Daikin BRC7E65 Spezifikationen Seite 1

Si38 - 606R-22 Single Outdoor Unit SeriesCooling Only

Si38-606 Introductionix1.2 PREFACEThank you for your continued patronage of Daikin products.This is the new service manual for Daikin's Year 2006

Si38-606 Field SettingTest Operation 89a. “Setting mode 1”This mode is used to check the following items.1. Check items ······· The following items ca

Field Setting Si38-60690 Test OperationNo. Setting item Description0EMG (Emergency operation 1)Operates by Standard compressor only when inverter com

Si38-606 Field SettingTest Operation 91No.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PIND

Field Setting Si38-60692 Test OperationNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PIND

Si38-606 Field SettingTest Operation 93Setting item 0 Display contents of “Number of units for sequential start, and others” No. Setting itemLED displ

Field Setting Si38-60694 Test OperationPush the SET button and match with the LEDs No. 1 - 15, push the RETURN button, and enter the data for each set

Si38-606 Field SettingTest Operation 953.2.2 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting the extern

Field Setting Si38-60696 Test OperationSetting of Demand OperationBy connecting the external contact input to the demand input of the outdoor unit ext

Si38-606 Field SettingTest Operation 97Detailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)cIn setting mode

Field Setting Si38-60698 Test Operation{: ON z: OFF 9: BlinkcdeSetting No.Setting contentsSetting No. indication Setting No. indication Setting

Introduction Si38-606x

Si38-606 Field SettingTest Operation 993.2.3 Setting of Refrigerant Additional Charging OperationWhen additional refrigerant is not charged all with o

Field Setting Si38-606100 Test Operation[Operation procedure detail]cAfter turning the respective remote switch of indoor and outdoor units off and ch

Si38-606 Field SettingTest Operation 1013.2.5 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expansion valve

Field Setting Si38-606102 Test Operation

Si38-606Troubleshooting 103Part 6Troubleshooting1. Troubleshooting by Remote Controller ...1051.1 The INSP

Si38-606104 Troubleshooting2.31 “L4” Outdoor Unit: Malfunction of Inverter Radiating FinTemperature Rise...

Si38-606 Troubleshooting by Remote ControllerTroubleshooting 1051. Troubleshooting by Remote Controller1.1 The INSPECTION / TEST ButtonThe following m

Troubleshooting by Remote Controller Si38-606106 Troubleshooting1.2 Self-diagnosis by Wired Remote Controller Explanation If operation stops due to ma

Si38-606 Troubleshooting by Remote ControllerTroubleshooting 1071.3 Self-diagnosis by Wireless Remote ControllerIn the Case of BRC7C TypeBRC7E TypeBRC

Troubleshooting by Remote Controller Si38-606108 TroubleshootingThe lower digit of the code changes as shown below when the UP and DOWN buttons are p

Si38-606General Information 1Part 1General Information1. Model Names of Indoor/Outdoor Units...22. Ex

Si38-606 Troubleshooting by Remote ControllerTroubleshooting 109

Troubleshooting by Remote Controller Si38-606110 Troubleshooting1.4 Operation of the Remote Controller’s Inspection / Test Operation ButtonInspection/

Si38-606 Troubleshooting by Remote ControllerTroubleshooting 1111.5 Remote Controller Service ModeHow to Enter the Service ModeService Mode Operation

Troubleshooting by Remote Controller Si38-606112 TroubleshootingMode NoFunction Contents and operation method Remote controller display example40Malfu

Si38-606 Troubleshooting by Remote ControllerTroubleshooting 1131.6 Remote Controller Self-Diagnosis FunctionThe remote controller switches are equipp

Troubleshooting by Remote Controller Si38-606114 TroubleshootingMalfunction codeOperation lamp Inspection displayUnit No. Malfunction contents Page Re

Si38-606 Troubleshooting by Remote ControllerTroubleshooting 115Outdoor UnitLA 999Malfunction of power unit —LC 999Malfunction of transmission between

Troubleshooting by Remote Controller Si38-606116 TroubleshootingMalfunction code indication by outdoor unit PC board<Selection of setting item>&

Si38-606 Troubleshooting by Remote ControllerTroubleshooting 117...

