Daikin RXQ14P Dokumentacja

RXQ5-54PY1R-410A Cooling Only 50HzSi34 - 704

Si34-704 Introductionix1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is des

Si34-704 Basic ControlFunction 89Compressor Step Control (Multi outdoor unit connection is available on the standard connection system)Compressor ope

Basic Control Si34-70490 Functionrepresents the range in which “Hz” is not stepped up.RXQ20PY1 (8+12HP)(To increase Step No.)STEPNo.Master unit INVSla

Si34-704 Basic ControlFunction 91 represents the range in which “Hz” is not stepped up.RXQ24PY1 (8+16HP)(To increase Step No.)STEPNo.Master unit INVS

Basic Control Si34-70492 Functionrepresents the range in which “Hz” is not stepped up.RXQ28PY1, 30PY1 (10/12+18HP)(To increase Step No.)STEPNo.Master

Si34-704 Basic ControlFunction 93represents the range in which “Hz” is not stepped up.Notes:1. INV : Inverter compressorSTD : Standard compressorFigur

Basic Control Si34-70494 Functionrepresents the range in which “Hz” is not stepped up.RXQ 40PY1 (8+16+16HP)(To increase Step No.)STEPNo.Master unit IN

Si34-704 Basic ControlFunction 95represents the range in which “Hz” is not stepped up.(To decrease Step No.)STEPNo.Master unit INVSlave unit1 INVSlave

Basic Control Si34-70496 Functionrepresents the range in which “Hz” is not stepped up.RXQ50PY1, 52PY1 (14/16+18+18HP)(To increase Step No.)STEPNo.Mast

Si34-704 Basic ControlFunction 97RXQ54PY1 (18+18+18HP)(To increase Step No.)STEPNo.Master unit INVSlave unit1 INVSlave unit2 INVSTD1 52 Hz 52 Hz 52 Hz

Basic Control Si34-70498 Function2.3 Electronic Expansion Valve PI ControlMain Motorized Valve EV1 ControlFixed to open fully.Subcooling Motorized Val

Introduction Si34-704x1.2 PREFACEThank you for your continued patronage of Daikin products.This is the new service manual for Daikin's Year 2007

Si34-704 Special ControlFunction 993. Special Control3.1 Startup ControlThis control is used to equalize the pressure in the front and back of the com

Special Control Si34-704100 Function3.2 Oil Return OperationIn order to prevent the compressor from running out of oil, the oil return operation is co

Si34-704 Special ControlFunction 1013.3 Pump-down Residual Operation3.3.1 Pump-down Residual Operation in Cooling OperationIf the liquid refrigerant s

Special Control Si34-704102 Function3.4 Standby3.4.1 Restart StandbyUsed to forcedly stop the compressor for a period of 3 minutes, in order to preven

Si34-704 Special ControlFunction 1033.5 Stopping Operation3.5.1 When System is in Stop Mode (Normal operation stop)This mode is used to define actuato

Special Control Si34-704104 Function3.5.3 Stopping Operation of Slave Units During Master Unit is in Operation with Multi-Outdoor-Unit SystemWhile the

Si34-704 Protection ControlFunction 1054. Protection Control4.1 High Pressure Protection ControlThis high pressure protection control is used to preve

Protection Control Si34-704106 Function4.2 Low Pressure Protection ControlThis low pressure protection control is used to protect compressors against

Si34-704 Protection ControlFunction 1074.3 Discharge Pipe Protection ControlThis discharge pipe protection control is used to protect the compressor i

Protection Control Si34-704108 Function4.4 Inverter Protection ControlInverter current protection control and inverter fin temperature control are per

Si34-704General Information 1Part 1General Information1. Model Names of Indoor/Outdoor Units...22. Ex

Si34-704 Protection ControlFunction 1094.5 STD Compressor Overload ProtectionThis control is used to prevent abnormal heating due to overcurrent to th

Other Control Si34-704110 Function5. Other Control5.1 Outdoor Unit RotationIn the case of multi-outdoor-unit system, this outdoor unit rotation is use

Si34-704 Other ControlFunction 1115.2 Emergency OperationIf the compressor cannot operate, this control inhibits any applicable compressor or outdoor

Other Control Si34-704112 Function5.2.2 In the Case of 1-Outdoor-Unit System (RXQ8P to 18P)[Set the system to operation prohibition mode by compressor

Si34-704 Other ControlFunction 113Note : In order to forcedly clear the automatic backup operation, reset the power supply with the outdoor unit in th

