Daikin BA-Series Manuale di Servizio

Service ManualInverter PairFloor / Ceiling Suspended Dual TypeBA-SeriesSiBE05-722_C[Applied Models]O Inverter Pair : Cooling OnlyO Inverter Pair : Hea

Introduction SiBE05-722_Cix1.2 Used IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is de

Troubleshooting SiBE05-722_C90 Service DiagnosisTroubleshooting RK(X)S25/35G2V1B, RK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1BCheck No.17R

SiBE05-722_C TroubleshootingService Diagnosis 914.23 Radiation Fin Temperature RiseError CodeL4Method of Error DetectionA radiation fin temperature ri

Troubleshooting SiBE05-722_C92 Service DiagnosisTroubleshooting RK(X)S25/35E2V1BCheck No.01Refer to P.96Check No.17Refer to P.103Check No.19Refer to P

SiBE05-722_C TroubleshootingService Diagnosis 93Troubleshooting RK(X)S25/35G2V1B, RK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1BCheck No.17R

Troubleshooting SiBE05-722_C94 Service Diagnosis4.24 Output Overcurrent DetectionError CodeL5Method of Error DetectionAn output overcurrent is detecte

SiBE05-722_C TroubleshootingService Diagnosis 95TroubleshootingCheck No.15Refer to P.100Check No.17Refer to P.103Check No.18Refer to P.103Check No.22R

Check SiBE05-722_C96 Service Diagnosis5. Check5.1 Thermistor Resistance CheckCheck No.01 Disconnect the connectors of the thermistors from the PCB, an

SiBE05-722_C CheckService Diagnosis 975.2 Hall IC CheckCheck No.04 1. Check the connector connection.2. With the power on, operation off, and the conn

Check SiBE05-722_C98 Service Diagnosis5.4 Electronic Expansion Valve CheckCheck No.12 Conduct the followings to check the electronic expansion valve (

SiBE05-722_C CheckService Diagnosis 995.5 Four Way Valve Performance CheckCheck No.135.6 Inverter Units Refrigerant System CheckCheck No.14(R15737)NOY

SiBE05-722_CList of Functions 1Part 1List of Functions1. Functions...

Check SiBE05-722_C100 Service Diagnosis5.7 Inverter Analyzer CheckCheck No.15CharacteristicsInverter analyzer: RSUK0917CIf an abnormal stop occurs du

SiBE05-722_C CheckService Diagnosis 101Diagnose method (Diagnose according to 6 LEDs lighting status.)(1) If all the LEDs are lit uniformly, the comp

Check SiBE05-722_C102 Service DiagnosisRK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1B1. Check that the voltage between the pins 10 - 11 is 1

SiBE05-722_C CheckService Diagnosis 1035.9 Installation Condition CheckCheck No.175.10 Discharge Pressure CheckCheck No.18Installation condition check

Check SiBE05-722_C104 Service Diagnosis5.11 Outdoor Fan System CheckCheck No.19 DC motor5.12 Main Circuit Short CheckCheck No.20Note: Check to make su

SiBE05-722_C CheckService Diagnosis 105RK(X)S25/35G2V1BRK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1B(R12411)+~~–4321–+Tester(R12035)Tester–

Check SiBE05-722_C106 Service Diagnosis5.13 Power Module CheckCheck No.22Note: Check to make sure that the voltage between (+) and (–) of the power mo

SiBE05-722_C CheckService Diagnosis 107RK(X)S25/35G2V1BRK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1B(R18360)Power module(R16069)Power modul

SiBE05-722_C108 Trial Operation and Field SettingsPart 7Trial Operation andField Settings1. Pump Down Operation...

SiBE05-722_C Pump Down OperationTrial Operation and Field Settings 1091. Pump Down OperationOutline In order to protect the environment, be sure to co

Functions SiBE05-722_C2 List of Functions1. FunctionsCategory FunctionsFLKS25/35BAVMBRKS25/35E2V1BFLXS25/35BAVMBRXS25/35E2V1BCategory FunctionsFLKS25/

Forced Cooling Operation SiBE05-722_C110 Trial Operation and Field Settings2. Forced Cooling OperationIndoor UnitOutdoor Unit: RK(X)S25/35E2V1B, RK(X)

SiBE05-722_C Trial OperationTrial Operation and Field Settings 1113. Trial OperationOutline 1. Measure the supply voltage and make sure that it falls

Field Settings SiBE05-722_C112 Trial Operation and Field Settings4. Field Settings4.1 When 2 Units are Installed in 1 RoomOutline When 2 indoor units