Troubleshooting by Indication on the Remote Controller Si38-606118 Troubleshooting2. Troubleshooting by Indication on the Remote Controller2.1“A0” Ind

Model Names of Indoor/Outdoor Units Si38-6062 General Information1. Model Names of Indoor/Outdoor UnitsIndoor UnitsNote: FXD has following 2 Series, a

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1192.2“A1” Indoor Unit: PC Board DefectRemote Controller DisplayA1Appli

Troubleshooting by Indication on the Remote Controller Si38-606120 Troubleshooting2.3“A3” Indoor Unit: Malfunction of Drain Level Control System (S1L,

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 121Troubleshooting(V2778)CautionBe sure to turn off power switch before

Troubleshooting by Indication on the Remote Controller Si38-606122 Troubleshooting2.4“A6” Indoor Unit: Fan Motor (M1F) Lock, OverloadRemote Controller

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1232.5“A7” Indoor Unit: Malfunction of Swing Flap Motor (MA)Remote Cont

Troubleshooting by Indication on the Remote Controller Si38-606124 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1252.6“A9” Indoor Unit: Malfunction of Moving Part of Electronic Expans

Troubleshooting by Indication on the Remote Controller Si38-606126 Troubleshooting∗1: Coil check method for the moving part of the electronic expansio

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1272.7“AF” Indoor Unit: Drain Level above LimitRemote Controller Displa

Troubleshooting by Indication on the Remote Controller Si38-606128 Troubleshooting2.8“AJ” Indoor Unit: Malfunction of Capacity Determination DeviceRem

Si38-606 External AppearanceGeneral Information 32. External Appearance2.1 Indoor UnitsCeiling mounted cassette type (Double flow)FXC20LFXC25LFXC32LFX

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1292.9“C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchan

Troubleshooting by Indication on the Remote Controller Si38-606130 Troubleshooting2.10“C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas PipesR

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1312.11“C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Ai

Troubleshooting by Indication on the Remote Controller Si38-606132 Troubleshooting2.12“CJ” Indoor Unit: Malfunction of Thermostat Sensor in Remote Con

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1332.13“E1” Outdoor Unit: PC Board DefectRemote Controller DisplayE1App

Troubleshooting by Indication on the Remote Controller Si38-606134 Troubleshooting2.14“E3” Outdoor Unit: Actuation of High Pressure SwitchRemote Contr

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1352.15“E4” Outdoor Unit: Actuation of Low Pressure SensorRemote Contro

Troubleshooting by Indication on the Remote Controller Si38-606136 Troubleshooting2.16“E5” Compressor Motor LockRemote Controller DisplayE5Applicable

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1372.17“E6” Standard Compressor Motor Overcurrent/LockRemote Controller

Troubleshooting by Indication on the Remote Controller Si38-606138 Troubleshooting2.18“E7” Malfunction of Outdoor Unit Fan MotorRemote Controller Disp

External Appearance Si38-6064 General Information2.2 Outdoor UnitsRXM 8M RXM 10M8HP 10HP

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 139TroubleshootingNote: Refer check 8, 9 and 12 to P.199~200.Check No.

Troubleshooting by Indication on the Remote Controller Si38-606140 Troubleshooting2.19“E9” Outdoor Unit: Malfunction of Moving Part of Electronic Expa

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 141∗1: Coil check method for the moving part of the electronic expansio

Troubleshooting by Indication on the Remote Controller Si38-606142 Troubleshooting2.20“F3” Outdoor Unit: Abnormal Discharge Pipe TemperatureRemote Con

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1432.21“F6” Refrigerant OverchargedRemote Controller DisplayF6Applicabl

Troubleshooting by Indication on the Remote Controller Si38-606144 Troubleshooting2.22“H7” Abnormal Outdoor Fan Motor SignalRemote Controller DisplayH

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1452.23“H9” Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1

Troubleshooting by Indication on the Remote Controller Si38-606146 Troubleshooting2.24“J2” Current Sensor MalfunctionRemote Controller DisplayJ2Applic

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1472.25“J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31

Troubleshooting by Indication on the Remote Controller Si38-606148 Troubleshooting2.26“J5” Outdoor Unit: Malfunction of Thermistor (R2T) for Suction P

