Daikin FTXS15DVJU Specifications

Inverter PairWall Mounted Type D-Series[Applied Models]zInverter Pair : Heat PumpSiUS09 - 651

SiUS09-651 Introductionix1.1.3 Inspection after Repair1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information.

SiUS09-651 InstructionSystem Configuration 892.2.10 Care and Cleaning22Care and CleaningCAUTION To avoid possible bodily injury, units should be shut

Instruction SiUS09-65190 System Configuration English 231. Open the front panel. (page 22.)2. Pull out the air filters.• Push a little upwards the ta

SiUS09-651 InstructionSystem Configuration 9124  EnglishCheck Before a long idle period1. Operate the “FAN only” for several hours on a warm day to

Instruction SiUS09-65192 System Configuration2.2.11 Troubleshooting English 25Trouble ShootingThe following cases are not abnormal problems and you m

SiUS09-651 InstructionSystem Configuration 9326  EnglishPlease check again before calling a repair person.Check again.Case CheckThe air conditioner d

Instruction SiUS09-65194 System Configuration English 27WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the ci

SiUS09-651 InstructionSystem Configuration 953P141693-1H28  EnglishFAULT DIAGNOSIS BY REMOTE CONTROLLERIn the ARC433A series, the temperature display

Instruction SiUS09-65196 System Configuration2.3 The Single Split Duct-Free System FTXS15/18/24DVJU2.3.1 Names of Parts4  EnglishNames of parts Indo

SiUS09-651 InstructionSystem Configuration 97 English 5 Outdoor UnitIndoor Unit1. Air filter2. Air-purifying filter with photocatalytic deodorizing

Instruction SiUS09-65198 System Configuration6  English Remote Controller1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It

Introduction SiUS09-651xWarningWarning A “warning” is used when there is danger of personal injury.Reference A “reference” guides the reader to other

SiUS09-651 InstructionSystem Configuration 992.3.2 Preparation before Operation English 7Preparation Before Operation To set the batteries1. Slide t

Instruction SiUS09-651100 System Configuration8  EnglishPreparation Before Operation To operate the remote controller• To use the remote controller,

SiUS09-651 InstructionSystem Configuration 1019FTEMPON/OFFPOWERFULHOME LEAVEMODETIMERFANSILENTSWINGONCANCELOFFSENSORF EnglishTo set the clock1. Pre

Instruction SiUS09-651102 System Configuration2.3.3 AUTO • DRY • COOL • HEAT • FAN Operation10  EnglishAUTO · DRY · COOL · HEAT · FAN OperationThe ai

SiUS09-651 InstructionSystem Configuration 103 English 11 To change the airflow rate setting5. Press “FAN setting button”.• Indoor unit quiet operat

Instruction SiUS09-651104 System Configuration2.3.4 Adjusting the Airflow Direction12  EnglishAdjusting the Airflow DirectionYou can adjust the airfl

SiUS09-651 InstructionSystem Configuration 105 English 13 To 3-D AirflowPress the “SWING button ” and the “SWING button ”:the “ ” and “ ” display

Instruction SiUS09-651106 System Configuration2.3.5 POWERFUL Operation14TEMPON/OFFPOWERFULHOME LEAVEMODETIMERFANSILENTSWINGONCANCELOFFONSENSORF1, 2 E

SiUS09-651 InstructionSystem Configuration 1072.3.6 OUTDOOR UNIT SILENT OperationOUTDOOR UNIT SILENT OperationOUTDOOR UNIT SILENT operation lowers th

Instruction SiUS09-651108 System Configuration2.3.7 HOME LEAVE Operation16  EnglishHOME LEAVE OperationHOME LEAVE operation is a function which allow

SiUS09-651List of Functions 1Part 1List of Functions1. List of Functions ...

SiUS09-651 InstructionSystem Configuration 109 English 17 What’s the HOME LEAVE operation?Is there a set temperature and airflow rate which is most

Instruction SiUS09-651110 System Configuration2.3.8 INTELLIGENT EYE Operation18  EnglishINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infrared se

SiUS09-651 InstructionSystem Configuration 111 English 19“INTELLIGENT EYE” is useful for Energy SavingNotes on “INTELLIGENT EYE”CAUTIONEnergy saving

Instruction SiUS09-651112 System Configuration2.3.9 TIMER Operation20  EnglishTIMER OperationTimer functions are useful for automatically switching t

SiUS09-651 InstructionSystem Configuration 113 English 21 To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the p

Instruction SiUS09-651114 System Configuration2.3.10 Care and Cleaning22Care and CleaningCAUTION To avoid possible bodily injury, units should be s

SiUS09-651 InstructionSystem Configuration 115 English 231. Open the front panel. (page 22.)2. Pull out the air filters.• Push a little upwards the t

Instruction SiUS09-651116 System Configuration24  EnglishCheck Before a long idle period1. Operate the “FAN only” for several hours on a warm day to

SiUS09-651 InstructionSystem Configuration 1172.3.11 Troubleshooting English 25Trouble ShootingThe following cases are not abnormal problems and you

Instruction SiUS09-651118 System Configuration26  EnglishPlease check again before calling a repair person.Check again.Case CheckThe air conditioner

List of Functions SiUS09-6512 List of Functions1. List of FunctionsCategory FunctionsFTXS09·12DVJURXS09·12DVJUFTXS15·18·24DVJURXS15·18·24DVJUCategory

SiUS09-651 InstructionSystem Configuration 119 English 27WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the c

Instruction SiUS09-651120 System Configuration3P141693-2H28  EnglishFAULT DIAGNOSIS BY REMOTE CONTROLLERIn the ARC433A series, the temperature displa

SiUS09-651 InstructionSystem Configuration 1212.4 The Slim Duct Built-in System FDXS09/12DVJU2.4.1 Names of Parts4Names of partsIndoor Unit 368910714

Instruction SiUS09-651122 System Configuration5Outdoor UnitIndoor Unit1. Air outlet2. Air outlet grille: (Field supply)• Appearance of the Air outlet

SiUS09-651 InstructionSystem Configuration 1236Remote Controller1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It displays

Instruction SiUS09-651124 System Configuration2.4.2 Preparation before Operation7Preparation Before OperationTo set the batteries1. Slide the front c

SiUS09-651 InstructionSystem Configuration 1258Preparation Before OperationTo operate the remote controller• To use the remote controller, aim the tr

Instruction SiUS09-651126 System Configuration9To set the clock1. Press “CLOCK button”. is displayed. blinks.2. Press “TIMER setting button” to set t