SiBE05-722_C Field SettingsTrial Operation and Field Settings 1134.2 Facility Setting Jumper (cooling at low outdoor temperature)Outline This function

Field Settings SiBE05-722_C114 Trial Operation and Field SettingsRK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1BMain PCBCaution 1. If the ou

SiBE05-722_C Field SettingsTrial Operation and Field Settings 1154.3 Jumper and Switch SettingsJumperCaution Replace the PCB if you accidentally cut a

Silicon Grease on Power Transistor / Diode Bridge SiBE05-722_C116 Trial Operation and Field Settings5. Silicon Grease on Power Transistor / Diode Brid

SiBE05-722_CAppendix 117Part 8Appendix1. Piping Diagrams...1181.1 Indoo

Piping Diagrams SiBE05-722_C118 Appendix1. Piping Diagrams1.1 Indoor Unit FLKS25/35BAVMB FLXS25/35BAVMBREFRIGERANT FLOW COOLINGINDOOR UNIT(

SiBE05-722_C Piping DiagramsAppendix 1191.2 Outdoor Unit1.2.1 Cooling OnlyRKS25/35E2V1BRKS25/35G2V1B, RKS25/35G2V1B9M9.5CuTMUFFLER9.5CuTFIELD PIPINGFI

SiBE05-722_C FunctionsList of Functions 3Category FunctionsFLKS25/35BAVMBRKS25/35G2V1BFLXS25/35BAVMBRXS25/35G2V1BCategory FunctionsFLKS25/35BAVMBRKS25

Piping Diagrams SiBE05-722_C120 Appendix1.2.2 Heat PumpRXS25/35E2V1BRXS25/35G2V1B, RXS25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1BM9.5CuTMUFFLER

SiBE05-722_C Wiring DiagramsAppendix 1212. Wiring Diagrams2.1 Indoor UnitFLK(X)S25/35BAVMB2.2 Outdoor UnitRK(X)S25/35E2V1BLEDH1PPCB3LEDH2PPCB4S1WLEDH3

Wiring Diagrams SiBE05-722_C122 AppendixRK(X)S25/35G2V1BRK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1BFIELD WIRING.MRM20N=1ORGIPM1FU3X1MDB1i

SiBE05-722_C Removal Procedure (Booklet No.)Appendix 1233. Removal Procedure (Booklet No.)Refer to the following booklets for removal procedure.∗FLKS2

Revision HistoryMonth / Year Version Revised contents01 / 2007 SiBE05-722 First edition05 / 2010 SiBE05-722_A Model addition: RK(X)S25/35G2V1B, RK(X)S

Head Office:Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,Kita-ku, Osaka, 530-8323 JapanTokyo Office:JR Shinagawa East Bldg., 2-18-1, Konan,Minato-ku, To

Functions SiBE05-722_C4 List of FunctionsCategory FunctionsFLKS25/35BAVMBRKS25/35G2V1B9FLXS25/35BAVMBRXS25/35G2V1B9Category FunctionsFLKS25/35BAVMBRKS

SiBE05-722_C FunctionsList of Functions 5Category FunctionsFLXS25/35BAVMBRXS25/35J2V1BFLXS25/35BAVMBRXS25K3V1B, RXS35K2V1BCategory FunctionsFLXS25/35B

SiBE05-722_C6 SpecificationsPart 2Specifications1. Specifications ...

SiBE05-722_C SpecificationsSpecifications 71. Specifications1.1 Cooling Only50 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown

Specifications SiBE05-722_C8 Specifications50 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown in the table below.ModelIndoor Un

SiBE05-722_C SpecificationsSpecifications 950 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown in the table below.ModelIndoor Un

SiBE05-722_Ci Table of ContentsInverter PairFloor / Ceiling SuspendedDual TypeBA-SerieszCooling OnlyIndoor UnitFLKS25BAVMBFLKS35BAVMBOutdoor UnitRKS25

Specifications SiBE05-722_C10 Specifications1.2 Heat Pump50 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown in the table below.

SiBE05-722_C SpecificationsSpecifications 1150 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown in the table below.ModelIndoor U

Specifications SiBE05-722_C12 Specifications50 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown in the table below.ModelIndoor U

SiBE05-722_C SpecificationsSpecifications 1350 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown in the table below.ModelIndoor U

Specifications SiBE05-722_C14 Specifications50 Hz, 220 - 230 - 240 VNote: The data are based on the conditions shown in the table below.ModelIndoor U

SiBE05-722_CPrinted Circuit Board Connector Wiring Diagram 15Part 3Printed Circuit BoardConnector Wiring Diagram1. Indoor Unit...

