Daikin BRC7E61W Service Manual Page 1

SiENBE34-703Basic Training ManualR-410AHeat Pump 50HzService Manual

SiENBE34-703 Introductionix1.2 PREFACEThank you for your continued patronage of Daikin products.This is the new service manual for Daikin's Year

SiENBE34-703 Field SettingTest Operation 89The numbers in the "No." column represent the number of times to press the SET (BS2) button.No.Se

Field Setting SiENBE34-70390 Test OperationThe numbers in the "No." column represent the number of times to press the SET (BS2) button.No.Se

SiENBE34-703 Field SettingTest Operation 91The numbers in the "No." column represent the number of times to press the SET (BS2) button.Setti

Field Setting SiENBE34-70392 Test OperationPush the SET button and match with the LEDs No. 1 - 15, push the RETURN button, and confirm the data for ea

SiENBE34-703 Field SettingTest Operation 933.2.2 Cool / Heat Mode SwitchingThere are the following 4 cool/heat switching modes.$ Set cool/heat separat

Field Setting SiENBE34-70394 Test Operation% Set Cool / Heat Separately for Each Outdoor Unit System by Cool/Heat Switching remote control# It does no

SiENBE34-703 Field SettingTest Operation 953.2.3 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting the ex

Field Setting SiENBE34-70396 Test OperationSetting of Demand OperationBy connecting the external contact input to the demand input of the outdoor unit

SiENBE34-703 Field SettingTest Operation 97Detailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)$ In setting

Field Setting SiENBE34-70398 Test Operation": ON ): OFF 9: Blink$%&Setting No.Setting contentsSetting No. indication Setting No. indica

Introduction SiENBE34-703x

SiENBE34-703 Field SettingTest Operation 993.2.4 Setting of Refrigerant Additional Charging Operation* When the outdoor unit is stopped and the entir

Field Setting SiENBE34-703100 Test Operation3.2.5 Setting of Refrigerant Recovery ModeWhen carrying out the refrigerant collection on site, fully open

SiENBE34-703 Field SettingTest Operation 1013.2.6 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expansion v

Field Setting SiENBE34-703102 Test Operation

SiENBE34-703Troubleshooting 103Part 7Troubleshooting1. Symptom-based Troubleshooting ...1052. Trou

SiENBE34-703104 Troubleshooting3.27 “J9” Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas Pipe Thermistor (R4T) ...

SiENBE34-703 Symptom-based TroubleshootingTroubleshooting 1051. Symptom-based TroubleshootingSymptom Supposed Cause Countermeasure1 The system does no

Symptom-based Troubleshooting SiENBE34-703106 Troubleshooting6 COOL-HEAT selection is disabled.The remote control displays "UNDER CENTRALIZED CON

SiENBE34-703 Symptom-based TroubleshootingTroubleshooting 10711 The system produces sounds.<Indoor unit>Immediately after turning ON the power s

Troubleshooting by Remote Control SiENBE34-703108 Troubleshooting2. Troubleshooting by Remote Control2.1 The INSPECTION / TEST ButtonThe following mod

SiENBE34-703General Information 1Part 1General Information1. Model Names of Indoor/Outdoor Units...22

SiENBE34-703 Troubleshooting by Remote ControlTroubleshooting 1092.2 Self-diagnosis by Wired Remote Control Explanation If operation stops due to malf

Troubleshooting by Remote Control SiENBE34-703110 Troubleshooting2.3 Self-diagnosis by Infrared Remote ControlIn the Case of BRC7C TypeBRC7E TypeBRC4C

SiENBE34-703 Troubleshooting by Remote ControlTroubleshooting 111! The lower digit of the code changes as shown below when the UP and DOWN buttons are

Troubleshooting by Remote Control SiENBE34-703112 Troubleshooting2.4 Operation of the remote control’s Inspection / Test Operation ButtonInspection/te

SiENBE34-703 Troubleshooting by Remote ControlTroubleshooting 1132.5 remote control Service ModeHow to Enter the Service ModeService Mode Operation Me

Troubleshooting by Remote Control SiENBE34-703114 TroubleshootingMode NoFunction Contents and operation method remote control display example40Malfunc

SiENBE34-703 Troubleshooting by Remote ControlTroubleshooting 1152.6 remote control Self-Diagnosis FunctionThe remote control switches are equipped wi

Troubleshooting by Remote Control SiENBE34-703116 Troubleshooting 8: ON 7: OFF 9: BlinkMalfunction codeOperation lamp Inspection displayUnit No

SiENBE34-703 Troubleshooting by Remote ControlTroubleshooting 117Outdoor Unit LA 999Malfunction of power unit —LC 999Malfunction of transmission betwe

Troubleshooting by Remote Control SiENBE34-703118 TroubleshootingMalfunction code indication by outdoor unit PC boardTo enter the monitor mode, push t

