Daikin FMDQ125A7V3B Spécifications

CMSQ200A7W1B, 250A7W1BFMCQ50-125A7VEBFMDQ50-125A7V3BR-410A Heat Pump 50HzSiBE28 - 805SkyAir

SiBE28-805 Introductionix1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is d

SiBE28-805 Field SettingTest Operation 89(10) Auto Restart after Power Failure ResetFor the air conditioners with no setting for the function (same as

Field Setting SiBE28-80590 Test OperationIn the Case of FMCQ100~125 (*24-Way, 3-Way, 2-Way Outlets)*1 “Mode No.” setting is done in a batch for the g

SiBE28-805 Field SettingTest Operation 91(17) Setting of Direct Duct ConnectionThis is used when "fresh air intake kit equipped with fan" is

Field Setting SiBE28-80592 Test Operation3.1.7 Centralized Control Group No. SettingBRC1C Type In order to conduct the central remote control using th

SiBE28-805 Field SettingTest Operation 93BRC7F TypeBRC4C TypeGroup No. setting by wireless remote controller for centralized control1. When in the n

Field Setting SiBE28-80594 Test Operation3.1.8 Setting of Operation Control Mode from Remote Controller (Local Setting)The operation control mode is c

SiBE28-805 Field SettingTest Operation 95How to Select Operation ModeWhether operation by remote controller will be possible or not for turning on/off

Field Setting SiBE28-80596 Test Operation3.2 Field Setting from Outdoor Unit3.2.1 Field Setting from Outdoor UnitList of Field Setting ItemsThis foll

SiBE28-805 Field SettingTest Operation 97For setting items of (*1), refer to detailed information provided on page 108 onward.Setting item Content and

Field Setting SiBE28-80598 Test OperationSetting by dip switchesUsing dip switches on the PC board enables field setting shown below. However, make n

Introduction SiBE28-805x1.2 PREFACEThank you for your continued patronage of Daikin products.This is the new service manual for Daikin's Year 200

SiBE28-805 Field SettingTest Operation 99“Detail of DS1-1~4, DS2-1~4 setting” (for Overseas general)Unit Setting method ( represents the position of

Field Setting SiBE28-805100 Test OperationSetting by push button switchesThe following settings are made by pushbutton switches on PC board.(Factory

SiBE28-805 Field SettingTest Operation 101a. “Setting mode 1”This mode is used to set and check the following items.1. Set items ············ In order

Field Setting SiBE28-805102 Test OperationNo. Setting item Description0Digital pressure gauge kit displayUsed to make setting of contents to display o

SiBE28-805 Field SettingTest Operation 103No. Setting item Description35Setting of difference in elevation for the outdoor unitMake the setting when t

Field Setting SiBE28-805104 Test OperationNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7P

SiBE28-805 Field SettingTest Operation 105No.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7P

Field Setting SiBE28-805106 Test OperationThe numbers in the "No." column represent the number of times to press the SET (BS2) button.*1: Nu

SiBE28-805 Field SettingTest Operation 107Setting item 0 Display contents of “Number of units for various settings” EMG operation /backup operation se

Field Setting SiBE28-805108 Test Operation3.2.2 Cool / Heat Mode SwitchingThere are the following 4 cool/heat switching modes.cSet cool/heat separatel

SiBE28-805General Information 1Part 1General Information1. Model Names of Indoor/Outdoor Units...22.

SiBE28-805 Field SettingTest Operation 109d Set Cool / Heat Separately for Each Outdoor Unit System by Cool / Heat SelectorIt does not matter whether

Field Setting SiBE28-805110 Test Operation3.2.3 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting the ext

SiBE28-805 Field SettingTest Operation 111Image of operation in the case of AImage of operation in the case of BImage of operation in the case of A an

Field Setting SiBE28-805112 Test OperationSetting of Demand OperationBy connecting the external contact input to the demand input of the outdoor unit

SiBE28-805 Field SettingTest Operation 113Image of operation in the case of AImage of operation in the case of BImage of operation in the case of A an

Field Setting SiBE28-805114 Test OperationDetailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)cIn setting m

SiBE28-805 Field SettingTest Operation 115{: ON z: OFF l: BlinkcdeSetting No.Setting contentsSetting No. indication Setting No. indication Setti

Field Setting SiBE28-805116 Test Operation3.2.4 Setting of Refrigerant Recovery ModeWhen carrying out the refrigerant collection on site, fully open t

SiBE28-805 Field SettingTest Operation 1173.2.5 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expansion val

Field Setting SiBE28-805118 Test Operation

Model Names of Indoor/Outdoor Units SiBE28-8052 General Information1. Model Names of Indoor/Outdoor UnitsIndoor UnitsOutdoor UnitsType Model Name Powe

SiBE28-805Troubleshooting 119Part 6Troubleshooting1. Symptom-based Troubleshooting ...1212. Troubl

SiBE28-805120 Troubleshooting3.30 “L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise ...

