Daikin FTKS60FV1B Specifications

[Applied Models] Inverter Multi : Cooling Only Inverter Multi : Heat PumpF-SeriesSiBE12 - 713

SiBE12-713 Introductionix1.2 Used IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is desc

SiBE12-713 Control SpecificationFunction and Control 893.6 Freeze-up Protection ControlOutline During cooling operation, the signals being sent from t

Control Specification SiBE12-71390 Function and Control3.8 Fan ControlOutline Fan control is carried out with following functions.1. Fan ON control fo

SiBE12-713 Control SpecificationFunction and Control 913.10 Defrost ControlOutline Heat Pump OnlyDefrosting is carried out by the cooling cycle (rever

Control Specification SiBE12-71392 Function and Control3.11 Electronic Expansion Valve ControlOutline The following items are included in the electron

SiBE12-713 Control SpecificationFunction and Control 93Detail The followings are the examples of control which function in each mode by the electronic

Control Specification SiBE12-71394 Function and Control3.11.1 Fully Closing with Power ONInitialize the electronic expansion valve when turning on the

SiBE12-713 Control SpecificationFunction and Control 953.11.7 Disconnection of the Discharge Pipe ThermistorOutline Detect a disconnected discharge pi

Control Specification SiBE12-71396 Function and Control3.12 Malfunctions3.12.1 Sensor Malfunction DetectionSensor malfunction may occur either in the

SiBE12-713 Control SpecificationFunction and Control 97Detail Judgment by Input CurrentWhen an output frequency is exceeds 55 Hz and the input current

Control Specification SiBE12-71398 Function and Control3.14 Wiring-Error CheckOutline The convenient Wiring Error Check function is designed for the m

Introduction SiBE12-713x

SiBE12-713 Control SpecificationFunction and Control 99Checking the current setting data on the microcomputer memoryThose data can be checked by looki

Control Specification SiBE12-713100 Function and Control3.15 Additional Function3.15.1 Priority Room Setting Electronic expansion valves are controlle

SiBE12-713 Control SpecificationFunction and Control 1013.15.3 Cooling / Heating Mode LockUse the S15 connector to set the unit to only cool or heat.S

Control Specification SiBE12-713102 Function and Control

SiBE12-713Operation Manual 103Part 5Operation Manual1. System Configuration...1

System Configuration SiBE12-713104 Operation Manual1. System Configuration1.1 Operation InstructionsAfter the installation and test operation of the r

SiBE12-713 InstructionOperation Manual 1052. Instruction2.1 FTK(X)S, FTXG, CTXG, FDK(X)S, FLK(X)S Series2.1.1 Manual Contents and Reference Page : Il

Instruction SiBE12-713106 Operation Manual2.1.2 Safety PrecautionsSafety precautions•Keep this manual where the operator can easily find them.•Read th

SiBE12-713 InstructionOperation Manual 107•Do not stand or sit on the outdoor unit. Do not place any object on the unit to avoid injury, do not remove

Instruction SiBE12-713108 Operation Manual2.1.3 Names of PartsFTK(X)S 20/25/35/50 DNames of parts Indoor UnitON/OFF16 141315121345791011862

SiBE12-713List of Functions 1Part 1List of Functions1. List of Functions ...

SiBE12-713 InstructionOperation Manual 109 Outdoor UnitIndoor Unit1. Air filter2. Titanium Apatite Photocatalytic Air-Purifying Filter:•These filter

Instruction SiBE12-713110 Operation Manual Remote Controller1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It displays the

SiBE12-713 InstructionOperation Manual 111FTK(X)S 20/25/35 CNames of parts Indoor Unit

Instruction SiBE12-713112 Operation Manual Outdoor UnitIndoor Unit1. Air filter2. Air purifying filter with photocatalytic deodorizing function:•The

SiBE12-713 InstructionOperation Manual 113 Remote Controller1. Signal transmitter:•It sends signals to the indoor unit.2. Display:• It displays the c

Instruction SiBE12-713114 Operation ManualFTK(X)S 50/60/71 FNames of parts Indoor Unit12431011978151213141665

SiBE12-713 InstructionOperation Manual 115 Outdoor UnitIndoor Unit1.Air filter2. Titanium Apatite Photocatalytic Air-Purifying Filter3. Air inlet4.

Instruction SiBE12-713116 Operation Manual Remote Controller1. Signal transmitter:•It sends signals to the indoor unit.2. Display:•It displays the cu

SiBE12-713 InstructionOperation Manual 117FTXG 25/35 E, CTXG 50 ENames of parts Indoor Unit15141812131713462111657 8 910(With the panel closed)

Instruction SiBE12-713118 Operation Manual Outdoor UnitIndoor Unit1. Air filter2. Titanium Apatite PhotocatalyticAir-Purifying Filter:• These filters

List of Functions SiBE12-7132 List of Functions1. List of Functions1.1 Cooling Only ModelsCategory FunctionsFTKS20-35D3VMW(L)FTKS50D2V1W(L)Category Fu

SiBE12-713 InstructionOperation Manual 119 Remote Controller1. Signal transmitter:•It sends signals to the indoor unit.2. Display:• It displays the c

Instruction SiBE12-713120 Operation ManualFDK(X)S 25/35/50/60 C, FDK(X)S 25/35 ENames of partsIndoor Unit36891071452

SiBE12-713 InstructionOperation Manual 121 Outdoor UnitIndoor Unit1. Air outlet2. Air outlet grille: (Field supply)•Appearance of the Air outlet gri

Instruction SiBE12-713122 Operation Manual Remote Controller1. Signal transmitter:•It sends signals to the indoor unit.2. Display:•It displays the cu

SiBE12-713 InstructionOperation Manual 123FLK(X)S 25/35/50/60 BNames of parts Indoor UnitThe indoor unit can be installed either to the ceiling or to

Instruction SiBE12-713124 Operation Manual Outdoor UnitIndoor Unit1. Louvers (vertical blades):The louvers are inside of the air outlet.2. Air outle

SiBE12-713 InstructionOperation Manual 125 Remote Controller1. Signal transmitter:•It sends signals to the indoor unit.2. Display:• It displays the c

Instruction SiBE12-713126 Operation Manual2.1.4 Preparation Before OperationPreparation Before Operation To set the batteries1. Slide the front cover

SiBE12-713 InstructionOperation Manual 127Preparation Before Operation To operate the remote controller•To use the remote controller, aim the transmi

Instruction SiBE12-713128 Operation Manual To set the clock1. Press “CLOCK button”.is displayed.blinks.2.Press “TIMER setting button” to set the cloc

SiBE12-713 List of FunctionsList of Functions 3Category FunctionsFTKS20-35CAVMBFTKS50-71FV1BCategory FunctionsFTKS20-35CAVMBFTKS50-71FV1BBasic Functio

SiBE12-713 InstructionOperation Manual 1292.1.5 AUTO • DRY • COOL • HEAT • FAN OperationAUTO · DRY · COOL · HEAT · FAN OperationThe air conditioner op

Instruction SiBE12-713130 Operation Manual To change the air flow rate setting5. Press “FAN setting button”.• Indoor unit quiet operationWhen the air