SiUS09-651 InstructionSystem Configuration 1272.4.3 AUTO • DRY • COOL • HEAT • FAN Operation10AUTO · DRY · COOL · HEAT · FAN OperationThe air conditio

Instruction SiUS09-651128 System Configuration11To change the air flow rate setting5. Press “FAN setting button”.• Indoor unit quiet operationWhen th

SiUS09-651 List of FunctionsList of Functions 3Category FunctionsFDXS09·12DVJURXS09·12DVJUCategory FunctionsFDXS09·12DVJURXS09·12DVJUBasic FunctionInv

SiUS09-651 InstructionSystem Configuration 1292.4.4 POWERFUL Operation12POWERFUL OperationPOWERFUL operation quickly maximizes the cooling (heating) e

Instruction SiUS09-651130 System Configuration2.4.5 OUTDOOR UNIT SILENT Operation13OUTDOOR UNIT SILENT OperationOUTDOOR UNIT SILENT operation lowers t

SiUS09-651 InstructionSystem Configuration 1312.4.6 HOME LEAVE Operation14HOME LEAVE OperationHOME LEAVE operation is a function which allows you to r

Instruction SiUS09-651132 System Configuration15What’s the HOME LEAVE operation?Is there a set temperature and air flow rate which is most comfortabl

SiUS09-651 InstructionSystem Configuration 1332.4.7 TIMER Operation16TIMER OperationTimer functions are useful for automatically switching the air con

Instruction SiUS09-651134 System Configuration17To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the present time

SiUS09-651 InstructionSystem Configuration 1352.4.8 Care and Cleaning18Care and CleaningCAUTION Cleaning the air filter1. Removing the air filter.

Instruction SiUS09-651136 System Configuration19Cleaning the drain pan•Clean the drain pan periodically, or drain piping may be clogged with dust and

SiUS09-651 InstructionSystem Configuration 1372.4.9 Troubleshooting20Trouble ShootingThe following cases are not air conditioner troubles but have som

Instruction SiUS09-651138 System Configuration21Please check again before calling a repair person.Check again.Case CheckThe air conditioner does not o

List of Functions SiUS09-6514 List of Functions

SiUS09-651 InstructionSystem Configuration 13922WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF

Instruction SiUS09-651140 System Configuration3P131999-4H23FAULT DIAGNOSIS BY REMOTE CONTROLLERIn the ARC433A series, the temperature display sections

SiUS09-651Service Diagnosis 141Part 6Service Diagnosis1. Caution for Diagnosis...

Caution for Diagnosis SiUS09-651142 Service Diagnosis1. Caution for DiagnosisThe operation lamp flashes when any of the following errors is detected.1

SiUS09-651 Caution for DiagnosisService Diagnosis 143 The Slim Duct Built-in System 09/12 ClassTroubleshooting with LED IndicationThe outdoor unit ha

Problem Symptoms and Measures SiUS09-651144 Service Diagnosis2. Problem Symptoms and MeasuresSymptom Check Item Details of MeasureReferencePageNone of

SiUS09-651 Service Check FunctionService Diagnosis 1453. Service Check FunctionIn the ARC433A series remote controller, the temperature display sectio

Service Check Function SiUS09-651146 Service DiagnosisCheck Method 21. Enter the diagnosis mode.Press the 3 buttons (TEMP,TEMP, MODE) simultaneously

SiUS09-651 Service Check FunctionService Diagnosis 147The digit of the number of units blinks.5. Press the TEMP button.Press TEMP or TEMP and change

Troubleshooting SiUS09-651148 Service Diagnosis4. Troubleshooting4.1 Error Codes and Description: Displayed only when system-down occurs.Code Indicat

SiUS09-651Specifications 5Part 2Specifications1. Specifications ...

SiUS09-651 TroubleshootingService Diagnosis 1494.2 Indoor Unit PCB AbnormalityRemote Controller DisplayA1Method of Malfunction DetectionEvaluation of

Troubleshooting SiUS09-651150 Service Diagnosis4.3 Freeze-up Protection Control or High Pressure ControlRemote Controller DisplayA5Method of Malfuncti

SiUS09-651 TroubleshootingService Diagnosis 151TroubleshootingCheck No.06Refer to P.198NONONOCheck No. 06Indoor unit heat exchanger thermistor checkCh

Troubleshooting SiUS09-651152 Service Diagnosis4.4 Fan Motor or Related Abnormality4.4.1 AC MotorRemote Controller DisplayA6Method of Malfunction Dete

SiUS09-651 TroubleshootingService Diagnosis 1534.4.2 DC MotorRemote Controller DisplayA6Method of Malfunction DetectionThe rotation speed detected by

Troubleshooting SiUS09-651154 Service DiagnosisTroubleshootingCheck No.01Refer to P.195Replace fan motor.Replace indoor unit PCB.Replace indoor unit P

SiUS09-651 TroubleshootingService Diagnosis 1554.5 Thermistor or Related Abnormality (Indoor Unit)Remote Controller DisplayC4, C9 Method of Malfunctio

Troubleshooting SiUS09-651156 Service Diagnosis4.6 Signal Transmission Error (between Indoor and Outdoor Unit)Remote Controller DisplayU4Method of Mal

SiUS09-651 TroubleshootingService Diagnosis 1574.7 OL Activation (Compressor Overload)Remote Controller DisplayE5Method of Malfunction DetectionA comp

Troubleshooting SiUS09-651158 Service Diagnosis4.8 Compressor Lock4.8.1 09/12 ClassRemote Controller DisplayE6Method of Malfunction DetectionA compres

Specifications SiUS09-6516 Specifications1. SpecificationsThe Single Split Duct-Free System60Hz 208-230VNote: The data are based on the conditions sh

SiUS09-651 TroubleshootingService Diagnosis 1594.8.2 15/18/24 ClassRemote Controller DisplayE6Method of Malfunction DetectionA compressor lock is dete

Troubleshooting SiUS09-651160 Service Diagnosis4.9 DC Fan LockRemote Controller DisplayE7Method of Malfunction DetectionA fan motor or related error i

SiUS09-651 TroubleshootingService Diagnosis 1614.10 Input Over Current Detection4.10.1 09/12 ClassRemote Controller DisplayE8Method of Malfunction Det

Troubleshooting SiUS09-651162 Service Diagnosis4.10.2 15/18/24 Classemote Controller DisplayE8Method of Malfunction DetectionAn input over-current is