SiBE28-805 Symptom-based TroubleshootingTroubleshooting 1211. Symptom-based TroubleshootingSymptom Supposed Cause Countermeasure1 The system does not

Symptom-based Troubleshooting SiBE28-805122 TroubleshootingSymptom Supposed Cause Countermeasure7 The system conducts fan operation but not cooling or

SiBE28-805 Symptom-based TroubleshootingTroubleshooting 123Symptom Supposed Cause Countermeasure12 Dust comes out from the system.Dust comes out from

Troubleshooting by Remote Controller SiBE28-805124 Troubleshooting2. Troubleshooting by Remote Controller2.1 The INSPECTION / TEST ButtonThe following

SiBE28-805 Troubleshooting by Remote ControllerTroubleshooting 1252.2 Self-diagnosis by Wired Remote Controller Explanation If operation stops due to

Troubleshooting by Remote Controller SiBE28-805126 Troubleshooting2.3 Self-diagnosis by Wireless Remote ControllerIn the Case of BRC7F TypeBRC4C TypeI

SiBE28-805 Troubleshooting by Remote ControllerTroubleshooting 127The lower digit of the code changes as shown below when the UP and DOWN buttons are

Troubleshooting by Remote Controller SiBE28-805128 Troubleshooting

SiBE28-805 External AppearanceGeneral Information 32. External Appearance2.1 Indoor Units2.2 Outdoor UnitsCeiling Mounted Cassette Type (Round Flow)FM

SiBE28-805 Troubleshooting by Remote ControllerTroubleshooting 1292.4 Remote Controller Service ModeHow to Enter the Service ModeService Mode Operatio

Troubleshooting by Remote Controller SiBE28-805130 TroubleshootingMode NoFunction Contents and operation method Remote controller display example40Mal

SiBE28-805 Troubleshooting by Remote ControllerTroubleshooting 1312.5 Remote Controller Self-Diagnosis FunctionThe remote controller switches are equi

Troubleshooting by Remote Controller SiBE28-805132 Troubleshooting k : ON h : OFF l : BlinkMalfunction codeOperation lamp Malfunction contents

SiBE28-805 Troubleshooting by Remote ControllerTroubleshooting 133System U0 k Low pressure drop due to refrigerant shortage or electronic expansion va

Troubleshooting by Remote Controller SiBE28-805134 TroubleshootingMalfunction code indication by outdoor unit PC board<Selection of setting item>

SiBE28-805 Troubleshooting by Remote ControllerTroubleshooting 135k: ON h: OFF l:BlinkMalfunction codeConfirmation of malfunction 1 Confirmation

Troubleshooting by Remote Controller SiBE28-805136 Troubleshooting<Selection of setting item><Monitor mode><Confirmation of malfunction

SiBE28-805 Troubleshooting by Remote ControllerTroubleshooting 137k: ON h: OFF l:BlinkMalfunction codeConfirmation of malfunction 1 Confirmation

Troubleshooting by Indication on the Remote Controller SiBE28-805138 Troubleshooting3. Troubleshooting by Indication on the Remote Controller3.1“A0” I

Combination SiBE28-8054 General Information3. Combination3.1 Combination OverviewNotes: Explanation of connection (2~4)2: Twin3: Triple4: Double twin3

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1393.2“A1” Indoor Unit: PC Board DefectRemote Controller DisplayA1App

Troubleshooting by Indication on the Remote Controller SiBE28-805140 Troubleshooting3.3“A3” Indoor Unit: Malfunction of Drain Level Control System (S1

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 141TroubleshootingCautionBe sure to turn off power switch before conn

Troubleshooting by Indication on the Remote Controller SiBE28-805142 Troubleshooting3.4“A6” Indoor Unit: Fan Motor (M1F) Lock, OverloadRemote Controll

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1433.5“A9” Indoor Unit: Malfunction of Moving Part of Electronic Expa

Troubleshooting by Indication on the Remote Controller SiBE28-805144 Troubleshooting∗1: Coil check method for the moving part of the electronic expans

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1453.6“AF” Indoor Unit: Drain Level above LimitRemote Controller Disp

Troubleshooting by Indication on the Remote Controller SiBE28-805146 Troubleshooting3.7“AJ” Indoor Unit: Malfunction of Capacity Determination DeviceR

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1473.8“C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exch

Troubleshooting by Indication on the Remote Controller SiBE28-805148 Troubleshooting3.9“C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes

SiBE28-805 Model SelectionGeneral Information 54. Model Selection Connectable Indoor UnitIndoor unit capacityUse the above tables to determine the cap

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1493.10“C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction

Troubleshooting by Indication on the Remote Controller SiBE28-805150 Troubleshooting3.11“CC” Indoor Unit: Malfunction of Humidity Sensor SystemRemote

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1513.12“CJ” Indoor Unit: Malfunction of Thermostat Sensor in Remote C