SiBE12-713 InstructionOperation Manual 1312.1.6 Adjusting the Air Flow DirectionFTK(X)S 20/25/35/50 DAdjusting the Air Flow DirectionYou can adjust th

Instruction SiBE12-713132 Operation Manual To start COMFORT AIRFLOW operation3. Press “COMFORT AIRFLOW button”.•The flap position will change, preven

SiBE12-713 InstructionOperation Manual 133FTK(X)S 20/25/35 CAdjusting the Air Flow DirectionYou can adjust the air flow direction to increase your com

Instruction SiBE12-713134 Operation Manual To adjust the vertical blades (louvers)Hold the knob and move the louvers.(You will find a knob on the lef

SiBE12-713 InstructionOperation Manual 135FTK(X)S 50/60/71 FAdjusting the Air Flow DirectionYou can adjust the air flow direction to increase your com

Instruction SiBE12-713136 Operation Manual13 To 3-D Airflow1. 3. Press the “SWING button ” and the “SWING button ”:the “ ” and “ ” display will lig

SiBE12-713 InstructionOperation Manual 137FTXG 25/35 E, CTXG 50 EAdjusting the Air Flow DirectionYou can adjust the air flow direction to increase you

Instruction SiBE12-713138 Operation Manual To start COMFORT AIRFLOW operation5. Press “COMFORT AIRFLOW button”.• The flap orientation will change, pr

List of Functions SiBE12-7134 List of FunctionsCategory FunctionsFDKS25/35CAVMBFDKS50/60CVMBFDKS25/35EAVMBCategory FunctionsFDKS25/35CAVMBFDKS50/60CVM

SiBE12-713 InstructionOperation Manual 139FLK(X)S 25/35/50/60 BAdjusting the Air Flow DirectionYou can adjust the air flow direction to increase your

Instruction SiBE12-713140 Operation Manual To adjust the vertical blades (louvers)• When adjusting the louver, use a robust and stable stool and watc

SiBE12-713 InstructionOperation Manual 1412.1.7 POWERFUL OperationPOWERFUL OperationPOWERFUL operation quickly maximizes the cooling (heating) effect

Instruction SiBE12-713142 Operation Manual2.1.8 OUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET operation lowers the noise

SiBE12-713 InstructionOperation Manual 1432.1.9 ECONO OperationECONO OperationECONO operation is a function which enables efficient operation by lower

Instruction SiBE12-713144 Operation Manual2.1.10 HOME LEAVE OperationHOME LEAVE OperationHOME LEAVE operation is a function which allows you to record

SiBE12-713 InstructionOperation Manual 145 What’s the HOME LEAVE operation?Is there a set temperature and air flow rate which is most comfortable, a

Instruction SiBE12-713146 Operation Manual2.1.11 INTELLIGENT EYE OperationFTK(X)S 20/25/35/50 DINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infra

SiBE12-713 InstructionOperation Manual 147INTELLIGENT EYE Operation“INTELLIGENT EYE” is useful for Energy SavingNotes on “INTELLIGENT EYE”CAUTIONEner

Instruction SiBE12-713148 Operation ManualFTK(X)S 20/25/35 CINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infrared sensor which detects the human

SiBE12-713 List of FunctionsList of Functions 5Category FunctionsFLKS25-60BAVMBFVXS25-50FV1BFHQ35-60BVV1BCategory FunctionsFLKS25-60BAVMBFVXS25-50FV1B

SiBE12-713 InstructionOperation Manual 149 To adjust the angle of the INTELLIGENT EYE sensor• You can adjust the angle of the INTELLIGENT EYE sensor

Instruction SiBE12-713150 Operation ManualFTK(X)S 50/60/71 FINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infrared sensor which detects the human

SiBE12-713 InstructionOperation Manual 151“INTELLIGENT EYE” is useful for Energy Saving.Notes on “INTELLIGENT EYE”CAUTIONEnergy saving operation•Chan

Instruction SiBE12-713152 Operation ManualFTXG 25/35 E, CTXG 50 EINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infrared sensor which detects the h

SiBE12-713 InstructionOperation Manual 153“INTELLIGENT EYE” is useful for Energy SavingNotes on “INTELLIGENT EYE”CAUTIONEnergy saving operation• Chang

Instruction SiBE12-713154 Operation Manual2.1.12 TIMER OperationTIMER OperationTimer functions are useful for automatically switching the air conditio

SiBE12-713 InstructionOperation Manual 155 To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the present time. 1.

Instruction SiBE12-713156 Operation Manual2.1.13 Note for Multi SystemNote for Multi System〈〈 What is a “Multi System”? 〉〉This system has one outdoor

SiBE12-713 InstructionOperation Manual 157Note for Multi System Priority Room SettingThe Priority Room Setting requires initial programming during in

Instruction SiBE12-713158 Operation Manual2.1.14 Care and CleaningFTK(X)S 20/25/35/50 DCare and CleaningCAUTION Indoor unit, Outdoor unit and Remote

List of Functions SiBE12-7136 List of FunctionsCategory Functions4MKS75F2V1BCategory Functions4MKS75F2V1BBasic FunctionInverter (with Inverter Power C

SiBE12-713 InstructionOperation Manual 1591. Open the front panel.2. Pull out the air filters.•Push a little upwards the tab at the center of each air

Instruction SiBE12-713160 Operation ManualNOTECheck Before a long idle period1. Operate the “FAN only” for several hours on a fine day to dry out the

SiBE12-713 InstructionOperation Manual 161FTK(X)S 20/25/35 CCare and CleaningCAUTION  Indoor unit, Outdoor unit and Remote controller1. Wipe them wi

Instruction SiBE12-713162 Operation Manual1. Open the front panel.2. Pull out the air filters.•Push a little upwards the tab at the center of each air

SiBE12-713 InstructionOperation Manual 163Check Before a long idle period1. Operate the “FAN only” for several hours on a fine day to dry out the ins

Instruction SiBE12-713164 Operation ManualFTK(X)S 50/60/71 FCare and CleaningCAUTION Indoor unit, Outdoor unit and Remote controller1. Wipe them with

SiBE12-713 InstructionOperation Manual 1651. Open the front panel. 2. Pull out the air filters.• Push a little upwards the tab at the center of each a

Instruction SiBE12-713166 Operation ManualNOTE Check Before a long idle period1. Operate the “FAN only” for several hours on a fine day to dry out th

SiBE12-713 InstructionOperation Manual 167FTXG 25/35 E, CTXG 50 ECare and CleaningCAUTION  Indoor unit, Outdoor unit and Remote controller1. Wipe th

Instruction SiBE12-713168 Operation Manual1. Open the front panel. •Open the front panel by placing a finger on the panel tab on either side of the fr

SiBE12-713 List of FunctionsList of Functions 71.2 Heat Pump ModelsCategory FunctionsFTXG25/35EV1BW(S)CTXG50EV1BW(S)Category FunctionsFTXG25/35EV1BW(S

SiBE12-713 InstructionOperation Manual 169NOTECheck Before a long idle period1. Operate the “FAN only” for several hours on a fine day to dry out the

Instruction SiBE12-713170 Operation ManualFDK(X)S 25/35 CCare and CleaningCAUTION  Cleaning the air filter1.Removing the air filter.•Rear suctionPul