Other Control Si34-704114 Function[Emergency operation with settings in service mode]∗ “Inhibition of operation” is set with each outdoor unit. Make t

Si34-704 Other ControlFunction 1155.3 Demand OperationIn order to save the power consumption, the capacity of outdoor unit is saved with control forci

Outline of Control (Indoor Unit) Si34-704116 Function6. Outline of Control (Indoor Unit)6.1 Drain Pump Control1. The drain pump is controlled by the O

Si34-704 Outline of Control (Indoor Unit)Function 1176.1.3 When the Float Switch is Tripped and “AF” is Displayed on the Remote Controller:Note: If th

Outline of Control (Indoor Unit) Si34-704118 Function6.2 Louver Control for Preventing Ceiling DirtWe have added a control feature that allows you to

Model Names of Indoor/Outdoor Units Si34-7042 General Information1. Model Names of Indoor/Outdoor Units*Indoor UnitsNote:FXDQ has following 2 Series,

Si34-704 Outline of Control (Indoor Unit)Function 1196.3 Thermostat Sensor in Remote ControllerTemperature is controlled by both the thermostat sensor

Outline of Control (Indoor Unit) Si34-704120 Function6.4 Thermostat Control while in Normal Operation VRV multi systems are set at factory to thermost

Si34-704 Outline of Control (Indoor Unit)Function 1216.6 Electronic Expansion Valve Control• Electronic expansion Valve ControlIn cooling, to maximize

Outline of Control (Indoor Unit) Si34-704122 Function6.7 Freeze PreventionFreeze Prevention by Off Cycle (Indoor Unit)When the temperature detected by

Si34-704 Outline of Control (Indoor Unit)Function 1236.8 List of Swing Flap OperationsSwing flaps operate as shown in table below.*1. L or LL only on

Outline of Control (Indoor Unit) Si34-704124 Function6.9 Control of Outdoor Air Processing Unit (Unique Control for Outdoor Air Processing Unit)6.9.1

Si34-704 Outline of Control (Indoor Unit)Function 1256.9.2 Discharge Air Temperature ControlUsed to control the EV (electronic expansion valve) openin

Outline of Control (Indoor Unit) Si34-704126 Function(3) Thermostat OFF by discharge air temperature<Cooling>6.9.3 Low Outdoor Air Temperature P

Si34-704Test Operation 127Part 5Test Operation1. Test Operation ...12

Test Operation Si34-704128 Test Operation1. Test Operation1.1 Installation ProcessBelow Figure shows the installation process. Install in the order of

Si34-704 External AppearanceGeneral Information 32. External Appearance2.1 Indoor UnitsCeiling Mounted Cassette Type (Double Flow)FXCQ20MFXCQ25MFXCQ32

Si34-704 Test OperationTest Operation 1291.2 Procedure and OutlineFollow the following procedure to conduct the initial test operation after installat

Test Operation Si34-704130 Test Operation1.2.2 Turn Power On Be sure to turn the power on 6 hours before starting operation to protect compressors. (

Si34-704 Test OperationTest Operation 1311.2.3 Air Tight Test and Vacuum DryingNote:Always use nitrogen gas for the airtightness test.Absolutely do

Test Operation Si34-704132 Test Operation1.2.3.2 Air Tight Test and Vacuum Drying Method After finished piping work, carry out air tight test and vacu

Si34-704 Test OperationTest Operation 133[Shutoff Valve Operation Procedure]When operating the shutoff valve, follow the procedure instructed below.No

Test Operation Si34-704134 Test Operation[How to Check How Many Units are Connected]It is possible to find out how many indoor or outdoor unit in the

Si34-704 Test OperationTest Operation 1351.2.4.2 Procedure of Adding Refrigerant Charging and Check OperationWarning Electric Shock WarningMake sure

Test Operation Si34-704136 Test Operation3. Open the valve C (See the figure 31. The valve A, B and the liquid and gas side shutout valve must be left

Si34-704 Test OperationTest Operation 137[Refrigerant Charging Operation Procedure]STEP1 Open the liquid and gas side shutoff valves (The valve A~C mu

Test Operation Si34-704138 Test OperationNOTE:• For check operation, the following work will be performed.Check of shutoff valve openingCheck of mis

External Appearance Si34-7044 General Information2.2 Outdoor UnitsNormal Series (Space Saving Series)RXQ5P RXQ8P, 10PRXQ20P, 22P, 24P, 26P, 28PRXQ30P,