Troubleshooting by Indication on the Remote Controller SiBE28-805152 Troubleshooting3.13“E1” Outdoor Unit: PC Board DefectRemote Controller DisplayE1A

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1533.14“E3” Outdoor Unit: Actuation of High Pressure SwitchRemote Con

Troubleshooting by Indication on the Remote Controller SiBE28-805154 TroubleshootingTroubleshootingNOYESYESYESNONOYESNOYESNO+5V(4)(3)(2)(1)Check for t

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1553.15“E4” Outdoor Unit: Actuation of Low Pressure SensorRemote Cont

Troubleshooting by Indication on the Remote Controller SiBE28-805156 TroubleshootingTroubleshootingNOYESNOYESNOYESCHECK 4Is the stopvalve open?Open th

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1573.16“E5” Outdoor Unit: Inverter Compressor Motor LockRemote Contro

Troubleshooting by Indication on the Remote Controller SiBE28-805158 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conn

Model Selection SiBE28-8056 General Information

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1593.17“E7” Outdoor Unit: Malfunction of Outdoor Unit Fan MotorRemote

Troubleshooting by Indication on the Remote Controller SiBE28-805160 TroubleshootingTroubleshootingAre there any foreign matters around the fan?YESNON

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 161TroubleshootingNote: Refer to and on P.226.CHECK 1Check for th

Troubleshooting by Indication on the Remote Controller SiBE28-805162 Troubleshooting3.18“E9” Outdoor Unit: Malfunction of Moving Part of Electronic Ex

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 163Troubleshooting(Orange) 1Measuring points1 - 62 - 63 - 64 - 6(Red)

Troubleshooting by Indication on the Remote Controller SiBE28-805164 Troubleshooting3.19“F3” Outdoor Unit: Abnormal Discharge Pipe TemperatureRemote C

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1653.20“F6” Outdoor Unit: Refrigerant OverchargedRemote Controller Di

Troubleshooting by Indication on the Remote Controller SiBE28-805166 Troubleshooting3.21“H7” Outdoor Unit: Abnormal Outdoor Fan Motor SignalRemote Con

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1673.22“H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor

Troubleshooting by Indication on the Remote Controller SiBE28-805168 Troubleshooting3.23“J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R

SiBE28-805Specifications 7Part 2Specifications1. Specifications ...

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1693.24“J5” Outdoor Unit: Malfunction of Thermistor (R2T, R7T) for Su

Troubleshooting by Indication on the Remote Controller SiBE28-805170 Troubleshooting3.25“J6” Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1713.26“J7” Outdoor Unit: Malfunction of Liquid Pipe Thermistor (R6T)

Troubleshooting by Indication on the Remote Controller SiBE28-805172 Troubleshooting3.27“J9” Outdoor Unit: Malfunction of Subcooling Heat Exchanger Ga

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1733.28“JA” Outdoor Unit: Malfunction of High Pressure SensorRemote C

Troubleshooting by Indication on the Remote Controller SiBE28-805174 Troubleshooting3.29“JC” Outdoor Unit: Malfunction of Low Pressure SensorRemote Co

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1753.30“L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempe

Troubleshooting by Indication on the Remote Controller SiBE28-805176 TroubleshootingInverter PC board for compressor∗ Refer to “Thermistor Resistance

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1773.31“L5” Outdoor Unit: Inverter Compressor AbnormalRemote Controll

Troubleshooting by Indication on the Remote Controller SiBE28-805178 TroubleshootingTroubleshootingAPower ONPower OFFPower OFFPower ONNONONOYESYESYESY

Specifications SiBE28-8058 Specifications1. Specifications1.1 Outdoor UnitsCMSQ200, 250A7W1B Heat Pump 50HzTECHNICAL SPECIFICATIONS CMSQ200A7W1B CMSQ2

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1793.32“L8” Outdoor Unit: Inverter Current AbnormalRemote Controller

Troubleshooting by Indication on the Remote Controller SiBE28-805180 TroubleshootingTroubleshootingPower ONYESYESNONOIs a difference between high pres

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1813.33“L9” Outdoor Unit: Inverter Start Up ErrorRemote Controller Di

Troubleshooting by Indication on the Remote Controller SiBE28-805182 TroubleshootingTroubleshootingPower ONYESYESNONOIs a difference between high pres

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1833.34“LC” Outdoor Unit: Malfunction of Transmission Between Inverte

Troubleshooting by Indication on the Remote Controller SiBE28-805184 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conn

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 185TroubleshootingPower ONYESNONONONOYESYESYESIs the micro controller

Troubleshooting by Indication on the Remote Controller SiBE28-805186 Troubleshooting3.35“P1” Outdoor Unit: Inverter Over-Ripple ProtectionRemote Contr

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1873.36“P4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempe

Troubleshooting by Indication on the Remote Controller SiBE28-805188 TroubleshootingInverter PC board for compressor∗ Refer to “Thermistor Resistance

SiBE28-805Table of Contents iCMS R-410A Heat Pump50Hz1. Introduction ...