SiUS09-651 TroubleshootingService Diagnosis 163TroubleshootingCheck No.07Refer to P.199Check No.08Refer to P.199Check No.14Refer to P.203Replace the o

Troubleshooting SiUS09-651164 Service Diagnosis4.11 Four Way Valve Abnormality4.11.1 09/12 ClassRemote Controller DisplayEAMethod of Malfunction Detec

SiUS09-651 TroubleshootingService Diagnosis 165TroubleshootingCheck No.05Refer to P.196Check No.06Refer to P.198Check No.11Refer to P.201Correct.Recon

Troubleshooting SiUS09-651166 Service Diagnosis4.11.2 15/18/24 ClassRemote Controller DisplayEAMethod of Malfunction DetectionThe room temperature the

SiUS09-651 TroubleshootingService Diagnosis 167TroubleshootingCheck No.05Refer to P.196Check No.06Refer to P.198Check No.11Refer to P.201Correct.Recon

Troubleshooting SiUS09-651168 Service Diagnosis4.12 Discharge Pipe Temperature Control4.12.1 09/12 ClassRemote Controller DisplayF3Method of Malfuncti

SiUS09-651 SpecificationsSpecifications 760Hz 208-230VNote: The data are based on the conditions shown in the table below.ModelIndoor Units FTXS15DVJ

SiUS09-651 TroubleshootingService Diagnosis 1694.12.2 15/18/24 ClassRemote Controller DisplayF3Method of Malfunction DetectionThe discharge pipe tempe

Troubleshooting SiUS09-651170 Service Diagnosis4.13 High Pressure Control in Cooling4.13.1 09/12 ClassRemote Controller DisplayF6Method of Malfunction

SiUS09-651 TroubleshootingService Diagnosis 171TroubleshootingCheck No.04Refer to P.195Check No.06Refer to P.198Check No.07Refer to P.199Check No.09Re

Troubleshooting SiUS09-651172 Service Diagnosis4.13.2 15/18/24 ClassRemote Controller DisplayF6Method of Malfunction DetectionHigh-pressure control (s

SiUS09-651 TroubleshootingService Diagnosis 173TroubleshootingCheck No.04Refer to P.195Check No.06Refer to P.198Check No.07Refer to P.199Check No.09Re

Troubleshooting SiUS09-651174 Service Diagnosis4.14 Position Sensor Abnormality4.14.1 09/12 ClassRemote Controller DisplayH6Method of Malfunction Dete

SiUS09-651 TroubleshootingService Diagnosis 1754.14.2 15/18/24 ClassRemote Controller DisplayH6Method of Malfunction DetectionA compressor startup fai

Troubleshooting SiUS09-651176 Service Diagnosis4.15 DC Voltage / Current Sensor AbnormalityRemote Controller DisplayH8Method of Malfunction DetectionD

SiUS09-651 TroubleshootingService Diagnosis 1774.16 CT or Related AbnormalityRemote Controller DisplayH8Method of Malfunction DetectionA CT or related

Troubleshooting SiUS09-651178 Service DiagnosisTroubleshootingCheck No.12Refer to P.202Turn off the power and turn it on again.Check No. 12Check the c

Specifications SiUS09-6518 Specifications60Hz 208-230VNote: The data are based on the conditions shown in the table below.ModelIndoor Units FTXS24DVJ

SiUS09-651 TroubleshootingService Diagnosis 1794.17 Thermistor or Related Abnormality (Outdoor Unit)Remote Controller DisplayP4, J3, J6, H9Method of M

Troubleshooting SiUS09-651180 Service DiagnosisTroubleshootingCheck No.06Refer to P.198P4 : Radiation fin thermistorJ3 : Discharge pipe thermistorJ6 :

SiUS09-651 TroubleshootingService Diagnosis 1814.18 Electrical Box Temperature RiseRemote Controller DisplayL3Method of Malfunction DetectionAn electr

Troubleshooting SiUS09-651182 Service DiagnosisTroubleshootingCheck No.06Refer to P.198Check No.07Refer to P.199Check No.09Refer to P.200Turn off the

SiUS09-651 TroubleshootingService Diagnosis 1834.19 Radiation Fin Temperature RiseRemote Controller DisplayL4Method of Malfunction DetectionA radiatio

Troubleshooting SiUS09-651184 Service DiagnosisTroubleshootingCheck No.06Refer to P.198Check No.07Refer to P.199Check No.09Refer to P.200Turn off the

SiUS09-651 TroubleshootingService Diagnosis 1854.20 Output Over Current Detection4.20.1 09/12 ClassRemote Controller DisplayL5Method of Malfunction De

Troubleshooting SiUS09-651186 Service DiagnosisTroubleshootingCheck No.07Refer to P.199Check No.08Refer to P.199Check No.13Refer to P.202Note: If the

SiUS09-651 TroubleshootingService Diagnosis 1874.20.2 15/18/24 ClassRemote Controller DisplayL5Method of Malfunction DetectionAn output over-current i

Troubleshooting SiUS09-651188 Service DiagnosisTroubleshootingCheck No.07Refer to P.199Check No.08Refer to P.199Check No.13Refer to P.202Fully open th

SiUS09-651Table of Contents iInverter PairD-SeriesHeat PumpIndoor UnitFTXS09DVJU FDXS09DVJUFTXS12DVJU FDXS12DVJUFTXS15DVJUFTXS18DVJUFTXS24DVJUOutdoor

SiUS09-651 SpecificationsSpecifications 9The Slim Duct Built-in System60Hz 208-230VNote: The data are based on the conditions shown in the table belo

SiUS09-651 TroubleshootingService Diagnosis 1894.21 Insufficient Gas4.21.1 09/12 ClassRemote Controller DisplayU0Method of Malfunction DetectionGas sh

Troubleshooting SiUS09-651190 Service DiagnosisTroubleshootingCheck No.04Refer to P.195Check No.06Refer to P.198Reconnect in position.Open the stop va

SiUS09-651 TroubleshootingService Diagnosis 1914.21.2 15/18/24 ClassRemote Controller DisplayU0Method of Malfunction DetectionGas shortage detection I

Troubleshooting SiUS09-651192 Service DiagnosisTroubleshootingCheck No.04Refer to P.195Check No.06Refer to P.198Reconnect in position.Open the stop va

SiUS09-651 TroubleshootingService Diagnosis 1934.22 Over-voltage DetectionRemote Controller DisplayU2Method of Malfunction DetectionAn abnormal voltag

