Daikin RXYQ10PY1 Specifications

RXYQ5-54PY1R-410A Heat Pump 50HzSi34 - 601A

Si34-601A Introductionix1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is de

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 89Heating Operation " OFF " " ON " Thermostat "ON&

Refrigerant Flow for Each Operation Mode Si34-601A90 Refirgerant Circuit

Si34-601AFunction 91Part 4Function1. Function general ...921.1 Symbol

Function general Si34-601A92 Function1. Function general1.1 SymbolSymbol Electric symbol Description or function20S1 Y3S Four way valve (Energize duri

Si34-601A Function generalFunction 931.2 Operation ModeIndoor unit thermostat ON Operation mode changeoverPump-down residual operationMalfunction/Stan

Basic Control Si34-601A94 Function2. Basic Control2.1 Normal Operation2.1.1 List of Functions in Normal Operation*1. PI control : Evaporator outlet su

Si34-601A Basic ControlFunction 952.2 Compressor PI ControlCompressor PI ControlCarries out the compressor capacity PI control to maintain Te at const

Basic Control Si34-601A96 FunctionOperating Priority and Rotation of Compressors (For multi standard connection system)INV: Inverter compressorSTD1:

Si34-601A Basic ControlFunction 97*• In the case of combination of 3 outdoor units, the above diagram shows master unit, slave unit 1, and slave unit

Basic Control Si34-601A98 FunctionCompressor Step Control (Multi outdoor unit connection is available on the standard connection system)Compressor op

Introduction Si34-601Ax1.2 PREFACEThank you for your continued patronage of Daikin products.This is the new service manual for Daikin's Year 2006

Si34-601A Basic ControlFunction 99represents the range in which “Hz” is not stepped up.RXYQ20PY1 (8+12HP)(To increase Step No.)STEPNo.Master unit INVS

Basic Control Si34-601A100 Function represents the range in which “Hz” is not stepped up.RXYQ24PY1 (8+16HP)(To increase Step No.)STEPNo.Master unit I

Si34-601A Basic ControlFunction 101represents the range in which “Hz” is not stepped up.RXYQ28PY1, 30PY1 (10/12+18HP)(To increase Step No.)STEPNo.Mast

Basic Control Si34-601A102 Functionrepresents the range in which “Hz” is not stepped up.Notes:1. INV : Inverter compressorSTD : Standard compressorFig

Si34-601A Basic ControlFunction 103represents the range in which “Hz” is not stepped up.RXYQ 40PY1 (8+16+16HP)(To increase Step No.)STEPNo.Master unit

Basic Control Si34-601A104 Functionrepresents the range in which “Hz” is not stepped up.(To decrease Step No.)STEPNo.Master unit INVSlave unit1 INVSla

Si34-601A Basic ControlFunction 105represents the range in which “Hz” is not stepped up.RXYQ50PY1, 52PY1 (14/16+18+18HP)(To increase Step No.)STEPNo.M

Basic Control Si34-601A106 FunctionRXYQ54PY1 (18+18+18HP)(To increase Step No.)STEPNo.Master unit INVSlave unit1 INVSlave unit2 INVSTD1 52 Hz 52 Hz 52

Si34-601A Basic ControlFunction 1072.3 Electronic Expansion Valve PI ControlMain Motorized Valve EV1 ControlCarries out the motorized valve (Y1E) PI c

Basic Control Si34-601A108 Function2.5 Outdoor Unit Fan Control in Cooling OperationWhile in cooling operation, if the outdoor temperature is low, thi

Si34-601AGeneral Information 1Part 1General Information1. Model Names of Indoor/Outdoor Units...22. E

Si34-601A Special ControlFunction 1093. Special Control3.1 Startup ControlThis control is used to equalize the pressure in the front and back of the c

Special Control Si34-601A110 Function3.2 Large capacity start up control (Heating)For startup, oil return operation, or setup after defrosting, start

Si34-601A Special ControlFunction 1113.3 Oil Return OperationIn order to prevent the compressor from running out of oil, the oil return operation is c

Special Control Si34-601A112 Function3.3.2 Oil Return Operation in Heating Operation* In the case of multi-outdoor-unit system,Master unit: Performs t

Si34-601A Special ControlFunction 1133.4 Defrosting OperationTo defrost the outdoor unit heat exchanger while in Evaporator, the defrost operation is

Special Control Si34-601A114 Function3.5 Pump-down Residual Operation3.5.1 Pump-down Residual Operation in Cooling OperationIf the liquid refrigerant

Si34-601A Special ControlFunction 1153.6 Standby3.6.1 Restart StandbyUsed to forcedly stop the compressor for a period of 3 minutes, in order to preve

Special Control Si34-601A116 Function3.7 Stopping Operation3.7.1 When System is in Stop Mode (Normal operation stop)This mode is used to define actuat

Si34-601A Special ControlFunction 1173.7.3 Stopping Operation of Slave Units During Master Unit is in Operation with Multi-Outdoor-Unit SystemWhile th

Protection Control Si34-601A118 Function4. Protection Control4.1 High Pressure Protection ControlThis high pressure protection control is used to prev

Model Names of Indoor/Outdoor Units Si34-601A2 General Information1. Model Names of Indoor/Outdoor UnitsIndoor UnitsNote:FXDQ has following 2 Series,

Si34-601A Protection ControlFunction 1194.2 Low Pressure Protection ControlThis low pressure protection control is used to protect compressors against

Protection Control Si34-601A120 Function4.3 Discharge Pipe Protection ControlThis discharge pipe protection control is used to protect the compressor

Si34-601A Protection ControlFunction 1214.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are pe

Protection Control Si34-601A122 Function4.5 STD Compressor Overload ProtectionThis control is used to prevent abnormal heating due to overcurrent to t

Si34-601A Other ControlFunction 1235. Other Control5.1 Outdoor Unit RotationIn the case of multi-outdoor-unit system, this outdoor unit rotation is us

Other Control Si34-601A124 Function* “Master unit”, “slave unit 1” and “slave unit 2” in this section are the names for installation.They are determi

Si34-601A Other ControlFunction 1255.2.2 In the Case of 1-Outdoor-Unit System (RXYQ8P to 18P)[Set the system to operation prohibition mode by compress

Other Control Si34-601A126 FunctionNote : In order to forcedly clear the automatic backup operation, reset the power supply with the outdoor unit in t

Si34-601A Other ControlFunction 127[Emergency operation with settings in service mode]∗ “Inhibition of operation” is set with each outdoor unit. Make

Other Control Si34-601A128 Function5.3 Demand OperationIn order to save the power consumption, the capacity of outdoor unit is saved with control forc