SiBE12-713 InstructionOperation Manual 171 Cleaning the drain pan•Clean the drain pan periodically, or drain piping may be clogged with dust and may

Instruction SiBE12-713172 Operation ManualFDK(X)S 50/60 C, FDK(X)S 25/35 ECare and CleaningCAUTION Cleaning the air filter1.Removing the air filter.•

SiBE12-713 InstructionOperation Manual 173 Cleaning the drain pan•Clean the drain pan periodically, or drain piping may be clogged with dust and may

Instruction SiBE12-713174 Operation ManualFLK(X)S 25/35/50/60 BACare and CleaningCAUTION Indoor unit, Outdoor unit and Remote controller1. Wipe them

SiBE12-713 InstructionOperation Manual 1751. Open the front panel.2. Pull out the air filters.• Push upwards the tab at the center of each air filter,

Instruction SiBE12-713176 Operation ManualCheck Before a long idle period1. Operate the “FAN only” for several hours on a fine day to dry out the ins

SiBE12-713 InstructionOperation Manual 1772.1.15 TroubleshootingTrouble ShootingThe following cases are not air conditioner troubles but have some rea

Instruction SiBE12-713178 Operation ManualPlease check again before calling a repair person.Check again.Case CheckThe air conditioner does not operate

List of Functions SiBE12-7138 List of FunctionsCategory FunctionsFTXS20-35D3VMW(L)FTXS50D2V1W(L)FTXS20-35CAVMBCategory FunctionsFTXS20-35D3VMW(L)FTXS5

SiBE12-713 InstructionOperation Manual 179WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF.Conti

Instruction SiBE12-713180 Operation ManualFAULT DIAGNOSIS BY REMOTE CONTROLLERIn the ARC433 series, the temperature display sections on the main unit

SiBE12-713 InstructionOperation Manual 1812.2 FVXS Series2.2.1 Safety Precautions2Safety precautions• Keep this manual where the operator can easily f

Instruction SiBE12-713182 Operation Manual3• Do not block air inlets nor outlets. Impaired air flow may result in insufficient performance or trouble.

SiBE12-713 InstructionOperation Manual 1832.2.2 Names of Parts4Names of parts Indoor Unit  Opening the Front PanelHow to open the front panel: (page

Instruction SiBE12-713184 Operation Manual5 Outdoor Unit Indoor Unit1. Titanium Apatite Photocatalytic Air-Purifying Filter:• These filters are atta

SiBE12-713 InstructionOperation Manual 1856 Remote Controller 1. Signal transmitter:• It sends signals to the indoor unit.2. Display:• It displays th

Instruction SiBE12-713186 Operation Manual2.2.3 Preparation before Operation7Preparation Before Operation To set the batteries 1. Slide the front cov

SiBE12-713 InstructionOperation Manual 1878Preparation Before Operation To set the clock 1. Press “CLOCK button”.is displayed.and blinks.2. Press “SE

Instruction SiBE12-713188 Operation Manual9 Turn the breaker ON• Turning ON the breaker closes the flap. (This is a normal procedure.)NOTETips for s

SiBE12-713Table of Contents iSUPER MULTI NXF-SerieszCooling OnlyIndoor UnitFTKS20D3VMW FTKS20CAVMB FDKS25CAVMB FLKS25BAVMBFTKS20D3VML FTKS25CAVMB FDKS

SiBE12-713 List of FunctionsList of Functions 9Category FunctionsFTXS50-71FV1BCategory FunctionsFTXS50-71FV1BBasic FunctionInverter (with Inverter Pow

SiBE12-713 InstructionOperation Manual 1892.2.4 AUTO · DRY · COOL · HEAT · FAN Operation10AUTO · DRY · COOL · HEAT · FAN OperationThe air conditioner

Instruction SiBE12-713190 Operation Manual11 To change the air flow rate setting5. Press “FAN setting button”.• Indoor unit quiet operationWhen the a

SiBE12-713 InstructionOperation Manual 1912.2.5 Adjusting the Air Flow Direction12Adjusting the Air Flow DirectionYou can adjust the air flow directio

Instruction SiBE12-713192 Operation Manual13 Air flow selection• Make air flow selection according to what suits you.When setting the air flow select

SiBE12-713 InstructionOperation Manual 1932.2.6 POWERFUL Operation14POWERFUL OperationPOWERFUL operation quickly maximizes the cooling (heating) effec

Instruction SiBE12-713194 Operation Manual2.2.7 OUTDOOR UNIT QUIET Operation15OUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET operation lowers the nois

SiBE12-713 InstructionOperation Manual 1952.2.8 ECONO Operation16ECONO OperationECONO operation is a function which enables efficient operation by low

Instruction SiBE12-713196 Operation Manual2.2.9 TIMER Operation17TIMER OperationTimer functions are useful for automatically switching the air conditi

SiBE12-713 InstructionOperation Manual 19718TIMER Operation To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the

Instruction SiBE12-713198 Operation Manual2.2.10 WEEKLY TIMER Operation19WEEKLY TIMER OperationUp to 4 timer settings can be saved for each day of the

List of Functions SiBE12-71310 List of FunctionsCategory FunctionsFDXS25/35CAVMBFDXS50/60CVMBFDXS25/35EAVMBCategory FunctionsFDXS25/35CAVMBFDXS50/60CV

SiBE12-713 InstructionOperation Manual 19920WEEKLY TIMER Operation7. Press “NEXT button”. • The time will be set. • “ ” and the temperature blink. 8.

Instruction SiBE12-713200 Operation Manual21 To cancel WEEKLY TIMER operation 11.Press “WEEKLY button” to deactivate the WEEKLY operation.• The “ ” w

SiBE12-713 InstructionOperation Manual 20122WEEKLY TIMER Operation  Confirming a reservation• The reservation can be confirmed.1. Press “ button”.•

Instruction SiBE12-713202 Operation Manual23 Setting WEEKLY TIMER using copy mode •A reservation made once can be easily copied and the same settings

SiBE12-713 InstructionOperation Manual 2032.2.11 Note for Multi System24Note for Multi System〈〈What is a “Multi System”? 〉〉This system has one outdoor

Instruction SiBE12-713204 Operation Manual25 Priority Room SettingThe Priority Room Setting requires initial programming during installation. Please

SiBE12-713 InstructionOperation Manual 2052.2.12 Care and Cleaning26Care and CleaningCAUTION Indoor unit, Outdoor unit and Remote controller 1. Wipe

Instruction SiBE12-713206 Operation Manual271. Open the front panel. (page 26.) 2. Remove the air filter.• Press the claws on the right and left of th

SiBE12-713 InstructionOperation Manual 20728NOTECheck Before a long idle period1. Operate the “FAN only” for several hours on a fine day to dry out t

Instruction SiBE12-713208 Operation Manual2.2.13 Troubleshooting29Trouble ShootingThe following cases are not air conditioner troubles but have some r

SiBE12-713 List of FunctionsList of Functions 11Category FunctionsFLXS25-60BAVMBFVXS25-50FV1BFHQ35-60BVV1BCategory FunctionsFLXS25-60BAVMBFVXS25-50FV1

SiBE12-713 InstructionOperation Manual 20930Please check again before calling a repair person.Check again.Case CheckThe air conditioner does not opera