Si38-606 Capacity RangeGeneral Information 53. Capacity RangeOutdoor UnitsIndoor UnitsCapacity Range 8HP 10HPRXM 8M 10MNo of Indoor Units to be Connec

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1492.27“J6” Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor U

Troubleshooting by Indication on the Remote Controller Si38-606150 Troubleshooting2.28“J9” Malfunction of Receiver Gas Pipe Thermistor (R5T)Remote Con

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1512.29“JA” Outdoor Unit: Malfunction of High Pressure SensorRemote Con

Troubleshooting by Indication on the Remote Controller Si38-606152 Troubleshooting2.30“JC” Outdoor Unit: Malfunction of Low Pressure SensorRemote Cont

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1532.31“L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempera

Troubleshooting by Indication on the Remote Controller Si38-606154 Troubleshooting2.32“L5” Outdoor Unit: Inverter Compressor AbnormalRemote Controller

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1552.33“L8” Outdoor Unit: Inverter Current AbnormalRemote Controller Di

Troubleshooting by Indication on the Remote Controller Si38-606156 Troubleshooting2.34“L9” Outdoor Unit: Inverter Start up ErrorRemote Controller Disp

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1572.35“LC” Outdoor Unit: Malfunction of Transmission between Inverter

Troubleshooting by Indication on the Remote Controller Si38-606158 TroubleshootingTroubleshooting(V2815)CautionBe sure to turn off power switch before

Capacity Range Si38-6066 General Information

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1592.36“P1” Outdoor Unit: Inverter Over-Ripple ProtectionRemote Control

Troubleshooting by Indication on the Remote Controller Si38-606160 Troubleshooting2.37“P4” Outdoor Unit: Malfunction of Inverter Radiating Fin Temper

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1612.38“PJ” Outdoor Unit: Faulty Field Setting after Replacing Main PC

Troubleshooting by Indication on the Remote Controller Si38-606162 Troubleshooting2.39“UO” Low Pressure Drop Due to Refrigerant Shortage or Electronic

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1632.40“U1” Reverse Phase, Open PhaseRemote Controller DisplayU1Applica

Troubleshooting by Indication on the Remote Controller Si38-606164 Troubleshooting2.41“U2” Power Supply Insufficient or Instantaneous FailureRemote Co

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 165Troubleshooting(V2821)Replace K1M.Repair wiring.NONONOTurn on again.

Troubleshooting by Indication on the Remote Controller Si38-606166 Troubleshooting2.42“U3” Check Operation not ExecutedRemote Controller DisplayU3Appl

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1672.43“U4” Malfunction of Transmission between Indoor UnitsRemote Cont

Troubleshooting by Indication on the Remote Controller Si38-606168 TroubleshootingTroubleshooting(V2822)CautionBe sure to turn off power switch before

Si38-606Specifications 7Part 2Specifications1. Specifications ...

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1692.44“U5” Malfunction of Transmission between Remote Controller and I

Troubleshooting by Indication on the Remote Controller Si38-606170 Troubleshooting2.45“U7” Malfunction of Transmission between Outdoor UnitsRemote Con

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 171Troubleshooting(V2824)CautionBe sure to turn off power switch before

Troubleshooting by Indication on the Remote Controller Si38-606172 Troubleshooting2.46“U8” Malfunction of Transmission between MAIN and SUB Remote Con

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1732.47“U9” Malfunction of Transmission between Indoor and Outdoor Unit

Troubleshooting by Indication on the Remote Controller Si38-606174 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1752.48“UA” Excessive Number of Indoor UnitsRemote Controller DisplayUA

Troubleshooting by Indication on the Remote Controller Si38-606176 Troubleshooting2.49“UC” Address Duplication of Centralized Remote ControllerRemote

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1772.50“UE” Malfunction of Transmission between Centralized Remote Cont

Troubleshooting by Indication on the Remote Controller Si38-606178 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Specifications Si38-6068 Specifications1. Specifications1.1 Outdoor UnitsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalen

Si38-606 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1792.51“UF” Refrigerant System not Set, Incompatible Wiring/PipingRemot

Troubleshooting by Indication on the Remote Controller Si38-606180 Troubleshooting2.52“UH” Malfunction of System, Refrigerant System Address Undefined