Si34-704 Test OperationTest Operation 139[Remote controller displays malfunction code]If any malfunction codes other than the above are displayed, che

Test Operation Si34-704140 Test Operation1.2.5 Onsite SettingsNOTE:In the case of a multi system, all onsite settings should be made on the master uni

Si34-704 Test OperationTest Operation 1411.2.6 Test Run1.2.6.1 Before Test Run• Make sure the following works are completed in accordance with the ins

Test Operation Si34-704142 Test Operation1.2.6.3 Checks after Test RunPerform the following checks after the test run is complete.• Record the content

Si34-704 Test OperationTest Operation 1431.3 Operation when Power is Turned On1.3.1 When Turning On Power First TimeThe unit cannot be run for up to 1

Outdoor Unit PC Board Layout Si34-704144 Test Operation2. Outdoor Unit PC Board LayoutOutdoor unit PC boardBS1MODE SET RETURN TEST RESETBS2 BS3 BS4 BS

Si34-704 Field SettingTest Operation 1453. Field Setting3.1 Field Setting from Remote ControllerIndividual function of indoor unit can be changed from

Field Setting Si34-704146 Test Operation3.1.2 Wireless Remote Controller - Indoor UnitBRC7C typeBRC7E typeBRC4C type1. When in the normal mode, push t

Si34-704 Field SettingTest Operation 1473.1.3 Simplified Remote ControllerBRC2A51BRC2C511. Remove the upper part of remote controller.2. When in the n

Field Setting Si34-704148 Test Operation3.1.4 Setting Contents and Code No. – VRV Indoor unit Notes : 1. Settings are made simultaneously for the enti

Si34-704 External AppearanceGeneral Information 5High COP Series (Energy Saving Series)RXQ16PH, 18PH RXQ24PH, 26PHRXQ28PH, 30PH16, 18HP 24, 26HP28, 30

Si34-704 Field SettingTest Operation 1493.1.5 Applicable Range of Field Setting∗1 Static pressure selection3.1.6 Detailed Explanation of Setting Modes

Field Setting Si34-704150 Test OperationExternal ON/OFF inputThis input is used for "ON / OFF operation" and "Protection device input&q

Si34-704 Field SettingTest Operation 151Air Flow Adjustment - Ceiling heightMake the following setting according to the ceiling height. The setting po

Field Setting Si34-704152 Test OperationSetting of Air Flow Direction Adjustment RangeMake the following air flow direction setting according to the r

Si34-704 Field SettingTest Operation 1533.1.8 Centralized Control Group No. SettingBRC1A Type In order to conduct the central remote control using the

Field Setting Si34-704154 Test OperationBRC7C TypeBRC7E TypeBRC4C TypeGroup No. setting by wireless remote controller for centralized control1. When

Si34-704 Field SettingTest Operation 1553.1.9 Setting of Operation Control Mode from Remote Controller (Local Setting)The operation control mode is co

Field Setting Si34-704156 Test OperationHow to Select Operation ModeWhether operation by remote controller will be possible or not for turning on/off,

Si34-704 Field SettingTest Operation 1573.2 Field Setting from Outdoor Unit3.2.1 Field Setting from Outdoor UnitList of Field Setting ItemsThis follo

Field Setting Si34-704158 Test OperationFor setting items of (*1), refer to detailed information provided on page 157 onward.Setting item Content and

Combination of Outdoor Units Si34-7046 General Information3. Combination of Outdoor UnitsNormal Series (Space Saving Series)Note: For multiple connect

Si34-704 Field SettingTest Operation 159Setting by dip switchesUsing dip switches on the PC board enables field setting shown below. However, make no

Field Setting Si34-704160 Test Operation“Detail of DS1-1~4, DS2-1~4 setting” (for Overseas general)Unit Setting method ( represents the position of s

Si34-704 Field SettingTest Operation 161Setting by pushbutton switchesThe following settings are made by pushbutton switches on PC board.In case of m

Field Setting Si34-704162 Test Operationa. “Setting mode 1”This mode is used to set and check the following items.1. Check items ······· The following

Si34-704 Field SettingTest Operation 163No. Setting item Description0Digital pressure gauge kit displayUsed to make setting of contents to display on

Field Setting Si34-704164 Test OperationNo. Setting item Description35Setting of difference in elevation for the outdoor unitMake the setting when the

Si34-704 Field SettingTest Operation 165No.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PIN