Si34-601A External AppearanceGeneral Information 32. External Appearance2.1 Indoor UnitsCeiling Mounted Cassette Type (Double Flow)FXCQ20MFXCQ25MFXCQ3

Si34-601A Outline of Control (Indoor Unit)Function 1296. Outline of Control (Indoor Unit)6.1 Drain Pump Control1. The drain pump is controlled by the

Outline of Control (Indoor Unit) Si34-601A130 Function6.1.3 When the Float Switch is Tripped During Heating Operation:During heating operation, if the

Si34-601A Outline of Control (Indoor Unit)Function 1316.2 Louver Control for Preventing Ceiling DirtWe have added a control feature that allows you to

Outline of Control (Indoor Unit) Si34-601A132 Function6.3 Thermostat Sensor in Remote ControllerTemperature is controlled by both the thermostat senso

Si34-601A Outline of Control (Indoor Unit)Function 133Heating When heating, the hot air rises to the top of the room, resulting in the temperature bei

Outline of Control (Indoor Unit) Si34-601A134 Function6.4 Thermostat Control While in Normal Operation VRV multi systems are set at factory to thermos

Si34-601A Outline of Control (Indoor Unit)Function 1356.6 Electronic Expansion Valve Control• Electronic expansion Valve ControlIn cooling, to maximiz

Outline of Control (Indoor Unit) Si34-601A136 Function6.8 Freeze PreventionFreeze Prevention by Off Cycle (Indoor Unit)When the temperature detected b

Si34-601A Outline of Control (Indoor Unit)Function 137(2) The heater control (ON/OFF) is conducted by converting the heater temperature into the conde

Outline of Control (Indoor Unit) Si34-601A138 Function6.11 Control of Outdoor Air Processing Unit (Unique Control for Outdoor Air Processing Unit)6.11

External Appearance Si34-601A4 General Information2.2 Outdoor UnitsRXYQ5P RXYQ8P, 10P (12P: EUROPE)RXYQ20P, 22P, 24P, 26P, 28PRXYQ30P, 32P, 34P, 36PRX

Si34-601A Outline of Control (Indoor Unit)Function 1396.11.2 Discharge Air Temperature ControlUsed to control the EV (electronic expansion valve) open

Outline of Control (Indoor Unit) Si34-601A140 Function (2) Heating operationsT1: Temperature detected by suction air thermistor Th1T2: Temperature det

Si34-601A Outline of Control (Indoor Unit)Function 141(3) Thermostat OFF by discharge air temperature<Cooling><Heating>6.11.3 Low Outdoor

Outline of Control (Indoor Unit) Si34-601A142 Function

Si34-601ATest Operation 143Part 5Test Operation1. Test Operation ...1

Test Operation Si34-601A144 Test Operation1. Test Operation1.1 Installation ProcessBelow Fiure shows the installation process. Install in the order of

Si34-601A Test OperationTest Operation 1451.2 Procedure and OutlineFollow the following procedure to conduct the initial test operation after installa

Test Operation Si34-601A146 Test Operation1.2.2 Turn power on Be sure to turn the power on 6 hours before starting operation to protect compressors.

Si34-601A Test OperationTest Operation 1471.2.3 Air Tight Test and Vacuum DryingNote:Always use nitrogen gas for the airtightness test.Absolutely do

Test Operation Si34-601A148 Test Operation1.2.3.2 Air Tight Test and Vacuum Drying Method After finished piping work, carry out air tight test and vac

Si34-601A Combination of Outdoor UnitsGeneral Information 53. Combination of Outdoor UnitsNormal SeriesNote: For multiple connection of 18HP system or

Si34-601A Test OperationTest Operation 149[Shutoff Valve Operation Procedure]When operating the shutoff valve, follow the procedure instructed below.N

Test Operation Si34-601A150 Test Operation[How to Check How Many Units are Connected]It is possible to find out how many indoor or outdoor unit in the

Si34-601A Test OperationTest Operation 1511.2.4.2 Procedure of Adding Refrigerant Charging and Check OperationWarning Electric Shock WarningMake sure

Test Operation Si34-601A152 Test Operation3. Open the valve C (See the figure 31. The valve A, B and the liquid and gas side shutout valve must be lef

Si34-601A Test OperationTest Operation 153[Refrigerant Charging Operation Procedure]STEP1 Open the liquid and gas side shutoff valves (The valve A~C m

Test Operation Si34-601A154 Test OperationNOTE:• For check operation, the following work will be performed.Check of shutoff valve openingCheck of mi

Si34-601A Test OperationTest Operation 155[Remote controller displays malfunction code]If any malfunction codes other than the above are displayed, ch

Test Operation Si34-601A156 Test Operation1.2.5 Onsite SettingsNOTE:In the case of a multi system, all onsite settings should be made on the master un

Si34-601A Test OperationTest Operation 1571.2.6 Test Run1.2.6.1 Before Test Run• Make sure the following works are completed in accordance with the in

Test Operation Si34-601A158 Test Operation1.2.6.3 Checks after Test RunPerform the following checks after the test run is complete.• Record the conten

Combination of Outdoor Units Si34-601A6 General InformationHigh COP Series (Energy Saving Series)Note: For multiple connection of 16HP system or more,

Si34-601A Test OperationTest Operation 1591.3 Operation When Power is Turned On1.3.1 When Turning On Power First TimeThe unit cannot be run for up to

Outdoor Unit PC Board Layout Si34-601A160 Test Operation2. Outdoor Unit PC Board LayoutOutdoor unit PC boardBS1MODE SET RETURN TEST RESETBS2 BS3 BS4 B

Si34-601A Field SettingTest Operation 1613. Field Setting3.1 Field Setting from Remote ControllerIndividual function of indoor unit can be changed fro

Field Setting Si34-601A162 Test Operation3.1.2 Wireless Remote Controller - Indoor UnitBRC7C typeBRC7E typeBRC4C type1. When in the normal mode, push

Si34-601A Field SettingTest Operation 1633.1.3 Simplified Remote ControllerBRC2A51BRC2C511. Remove the upper part of remote controller.2. When in the

Field Setting Si34-601A164 Test Operation3.1.4 Setting Contents and Code No. – VRV Indoor unit Notes : 1. Settings are made simultaneously for the ent

Si34-601A Field SettingTest Operation 1653.1.5 Applicable range of Field setting∗1 Static pressure selectionCeiling mounted cassette type Slim Ceiling

Field Setting Si34-601A166 Test Operation3.1.6 Detailed Explanation of Setting ModesFilter Sign SettingIf switching the filter sign ON time, set as gi