Troubleshooting SiUS09-651194 Service Diagnosis4.23 Low-voltage DetectionRemote Controller DisplayU2Method of Malfunction DetectionAn abnormal voltage

SiUS09-651 CheckService Diagnosis 1955. Check5.1 How to Check5.1.1 Fan Motor Connector Output CheckCheck No.01 1. Check connector connection.2. Check

Check SiUS09-651196 Service Diagnosis5.1.3 Four Way Valve Performance CheckCheck No.05  09/12 ClassTurn off the power and turn it on again.Start the

SiUS09-651 CheckService Diagnosis 197 15/18/24 ClassTurn off the power and turn it on again.Start the heating-mode run.Replace the outdoor unit PCB.R

Check SiUS09-651198 Service Diagnosis5.1.4 Thermistor Resistance CheckCheck No.06 Remove the connectors of the thermistors on the PCB, and measure the

Specifications SiUS09-65110 Specifications

SiUS09-651 CheckService Diagnosis 1995.1.5 Installation Condition CheckCheck No.075.1.6 Discharge Pressure CheckCheck No.08Installation condition chec

Check SiUS09-651200 Service Diagnosis5.1.7 Outdoor Unit Fan System CheckCheck No.09Check the outdoor unit fan system.Reconnect.(R2857)Outdoor unit fan

SiUS09-651 CheckService Diagnosis 2015.1.8 Power Supply Waveforms CheckCheck No.10 Measure the power supply waveform between pins 1 and 3 on the termi

Check SiUS09-651202 Service Diagnosis5.1.10 Capacitor Voltage CheckCheck No.12 Before this checking, be sure to check the main circuit for short-circu

SiUS09-651 CheckService Diagnosis 2035.1.12 Main Circuit Electrolytic Capacitor CheckCheck No.14  Checking the main circuit electrolytic capacitor N

Check SiUS09-651204 Service Diagnosis5.1.14 Hall IC CheckCheck No.16 1. Check the connector connection.2. With the power ON, operation OFF, and the co

SiUS09-651Removal Procedure 205Part 7Removal Procedure1. FTXS09/12DVJU...

FTXS09/12DVJU SiUS09-651206 Removal Procedure1. FTXS09/12DVJU1.1 Removal of Air FilterProcedure Warning Be sure to wait 10 minutes or more after turni

SiUS09-651 FTXS09/12DVJURemoval Procedure 2072Lift center section of air filter and disengage hooks.Remove air filter by pulling forward. Left and ri

FTXS09/12DVJU SiUS09-651208 Removal Procedure2Remove front panel from the unit.3When restoring the air filter, make sure that the projection parts on

SiUS09-651Printed Circuit Board Connector Wiring Diagram 11Part 3Printed Circuit BoardConnector Wiring Diagram1. Printed Circuit Board Connector Wirin

SiUS09-651 FTXS09/12DVJURemoval Procedure 2091.2 Removal of Front GrilleProcedure Warning Be sure to wait 10 minutes or more after turning off all pow

FTXS09/12DVJU SiUS09-651210 Removal Procedure2. Removal of front grille assembly1Remove the 2 screws, in the right and the left, which fix the main bo

SiUS09-651 FTXS09/12DVJURemoval Procedure 2113The front grille can be removed in a manner to pull out the upper part forward and lift up the lower par

FTXS09/12DVJU SiUS09-651212 Removal Procedure1.3 Removal of Horizontal Blade and Vertical BladeProcedure Warning Be sure to wait 10 minutes or more

SiUS09-651 FTXS09/12DVJURemoval Procedure 213 For restoring. 1. Since the key pattern hook is provided on the left side, insert the edge of the blade

FTXS09/12DVJU SiUS09-651214 Removal Procedure1.4 Removal of Electrical Box, PCB and Swing MotorProcedure Warning Be sure to wait 10 minutes or more af

SiUS09-651 FTXS09/12DVJURemoval Procedure 2155Remove a screw on the terminal board. The electrical box can be removed instead of disengaging the term

FTXS09/12DVJU SiUS09-651216 Removal Procedure7Pull up the electrical box forward to remove. A hook is provided on the behind.Step Procedure Points

SiUS09-651 FTXS09/12DVJURemoval Procedure 2172. Removal of PCB1Remove the shelter.2Disengage the front plate of the electrical box. Disengage the knob

FTXS09/12DVJU SiUS09-651218 Removal Procedure4Disengage the four knobs on the back of the signal receiver PCB.5Signal receiver PCBStep Procedure Point

Printed Circuit Board Connector Wiring Diagram SiUS09-65112 Printed Circuit Board Connector Wiring Diagram1. Printed Circuit Board Connector Wiring Di

SiUS09-651 FTXS09/12DVJURemoval Procedure 2196Control PCB.  The control PCB is integrated with the power supply PCB.3. Remove swing motor assembly.1T

FTXS09/12DVJU SiUS09-651220 Removal Procedure1.5 Removal of Heat ExchangerProcedure Warning Be sure to wait 10 minutes or more after turning off all p

SiUS09-651 FTXS09/12DVJURemoval Procedure 2214Disengage the hooks of the pipe retainer on the back.5Pull auxiliary pipe forward to an angle of 10 to 2

FTXS09/12DVJU SiUS09-651222 Removal Procedure6Disengage hooks located right and left side, and pull heat exchanger forward.The hooks are symmetrically

SiUS09-651 FTXS09/12DVJURemoval Procedure 2231.6 Install of Drain PlugProcedure Warning Be sure to wait 10 minutes or more after turning off all power

FTXS09/12DVJU SiUS09-651224 Removal Procedure4Push the drain plug into the right by Allen wrench. Push it into the inner part firmly.Step Procedure P

SiUS09-651 FTXS09/12DVJURemoval Procedure 2251.7 Removal of Fan Rotor and Fan MotorProcedure Warning Be sure to wait 10 minutes or more after turning

FTXS09/12DVJU SiUS09-651226 Removal Procedure2Disengage hook.3Loosen the hexagon head set screw on the fan rotor.Step Procedure Points

SiUS09-651 FTXS09/12DVJURemoval Procedure 2274Remove the motor and fan rotor.5Remove a screw on the left side plate.Step Procedure Points

FTXS09/12DVJU SiUS09-651228 Removal Procedure6Disengage a hook from the backward.7Since the fan bearing is made of rubber, push it strongly off from t

SiUS09-651 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 13PCB Detail PCB(1): Control PCBPCB(2): Signal

