Daikin REYQ144MTJU Spezifikationen

REYQ72, 96, 144, 168, 192MTJUR-410A Heat Recovery 60HzREYQ72MTJU REYQ96MTJU REYQ144MTJUSiUS39 - 602REYQ168MTJU REYQ192MTJU

SiUS39-602 Introductionix1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is d

SiUS39-602 Field SettingTest Operation 893.1.8 Setting of Operation Control Mode from Remote Controller (Local Setting)The operation control mode is c

Field Setting SiUS39-60290 Test OperationHow to Select Operation ModeWhether operation by remote controller will be possible or not for turning on/off

SiUS39-602 Field SettingTest Operation 913.2 Field Setting from Outdoor Unit3.2.1 Field Setting from Outdoor UnitSetting by dip switchesThe following

Field Setting SiUS39-60292 Test OperationSetting by pushbutton switchesThe following settings are made by pushbutton switches on PC board.There are t

SiUS39-602 Field SettingTest Operation 93∗ Setting No. 1, 5, 6 are the present status display only.Display for malfunction/preparing/test-runDisplay d

Field Setting SiUS39-60294 Test OperationNo. Setting item Description0EMG (Emergency operation 1)Operates by Standard compressor only when inverter c

SiUS39-602 Field SettingTest Operation 958: ON 7: OFF 9: BlinkNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionL

Field Setting SiUS39-60296 Test Operation8: ON 7: OFF 9: BlinkNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionL

SiUS39-602 Field SettingTest Operation 978: ON 7: OFF 9: BlinkSetting item 0 Display contents of “Number of units for sequential start, and others” No

Field Setting SiUS39-60298 Test OperationPush the SET button and match with the LEDs No. 1 - 15, push the RETURN button, and enter the data for each s

Introduction SiUS39-602x1.2 PREFACEThank you for your continued patronage of Daikin products.This is the new service manual for Daikin's Year 200

SiUS39-602 Field SettingTest Operation 993.2.2 Cool / Heat Mode SwitchingSet Cool/Heat Separately for Each BS Unit by Cool/Heat Selector.Set remote co

Field Setting SiUS39-602100 Test Operation3.2.3 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting the ext

SiUS39-602 Field SettingTest Operation 101Image of operation in the case of AImage of operation in the case of BImage of operation in the case of A an

Field Setting SiUS39-602102 Test OperationSetting of Demand OperationBy connecting the external contact input to the demand input of the outdoor unit

SiUS39-602 Field SettingTest Operation 103Image of operation in the case of AImage of operation in the case of BImage of operation in the case of A an

Field Setting SiUS39-602104 Test OperationDetailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)cIn setting m

SiUS39-602 Field SettingTest Operation 105cdeSetting No.Setting contentsSetting No. indication Setting No. indication Setting contentsSetting contents

Field Setting SiUS39-602106 Test Operation3.2.4 Setting of Refrigerant Additional Charging OperationWhen additional refrigerant is not charged all wit

SiUS39-602 Field SettingTest Operation 107[Operation procedure detail]cAfter turning the respective power supply switch of indoor and outdoor units of

Field Setting SiUS39-602108 Test Operation3.2.6 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expansion val

SiUS39-602General Information 1Part 1General Information1. Model Names of Indoor/Outdoor Units ...22.

SiUS39-602 Field SettingTest Operation 1093.2.8 Power Transistor Check OperationWhen the inverter system malfunctions (malfunction of inverter, INV co

Field Setting SiUS39-602110 Test Operation

SiUS39-602Troubleshooting 111Part 6Troubleshooting1. Troubleshooting by Remote Controller ...1141.1 The IN

SiUS39-602112 Troubleshooting2.27 “J5” Outdoor Unit: Malfunction of Thermistor (R2T) for Suction Pipe ...

SiUS39-602Troubleshooting 1133.4 “MC” Address Duplication, Improper Setting... 1984. Troubleshooting (OP: Sched

Troubleshooting by Remote Controller SiUS39-602114 Troubleshooting1. Troubleshooting by Remote Controller1.1 The INSPECTION / TEST ButtonThe following

SiUS39-602 Troubleshooting by Remote ControllerTroubleshooting 1151.2 Self-diagnosis by Wired Remote ControllerExplanation If operation stops due to m

Troubleshooting by Remote Controller SiUS39-602116 Troubleshooting1.3 Self-diagnosis by Wireless Remote ControllerIn the Case of BRC7C TypeBRC7E TypeB

SiUS39-602 Troubleshooting by Remote ControllerTroubleshooting 117The lower digit of the code changes as shown below when the UP and DOWN buttons are

Troubleshooting by Remote Controller SiUS39-602118 Troubleshooting

Model Names of Indoor/Outdoor Units SiUS39-6022 General Information1. Model Names of Indoor/Outdoor UnitsIndoor UnitsBS UnitsOutdoor Units (Inverter S