Model Names of Indoor/Outdoor Units SiENBE34-7032 General Information1. Model Names of Indoor/Outdoor Units*Indoor UnitsNote: BEV unit is required for

SiENBE34-703 Troubleshooting by Remote ControlTroubleshooting 1198: ON 7: OFF 9:BlinkMalfunction codeConfirmation of malfunction 1 Confirmation

Troubleshooting by Remote Control SiENBE34-703120 TroubleshootingTo enter the monitor mode, push the MODE (BS1) button when in “Setting mode 1”.Push t

SiENBE34-703 Troubleshooting by Remote ControlTroubleshooting 1218: ON 7: OFF 9:BlinkMalfunction codeConfirmation of malfunction 1 Confirmation

Troubleshooting by Indication on the remote control SiENBE34-703122 Troubleshooting3. Troubleshooting by Indication on the remote control3.1 “A0” Indo

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1233.2 “A1” Indoor Unit: PC Board Defectremote control DisplayA1Applic

Troubleshooting by Indication on the remote control SiENBE34-703124 Troubleshooting3.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 125Troubleshooting(V2778)Be sure to turn off power switch before conne

Troubleshooting by Indication on the remote control SiENBE34-703126 Troubleshooting3.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overloadremote control

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1273.5 “A7” Indoor Unit: Malfunction of Swing Flap Motor (M1S)remote c

Troubleshooting by Indication on the remote control SiENBE34-703128 TroubleshootingTroubleshootingBe sure to turn off power switch before connect or d

SiENBE34-703 External AppearanceGeneral Information 32. External Appearance2.1 Indoor UnitsCeiling Mounted Cassette Type (Double Flow)FXCQ20M8FXCQ25M8

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1293.6 “A9” Indoor Unit: Malfunction of Moving Part of Electronic Expa

Troubleshooting by Indication on the remote control SiENBE34-703130 Troubleshooting∗1: Coil check method for the moving part of the electronic expansi

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1313.7 “AF” Indoor Unit: Drain Level above Limitremote control Display

Troubleshooting by Indication on the remote control SiENBE34-703132 Troubleshooting3.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Devicer

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1333.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exch

Troubleshooting by Indication on the remote control SiENBE34-703134 Troubleshooting3.10 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipe

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1353.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction

Troubleshooting by Indication on the remote control SiENBE34-703136 Troubleshooting3.12 “CA” Indoor Unit: Malfunction of Thermistor for Discharge Airr

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1373.13 “CJ” Indoor Unit: Malfunction of Thermostat Sensor in remote c

Troubleshooting by Indication on the remote control SiENBE34-703138 Troubleshooting3.14 “E1” Outdoor Unit: PC Board Defectremote control DisplayE1Appl

Capacity Range SiENBE34-7034 General Information3. Capacity RangeOutdoor UnitsIndoor UnitsCapacity Range 4HP 5HP 6HPRXYSQ 4P 5P 6PNo of Indoor Units t

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1393.15 “E3” Outdoor Unit: Actuation of High Pressure Switchremote con

Troubleshooting by Indication on the remote control SiENBE34-703140 TroubleshootingTroubleshooting+5V(4)(3)(2)(1)Check for the points shown below.1 Is

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1413.16 “E4” Outdoor Unit: Actuation of Low Pressure Sensorremote cont

Troubleshooting by Indication on the remote control SiENBE34-703142 TroubleshootingTroubleshootingNOYESNOYESNOYESCHECK 2Open the stop valve.1 Mount a

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1433.17 “E5” Inverter Compressor Motor Lockremote control DisplayE5App

Troubleshooting by Indication on the remote control SiENBE34-703144 Troubleshooting3.18 “E7” Malfunction of Outdoor Unit Fan Motorremote control Displ

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1453.19 “E9” Outdoor Unit: Malfunction of Moving Part of Electronic Ex

Troubleshooting by Indication on the remote control SiENBE34-703146 TroubleshootingTroubleshooting(V3067)(Orange) 1Measuring points1 - 62 - 63 - 64 -

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1473.20 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperatureremote c

Troubleshooting by Indication on the remote control SiENBE34-703148 Troubleshooting3.21 “F6” Outdoor Unit: Refrigerant Overchargedremote control Displ

SiENBE34-703Specifications 5Part 2Specifications1. Specifications ...