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2292. FTXS15/18/24DVJU2.1 Removal of the Air Filter / Front PanelProcedure Warning Be sure to wait 1

FTXS15/18/24DVJU SiUS09-651230 Removal Procedure2Lift an air filter upwards slightly by the center knob, and then pull it out downwards. The right an

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2313. Remove an “air purifying filter with photocatalytic deodorizing function”.1Push up the bottom of an

FTXS15/18/24DVJU SiUS09-651232 Removal Procedure4. Remove the front panel.1While opening the front panel further than it stops, release both axes and

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2332.2 Removal of the Front GrilleProcedure Warning Be sure to wait 10 minutes or more after turning

FTXS15/18/24DVJU SiUS09-651234 Removal Procedure2Undo the three hooks on the top of the front grille. The front grille has three hooks on the center

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2353Pull the upper part of the front grille out and lift the lower part up, and then remove the front gri

FTXS15/18/24DVJU SiUS09-651236 Removal Procedure2.3 Removal of the Horizontal Blades / Vertical BladesProcedure Warning Be sure to wait 10 minute

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 237 Installation procedure1. Since key pattern hook is provided, rotate the blades and fit it to the rig

FTXS15/18/24DVJU SiUS09-651238 Removal Procedure3Pull the vertical blades rightwards and remove it.StepProcedure Points

Printed Circuit Board Connector Wiring Diagram SiUS09-65114 Printed Circuit Board Connector Wiring Diagram1.2 FTXS15/18/24DVJUConnectorsNote: Other de

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2392.4 Removal of the Electrical Box / PCB / Swing MotorProcedure Warning Be sure to wait 10 minutes

FTXS15/18/24DVJU SiUS09-651240 Removal Procedure3. Disconnect the indoor heat exchanger thermistor and the earth Mind that not to lose the clip for t

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2413Disconnect the connectors for swing motor (S6, S8).4Loosen the fixing screw of the electrical box.5Di

FTXS15/18/24DVJU SiUS09-651242 Removal Procedure6Pull the electrical box out towards you. Hook the back hook of the electrical box when reassembling.

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2439Press the receiver units down and release the hooks on the upper side, and then undo the hooks on the

FTXS15/18/24DVJU SiUS09-651244 Removal Procedure12Cut the clamp.  Clamps should be always available. Fix it as it was before.5. Remove the control PC

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2456. Remove the swing motor for horizontal blades.1Remove the screw of the swing motor.7. Remove the swi

FTXS15/18/24DVJU SiUS09-651246 Removal Procedure2Loosen the 2 screws and detach the swing motor assembly.3Loosen the 2 screws and remove the swing mot

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2472.5 Removal of the Heat ExchangerProcedure Warning Be sure to wait 10 minutes or more after turni

FTXS15/18/24DVJU SiUS09-651248 Removal Procedure3Unscrew the flare nut for liquid piping by 2 wrenches.2. Remove the indoor unit.1Detach the indoor un

SiUS09-651 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 15PCB Detail PCB(1): Control PCB (indoor unit)

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2492Release the hooks on the left side.3Push the fixing hooks on the right side and release.4Pull the hea

FTXS15/18/24DVJU SiUS09-651250 Removal Procedure2.6 Removal of the Fan Rotor / Fan MotorProcedure Warning Be sure to wait 10 minutes or more afte

SiUS09-651 FTXS15/18/24DVJURemoval Procedure 2512Loosen the fixing screw of the fan rotor.3. Remove the fan motor1Remove the fan motor.  Reassembling

FTXS15/18/24DVJU SiUS09-651252 Removal Procedure2Loosen the 2 screws and remove the mounting plate for the bearing.3The bearing is made of rubber. Pus

SiUS09-651 RXS09/12DVJURemoval Procedure 2533. RXS09/12DVJU3.1 Removal of Panels and Fan MotorProcedure Warning Be sure to wait 10 minutes or more aft

RXS09/12DVJU SiUS09-651254 Removal Procedure The stop valve cover is united with the shelter. When reassembling, make sure to fit the 5 hooks.2. Rem

SiUS09-651 RXS09/12DVJURemoval Procedure 2553Disconnect the connector for fan motor (S70). The fan motor is united with the front panel.4Loosen the 5

RXS09/12DVJU SiUS09-651256 Removal Procedure3. Remove the fan motor  The screw has reverse winding.1Unscrew the washer-fitted nut (M10) of the propel

SiUS09-651 RXS09/12DVJURemoval Procedure 2573Loosen the 2 screws and lift the bell mouth to undo the hooks.Remove the bell mouth.4Loosen the fixing ho

RXS09/12DVJU SiUS09-651258 Removal Procedure5Loosen the 4 screws to remove the fan motor. M4×16 DC fan motor6Loosen the 2 screws to remove the fan m

Printed Circuit Board Connector Wiring Diagram SiUS09-65116 Printed Circuit Board Connector Wiring Diagram1.3 FDXS09/12DVJUConnectorsPCB (1) (Control

SiUS09-651 RXS09/12DVJURemoval Procedure 2594. Remove the right side panel.1Loosen the 2 screws on the rear side.2Loosen the 3 screws on the right sid

RXS09/12DVJU SiUS09-651260 Removal Procedure When reassembling, make sure to fit the hook.StepProcedure Points

SiUS09-651 RXS09/12DVJURemoval Procedure 2613.2 Removal of Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after turning off all po

RXS09/12DVJU SiUS09-651262 Removal Procedure4Release the discharge pipe thermistor. Pay attention so as not to lose the clip for thermistor.5Release

SiUS09-651 RXS09/12DVJURemoval Procedure 2633.3 Removal of Reactor and Partition PlateProcedure Warning Be sure to wait 10 minutes or more after turni

RXS09/12DVJU SiUS09-651264 Removal Procedure2. Remove the partition plate.1Loosen the 2 screws.2The partition plate has a hook on the lower side. Lift

SiUS09-651 RXS09/12DVJURemoval Procedure 2653.4 Removal of Sound BlanketProcedure Warning Be sure to wait 10 minutes or more after turning off all pow

RXS09/12DVJU SiUS09-651266 Removal Procedure3Lift and remove the sound blanket (top).4Pull the sound blanket (inner) out. Since the piping ports on t

SiUS09-651 RXS09/12DVJURemoval Procedure 2675Pull the sound blanket (bottom) out.StepProcedure Points

RXS09/12DVJU SiUS09-651268 Removal Procedure3.5 Removal of Four Way ValveProcedure Warning Be sure to wait 10 minutes or more after turning off all po

