “COMFORT AIRFLOW button”.• The flap position will ch

Instruction SiENBE12-627112 System ConfigurationFTK(X)S 20/25/35 C, ATK(X)S 20/25/35 DYou can adjust the air flow direction to increase your comfort.&

SiENBE12-627 InstructionSystem Configuration 113Notes on flaps and louvers angles."To adjust the vertical blades (louvers)•Hold the knob and move

Instruction SiENBE12-627114 System ConfigurationFTXG 25/35 E, ATXG 25/35 EYou can adjust the air flow direction to increase your comfort."To adju

SiENBE12-627 InstructionSystem Configuration 115"To start COMLFORT AIRFLOW operation5. Press “COMFORT AIRFLOW button”.• The flap position will ch

Instruction SiENBE12-627116 System ConfigurationFLK(X)S 25/35 BAdjusting the Air Flow DirectionYou can adjust the air flow direction to increase your

SiENBE12-627 InstructionSystem Configuration 117Notes on flap and louvers angles."To adjust the vertical blades (louvers) • When adjusting the lo

Instruction SiENBE12-627118 System Configuration.+2.7 POWERFUL OperationNOTEPOWERFUL operation quickly maximizes the cooling (heating) effect in any o

SiENBE12-627 InstructionSystem Configuration 1192.8 OUTDOOR UNIT SILENT OperationNOTEOUTDOOR UNIT SILENT operation lowers the noise level of the outdo

Instruction SiENBE12-627120 System Configuration2.9ECONO OperationNOTEECONO operation is a function with enables efficient operation by lowering the m

Cooling Only SiENBE12-6274 List of FunctionsCategory FunctionsFLKS25/35BAVMB2MKS40DAVMBCategory FunctionsFLKS25/35BAVMB2MKS40DAVMBBasic FunctionInvert

SiENBE12-627 InstructionSystem Configuration 1212.10 HOME LEAVE OperationBefore using HOME LEAVE operation.HOME LEAVE operation is a function which al

Instruction SiENBE12-627122 System Configuration"What’s the HOME LEAVE operationIs there a set temperature and air flow rate which is most comfor

SiENBE12-627 InstructionSystem Configuration 1232.11INTELLIGENT EYE OperationFTK(X)S 20/25/35 D, ATK(X)S 20/25/35 E“INTELLIGENT EYE” is the infrared s

Instruction SiENBE12-627124 System Configuration“INTELLIGENT EYE” is useful for Energy SavingNotes on “INTELLIGENT EYE”CAUTION"Energy saving oper

SiENBE12-627 InstructionSystem Configuration 125FTK(X)S 20/25/35 C, ATK(X)S 20/25/35 D“INTELLIGENT EYE” is the infrared sensor which detects the human

Instruction SiENBE12-627126 System Configuration"To adjust the angle of the INTELLIGENT EYE sensor• You can adjust the angle of the INTELLIGENT E

SiENBE12-627 InstructionSystem Configuration 127 FTXG 25/35 E, ATXG 25/35 E“INTELLIGENT EYE” is the infrared sensor which detects the human movement.&

Instruction SiENBE12-627128 System Configuration“INTELLIGENT EYE” is useful for Energy SavingNotes on “INTELLIGENT EYE”CAUTION"Energy saving oper

SiENBE12-627 InstructionSystem Configuration 1292.12 TIMER OperationNOTETimer functions are useful for automatically switching the air conditioner on

Instruction SiENBE12-627130 System ConfigurationATTENTION"To use ON TIMER operation• Check that the clock is correct. If not, set the clock to th

SiENBE12-627 Cooling OnlyList of Functions 5Category FunctionsATKS20/25/35E2V1BATKS20/25/35DAVMBCategory FunctionsATKS20/25/35E2V1BATKS20/25/35DAVMBBa

SiENBE12-627 InstructionSystem Configuration 1312.13 Note for Multi Note<<What is a “Multi System”? >>This system has one outdoor unit con

Instruction SiENBE12-627132 System Configuration2.14 Care and cleaningFTK(X)S 20/25/35 D, ATK(X)S 20/25/35 ECAUTIONCAUTIONBefore cleaning, be sure to

SiENBE12-627 InstructionSystem Configuration 133FILTERS1. Open the front panel.2. Pull out the air filters.• Push a little upwards the tab at the cent

Instruction SiENBE12-627134 System ConfigurationNOTECheck• Operation with dirty filters: (1) cannot deodorize the air. (2) cannot

SiENBE12-627 InstructionSystem Configuration 135CAUTIONCAUTIONBefore cleaning, be sure to stop the operation and turn the breaker OFF.UNITS"Indoo

Instruction SiENBE12-627136 System ConfigurationFILTERS1. Open the front panel. 2. Pull out the air filters.• Push a little upwards the tab at the cen