Field Setting Si34-704166 Test OperationNo.Setting item displaySetting condition displaySetting itemMODEH1PTESTH2PC/H selectionLow noiseH6PDemandH7PIN

Si34-704 Field SettingTest Operation 167The numbers in the "No." column represent the number of times to press the SET (BS2) button.*1: Numb

Field Setting Si34-704168 Test OperationSetting item 0 Display contents of “Number of units for various settings” EMG operation /backup operation sett

Si34-704 Combination of Outdoor UnitsGeneral Information 7High COP Series (Energy Saving Series)Note: For multiple connection of 16HP system or more,

Si34-704 Field SettingTest Operation 1693.2.2 Setting of Low Noise Operation and Demand OperationSetting of Low Noise OperationBy connecting the exter

Field Setting Si34-704170 Test OperationImage of operation in the case of AImage of operation in the case of BImage of operation in the case of A and

Si34-704 Field SettingTest Operation 171Setting of Demand OperationBy connecting the external contact input to the demand input of the outdoor unit ex

Field Setting Si34-704172 Test OperationImage of operation in the case of AImage of operation in the case of BImage of operation in the case of A and

Si34-704 Field SettingTest Operation 173Detailed Setting Procedure of Low Noise Operation and Demand Control1. Setting mode 1 (H1P off)cIn setting mod

Field Setting Si34-704174 Test Operation{: ON z: OFF 9: BlinkcdeSetting No.Setting contentsSetting No. indication Setting No. indication Setting

Si34-704 Field SettingTest Operation 1753.2.3 Setting of Refrigerant Recovery ModeWhen carrying out the refrigerant collection on site, fully open the

Field Setting Si34-704176 Test Operation3.2.4 Setting of Vacuuming ModeIn order to perform vacuuming operation at site, fully open the expansion valve

Si34-704Troubleshooting 177Part 6Troubleshooting1. Symptom-based Troubleshooting ...1792. Troubles

Si34-704178 Troubleshooting3.29 “J7” Outdoor Unit: Malfunction of Liquid Pipe Thermistor 1 (R6T)...2403.30 “J9” Outdoor Unit: Malfunction of Subc

Model Selection Si34-7048 General Information4. Model SelectionVRV III Cooling Only SeriesCombination of Outdoor Units (Normal Series (Space Saving Se

Si34-704 Symptom-based TroubleshootingTroubleshooting 1791. Symptom-based TroubleshootingSymptom Supposed Cause Countermeasure1 The system does not st

Symptom-based Troubleshooting Si34-704180 Troubleshooting7 The airflow rate is not reproduced according to the setting.Even pressing the AIRFLOW RATE

Si34-704 Symptom-based TroubleshootingTroubleshooting 18115 The outdoor unit compressor or the outdoor unit fan does not stop.After stopping operation

Troubleshooting by Remote Controller Si34-704182 Troubleshooting2. Troubleshooting by Remote Controller2.1 The INSPECTION / TEST ButtonThe following m

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 1832.2 Self-diagnosis by Wired Remote Controller Explanation If operation stops due to ma

Troubleshooting by Remote Controller Si34-704184 Troubleshooting2.3 Self-diagnosis by Wireless Remote ControllerIn the Case of BRC7C TypeBRC7E TypeBRC

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 185The lower digit of the code changes as shown below when the UP and DOWN buttons are p

Troubleshooting by Remote Controller Si34-704186 Troubleshooting

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 1872.4 Operation of the Remote Controller’s Inspection / Test Operation ButtonInspection/

Troubleshooting by Remote Controller Si34-704188 Troubleshooting2.5 Remote Controller Service ModeHow to Enter the Service ModeService Mode Operation

Si34-704Table of Contents iR-410A Cooling Only50Hz1. Introduction ...

Si34-704 Model SelectionGeneral Information 9Capacity Range of Outdoor UnitsNormal Series (Space Saving Series)High COP Series (Energy Saving Series)

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 189Mode NoFunction Contents and operation method Remote controller display example40Malfu

Troubleshooting by Remote Controller Si34-704190 Troubleshooting2.6 Remote Controller Self-Diagnosis FunctionThe remote controller switches are equipp

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 191 8: ON 7: OFF 9: BlinkMalfunction codeOperation lamp Inspection displayUnit No.