Instruction SiBE12-713210 Operation Manual31WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF.Con

SiBE12-713 InstructionOperation Manual 21132FAULT DIAGNOSIS BY REMOTE CONTROLLERIn the ARC452A series, the temperature display sections on the main un

Instruction SiBE12-713212 Operation Manual2.3 FHQ Series[1]1342ChrH512 4 2 1391110211416 15 17 18 228672019geefakihbdfecjddkChrhrTESTTESTNOTAVAILABLEL

SiBE12-713 InstructionOperation Manual 213This operation manual is for the following systems with standard control. Before initiating operation, conta

Instruction SiBE12-713214 Operation Manual• The precautions described below are WARN-ING and CAUTION. These are very important precautions concerning

SiBE12-713 InstructionOperation Manual 215Be sure the air conditioner is electrically grounded.Do not connect the grounding conductor to a gas pipe, w

Instruction SiBE12-713216 Operation Manual• Make sure that a separate power supply cir-cuit is provided for this air conditioner and that all electric

SiBE12-713 InstructionOperation Manual 217 Refer to figure 1 on page [1] • Operating procedure varies with heat pump type and cooling only type. Conta

Instruction SiBE12-713218 Operation ManualFor programming TEMPERATURE, FAN SPEED and AIR FLOW DIRECTION, follow the procedure shown below.TEMPERATURE

List of Functions SiBE12-71312 List of FunctionsCategory Functions4MXS68F2V1BCategory Functions4MXS68F2V1BBasic FunctionInverter (with Inverter Power

SiBE12-713 InstructionOperation Manual 219Operate in the following order.• The timer is operated in the following two ways.• Programming the stop time

Instruction SiBE12-713220 Operation ManualONLY A QUALIFIED SERVICE PERSON IS ALLOWED TO PERFORM MAINTENANCEIMPORTANT!• BEFORE OBTAINING ACCESS TO TERM

SiBE12-713 InstructionOperation Manual 221HOW TO CLEAN AIR OUTLET AND OUT-SIDE PANELS• Clean with soft cloth.• When it is difficult to remove stains,

Instruction SiBE12-713222 Operation Manual• The system does not start when the display shows “ ” (UNDER CENTRALIZED CONTROL) and it flashes for few se

SiBE12-713 InstructionOperation Manual 223VII.DUST FROM THE UNITS• Dust may blow out from the unit after starting operation from long resting time.Dus

Instruction SiBE12-713224 Operation Manual

SiBE12-713Service Diagnosis 225Part 6Service Diagnosis1. Caution for Diagnosis...

Caution for Diagnosis SiBE12-713226 Service Diagnosis1. Caution for Diagnosis1.1 Troubleshooting with Operation LampThe operation lamp flashes when an

SiBE12-713 Caution for DiagnosisService Diagnosis 227In case ofFLK(X)S 25/35/50/60 B SeriesCaution: Operation stops suddenly. (Operation lamp blinks.)

Problem Symptoms and Measures SiBE12-713228 Service Diagnosis2. Problem Symptoms and MeasuresProblem Symptom Check Item Details of Measure Page No. to

SiBE12-713Specifications 13Part 2Specifications1. Specifications ...

SiBE12-713 Service Check FunctionService Diagnosis 2293. Service Check Function3.1 Check Method 1The temperature display sections on the main unit ind

Service Check Function SiBE12-713230 Service DiagnosisARC452A Series 1. When the timer cancel button is held down for 5 seconds, a “00” indication fla

SiBE12-713 Service Check FunctionService Diagnosis 2313.2 Check Method 21. Enter the diagnosis mode.Press the 3 buttons (TEMP,TEMP, MODE) simultaneo

Service Check Function SiBE12-713232 Service Diagnosis5. Press the TEMP button.Press TEMP or TEMP and change the digit until you hear the sound of “

SiBE12-713 Code Indication on the Remote ControllerService Diagnosis 2334. Code Indication on the Remote Controller4.1 Error Codes and Description of

Troubleshooting SiBE12-713234 Service Diagnosis5. Troubleshooting5.1 Indoor Units - : Not used for troubleshooting ∗ : Varies depending on the cases.I

SiBE12-713 TroubleshootingService Diagnosis 2355.2 Outdoor Units4: ON, 1: OFF, 5: BlinksGreen : Flashes when in normal conditionRed : OFF in normal co

Troubleshooting SiBE12-713236 Service Diagnosis5.3 Indoor Unit PCB AbnormalityRemote Controller DisplayA1Method of Malfunction DetectionEvaluation of

SiBE12-713 TroubleshootingService Diagnosis 2375.4 Freeze-up Protection Control or High Pressure ControlRemote Controller DisplayA5Method of Malfuncti

Troubleshooting SiBE12-713238 Service DiagnosisTroubleshootingCheck No.06Refer to P.279Note: If the outside temperature is below –10°C in the cooling

Specifications SiBE12-71314 Specifications1. Specifications1.1 Indoor Units - Cooling OnlyWall Mounted Type 50Hz 230VModel FTKS20D3VMW FTKS20D3VMLRate

SiBE12-713 TroubleshootingService Diagnosis 2395.5 Fan Motor or Related Abnormality5.5.1 AC MotorRemote Controller DisplayA6Method of Malfunction Dete

Troubleshooting SiBE12-713240 Service Diagnosis5.5.2 DC MotorRemote Controller DisplayA6Method of Malfunction DetectionThe rotation speed detected by

SiBE12-713 TroubleshootingService Diagnosis 241TroubleshootingCheck No.01Refer to P.276Check No.02Refer to P.276Replace fan motor.Replace indoor unit

Troubleshooting SiBE12-713242 Service Diagnosis5.6 Thermistor or Related Abnormality (Indoor Unit)Remote Controller DisplayC4, C9 Method of Malfunctio

SiBE12-713 TroubleshootingService Diagnosis 2435.7 Front Panel Open / Close FaultRemote Controller DisplayC7 Method of Malfunction DetectionMalfunctio

Troubleshooting SiBE12-713244 Service Diagnosis5.8 Signal Transmission Error (between Indoor and Outdoor Unit)Remote Controller DisplayU4Method of Mal

SiBE12-713 TroubleshootingService Diagnosis 245TroubleshootingCheck No.10Refer to P.282Check the outdoor unit's LED A.Check the indoor unit-outdo

Troubleshooting SiBE12-713246 Service Diagnosis5.9 Unspecified Voltage (between Indoor and Outdoor Units)Remote Controller Display UAMethod of Malfunc

SiBE12-713 TroubleshootingService Diagnosis 2475.10 Freeze-up Protection ControlRemote Controller DisplayA5Outdoor Unit LED DisplayA 5 1 4 2 1 3

Troubleshooting SiBE12-713248 Service DiagnosisTroubleshootingCheck No.04Refer to P.277Check No.06Refer to P.279Check the wiring and piping.Check No.