SiUS09-651 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 17PCB Detail PCB (2): Display PCB

SiUS09-651 RXS09/12DVJURemoval Procedure 2693Remove the sheets of putty.Cut the pipe with a tube cutter.4Heat up the brazed part and withdraw the pipi

RXS09/12DVJU SiUS09-651270 Removal Procedure3.6 Removal of CompressorProcedure Warning Be sure to wait 10 minutes or more after turning off all power

SiUS09-651 RXS09/12DVJURemoval Procedure 2712Heat up the brazed part of the discharge side and disconnect.In case of the difficulty with gas brazing m

RXS09/12DVJU SiUS09-651272 Removal Procedure4Lift the compressor up and remove it.StepProcedure Points

SiUS09-651 RXS09/12DVJURemoval Procedure 2733.7 Removal of PCBProcedure Warning Be sure to wait 10 minutes or more after turning off all power supplie

RXS09/12DVJU SiUS09-651274 Removal Procedure3Release the earth terminal.4Loosen the 4 screws.5Undo the 3 hooks on the upper side.StepProcedure Points

SiUS09-651 RXS09/12DVJURemoval Procedure 2756Lift and pull out the PCB.7Feature of the PCBS70: fan motorS80: four way valveS90: thermistor (outdoor ai

RXS15/18/24DVJU SiUS09-651276 Removal Procedure4. RXS15/18/24DVJU4.1 Removal of the Panels and PlatesProcedure Warning Be sure to wait 10 minutes

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2772Loosen the 4 screws and remove the discharge grille. The front grille has 4 hooks. Slide the discharg

RXS15/18/24DVJU SiUS09-651278 Removal Procedure4Push the front panel and undo the hook. Lift the clamp plate and remove it.5Undo the right side hook,

Printed Circuit Board Connector Wiring Diagram SiUS09-65118 Printed Circuit Board Connector Wiring Diagram1.4 RXS09/12DVJUConnectors PCB(1)(Filter PCB

SiUS09-651 RXS15/18/24DVJURemoval Procedure 279 Lift the front panel and undo the left side hooks. Fit the left side of the front panel first when i

RXS15/18/24DVJU SiUS09-651280 Removal Procedure2Pull down the stop valve cover to undo the hooks and remove it. The stop valve cover has 6 hooks.Step

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2814.2 Removal of the Fan Motor / Propeller FanProcedure Warning Be sure to wait 10 minutes or more a

RXS15/18/24DVJU SiUS09-651282 Removal Procedure2. Remove the fan motor.1Disconnect the connector for fan motor (S70).2The illustration shows arrangeme

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2833Unscrew the washer-fitted nut (M10) of the propeller fan with a spanner. Align  mark of the propelle

RXS15/18/24DVJU SiUS09-651284 Removal Procedure5Pull the fan motor out.  Put the lead wire through the back of the motor when reassembling. (so as no

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2854.3 Removal of the PCB / Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after

RXS15/18/24DVJU SiUS09-651286 Removal Procedure3Loosen the fixing screw of the electrical box. Insert the two hooks of the lower part and the one hoo

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2872. Disconnect harnesses.1Loosen the fixing screw of the cable way board. Service monitor PCB2Push the

RXS15/18/24DVJU SiUS09-651288 Removal Procedure4Disconnect the connectors of the front side.S20: electronic expansion valveS40: overload protectorS80:

SiUS09-651ii Table of Contents1. Introduction ... vi1.1 Sa

SiUS09-651 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 19PCB Detail PCB(1): Filter PCBPCB(2): Control

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2897Disconnect the harnesses while opening the control PCB.S10: to the terminal stripAC2: to the terminal

RXS15/18/24DVJU SiUS09-651290 Removal Procedure10Control PCB (outdoor unit)S10: to the terminal stripS20: electronic expansion valveS31: to CN14 of th

SiUS09-651 RXS15/18/24DVJURemoval Procedure 29112Release the clamp by pliers.13Disconnect the reactor harness.StepProcedure Points(R2715)

RXS15/18/24DVJU SiUS09-651292 Removal Procedure14Pull the clamp and draw the thermistor harness out from the back of the electrical box. 15Loosen the

SiUS09-651 RXS15/18/24DVJURemoval Procedure 29316Release the clamp of the four way valve harness.17Lift the electrical box and remove it.StepProcedure

RXS15/18/24DVJU SiUS09-651294 Removal Procedure4.4 Removal of the ReactorProcedure Warning Be sure to wait 10 minutes or more after turning off a

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2953Lift the partition plate and remove it.4Loosen the screw.Slide the reactor and remove it from the part

RXS15/18/24DVJU SiUS09-651296 Removal Procedure4.5 Removal of the Sound BlanketProcedure Warning Be sure to wait 10 minutes or more after turning

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2973Cut the clamp by nippers.Disconnect the outdoor heat exchanger thermistor. Clamps should be always a

RXS15/18/24DVJU SiUS09-651298 Removal Procedure6Remove the sound blanket (top-lower).7Remove the sound blanket (side-inner). Since the piping ports o

Printed Circuit Board Connector Wiring Diagram SiUS09-65120 Printed Circuit Board Connector Wiring Diagram1.5 RXS15/18/24DVJUConnectors PCB(1)(Control

SiUS09-651 RXS15/18/24DVJURemoval Procedure 2994.6 Removal of the Four Way ValveProcedure Warning Be sure to wait 10 minutes or more after turnin

RXS15/18/24DVJU SiUS09-651300 Removal Procedure4.7 Removal of the Electronic Expansion ValveProcedure Warning Be sure to wait 10 minutes or more

SiUS09-651 RXS15/18/24DVJURemoval Procedure 3014.8 Removal of the CompressorProcedure Warning Be sure to wait 10 minutes or more after turning of

RXS15/18/24DVJU SiUS09-651302 Removal Procedure3Unscrew the nut of the compressor.4Remove the putty of the accumulator. Before working, make sure tha

SiUS09-651Others 303Part 8Others1. Others ...3041.1 Test

Others SiUS09-651304 Others1. Others1.1 Test Run from the Remote ControllerFor Heat pump In cooling mode, select the lowest programmable temperature;

SiUS09-651 OthersOthers 3051.2 Jumper Settings1.2.1 When Two Units are Installed in One RoomWhen two indoor units are installed in one room, the two w