SiENBE12-627 InstructionSystem Configuration 137CheckNOTECheck that the base, stand and other fittings of the outdoor unit are not decayed or corroded

Instruction SiENBE12-627138 System ConfigurationCAUTIONFTXG 25/35 E, ATXG 25/35 ECAUTION• Before cleaning, be sure to stop the operation and turn the

SiENBE12-627 InstructionSystem Configuration 139FILTERS1. Open the front panel. • Open the front panel by placing a finger on the panel tab on either

Instruction SiENBE12-627140 System ConfigurationNOTECheck• Operation with dirty filters: (1) cannot deodorize the air. (2) cannot cl

Cooling Only SiENBE12-6276 List of FunctionsCategory Functions2AMK40BAVMBCategory Functions2AMK40BAVMBBasic FunctionInverter (with Inverter Power Cont

SiENBE12-627 InstructionSystem Configuration 141FDK(X)S 25/35 C, FDK(X)S 25/35 ECAUTION• Only a qualified service person is allowed to perform mainten

Instruction SiENBE12-627142 System ConfigurationCAUTIONCheck"Cleaning the drain pan• Clean the drain pan periodically, or drain piping may be clo

SiENBE12-627 InstructionSystem Configuration 143CAUTIONFLK(X)S 25/35/50/60 BCAUTIONBefore cleaning, be sure to stop the operation and turn the breaker

Instruction SiENBE12-627144 System ConfigurationFILTERS1. Open the front panel.2. Pull out the air filters.• Push upwards the tab at the center of eac

SiENBE12-627 InstructionSystem Configuration 145CheckNOTECheck that the base, stand and other fittings of the outdoor unit are not decayed or corroded

Instruction SiENBE12-627146 System Configuration2.15 TroubleshootingThese cases are not troublesThe following cases are not air conditioner troubles b

SiENBE12-627 InstructionSystem Configuration 147Check againPlease check again before calling a repair person.Case CheckThe air conditioner does not op

Instruction SiENBE12-627148 System ConfigurationWARNINGIf one of the following symptoms takes place, call the service shop immediately.Disposal requir

SiENBE12-627 InstructionSystem Configuration 149FAULT DIAGNOSIS BY REMOTE CONTROL.In the ARC433A series, the temperature display sections on the main

Instruction SiENBE12-627150 System ConfigurationLED ON OUTDOOR UNIT PCB 3MXS, 3MKS, 4MXS, 4MKS seriesLED ON OUTDOOR UNIT PCB 2MXS, 2MKS seri

SiENBE12-627 Heat PumpList of Functions 72. Heat PumpCategory FunctionsFTXG25/35EV1BW(S)FTXS20-35D3VMW(L)FTXS20-35CAVMBCategory FunctionsFTXG25/35EV1B

SiENBE12-627Service Diagnosis 151Part 6Service Diagnosis1. Caution for Diagnosis...

Caution for Diagnosis SiENBE12-627152 Service Diagnosis1. Caution for DiagnosisThe operation lamp flashes when any of the following errors is detected

SiENBE12-627 Caution for DiagnosisService Diagnosis 153Caution: Operation stops suddenly. (Operation lamp blinks.)Cause of above trouble could be &quo

Problem Symptoms and Measures SiENBE12-627154 Service Diagnosis2. Problem Symptoms and MeasuresSymptom Check Item Details of Measure Reference Page No

SiENBE12-627 Service Check FunctionService Diagnosis 1553. Service Check FunctionIn the ARC433A series remote control, the temperature display section

Service Check Function SiENBE12-627156 Service DiagnosisCheck Method 2 1. Enter the diagnosis mode.Press the 3 buttons (TEMPs,TEMPt, MODE) simultaneou

SiENBE12-627 Service Check FunctionService Diagnosis 1575. Press the TEMP button.Press TEMPs or TEMPt and change the digit until you hear the sound of

Troubleshooting SiENBE12-627158 Service Diagnosis4. Troubleshooting4.1 Error Codes and DescriptionH: Displayed only when system-down occurs.Code Indic

SiENBE12-627 TroubleshootingService Diagnosis 1594.2 Indoor Unit PCB AbnormalityRemote control DisplayA1Method of Malfunction DetectionEvaluation of z

Troubleshooting SiENBE12-627160 Service Diagnosis4.3 Freeze-up Protection Control or High Pressure ControlRemote Control DisplayA5Method of Malfunctio

Heat Pump SiENBE12-6278 List of FunctionsCategory FunctionsFDXS25/35CAVMBFDXS25/35EAVMBCategory FunctionsFDXS25/35CAVMBFDXS25/35EAVMBBasic FunctionInv

SiENBE12-627 TroubleshootingService Diagnosis 161TroubleshootingCheck No.06Refer to P.197NONONOCheck No. 06Indoor unit heat exchanger thermistor check