SiBE28-805 SpecificationsSpecifications 9TECHNICAL SPECIFICATIONS CMSQ200A7W1B CMSQ250A7W1BSound levelCoolingSound Power (Nominal)dBA 78 81Sound Press

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1893.37“PJ” Outdoor Unit: Faulty Field Setting after Replacing Main P

Troubleshooting by Indication on the Remote Controller SiBE28-805190 Troubleshooting3.38“U0” Outdoor Unit: Low Pressure Drop Due to Refrigerant Shorta

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1913.39“U1” Reverse Phase, Open PhaseRemote Controller DisplayU1Appli

Troubleshooting by Indication on the Remote Controller SiBE28-805192 Troubleshooting3.40“U2” Outdoor Unit: Power Supply Insufficient or Instantaneous

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 193TroubleshootingCautionBe sure to turn off power switch before conn

Troubleshooting by Indication on the Remote Controller SiBE28-805194 TroubleshootingTroubleshootingPower ONPower OFFIf any wiring has damage, replace

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1953.41“U3” Outdoor Unit: Check Operation not ExecutedRemote Controll

Troubleshooting by Indication on the Remote Controller SiBE28-805196 Troubleshooting3.42“U4” Malfunction of Transmission Between Indoor UnitsRemote Co

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 197TroubleshootingCautionBe sure to turn off power switch before conn

Troubleshooting by Indication on the Remote Controller SiBE28-805198 Troubleshooting3.43“U5” Indoor Unit: Malfunction of Transmission Between Remote C

Specifications SiBE28-80510 SpecificationsELECTRICAL SPECIFICATIONS CMSQ200A7W1B CMSQ250A7W1BPower SupplyName W1Phase 3N~Frequency Hz 50Voltage V 400C

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1993.44“U7” Indoor Unit: Malfunction of Transmission Between Outdoor

Troubleshooting by Indication on the Remote Controller SiBE28-805200 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conn

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2013.45“U8” Indoor Unit: Malfunction of Transmission Between Main and

Troubleshooting by Indication on the Remote Controller SiBE28-805202 Troubleshooting3.46“U9” Indoor Unit: Malfunction of Transmission Between Indoor a

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2033.47“UA” Improper Combination of Indoor and Outdoor Units, Indoor

Troubleshooting by Indication on the Remote Controller SiBE28-805204 TroubleshootingTroubleshooting∗The number of indoor units that can be connected t

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2053.48“UC” Address Duplication of Centralized ControllerRemote Contr

Troubleshooting by Indication on the Remote Controller SiBE28-805206 Troubleshooting3.49“UE” Malfunction of Transmission Between Centralized Controlle

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 207TroubleshootingCautionBe sure to turn off power switch before conn

Troubleshooting by Indication on the Remote Controller SiBE28-805208 TroubleshootingTroubleshootingIs the voltage between the terminals F1 (+) and F2

SiBE28-805 SpecificationsSpecifications 111.2 Indoor UnitsFMCQ50-125A7VEBFOR INDOOR UNITS ONLY FMCQ50A7VEB FMCQ60A7VEB FMCQ71A7VEBFMCQ100A7VEB FMCQ125

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2093.50“UF” System is not Set yetRemote Controller DisplayUFApplicabl

Troubleshooting by Indication on the Remote Controller SiBE28-805210 Troubleshooting3.51“UH” Malfunction of System, Refrigerant System Address Undefin

SiBE28-805 Troubleshooting by Indication on the Remote ControllerTroubleshooting 211TroubleshootingCautionBe sure to turn off power switch before conn

Troubleshooting (OP: Central Remote Controller) SiBE28-805212 Troubleshooting4. Troubleshooting (OP: Central Remote Controller)4.1“M1” PC Board Defect

SiBE28-805 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2134.2“M8” Malfunction of Transmission Between Optional Controllers for Cent

Troubleshooting (OP: Central Remote Controller) SiBE28-805214 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or

SiBE28-805 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2154.3“MA” Improper Combination of Optional Controllers for Centralized Cont

Troubleshooting (OP: Central Remote Controller) SiBE28-805216 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or

SiBE28-805 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2174.4“MC” Address Duplication, Improper SettingRemote Controller DisplayMCA

Troubleshooting (OP: Central Remote Controller) SiBE28-805218 TroubleshootingMaster-Slave Unit Setting TableCombination of intelligent Touch Controlle

Specifications SiBE28-80512 SpecificationsTECHNICAL SPECIFICATIONS FMCQ50A7VEB FMCQ60A7VEB FMCQ71A7VEBFMCQ100A7VEB FMCQ125A7VEBStandard AccessoriesIte

SiBE28-805 Troubleshooting (OP: Central Remote Controller)Troubleshooting 219Procedures for Detecting Broken Wires in Transmission Wiring for Control1