SiUS09-651Appendix 307Part 9Appendix1. Piping Diagrams...3081.1 Indoor

Piping Diagrams SiUS09-651308 Appendix1. Piping Diagrams1.1 Indoor Units1.1.1 The Single Split Duct-Free System1.1.2 The Slim Duct Built-in SystemFDXS

SiUS09-651 Piping DiagramsAppendix 3091.2 Outdoor UnitsRXS09DVJURXS12DVJU3/8CuT3/8CuT9/32CuT9/32CuTTHERMISTORDISCHARGE PIPEOUTDOOR UNITMUFFLERPROPELLE

SiUS09-651 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 21PCB Detail PCB(1): Control PCB (outdoor unit

Piping Diagrams SiUS09-651310 AppendixRXS15/18DVJURXS24DVJUOUTDOOR UNIT1/2CuT1/2CuT5/16CuT5/16CuT5/16CuT5/16CuT5/16CuT5/16CuT5/16CuTDISCHARGE PIPETHER

SiUS09-651 Wiring DiagramsAppendix 3112. Wiring Diagrams2.1 Indoor Units2.1.1 The Single Split Duct-Free SystemFTXS09/12DVJUFTXS15/18/24DVJULED1PCB2PC

Wiring Diagrams SiUS09-651312 Appendix2.1.2 The Slim Duct Built-in SystemFDXS09/12DVJUPCB2RECEIVERSIGNALLEDH1PCONTROLLERREMOTEWIRELESS LEDH2PS1WLEDH3P

SiUS09-651 Wiring DiagramsAppendix 3132.2 Outdoor UnitsRXS09/12DVJURXS15/18/24DVJUTO INDOOR UNIT60Hz 208/230V~POWER SUPPLYL2L1NOTE1. REFER TO THE NAME

SiUS09-651Index iIndexNumerics00 ... 1483 minutes stand-by ...

SiUS09-651ii Indexdrain hose ...220, 223drain plug ...

SiUS09-651Index iiihorizontal blade ... 212, 236hot start function ...

SiUS09-651iv Indexreceiver units ...243remote controller ...

SiUS09-651Drawings & Flow Charts vDrawings & Flow ChartsAARC433A ...145automati

SiUS09-651vi Drawings & Flow ChartsPOWERFUL operation ...36programme dry function ...

Printed Circuit Board Connector Wiring Diagram SiUS09-65122 Printed Circuit Board Connector Wiring DiagramMIDSPMS34S72(R2868)S70FU201 (3.15A)(R2869)CN

This book is made of recycled paper.z Always use a licensed installer or contractor to install this product. Do not try to install the product yoursel

SiUS09-651Function and Control 23Part 4 Function and Control1. Main Functions...

SiUS09-65124 Function and Control4.11 Defrost Control ... 614.1

SiUS09-651 Main FunctionsFunction and Control 251. Main FunctionsNote: See the list of functions for the functions applicable to different models.1.1

Main Functions SiUS09-65126 Function and ControlInverter Features The inverter provides the following features: The regulating capacity can be change

SiUS09-651 Main FunctionsFunction and Control 271.2 Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing (Only for the Single Split Duct-Free S

Main Functions SiUS09-65128 Function and Control1.3 Fan Speed Control for Indoor UnitsControl Mode The airflow rate can be automatically controlled de

SiUS09-651Table of Contents iii3.13 Forced Operation Mode ... 523.14 Addition

SiUS09-651 Main FunctionsFunction and Control 291.4 Program Dry FunctionProgram dry function removes humidity while preventing the room temperature fr

Main Functions SiUS09-65130 Function and Control1.5 Automatic OperationAutomatic Cooling / Heating Function (Heat Pump Only)When the AUTO mode is sele

SiUS09-651 Main FunctionsFunction and Control 311.6 Thermostat ControlThermostat control is based on the difference between the room temperature and t

Main Functions SiUS09-65132 Function and Control1.7 NIGHT SET ModeWhen the OFF timer is set, the NIGHT SET circuit automatically activates.The NIGHT S

SiUS09-651 Main FunctionsFunction and Control 331.8 INTELLIGENT EYEThis is the function that detects existence of humans in the room by a human motion

Main Functions SiUS09-65134 Function and Control Since the set temperature is shifted by Δ3.6°F higher for 40 minutes, compressor speed becomes low a

SiUS09-651 Main FunctionsFunction and Control 351.9 HOME LEAVE OperationOutline In order to respond to the customer's need for immediate heating

Main Functions SiUS09-65136 Function and Control1.10 Inverter Powerful OperationOutline In order to exploit the cooling and heating capacity to full e

SiUS09-651 Main FunctionsFunction and Control 371.11 Other Functions1.11.1 Hot Start FunctionHeat Pump OnlyIn order to prevent the cold air blast that

Main Functions SiUS09-65138 Function and Control1.11.4 Air Purifying Filter with Photocatalytic Deodorizing FunctionThe Single Split Duct-Free System

SiUS09-651iv Table of Contents4.16 CT or Related Abnormality ... 1774.17 Thermistor

SiUS09-651 Function of ThermistorFunction and Control 392. Function of Thermistor2.1 Heat Pump ModelA Outdoor Heat Exchanger Thermistor (DCB)1. The

Control Specification (09/12 Class) SiUS09-65140 Function and Control3. Control Specification (09/12 Class)3.1 Mode HierarchyOutline There are two mod

SiUS09-651 Control Specification (09/12 Class)Function and Control 413.2 Frequency ControlOutline Frequency will be determined according to the differ

Control Specification (09/12 Class) SiUS09-65142 Function and ControlIndoor Frequency Command (ΔD signal)The difference between a room temperature and

SiUS09-651 Control Specification (09/12 Class)Function and Control 433.3 Controls at Mode Changing / Start-up3.3.1 Preheating OperationOutline Operate

Control Specification (09/12 Class) SiUS09-65144 Function and Control3.3.4 3-minutes StandbyProhibit to turn ON the compressor for 3 minutes after tur

SiUS09-651 Control Specification (09/12 Class)Function and Control 453.5 Input Current ControlOutline Detect an input current by the CT during the com

Control Specification (09/12 Class) SiUS09-65146 Function and Control3.7 Heating Peak-cut ControlOutline Heat Pump OnlyDuring heating operation, the s

SiUS09-651 Control Specification (09/12 Class)Function and Control 473.10 Defrost ControlOutline Heat Pump OnlyDefrosting is carried out by the coolin

Control Specification (09/12 Class) SiUS09-65148 Function and Control3.11 Electronic Expansion Valve ControlOutline The following items are included i

SiUS09-651Table of Contents vPart 8 Others...3031. Others ...