Troubleshooting by Remote Controller Si34-704192 TroubleshootingOutdoor Unit LA 999Malfunction of power unit —LC 999Malfunction of transmission betwee

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 193

Troubleshooting by Remote Controller Si34-704194 TroubleshootingMalfunction code indication by outdoor unit PC boardContents of malfunctionMalfunction

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 1958: ON 7: OFF 9:BlinkMalfunction codeConfirmation of malfunction 1 (Check 1) Conf

Troubleshooting by Remote Controller Si34-704196 Troubleshooting<Selection of setting item><Monitor mode><Confirmation of malfunction 1

Si34-704 Troubleshooting by Remote ControllerTroubleshooting 1978: ON 7: OFF 9:BlinkMalfunction codeConfirmation of malfunction 1 (Check 1) Conf

Troubleshooting by Indication on the Remote Controller Si34-704198 Troubleshooting3. Troubleshooting by Indication on the Remote Controller3.1“A0” Ind

Model Selection Si34-70410 General InformationConnectable Indoor UnitNote:FXDQ has following 2 Series, as shown below.FXDQ-P, NVET: without Drain Pump

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 1993.2“A1” Indoor Unit: PC Board DefectRemote Controller DisplayA1Appli

Troubleshooting by Indication on the Remote Controller Si34-704200 Troubleshooting3.3“A3” Indoor Unit: Malfunction of Drain Level Control System (S1L)

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 201Troubleshooting(V2778)CautionBe sure to turn off power switch before

Troubleshooting by Indication on the Remote Controller Si34-704202 Troubleshooting3.4“A6” Indoor Unit: Fan Motor (M1F) Lock, OverloadRemote Controller

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2033.5“A7” Indoor Unit: Malfunction of Swing Flap Motor (M1S)Remote Con

Troubleshooting by Indication on the Remote Controller Si34-704204 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2053.6“A9” Electronic Expansion Valve Malfunction / Dust CloggingRemote

Troubleshooting by Indication on the Remote Controller Si34-704206 TroubleshootingTroubleshootingNOElectronicexpansion valve is connected to X7A of in

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 207“A9” Indoor Unit: Malfunction of Electronic Expansion Valve CoilRemo

Troubleshooting by Indication on the Remote Controller Si34-704208 TroubleshootingTroubleshootingNOElectronic expansion valve is connected to X7A of i

Si34-704 Model SelectionGeneral Information 11Differences from Conventional ModelsItemDifferencesObject New model (P Model) Conventional model (MA Mod

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2093.7“AF” Indoor Unit: Drain Level above LimitRemote Controller Displa

Troubleshooting by Indication on the Remote Controller Si34-704210 Troubleshooting3.8“AJ” Indoor Unit: Malfunction of Capacity Determination DeviceRem

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2113.9“C4” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchan

Troubleshooting by Indication on the Remote Controller Si34-704212 Troubleshooting3.10“C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas PipesR

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2133.11“C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Ai

Troubleshooting by Indication on the Remote Controller Si34-704214 Troubleshooting3.12“CA” Indoor unit: Malfunction of Thermistor (R4T) for discharge

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2153.13“CJ” Indoor Unit: Malfunction of Thermostat Sensor in Remote Con

Troubleshooting by Indication on the Remote Controller Si34-704216 Troubleshooting3.14“E1” Outdoor Unit: PC Board DefectRemote Controller DisplayE1App

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2173.15“E3” Outdoor Unit: Actuation of High Pressure SwitchRemote Contr

Troubleshooting by Indication on the Remote Controller Si34-704218 TroubleshootingTroubleshootingNOYESYESYESNONOYESNOCheck for the points shown below.

Model Selection Si34-70412 General Information

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2193.16“E4” Outdoor Unit: Actuation of Low Pressure SensorRemote Contro

Troubleshooting by Indication on the Remote Controller Si34-704220 TroubleshootingTroubleshootingNOYESNOYESYESCHECK 6Is the stopvalve open?Open the st

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2213.17“E5” Outdoor Unit: Inverter Compressor Motor LockRemote Controll

Troubleshooting by Indication on the Remote Controller Si34-704222 TroubleshootingTroubleshootingEnsure correct connection.Ensure correct connection.R

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2233.18“E6” Outdoor Unit: STD Compressor Motor Overcurrent/LockRemote C

Troubleshooting by Indication on the Remote Controller Si34-704224 Troubleshooting3.19“E7” Outdoor Unit: Malfunction of Outdoor Unit Fan MotorRemote C

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 225TroubleshootingRemove the foreign substances.Correct the connection

Troubleshooting by Indication on the Remote Controller Si34-704226 TroubleshootingTroubleshootingReplace the corresponding fan motor.Replace fan inver

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2273.20“E9” Outdoor Unit: Malfunction of Moving Part of Electronic Expa

Troubleshooting by Indication on the Remote Controller Si34-704228 TroubleshootingTroubleshooting(V3067)(Orange) 1Measuring points1 - 62 - 63 - 64 - 6

Si34-704Specifications 13Part 2Specifications1. Specifications ...