SiBE12-713 SpecificationsSpecifications 1550Hz 230VModel FTKS35D3VMW FTKS35D3VMLRated Capacity 3.5kW Class 3.5kW ClassFront Panel Color White Silver L

SiBE12-713 TroubleshootingService Diagnosis 2495.11 Outdoor Unit PCB AbnormalityRemote Controller DisplayE1Outdoor Unit LED DisplayA 5 1 4 2 4 3

Troubleshooting SiBE12-713250 Service Diagnosis5.12 OL Activation (Compressor Overload)Remote Controller DisplayE5Outdoor Unit LED DisplayA 5 1 4

SiBE12-713 TroubleshootingService Diagnosis 2515.13 Compressor LockRemote Controller DisplayE6Outdoor Unit LED DisplayA 5 1 1 2 4 3 4 4 1Metho

Troubleshooting SiBE12-713252 Service Diagnosis5.14 DC Fan LockRemote Controller DisplayE7Outdoor Unit LED DisplayA 5 1 4 2 4 3 4 4 4Method of

SiBE12-713 TroubleshootingService Diagnosis 2535.15 Input Over Current DetectionRemote Controller DisplayE8Outdoor Unit LED DisplayA 5 1 1 2 4 3

Troubleshooting SiBE12-713254 Service DiagnosisTroubleshootingCheck No.07Refer to P.280Check No.08Refer to P.281Check No.14Refer to P.284Replace the o

SiBE12-713 TroubleshootingService Diagnosis 2555.16 Discharge Pipe Temperature ControlRemote Controller DisplayF3Outdoor Unit LED DisplayA 5 1 4 2

Troubleshooting SiBE12-713256 Service Diagnosis5.17 High Pressure Control in CoolingRemote Controller DisplayF6Outdoor Unit LED DisplayA 5 1 4 2 1

SiBE12-713 TroubleshootingService Diagnosis 257TroubleshootingCheck No.04Refer to P.277Check No.06Refer to P.279Check No.07Refer to P.280Check No.09Re

Troubleshooting SiBE12-713258 Service Diagnosis5.18 Compressor Sensor System AbnormalityRemote Controller DisplayH0Outdoor Unit LED DisplayA 5 1 4

Specifications SiBE12-71316 Specifications50Hz 230VModel FTKS20CAVMB FTKS25CAVMBRated Capacity 2.0kW Class 2.5kW ClassFront Panel Color White WhiteAir

SiBE12-713 TroubleshootingService Diagnosis 259TroubleshootingConnect properly.(R5131)Connection OK?NOYESConnect properly.Connection OK?NOYESReplace t

Troubleshooting SiBE12-713260 Service Diagnosis5.19 Position Sensor AbnormalityRemote Controller DisplayH6Outdoor Unit LED DisplayA 5 1 4 2 4 3

SiBE12-713 TroubleshootingService Diagnosis 2615.20 CT or Related AbnormalityRemote Controller DisplayH8Outdoor Unit LED DisplayA 5 1 4 2 4 3 1

Troubleshooting SiBE12-713262 Service DiagnosisTroubleshootingCheck No.12Refer to P.283Turn off the power and turn it on again.Check No. 12Check the c

SiBE12-713 TroubleshootingService Diagnosis 2635.21 Thermistor or Related Abnormality (Outdoor Unit)Remote Controller DisplayP4, J3, J6, J8, J9, H9Out

Troubleshooting SiBE12-713264 Service DiagnosisTroubleshootingCheck No.06Refer to P.279P4 : Radiation fin thermistorJ3 : Discharge pipe thermistorJ6 :

SiBE12-713 TroubleshootingService Diagnosis 2655.22 Electrical Box Temperature RiseRemote Controller DisplayL3Outdoor Unit LED DisplayA 5 1 4 2 4

Troubleshooting SiBE12-713266 Service DiagnosisTroubleshootingCheck No.07Refer to P.280Check No.09Refer to P.281Turn off the power and turn it on agai

SiBE12-713 TroubleshootingService Diagnosis 2675.23 Radiation Fin Temperature RiseRemote Controller DisplayL4Outdoor Unit LED DisplayA 5 1 1 2 1

Troubleshooting SiBE12-713268 Service DiagnosisTroubleshootingCheck No.07Refer to P.280Check No.09Refer to P.281Turn off the power and turn it on agai

SiBE12-713 SpecificationsSpecifications 1750Hz 230VModel FTKS60FV1B FTKS71FV1BRated Capacity 6.0kW Class 7.1kW ClassFront Panel Color White WhiteAir F

SiBE12-713 TroubleshootingService Diagnosis 2695.24 Output Over Current DetectionRemote Controller DisplayL5Outdoor Unit LED DisplayA 5 1 1 2 1

Troubleshooting SiBE12-713270 Service DiagnosisTroubleshootingCheck No.07Refer to P.280Check No.08Refer to P.281Check No.13Refer to P.283Fully open th

SiBE12-713 TroubleshootingService Diagnosis 2715.25 Insufficient GasRemote Controller DisplayU0Outdoor Unit LED DisplayA 5 1 1 2 1 3 4 4 4Meth

Troubleshooting SiBE12-713272 Service DiagnosisTroubleshootingCheck No.04Refer to P.277Check No.06Refer to P.279Reconnect in position.Open the stop va

SiBE12-713 TroubleshootingService Diagnosis 2735.26 Low-voltage Detection or Over-voltage DetectionRemote Controller DisplayU2Outdoor Unit LED Display

Troubleshooting SiBE12-713274 Service Diagnosis5.27 Signal Transmission Error (on Outdoor Unit PCB)Remote Controller DisplayU7Outdoor Unit LED Display

SiBE12-713 TroubleshootingService Diagnosis 2755.28 Anti-icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)Remote

Check SiBE12-713276 Service Diagnosis6. Check6.1 How to Check6.1.1 Fan Motor Connector Output CheckCheck No.01 1. Check connector connection.2. Check

SiBE12-713 CheckService Diagnosis 2776.1.3 Electronic Expansion Valve CheckCheck No.04 Conduct the followings to check the electronic expansion valve

Check SiBE12-713278 Service Diagnosis6.1.4 Four Way Valve Performance CheckCheck No.05Turn off the power and turn it on again.Start the heating-mode r

Specifications SiBE12-71318 SpecificationsDuct Connected Type50Hz 230VNote:1. The operating sound is based on the rear side suction inlet and the exte

SiBE12-713 CheckService Diagnosis 2796.1.5 Thermistor Resistance CheckCheck No.06 Remove the connectors of the thermistors on the PCB, and measure the

Check SiBE12-713280 Service Diagnosis6.1.6 Installation Condition CheckCheck No.07Installation condition checkNormalChange the position of the air dis

SiBE12-713 CheckService Diagnosis 2816.1.7 Discharge Pressure CheckCheck No.086.1.8 Outdoor Unit Fan System Check (With DC Motor)Check No.09Discharge

Check SiBE12-713282 Service Diagnosis6.1.9 Power Supply Waveforms CheckCheck No.10 Measure the power supply waveform between pins 1 and 3 on the termi

SiBE12-713 CheckService Diagnosis 2836.1.11 Capacitor Voltage CheckCheck No.12 Before this checking, be sure to check the main circuit for short-circu

Check SiBE12-713284 Service Diagnosis6.1.13 Main Circuit Electrolytic Capacitor CheckCheck No.14Checking the main circuit electrolytic capacitorzNeve

SiBE12-713 CheckService Diagnosis 2856.1.15 Hall IC CheckCheck No.16 1. Check the connector connection.2. With the power ON, operation OFF, and the co

Check SiBE12-713286 Service Diagnosis

SiBE12-713Removal Procedure 287Part 7Removal Procedure1. Outdoor Unit...