Si38-606 Troubleshooting (OP: Central Remote Controller)Troubleshooting 1813. Troubleshooting (OP: Central Remote Controller)3.1“M1” PC Board DefectRe

Troubleshooting (OP: Central Remote Controller) Si38-606182 Troubleshooting3.2“M8” Malfunction of Transmission between Optional Controllers for Centra

Si38-606 Troubleshooting (OP: Central Remote Controller)Troubleshooting 1833.3“MA” Improper Combination of Optional Controllers for Centralized Contro

Troubleshooting (OP: Central Remote Controller) Si38-606184 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or di

Si38-606 Troubleshooting (OP: Central Remote Controller)Troubleshooting 1853.4“MC” Address Duplication, Improper SettingRemote Controller DisplayMCApp

Troubleshooting (OP: Schedule Timer) Si38-606186 Troubleshooting4. Troubleshooting (OP: Schedule Timer)4.1“UE” Malfunction of Transmission between Cen

Si38-606 Troubleshooting (OP: Schedule Timer)Troubleshooting 187TroubleshootingCautionBe sure to turn off power switch before connect or disconnect co

Troubleshooting (OP: Schedule Timer) Si38-606188 Troubleshooting4.2“M1” PC Board DefectRemote Controller DisplayM1Applicable ModelsSchedule timerMetho

Si38-606Table of Contents iR-22 Cooling OnlyR-22 Cooling Only ... i1. Introductio

Si38-606 SpecificationsSpecifications 91.2 Indoor UnitsCeiling Mounted Cassette Type (Double-flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor t

Si38-606 Troubleshooting (OP: Schedule Timer)Troubleshooting 1894.3“M8” Malfunction of Transmission between Optional Controllers for Centralized Contr

Troubleshooting (OP: Schedule Timer) Si38-606190 Troubleshooting4.4“MA” Improper Combination of Optional Controllers for Centralized ControlRemote Con

Si38-606 Troubleshooting (OP: Schedule Timer)Troubleshooting 191TroubleshootingCautionBe sure to turn off power switch before connect or disconnect co

Troubleshooting (OP: Schedule Timer) Si38-606192 Troubleshooting4.5“MC” Address Duplication, Improper SettingRemote Controller DisplayMCApplicable Mod

Si38-606 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 1935. Troubleshooting (OP: Unified ON/OFF Controller)5.1 Operation Lamp Blinks

Troubleshooting (OP: Unified ON/OFF Controller) Si38-606194 TroubleshootingTroubleshooting(V2841)CautionBe sure to turn off power switch before connec

Si38-606 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 1955.2 Display “Under Centralized Control” Blinks (Repeats Single Blink)Remote

Troubleshooting (OP: Unified ON/OFF Controller) Si38-606196 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or di

Si38-606 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 197NOSchedule timer and parallel interface cannot be used in combination. Disc

Troubleshooting (OP: Unified ON/OFF Controller) Si38-606198 Troubleshooting5.3 Display “Under Centralized Control” Blinks (Repeats Double Blink)Remote

Specifications Si38-60610 SpecificationsCeiling Mounted Cassette Type (Double-flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si38-606 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 199Check No. 8 Check on connector of fan motor (Power supply cable)(1) Turn of

Troubleshooting (OP: Unified ON/OFF Controller) Si38-606200 TroubleshootingCheck No. 12 Check on pulse input of position signal of fan inverter PC boa

Si38-606Appendix 201Part 7Appendix1. Piping Diagrams ...2021.1 Outdoor U

Piping Diagrams Si38-606202 Appendix1. Piping Diagrams1.1 Outdoor Unit1.1.1 Cooling OnlyRXM8M / 10MY1C:4D041809AMuffler

Si38-606 Piping DiagramsAppendix 2031.2 Indoor UnitFXC, FXF, FXK, FXD, FXYD, FXS, FXYB, FXM, FXH, FXA, FXL, FXNR1T : Thermistor for suction air temper

Wiring Diagrams Si38-606204 Appendix2. Wiring Diagrams2.1 Outdoor unit2.1.1 Cooling OnlyRXM8M / 10MY13D052970

Si38-606 Wiring DiagramsAppendix 2052.2 Field Wiring2.2.1 50HzRXM8M / 10MY13D040746K