Troubleshooting SiENBE12-627162 Service Diagnosis4.4 Fan Motor or Related Abnormality4.4.1 AC MotorRemote Control DisplayA6Method of Malfunction Detec

SiENBE12-627 TroubleshootingService Diagnosis 1634.4.2 DC MotorRemote Control DisplayA6Method of Malfunction DetectionThe rotation speed detected by t

Troubleshooting SiENBE12-627164 Service DiagnosisTroubleshootingCheck No.01Refer to P.194Replace fan motor.Replace indoor unit PCB.Replace indoor unit

SiENBE12-627 TroubleshootingService Diagnosis 1654.5 Thermistor or Related Abnormality (Indoor Unit)Remote Control DisplayC4, C9 Method of Malfunction

Troubleshooting SiENBE12-627166 Service Diagnosis4.6 Freeze-up Protection ControlRemote Control DisplayA5Method of Malfunction DetectionIndoor unit ic

SiENBE12-627 TroubleshootingService Diagnosis 167TroubleshootingCheck No.04Refer to P.194Check No.06Refer to P.197Check the wiring and piping.Check No

Troubleshooting SiENBE12-627168 Service Diagnosis4.7 OL Activation (Compressor Overload)Remote Control DisplayE5Method of Malfunction DetectionA compr

SiENBE12-627 TroubleshootingService Diagnosis 1694.8 Compressor LockRemote Control DisplayE6Method of Malfunction DetectionA compressor lock is detect

Troubleshooting SiENBE12-627170 Service Diagnosis4.9 DC Fan LockRemote Control DisplayE7Method of Malfunction DetectionA fan motor or related error is

SiENBE12-627 Heat PumpList of Functions 9Category FunctionsFLXS25/35BAVMB2MXS40DAVMBCategory FunctionsFLXS25/35BAVMB2MXS40DAVMBBasic FunctionInverter

SiENBE12-627 TroubleshootingService Diagnosis 1714.10 Input Over Current DetectionRemote Control DisplayE8Method of Malfunction DetectionAn input over

Troubleshooting SiENBE12-627172 Service DiagnosisTroubleshootingCheck No.07Refer to P.198Check No.08Refer to P.199Check No.14Refer to P.201Note: If th

SiENBE12-627 TroubleshootingService Diagnosis 1734.11 Four Way Valve AbnormalityRemote Control DisplayEAMethod of Malfunction DetectionThe liquid pipe

Troubleshooting SiENBE12-627174 Service DiagnosisTroubleshootingCheck No.05Refer to P.196Check No.06Refer to P.197Check No.11Refer to P.200Correct.Rec

SiENBE12-627 TroubleshootingService Diagnosis 1754.12 Discharge Pipe Temperature ControlRemote Control DisplayF3Method of Malfunction DetectionThe dis

Troubleshooting SiENBE12-627176 Service Diagnosis4.13 High Pressure Control in CoolingRemote Control DisplayF6Method of Malfunction DetectionHigh-pres

SiENBE12-627 TroubleshootingService Diagnosis 177TroubleshootingCheck No.04Refer to P.194Check No.06Refer to P.197Check No.07Refer to P.198Check No.09

Troubleshooting SiENBE12-627178 Service Diagnosis4.14 Position Sensor AbnormalityRemote Control DisplayH6Method of Malfunction DetectionA compressor s

SiENBE12-627 TroubleshootingService Diagnosis 1794.15 CT or Related AbnormalityRemote Control DisplayH8Method of Malfunction DetectionA CT or related

Troubleshooting SiENBE12-627180 Service DiagnosisTroubleshootingCheck No.12Refer to P.200Note: If the model doesn't have SPM, replace the outdoor

Heat Pump SiENBE12-62710 List of FunctionsCategory FunctionsATXG25/35EV1BATXS20/25/35E2V1BATXS20/25/35DAVMBCategory FunctionsATXG25/35EV1BATXS20/25/35

SiENBE12-627 TroubleshootingService Diagnosis 1814.16 Thermistor or Related Abnormality (Outdoor Unit)Remote Control DisplayP4,J3,J6,J8,J9,H9Method of

Troubleshooting SiENBE12-627182 Service DiagnosisTroubleshootingCheck No.06Refer to P.197Turn on the power again.Reconnect.Reconnect.Replace defective

SiENBE12-627 TroubleshootingService Diagnosis 1834.17 Electrical Box Temperature RiseRemote Control DisplayL3Method of Malfunction DetectionAn electri

Troubleshooting SiENBE12-627184 Service DiagnosisTroubleshootingCheck No.06Refer to P.197Check No.07Refer to P.198Check No.09Refer to P.199Turn off th

SiENBE12-627 TroubleshootingService Diagnosis 1854.18 Radiation Fin Temperature RiseRemote Control DisplayL4Method of Malfunction DetectionA radiation