SiUS39-602 Troubleshooting by Remote ControllerTroubleshooting 1191.4 Operation of the Remote Controller’s Inspection / Test Operation ButtonInspectio

Troubleshooting by Remote Controller SiUS39-602120 Troubleshooting1.5 Remote Controller Service ModeHow to Enter the Service ModeService Mode Operatio

SiUS39-602 Troubleshooting by Remote ControllerTroubleshooting 121Mode NoFunction Contents and operation method Remote controller display example40Mal

Troubleshooting by Remote Controller SiUS39-602122 Troubleshooting1.6 Remote Controller Self-Diagnosis FunctionThe remote controller switches are equi

SiUS39-602 Troubleshooting by Remote ControllerTroubleshooting 1238: ON 7: OFF 9: BlinkMalfunction codeOperation lamp Inspection displayUnit No. Mal

Troubleshooting by Remote Controller SiUS39-602124 TroubleshootingOutdoor UnitLA 999Malfunction of power unit —LC 999Malfunction of transmission betwe

SiUS39-602 Troubleshooting by Remote ControllerTroubleshooting 125Malfunction code indication by outdoor unit PCB<Selection of setting item><

Troubleshooting by Remote Controller SiUS39-602126 TroubleshootingMalfunction code 2nd digit display section Malfunctionlocation MasterSlave 1Slave 2M

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1272. Troubleshooting by Indication on the Remote Controller2.1“A0” I

Troubleshooting by Indication on the Remote Controller SiUS39-602128 Troubleshooting2.2“A1” Indoor Unit: PC Board DefectRemote Controller DisplayA1App

SiUS39-602 External AppearanceGeneral Information 32. External Appearance2.1 Indoor Units2.2 Outdoor UnitsCeiling mounted cassette type (Multi flow)FX

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1292.3“A3” Indoor Unit: Malfunction of Drain Level Control System (S1

Troubleshooting by Indication on the Remote Controller SiUS39-602130 TroubleshootingTroubleshooting(V2778)CautionBe sure to turn off power switch befo

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1312.4“A6” Indoor Unit: Fan Motor (M1F) Lock, OverloadRemote Controll

Troubleshooting by Indication on the Remote Controller SiUS39-602132 Troubleshooting2.5“A7” Indoor Unit: Malfunction of Swing Flap Motor (MA)Remote Co

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 133TroubleshootingCautionBe sure to turn off power switch before conn

Troubleshooting by Indication on the Remote Controller SiUS39-602134 Troubleshooting2.6“A9” Indoor Unit: Malfunction of Moving Part of Electronic Expa

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 135∗1 Coil check method for the moving part of the electronic expansi

Troubleshooting by Indication on the Remote Controller SiUS39-602136 Troubleshooting2.7“AF” Indoor Unit: Drain Level above LimitRemote Controller Disp

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1372.8“AJ” Indoor Unit: Malfunction of Capacity Determination DeviceR

Troubleshooting by Indication on the Remote Controller SiUS39-602138 Troubleshooting2.9“C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exch

Model Selection SiUS39-6024 General Information3. Model SelectionVRV Heat Recovery SeriesConnectable indoor units number and capacityConnectable indoo

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1392.10“C5” Indoor Unit: Malfunction of Thermistor (R31T, R32T) for G

Troubleshooting by Indication on the Remote Controller SiUS39-602140 Troubleshooting2.11“C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1412.12“CJ” Indoor Unit: Malfunction of Thermostat Sensor in Remote C

Troubleshooting by Indication on the Remote Controller SiUS39-602142 Troubleshooting2.13“E1” Outdoor Unit: PC Board DefectRemote Controller DisplayE1A

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1432.14“E3” Outdoor Unit: Actuation of High Pressure SwitchRemote Con

Troubleshooting by Indication on the Remote Controller SiUS39-602144 Troubleshooting2.15“E4” Outdoor Unit: Actuation of Low Pressure SensorRemote Cont

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1452.16“E5” Compressor Motor Lock (INV Compressor)Remote Controller D

Troubleshooting by Indication on the Remote Controller SiUS39-602146 Troubleshooting2.17“E6” Compressor Motor Overcurrent/Lock (STD Compressor)Remote

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1472.18“E7” Malfunction of Outdoor Unit Fan MotorRemote Controller Di

Troubleshooting by Indication on the Remote Controller SiUS39-602148 TroubleshootingTroubleshootingRefer check 8, 9 and 12 to P.212~213.Check No. 12 C

SiUS39-602Specifications 5Part 2Specifications1. Specifications...