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2293.21 “F3” Outdoor Unit: Abnormal Discharge Pipe TemperatureRemote Co

Troubleshooting by Indication on the Remote Controller Si34-704230 TroubleshootingTroubleshooting∗ Refer to “Thermistor Resistance / Temperature Chara

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2313.22“F6” Outdoor Unit: Refrigerant OverchargedRemote Controller Disp

Troubleshooting by Indication on the Remote Controller Si34-704232 Troubleshooting3.23“H7” Outdoor Unit: Abnormal Outdoor Fan Motor SignalRemote Contr

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 233TroubleshootingCautionBe sure to turn off power switch before connec

Troubleshooting by Indication on the Remote Controller Si34-704234 Troubleshooting3.24“H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor A

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2353.25“J2” Outdoor Unit: Current Sensor MalfunctionRemote Controller D

Troubleshooting by Indication on the Remote Controller Si34-704236 Troubleshooting3.26“J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3,

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 237TroubleshootingThe alarm indicator is displayed when the fan is bein

Troubleshooting by Indication on the Remote Controller Si34-704238 Troubleshooting3.27“J5” Outdoor Unit: Malfunction of Thermistor (R2T), (R7T) for Su

Specifications Si34-70414 Specifications1. Specifications1.1 Outdoor UnitsCooling Only 50Hz-Normal Series (Space Saving Series) <RXQ-P>Notes:★1

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2393.28“J6” Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor U

Troubleshooting by Indication on the Remote Controller Si34-704240 Troubleshooting3.29“J7” Outdoor Unit: Malfunction of Liquid Pipe Thermistor 1 (R6T)

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 241Troubleshooting∗ Refer to “Thermistor Resistance / Temperature Chara

Troubleshooting by Indication on the Remote Controller Si34-704242 Troubleshooting3.30“J9” Outdoor Unit: Malfunction of Subcooling Heat Exchanger Gas

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2433.31“JA” Outdoor Unit: Malfunction of High Pressure SensorRemote Con

Troubleshooting by Indication on the Remote Controller Si34-704244 Troubleshooting∗2: Voltage measurement point∗2: Refer to “Pressure Sensor, Pressure

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2453.32“JC” Outdoor Unit: Malfunction of Low Pressure SensorRemote Cont

Troubleshooting by Indication on the Remote Controller Si34-704246 Troubleshooting∗1: Voltage measurement point∗2: Refer to “Pressure Sensor, Pressure

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2473.33“L1” Outdoor Unit: Defective Inverter PCBRemote Controller Displ

Troubleshooting by Indication on the Remote Controller Si34-704248 Troubleshooting3.34“L4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempera

Si34-704 SpecificationsSpecifications 15Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 249Inverter PCB for compressor∗ Refer to “Thermistor Resistance / Tempe

Troubleshooting by Indication on the Remote Controller Si34-704250 Troubleshooting3.35“L5” Outdoor Unit: Momentary Overcurrent of Inverter CompressorR

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 251Troubleshooting Compressor inspectionCorrect the wiring and connecti

Troubleshooting by Indication on the Remote Controller Si34-704252 Troubleshooting3.36“L8” Outdoor Unit: Momentary Overcurrent of Inverter CompressorR

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 253Troubleshooting Output current checkNONONOYESYESNONONOYESPower OFFYE

Troubleshooting by Indication on the Remote Controller Si34-704254 Troubleshooting3.37“L9” Outdoor Unit: Inverter Compressor Starting FailureRemote Co

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 255TroubleshootingCautionBe sure to turn off power switch before connec

Troubleshooting by Indication on the Remote Controller Si34-704256 TroubleshootingTroubleshootingContinued from the previous page. (Start failure due

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2573.38“LC” Outdoor Unit: Malfunction of Transmission between Inverter

Troubleshooting by Indication on the Remote Controller Si34-704258 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Specifications Si34-70416 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 259TroubleshootingPower ONYESNONONONOYESYESYESIs the micro controller n