Si34-601A Field SettingTest Operation 167Auto Restart after Power Failure ResetFor the air conditioners with no setting for the function (same as fact

Field Setting Si34-601A168 Test OperationAir Flow Direction SettingSet the air flow direction of indoor units as given in the table below. (Set when o

Si34-601A Model SelectionGeneral Information 74. Model SelectionVRV III Heat Pump SeriesConnectable indoor units number and capacityNormal SeriesHP 5H

Si34-601A Field SettingTest Operation 1693.1.7 Outdoor Air Processing Unit-Field Setting (Remote Controller)Note) Bold face in indicates the default s

Field Setting Si34-601A170 Test Operation3.1.8 Centralized Control Group No. SettingBRC1A Type In order to conduct the central remote control using th

Si34-601A Field SettingTest Operation 171BRC7C TypeBRC7E TypeBRC4C TypeGroup No. setting by wireless remote controller for centralized control1. Whe

Field Setting Si34-601A172 Test Operation3.1.9 Setting of Operation Control Mode from Remote Controller (Local Setting)The operation control mode is c

Si34-601A Field SettingTest Operation 173How to Select Operation ModeWhether operation by remote controller will be possible or not for turning on/off

Field Setting Si34-601A174 Test Operation3.2 Field Setting from Outdoor Unit3.2.1 Field Setting from Outdoor UnitList of Field Setting ItemsThis foll

Si34-601A Field SettingTest Operation 175For setting items of (*1), refer to detailed information provided on page 174 onward.Setting item Content and

Field Setting Si34-601A176 Test OperationSetting by dip switchesUsing dip switches on the PC board enables field setting shown below. However, make n

Si34-601A Field SettingTest Operation 177“Detail of DS1-1~4, DS2-1~4 setting” (for Overseas general)Unit Setting method ( represents the position of

Field Setting Si34-601A178 Test OperationSetting by pushbutton switchesThe following settings are made by pushbutton switches on PC board.In case of

Model Selection Si34-601A8 General InformationHigh COP Series (Energy Saving Series)HP 16HP 18HPSystem name RXYQ16PH RXYQ18PHOutdoor unit 1 RXYQ8P RXY

Si34-601A Field SettingTest Operation 179a. “Setting mode 1”This mode is used to set and check the following items.1. Set items ············ In order

Field Setting Si34-601A180 Test OperationNo. Setting item Description0Degital pressure gauge kit displayUsed to make setting of contents to display on

Si34-601A Field SettingTest Operation 181No. Setting item Description35Setting of difference in elevation for the outdoor unitMake the setting when th

Field Setting Si34-601A182 Test OperationNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PI

Si34-601A Field SettingTest Operation 183No.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PI

Field Setting Si34-601A184 Test OperationThe numbers in the "No." column represent the number of times to press the SET (BS2) button.Setting

Si34-601A Field SettingTest Operation 185Push the SET button and match with the LEDs No. 1 - 15, push the RETURN button, and confirm the data for each

Field Setting Si34-601A186 Test Operation3.2.2 Cool / Heat Mode SwitchingThere are the following 4 cool/heat switching modes.cSet cool/heat separately

Si34-601A Field SettingTest Operation 187d Set Cool / Heat Separately for Each Outdoor Unit System by Cool / Heat SelectorIt does not matter whether

Field Setting Si34-601A188 Test Operatione Set Cool / Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified Master Outd

Si34-601ATable of Contents iR-410A Heat Pump50Hz1. Introduction ...

Si34-601A Model SelectionGeneral Information 9Connectable Indoor UnitNote: FXDQ has following 2 Series, as show below.FXDQ-P, N(A)VET: without Drain P

Si34-601A Field SettingTest Operation 189f Set Cool / Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified Master Outd

Field Setting Si34-601A190 Test OperationSupplementation on e and f.When switching cool/heat for each adapter PC board with the use of more than one a

Si34-601A Field SettingTest Operation 1913.2.3 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting the exte

Field Setting Si34-601A192 Test OperationImage of operation in the case of AImage of operation in the case of BImage of operation in the case of A and

Si34-601A Field SettingTest Operation 193Setting of Demand OperationBy connecting the external contact input to the demand input of the outdoor unit e

Field Setting Si34-601A194 Test OperationImage of operation in the case of AImage of operation in the case of BImage of operation in the case of A and

Si34-601A Field SettingTest Operation 195Detailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)cIn setting mo

Field Setting Si34-601A196 Test Operation{: ON z: OFF 9: BlinkcdeSetting No.Setting contentsSetting No. indication Setting No. indication Settin

Si34-601A Field SettingTest Operation 1973.2.4 Setting of Refrigerant Recovery ModeWhen carrying out the refrigerant collection on site, fully open th

Field Setting Si34-601A198 Test Operation3.2.5 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expansion valv

Model Selection Si34-601A10 General InformationDifferences from Conventional ModelsItemDifferencesObject New model (P Model) Conventional model (MA Mo

Si34-601ATroubleshooting 199Part 6Troubleshooting1. Symptom-based Troubleshooting ...2012. Trouble

Si34-601A200 Troubleshooting3.29 “J9” Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas Pipe Thermistor (R5T) ...

Si34-601A Symptom-based TroubleshootingTroubleshooting 2011. Symptom-based TroubleshootingSymptom Supposed Cause Countermeasure1 The system does not s

Symptom-based Troubleshooting Si34-601A202 TroubleshootingSymptom Supposed Cause Countermeasure7 The system conducts fan operation but not cooling or

Si34-601A Symptom-based TroubleshootingTroubleshooting 203Symptom Supposed Cause Countermeasure12 Dust comes out from the system.Dust comes out from t

Troubleshooting by Remote Controller Si34-601A204 Troubleshooting2. Troubleshooting by Remote Controller2.1 The INSPECTION / TEST ButtonThe following

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 2052.2 Self-diagnosis by Wired Remote Controller Explanation If operation stops due to m

Troubleshooting by Remote Controller Si34-601A206 Troubleshooting2.3 Self-diagnosis by Wireless Remote ControllerIn the Case of BRC7C TypeBRC7E TypeBR

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 207The lower digit of the code changes as shown below when the UP and DOWN buttons are

Troubleshooting by Remote Controller Si34-601A208 Troubleshooting

Si34-601ASpecifications 11Part 2Specifications1. Specifications ...