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1492.19“E9” Outdoor Unit: Malfunction of Moving Part of Electronic Ex

Troubleshooting by Indication on the Remote Controller SiUS39-602150 Troubleshooting∗1 Coil check method for the moving part of the electronic expansi

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1512.20“F3” Outdoor Unit: Abnormal Discharge Pipe TemperatureRemote C

Troubleshooting by Indication on the Remote Controller SiUS39-602152 Troubleshooting2.21“F6” Refrigerant OverchargedRemote Controller DisplayF6Applica

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1532.22“H7” Abnormal Outdoor Fan Motor SignalRemote Controller Displa

Troubleshooting by Indication on the Remote Controller SiUS39-602154 Troubleshooting2.23“H9” Outdoor Unit: Malfunction of Thermistor for Outdoor Air (

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1552.24“J2” Current Sensor MalfunctionRemote Controller DisplayJ2Appl

Troubleshooting by Indication on the Remote Controller SiUS39-602156 Troubleshooting2.25“J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1572.26 “J4” Malfunction of Heat Exchanger Gas Pipe Thermistor (R81,

Troubleshooting by Indication on the Remote Controller SiUS39-602158 Troubleshooting2.27“J5” Outdoor Unit: Malfunction of Thermistor (R2T) for Suction

Specifications SiUS39-6026 Specifications1. Specifications1.1 Outdoor UnitsNotes:★1 Indoor temp. : 80°FDB or 67°FWB / outdoor temp. : 95°FDB / Equival

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1592.28“J6” Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor

Troubleshooting by Indication on the Remote Controller SiUS39-602160 Troubleshooting2.29“J7” Malfunction of Receiver Outlet Liquid Pipe Thermistor (R6

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1612.30“J8” Malfunction of Oil Equalizing Pipe Thermistor (R7T)Remote

Troubleshooting by Indication on the Remote Controller SiUS39-602162 Troubleshooting2.31“J9” Malfunction of Sub-cooling Heat Exchanger Gas Pipe Thermi

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1632.32“JA” Outdoor Unit: Malfunction of Discharge Pipe Pressure Sens

Troubleshooting by Indication on the Remote Controller SiUS39-602164 Troubleshooting2.33“JC” Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1652.34“L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempe

Troubleshooting by Indication on the Remote Controller SiUS39-602166 Troubleshooting2.35“L5” Outdoor Unit: Inverter Compressor AbnormalRemote Controll

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1672.36“L8” Outdoor Unit: Inverter Current AbnormalRemote Controller

Troubleshooting by Indication on the Remote Controller SiUS39-602168 Troubleshooting2.37“L9” Outdoor Unit: Inverter Start up ErrorRemote Controller Di

SiUS39-602 SpecificationsSpecifications 7Notes:★1 Indoor temp. : 80°FDB or 67°FWB / outdoor temp. : 95°FDB / Equivalent piping length : 25 ft, level d

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1692.38“LC” Outdoor Unit: Malfunction of Transmission between Inverte

Troubleshooting by Indication on the Remote Controller SiUS39-602170 TroubleshootingTroubleshooting(V2815)CautionBe sure to turn off power switch befo

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1712.39“P1” Outdoor Unit: Inverter Over-Ripple ProtectionRemote Contr

Troubleshooting by Indication on the Remote Controller SiUS39-602172 Troubleshooting2.40“P4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempe

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1732.41“PJ” Outdoor Unit: Faulty Field Setting after Replacing Main P

Troubleshooting by Indication on the Remote Controller SiUS39-602174 Troubleshooting2.42“UO” Outdoor Unit: Low Pressure Drop due to Refrigerant Shorta

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1752.43“U1” Outdoor Unit: Reverse Phase, Open PhaseRemote Controller

Troubleshooting by Indication on the Remote Controller SiUS39-602176 Troubleshooting2.44“U2” Outdoor Unit: Power Supply Insufficient or Instantaneous

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 177Troubleshooting(V2821)Replace K1M.Repair wiring.NONONOTurn on agai

Troubleshooting by Indication on the Remote Controller SiUS39-602178 Troubleshooting2.45“U3” Outdoor Unit: Check Operation not ExecutedRemote Controll

Specifications SiUS39-6028 SpecificationsNotes:★1 Indoor temp. : 80°FDB or 67°FWB / outdoor temp. : 95°FDB / Equivalent piping length : 25 ft, level d

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1792.46“U4” Malfunction of Transmission between Indoor UnitsRemote Co

Troubleshooting by Indication on the Remote Controller SiUS39-602180 TroubleshootingTroubleshooting(V2822)CautionBe sure to turn off power switch befo

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1812.47“U5” Indoor Unit: Malfunction of Transmission between Remote C

Troubleshooting by Indication on the Remote Controller SiUS39-602182 Troubleshooting2.48“U7” Indoor Unit: Malfunction of Transmission between Outdoor

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 183Troubleshooting(V2824)CautionBe sure to turn off power switch befo

Troubleshooting by Indication on the Remote Controller SiUS39-602184 Troubleshooting2.49“U8” Indoor Unit: Malfunction of Transmission between MAIN and

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1852.50“U9” Indoor Units: Malfunction of Transmission between Indoor

Troubleshooting by Indication on the Remote Controller SiUS39-602186 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conn

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1872.51“UA” Improper Combination of Indoor Units and Outdoor Units/In

Troubleshooting by Indication on the Remote Controller SiUS39-602188 Troubleshooting2.52“UC” Address Duplication of Centralized Remote ControllerRemot

SiUS39-602Table of Contents iR-410A Heat Recovery60Hz1. Introduction ...