Troubleshooting (OP: Unified ON/OFF Controller) SiBE28-805220 Troubleshooting5. Troubleshooting (OP: Unified ON/OFF Controller)5.1 Operation Lamp Blin

SiBE28-805 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 221TroubleshootingCautionBe sure to turn off power switch before connect or

Troubleshooting (OP: Unified ON/OFF Controller) SiBE28-805222 Troubleshooting5.2 Display “Under Centralized Control” Blinks (Repeats Single Blink)Remo

SiBE28-805 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 223TroubleshootingCautionBe sure to turn off power switch before connect or

Troubleshooting (OP: Unified ON/OFF Controller) SiBE28-805224 TroubleshootingNONOCannot be used in combination with a wiring adaptor for electrical ap

SiBE28-805 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 2255.3 Display “Under Centralized Control” Blinks (Repeats Double Blink)Remo

Troubleshooting (OP: Unified ON/OFF Controller) SiBE28-805226 TroubleshootingCheck on connector of fan motor (Power supply cable)(1) Turn off the powe

SiBE28-805 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 227Check for causes of rise in high pressureReferring to the Fault Tree Anal

Troubleshooting (OP: Unified ON/OFF Controller) SiBE28-805228 TroubleshootingCheck for causes of drop in low pressureReferring to the Fault Tree Analy

SiBE28-805 SpecificationsSpecifications 13FMDQ50-125A7V3BFOR INDOOR UNITS ONLY FMDQ50A7V3B FMDQ60A7V3B FMDQ71A7V3B FMDQ100A7V3B FMDQ125A7V3BNominal In

SiBE28-805Appendix 229Part 7Appendix1. Piping Diagrams...2301.1 Outdoor

Piping Diagrams SiBE28-805230 Appendix1. Piping Diagrams1.1 Outdoor UnitCMSQ200A4TW31345-1Heat exchangerCompressorFilterFilterFilterPressure regulatin

SiBE28-805 Piping DiagramsAppendix 231CMSQ250A4TW31355-1Heat exchangerCompressorFilterFilterFilter4-way valveSolenoid valveOil separatorFanFilterCheck

Piping Diagrams SiBE28-805232 Appendix1.2 Indoor UnitFMCQ, FMDQ C : 3TW25515-1C : 3TW31365-1Heat exchanger(4)(1)Gas piping connection portLiquid pipin

SiBE28-805 Wiring Diagrams for ReferenceAppendix 2332. Wiring Diagrams for Reference2.1 Outdoor UnitCMSQ200A7W1B2TW31346-1

Wiring Diagrams for Reference SiBE28-805234 AppendixCMSQ250A7W1B2TW31356-1

SiBE28-805 Wiring Diagrams for ReferenceAppendix 2352.2 Field WiringCMSQ200A7, 250A7W1B2 WIRES CABLE(TRANSMISSION LINE)2 WIRES CABLE(POWER LINE)INDOOR

Wiring Diagrams for Reference SiBE28-805236 Appendix2.3 Indoor UnitFMCQ50-125A7VEB3TW31056-1

SiBE28-805 Wiring Diagrams for ReferenceAppendix 237FMDQ50-60A7V3B2TW23686-1CNOTES1 Use copper conductors only.2 When using the central remote control

Wiring Diagrams for Reference SiBE28-805238 AppendixFMDQ71-125A7V3B2TW23736-1CNOTES1 Use copper conductors only.2 When using the central remote contro

Specifications SiBE28-80514 SpecificationsTECHNICAL SPECIFICATIONS FMDQ50A7V3B FMDQ60A7V3B FMDQ71A7V3B FMDQ100A7V3B FMDQ125A7V3BAir Filter Resin net w

SiBE28-805 List of Electrical and Functional PartsAppendix 2393. List of Electrical and Functional Parts3.1 Outdoor Unit3.1.1 CMSQ200A7W1B~250A7W1BIte

List of Electrical and Functional Parts SiBE28-805240 Appendix3.2 Indoor Side3.2.1 Indoor UnitParts NameSymbolModelRemarkFMCQ50A7VEB FMCQ60A7VEB FMCQ7

SiBE28-805 Option ListAppendix 2414. Option List4.1 Option List of ControllersOperation Control System Optional AccessoriesNote:1. Installation box (N

Option List SiBE28-805242 AppendixSystem ConfigurationNote:1. Installation box for * adaptor must be obtained locally.2. For residential use only. Can

SiBE28-805 Option ListAppendix 2434.2 Option Lists (Outdoor Unit)Notes:1. All options are kits.2. The option should be installed inside the outdoor un

Option List SiBE28-805244 Appendix

SiBE28-805 Example of connection (R-410A Type)Appendix 2455. Example of connection (R-410A Type)Example of connection(Connection of 4 indoor units Hea

Example of connection (R-410A Type) SiBE28-805246 AppendixaPipe size selectionA,B,C. Piping between outdoor unit and refrigerant branch kit• Choose fr

SiBE28-805 Thermistor Resistance / Temperature CharacteristicsAppendix 2476. Thermistor Resistance / Temperature CharacteristicsIndoor unit For air su

Thermistor Resistance / Temperature Characteristics SiBE28-805248 AppendixOutdoor Unit Thermistors for Discharge Pipe (R3T, R31∼33T)(kΩ)T°C 0.0 0.5 T°

SiBE28-805Refirgerant Circuit 15Part 3Refrigerant Circuit1. Refrigerant Circuit ...