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1493.22 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor

Troubleshooting by Indication on the remote control SiENBE34-703150 Troubleshooting3.23 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1513.24 “J5” Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Su

Troubleshooting by Indication on the remote control SiENBE34-703152 Troubleshooting3.25 “J6” Outdoor Unit: Malfunction of Thermistor (R6T) for Outdoor

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1533.26 “J7” Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor

Troubleshooting by Indication on the remote control SiENBE34-703154 Troubleshooting3.27 “J9” Outdoor Unit: Malfunction of Subcooling Heat Exchanger Ga

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1553.28 “JA” Outdoor Unit: Malfunction of High Pressure Sensorremote c

Troubleshooting by Indication on the remote control SiENBE34-703156 Troubleshooting3.29 “JC” Outdoor Unit: Malfunction of Low Pressure Sensorremote co

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1573.30 “L1” Outdoor Unit: Malfunction of PC Boardremote control Displ

Troubleshooting by Indication on the remote control SiENBE34-703158 Troubleshooting3.31 “L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempe

Specifications SiENBE34-7036 Specifications1. Specifications1.1 Outdoor UnitsHeat Pump 50Hz <RXYSQ-P7Y1B>Notes:H1 Indoor temp. : 27°CDB, 19°CWB

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1593.32 “L5” Outdoor Unit: Inverter Compressor Abnormalremote control

Troubleshooting by Indication on the remote control SiENBE34-703160 Troubleshooting3.33 “L8” Outdoor Unit: Inverter Current Abnormalremote control Dis

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1613.34 “L9” Outdoor Unit: Inverter Start up Errorremote control Displ

Troubleshooting by Indication on the remote control SiENBE34-703162 Troubleshooting3.35 “LC” Outdoor Unit: Malfunction of Transmission between Inverte

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1633.36 “P1” Outdoor Unit: High Voltage of Capacitor in Main Inverter

Troubleshooting by Indication on the remote control SiENBE34-703164 Troubleshooting3.37 “UO” Outdoor Unit: Low Pressure Drop Due to Refrigerant Shorta

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 165Troubleshooting∗2: Voltage measurement point∗1: Refer to “Thermisto

Troubleshooting by Indication on the remote control SiENBE34-703166 Troubleshooting3.38 “U2” Power Supply Insufficient or Instantaneous Failureremote

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 167Troubleshooting∗1: Inverter’s Power Transistors Check : Refer to in

Troubleshooting by Indication on the remote control SiENBE34-703168 Troubleshooting3.39 “U3” Check Operation not Executedremote control DisplayU3Appli

SiENBE34-703 SpecificationsSpecifications 7Notes:H1 Indoor temp. : 27°CDB, 19°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1693.40 “U4” Malfunction of Transmission between Indoor Units and Outd

Troubleshooting by Indication on the remote control SiENBE34-703170 TroubleshootingTroubleshooting∗ : Refer to information on P.195.(V3187)Be sure t

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1713.41 “U5” Malfunction of Transmission between remote control and In

Troubleshooting by Indication on the remote control SiENBE34-703172 Troubleshooting3.42 “U8” Malfunction of Transmission between Main and Sub remote c

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1733.43 “U9” Malfunction of Transmission between Indoor and Outdoor Un

Troubleshooting by Indication on the remote control SiENBE34-703174 TroubleshootingTroubleshootingBe sure to turn off power switch before connect or d

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1753.44 “UA” Excessive Number of Indoor Unitsremote control DisplayUAA

Troubleshooting by Indication on the remote control SiENBE34-703176 Troubleshooting3.45 “UC” Address Duplication of Central remote controlRemote Contr

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1773.46 “UE” Malfunction of Transmission between Central remote contro

Troubleshooting by Indication on the remote control SiENBE34-703178 TroubleshootingTroubleshootingBe sure to turn off power switch before connect or d

Specifications SiENBE34-7038 Specifications1.2 Indoor UnitsCeiling Mounted Cassette Type (Double Flow)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdo

SiENBE34-703 Troubleshooting by Indication on the remote controlTroubleshooting 1793.47 “UF” System is not Set yetremote control DisplayUFApplicable M

Troubleshooting by Indication on the remote control SiENBE34-703180 Troubleshooting3.48 “UH” Malfunction of System, Refrigerant System Address Undefin

SiENBE34-703 Troubleshooting by Indication on the Centralized remote controlTroubleshooting 1814. Troubleshooting by Indication on the Centralized rem

Troubleshooting by Indication on the Centralized remote control SiENBE34-703182 Troubleshooting4.2 “M1” PC Board Defectremote control DisplayM1Applica

SiENBE34-703 Troubleshooting by Indication on the Centralized remote controlTroubleshooting 1834.3 “M8” Malfunction of Transmission between Optional C

Troubleshooting by Indication on the Centralized remote control SiENBE34-703184 Troubleshooting4.4 “MA” Improper Combination of Optional Controllers f

SiENBE34-703 Troubleshooting by Indication on the Centralized remote controlTroubleshooting 185TroubleshootingBe sure to turn off power switch before

Troubleshooting by Indication on the Centralized remote control SiENBE34-703186 Troubleshooting4.5 “MC” Address Duplication, Improper Settingremote co

SiENBE34-703 Troubleshooting by Indication on the Unified ON/OFF ControlTroubleshooting 1875. Troubleshooting by Indication on the Unified ON/OFF Cont

Troubleshooting by Indication on the Unified ON/OFF Control SiENBE34-703188 TroubleshootingTroubleshooting(V2841)Be sure to turn off power switch befo

SiENBE34-703Table of Contents iR-410AHeat Pump50Hz1. Introduction ...