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 2092.4 Operation of The Remote Controller’s Inspection / Test Operation ButtonInspection

Troubleshooting by Remote Controller Si34-601A210 Troubleshooting2.5 Remote Controller Service ModeHow to Enter the Service ModeService Mode Operation

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 211Mode NoFunction Contents and operation method Remote controller display example40Malf

Troubleshooting by Remote Controller Si34-601A212 Troubleshooting2.6 Remote Controller Self-Diagnosis FunctionThe remote controller switches are equip

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 213 8: ON 7: OFF 9: BlinkMalfunction codeOperation lamp Inspection displayUnit No

Troubleshooting by Remote Controller Si34-601A214 TroubleshootingOutdoor Unit LA 999Malfunction of power unit —LC 999Malfunction of transmission betwe

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 215

Troubleshooting by Remote Controller Si34-601A216 TroubleshootingMalfunction code indication by outdoor unit PC board<Selection of setting item>

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 2178: ON 7: OFF 9:BlinkMalfunction codeConfirmation of malfunction 1 Confirmation

Troubleshooting by Remote Controller Si34-601A218 Troubleshooting<Selection of setting item><Monitor mode><Confirmation of malfunction

Specifications Si34-601A12 Specifications1. Specifications1.1 Outdoor UnitsHeat Pump 50Hz Standard Series <RXYQ-P>Notes:★1 Indoor temp. : 27°CDB

Si34-601A Troubleshooting by Remote ControllerTroubleshooting 2198: ON 7: OFF 9:BlinkMalfunction codeConfirmation of malfunction 1 Confirmation

Troubleshooting by Indication on the Remote Controller Si34-601A220 Troubleshooting3. Troubleshooting by Indication on the Remote Controller3.1“A0” In

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2213.2“A1” Indoor Unit: PC Board DefectRemote Controller DisplayA1Appl

Troubleshooting by Indication on the Remote Controller Si34-601A222 Troubleshooting3.3“A3” Indoor Unit: Malfunction of Drain Level Control System (S1L

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 223Troubleshooting(V2778)CautionBe sure to turn off power switch befor

Troubleshooting by Indication on the Remote Controller Si34-601A224 Troubleshooting3.4“A6” Indoor Unit: Fan Motor (M1F) Lock, OverloadRemote Controlle

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2253.5“A7” Indoor Unit: Malfunction of Swing Flap Motor (M1S)Remote Co

Troubleshooting by Indication on the Remote Controller Si34-601A226 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conne

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2273.6“A9” Indoor Unit: Malfunction of Moving Part of Electronic Expan

Troubleshooting by Indication on the Remote Controller Si34-601A228 Troubleshooting∗1: Coil check method for the moving part of the electronic expansi

Si34-601A SpecificationsSpecifications 13Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2293.7“AF” Indoor Unit: Drain Level above LimitRemote Controller Displ

Troubleshooting by Indication on the Remote Controller Si34-601A230 Troubleshooting3.8“AJ” Indoor Unit: Malfunction of Capacity Determination DeviceRe

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2313.9“C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Excha

Troubleshooting by Indication on the Remote Controller Si34-601A232 Troubleshooting3.10“C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2333.11“C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction A

Troubleshooting by Indication on the Remote Controller Si34-601A234 Troubleshooting3.12“CJ” Indoor Unit: Malfunction of Thermostat Sensor in Remote Co

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2353.13“E1” Outdoor Unit: PC Board DefectRemote Controller DisplayE1Ap

Troubleshooting by Indication on the Remote Controller Si34-601A236 Troubleshooting3.14“E3” Outdoor Unit: Actuation of High Pressure SwitchRemote Cont

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 237TroubleshootingNOYESYESYESNONOYESNOYESNO+5V(4)(3)(2)(1)Check for th

Troubleshooting by Indication on the Remote Controller Si34-601A238 Troubleshooting3.15“E4” Outdoor Unit: Actuation of Low Pressure SensorRemote Contr

Specifications Si34-601A14 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 239TroubleshootingNOYESNOYESNOYESCHECK 4Is the stopvalve open?Open the

Troubleshooting by Indication on the Remote Controller Si34-601A240 Troubleshooting3.16“E5” Outdoor Unit: Inverter Compressor Motor LockRemote Control

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 241TroubleshootingCautionBe sure to turn off power switch before conne

Troubleshooting by Indication on the Remote Controller Si34-601A242 Troubleshooting3.17“E6” Outdoor Unit: STD Compressor Motor Overcurrent/LockRemote

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2433.18“E7” Outdoor Unit: Malfunction of Outdoor Unit Fan MotorRemote

Troubleshooting by Indication on the Remote Controller Si34-601A244 TroubleshootingTroubleshootingAre there any foreign matters around the fan?YESNONO

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 245TroubleshootingNote: Refer check 1 and 2 to P.311.Check 1Check for

Troubleshooting by Indication on the Remote Controller Si34-601A246 Troubleshooting3.19“E9” Outdoor Unit: Malfunction of Moving Part of Electronic Exp

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 247Troubleshooting(V3067)(Orange) 1Measuring points1 - 62 - 63 - 64 -

Troubleshooting by Indication on the Remote Controller Si34-601A248 Troubleshooting3.20“F3” Outdoor Unit: Abnormal Discharge Pipe TemperatureRemote Co

Si34-601A SpecificationsSpecifications 15Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2493.21“F6” Outdoor Unit: Refrigerant OverchargedRemote Controller Dis

Troubleshooting by Indication on the Remote Controller Si34-601A250 Troubleshooting3.22“H7” Outdoor Unit: Abnormal Outdoor Fan Motor SignalRemote Cont

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2513.23“H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor

Troubleshooting by Indication on the Remote Controller Si34-601A252 Troubleshooting3.24“J2” Outdoor Unit: Current Sensor MalfunctionRemote Controller

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2533.25“J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3

Troubleshooting by Indication on the Remote Controller Si34-601A254 Troubleshooting3.26“J5” Outdoor Unit: Malfunction of Thermistor (R2T), (R7T) for S

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2553.27“J6” Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor

Troubleshooting by Indication on the Remote Controller Si34-601A256 Troubleshooting3.28“J7” Outdoor Unit: Malfunction of Liquid Pipe Thermistor (R6T)R

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2573.29“J9” Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas

Troubleshooting by Indication on the Remote Controller Si34-601A258 Troubleshooting3.30“JA” Outdoor Unit: Malfunction of High Pressure SensorRemote Co

Specifications Si34-601A16 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2593.31 “JC” Outdoor Unit: Malfunction of Low Pressure SensorRemote Co

Troubleshooting by Indication on the Remote Controller Si34-601A260 Troubleshooting3.32“L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Temper

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 261Inverter PCB for compressor∗ Refer to “Thermistor Resistance / Temp

Troubleshooting by Indication on the Remote Controller Si34-601A262 Troubleshooting3.33“L5” Outdoor Unit: Inverter Compressor AbnormalRemote Controlle