SiUS39-602 SpecificationsSpecifications 9Notes:★1 Indoor temp. : 80°FDB or 67°FWB / outdoor temp. : 95°FDB / Equivalent piping length : 25 ft, level d

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1892.53“UE” Malfunction of Transmission between Centralized Controlle

Troubleshooting by Indication on the Remote Controller SiUS39-602190 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conn

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1912.54“UF” System is not Set yetRemote Controller DisplayUFApplicabl

Troubleshooting by Indication on the Remote Controller SiUS39-602192 Troubleshooting2.55“UH” Malfunction of System, Refrigerant System Address Undefin

SiUS39-602 Troubleshooting by Indication on the Remote ControllerTroubleshooting 193TroubleshootingCautionBe sure to turn off power switch before conn

Troubleshooting (OP: Central Remote Controller) SiUS39-602194 Troubleshooting3. Troubleshooting (OP: Central Remote Controller)3.1“M1” PC Board Defect

SiUS39-602 Troubleshooting (OP: Central Remote Controller)Troubleshooting 1953.2“M8” Malfunction of Transmission Between Optional Controllers for Cent

Troubleshooting (OP: Central Remote Controller) SiUS39-602196 Troubleshooting3.3“MA” Improper Combination of Optional Controllers for Centralized Cont

SiUS39-602 Troubleshooting (OP: Central Remote Controller)Troubleshooting 197TroubleshootingCautionBe sure to turn off power switch before connect or

Troubleshooting (OP: Central Remote Controller) SiUS39-602198 Troubleshooting3.4“MC” Address Duplication, Improper SettingRemote Controller DisplayMCA

Specifications SiUS39-60210 SpecificationsNotes:★1 Indoor temp. : 80°FDB or 67°FWB / outdoor temp. : 95°FDB / Equivalent piping length : 25 ft, level

SiUS39-602 Troubleshooting (OP: Schedule Timer)Troubleshooting 1994. Troubleshooting (OP: Schedule Timer)4.1“UE” Malfunction of Transmission Between C

Troubleshooting (OP: Schedule Timer) SiUS39-602200 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or disconnect

SiUS39-602 Troubleshooting (OP: Schedule Timer)Troubleshooting 2014.2“M1” PC Board DefectRemote Controller DisplayM1Applicable ModelsSchedule timerMet

Troubleshooting (OP: Schedule Timer) SiUS39-602202 Troubleshooting4.3“M8” Malfunction of Transmission Between Optional Controllers for Centralized Con

SiUS39-602 Troubleshooting (OP: Schedule Timer)Troubleshooting 2034.4“MA” Improper Combination of Optional Controllers for Centralized ControlRemote C

Troubleshooting (OP: Schedule Timer) SiUS39-602204 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or disconnect

SiUS39-602 Troubleshooting (OP: Schedule Timer)Troubleshooting 2054.5“MC” Address Duplication, Improper SettingRemote Controller DisplayMCApplicable M

Troubleshooting (OP: Unified ON/OFF Controller) SiUS39-602206 Troubleshooting5. Troubleshooting (OP: Unified ON/OFF Controller)5.1 Operation Lamp Blin

SiUS39-602 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 207Troubleshooting(V2841)CautionBe sure to turn off power switch before conn

Troubleshooting (OP: Unified ON/OFF Controller) SiUS39-602208 Troubleshooting5.2 Display “Under Centralized Control” Blinks (Repeats Single Blink)Remo

SiUS39-602 SpecificationsSpecifications 111.2 Indoor UnitsCeiling Mounted Cassette Type (Multi-flow) Notes:★1 Nominal cooling capacities are based on

SiUS39-602 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 209TroubleshootingCautionBe sure to turn off power switch before connect or

Troubleshooting (OP: Unified ON/OFF Controller) SiUS39-602210 TroubleshootingNONOCannot be used in combination with a wiring adaptor for electrical ap

SiUS39-602 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 2115.3 Display “Under Centralized Control” Blinks (Repeats Double Blink)Remo

Troubleshooting (OP: Unified ON/OFF Controller) SiUS39-602212 TroubleshootingCheck No. 8 Check on connector of fan motor (Power supply cable)(1) Turn

SiUS39-602 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 213Check No. 12 Check on pulse input of position signal of fan inverter PCB(

Troubleshooting (OP: Unified ON/OFF Controller) SiUS39-602214 Troubleshooting

SiUS39-602Replacement Procedure for INV Compressor, VRV (REYQ72M, 96M) 215Part 7Replacement Procedurefor INV Compressor,VRV (REYQ72M, 96M)1. Replaceme