Wiring Diagrams Si38-606206 Appendix2.3 Indoor UnitFXC20L / 25L / 32L / 63LVE3D034120A

Si38-606 Wiring DiagramsAppendix 207FXC40L / 50L / 80L / 125LVE 3D034121

Wiring Diagrams Si38-606208 AppendixFXF25L / 32L / 40L / 50L / 63L / 80L / 100L / 125LVE3D033829A

Si38-606 SpecificationsSpecifications 11Ceiling Mounted Cassette Type (Multi-flow) Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si38-606 Wiring DiagramsAppendix 209FXK25L / 32L / 40L / 63LVE 3D035466A

Wiring Diagrams Si38-606210 AppendixFXD20P / 25P / 32PVE (with Drain Pump)FXD20M / 25M / 32M / 40M / 50M / 63MVE (with Drain Pump)3D044122H

Si38-606 Wiring DiagramsAppendix 211FXD20P / 25P / 32P (without Drain Pump)FXD20M / 25M / 32M / 40M / 50M / 63MVET (without Drain Pump) 3D049605B

Wiring Diagrams Si38-606212 AppendixFXYD20KA / 25KA / 32KA / 40KA / 50KA / 63KAVE3D024108A

Si38-606 Wiring DiagramsAppendix 213FXS20L / 25L / 32L / 40L / 50L / 63L / 80L / 100L / 125LVE3D035467

Wiring Diagrams Si38-606214 AppendixFXYB20K / 25K / 32K / 40K / 50K / 63K / 80K / 100K / 125KV13D037591C

Si38-606 Wiring DiagramsAppendix 215FXM40L / 50L / 63L / 80L / 100L / 125LVE3D034209A

Wiring Diagrams Si38-606216 AppendixFXM200L / 250LVE3D034363

Si38-606 Wiring DiagramsAppendix 217FXH32L / 63L / 100LVE3D034052A

Wiring Diagrams Si38-606218 AppendixFXA20L / 25L / 32L / 40L / 50L / 63LVE 3D034206D

Specifications Si38-60612 SpecificationsCeiling Mounted Cassette Type (Multi-flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / E

Si38-606 Wiring DiagramsAppendix 219FXL20L / 25L / 32L / 40L / 50L / 63LVEFXN20L / 25L / 32L / 40L / 50L / 63LVE3D034183A

List of Electrical and Functional Parts Si38-606220 Appendix3. List of Electrical and Functional Parts3.1 Outdoor Unit3.1.1 RXM8, 10MY1Item Name Symbo

Si38-606 List of Electrical and Functional PartsAppendix 2213.2 Indoor UnitParts NameSymbolModelRemarkFXF25LVEFXF32LVEFXF40LVEFXF50LVEFXF63LVEFXF80LVE

List of Electrical and Functional Parts Si38-606222 Appendix∗only for FXD20~63MVE, FXD20~32PVE (with Drain Pump Type)Parts NameSymbolModelRemarkFXK25L

Si38-606 List of Electrical and Functional PartsAppendix 223Parts Name SymbolModelRemarkFXYD20KAVEFXYD25KAVEFXYD32KAVEFXYD40KAVEFXYD50KAVEFXYD63KAVERe

List of Electrical and Functional Parts Si38-606224 AppendixParts NameSymbolModelRemarkFXS20LVEFXS25LVEFXS32LVEFXS40LVEFXS50LVEFXS63LVEFXS80LVEFXS100L

Si38-606 List of Electrical and Functional PartsAppendix 225Parts NameSymbolModelRemarkFXH32LVEFXH63LVEFXH100LVERemoteControllerWired Remote Controlle

List of Electrical and Functional Parts Si38-606226 AppendixParts Name SymbolModelRemarkFXL20LVEFXL25LVEFXL32LVEFXL40LVEFXL50LVEFXL63LVERemoteControll

Si38-606 Option ListAppendix 2274. Option List4.1 Option List of ControllersOperation Control System Optional AccessoriesNote1. Installation box (No.8

Option List Si38-606228 AppendixSystem ConfigurationNote:Installation box for ∗ adaptor must be procured on site.Building Management SystemNote:∗1. PP

Si38-606 SpecificationsSpecifications 13Ceiling Mounted Cassette Corner TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equival