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 263TroubleshootingAPower ONPower OFFPower OFFPower ONNONONOYESYESYESYE

Troubleshooting by Indication on the Remote Controller Si34-601A264 Troubleshooting3.34“L8” Outdoor Unit: Inverter Current AbnormalRemote Controller D

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 265TroubleshootingPower ONYESYESNONOIs a difference between high press

Troubleshooting by Indication on the Remote Controller Si34-601A266 Troubleshooting3.35“L9” Outdoor Unit: Inverter Start up ErrorRemote Controller Dis

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 267TroubleshootingPower ONYESYESNONOIs a difference between high press

Troubleshooting by Indication on the Remote Controller Si34-601A268 Troubleshooting3.36“LC” Outdoor Unit: Malfunction of Transmission Between Inverter

Si34-601A SpecificationsSpecifications 17Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 269TroubleshootingCautionBe sure to turn off power switch before conne

Troubleshooting by Indication on the Remote Controller Si34-601A270 TroubleshootingTroubleshootingPower ONYESNONONONOYESYESYESIs the micro controller

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2713.37“P1” Outdoor Unit: Inverter Over-Ripple ProtectionRemote Contro

Troubleshooting by Indication on the Remote Controller Si34-601A272 Troubleshooting3.38“P4” Outdoor Unit: Malfunction of Inverter Radiating Fin Temper

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 273Inverter PCB for compressor∗ Refer to “Thermistor Resistance / Temp

Troubleshooting by Indication on the Remote Controller Si34-601A274 Troubleshooting3.39“PJ” Outdoor Unit: Faulty Field Setting after Replacing Main PC

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2753.40“UO” Outdoor Unit: Low Pressure Drop Due to Refrigerant Shortag

Troubleshooting by Indication on the Remote Controller Si34-601A276 Troubleshooting3.41“U1” Reverse Phase, Open PhaseRemote Controller DisplayU1Applic

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2773.42“U2” Outdoor Unit: Power Supply Insufficient or Instantaneous F

Troubleshooting by Indication on the Remote Controller Si34-601A278 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conne

Specifications Si34-601A18 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 279TroubleshootingPower ONPower OFFIf any wiring has damage, replace t

Troubleshooting by Indication on the Remote Controller Si34-601A280 Troubleshooting3.43“U3” Outdoor Unit: Check Operation not ExecutedRemote Controlle

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2813.44“U4” Malfunction of Transmission Between Indoor UnitsRemote Con

Troubleshooting by Indication on the Remote Controller Si34-601A282 TroubleshootingTroubleshooting(V2822)CautionBe sure to turn off power switch befor

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2833.45“U5” Indoor Unit: Malfunction of Transmission Between Remote Co

Troubleshooting by Indication on the Remote Controller Si34-601A284 Troubleshooting3.46“U7” Indoor Unit: Malfunction of Transmission Between Outdoor U

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 285Troubleshooting(V2824)CautionBe sure to turn off power switch befor

Troubleshooting by Indication on the Remote Controller Si34-601A286 Troubleshooting3.47“U8” Indoor Unit: Malfunction of Transmission Between Main and

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2873.48“U9” Indoor Unit: Malfunction of Transmission Between Indoor an

Troubleshooting by Indication on the Remote Controller Si34-601A288 Troubleshooting3.49“UA” Improper Combination of Indoor and Outdoor Units, Indoor U

Si34-601Aii Table of Contents3. Special Control...1093.1 Startup Cont

Si34-601A SpecificationsSpecifications 19Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 289Troubleshooting∗The number of indoor units that can be connected to

Troubleshooting by Indication on the Remote Controller Si34-601A290 Troubleshooting3.50“UC” Address Duplication of Centralized ControllerRemote Contro

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2913.51“UE” Malfunction of Transmission Between Centralized Controller

Troubleshooting by Indication on the Remote Controller Si34-601A292 TroubleshootingTroubleshooting(V2822)CautionBe sure to turn off power switch befor

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 293TroubleshootingIs the voltage between the terminals F1 (+) and F2 (

Troubleshooting by Indication on the Remote Controller Si34-601A294 Troubleshooting3.52“UF” System is not Set yetRemote Controller DisplayUFApplicable

Si34-601A Troubleshooting by Indication on the Remote ControllerTroubleshooting 2953.53“UH” Malfunction of System, Refrigerant System Address Undefine

Troubleshooting by Indication on the Remote Controller Si34-601A296 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before conne

Si34-601A Troubleshooting (OP: Central Remote Controller)Troubleshooting 2974. Troubleshooting (OP: Central Remote Controller)4.1“M1” PC Board DefectR

Troubleshooting (OP: Central Remote Controller) Si34-601A298 Troubleshooting4.2“M8” Malfunction of Transmission Between Optional Controllers for Centr

Specifications Si34-601A20 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting (OP: Central Remote Controller)Troubleshooting 299TroubleshootingCautionBe sure to turn off power switch before connect or d

Troubleshooting (OP: Central Remote Controller) Si34-601A300 Troubleshooting4.3“MA” Improper Combination of Optional Controllers for Centralized Contr

Si34-601A Troubleshooting (OP: Central Remote Controller)Troubleshooting 301TroubleshootingCautionBe sure to turn off power switch before connect or d

Troubleshooting (OP: Central Remote Controller) Si34-601A302 Troubleshooting4.4“MC” Address Duplication, Improper SettingRemote Controller DisplayMCAp

Si34-601A Troubleshooting (OP: Central Remote Controller)Troubleshooting 303Master-Slave Unit Setting TableCombination of Intelligent Touch Controller

Troubleshooting (OP: Central Remote Controller) Si34-601A304 TroubleshootingProcedures for Detecting Broken Wires in Transmission Wiring for Control1.