Replacement Procedure for INV Compressor, VRV (REYQ72M, 96M) SiUS39-602216 Replacement Procedure for INV Compressor, VRV (REYQ72M, 96M)1. Replacement

SiUS39-602Appendix 217Part 8Appendix1. Piping Diagrams...2181.1 Outdoor

Piping Diagrams SiUS39-602218 Appendix1. Piping Diagrams1.1 Outdoor UnitREYQ72M, 96MTJU4D045329A

Specifications SiUS39-60212 SpecificationsCeiling Mounted Cassette Type (Multi-flow)Notes:★1 Nominal cooling capacities are based on the following con

SiUS39-602 Piping DiagramsAppendix 2191.2 Indoor UnitFXFQ 12M / 18M / 24M / 30M / 36MVJUFXSQ 12M / 18M / 24M / 30M / 36M / 48MVJUFXMQ 30M / 36M / 48MV

Piping Diagrams SiUS39-602220 AppendixFXDQRefrigerant pipe connection port diameters 4D043864HModel Gas LiquidFXDQ07M / 09M / 12M / 18MVJU φ1/2 φ1/4F

SiUS39-602 Piping DiagramsAppendix 2211.3 BS UnitBSVQ36MVJUBSVQ60MVJU4D045338

Wiring Diagrams for Reference SiUS39-602222 Appendix2. Wiring Diagrams for Reference2.1 Outdoor UnitREYQ72, 96MTJU3D044892C

SiUS39-602 Wiring Diagrams for ReferenceAppendix 2232.2 Field WiringREYQ72, 96MTJU C:3D050361A

Wiring Diagrams for Reference SiUS39-602224 AppendixREYQ144, 168, 192MTJU C:3D050354A

SiUS39-602 Wiring Diagrams for ReferenceAppendix 2252.3 Indoor UnitFXFQ12M/18M/24M/30M/36MVJUFXDQ07M/09M/12M/18M/24MVJU3D042620B 3D050501A

Wiring Diagrams for Reference SiUS39-602226 AppendixFXSQ12M/18M/24M/30M/36M/48MVJUFXMQ30M/36M/48MVJU3D043177A3D043176A

SiUS39-602 Wiring Diagrams for ReferenceAppendix 227FXAQ07M/09M/12M/18M/24MVJUFXHQ12M/24M/36M3D046039C 3D048116

Wiring Diagrams for Reference SiUS39-602228 AppendixFXLQ12M/18M/24MVJUFXNQ12M/18M/24MVJU 3D045644A

SiUS39-602 SpecificationsSpecifications 13Slim Ceiling Mounted Duct TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Ret

SiUS39-602 Wiring Diagrams for ReferenceAppendix 2292.4 BS UnitBSVQ36M / 60MVJU3D045069A

List of Electrical and Functional Parts SiUS39-602230 Appendix3. List of Electrical and Functional Parts3.1 Outdoor Unit3.1.1 REYQ72M, 96MTJUItem Name

SiUS39-602 List of Electrical and Functional PartsAppendix 2313.2 Indoor Side3.2.1 Indoor UnitParts Name SymbolModelRemarkFXFQ12MVJUFXFQ18MVJUFXFQ24MV

List of Electrical and Functional Parts SiUS39-602232 AppendixParts NameSymbolModelRemarkFXSQ12MVJUFXSQ18MVJUFXSQ24MVJUFXSQ30MVJUFXSQ36MVJUFXSQ48MVJUR

SiUS39-602 List of Electrical and Functional PartsAppendix 233Parts NameSymbolModelRemarkFXAQ07MVJUFXAQ09MVJUFXAQ12MVJUFXAQ18MVJUFXAQ24MVJURemoteContr

Option List SiUS39-602234 Appendix4. Option List4.1 Option List of ControllersOptional Accessories of Operation Control SystemC:3D043022DNotes:1.Insta

SiUS39-602 Option ListAppendix 2354.2 Option Lists (Outdoor Unit)4D045331BSeriesINVERTER “M” SERIES (Heat Recovery Type)ModelsOptionalaccessoriesREYQ7

Example of Connection (R-410A Type) SiUS39-602236 Appendix5. Example of Connection (R-410A Type)5.1 Heat Recovery SystemUse of the particular branch f

SiUS39-602 Example of Connection (R-410A Type)Appendix 2375.2 Example of connectionOne outdoor unit installedBranch with REFNET jointBranch with REFNE

Example of Connection (R-410A Type) SiUS39-602238 Appendix

Specifications SiUS39-60214 SpecificationsSlim Ceiling Mounted Duct TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Ret

SiUS39-602 Thermistor Resistance / Temperature CharacteristicsAppendix 2396. Thermistor Resistance / Temperature CharacteristicsIndoor unit For air su

Thermistor Resistance / Temperature Characteristics SiUS39-602240 AppendixOutdoor Unit Thermistors for Discharge Pipe (R31T, 32T)T°F T°C kΩT°F T°C kΩT