Troubleshooting SiENBE12-627186 Service DiagnosisTroubleshootingCheck No.06Refer to P.197Check No.07Refer to P.198Check No.09Refer to P.199Turn off th

SiENBE12-627 TroubleshootingService Diagnosis 1874.19 Output Over Current DetectionRemote Control DisplayL5Method of Malfunction DetectionAn output ov

Troubleshooting SiENBE12-627188 Service DiagnosisTroubleshootingCheck No.07Refer to P.198Check No.08Refer to P.199Check No.13Refer to P.201Note: If th

SiENBE12-627 TroubleshootingService Diagnosis 1894.20 Insufficient GasRemote Control DisplayU0Method of Malfunction DetectionGas shortage detection I

Troubleshooting SiENBE12-627190 Service DiagnosisTroubleshootingCheck No.04Refer to P.194Check No.06Refer to P.197Reconnect in position.Open the stop

SiENBE12-627Table of Contents iInverter Multi for 2 RoomsB-SeriesD-Series!Cooling OnlyOutdoor Unit Indoor Unit2MKS40DAVMB FTKS20D3VMW(L) FDKS25CAVMBFT

SiENBE12-627 Heat PumpList of Functions 11Category Functions2AMX40BAVMBCategory Functions2AMX40BAVMBBasic FunctionInverter (with Inverter Power Contro

SiENBE12-627 TroubleshootingService Diagnosis 1914.21 Over-voltage DetectionRemote Control DisplayU2Method of Malfunction DetectionAn abnormal voltage

Troubleshooting SiENBE12-627192 Service Diagnosis4.22 Anti-icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)Remot

SiENBE12-627 TroubleshootingService Diagnosis 1934.23 Outdoor Unit PCB Abnormality or Signal Transmission Circuit AbnormalityRemote Control DisplayU4M

Check SiENBE12-627194 Service Diagnosis5. Check5.1 How to Check5.1.1 Fan Motor Connector Output CheckCheck No.01 1. Check connector connection.2. Chec

SiENBE12-627 CheckService Diagnosis 195Valve Body Condition (Symptom) Check Method / Measure(1) Valve body catches at fully opened or half opened posi

Check SiENBE12-627196 Service Diagnosis5.1.3 Four Way Valve Performance CheckCheck No.05Turn off the power and turn it on again.Start the heating-mode

SiENBE12-627 CheckService Diagnosis 1975.1.4 Thermistor Resistance CheckCheck No.06 Remove the connectors of the thermistors on the PCB, and measure t

Check SiENBE12-627198 Service Diagnosis5.1.5 Installation Condition CheckCheck No.07Installation condition checkNormalChange the position of the air d

SiENBE12-627 CheckService Diagnosis 1995.1.6 Discharge Pressure CheckCheck No.085.1.7 Outdoor Unit Fan System Check (With DC Motor)Check No.09Discharg

Check SiENBE12-627200 Service Diagnosis5.1.8 Inverter Units Refrigerant System CheckCheck No.115.1.9 Capacitor Voltage CheckCheck No.12 Before this ch

Heat Pump SiENBE12-62712 List of Functions

SiENBE12-627 CheckService Diagnosis 2015.1.10 Power Transistor CheckCheck No.13 " Checking the power transistor! Never touch any live parts for a

Check SiENBE12-627202 Service Diagnosis5.1.12 Turning Speed Pulse Input on the Outdoor Unit PCB CheckCheck No.15 <Propeller fan motor>Make sure

SiENBE12-627Removal Procedure 203Part 7 Removal Procedure1. Outdoor Unit...

Outdoor Unit SiENBE12-627204 Removal Procedure1. Outdoor Unit1.1 Removal of the Panels / Fan MotorProcedure Warning Be sure to wait 10 minutes or more

SiENBE12-627 Outdoor UnitRemoval Procedure 205" Make sure that the seven claws are fit securely when reassembling.2. Remove the top panel.1Loosen

Outdoor Unit SiENBE12-627206 Removal Procedure3Undo the claws and pull the front panel out towards you." The front panel has four claws." It

SiENBE12-627 Outdoor UnitRemoval Procedure 2073Pull the fan motor lead wire away.4Release the four claws and remove the electrical box cover.5Unscrew

Outdoor Unit SiENBE12-627208 Removal ProcedureStepProcedure Points6Remove the propeller fan." Align mark of the propeller fan with D-cut section

SiENBE12-627 Outdoor UnitRemoval Procedure 2091.2 Removal of the PCBProcedure Warning Be sure to wait 10 minutes or more after turning off all power s

Outdoor Unit SiENBE12-627210 Removal Procedure4Disconnect the relaying connector for the compressor.5Disconnect the two connectors of the reactor.6Dis

SiENBE12-627Specifications 13Part 2Specifications1. Cooling Only...