SiBE28-805 Pressure SensorAppendix 2497. Pressure SensorHigh Pressure (PH)Low Pressure (PL)PH : Detected Pressure [High Side] MPaPL : Detected Pressur

Method of Checking the Inverter’s Power Transistors and Diode Modules SiBE28-805250 Appendix8. Method of Checking the Inverter’s Power Transistors and

SiBE28-805 Method of Checking the Inverter’s Power Transistors and Diode ModulesAppendix 2511. Power module checking2. Diode module checkingWhen using

Method of Checking the Inverter’s Power Transistors and Diode Modules SiBE28-805252 Appendix

SiBE28-805Precautions for New Refrigerant (R-410A) 253Part 8Precautions for NewRefrigerant (R-410A)1. Precautions for New Refrigerant (R-410A) ...

Precautions for New Refrigerant (R-410A) SiBE28-805254 Precautions for New Refrigerant (R-410A)1. Precautions for New Refrigerant (R-410A)1.1 Outline1

SiBE28-805 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 255Thermodynamic characteristic of R-410ATemperature( )St

Precautions for New Refrigerant (R-410A) SiBE28-805256 Precautions for New Refrigerant (R-410A)1.2 Refrigerant CylindersCylinder specifications • Th

SiBE28-805 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2571.3 Service ToolsR-410A is used under higher working pr

Precautions for New Refrigerant (R-410A) SiBE28-805258 Precautions for New Refrigerant (R-410A)1. Flaring toolSpecifications • Dimension ADifferenc

Refrigerant Circuit SiBE28-80516 Refirgerant Circuit1. Refrigerant Circuit1.1 CMSQ200A7No. in refrigerant system diagramSymbol Name Major FunctionA M1

SiBE28-805 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 2592. Torque wrenchSpecifications • Dimension B Unit:mmN

Precautions for New Refrigerant (R-410A) SiBE28-805260 Precautions for New Refrigerant (R-410A)4. Leak testerSpecifications • Hydrogen detecting typ

SiBE28-805 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 261 • Temperature scale indicates the relationship betwee

Precautions for New Refrigerant (R-410A) SiBE28-805262 Precautions for New Refrigerant (R-410A)9. Weigher for refrigerant chargeSpecifications • Hig

SiBE28-805Index iIndexAA0 ...138A1 ...

SiBE28-805ii IndexLocal setting switch ...81Low Pressure Drop Due to Refrigerant Shortage or Electronic

SiBE28-805Index iiiUA ...203UC ...

SiBE28-805iv Index

SiBE28-805Drawings & Flow Charts vDrawings & Flow ChartsAAbnormal Discharge Pipe Temperature ...164Abnormal Outdoor Fan Motor Sign

SiBE28-805vi Drawings & Flow ChartsMalfunction of Thermistor (R1T) for Suction Air ...149Malfunc

SiBE28-805 Refrigerant CircuitRefirgerant Circuit 17CMSQ200A74TW31345-1546213KETDMNPAWGJO

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

Refrigerant Circuit SiBE28-80518 Refirgerant Circuit1.2 CMSQ250A7No. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compressor

SiBE28-805ii Table of Contents3.6 Stopping Operation ...454. Protection C

SiBE28-805 Refrigerant CircuitRefirgerant Circuit 19CMSQ250A74TW31355-17563214TMNWOGPJAFVED

Functional Parts Layout SiBE28-80520 Refirgerant Circuit2. Functional Parts Layout2.1 CMSQ200A7PlanFront ViewTHERMISTORACCUMULATORAccumulator ass&apos

SiBE28-805 Functional Parts LayoutRefirgerant Circuit 212.2 CMSQ250A7PlanFront ViewTHERMISTORAccumulatorHigh pressure sensor(S1NPH)Heat exchangerTHERM

Refrigerant Flow for Each Operation Mode SiBE28-80522 Refirgerant Circuit3. Refrigerant Flow for Each Operation ModeCMSQ200A7Cooling Operation" O

SiBE28-805 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 23Cooling Oil Return OperationThermostat "OFF" " OFF " &quo

Refrigerant Flow for Each Operation Mode SiBE28-80524 Refirgerant CircuitHeating Oil Return & Defrost Operation Thermostat "ON"EV:4

SiBE28-805 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 25Heating Operation " OFF " " ON "" ON "EV:20

Refrigerant Flow for Each Operation Mode SiBE28-80526 Refirgerant CircuitCMSQ250A7Cooling Operation " OFF "" ON " " ON &q

SiBE28-805 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 27Cooling Oil Return Operation COMPRESSOR" OFF "" ON ""

Refrigerant Flow for Each Operation Mode SiBE28-80528 Refirgerant CircuitHeating Oil Return & Defrost Operation COMPRESSOR" OFF " "

SiBE28-805Table of Contents iii3.8 “C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger...