Troubleshooting by Indication on the Remote Controller Si34-704260 Troubleshooting3.39“P1” Outdoor Unit: Inverter Over-Ripple ProtectionRemote Control

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2613.40“P4” Outdoor Unit: Malfunction of Inverter Radiating Fin Tempera

Troubleshooting by Indication on the Remote Controller Si34-704262 TroubleshootingInverter PCB for compressor∗ Refer to “Thermistor Resistance / Tempe

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2633.41“PJ” Outdoor Unit: Faulty Field Setting after Replacing Main PC

Troubleshooting by Indication on the Remote Controller Si34-704264 Troubleshooting3.42“UO” Outdoor Unit: Gas Shortage AlertRemote Controller DisplayU0

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 265TroubleshootingCheck if the temperature difference between the sucti

Troubleshooting by Indication on the Remote Controller Si34-704266 Troubleshooting3.43“U1” Reverse Phase, Open PhaseRemote Controller DisplayU1Applica

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2673.44“U2” Outdoor Unit: Power Supply Insufficient or Instantaneous Fa

Troubleshooting by Indication on the Remote Controller Si34-704268 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Si34-704 SpecificationsSpecifications 17Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 269TroubleshootingPower ONPower OFFIf any wiring has damage, replace th

Troubleshooting by Indication on the Remote Controller Si34-704270 Troubleshooting3.45“U3” Outdoor Unit: Check Operation not ExecutedRemote Controller

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2713.46“U4” Malfunction of Transmission between Indoor UnitsRemote Cont

Troubleshooting by Indication on the Remote Controller Si34-704272 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 273TroubleshootingNOYESYESNO()Continued from the previous pageIn Check

Troubleshooting by Indication on the Remote Controller Si34-704274 Troubleshooting3.47“U5” Indoor Unit: Malfunction of Transmission between Remote Con

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2753.48“U7” Outdoor Unit: Transmission Failure (Across Outdoor Units)Re

Troubleshooting by Indication on the Remote Controller Si34-704276 TroubleshootingTroubleshootingGo on to the Diagnosis Flow 1Go on to the Diagnosis F

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 277TroubleshootingNONOYESYESNOYESYESConnect the power supply wire for t

Troubleshooting by Indication on the Remote Controller Si34-704278 TroubleshootingTroubleshootingNONOYESYESNONOYESConnect the power supply wire for th

Specifications Si34-70418 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 279TroubleshootingYESNOYESNOCorrect the connecting wires of the outdoor

Troubleshooting by Indication on the Remote Controller Si34-704280 TroubleshootingTroubleshootingYESNOYESNOYESNOCautionBe sure to turn off power switc

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2813.49“U8” Indoor Unit: Malfunction of Transmission between Main and S

Troubleshooting by Indication on the Remote Controller Si34-704282 Troubleshooting3.50“U9” Indoor Unit: Malfunction of Transmission between Indoor and

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2833.51“UA” Improper Combination of Indoor and Outdoor Units, Indoor Un

Troubleshooting by Indication on the Remote Controller Si34-704284 TroubleshootingTroubleshootingNOYESReplace the main PCB of the outdoor unit.NOYESTh

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 285TroubleshootingNOYESYESYESNONONOYESCautionBe sure to turn off power

Troubleshooting by Indication on the Remote Controller Si34-704286 Troubleshooting3.52“UC” Address Duplication of Centralized ControllerRemote Control

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2873.53“UE” Malfunction of Transmission between Centralized Controller

Troubleshooting by Indication on the Remote Controller Si34-704288 TroubleshootingTroubleshooting(V2822)CautionBe sure to turn off power switch before

Si34-704ii Table of Contents3. Special Control...993.1 Startup Cont

Si34-704 SpecificationsSpecifications 19Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 289TroubleshootingIs the voltage between the terminals F1 (+) and F2 (-

Troubleshooting by Indication on the Remote Controller Si34-704290 Troubleshooting3.54“UF” System is not Set yetRemote Controller DisplayUFApplicable

Si34-704 Troubleshooting by Indication on the Remote ControllerTroubleshooting 2913.55“UH” Malfunction of System, Refrigerant System Address Undefined

Troubleshooting by Indication on the Remote Controller Si34-704292 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connec

Si34-704 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2934. Troubleshooting (OP: Central Remote Controller)4.1“M1” PC Board DefectRe