SiUS09-651 Control Specification (09/12 Class)Function and Control 493.11.1 Fully Closing with Power ONInitialize the electronic expansion valve when

Control Specification (09/12 Class) SiUS09-65150 Function and Control3.11.7 Control when frequency is changedWhen the target discharge pipe temperatur

SiUS09-651 Control Specification (09/12 Class)Function and Control 513.12 Malfunctions3.12.1 Sensor Malfunction DetectionSensor malfunction may occur

Control Specification (09/12 Class) SiUS09-65152 Function and ControlDetail I Judgment by power consumptionWhen an output frequency is exceeds 55 Hz a

SiUS09-651 Control Specification (15/18/24 Class)Function and Control 534. Control Specification (15/18/24 Class)4.1 Mode HierarchyOutline There are t

Control Specification (15/18/24 Class) SiUS09-65154 Function and Control4.2 Frequency ControlOutline Frequency will be determined according to the dif

SiUS09-651 Control Specification (15/18/24 Class)Function and Control 55Indoor Frequency Command (ΔD signal)The difference between a room temperature

Control Specification (15/18/24 Class) SiUS09-65156 Function and Control4.3 Controls at Mode Changing / Start-up4.3.1 Preheating OperationOutline Oper

SiUS09-651 Control Specification (15/18/24 Class)Function and Control 574.3.5 Compressor Protection FunctionWhen turning the compressor from OFF to ON

Control Specification (15/18/24 Class) SiUS09-65158 Function and Control4.5 Input Current ControlOutline Detect an input current by the CT during the

Introduction SiUS09-651vi1. Introduction1.1 Safety CautionsCautions and Warnings Be sure to read the following safety cautions before conducting repa

SiUS09-651 Control Specification (15/18/24 Class)Function and Control 594.6 Freeze-up Protection ControlOutline During cooling operation, the signals

Control Specification (15/18/24 Class) SiUS09-65160 Function and Control4.8 Fan ControlOutline Fan control is carried out according to the following p

SiUS09-651 Control Specification (15/18/24 Class)Function and Control 614.10 Low Hz High Pressure LimitOutline Heat Pump OnlySet the upper limit of hi

Control Specification (15/18/24 Class) SiUS09-65162 Function and Control4.12 Electronic Expansion Valve Control Outline The following items are includ

SiUS09-651 Control Specification (15/18/24 Class)Function and Control 634.12.1 Fully Closing with Power ONInitialize the electronic expansion valve wh

Control Specification (15/18/24 Class) SiUS09-65164 Function and Control4.12.7 Control when frequency is changedWhen the target discharge pipe tempera

SiUS09-651 Control Specification (15/18/24 Class)Function and Control 654.13 Malfunctions4.13.1 Sensor Malfunction DetectionSensor malfunction may occ

Control Specification (15/18/24 Class) SiUS09-65166 Function and Control4.14 Forced Operation ModeOutline Forced operating mode includes only forced c

SiUS09-651System Configuration 67Part 5System Configuration1. System Configuration...

System Configuration SiUS09-65168 System Configuration1. System ConfigurationAfter the installation and test operation of the room air conditioner hav

SiUS09-651 Introductionvii1.1.2 Cautions Regarding Products after RepairDo not start or stop the air conditioner operation by plugging or unplugging t

SiUS09-651 InstructionSystem Configuration 692. Instruction2.1 Safety Precautions2Safety precautions• Keep this manual where the operator can easily f

Instruction SiUS09-65170 System Configuration3CAUTION•The air conditioner must be grounded to the earth. Improper grounding may result in electric sho

SiUS09-651 InstructionSystem Configuration 712.2 The Single Split Duct-Free System FTXS09/12DVJU2.2.1 Names of Parts4  EnglishNames of parts Indoor

Instruction SiUS09-65172 System Configuration English 5 Outdoor UnitIndoor Unit1. Air filter2. Air-purifying filter with photocatalytic deodorizing

SiUS09-651 InstructionSystem Configuration 736  English Remote Controller1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It

Instruction SiUS09-65174 System Configuration2.2.2 Preparation before Operation7Preparation Before Operation To set the batteries1. Slide the front c

SiUS09-651 InstructionSystem Configuration 758  EnglishPreparation Before Operation To operate the remote controller• To use the remote controller,

Instruction SiUS09-65176 System Configuration9To set the clock1. Press “CLOCK button”. is displayed. blinks.2. Press “TIMER setting button” to set t

SiUS09-651 InstructionSystem Configuration 772.2.3 AUTO • DRY • COOL • HEAT • FAN Operation10  EnglishAUTO · DRY · COOL · HEAT · FAN OperationThe air

Instruction SiUS09-65178 System Configuration English 11 To change the airflow rate setting5. Press “FAN setting button”.• Indoor unit quiet operati

Introduction SiUS09-651viii Be sure to install the product correctly by using the provided standard installation frame.Incorrect use of the installati

SiUS09-651 InstructionSystem Configuration 792.2.4 Adjusting the Airflow Direction12  EnglishAdjusting the Airflow DirectionYou can adjust the airflo

Instruction SiUS09-65180 System Configuration English 13 To adjust the vertical blades (louvers)Hold the knob and move the louvers.(You will find a

SiUS09-651 InstructionSystem Configuration 812.2.5 POWERFUL Operation14  EnglishPOWERFUL OperationPOWERFUL operation quickly maximizes the cooling

Instruction SiUS09-65182 System Configuration2.2.6 OUTDOOR UNIT SILENT OperationOUTDOOR UNIT SILENT OperationOUTDOOR UNIT SILENT operation lowers the

SiUS09-651 InstructionSystem Configuration 832.2.7 HOME LEAVE Operation16  EnglishHOME LEAVE OperationHOME LEAVE operation is a function which allows

Instruction SiUS09-65184 System Configuration English 17 What’s the HOME LEAVE operation?Is there a set temperature and airflow rate which is most c

SiUS09-651 InstructionSystem Configuration 852.2.8 INTELLIGENT EYE Operation18  EnglishINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infrared sen

Instruction SiUS09-65186 System Configuration English 19 To adjust the angle of the INTELLIGENT EYE sensor• You can adjust the angle of the INTELLIG

SiUS09-651 InstructionSystem Configuration 872.2.9 TIMER Operation20  EnglishTIMER OperationTimer functions are useful for automatically switching th

Instruction SiUS09-65188 System Configuration English 21 To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the pr