SiENBE34-703 SpecificationsSpecifications 9Ceiling Mounted Cassette Type (Double Flow)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB

SiENBE34-703 Troubleshooting by Indication on the Unified ON/OFF ControlTroubleshooting 1895.2 Display “Under Host Computer Integrate Control” Blinks

Troubleshooting by Indication on the Unified ON/OFF Control SiENBE34-703190 TroubleshootingTroubleshootingBe sure to turn off power switch before conn

SiENBE34-703 Troubleshooting by Indication on the Unified ON/OFF ControlTroubleshooting 191Cannot be used in combination with a wiring adapter for ele

Troubleshooting by Indication on the Unified ON/OFF Control SiENBE34-703192 Troubleshooting5.3 Display “Under Host Computer Integrate Control” Blinks

SiENBE34-703 Troubleshooting by Indication on the Unified ON/OFF ControlTroubleshooting 193[CHECK 1] Check for causes of rise in high pressureReferrin

Troubleshooting by Indication on the Unified ON/OFF Control SiENBE34-703194 Troubleshooting[CHECK 2] Check for causes of drop in low pressureReferring

SiENBE34-703 Troubleshooting by Indication on the Unified ON/OFF ControlTroubleshooting 195[CHECK 3] Check for Fan Motor Connector(1) Turn the power s

Troubleshooting by Indication on the Unified ON/OFF Control SiENBE34-703196 Troubleshooting

SiENBE34-703Appendix 197Part 8Appendix1. Piping Diagrams...1981.1 Outdo

Piping Diagrams SiENBE34-703198 Appendix1. Piping Diagrams1.1 Outdoor UnitRXYSQ4 / 5 / 6P7Y1B 3D052628Heat exchangerFilterFilterFilterFilterFilterComp

Specifications SiENBE34-70310 SpecificationsCeiling Mounted Cassette Type (Multi-flow) Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CD

SiENBE34-703 Piping DiagramsAppendix 1991.2 Indoor UnitFXCQ, FXFQ, FXZQ, FXKQ, FXSQ, FXMQ, FXHQ, FXAQ, FXLQ, FXNQ DU220-602J(4)(1)(2)(3)Heat exchanger

Piping Diagrams SiENBE34-703200 AppendixFXDQ! Refrigerant pipe connection port diameters 4D043864HGas sideLiquid sideFilterFanIndoor heat exchangerFil

SiENBE34-703 Piping DiagramsAppendix 201FXUQ + BEVQIndoor UnitConnection Unit 4D037995FIndoor heat exchangerTo outdoor unitIndoor unitFilterField pipi

Wiring Diagrams SiENBE34-703202 Appendix2. Wiring Diagrams2.1 Outdoor UnitRXYSQ4 / 5 / 6P7Y1BNotes1. This wiring diagram is applied only to the outdoo

SiENBE34-703 Wiring DiagramsAppendix 2032.2 Field WiringRXYSQ4 / 5 / 6P7Y1B3D057919 2 Wires Cable(Transmisson line)2 Wires Cable(Transmisson line)2 Wi

Wiring Diagrams SiENBE34-703204 Appendix2.3 Indoor UnitFXCQ20 / 25 / 32 / 63M8

SiENBE34-703 Wiring DiagramsAppendix 205FXCQ40 / 50 / 80 / 125M8V3

Wiring Diagrams SiENBE34-703206 AppendixFXFQ25 / 32 / 40 / 50 / 63 / 80 / 100 / 125P7VE

SiENBE34-703 Wiring DiagramsAppendix 207FXZQ20 / 25 / 32 / 40 / 50M8V1

Wiring Diagrams SiENBE34-703208 AppendixFXKQ25MA / 32MA / 40MA / 63MAVE3D039564CPrinted circuit boardTerminal boardCapacitor (M1F)Fuse (훾, 5A, 250V)Li

SiENBE34-703 SpecificationsSpecifications 11Ceiling Mounted Cassette Type (Multi-flow)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB

SiENBE34-703 Wiring DiagramsAppendix 209FXDQ20P / 25P / 32PFXDQ20NA / 25NA / 32NA / 40NA / 50NA / 63NAVE (with Drain Pump)3D045500CPrinted circuit boa

Wiring Diagrams SiENBE34-703210 AppendixFXDQ20 / 25M8V3

SiENBE34-703 Wiring DiagramsAppendix 211FXSQ20 / 25 / 32 / 40 / 50 / 63 / 80 / 100 / 125M8V3