Indoor Unit SiBE05-722_C16 Printed Circuit Board Connector Wiring Diagram1. Indoor UnitControl PCBCaution Replace the PCB if you accidentally cut the

SiBE05-722_C Indoor UnitPrinted Circuit Board Connector Wiring Diagram 17Power Supply PCBDisplay PCBSignal Receiver PCB1) S36 Connector for control PC

Outdoor Unit SiBE05-722_C18 Printed Circuit Board Connector Wiring Diagram2. Outdoor Unit2.1 RK(X)S25/35E2V1BMain PCBCaution Replace the PCB if you ac

SiBE05-722_C Outdoor UnitPrinted Circuit Board Connector Wiring Diagram 19Filter PCB1) S11 Connector for main PCB2) HL1, HN1, S Connector for terminal

SiBE05-722_CTable of Contents ii1. Introduction ...v1.1 Safe

Outdoor Unit SiBE05-722_C20 Printed Circuit Board Connector Wiring Diagram2.2 RK(X)S25/35G2V1BMain PCBCaution Replace the PCB if you accidentally cut

SiBE05-722_C Outdoor UnitPrinted Circuit Board Connector Wiring Diagram 21Filter PCB1) S11 Connector for main PCB2) HL1, HN1, S Connector for terminal

Outdoor Unit SiBE05-722_C22 Printed Circuit Board Connector Wiring Diagram2.3 RK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B, RXS35K2V1BMain PCBCaution

SiBE05-722_C Outdoor UnitPrinted Circuit Board Connector Wiring Diagram 23Filter PCBForced Operation Button PCB1) S11 Connector for main PCB2) AC1, AC

SiBE05-722_C24 Function and ControlPart 4Function and Control1. Main Functions...

SiBE05-722_C Main FunctionsFunction and Control 251. Main Functions1.1 Temperature ControlDefinitions of TemperaturesThe definitions of temperatures a

Main Functions SiBE05-722_C26 Function and ControlDrawing of InverterThe following drawing shows a schematic view of the inverter principle:Inverter F

SiBE05-722_C Main FunctionsFunction and Control 271.3 Airflow Direction ControlAuto-Swing The following table explains the auto swing process for cool

Main Functions SiBE05-722_C28 Function and Control<Heating>In heating operation, the fan speed is regulated according to the indoor heat exchang

SiBE05-722_C Main FunctionsFunction and Control 291.6 Automatic OperationOutline Automatic Cooling / Heating FunctionWhen the automatic operation is s

SiBE05-722_Ciii Table of Contents3.12 Malfunctions ...50Part 5

Main Functions SiBE05-722_C30 Function and Control1.7 Thermostat ControlOutline Thermostat control is based on the difference between the room thermis

SiBE05-722_C Main FunctionsFunction and Control 311.8 NIGHT SET ModeOutline When the OFF TIMER is set, the NIGHT SET Mode is automatically activated.

Main Functions SiBE05-722_C32 Function and Control1.9 HOME LEAVE OperationOutline HOME LEAVE operation is a function that allows you to record your fa

SiBE05-722_C Main FunctionsFunction and Control 33How to Set the Temperature and Airflow RateWhen using HOME LEAVE operation for the first time, set t

Main Functions SiBE05-722_C34 Function and Control1.11 Clock SettingARC433 Series The clock can be set by taking the following steps:1. Press the [CLO

SiBE05-722_C Main FunctionsFunction and Control 351.12 Other Functions1.12.1 Hot-Start FunctionIn order to prevent the cold air blast that normally co

Function of Thermistor SiBE05-722_C36 Function and Control2. Function of Thermistor(1) Outdoor Heat Exchanger Thermistor 1. The outdoor heat exchang

SiBE05-722_C Control SpecificationFunction and Control 373. Control Specification3.1 Mode HierarchyOutline Air conditioner control has normal operatio

Control Specification SiBE05-722_C38 Function and Control3.2 Frequency ControlOutline Frequency is determined according to the difference between the

SiBE05-722_C Control SpecificationFunction and Control 392. Determine upper limit frequencyThe minimum value is set as an upper limit frequency among

SiBE05-722_CTable of Contents ivPart 7 Trial Operation and Field Settings... 1081. Pump Down Operation...