Outdoor Unit SiBE12-713288 Removal Procedure1. Outdoor Unit1.1 Removal of the Panels and PlatesProcedure Warning Be sure to wait 10 minutes or more af

SiBE12-713ii Table of Contents1. Introduction ...v1.1 Safety

SiBE12-713 SpecificationsSpecifications 1950Hz 230VNote:1. The operating sound is based on the rear side suction inlet and the external static pressur

SiBE12-713 Outdoor UnitRemoval Procedure 2893Loosen the 6 screws of the front panel.4Loosen the 2 screws (each 1 in front and back) of the clamp plate

Outdoor Unit SiBE12-713290 Removal Procedure7Lift the front panel up to remove the left side hooks and open the panel.8The front panel has the 3 hooks

SiBE12-713 Outdoor UnitRemoval Procedure 29110Loosen the 4 screws of the discharge grille.11Loosen the 2 screws of the stop valve cover. And then slid

Outdoor Unit SiBE12-713292 Removal Procedure1.2 Removal of the Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after turning off al

SiBE12-713 Outdoor UnitRemoval Procedure 2932. Disconnect the each harnesses1Detach the fixing tape for the electrical box (cover).2Undo the 4 hooks a

Outdoor Unit SiBE12-713294 Removal Procedure5The figure shows the arrangement of the wire harness for fan motor.6Disconnect the connectors for electro

SiBE12-713 Outdoor UnitRemoval Procedure 2958Disconnect the connector for overload protector [S40].9 Remove the OL wire harness and the compressor wir

Outdoor Unit SiBE12-713296 Removal Procedure12Disconnect the each connector.[S90] : Outdoor air, heat exchanger, discharge pipe thermistor[S92] : Gas

SiBE12-713 Outdoor UnitRemoval Procedure 29714The figure shows the arrangement of the wire harness under the electrical box.15Undo the wire clip for t

Outdoor Unit SiBE12-713298 Removal Procedure2Detach the outdoor air thermistor.3Loosen the screw on the right side of the electrical box.StepProcedure

Specifications SiBE12-71320 SpecificationsFloor / Ceiling Suspended Dual Type50Hz 230VModel FLKS25BAVMB FLKS35BAVMBRated Capacity 2.5kW Class 3.5kW Cl

SiBE12-713 Outdoor UnitRemoval Procedure 2994Loosen the 1 screw in front of the electrical box.5Lift up the electrical box to remove.StepProcedure Poi

Outdoor Unit SiBE12-713300 Removal Procedure1.3 Removal of the PCBProcedure Warning Be sure to wait 10 minutes or more after turning off all power sup

SiBE12-713 Outdoor UnitRemoval Procedure 3014Widen the upper hook and pull the service PCB upward to remove.2. Remove the control PCB1Disconnect the e

Outdoor Unit SiBE12-713302 Removal Procedure4Undo the 3 hooks on the reactor side and slide the control PCB.5Undo the relay harness for compressor fro

SiBE12-713 Outdoor UnitRemoval Procedure 3038Names of parts on the control PCB.See page 56 for detail.9Loosen the 2 screws of the radiation fin.10Loo

Outdoor Unit SiBE12-713304 Removal Procedure3. Disconnect the wire harnesses4. Remove the terminal board★ Illustrations are for 3 room model.1Open the

SiBE12-713 Outdoor UnitRemoval Procedure 305StepProcedure Points

Outdoor Unit SiBE12-713306 Removal Procedure1.4 Removal of the Propeller Fan / Fan MotorProcedure Warning Be sure to wait 10 minutes or more after tur

SiBE12-713 Outdoor UnitRemoval Procedure 3074Undo the 2 fixing hooks of the lead wire. Loosen the 4 screws of the fan motor.When assembling, put the

Outdoor Unit SiBE12-713308 Removal Procedure1.5 Removal of the Sound BlanketProcedure Warning Be sure to wait 10 minutes or more after turning off all

SiBE12-713 SpecificationsSpecifications 21Floor Standing Type50Hz 230VModel FVXS25FV1B FVXS35FV1BRated Capacity 2.5kW Class 3.5kW ClassFront Panel Col

SiBE12-713 Outdoor UnitRemoval Procedure 3094Pull up the right side panel.5Loosen the 2 screws of the wiring fixture.2. Remove the partition plate1Loo

Outdoor Unit SiBE12-713310 Removal Procedure3Pull up the partition plate.When assembling, make sure to catch the lower hook of the partition plate.3.

SiBE12-713 Outdoor UnitRemoval Procedure 3113Undo the fixing strings, open the sound blanket (body) and pull it out.4Open the sound blanket (inner) an

Outdoor Unit SiBE12-713312 Removal Procedure1.6 Removal of Electronic Expansion Valve Coil, Four Way Valve Coil and ThermistorProcedure Warning Be sur

SiBE12-713 Outdoor UnitRemoval Procedure 3133. Remove the liquid/gas pipe thermistorMeet the edge of the thermistor and clip.The number of ports is

Outdoor Unit SiBE12-713314 Removal Procedure5. Remove the discharge pipe thermistor Meet the edge of the thermistor and clip.Be careful not to loose

SiBE12-713 Outdoor UnitRemoval Procedure 3151.7 Removal of the DistributorProcedure Warning Be sure to wait 10 minutes or more after turning off all p

Outdoor Unit SiBE12-713316 Removal Procedure1.8 Removal of the Four Way ValveProcedure Warning Be sure to wait 10 minutes or more after turning off al

SiBE12-713 Outdoor UnitRemoval Procedure 3171.9 Removal of the CompressorProcedure Warning Be sure to wait 10 minutes or more after turning off all po

Outdoor Unit SiBE12-713318 Removal Procedure5Remove the 2 sheets of putty. WarningVentilate when refrigerant leaks during the work.(If refrigerant con

Specifications SiBE12-71322 SpecificationsCeiling-suspended Type50Hz 230VModel FHQ35BVV1B FHQ50BVV1B FHQ60BVV1BRated Capacity 3.5kW Class 5.0kW Class

SiBE12-713Others 319Part 8Others1. Others ...3201.1 Test

Others SiBE12-713320 Others1. Others1.1 Test Run from the Remote ControllerFor Heat pump In cooling mode, select the lowest programmable temperature;

SiBE12-713 OthersOthers 3211.2 Jumper Settings1.2.1 When Two Units are Installed in One RoomWhen two indoor units are installed in one room, the two w

Others SiBE12-713322 Others1.2.3 Adjusting the Angle of the Intelligent Eye SensorFTK(X)S20-35COnce installation of the indoor unit is complete, adju

SiBE12-713Appendix 323Part 9Appendix1. Piping Diagrams...3241.1 Indoor

Piping Diagrams SiBE12-713324 Appendix1. Piping Diagrams1.1 Indoor Units1.1.1 Wall Mounted TypeFTKS20D3VMW(L), FTKS25D3VMW(L), FTKS35D3VMW(L)FTKS50D2V

SiBE12-713 Piping DiagramsAppendix 325FTKS71FV1B FTXG25EV1BW(S), FTXG35EV1BW(S)CTXG50EV1BW(S) FTXS20D3VMW(L), FTXS25D3VMW(L), FTXS35D3VMW(L)(15.9CuT)F

Piping Diagrams SiBE12-713326 AppendixFTXS50D2V1W(L) FTXS20CAVMB, FTXS25CAVMB, FTXS35CAVMBFTXS50FV1B, FTXS60FV1B FTXS71FV1BFIELD PIPINGFIELD PIPING(6.