SiENBE12-627 Outdoor UnitRemoval Procedure 2118Disconnect the harnesses.9Loosen the screw of the terminal strip board." A thermal fuse is united

Outdoor Unit SiENBE12-627212 Removal Procedure11Lift the PCB from the heat exchanger side, and release from the two claws." Mind that not to brea

SiENBE12-627 Outdoor UnitRemoval Procedure 213StepProcedure Points14The illustration shows the layout of the PCB (parts side).15Loosen the two screws

Outdoor Unit SiENBE12-627214 Removal Procedure1.3 Removal of the Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after turning off

SiENBE12-627 Outdoor UnitRemoval Procedure 2154Disconnect all the connectors." As for the connectors, refer to the removal procedure of PCB.5Disc

Outdoor Unit SiENBE12-627216 Removal Procedure7Lift the electrical box up.8Release the wire clamp from the back side of the electrical box.9Remove the

SiENBE12-627 Outdoor UnitRemoval Procedure 2171.4 Removal of the Sound BlanketProcedure Warning Be sure to wait 10 minutes or more after turning off a

Outdoor Unit SiENBE12-627218 Removal Procedure3The partition plate is fixed to the bottom frame with a claw.Lift it and pull out towards you." Fi

SiENBE12-627 Outdoor UnitRemoval Procedure 219StepProcedure Points7Remove the sound blanket (side-inner A).8Remove the sound blanket (side-inner B).9R

Outdoor Unit SiENBE12-627220 Removal Procedure1.5 Removal of the ThermistorProcedure Warning Be sure to wait 10 minutes or more after turning off all

Cooling Only SiENBE12-62714 Specifications1. Cooling Only1.1 Indoor UnitsWall Mounted Type50Hz 230V Model FTKS20D3VMW FTKS20D3VMLRated Capacity 2.0kW

SiENBE12-627 Outdoor UnitRemoval Procedure 2211.6 Removal of the Four Way ValveProcedure Warning Be sure to wait 10 minutes or more after turning off

Outdoor Unit SiENBE12-627222 Removal ProcedureStepProcedure PointsWarningVentilate when refrigerant leaks during the work.(If refrigerant contacts fir

SiENBE12-627 Outdoor UnitRemoval Procedure 2231.7 Removal of the Electronic Expansion ValveProcedure Warning Be sure to wait 10 minutes or more after

Outdoor Unit SiENBE12-627224 Removal Procedure1.8 Removal of the CompressorProcedure Warning Be sure to wait 10 minutes or more after turning off all

SiENBE12-627 Outdoor UnitRemoval Procedure 225StepProcedure Points" Before working, make sure that the refrigerant is empty in the circuit."

Outdoor Unit SiENBE12-627226 Removal Procedure

SiENBE12-627Others 227Part 8Others1. Others ...2281.1 Te

Others SiENBE12-627228 Others1. Others1.1 Test Run from the Remote ControlFor Heat pump In cooling mode, select the lowest programmable temperature; i

SiENBE12-627 OthersOthers 2291.2 Jumper Settings1.2.1 When Two Units are Installed in One RoomWhen two indoor units are installed in one room, the two

Others SiENBE12-627230 Others1.2.3 Adjusting the Angle of the Intelligent Eye Sensor" Once installation of the indoor unit is complete, adjust th

SiENBE12-627 Cooling OnlySpecifications 1550Hz 230V Model FTKS35D3VMW FTKS35D3VMLRated Capacity 3.5kW Class 3.5kW ClassFront Panel Color White Silver

SiENBE12-627Appendix 231Part 9Appendix1. Piping Diagrams...2321.1 Indoo

Piping Diagrams SiENBE12-627232 Appendix1. Piping Diagrams1.1 Indoor Units1.1.1 Wall Mounted TypeFTKS20/25/35D3VMW(L),ATKS20/25/35E2V1BFTKS20/25/35CAV

SiENBE12-627 Piping DiagramsAppendix 2331.1.2 Duct Connected TypeFDK(X)S25/35CAVMB,FDK(X)S25/35EAVMBFTXS20/25/35CAVMB,ATXS20/25/35DAVMBFIELD PIPING(6.

Piping Diagrams SiENBE12-627234 Appendix1.1.3 Floor / Ceiling Suspended Dual TypeFLKS25/35BAVMBFLXS25/35BAVMBFIELD PIPINGFIELD PIPING(9.5CuT)(6.4CuT)R

SiENBE12-627 Piping DiagramsAppendix 2351.2 Outdoor Units2MKS40DAVMB, 2AMK40BAVMB2MXS40DAVMB, 2AMX40BAVMBREFRIGERANT FLOWOUTDOOR UNITCOOLING7.9CuT7.9C

Wiring Diagrams SiENBE12-627236 Appendix2. Wiring Diagrams2.1 Indoor Units2.1.1 Wall Mounted TypeFTK(X)20/25/35D3VMW(L), ATK(X)S20/25/35E2V1BFTK(X)S20