SiBE28-805 Refrigerant Flow for Each Operation ModeRefirgerant Circuit 29Heating Operation COMPRESSOR " OFF " " ON "" ON

Refrigerant Flow for Each Operation Mode SiBE28-80530 Refirgerant Circuit

SiBE28-805Function 31Part 4Function1. Function General...321.1 Symbol

Function General SiBE28-80532 Function1. Function General1.1 SymbolSymbol Electric symbol Description or function20S1 Y3S Four way valve (Energize dur

SiBE28-805 Function GeneralFunction 331.2 Operation ModeIndoor unit thermostat ON Operation mode changeoverPump-down residual operationMalfunction/Sta

Basic Control SiBE28-80534 Function2. Basic Control2.1 Normal Operation2.1.1 List of Functions in Normal Operation*1. PI control : Evaporator outlet s

SiBE28-805 Basic ControlFunction 352.2 Compressor PI ControlCompressor PI ControlCarries out the compressor capacity PI control to maintain Te at cons

Basic Control SiBE28-80536 FunctionCompressor Step ControlCompressor operations vary with the following steps according to information in "2.2 C

SiBE28-805 Basic ControlFunction 372.3 Electronic Expansion Valve PI ControlMain Motorized Valve EV1 ControlCarries out the motorized valve (Y1E) PI c

Basic Control SiBE28-80538 Function2.5 Outdoor Unit Fan Control in Cooling OperationWhile in cooling operation, if the outdoor temperature is low, thi

SiBE28-805iv Table of Contents3.46 “U9” Indoor Unit: Malfunction of Transmission Between Indoor and Outdoor Units in the Same System...

SiBE28-805 Special ControlFunction 393. Special Control3.1 Startup ControlThis control is used to equalize the pressure in the front and back of the c

Special Control SiBE28-80540 Function3.2 Oil Return OperationIn order to prevent the compressor from running out of oil, the oil return operation is c

SiBE28-805 Special ControlFunction 413.2.2 Oil Return Operation in Heating OperationOutdoor Unit ActuatorOil return preparation operationOil return op

Special Control SiBE28-80542 Function3.3 Defrosting OperationTo defrost the outdoor unit heat exchanger while in Evaporator, the defrost operation is

SiBE28-805 Special ControlFunction 433.4 Pump-down Residual Operation3.4.1 Pump-down Residual Operation in Cooling OperationIf the liquid refrigerant

Special Control SiBE28-80544 Function3.5 Standby3.5.1 Restart StandbyUsed to forcedly stop the compressor for a period of 3 minutes, in order to preve

SiBE28-805 Special ControlFunction 453.6 Stopping Operation3.6.1 When System is in Stop Mode (Normal operation stop)This mode is used to define actuat

Special Control SiBE28-80546 Function3.6.3 Stopping Operation of Slave Units During Master Unit is in Operation with Multi-Outdoor-Unit SystemWhile th

SiBE28-805 Protection ControlFunction 474. Protection Control4.1 High Pressure Protection ControlThis high pressure protection control is used to prev

Protection Control SiBE28-80548 Function4.2 Low Pressure Protection ControlThis low pressure protection control is used to protect compressors against

SiBE28-805Table of Contents vIndex ... iDrawings & Flow

SiBE28-805 Protection ControlFunction 494.3 Discharge Pipe Protection ControlThis discharge pipe protection control is used to protect the compressor

Protection Control SiBE28-80550 Function4.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are pe

SiBE28-805 Protection ControlFunction 514.5 Injection Control (only for CMSQ200A7) For transitional rise in discharge pipe temperature, have the liqui

Other Control SiBE28-80552 Function5. Other Control5.1 Demand OperationIn order to save the power consumption, the capacity of outdoor unit is saved w

SiBE28-805 Outline of Control (Indoor Unit)Function 536. Outline of Control (Indoor Unit)6.1 Drain Pump Control1. The drain pump is controlled by the

Outline of Control (Indoor Unit) SiBE28-80554 Function6.1.3 When the Float Switch is Tripped During Heating Operation:During heating operation, if the

SiBE28-805 Outline of Control (Indoor Unit)Function 556.2 Louver Control for Preventing Ceiling DirtWe have added a control feature that allows you to

Outline of Control (Indoor Unit) SiBE28-80556 Function6.3 Thermostat Sensor in Remote ControllerTemperature is controlled by both the thermostat senso

SiBE28-805 Outline of Control (Indoor Unit)Function 57Heating When heating, the hot air rises to the top of the room, resulting in the temperature bei