SiBE12-713 Piping DiagramsAppendix 3271.1.2 Duct Connected Type1.1.3 Floor / Ceiling Suspended Dual TypeFDKS25CAVMB, FDKS35CAVMB, FDKS50CVMB, FDKS60CV

Piping Diagrams SiBE12-713328 Appendix1.1.4 Floor Standing TypeFLXS25BAVMB, FLXS35BAVMB FLXS50BAVMB, FLXS60BAVMBFIELD PIPING(6.4CuT)FIELD PIPING(9.5Cu

SiBE12-713 SpecificationsSpecifications 231.2 Outdoor Units - Cooling Only50Hz 230VNote:1. The data are based on the conditions shown in the table bel

SiBE12-713 Piping DiagramsAppendix 3291.1.5 Ceiling Suspended TypeFHQ35/50/60BVV1BIndoor heat exchangerFHQ35BUV1BFHQ35BVV1BFCQ35BVEFCQ35C7VEBFHQ50, 60

Piping Diagrams SiBE12-713330 Appendix1.2 Outdoor Units1.2.1 Cooling Only4MKS75F2V1B1.2.2 Heat Pump4MXS68F2V1BREFRIGERANT FLOW9.5CuTHEAT EXCHANGERTHER

SiBE12-713 Wiring DiagramsAppendix 3312. Wiring Diagrams2.1 Indoor Units2.1.1 Wall Mounted TypeFTKS20D3VMW(L), FTKS25D3VMW(L), FTKS35D3VMW(L)FTXS20D3V

Wiring Diagrams SiBE12-713332 AppendixFTKS20CAVMB, FTKS25CAVMB, FTKS35CAVMBFTXS20CAVMB, FTXS25CAVMB, FTXS35CAVMBFTKS50FV1B, FTKS60FV1B, FTKS71FV1BFTXS

SiBE12-713 Wiring DiagramsAppendix 333FTXG25EV1BW(S), FTXG35EV1BW(S), CTXG50EV1BW(S)2.1.2 Duct Connected TypeFDKS25CAVMB, FDKS35CAVMB, FDKS50CVMB, FDK

Wiring Diagrams SiBE12-713334 Appendix2.1.3 Floor / Ceiling Suspended Dual TypeFLKS25BAVMB, FLKS35BAVMB, FLKS50BAVMB, FLKS60BAVMBFLXS25BAVMB, FLXS35BA

SiBE12-713 Wiring DiagramsAppendix 3352.1.5 Ceiling Suspended TypeFHQ35/50/60BVV1BWIRELESS REMOTE CONTROLLER(RECEIVER/DISPLAY UNIT)WIRED REMOTE CONTRO

Wiring Diagrams SiBE12-713336 Appendix2.2 Outdoor Units2.2.1 Cooling Only4MKS75F2V1B2.2.2 Heat Pump4MXS68F2V1BindooroutdoorFIELD WIRING13.15ABAYLWS22P

SiBE12-713Index iIndexNumerics3 minutes stand-by...86AA1...

SiBE12-713ii IndexC4 ...242C7 ...

Specifications SiBE12-71324 Specifications1.3 Indoor Units - Heat PumpWall Mounted Type50Hz 230VModelFTXG25EV1BW FTXG25EV1BSCooling Heating Cooling He

SiBE12-713Index iiiL5 ...269LED A...38, 40, 43, 45, 47

SiBE12-713iv IndexS38...43S40...

SiBE12-713Drawings & Flow Charts vDrawings & Flow ChartsAanti-icing function in other rooms ...275automatic air flow co

SiBE12-713vi Drawings & Flow Chartsoutdoor unit PCB abnormality ...249output over current detection ...

SiBE12-713Drawings & Flow Charts viiFTKS35CAVMB ...332FTKS35D3VMW(L) ...

Specifications, designs and other content appearing in this brochure are current as of March 2007 but subject to change without notice.SiBE 12-713Prin

SiBE12-713 SpecificationsSpecifications 2550Hz 230VModelCTXG50EV1BW CTXG50EV1BSCooling Heating Cooling HeatingRated Capacity 5.0kW Class 5.0kW ClassFr

Specifications SiBE12-71326 Specifications50Hz 230VModelFTXS25D3VMW FTXS25D3VMLCooling Heating Cooling HeatingRated Capacity 2.5kW Class 2.5kW ClassFr

SiBE12-713 SpecificationsSpecifications 2750Hz 230VModelFTXS50D2V1W FTXS50D2V1LCooling Heating Cooling HeatingRated Capacity 5.0kW Class 5.0kW ClassFr

Specifications SiBE12-71328 Specifications50Hz 230VModelFTXS35CAVMBCooling HeatingRated Capacity 3.5kW ClassFront Panel Color WhiteAir Flow Ratesm³/mi

SiBE12-713Table of Contents iii3.6 Freeze-up Protection Control ...893.7 Heating Peak-cu

SiBE12-713 SpecificationsSpecifications 2950Hz 230VModelFTXS71FV1BCooling HeatingRated Capacity 7.1kW ClassFront Panel Color WhiteAir Flow Ratesm³/min

Specifications SiBE12-71330 SpecificationsDuct Connected Type50Hz 230VNote:1. The operating sound is based on the rear side suction inlet and the exte

SiBE12-713 SpecificationsSpecifications 3150Hz 230VNote:1. The operating sound is based on the rear side suction inlet and the external static pressur

Specifications SiBE12-71332 SpecificationsFloor / Ceiling Suspended Dual Type50Hz 230VModelFLXS25BAVMB FLXS35BAVMBCooling Heating Cooling HeatingRated

SiBE12-713 SpecificationsSpecifications 33Floor Standing Type 50Hz 230VModelFVXS25FV1B FVXS35FV1BCooling Heating Cooling HeatingRated Capacity 2.5kW C

Specifications SiBE12-71334 SpecificationsCeiling-suspended Type50Hz 230VModelFHQ35BVV1B FHQ50BVV1B FHQ60BVV1BCooling Heating Cooling Heating Cooling

SiBE12-713 SpecificationsSpecifications 351.4 Outdoor Units - Heat Pump50Hz 230VNote:1. The data are based on the conditions shown in the table below.