SiUS39-602 Pressure SensorAppendix 2417. Pressure SensorHigh Pressure (PH)Low Pressure (PL)PH : Detected Pressure [High Side] PL : Detected Pressure [

Method of Replacing The Inverter’s Power Transistors and Diode Modules SiUS39-602242 Appendix8. Method of Replacing The Inverter’s Power Transistors a

SiUS39-602 Method of Replacing The Inverter’s Power Transistors and Diode ModulesAppendix 243Power Transistor IGBT (On Inverter PC Board)(Decision) If

Method of Replacing The Inverter’s Power Transistors and Diode Modules SiUS39-602244 Appendix

SiUS39-602Precautions for New Refrigerant (R-410A) 245Part 9Precautions for NewRefrigerant (R-410A)1. Precautions for New Refrigerant (R-410A) ...

Precautions for New Refrigerant (R-410A) SiUS39-602246 Precautions for New Refrigerant (R-410A)1. Precautions for New Refrigerant (R-410A)1.1 Outline1

SiUS39-602 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 247Thermodynamic characteristic of R-410ATemperature( )St

Precautions for New Refrigerant (R-410A) SiUS39-602248 Precautions for New Refrigerant (R-410A)1.2 Service ToolsR-410A is used under higher working pr

SiUS39-602 SpecificationsSpecifications 15Ceiling Mounted Built-in TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Retu

SiUS39-602 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2491. Flaring toolSpecifications2 Dimension ADifferences

Precautions for New Refrigerant (R-410A) SiUS39-602250 Precautions for New Refrigerant (R-410A)2. Torque wrenchSpecifications2 Dimension B Unit:mmNo

SiUS39-602 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2514. Leak testerSpecifications2 Hydrogen detecting type,

Precautions for New Refrigerant (R-410A) SiUS39-602252 Precautions for New Refrigerant (R-410A)2 1/4" → 5/16" (2min → 2.5min)2 No oil is use

SiUS39-602 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 253Regarding purchasing of service tools, please contact f

Precautions for New Refrigerant (R-410A) SiUS39-602254 Precautions for New Refrigerant (R-410A)

SiUS39-602Index iIndexSymbols“E7”Malfunction of Outdoor Unit Fan Motor ... 147“F6”Refrigerant Overcharged ... 152“H7

SiUS39-602ii IndexDetailed Explanation of Setting Modes ... 83Discharge Pipe Protection Control ... 61Display “Un

SiUS39-602Index iiiMalfunction of Transmission between Inverter and Control PC Board ... 169MC ...

SiUS39-602iv Index

Specifications SiUS39-60216 SpecificationsCeiling Mounted Built-in TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Retu

SiUS39-602Drawings & Flow Charts vDrawings & Flow ChartsSymbols“E7”Malfunction of Outdoor Unit Fan Motor ... 147“F6”Refrigerant Overchar

SiUS39-602vi Drawings & Flow ChartsGGauge manifold for R-410A ... 251HHow to Enter the Service Mode ...

SiUS39-602Drawings & Flow Charts viiVVacuum pump with check valve ... 250WWeigher for refrigerant charge ...

This book is made of recycled paper.SiUS39-602Printed in U.S.A. 10/2006 AK1645 Wallace Drive, Suite 110Carrollton, [email protected]

SiUS39-602 SpecificationsSpecifications 17Ceiling Mounted Duct TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Return a

Specifications SiUS39-60218 SpecificationsCeiling Suspended TypeNotes: ★1 Nominal cooling capacities are based on the following conditions: Return air

SiUS39-602ii Table of Contents3.2 Oil Return Operation ... 503.3 Defrosting

SiUS39-602 SpecificationsSpecifications 19Wall Mounted TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Return air tempe

Specifications SiUS39-60220 SpecificationsWall Mounted TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Return air tempe

SiUS39-602 SpecificationsSpecifications 21Floor Standing TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Return air tem

Specifications SiUS39-60222 SpecificationsConcealed Floor Standing TypeNotes:★1 Nominal cooling capacities are based on the following conditions: Retu

SiUS39-602 SpecificationsSpecifications 231.3 BS UnitsNotes:★1 If the total capacity of all indoor units connected to the system is less than 24,000 B

Specifications SiUS39-60224 Specifications

SiUS39-602Refirgerant Circuit 25Part 3Refrigerant Circuit1. Refrigerant Circuit ...

Refrigerant Circuit SiUS39-60226 Refirgerant Circuit1. Refrigerant Circuit1.1 REYQ72M, 96MNo. in refrigerant system diagramSymbol Name Major FunctionA

SiUS39-602 Refrigerant CircuitRefirgerant Circuit 27REYQ72M, 96MVFE10O PD1KMJGWLZNHQTSARIBYX49327114D045329A

Refrigerant Circuit SiUS39-60228 Refirgerant Circuit1.2 BSVQ36, 60MNo. Symbol Name Major functionA Y1S Solenoid valve (20RT) Used to sub-cool the liqu

SiUS39-602Table of Contents iii2.6 “A9” Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (20E)...