Si38-606 Option ListAppendix 2294.2 Option Lists (Outdoor Unit)RXM8, 10MY1C : 3D041582AOptional accessoriesRXM8MY1RXM10MY1Fixing box KJB111ADistributi

Selection of Pipe Size, Joints and Header Si38-606230 Appendix5. Selection of Pipe Size, Joints and Header5.1 RXM8M, 10M5.1.1 How to select the REFNET

Si38-606 Selection of Pipe Size, Joints and HeaderAppendix 2315.1.4 Piping between the REFNET JointsSelect the proper pipe size using the following ta

Thermistor Resistance / Temperature Characteristics Si38-606232 Appendix6. Thermistor Resistance / Temperature CharacteristicsIndoor unit For air suct

Si38-606 Thermistor Resistance / Temperature CharacteristicsAppendix 233Outdoor Unit Thermistors for Discharge Pipe (R3T)(kΩ))T°C 0.0 0.5 T°C 0.0 0.5

Pressure Sensor Si38-606234 Appendix7. Pressure SensorHigh Pressure (PH)Low Pressure (PL)High Pressure PH=(VH–0.5)×0.98Low Pressure PL=(VL–0.5)×0

Si38-606 Method of Replacing the Inverter’s Power Transistors and Diode ModulesAppendix 2358. Method of Replacing the Inverter’s Power Transistors and

Method of Replacing the Inverter’s Power Transistors and Diode Modules Si38-606236 AppendixPower Transistor IGBT (On Inverter PC board)(Decision) If o

Si38-606Index iIndexAA0 ...118A1 ...

Si38-606ii IndexLow Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure ...162Low Pressure Protection Control .

Specifications Si38-60614 SpecificationsSlim Ceiling Mounted Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CDB / Equivalent pip

Si38-606Index iiiThermostat Sensor in Remote Controller ...65Troubleshooting(OP: Central Remote Controller) ...181(OP: Sch

Si38-606iv Index

Si38-606Drawings & Flow Charts vDrawings & Flow ChartsAAbnormal Discharge Pipe Temperature...142Abnormal Outdoor Fan Motor Signal

Si38-606vi Drawings & Flow ChartsMalfunction of Transmission between Central Remote Controller and Indoor Unit...186Mal

All rights reservedcDealerHead Office:Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,Kita-ku, Osaka, 530-8323 JapanTokyo Office:JR Shinagawa East Bldg.

Si38-606 SpecificationsSpecifications 15Slim Ceiling Mounted Duct Type (with Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CD

Specifications Si38-60616 SpecificationsSlim Ceiling Mounted Duct Type (with Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CD

Si38-606 SpecificationsSpecifications 17Slim Ceiling Mounted Duct Type (without Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35

Specifications Si38-60618 SpecificationsSlim Ceiling Mounted Duct Type (without Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35

Si38-606ii Table of Contents4.5 STD Compressor Overload Protection...594.6 Crankcase Heater Control...

Si38-606 SpecificationsSpecifications 19Ceiling Mounted Low Silhouette Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equ

Specifications Si38-60620 SpecificationsCeiling Mounted Low Silhouette Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equ

Si38-606 SpecificationsSpecifications 21Ceiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Specifications Si38-60622 SpecificationsCeiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Si38-606 SpecificationsSpecifications 23Ceiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Specifications Si38-60624 SpecificationsCeiling Mounted Built-in (Rear Suction Type)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si38-606 SpecificationsSpecifications 25Ceiling Mounted Built-in (Rear Suction Type)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Specifications Si38-60626 SpecificationsCeiling Mounted Built-in (Rear Suction Type)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si38-606 SpecificationsSpecifications 27Ceiling Mounted Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Specifications Si38-60628 SpecificationsCeiling Mounted Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Si38-606Table of Contents iii2.17 “E6” Standard Compressor Motor Overcurrent/Lock...1372.18 “E7” Malfunction of Outdoor Unit

Si38-606 SpecificationsSpecifications 29Ceiling Suspended TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping len

Specifications Si38-60630 SpecificationsWall Mounted TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length:

Si38-606 SpecificationsSpecifications 31Wall Mounted TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CDB / Equivalent piping length: 7

Specifications Si38-60632 SpecificationsFloor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length

Si38-606 SpecificationsSpecifications 33Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length

Specifications Si38-60634 SpecificationsConcealed Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Si38-606 SpecificationsSpecifications 35Concealed Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Specifications Si38-60636 Specifications

Si38-606Refirgerant Circuit 37Part 3Refrigerant Circuit1. Refrigerant Circuit ...