SiENBE12-627 Wiring DiagramsAppendix 237FTXG25/35EV1BW(S), ATXG25/35EV1B2.1.2 Duct Connected TypeFDK(X)S25/35CAVMB, FDK(X)S25/35EAVMBPCB3R1Tt°S36S36PC

Wiring Diagrams SiENBE12-627238 Appendix2.1.3 Floor / Ceiling Suspended Dual TypeFLK(X)S25/35BAVMBLEDH1PPCB3LEDH2PPCB4S1WLEDH3PR1TS31t°S27S25S24S26S32

SiENBE12-627 Wiring DiagramsAppendix 2392.2 Outdoor Units2MKS40DAVMB, 2AMK40BAVMB2MXS40DAVMB, 2AMX40BAVMBPCB1 PCB2S301RED1REDZ1CWYLWVYLW3UVTRM1BLUBLU5

Wiring Diagrams SiENBE12-627240 Appendix

Cooling Only SiENBE12-62716 Specifications50Hz 230V Model FTKS35CAVMBRated Capacity 3.5kW ClassFront Panel Color WhiteAir Flow Ratesmł/min(cfm)H 7.7 (

SiENBE12-627Drawings & Flow Charts 241Drawings & Flow ChartsAadjusting the angle of the intelligent eye sensor ..230anti-icing function in ot

SiENBE12-627242 Drawings & Flow Chartsthermistor or related abnormality (outdoor unit) ...181thermistor resistance check ...

SiENBE12-627Index iIndexNumerics3 minutes stand-by ...72Aa1 ...

SiENBE12-627ii Indexfan motor ...204fan motor connector output check ...

SiENBE12-627Index iiioutdoor unit silent operation ...120output over current detection ...1

SiENBE12-627iv Indexvaristor ...34, 36, 38, 40, 42, 45voltage detection function ...

Daikin Europe N.V. participates in the Eurovent Certification Programme for Air Conditioners (AC), Liquid Chilling Packages (LCP) and Fan Coil Units (

SiENBE12-627 Cooling OnlySpecifications 1750Hz 230VModel ATKS20E2V1B ATKS25E2V1BRated Capacity 2.0kW Class 2.5kW ClassFront Panel Color White WhiteAir

Cooling Only SiENBE12-62718 Specifications50Hz 230VModel ATKS25DAVMB ATKS35DAVMBRated Capacity 2.5kW Class 3.5kW ClassFront Panel Color White WhiteAir

SiENBE12-627 Cooling OnlySpecifications 19Duct Connected Type50Hz 230VNote: 1. The operating sound is based on the rear side suction inlet and the ext

Cooling Only SiENBE12-62720 SpecificationsFloor / Ceiling Suspended Dual Type50Hz 230VModel FLKS25BAVMB FLKS35BAVMBRated Capacity 2.5kW Class 3.5kW Cl

SiENBE12-627ii Table of Contents1. Introduction ...v1.1 Safe

SiENBE12-627 Cooling OnlySpecifications 211.2 Outdoor Units50Hz 230V Note: 1. The data are based on the conditions shown in the table below.Model 2MKS

Cooling Only SiENBE12-62722 Specifications50Hz 230V Note: 1. The data are based on the conditions shown in the table below.Model 2AMK40BAVMBCooling Ca

SiENBE12-627 Heat PumpSpecifications 232. Heat Pump2.1 Indoor UnitsWall Mounted Type50Hz 230V ModelFTXG25EV1BW FTXG25EV1BSCooling Heating Cooling Heat

Heat Pump SiENBE12-62724 Specifications50Hz 230V ModelFTXS20D3VMW FTXS20D3VMLCooling Heating Cooling HeatingRated Capacity 2.0kW Class 2.0kW ClassFron

SiENBE12-627 Heat PumpSpecifications 2550Hz 230V ModelFTXS35D3VMW FTXS35D3VMLCooling Heating Cooling HeatingRated Capacity 3.5kW Class 3.5kW ClassFron

Heat Pump SiENBE12-62726 Specifications50Hz 230V ModelFTXS35CAVMBCooling HeatingRated Capacity 3.5kW ClassFront Panel Color WhiteAir Flow Ratesmł/min(

SiENBE12-627 Heat PumpSpecifications 2750Hz 230V ModelATXG25EV1B ATXG35EV1BCooling Heating Cooling HeatingRated Capacity 2.5kW Class 3.5kW ClassFront

Heat Pump SiENBE12-62728 Specifications50Hz 230V ModelATXS35E2V1B ATXS20DAVMBCooling Heating Cooling HeatingRated Capacity 3.5kW Class 2.0kW ClassFron

SiENBE12-627 Heat PumpSpecifications 29Duct Connected Type50Hz 230VNote: 1. The operating sound is based on the rear side suction inlet and the extern

Heat Pump SiENBE12-62730 SpecificationsFloor / Ceiling Suspended Dual Type50Hz 230VModelFLXS25BAVMB FLXS35BAVMBCooling Heating Cooling HeatingRated Ca

SiENBE12-627Table of Contents iii2.11 Electronic Expansion Valve Control ...772.12 Malfunctions ..