Specifications SiBE12-71336 Specifications

SiBE12-713Printed Circuit Board Connector Wiring Diagram 37Part 3Printed Circuit BoardConnector Wiring Diagram1. Printed Circuit Board Connector Wirin

Printed Circuit Board Connector Wiring Diagram SiBE12-71338 Printed Circuit Board Connector Wiring Diagram1. Printed Circuit Board Connector Wiring Di

SiBE12-713iv Table of Contents5.22 Electrical Box Temperature Rise...2655.23 Radiation Fin Temp

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 39PCB Detail PCB(1): Control PCBPCB(4): INTELL

Printed Circuit Board Connector Wiring Diagram SiBE12-71340 Printed Circuit Board Connector Wiring Diagram1.1.2 FTK(X)S20~35CConnectors PCB(1) (Contro

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 41PCBJP21JBJAJC5VGND12V(R2413)SW7PCB(1) Contro

Printed Circuit Board Connector Wiring Diagram SiBE12-71342 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB(1): Control PCBPCB(2): Signal

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 431.1.3 FTK(X)S50~71FConnectors PCB(1) (Contro

Printed Circuit Board Connector Wiring Diagram SiBE12-71344 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB(1): Control PCB (indoor unit)

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 451.1.4 FTXG25~35E, CTXG50EConnectors PCB(1) (

Printed Circuit Board Connector Wiring Diagram SiBE12-71346 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB(1): Control PCB (indoor unit)

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 471.2 Duct Connected TypeConnectors PCB(1) (Co

Printed Circuit Board Connector Wiring Diagram SiBE12-71348 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (2): Display PCBC1C3C2WLUPbF

SiBE12-713 Introductionv1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repair

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 491.3 Floor / Ceiling Suspended Dual TypeConne

Printed Circuit Board Connector Wiring Diagram SiBE12-71350 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Control PCBPCB Detail PC

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 51PCB (3): Display PCBPCB (4): Signal Receiver

Printed Circuit Board Connector Wiring Diagram SiBE12-71352 Printed Circuit Board Connector Wiring Diagram1.4 Floor Standing TypeConnectors PCB(1) (Se

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 53PCB Detail PCB(1): Sensor PCBPCB(2): Control

Printed Circuit Board Connector Wiring Diagram SiBE12-71354 Printed Circuit Board Connector Wiring Diagram1.5 Ceiling Suspended TypeConnectors1) X5A C

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 55PCB DetailCapacity setting adaptorX18A X40A

Printed Circuit Board Connector Wiring Diagram SiBE12-71356 Printed Circuit Board Connector Wiring Diagram1.6 Outdoor UnitsConnectors PCB(1)(Main PCB)

SiBE12-713 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 57PCB Detail PCB(1): Main PCBV3AC1 FU2(3.15A)V

Printed Circuit Board Connector Wiring Diagram SiBE12-71358 Printed Circuit Board Connector Wiring DiagramPCB(2): Service Monitor PCB

Introduction SiBE12-713viBe sure to wear a safety helmet, gloves, and a safety belt when working at a high place (more than 2m). Insufficient safety m

SiBE12-713Function and Control 59Part 4Function and Control1. Main Functions...

Main Functions SiBE12-71360 Function and Control1. Main FunctionsNote: See the list of functions for the functions applicable to different models.1.1

SiBE12-713 Main FunctionsFunction and Control 61Inverter Features The inverter provides the following features:The regulating capacity can be changed

Main Functions SiBE12-71362 Function and Control1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-SwingPower-airflow Dual FlapsThe large flaps

SiBE12-713 Main FunctionsFunction and Control 63FTK(X)S20-50DThe vertical swing flap is controlled not to blow the air directly on the person in the r

Main Functions SiBE12-71364 Function and Control1.3 Operation Starting ControlFTXG25-35E, CTXG50EThe system carries out the following control at the b

SiBE12-713 Main FunctionsFunction and Control 651.4 Fan Speed Control for Indoor UnitsControl Mode The airflow rate can be automatically controlled de

Main Functions SiBE12-71366 Function and Control1.5 Programme Dry FunctionProgramme dry function removes humidity while preventing the room temperatur

SiBE12-713 Main FunctionsFunction and Control 671.6 Automatic OperationAutomatic Cooling / Heating Function (Heat Pump Only)When the AUTO mode is sele

Main Functions SiBE12-71368 Function and Control1.7 Thermostat ControlThermostat control is based on the difference between the room temperature and t

SiBE12-713 Introductionvii1.1.2 Cautions Regarding Safety of UsersWarningBe sure to use parts listed in the service parts list of the applicable model

SiBE12-713 Main FunctionsFunction and Control 691.8 Night Set ModeWhen the OFF timer is set, the Night Set circuit automatically activates.The Night S

Main Functions SiBE12-71370 Function and Control1.9 ECONO ModeOutline FTK(X)S20-50D, FVXS25-50FThe "ECONO mode" reduces the maximum operatin

SiBE12-713 Main FunctionsFunction and Control 711.10 INTELLIGENT EYE (Wall Mounted Type Only)This is the function that detects existence of humans in

Main Functions SiBE12-71372 Function and ControlSince the set temperature is shifted by 2°C higher for 40 minutes, compressor speed becomes low and c

SiBE12-713 Main FunctionsFunction and Control 731.11 HOME LEAVE OperationOutline In order to respond to the customer's need for immediate heating

Main Functions SiBE12-71374 Function and Control1.12 Inverter POWERFUL OperationOutline In order to exploit the cooling and heating capacity to full e

SiBE12-713 Main FunctionsFunction and Control 751.13 Other Functions1.13.1 Hot Start FunctionHeat Pump OnlyIn order to prevent the cold air blast that

Main Functions SiBE12-71376 Function and Control1.13.4 Titanium Apatite Photocatalytic Air-Purifying FilterFor FTK(X)S20-50D, FTK(X)S50-71F, FVXS25-50

SiBE12-713 Function of Main Structural PartsFunction and Control 772. Function of Main Structural Parts2.1 Main Structural PartsHeat Pump ModelCooling

Function of Main Structural Parts SiBE12-71378 Function and Control2.2 Function of Thermistor2.2.1 Heat Pump ModelA Outdoor Heat Exchanger Thermisto

Introduction SiBE12-713viiiCheck to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet securely.If th

SiBE12-713 Function of Main Structural PartsFunction and Control 79D Indoor Heat Exchanger Thermistor1. The indoor heat exchanger thermistors are us

Function of Main Structural Parts SiBE12-71380 Function and Control2.2.2 Cooling Only ModelA Outdoor Heat Exchanger Thermistor1. The outdoor heat ex

SiBE12-713 Function of Main Structural PartsFunction and Control 81D Indoor Heat Exchanger Thermistor1. The indoor heat exchanger thermistors are us

Control Specification SiBE12-71382 Function and Control3. Control Specification3.1 Mode HierarchyOutline There are two modes; the mode selected in use

SiBE12-713 Control SpecificationFunction and Control 833.2 Frequency ControlOutline Frequency that corresponds to each room’s capacity will be determi

Control Specification SiBE12-71384 Function and Control2. Determine upper limit frequencySet a minimum value as an upper limit frequency among the fr

SiBE12-713 Control SpecificationFunction and Control 855. Upper and lower limit of frequency by PI controlThe frequency upper and lower limits are set

Control Specification SiBE12-71386 Function and Control3.3 Controls at Mode Changing / Start-up3.3.1 Preheating OperationOutline Operate the inverter

SiBE12-713 Control SpecificationFunction and Control 873.3.5 Compressor Protection FunctionWhen turning the compressor from OFF to ON, the upper limit

Control Specification SiBE12-71388 Function and Control3.4 Discharge Pipe ControlOutline The discharge pipe temperature is used as the compressor&apos