Si34-601A Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 3055. Troubleshooting (OP: Unified ON/OFF Controller)5.1 Operation Lamp Blink

Troubleshooting (OP: Unified ON/OFF Controller) Si34-601A306 TroubleshootingTroubleshooting(V2841)CautionBe sure to turn off power switch before conne

Si34-601A Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 3075.2 Display “Under Centralized Control” Blinks (Repeats Single Blink)Remot

Troubleshooting (OP: Unified ON/OFF Controller) Si34-601A308 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or d

Si34-601A SpecificationsSpecifications 21Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 309NONOCannot be used in combination with a wiring adaptor for electrical app

Troubleshooting (OP: Unified ON/OFF Controller) Si34-601A310 Troubleshooting5.3 Display “Under Centralized Control” Blinks (Repeats Double Blink)Remot

Si34-601A Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 311Check No. 1 Check on connector of fan motor (Power supply cable)(1) Turn o

Troubleshooting (OP: Unified ON/OFF Controller) Si34-601A312 Troubleshooting[CHECK 3] Check for causes of rise in high pressureReferring to the Fault

Si34-601A Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 313[CHECK 4] Check for causes of drop in low pressureReferring to the Fault T

Troubleshooting (OP: Unified ON/OFF Controller) Si34-601A314 Troubleshooting

Si34-601AAppendix 315Part 7Appendix1. Piping Diagrams...3161.1 Outdoor

Piping Diagrams Si34-601A316 Appendix1. Piping Diagrams1.1 Outdoor UnitRXYQ5PY13D050782

Si34-601A Piping DiagramsAppendix 317RXYQ8P3D050783

Piping Diagrams Si34-601A318 AppendixRXYQ10P / 12PY13D050784

Specifications Si34-601A22 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Piping DiagramsAppendix 319RXYQ14P / 16P / 18PY13D050785

Piping Diagrams Si34-601A320 Appendix1.2 Indoor UnitFXCQ, FXFQ, FXKQ, FXSQ, FXMQ, FXHQ, FXAQ, FXLQ, FXNQ DU220-602JHeat exchanger(4)(1)Gas piping conn

Si34-601A Piping DiagramsAppendix 321FXZQRefrigerant pipe connection port diameters(mm)Model Gas LiquidFXZQ20M / 25M / 32M / 40M / 50M φ12.7 φ6.4

Piping Diagrams Si34-601A322 AppendixFXDQRefrigerant pipe connection port diametersFXMQ125MF / 200MF / 250MFV1Refrigerant pipe connection port diame

Si34-601A Piping DiagramsAppendix 323FXUQ + BEVQIndoor unitConnection Unit 4D037995F4D034127B

Wiring Diagrams for Reference Si34-601A324 Appendix2. Wiring Diagrams for Reference2.1 Outdoor UnitRXYQ5PY13D050453G

Si34-601A Wiring Diagrams for ReferenceAppendix 325RXYQ8PY13D050454J

Wiring Diagrams for Reference Si34-601A326 AppendixRXYQ10PY13D050455H

Si34-601A Wiring Diagrams for ReferenceAppendix 327RXYQ12PY13D051890G

Wiring Diagrams for Reference Si34-601A328 AppendixRXYQ14P / 16P / 18PY13D050456H

Si34-601A SpecificationsSpecifications 23Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Wiring Diagrams for ReferenceAppendix 3292.2 Field WiringRXYQ5P / 8P / 10P / 12P / 14P / 16P / 18PY13D051452D

Wiring Diagrams for Reference Si34-601A330 AppendixRXYQ20P / 22P / 24P / 26P / 28P / 30P / 32PY13D052261B

Si34-601A Wiring Diagrams for ReferenceAppendix 331RXYQ34P / 36P / 38P / 40P / 42P / 44P / 46P / 48P / 50P / 52P / 54PY1C: 3D052262B

Wiring Diagrams for Reference Si34-601A332 Appendix2.3 Indoor UnitFXCQ20M / 25M / 32M / 63MVE3D039556A

Si34-601A Wiring Diagrams for ReferenceAppendix 333FXCQ40M / 50M / 80M/ 125MVE3D039557A

Wiring Diagrams for Reference Si34-601A334 AppendixFXFQ25M / 32M / 40M / 50M / 63M / 80M / 100M / 125MVE3D039600A

Si34-601A Wiring Diagrams for ReferenceAppendix 335FXZQ20M / 25M / 32M / 40M / 50M7V1B3D038359

Wiring Diagrams for Reference Si34-601A336 AppendixFXKQ25MA / 32MA / 40MA / 63MAVE3D039564C

Si34-601A Wiring Diagrams for ReferenceAppendix 337FXDQ20P / 25P / 32PFXDQ20NA / 25NA / 32NA / 40NA / 50NA / 63NAVE (with Drain Pump)3D045500C

Wiring Diagrams for Reference Si34-601A338 AppendixFXDQ20P / 25P / 32PFXDQ20N / 25N / 32N / 40N / 50N / 63NVET (without Drain Pump) 3D049604A

Specifications Si34-601A24 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Wiring Diagrams for ReferenceAppendix 339FXSQ20M / 25M / 32M / 40M / 50M / 63M / 80M / 100M / 125MVE3D039561A

Wiring Diagrams for Reference Si34-601A340 AppendixFXMQ40MA / 50MA / 63MA / 80MA / 100MA / 125MAVE3D039620B

Si34-601A Wiring Diagrams for ReferenceAppendix 341FXMQ200MA / 250MAVE3D039621B

Wiring Diagrams for Reference Si34-601A342 AppendixFXHQ32MA / 63MA / 100MAVE3D039801D

Si34-601A Wiring Diagrams for ReferenceAppendix 343FXAQ20MA / 25MA / 32MAVE / 40MA / 50MA / 63MAVE3D034206C

Wiring Diagrams for Reference Si34-601A344 AppendixFXLQ20MA / 25MA / 32MA / 40MA / 50MA / 63MAVEFXNQ20MA / 25MA / 32MA / 40MA / 50MA / 63MAVE3D039826D

Si34-601A Wiring Diagrams for ReferenceAppendix 345FXUQ71MA / 100MA / 125MAV13D044973A

Wiring Diagrams for Reference Si34-601A346 AppendixFXMQ125MF / 200MF / 250MFV13D044996C

Si34-601A Wiring Diagrams for ReferenceAppendix 347BEVQ71MA / 100MA / 125MAVE3D044901B

List of Electrical and Functional Parts Si34-601A348 Appendix3. List of Electrical and Functional Parts3.1 Outdoor Unit3.1.1 RXYQ5PY1~8PY1Item Name Sy

Si34-601A SpecificationsSpecifications 25Heat Pump 50Hz High COP Series <RXYQ-PH>Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°C

Si34-601A List of Electrical and Functional PartsAppendix 3493.1.2 RXYQ10PY1~12PY1Item Name SymbolModelRXYQ10PY1 RXYQ12PY1CompressorInverterTypeM1CJT1

List of Electrical and Functional Parts Si34-601A350 AppendixItem Name SymbolModelRXYQ14PY1 RXYQ16PY1 RXYQ18PY1CompressorInverterTypeM1CJT1GCVDKYR@SOC

Si34-601A List of Electrical and Functional PartsAppendix 3513.2 Indoor Side3.2.1 Indoor UnitParts NameSymbolModelRemarkFXFQ25MVEFXFQ32MVEFXFQ40MVEFXF