Wiring Diagrams SiENBE34-703212 AppendixFXMQ40MA / 50MA / 63MA / 80MA / 100MA / 125MAVE3D039620BNotes1. : Terminal block, , : Connector, : Termi

SiENBE34-703 Wiring DiagramsAppendix 213FXHQ32MA / 63MA / 100MAVE3D039801DNotes1. : Terminal block, : Connector, : Short circuit connector2. :

Wiring Diagrams SiENBE34-703214 AppendixFXAQ20MA / 25MA / 32MAVE / 40MA / 50MA / 63MAVE3D034206CNotes1. : Terminal block, : Connector, : : : Fie

SiENBE34-703 Wiring DiagramsAppendix 215FXLQ20MA / 25MA / 32MA / 40MA / 50MA / 63MAVEFXNQ20MA / 25MA / 32MA / 40MA / 50MA / 63MAVE3D039826DNotes1. :

Wiring Diagrams SiENBE34-703216 AppendixFXUQ71MA / 100MA / 125MAV13D044973ANotes1. : Terminal: Connector2. : Field wiring.3. The BEV unit shows an

SiENBE34-703 Wiring DiagramsAppendix 217BEVQ71MA / 100MA / 125MAVE3D044901BPOWER SUPPLYTO INDOOR UNITBEV UNITTO OUTDOOR UNITPrinted circuit board ASSY

Option List SiENBE34-703218 Appendix3. Option List3.1 Option List of ControllersOperation Control System Optional AccessoriesNote:1. Installation box

Specifications SiENBE34-70312 SpecificationsNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length: 7.5m, level d

SiENBE34-703 Option ListAppendix 219Building management systemNotes:H1. PPD does not support Connection Unit Series.H2. BACnet® is a registered tradem

Option List SiENBE34-703220 Appendix3.2 Option List of Outdoor UnitRXYSQ4 / 5 / 6PC: 3D045727BOptional accessoriesRXYSQ4P7Y1BRXYSQ5P7Y1BRXYSQ6P7Y1BCoo

SiENBE34-703 Option ListAppendix 221

Example of Connection SiENBE34-703222 Appendix4. Example of Connectionab c d e fghi j kl mn12345678H2H1PABCDEFG[Gas side]ø 15.9 × 1.0ø 19.1 × 1.0 *ø 1

SiENBE34-703 Example of ConnectionAppendix 223gmn678H2H1PH1H2aaiibcde fgh123456kj78H1H2cdefghb12345678FGAB00 *00 *f 9.5 × 0.8ø 15.9 × 1.0ø 9.5 × 0.86

Example of Connection SiENBE34-703224 Appendix

SiBE34-703 Thermistor Resistance / Temperature CharacteristicsAppendix 2255. Thermistor Resistance / Temperature CharacteristicsIndoor unit For air su

Thermistor Resistance / Temperature Characteristics SiBE34-703226 AppendixOutdoor Unit Thermistors for Discharge Pipe (R2T)(kΩ)T°C 0.0 0.5 T°C 0.0 0.5

SiBE34-703 Pressure SensorAppendix 2276. Pressure SensorPH : Detected Pressure [High Side] MPaPL : Detected Pressure [Low Side] MPaVH : Output Voltage

Method of Replacing the Inverter’s Power Transistors Modules SiBE34-703228 Appendix7. Method of Replacing the Inverter’s Power Transistors ModulesChec

SiENBE34-703 SpecificationsSpecifications 13600×600 Ceiling Mounted Cassette Type (Multi Flow)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outside temp.

SiBE34-703 Method of Replacing the Inverter’s Power Transistors ModulesAppendix 229Power module checkingWhen using the digital type of multiple tester

Method of Replacing the Inverter’s Power Transistors Modules SiBE34-703230 Appendix

SiENBE34-703Precautions for New Refrigerant (R-410A) 231Part 9Precautions for NewRefrigerant (R-410A)1. Precautions for New Refrigerant (R-410A) ...

Precautions for New Refrigerant (R-410A) SiENBE34-703232 Precautions for New Refrigerant (R-410A)1. Precautions for New Refrigerant (R-410A)1.1 Outlin

SiENBE34-703 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 233! Thermodynamic characteristic of R-410ATemperature(°

Precautions for New Refrigerant (R-410A) SiENBE34-703234 Precautions for New Refrigerant (R-410A)1.2 Refrigerant Cylinders! Cylinder specifications2 T

SiENBE34-703 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2351.3 Service ToolsR-410A is used under higher working

Precautions for New Refrigerant (R-410A) SiENBE34-703236 Precautions for New Refrigerant (R-410A)1. Flaring tool! Specifications2 Dimension A! Differe

SiENBE34-703 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2372. Torque wrench! Specifications2 Dimension B Unit:mm

Precautions for New Refrigerant (R-410A) SiENBE34-703238 Precautions for New Refrigerant (R-410A)4. Leak tester! Specifications2 Hydrogen detecting ty

Specifications SiENBE34-70314 Specifications600×600 Ceiling Mounted Cassette Type (Multi Flow)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outside temp.