Refrigerant Circuit Si38-60638 Refirgerant Circuit1. Refrigerant Circuit1.1 RXM8, 10MNo. in refrigerant system diagramSymbol Name Major FunctionA M1C

Si38-606iv Table of Contents3.3 “MA” Improper Combination of Optional Controllers forCentralized Control...

Si38-606 Refrigerant CircuitRefirgerant Circuit 39RXM8, 10MJDSULEFGTPABOHNQVKIC: 4D041809A

Functional Parts Layout Si38-60640 Refirgerant Circuit2. Functional Parts Layout2.1 RXM8, 10MPlanFront View

Si38-606 Functional Parts LayoutRefirgerant Circuit 41RXM8, 10MCooling OperationFan ONFan OFFIndoor unitIndoor unit Indoor unitFan ONThermostat "

Functional Parts Layout Si38-60642 Refirgerant CircuitCooling Oil Return Operation Fan ONFan OFFIndoor unitIndoor unit Indoor unitFan OFFThermostat &q

Si38-606Function 43Part 4Function1. Operation Mode ...442. Basic Cont

Operation Mode Si38-60644 Function1. Operation ModeOperation instop modePressureequalizationprior to startupStartup control• Cooling startupcontrolOil

Si38-606 Basic ControlFunction 452. Basic Control2.1 Normal Operation Cooling OperationActuator Operation RemarksCompressor Compressor PI controlUsed

Basic Control Si38-60646 Function2.2 Compressor PI ControlCompressor PI ControlCarries out the compressor capacity PI control to maintain Te at consta

Si38-606 Basic ControlFunction 472.3 Electronic Expansion Valve PI ControlMain Motorized Valve EV1 ControlCarries out the motorized valve (Y1E) PI con

Basic Control Si38-60648 Function2.4 Cooling Operation Fan ControlIn cooling operation with low outdoor air temperature, this control is used to provi

Si38-606 Introductionv1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repair w

Si38-606 Special ControlFunction 493. Special Control3.1 Startup Control3.1.1 Startup Control in Cooling OperationActuator Operation RemarksCompressor

Special Control Si38-60650 Function3.2 Oil Return Operation3.2.1 Oil Return Operation in Cooling Operation* In the case of multi-outdoor-unit system,M

Si38-606 Special ControlFunction 513.3 Pump-down Residual Operation3.3.1 Pump-down Residual Operation in Cooling OperationActuator Master unit operati

Special Control Si38-60652 Function3.4 Restart StandbyActuator OperationCompressor OFFOutdoor unit fanTa>30°C: STEP5Ta≤30°C: OFFMain motorized valv

Si38-606 Special ControlFunction 533.5 Stopping Operation3.5.1 When System is in Stop ModeActuator OperationCompressor OFFOutdoor unit fan OFFMain mot

Special Control Si38-60654 Function3.6 Pressure Equalization prior to StartupActuator OperationCompressor OFFOutdoor unit fan OFFMain motorized valve

Si38-606 Protection ControlFunction 554. Protection Control4.1 High Pressure Protection ControlThis high pressure protection control is used to preven

Protection Control Si38-60656 Function4.2 Low Pressure Protection ControlThis low pressure protection control is used to protect compressors against t

Si38-606 Protection ControlFunction 574.3 Discharge Pipe Protection ControlThis discharge pipe protection control is used to protect the compressor in

Protection Control Si38-60658 Function4.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are perf

Introduction Si38-606vi1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the equi

Si38-606 Protection ControlFunction 594.5 STD Compressor Overload ProtectionThis control is used to prevent abnormal heating due to overcurrent to the

Other Control Si38-60660 Function5. Other Control5.1 Emergency OperationIf the compressor cannot operate, this control inhibits any applicable compres

Si38-606 Other ControlFunction 615.2 Demand OperationIn order to save the power consumption, the capacity of outdoor unit is saved with control forcib