List of Electrical and Functional Parts Si34-601A352 Appendix∗only for FXDQ20~63N(A)VE, FXDQ20~32PVE (with Drain Pump Type)Parts NameSymbolModelRemark

Si34-601A List of Electrical and Functional PartsAppendix 353Parts NameSymbolModelRemarkFXSQ20MVEFXSQ25MVEFXSQ32MVEFXSQ40MVEFXSQ50MVEFXSQ63MVEFXSQ80MV

List of Electrical and Functional Parts Si34-601A354 AppendixParts NameSymbolModelRemarkFXHQ32MAVEFXHQ63MAVEFXHQ100MAVERemoteControllerWired Remote Co

Si34-601A List of Electrical and Functional PartsAppendix 355Parts NameSymbolModelRemarkFXLQ20MAVEFXLQ25MAVEFXLQ32MAVEFXLQ40MAVEFXLQ50MAVEFXLQ63MAVERe

List of Electrical and Functional Parts Si34-601A356 AppendixParts NameSymbolModelRemarkFXUQ71MAV1 FXUQ100MAV1 FXUQ125MAV1RemoteControllerWired Remote

Si34-601A Option ListAppendix 3574. Option List4.1 Option List of ControllersOperation Control System Optional AccessoriesNote:1. Installation box (No

Option List Si34-601A358 AppendixBuilding management systemNotes:★1. PPD does not support Connection Unit Series.★2. BACnet® is a registered trademark

Specifications Si34-601A26 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Option ListAppendix 3594.2 Option Lists (Outdoor Unit)RXYQ5 ~ 18PY1C:3D053052ARXYQ20 ~ 36PY1C:3D053052ARXYQ38 ~ 54PY1C:3D053052ANote): Orde

Option List Si34-601A360 AppendixRXYQ16 ~ 18PHY1C:3D053053ARXYQ24 ~ 30PHY1C:3D053053ARXYQ32 ~ 50PHY1C:3D053053ANote): Order productsOptional accessor

Si34-601A Piping Installation PointAppendix 3615. Piping Installation Point5.1 Piping Installation PointMaximum length from a connectionkit. 10m or l

Piping Installation Point Si34-601A362 Appendix5.2 The Example of A Wrong PatternNote): Available on request if the outdoor unit is above.Max.allowab

Si34-601A Example of connection (R-410A Type)Appendix 3636. Example of connection (R-410A Type)Example of connection(Connection of 8 indoor units)Sing

Example of connection (R-410A Type) Si34-601A364 Appendix∗Note 1When the equivalent pipe length between outdoor and indoor units is 90m or more, the s

Si34-601A Thermistor Resistance / Temperature CharacteristicsAppendix 3657. Thermistor Resistance / Temperature CharacteristicsIndoor unit For air suc

Thermistor Resistance / Temperature Characteristics Si34-601A366 AppendixOutdoor Unit Thermistors for Discharge Pipe (R3T, R31∼33T)(kΩ)T°C 0.0 0.5 T°C

Si34-601A Pressure SensorAppendix 3678. Pressure SensorHigh Pressure (PH)Low Pressure (PL)PH : Detected Pressure [High Side] MPaPL : Detected Pressure

Method of Checking The Inverter’s Power Transistors and Diode Modules Si34-601A368 Appendix9. Method of Checking The Inverter’s Power Transistors and

Si34-601A SpecificationsSpecifications 27Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Method of Checking The Inverter’s Power Transistors and Diode ModulesAppendix 3691. Power module checking2. Diode module checkingWhen using

Method of Checking The Inverter’s Power Transistors and Diode Modules Si34-601A370 Appendix

Si34-601APrecautions for New Refrigerant (R-410A) 371Part 8Precautions for NewRefrigerant (R-410A)1. Precautions for New Refrigerant (R-410A) ...

Precautions for New Refrigerant (R-410A) Si34-601A372 Precautions for New Refrigerant (R-410A)1. Precautions for New Refrigerant (R-410A)1.1 Outline1.

Si34-601A Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 373Thermodynamic characteristic of R-410ATemperature( )Ste

Precautions for New Refrigerant (R-410A) Si34-601A374 Precautions for New Refrigerant (R-410A)1.2 Refrigerant CylindersCylinder specifications2 The c

Si34-601A Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 3751.3 Service ToolsR-410A is used under higher working pre

Precautions for New Refrigerant (R-410A) Si34-601A376 Precautions for New Refrigerant (R-410A)1. Flaring toolSpecifications2 Dimension ADifferences2

Si34-601A Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 3772. Torque wrenchSpecifications2 Dimension B Unit:mmNo c

Precautions for New Refrigerant (R-410A) Si34-601A378 Precautions for New Refrigerant (R-410A)4. Leak testerSpecifications2 Hydrogen detecting type,

Specifications Si34-601A28 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 3792 Temperature scale indicates the relationship between p

Precautions for New Refrigerant (R-410A) Si34-601A380 Precautions for New Refrigerant (R-410A)9. Weigher for refrigerant chargeSpecifications2 High a

Si34-601AIndex iIndexAA0 ...220A1 ...

Si34-601Aii IndexL5 ...262L8 ...

Si34-601AIndex iiiSetting of Low Noise Operation and Demand Operation ...191Special Control ...

Si34-601Aiv Index

Si34-601ADrawings & Flow Charts vDrawings & Flow ChartsAAbnormal Discharge Pipe Temperature ...248Abnormal Outdoor Fan Motor Signa

Si34-601Avi Drawings & Flow ChartsMalfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger ...255Malfunction of Thermostat S

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

Si34-601ATable of Contents iii2.4 Operation of The Remote Controller’s Inspection / Test Operation Button ...