Control Specification SiBE05-722_C40 Function and Control3.3 Controls at Mode Changing / Start-up3.3.1 Preheating ControlOutline The inverter operatio

SiBE05-722_C Control SpecificationFunction and Control 413.3.3 Four Way Valve Operation CompensationOutline At the beginning of the operation as the f

Control Specification SiBE05-722_C42 Function and Control3.4 Discharge Pipe Temperature ControlOutline The discharge pipe temperature is used as the i

SiBE05-722_C Control SpecificationFunction and Control 433.5 Input Current ControlOutline The microcomputer calculates the input current while the com

Control Specification SiBE05-722_C44 Function and Control3.6 Freeze-up Protection ControlOutline During cooling operation, the signal sent from the in

SiBE05-722_C Control SpecificationFunction and Control 453.8 Outdoor Fan Control1. Fan ON control to cool down the electrical boxThe outdoor fan is tu

Control Specification SiBE05-722_C46 Function and Control3.10 Defrost ControlOutline Defrosting is carried out by the cooling cycle (reverse cycle). T

SiBE05-722_C Control SpecificationFunction and Control 473.11 Electronic Expansion Valve ControlOutline The following items are included in the electr

Control Specification SiBE05-722_C48 Function and Control3.11.1 Fully Closing with Power ONThe electronic expansion valve is initialized when turning

SiBE05-722_C Control SpecificationFunction and Control 493.11.7 Control for Disconnection of the Discharge Pipe ThermistorOutline The disconnection of

Introduction SiBE05-722_Cv1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repa

Control Specification SiBE05-722_C50 Function and Control3.12 Malfunctions3.12.1 Sensor Malfunction DetectionSensor malfunction may occur in the therm

SiBE05-722_CRemote Controller 51Part 5Remote Controller1. FLK(X)S25/35BAVMB...

FLK(X)S25/35BAVMB SiBE05-722_C52 Remote Controller1. FLK(X)S25/35BAVMBReference Refer to the following pages for detail.Note: Refer to the operation m

SiBE05-722_C FLK(X)S25/35BAVMBRemote Controller 53Open the Front CoverReference Refer to the following pages for detail.Note: Refer to the operation m

SiBE05-722_C54 Service DiagnosisPart 6Service Diagnosis1. Troubleshooting with LED ...

SiBE05-722_C Troubleshooting with LEDService Diagnosis 551. Troubleshooting with LED1.1 Indoor UnitOperation Lamp The operation lamp blinks when any o

Problem Symptoms and Measures SiBE05-722_C56 Service Diagnosis2. Problem Symptoms and MeasuresSymptom Check Item Details of Measure ReferencePageThe u

SiBE05-722_C Service Check FunctionService Diagnosis 573. Service Check FunctionCheck Method 1 1. When the timer cancel button is held down for 5 seco

Service Check Function SiBE05-722_C58 Service DiagnosisCheck Method 21. Press the center of the [TEMP] button and the [MODE] button at the same time t

SiBE05-722_C Service Check FunctionService Diagnosis 595. Press the [TEMP]  or  button and change the number until you hear the long beep.6. Diagnos

SiBE05-722_C IntroductionviBe sure to wear a safety helmet, gloves, and a safety belt when working at a high place (more than 2 m). Insufficient safet

Troubleshooting SiBE05-722_C60 Service Diagnosis4. Troubleshooting4.1 Error Codes and Description: Displayed only when system-down occurs.Error Codes

SiBE05-722_C TroubleshootingService Diagnosis 614.2 Indoor Unit PCB AbnormalityError CodeA1Method of Error DetectionThe system checks if the circuit w

Troubleshooting SiBE05-722_C62 Service Diagnosis4.3 Freeze-up Protection Control or Heating Peak-cut ControlError CodeA5Method of Error DetectionFree

SiBE05-722_C TroubleshootingService Diagnosis 634.4 Fan Motor (AC Motor) or Related AbnormalityError CodeA6Method of Error DetectionThe rotation speed

Troubleshooting SiBE05-722_C64 Service Diagnosis4.5 Thermistor or Related Abnormality (Indoor Unit)Error CodeC4, C9 Method of Error DetectionThe tempe

SiBE05-722_C TroubleshootingService Diagnosis 654.6 Refrigerant ShortageError CodeU0Method of Error DetectionRefrigerant shortage detection I:Refriger

Troubleshooting SiBE05-722_C66 Service DiagnosisTroubleshootingCheck No.01Refer to P.96Check No.12Refer to P.98(R16015)CautionYESNGNONOYESYESYESNOYESN