SiENBE34-703 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2392 Temperature scale indicates the relationship betwee

Precautions for New Refrigerant (R-410A) SiENBE34-703240 Precautions for New Refrigerant (R-410A)9. Weigher for refrigerant charge! Specifications2 Hi

SiENBE34-703Removal Procedure 241Part 10Removal Procedure1. RXYSQ4 · 5 · 6 P7Y1B ...

RXYSQ4 · 5 · 6 P7Y1B SiENBE34-703242 Removal Procedure1. RXYSQ4 · 5 · 6 P7Y1B1.1 Procedure to Remove Outside PanelsProcedure Warning Be sure to commen

SiENBE34-703 RXYSQ4 · 5 · 6 P7Y1BRemoval Procedure 243StepProcedure Points6 Remove the discharge grill after removing its four screws and releasing it

RXYSQ4 · 5 · 6 P7Y1B SiENBE34-703244 Removal ProcedureStepProcedure Points8 Removing heat exchanger coverRemove the heat exchanger cover after releasi

SiENBE34-703 RXYSQ4 · 5 · 6 P7Y1BRemoval Procedure 2451.2 Procedure to Remove Propeller Fan and Fan MotorProcedure Warning Be sure to commence the dis

RXYSQ4 · 5 · 6 P7Y1B SiENBE34-703246 Removal ProcedureStepProcedure Points2 Remove the clamp material.! Pull off the connector while supporting its bo

SiENBE34-703 RXYSQ4 · 5 · 6 P7Y1BRemoval Procedure 2471.3 Procedure to Remove CompressorProcedure Warning Be sure to commence the disassembling work a

RXYSQ4 · 5 · 6 P7Y1B SiENBE34-703248 Removal ProcedureStepProcedure Points4Remove the sound insulation for the compressor.5Remove the crankcase heater

SiENBE34-703 SpecificationsSpecifications 15Ceiling Mounted Cassette Corner TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equ

SiENBE34-703 RXYSQ4 · 5 · 6 P7Y1BRemoval Procedure 249StepProcedure Points! Make sure that there is no refrigerant gas left within the refrigerant cir

RXYSQ4 · 5 · 6 P7Y1B SiENBE34-703250 Removal Procedure

SiENBE34-703Index iIndexAA0 ...122A1 ...

SiENBE34-703ii IndexMalfunction of Low Pressure Sensor ...156Malfunction of Moving Part of Electronic Expansion Valve (Y1E) ...

SiENBE34-703Drawings & Flow Charts iiiDrawings & Flow ChartsAabnormal discharge pipe temperature ...147actuation of high pressu

SiENBE34-703iv Drawings & Flow Chartsmalfunction of transmission between optional controllers for centralized control ...183malfun

ÉSiENBE34-703kËÍISO14001 assures an effective environmentalmanagement system in order to help protect human healthand the environment from the potenti

Specifications SiENBE34-70316 SpecificationsSlim Ceiling Mounted Duct Type (with Drain Pump)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 3

SiENBE34-703 SpecificationsSpecifications 17Slim Ceiling Mounted Duct Type (with Drain Pump)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 3

Specifications SiENBE34-70318 SpecificationsSlim Ceiling Mounted Duct Type (with Drain Pump)Notes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 3

SiENBE34-703ii Table of Contents4. Protection Control ...524.1 High Pres

SiENBE34-703 SpecificationsSpecifications 19Ceiling Mounted Built-in TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent

Specifications SiENBE34-70320 SpecificationsCeiling Mounted Built-in TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent

SiENBE34-703 SpecificationsSpecifications 21Ceiling Mounted Built-in TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent

Specifications SiENBE34-70322 SpecificationsCeiling Mounted Duct TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

SiENBE34-703 SpecificationsSpecifications 23Ceiling Mounted Duct TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Specifications SiENBE34-70324 SpecificationsCeiling Suspended TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

SiENBE34-703 SpecificationsSpecifications 25Wall Mounted TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping leng

Specifications SiENBE34-70326 SpecificationsWall Mounted TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CDB / Equivalent piping lengt

SiENBE34-703 SpecificationsSpecifications 27Floor Standing TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping le

Specifications SiENBE34-70328 SpecificationsFloor Standing TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping le

SiENBE34-703Table of Contents iii3.14 “E1” Outdoor Unit: PC Board Defect ...1383.15 “E3” Outdoor Un

SiENBE34-703 SpecificationsSpecifications 29Concealed Floor Standing TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent

Specifications SiENBE34-70330 SpecificationsConcealed Floor Standing TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent

SiENBE34-703 SpecificationsSpecifications 31Ceiling Suspended Cassette TypeNotes:H1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivale

Specifications SiENBE34-70332 SpecificationsBEV UnitsModel BEVQ71MAVE BEVQ100MAVE BEVQ125MAVEPower Supply 1 Phase 50Hz 220~240V 1 Phase 50Hz 220~240V

SiENBE34-703List of Electrical and Functional Parts 33Part 3List of Electrical andFunctional Parts1. List of Electrical and Functional Parts ...