SiUS39-602 Functional Parts LayoutRefirgerant Circuit 292. Functional Parts Layout2.1 REYQ72M, 96M2.1.1 Functional Parts Layout (Solenoid Valve etc.)P

Functional Parts Layout SiUS39-60230 Refirgerant Circuit2.1.2 Sensor, Pressure Switch RelatingPlanFront ViewThermistor (Receiver outlet liquid pipe)R6

SiUS39-602 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 313. Refrigerant Flow for Each Operation ModeCooling OperationIndoor unit (Ther

Refrigerant Flow for Each Operation Mode SiUS39-60232 Refirgerant CircuitSimultaneous Cooling/Heating Operation-MODE AIndoor unit (Thermostat "ON

SiUS39-602 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 33Simultaneous Cooling/Heating Operation-MODE BIndoor unit (Thermostat "ON

Refrigerant Flow for Each Operation Mode SiUS39-60234 Refirgerant CircuitHeating or Simultaneous Cooling/Heating Operation-MODE C (In case there are i

SiUS39-602 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 35Heating or Simultaneous Cooling/Heating Operation-MODE C (In case there are i

Refrigerant Flow for Each Operation Mode SiUS39-60236 Refirgerant CircuitOil Return or Defrost OperationIndoor unit (Thermostat "ON")Fan OFF

SiUS39-602Function 37Part 4Function1. Function General ...381.1 Symbol

Function General SiUS39-60238 Function1. Function General1.1 SymbolSymbol Electric symbol Name and function20S1 (Y1R) Fore way changeover valve (Main)

SiUS39-602iv Table of Contents2.41 “PJ” Outdoor Unit: Faulty Field Setting after Replacing Main PC Board or Faulty Combination of PC Board...

SiUS39-602 Function GeneralFunction 391.2 Operation ModeOperation instop modePressureequalizationprior to startupStartup control• Cooling startupcontr

Basic Control SiUS39-60240 Function2. Basic Control2.1 Normal OperationCooling Operation In heating operation, or heating / cooling operation★Heatin

SiUS39-602 Basic ControlFunction 412.2 Compressor PI ControlCompressor PI ControlCarries out the compressor capacity PI control to maintain Te at cons

Basic Control SiUS39-60242 FunctionCompressor Operating PriorityINV: Inverter compressorSTD1: Standard compressor 1Each compressor operates in the fo

SiUS39-602 Basic ControlFunction 43Compressor Operating PriorityINV: Inverter compressorSTD1: Standard compressor 1Each compressor operates in the fo

Basic Control SiUS39-60244 FunctionCompressor Operating PriorityINV: Inverter compressorSTD1: Standard compressor 1Each compressor operates in the fo

SiUS39-602 Basic ControlFunction 452.3 Electronic Expansion Valve PI ControlMain Motorized Valve EV1 Control, Sub Motorized Valve EV2 ControlCarries o

Basic Control SiUS39-60246 Function2.4 Cooling Operation Fan ControlIn cooling operation with low outdoor air temperature, this control is used to pro

SiUS39-602 Basic ControlFunction 472.5 Heat Exchange Mode in Heating Operation or Simultaneous Cooling / Heating OperationIn heating or simultaneous c

Special Control SiUS39-60248 Function3. Special Control3.1 Startup ControlThis startup control is used to provide the following control to reduce the

SiUS39-602Table of Contents vPart 7 Replacement Procedure for INV Compressor,VRV (REYQ72M, 96M)... 21

SiUS39-602 Special ControlFunction 493.1.2 Startup Control in Heating OperationNote: ON at starting immediately after power is on.ActuatorPressure equ

Special Control SiUS39-60250 Function3.2 Oil Return OperationIn order to prevent the running-out of refrigerating machine oil in the compressor, the o

SiUS39-602 Special ControlFunction 513.2.2 Oil Return Operation in Heating Operation[Starting conditions]Start oil return operation in heating operati

Special Control SiUS39-60252 Function3.3 Defrosting OperationIn order to melt the frost accumulated on the heat exchanger during heating operation,Def

SiUS39-602 Special ControlFunction 533.4 Pressure Equalizing ControlThis pressure equalization control is used to equalize the pressure of discharge p

Special Control SiUS39-60254 Function3.5 Pump-down Residual OperationIf any liquid refrigerant remains in the heat exchanger during compressor startup

SiUS39-602 Special ControlFunction 553.5.2 Pump-down Residual Operation in Heating OperationNote 1. Hold: maintain the previous position (mode) before

Special Control SiUS39-60256 Function3.6 Restart StandbyForced standby is performed to prevent frequent repetition of ON/OFF of the compressor, and to

SiUS39-602 Special ControlFunction 573.7 Stopping OperationThis operation is used to define the operation of the actuator while the system stops.3.7.1

Special Control SiUS39-60258 Function3.7.2 Stopping Operation of Slave Units During Master Unit is in Operation With Multi-Outdoor-Unit SystemIn cooli