Outline of Control (Indoor Unit) SiBE28-80558 Function6.4 Thermostat Control while in Normal Operation The systems are set at factory to thermostat co

Introduction SiBE28-805vi1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repai

SiBE28-805 Outline of Control (Indoor Unit)Function 596.6 Electronic Expansion Valve Control• Electronic expansion Valve ControlIn cooling, to maximiz

Outline of Control (Indoor Unit) SiBE28-80560 Function6.8 Freeze PreventionFreeze Prevention by Off Cycle (Indoor Unit)When the temperature detected b

SiBE28-805 Outline of Control (Indoor Unit)Function 61(2) The heater control (ON/OFF) is conducted by converting the heater temperature into the conde

Outline of Control (Indoor Unit) SiBE28-80562 Function

SiBE28-805Test Operation 63Part 5Test Operation1. Test Operation ...

Test Operation SiBE28-80564 Test Operation1. Test Operation1.1 Installation ProcessBelow figure shows the installation process. Install in the order o

SiBE28-805 Test OperationTest Operation 651.2 Procedure and OutlineFollow the following procedure to conduct the initial test operation after installa

Test Operation SiBE28-80566 Test Operation1.2.2 Turn Power On Be sure to turn the power on 6 hours before starting operation to protect compressors.

SiBE28-805 Test OperationTest Operation 671.2.3 Leak Test and Vacuum DryingThe units were checked for leaks by the manufacturer.After connecting the f

Test Operation SiBE28-80568 Test Operation2. Following should be executed if there is a possibility of moisture remaining inside the pipe (if piping w

SiBE28-805 Introductionvii1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the e

SiBE28-805 Test OperationTest Operation 691.2.5.1 Important Information Regarding the Refrigerant UsedThis product contains fluorinated greenhouse gas

Test Operation SiBE28-80570 Test Operation1.2.5.3 Stop Valve Operation ProcedureDo not open the stop valve until all piping and electrical steps of &

SiBE28-805 Test OperationTest Operation 711.2.5.4 How to Check How Many Units are ConnectedIt is possible to find out how many indoor units are active

Test Operation SiBE28-80572 Test Operation1.2.5.5 Additional Refrigerant ChargeFollow the procedures below.When charging a system, charging over the

SiBE28-805 Test OperationTest Operation 73Charging while the outdoor unit is operating1. Completely open the gas line stop valve.Valve A must be left

Test Operation SiBE28-80574 Test OperationPay attention to the fan. It is dangerous to inspect the unit while the fan is running. Be sure to turn off

SiBE28-805 Test OperationTest Operation 75Note:Make sure that all outside panels, except for the panel on the electric box, are closed while working.C

Test Operation SiBE28-80576 Test OperationSetting the modeThe set mode can be changed with the BS1 MODE button according to the following procedure:F

SiBE28-805 Test OperationTest Operation 773.2Possible settings for function DThe noise of level 3 < level 2 < level 1 ( 1).3.3Possible settings

Test Operation SiBE28-80578 Test OperationIn the check operation, the following checks and judgement will be performed:Check of the stop valve openi

Introduction SiBE28-805viii1.1.3 Inspection after RepairBe sure to use the specified cable to connect between the indoor and outdoor units. Make the c

SiBE28-805 Test OperationTest Operation 79Correcting after abnormal completion of the test operationThe test operation is only completed if there is n

Test Operation SiBE28-80580 Test Operation1.3 Operation when Power is Turned On1.3.1 When Turning On Power First TimeThe unit cannot be run for up to

SiBE28-805 Outdoor Unit PC Board LayoutTest Operation 812. Outdoor Unit PC Board LayoutOutdoor unit PC board(1) Microcomputer normal monitorThis monit

Field Setting SiBE28-80582 Test Operation3. Field Setting3.1 Field Setting from Remote ControllerIndividual function of indoor unit can be changed fro

SiBE28-805 Field SettingTest Operation 833.1.2 Wireless Remote Controller - Indoor UnitBRC7F typeBRC4C type1. When in the normal mode, push the “ ” bu

Field Setting SiBE28-80584 Test Operation3.1.3 Simplified Remote ControllerBRC2A51BRC2C511. Remove the upper part of remote controller.2. When in the

SiBE28-805 Field SettingTest Operation 853.1.4 Setting Contents and Code No. – Indoor unit Notes : 1. Settings are made simultaneously for the entire

Field Setting SiBE28-80586 Test Operation3.1.5 Applicable Range of Field SettingCeiling mounted cassette type Ceiling mounted built-in type Details No

SiBE28-805 Field SettingTest Operation 873.1.6 Detailed Explanation of Setting Modes(1) Filter Sign SettingIf switching the filter sign ON time, set a

Field Setting SiBE28-80588 Test Operation(6) External ON/OFF InputThis input is used for "ON / OFF operation" and "Protection device in