SiENBE12-627 Heat PumpSpecifications 312.2 Outdoor Units50Hz 230VNote: 1. The data are based on the conditions shown in the table below.Model2MXS40DAV

Heat Pump SiENBE12-62732 Specifications50Hz 230VNote: 1. The data are based on the conditions shown in the table below.Model2AMX40BAVMBCooling Heating

SiENBE12-627Printed Circuit Board Connector Wiring Diagram 33Part 3Printed Circuit BoardConnector Wiring Diagram1. Printed Circuit Board Connector Wir

Printed Circuit Board Connector Wiring Diagram SiENBE12-62734 Printed Circuit Board Connector Wiring Diagram1. Printed Circuit Board Connector Wiring

SiENBE12-627 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 35PCB Detail PCB(1): Control PCBPCB(4): INTE

Printed Circuit Board Connector Wiring Diagram SiENBE12-62736 Printed Circuit Board Connector Wiring Diagram1.1.2 FTK(X)S 20/25/35 C, ATK(X)S 20/25/35

SiENBE12-627 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 37PCB Detail PCB(1): Control PCBPCB(2): Sign

Printed Circuit Board Connector Wiring Diagram SiENBE12-62738 Printed Circuit Board Connector Wiring Diagram1.1.3 FTXG 25/35 E, ATXG 25/35 EConnectors

SiENBE12-627 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 39PCB Detail PCB(1): Control PCB (indoor uni

Printed Circuit Board Connector Wiring Diagram SiENBE12-62740 Printed Circuit Board Connector Wiring Diagram1.2 Duct Connected TypeConnectors PCB(1) (

SiENBE12-627iv Table of Contents1935. Check ...1945.1 H

SiENBE12-627 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 41PCB Detail PCB (2): Display PCBLED 3LED 2

Printed Circuit Board Connector Wiring Diagram SiENBE12-62742 Printed Circuit Board Connector Wiring Diagram1.3 Floor / Ceiling Suspended Dual TypeCon

SiENBE12-627 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 43PCB Detail PCB (1): Control PCBPCB Detail

Printed Circuit Board Connector Wiring Diagram SiENBE12-62744 Printed Circuit Board Connector Wiring DiagramPCB (3): Display PCBPCB (4): Signal Receiv

SiENBE12-627 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 451.4 Outdoor UnitConnectors PCB (1) (Filter

Printed Circuit Board Connector Wiring Diagram SiENBE12-62746 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Filter PCBPCB (2): Con

SiENBE12-627Function and Control 47Part 4 Function and Control1. Main Functions...

Main Functions SiENBE12-62748 Function and Control1. Main FunctionsNote: See the list of functions for the functions applicable to different models.1.

SiENBE12-627 Main FunctionsFunction and Control 49Inverter Features The inverter provides the following features:" The regulating capacity can be

Main Functions SiENBE12-62750 Function and Control1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-SwingPower-airflow Dual FlapsThe large fla

SiENBE12-627 Introductionv1. Introduction1.1 Safety CautionsCautions and Warnings" Be sure to read the following safety cautions before conductin

SiENBE12-627 Main FunctionsFunction and Control 513-D Airflow FTXG25/35E, ATXG25/35E" Alternative repetition of vertical and horizontal swing mot

Main Functions SiENBE12-62752 Function and Control1.3 Operation Starting ControlFTXG25-35E, FTXG25-35EThe system carries out the following control at

SiENBE12-627 Main FunctionsFunction and Control 531.4 Fan Speed Control for Indoor UnitsControl Mode The airflow rate can be automatically controlled

Main Functions SiENBE12-62754 Function and Control1.5 Programme Dry FunctionProgramme dry function removes humidity while preventing the room temperat

SiENBE12-627 Main FunctionsFunction and Control 551.6 Automatic OperationAutomatic Cooling / Heating Function (Heat Pump Only)When the AUTO mode is se

Main Functions SiENBE12-62756 Function and Control1.7 Thermostat ControlThermostat control is based on the difference between the room temperature and

SiENBE12-627 Main FunctionsFunction and Control 571.8 Night Set ModeWhen the OFF timer is set, the Night Set circuit automatically activates.The Night

Main Functions SiENBE12-62758 Function and Control1.9 ECONO ModeOutline FTK(X)S20-35DThe "ECONO mode" reduces the maximum operating current

SiENBE12-627 Main FunctionsFunction and Control 591.10 INTELLIGENT EYEThis is the function that detects existence of humans in the room by a human mot