Introduction SiUS39-602vi1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repai

SiUS39-602 Protection ControlFunction 594. Protection Control4.1 High Pressure Protection ControlThis high pressure protection control is used to prev

Protection Control SiUS39-60260 Function4.2 Low Pressure Protection ControlThis low pressure protection control is used to protect compressors against

SiUS39-602 Protection ControlFunction 614.3 Discharge Pipe Protection ControlThis discharge pipe protection control is used to protect the compressor

Protection Control SiUS39-60262 Function4.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are pe

SiUS39-602 Protection ControlFunction 634.5 STD Compressor Overload ProtectionThis control is used to prevent abnormal heating due to overcurrent to t

Other Control SiUS39-60264 Function5. Other Control5.1 Outdoor Unit RotationIn the case of multi-outdoor-unit system, this outdoor unit rotation is us

SiUS39-602 Other ControlFunction 655.2 Emergency OperationIf the compressor cannot operate, this control inhibits any applicable compressor or outdoor

Other Control SiUS39-60266 Function5.2.3 In The Case of Multi-Outdoor-Unit System (REYQ144, 168, 192MTJU)Automatic backup operationWith multi-outdoor-

SiUS39-602 Other ControlFunction 675.3 Demand OperationIn order to save the power consumption, the capacity of outdoor unit is saved with control forc

Outline of Control (Indoor Unit) SiUS39-60268 Function6. Outline of Control (Indoor Unit)6.1 Drain Pump Control1. The drain pump is controlled by the

SiUS39-602 Introductionvii1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the e

SiUS39-602 Outline of Control (Indoor Unit)Function 696.1.3 When the Float Switch is Tripped During Heating Operation:During heating operation, if the

Outline of Control (Indoor Unit) SiUS39-60270 Function6.2 Thermostat Sensor in Remote ControllerTemperature is controlled by both the thermostat senso

SiUS39-602 Outline of Control (Indoor Unit)Function 71Heating When heating, the hot air rises to the top of the room, resulting in the temperature bei

Outline of Control (Indoor Unit) SiUS39-60272 Function6.3 Freeze PreventionFreeze Prevention by Off Cycle (Indoor Unit)When the temperature detected b

SiUS39-602Test Operation 73Part 5Test Operation1. Test Operation ...

Test Operation SiUS39-60274 Test Operation1. Test Operation1.1 Procedure and OutlineFollow the following procedure to conduct the initial test operati

SiUS39-602 Test OperationTest Operation 751.1.3 Check Operation* During check operation, mount front panel to avoid the misjudging.* Check operation i

Test Operation SiUS39-60276 Test OperationMalfunction codeIn case of an alarm code displayed on remote controller:1.1.4 Confirmation on Normal Operati

SiUS39-602 Test OperationTest Operation 771.2 Operation When Power is Turned On1.2.1 When Turning On Power First TimeThe unit cannot be run for up to

Outdoor Unit PC Board Layout SiUS39-60278 Test Operation2. Outdoor Unit PC Board LayoutOutdoor unit PC boardBS1MODE SET RETURN TEST RESETBS2 BS3 BS4 B

Introduction SiUS39-602viii1.1.3 Inspection after RepairBe sure to use an exclusive power circuit for the equipment, and follow the technical standard

SiUS39-602 Field SettingTest Operation 793. Field Setting3.1 Field Setting from Remote ControllerIndividual function of indoor unit can be changed fro

Field Setting SiUS39-60280 Test Operation3.1.2 Wireless Remote Controller - Indoor UnitBRC7C812BRC4C82BRC7E818BRC7E831. When in the normal mode, push

SiUS39-602 Field SettingTest Operation 813.1.3 Simplified Remote ControllerBRC2A71Group No. setting by simplified remote controller.1. Remove the cov

Field Setting SiUS39-60282 Test Operation3.1.4 Setting Contents and Code No. – VRV Unit Note: 1. Settings are made simultaneously for the entire group

SiUS39-602 Field SettingTest Operation 833.1.5 Applicable Range of Field Setting∗1. Static pressure selection3.1.6 Detailed Explanation of Setting Mod

Field Setting SiUS39-60284 Test OperationExternal ON/OFF inputThis input is used for "ON / OFF operation" and "Protection device input&

SiUS39-602 Field SettingTest Operation 85Air Flow Adjustment - Ceiling heightMake the following setting according to the ceiling height. The setting p

Field Setting SiUS39-60286 Test Operation3.1.7 Centralized Control Group No. SettingBRC1C TypeIf carrying out centralized control by central remote c

SiUS39-602 Field SettingTest Operation 87BRC7C TypeBRC4C TypeBRC7E TypeGroup No. setting by wireless remote controller for centralized control1. Whe

Field Setting SiUS39-60288 Test OperationGroup No. Setting ExampleCaution When turning the power supply on, the unit may often not accept any operatio