Si34-601A SpecificationsSpecifications 29Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si34-601A30 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A SpecificationsSpecifications 31Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Specifications Si34-601A32 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level di

Si34-601A SpecificationsSpecifications 331.2 Indoor UnitsCeiling Mounted Cassette Type (Double Flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor

Specifications Si34-601A34 SpecificationsCeiling Mounted Cassette Type (Double Flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si34-601A SpecificationsSpecifications 35Ceiling Mounted Cassette Type (Multi-flow) Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Specifications Si34-601A36 SpecificationsCeiling Mounted Cassette Type (Multi-flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si34-601A SpecificationsSpecifications 37600×600 Ceiling Mounted Cassette Type (Multi Flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outside temp.: 3

Specifications Si34-601A38 Specifications600×600 Ceiling Mounted Cassette Type (Multi Flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outside temp.: 3

Si34-601Aiv Table of Contents3.38 “P4” Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Sensor...272

Si34-601A SpecificationsSpecifications 39Ceiling Mounted Cassette Corner TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equiva

Specifications Si34-601A40 SpecificationsSlim Ceiling Mounted Duct Type (with Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°C

Si34-601A SpecificationsSpecifications 41Slim Ceiling Mounted Duct Type (with Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°C

Specifications Si34-601A42 SpecificationsSlim Ceiling Mounted Duct Type (without Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 3

Si34-601A SpecificationsSpecifications 43Slim Ceiling Mounted Duct Type (without Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 3

Specifications Si34-601A44 SpecificationsSlim Ceiling Mounted Duct Type (PVE: with Drain Pump PVET: without Drain Pump)Notes:★1 Indoor temp. : 27°CDB,

Si34-601A SpecificationsSpecifications 45Ceiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Specifications Si34-601A46 SpecificationsCeiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Si34-601A SpecificationsSpecifications 47Ceiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Specifications Si34-601A48 SpecificationsCeiling Mounted Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Si34-601ATable of Contents v4.2 Option Lists (Outdoor Unit)...3595. Piping Installatio

Si34-601A SpecificationsSpecifications 49Ceiling Mounted Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Specifications Si34-601A50 SpecificationsCeiling Suspended TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping le

Si34-601A SpecificationsSpecifications 51Wall Mounted TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length:

Specifications Si34-601A52 SpecificationsWall Mounted TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CDB / Equivalent piping length:

Si34-601A SpecificationsSpecifications 53Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping lengt

Specifications Si34-601A54 SpecificationsFloor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping lengt

Si34-601A SpecificationsSpecifications 55Concealed Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Specifications Si34-601A56 SpecificationsConcealed Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pi

Si34-601A SpecificationsSpecifications 57Ceiling Suspended Cassette TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent

Specifications Si34-601A58 SpecificationsOutdoor Air Processing UnitNotes:★1. Specifications are based on the following conditions:· Cooling: Outdoor

Introduction Si34-601Avi1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repair

Si34-601ARefirgerant Circuit 59Part 3Refrigerant Circuit1. Refrigerant Circuit ...

Refrigerant Circuit Si34-601A60 Refirgerant Circuit1. Refrigerant Circuit1.1 RXYQ5PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C In

Si34-601A Refrigerant CircuitRefirgerant Circuit 61RXYQ5P3D050782 562KTEDMNAPOWGJ431

Refrigerant Circuit Si34-601A62 Refirgerant Circuit1.2 RXYQ8PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compressor (INV

Si34-601A Refrigerant CircuitRefirgerant Circuit 63RXYQ8P3D050783 5762314DNAPMOWTEFVGJ

Refrigerant Circuit Si34-601A64 Refirgerant Circuit1.3 RXYQ10P, 12PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compresso

Si34-601A Refrigerant CircuitRefirgerant Circuit 65RXYQ10P, 12P3D05078486FVG7JOXBQDMNUWAP24315E

Refrigerant Circuit Si34-601A66 Refirgerant Circuit1.4 RXYQ14P, 16P, 18PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter comp

Si34-601A Refrigerant CircuitRefirgerant Circuit 67RXYQ14P, 16P, 18POXYB CRWA 798213D0507855643MNUEFVGJPQD

Refrigerant Circuit Si34-601A68 Refirgerant Circuit1.5 Outdoor air processing unit FXMQ125MFV1~250MFV11.5.1 Refrigerant SystemMain Control Equipment∗S

Si34-601A Introductionvii1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the eq

Si34-601A Functional Parts LayoutRefirgerant Circuit 692. Functional Parts Layout2.1 RXYQ5PPlanFront ViewTHERMISTORACCUMULATORAccumulator ass'yHe

Functional Parts Layout Si34-601A70 Refirgerant Circuit2.2 RXYQ8PPlanFront ViewTHERMISTORAccumulatorHigh pressure sensor(S1NPH)Heat exchangerTHERMISTO

Si34-601A Functional Parts LayoutRefirgerant Circuit 712.3 RXYQ10P, 12P (12P: EUROPE)PlanFront ViewTHERMISTORTHERMISTORAccumulatorHeat exchangerTHERMI

Functional Parts Layout Si34-601A72 Refirgerant Circuit2.4 RXYQ12PPlanFront ViewTHERMISTOR (MIC, DISCHARGE PIPE)(R31T)PRESSURE SWITCH (HIGH PRESSURE P

Si34-601A Functional Parts LayoutRefirgerant Circuit 732.5 RXYQ14P, 16P, 18PPlanFront ViewTHERMISTORTHERMISTORTHERMISTORAccumulatorHeat exchangerTHERM

Refrigerant Flow for Each Operation Mode Si34-601A74 Refirgerant Circuit3. Refrigerant Flow for Each Operation ModeRXYQ5PCooling Operation" ON &q

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 75Cooling Oil Return OperationThermostat "OFF" " OFF " "

Refrigerant Flow for Each Operation Mode Si34-601A76 Refirgerant CircuitHeating Oil Return & Defrost Operation Thermostat "ON"EV:41

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 77Heating Operation " OFF " " ON "" ON "EV:200

Refrigerant Flow for Each Operation Mode Si34-601A78 Refirgerant CircuitRXYQ8PCooling Operation " OFF "" ON " " ON "

Introduction Si34-601Aviii1.1.3 Inspection after RepairBe sure to use the specified cable to connect between the indoor and outdoor units. Make the co

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 79Cooling Oil Return " OFF "" ON "" ON "EV:224pls

Refrigerant Flow for Each Operation Mode Si34-601A80 Refirgerant CircuitHeating Oil Return & Defrost " OFF " " ON "" ON &

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 81Heating Operation " OFF " " ON "" ON "EV:20

Refrigerant Flow for Each Operation Mode Si34-601A82 Refirgerant CircuitRXYQ10P, 12PCooling Operation " OFF "" ON " " ON

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 83Cooling Oil Return" OFF "" ON "" ON "EV:224pls E

Refrigerant Flow for Each Operation Mode Si34-601A84 Refirgerant CircuitHeating Oil Return & Defrost" OFF " " ON "" ON &q

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 85Heating Operation " OFF " " ON "" ON "EV:200

Refrigerant Flow for Each Operation Mode Si34-601A86 Refirgerant CircuitRXYQ14P, 16P, 18PCooling Operation " OFF " " ON "" ON

Si34-601A Refrigerant Flow for Each Operation ModeRefirgerant Circuit 87Cooling Oil Return Operation" OFF " " ON "" ON "

Refrigerant Flow for Each Operation Mode Si34-601A88 Refirgerant CircuitHeating Oil Return & Defrost Operation " OFF " " ON "&