SiBE05-722_C TroubleshootingService Diagnosis 674.7 Low-voltage Detection or Over-voltage DetectionError CodeU2Method of Error DetectionLow-voltage de

Troubleshooting SiBE05-722_C68 Service DiagnosisTroubleshootingCorrect the power supply.Replace the outdoor unit PCB.Check for such factors for a long

SiBE05-722_C TroubleshootingService Diagnosis 694.8 Signal Transmission Error (between Indoor Unit and Outdoor Unit)Error CodeU4Method of Error Detect

Introduction SiBE05-722_Cvii1.1.2 Cautions Regarding Safety of UsersWarningBe sure to use parts listed in the service parts list of the applicable mod

Troubleshooting SiBE05-722_C70 Service DiagnosisTroubleshootingCheck No.11Refer to P.97Check No.11Check the power supply waveform.Check the voltage of

SiBE05-722_C TroubleshootingService Diagnosis 714.9 Unspecified Voltage (between Indoor Unit and Outdoor Unit)Error CodeUAMethod of Error DetectionThe

Troubleshooting SiBE05-722_C72 Service Diagnosis4.10 Outdoor Unit PCB AbnormalityError CodeE1Method of Error DetectionThe system checks if the microp

SiBE05-722_C TroubleshootingService Diagnosis 734.11 OL Activation (Compressor Overload)Error CodeE5Method of Error DetectionA compressor overload is

Troubleshooting SiBE05-722_C74 Service DiagnosisTroubleshootingCheck No.01Refer to P.96Check No.12Refer to P.98Check No.13Refer to P.99Check No.14Refe

SiBE05-722_C TroubleshootingService Diagnosis 754.12 Compressor LockError CodeE6Method of Error DetectionA compressor lock is detected by checking the

Troubleshooting SiBE05-722_C76 Service Diagnosis4.13 DC Fan LockError CodeE7Method of Error DetectionAn error is determined with the high-voltage fan

SiBE05-722_C TroubleshootingService Diagnosis 774.14 Input Overcurrent DetectionError CodeE8Method of Error DetectionAn input overcurrent is detected

Troubleshooting SiBE05-722_C78 Service Diagnosis4.15 Four Way Valve AbnormalityError CodeEAMethod of Error DetectionThe room temperature thermistor an

SiBE05-722_C TroubleshootingService Diagnosis 79TroubleshootingCheck No.01Refer to P.96Check No.13Refer to P.99Check No.14Refer to P.99NGOKNOOKNGOKYES

SiBE05-722_C IntroductionviiiCheck to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet securely.If

Troubleshooting SiBE05-722_C80 Service Diagnosis4.16 Discharge Pipe Temperature ControlError CodeF3Method of Error DetectionAn error is determined wit

SiBE05-722_C TroubleshootingService Diagnosis 814.17 High Pressure Control in CoolingError CodeF6Method of Error DetectionHigh-pressure control (opera

Troubleshooting SiBE05-722_C82 Service Diagnosis4.18 Compressor System Sensor AbnormalityError Code H0Method of Error DetectionThe system checks the

SiBE05-722_C TroubleshootingService Diagnosis 834.19 Position Sensor AbnormalityError CodeH6Method of Error DetectionA compressor start-up failure is

Troubleshooting SiBE05-722_C84 Service DiagnosisTroubleshootingCheck No.15Refer to P.100Check No.18Refer to P.103Check No.20Refer to P.104CautionBe su

SiBE05-722_C TroubleshootingService Diagnosis 854.20 DC Voltage / Current Sensor AbnormalityError CodeH8Method of Error DetectionDC voltage or DC curr

Troubleshooting SiBE05-722_C86 Service Diagnosis4.21 Thermistor or Related Abnormality (Outdoor Unit)Error Code H9, J3, J6, P4Method of Error Detectio

SiBE05-722_C TroubleshootingService Diagnosis 87TroubleshootingIn case of RK(X)S25/35E2V1BIn case of “H9” “J3” “J6” for RK(X)S25/35G2V1B, RK(X)S25/3

Troubleshooting SiBE05-722_C88 Service Diagnosis4.22 Electrical Box Temperature RiseError CodeL3Method of Error DetectionAn electrical box temperature

SiBE05-722_C TroubleshootingService Diagnosis 89Troubleshooting RK(X)S25/35E2V1BCheck No.01Refer to P.96Check No.17Refer to P.103Check No.19Refer to P