List of Electrical and Functional Parts SiENBE34-70334 List of Electrical and Functional Parts1. List of Electrical and Functional Parts1.1 Outdoor Un

SiENBE34-703Refrigerant Circuit 35Part 4Refrigerant Circuit1. Refrigerant Circuit ...

Refrigerant Circuit SiENBE34-70336 Refrigerant Circuit1. Refrigerant Circuit1.1 RXYSQ4 / 5 / 6PNo. in refrigerant system diagramSymbol Name Major Func

SiENBE34-703 Refrigerant CircuitRefrigerant Circuit 37C : 3D052628 52APGNMDDOH14367FSET8Subcoolingheat exchangerElectronic expansion valveElectronic e

Functional Parts Layout SiENBE34-70338 Refrigerant Circuit2. Functional Parts Layout2.1 RXYSQ4 / 5 / 6PBirds-eye viewR6T SUBCOOLING GAS PIPE(CONNECT

SiENBE34-703iv Table of Contents4.5 “MC” Address Duplication, Improper Setting ...1865. Troubleshooting by Indi

SiENBE34-703Function 39Part 5Function1. Operation Mode ...402. Basic

Operation Mode SiENBE34-70340 Function1. Operation Mode(V3152)Operation in stop modeIndoor unit stop or thermostat OFFIndoor unit thermostat ONMalfunc

SiENBE34-703 Basic ControlFunction 412. Basic Control2.1 Normal Operation! Cooling Operation! Heating OperationHHeating operation is not functional at

Basic Control SiENBE34-70342 Function2.2 Compressor PI ControlCompressor PI ControlCarries out the compressor capacity PI control to maintain Te at co

SiENBE34-703 Basic ControlFunction 432.3 Electronic Expansion Valve PI ControlMain Electronic Expansion Valve EV1 ControlCarries out the electronic ex

Basic Control SiENBE34-70344 Function2.4 Cooling Operation Fan ControlIn cooling operation with low outdoor air temperature, this control is used to p

SiENBE34-703 Special ControlFunction 453. Special Control3.1 Startup ControlThis control is used to equalize the pressure in the front and back of the

Special Control SiENBE34-70346 Function3.2 Oil Return OperationIn order to prevent the compressor from running out of oil, the oil return operation is

SiENBE34-703 Special ControlFunction 473.2.2 Oil Return Operation in Heating Operation[Conditions to start]The heating oil-returning operation is star

Special Control SiENBE34-70348 Function3.3 Defrosting OperationThe defrost operation is performed to solve frost on the outdoor unit heat exchanger wh

SiENBE34-703 Introductionv1. Introduction1.1 Safety CautionsCautions and Warnings! Be sure to read the following safety cautions before conducting rep

SiENBE34-703 Special ControlFunction 493.4 Pump-down Residual OperationWhen activating compressor, if the liquid refrigerant remains in the heat-excha

Special Control SiENBE34-70350 Function3.5 Restart StandbyRestart is stood by force to prevent frequent power-on/off and to equalize pressure in the r

SiENBE34-703 Special ControlFunction 513.6 Stopping OperationOperation of the actuator when the system is down, is cleared up.3.6.1 When System is in

Protection Control SiENBE34-70352 Function4. Protection Control4.1 High Pressure Protection ControlThis high pressure protection control is used to pr

SiENBE34-703 Protection ControlFunction 534.2 Low Pressure Protection ControlThis low pressure protection control is used to protect compressors again

Protection Control SiENBE34-70354 Function4.3 Discharge Pipe Protection ControlThis discharge pipe protection control is used to protect the compresso

SiENBE34-703 Protection ControlFunction 554.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are

Other Control SiENBE34-70356 Function5. Other Control5.1 Demand OperationIn order to save the power consumption, the capacity of outdoor unit is saved

SiENBE34-703 Outline of Control (Indoor Unit)Function 576. Outline of Control (Indoor Unit)6.1 Drain Pump Control1. The drain pump is controlled by th

Outline of Control (Indoor Unit) SiENBE34-70358 Function6.1.3 When the Float Switch is Tripped During Heating Operation:During heating operation, if t

Introduction SiENBE34-703vi1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the

SiENBE34-703 Outline of Control (Indoor Unit)Function 596.2 Louver Control for Preventing Ceiling DirtWe have added a control feature that allows you