Main Functions SiENBE12-62760 Function and Control" Since the set temperature is shifted by 2°C higher for 40 minutes, compressor speed becomes l

Introduction SiENBE12-627vi1.1.2 Cautions Regarding Products after RepairDo not repair the electrical components with wet hands.Working on the equipme

SiENBE12-627 Main FunctionsFunction and Control 611.11 HOME LEAVE OperationOutline In order to respond to the customer's need for immediate heati

Main Functions SiENBE12-62762 Function and Control1.12 Inverter POWERFUL OperationOutline In order to exploit the cooling and heating capacity to full

SiENBE12-627 Main FunctionsFunction and Control 631.13 Other Functions1.13.1 Hot Start FunctionHeat Pump OnlyIn order to prevent the cold air blast th

Main Functions SiENBE12-62764 Function and Control1.13.7 Air Purifying Filter with Photocatalytic Deodorizing FunctionThis filter incorporates the ben

SiENBE12-627 Main FunctionsFunction and Control 651.14 Function of Thermistor1.14.1 Heat Pump ModelA Outdoor Heat Exchanger Thermistor (DCB)1. The o

Main Functions SiENBE12-62766 Function and ControlD Indoor Heat Exchanger Thermistor (DCN)1. The indoor heat exchanger thermistors are used for cont

SiENBE12-627 Main FunctionsFunction and Control 671.14.2 Cooling Only ModelA Outdoor Heat Exchanger Thermistor (DCB)1. The outdoor heat exchanger th

Control Specification SiENBE12-62768 Function and Control2. Control Specification2.1 Mode HierarchyOutline There are two modes; the mode selected in u

SiENBE12-627 Control SpecificationFunction and Control 692.2 Frequency ControlOutline Frequency that corresponds to each room’s capacity will be deter

Control Specification SiENBE12-62770 Function and ControlFor Cooling Only Model1. Determine command frequency$ Command frequency will be determined in

SiENBE12-627 Introductionvii1.1.3 Inspection after RepairBe sure to use an exclusive power circuit for the equipment, and follow the technical standar

SiENBE12-627 Control SpecificationFunction and Control 713. Limit of frequency variation widthWhen the difference between input current and input curr

Control Specification SiENBE12-62772 Function and Control2.3 Controls at Mode Changing / Start-up2.3.1 Preheating OperationOutline Operate the inverte

SiENBE12-627 Control SpecificationFunction and Control 732.4 Discharge Pipe ControlOutline The discharge pipe temperature is used as the compressor&ap

Control Specification SiENBE12-62774 Function and Control2.6 Freeze-up Protection ControlOutline During cooling operation, the signals being sent from

SiENBE12-627 Control SpecificationFunction and Control 752.8 Fan ControlOutline Fan control is carried out according to the following priority.1. Fan

Control Specification SiENBE12-62776 Function and Control2.10 Defrost ControlOutline Heat Pump OnlyDefrosting is carried out by the cooling cycle (rev

SiENBE12-627 Control SpecificationFunction and Control 772.11 Electronic Expansion Valve Control Outline The following items are included in the elect

Control Specification SiENBE12-62778 Function and ControlDetail The followings are the examples of control which function in each mode by the electron

SiENBE12-627 Control SpecificationFunction and Control 792.11.1 Fully Closing with Power OnInitialize the electronic expansion valve when turning on t

Control Specification SiENBE12-62780 Function and ControlDetail Detect DisconnectionIf a 780-second timer for open control becomes over, the following

Introduction SiENBE12-627viii1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon

SiENBE12-627 Control SpecificationFunction and Control 812.12 Malfunctions2.12.1 Sensor Malfunction DetectionSensor malfunction may occur either in th

Control Specification SiENBE12-62782 Function and Control2.12.4 Preventing Indoor FreezingDuring cooling, if the heat exchanger temperature in the ope

SiENBE12-627 Control SpecificationFunction and Control 832.14 Additional Function2.14.1 POWERFUL Operation ModeCompressor operating frequency and outd

Control Specification SiENBE12-62784 Function and Control

SiENBE12-627System Configuration 85Part 5System Configuration1. System Configuration...

System Configuration SiENBE12-62786 System Configuration1. System ConfigurationAfter the installation and test operation of the room air conditioner h

SiENBE12-627 InstructionSystem Configuration 872.Instruction 2.1 Manual Contents and Reference PageH1 : Illustrations are for wall mounted type FTXS20

Instruction SiENBE12-62788 System Configuration2.2Safety Precautions• Keep this manual where the operator can easily find them.• Read this manual atte

SiENBE12-627 InstructionSystem Configuration 89Installation site"To install the air conditioner in the following types of environments, consult t

Instruction SiENBE12-62790 System Configuration2.3Names of PartsFTK(X)S 20/25/35 D, ATK(X)S 20/25/35 E"Indoor Unit16 141315121345791011862ON/OFF