Outline of Control (Indoor Unit) Si38-60662 Function6. Outline of Control (Indoor Unit)6.1 Drain Pump Control1. The drain pump is controlled by the ON

Si38-606 Outline of Control (Indoor Unit)Function 636.1.3 When the Float Switch is Tripped During Heating Operation:During heating operation, if the f

Outline of Control (Indoor Unit) Si38-60664 Function6.2 Louver Control for Preventing Ceiling DirtWe have added a control feature that allows you to s

Si38-606 Outline of Control (Indoor Unit)Function 656.3 Thermostat Sensor in Remote ControllerTemperature is controlled by both the thermostat sensor

Outline of Control (Indoor Unit) Si38-60666 FunctionHeating When heating, the hot air rises to the top of the room, resulting in the temperature being

Si38-606 Outline of Control (Indoor Unit)Function 676.4 Freeze PreventionFreeze Prevention by Off Cycle (Indoor Unit)When the temperature detected by

Outline of Control (Indoor Unit) Si38-60668 Function

Si38-606 Introductionvii1.1.3 Inspection after RepairBe sure to use the specified cable to connect between the indoor and outdoor units. Make the conn

Si38-606Test Operation 69Part 5Test Operation1. Test Operation ...7

Test Operation Si38-60670 Test Operation1. Test Operation1.1 Procedure and OutlineFollow the following procedure to conduct the initial test operation

Si38-606 Test OperationTest Operation 711.1.3 Check Operation* During check operation, mount front panel to avoid the misjudging.* Check operation is

Test Operation Si38-60672 Test Operation1.1.4 Confirmation on normal operation•Conduct normal unit operation after the check operation has been comple

Si38-606 Test OperationTest Operation 731.2 Operation when Power is Turned On1.2.1 When Turning On Power First TimeThe unit cannot be run for up to 12

Outdoor Unit PC Board Layout Si38-60674 Test Operation2. Outdoor Unit PC Board LayoutOutdoor unit PC boardBS1MODE SET RETURN TEST RESETBS2 BS3 BS4 BS5

Si38-606 Field SettingTest Operation 753. Field Setting3.1 Field Setting from Remote ControllerIndividual function of indoor unit can be changed from

Field Setting Si38-60676 Test Operation3.1.2 Wireless Remote Controller - Indoor UnitBRC7C typeBRC7E typeBRC4C type1. When in the normal mode, push th

Si38-606 Field SettingTest Operation 773.1.3 Simplified Remote ControllerBRC2A51BRC2C51Group No. setting by simplified remote controller.1. Remove th

Field Setting Si38-60678 Test Operation3.1.4 Setting Contents and Code No. – VRV Unit Notes: 1. Settings are made simultaneously for the entire group,

Introduction Si38-606viii1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is d

Si38-606 Field SettingTest Operation 793.1.5 Applicable range of Field settingCeiling mounted cassette typeCeiling mounted built-in typeSlim ceiling m

Field Setting Si38-60680 Test Operation3.1.6 Detailed Explanation of Setting ModesFilter Sign SettingIf switching the filter sign ON time, set as give

Si38-606 Field SettingTest Operation 81Auto restart after power failure resetFor the air conditioners with no setting for the function (same as factor

Field Setting Si38-60682 Test OperationAir Flow Direction SettingSet the air flow direction of indoor units as given in the table below. (Set when opt

Si38-606 Field SettingTest Operation 833.1.7 Centralized Control Group No. SettingBRC1C Type In order to conduct the central remote control using the

Field Setting Si38-60684 Test OperationBRC7C TypeBRC7E TypeBRC4C TypeGroup No. setting by wireless remote controller for centralized control1. When

Si38-606 Field SettingTest Operation 853.1.8 Setting of Operation Control Mode from Remote Controller (Local Setting)The operation control mode is com

Field Setting Si38-60686 Test OperationHow to Select Operation ModeWhether operation by remote controller will be possible or not for turning on/off,

Si38-606 Field SettingTest Operation 873.2 Field Setting from Outdoor Unit3.2.1 Field Setting from Outdoor UnitSetting by dip switchesThe following f

Field Setting Si38-60688 Test OperationThere are the following three setting modes.c Setting mode 1 (H1P off)Initial status (when normal) : Used to se