Outline of Control (Indoor Unit) SiENBE34-70360 Function6.3 Thermostat Sensor in remote controlTemperature is controlled by both the thermostat sensor

SiENBE34-703 Outline of Control (Indoor Unit)Function 61Heating When heating, the hot air rises to the top of the room, resulting in the temperature b

Outline of Control (Indoor Unit) SiENBE34-70362 Function6.4 Freeze PreventionFreeze Prevention by Off Cycle (Indoor Unit)When the temperature detected

SiENBE34-703 Outline of Control (Indoor Unit)Function 636.5 View of Operations of Swing FlapsSwing flaps work as following.FanFlap controlFXFQFXCQFXKQ

Outline of Control (Indoor Unit) SiENBE34-70364 Function6.6 Electronic Expansion Valve Control• Electronic expansion Valve ControlIn cooling, to maxim

SiENBE34-703Test Operation 65Part 6Test Operation1. Test Operation ...

Test Operation SiENBE34-70366 Test Operation1. Test Operation1.1 Procedure and OutlineFollow the following procedure to conduct the initial test opera

SiENBE34-703 Test OperationTest Operation 671.1.3 Check Operation* During check operation, mount front panel to avoid the misjudging.* Check operation

Test Operation SiENBE34-70368 Test Operation1.1.4 Confirmation on Normal Operation• Conduct normal unit operation after the check operation has been c

SiENBE34-703 Introductionvii1.1.3 Inspection after RepairBe sure to use the specified cable to connect between the indoor and outdoor units. Make the

SiENBE34-703 Test OperationTest Operation 691.2 Operation when Power is Turned On1.2.1 When Turning On Power First TimeThe unit cannot be run for up t

Outdoor Unit PC Board Layout SiENBE34-70370 Test Operation2. Outdoor Unit PC Board LayoutOutdoor unit PC boardDIP switches(DS1-1 and DS1-2ResetTe s tR

SiENBE34-703 Field SettingTest Operation 713. Field Setting3.1 Field Setting from remote controlIndividual function of indoor unit can be changed from

Field Setting SiENBE34-70372 Test Operation3.1.2 Wireless remote control - Indoor UnitBRC7C typeBRC7E typeBRC4C type1. When in the normal mode, push t

SiENBE34-703 Field SettingTest Operation 733.1.3 Simplified remote controlBRC2C511. Remove the upper part of remote control.2. When in the normal mode

Field Setting SiENBE34-70374 Test Operation3.1.4 Setting Contents and Code No. – VRV Indoor Unit Notes : 1. Settings are made simultaneously for the e

SiENBE34-703 Field SettingTest Operation 753.1.5 Applicable Range of Field Setting∗1 Static pressure selectionCeiling mounted cassette type Slim Ceili

Field Setting SiENBE34-70376 Test Operation3.1.6 Detailed Explanation of Setting ModesFilter Sign SettingIf switching the filter sign ON time, set as

SiENBE34-703 Field SettingTest Operation 77Auto Restart after Power Failure ResetFor the air conditioners with no setting for the function (same as fa

Field Setting SiENBE34-70378 Test OperationAir Flow Direction SettingSet the air flow direction of indoor units as given in the table below. (Set when

Introduction SiENBE34-703viii1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon

SiENBE34-703 Field SettingTest Operation 79Setting of Air Flow Direction Adjustment RangeMake the following air flow direction setting according to th

Field Setting SiENBE34-70380 Test Operation3.1.7 Centralized Control Group No. SettingBRC1C Type In order to conduct the central remote control using

SiENBE34-703 Field SettingTest Operation 81BRC7C TypeBRC7E TypeBRC4C Type! Group No. setting by infrared remote control for centralized control1. Whe

Field Setting SiENBE34-70382 Test Operation3.1.8 Setting of Operation Control Mode from remote control (Local Setting)The operation control mode is co

SiENBE34-703 Field SettingTest Operation 83How to Select Operation ModeWhether operation by remote control will be possible or not for turning on/off,

Field Setting SiENBE34-70384 Test Operation3.2 Field Setting from Outdoor Unit3.2.1 Setting by Dip SwitchesThe following field settings are made by di

SiENBE34-703 Field SettingTest Operation 85Caution Capacity Setting after changing the main P.C.Board(A1P) to spare parts P.C.B.When you change the ma

Field Setting SiENBE34-70386 Test Operation! Setting by pushbutton switchesThe following settings are made by pushbutton switches on PC board.(Factory

SiENBE34-703 Field SettingTest Operation 87a. “Setting mode 1”This mode is used to set and check the following items.1. Set items ············ In orde

Field Setting SiENBE34-70388 Test OperationThe numbers in the "No." column represent the number of times to press the SET (BS2) button.No. S