Troubleshooting (OP: Central Remote Controller) Si34-704294 Troubleshooting4.2“M8” Malfunction of Transmission between Optional Controllers for Centra

Si34-704 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2954.3“MA” Improper Combination of Optional Controllers for Centralized Contro

Troubleshooting (OP: Central Remote Controller) Si34-704296 TroubleshootingTroubleshootingCautionBe sure to turn off power switch before connect or di

Si34-704 Troubleshooting (OP: Central Remote Controller)Troubleshooting 2974.4“MC” Address Duplication, Improper SettingRemote Controller DisplayMCApp

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704298 Troubleshooting5. Troubleshooting (OP: Unified ON/OFF Controller)5.1 Operation Lamp Blinks

Specifications Si34-70420 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 299Troubleshooting(V2841)CautionBe sure to turn off power switch before connec

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704300 Troubleshooting5.2 Display “Under Centralized Control” Blinks (Repeats Single Blink)Remote

Si34-704 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 301TroubleshootingCautionBe sure to turn off power switch before connect or di

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704302 TroubleshootingNONOCannot be used in combination with a wiring adaptor for electrical appe

Si34-704 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 3035.3 Display “Under Centralized Control” Blinks (Repeats Double Blink)Remote

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704304 Troubleshooting[CHECK 1] Check on connector of fan motor (Power supply cable)(1) Turn off

Si34-704 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 305[CHECK 3] Check the Factors of Overheat OperationIdentify the defective poi

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704306 Troubleshooting[CHECK 4] Power Transistor CheckPerform the following procedures prior to c

Si34-704 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 307[CHECK 5] Check for causes of rise in high pressureReferring to the Fault T

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704308 Troubleshooting[CHECK 6] Check for causes of drop in low pressureReferring to the Fault Tr

Si34-704 SpecificationsSpecifications 21Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 309[CHECK 7] Broken Wire Check of the Connecting Wires1. Procedure for checkin

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704310 Troubleshooting[CHECK 8] Master Unit Central Connector Setting TableThe master unit centra

Si34-704 Troubleshooting (OP: Unified ON/OFF Controller)Troubleshooting 311[CHECK 9] Master-Slave Unit Setting TableCombination of Intelligent Touch C

Troubleshooting (OP: Unified ON/OFF Controller) Si34-704312 Troubleshooting

Si34-704Appendix 313Part 7Appendix1. Piping Diagrams...3141.1 Outdoor U

Piping Diagrams Si34-704314 Appendix1. Piping Diagrams1.1 Outdoor UnitRXQ5PY13D050782

Si34-704 Piping DiagramsAppendix 315RXQ8PY13D050783

Piping Diagrams Si34-704316 AppendixRXQ10PY1, RXQ12PY13D050784

Si34-704 Piping DiagramsAppendix 317RXQ14PY1, RXQ16PY1, RXQ18PY13D050785A

Piping Diagrams Si34-704318 Appendix1.2 Indoor UnitFXCQ, FXFQ, FXKQ, FXSQ, FXMQ, FXHQ, FXAQ, FXLQ, FXNQ DU220-602JHeat exchanger(4)(1)Gas piping conne

Specifications Si34-70422 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Piping DiagramsAppendix 319FXDQRefrigerant pipe connection port diametersFXMQ125MF / 200MF / 250MFV1Refrigerant pipe connection port diamet

Piping Diagrams Si34-704320 AppendixFXUQ + BEVQIndoor unitConnection Unit 4D037995F4D034127B

Si34-704 Wiring Diagrams for ReferenceAppendix 3212. Wiring Diagrams for Reference2.1 Outdoor UnitRXQ5PY1 3D055257A

Wiring Diagrams for Reference Si34-704322 AppendixRXQ8PY1 3D055258A

Si34-704 Wiring Diagrams for ReferenceAppendix 323RXQ10PY1 3D055259A

Wiring Diagrams for Reference Si34-704324 AppendixRXQ12PY1 3D055260A

Si34-704 Wiring Diagrams for ReferenceAppendix 325RXQ14PY1, RXQ16PY1, RXQ18PY1 3D055261A

Wiring Diagrams for Reference Si34-704326 Appendix2.2 Field WiringRXQ5P, 8P, 10P, 12P, 14P, 16P, 18PY13D051452D

Si34-704 Wiring Diagrams for ReferenceAppendix 327RXQ20P, 22P, 24P, 26P, 28P, 30P, 32P, 34P, 36PY13D052261B

Wiring Diagrams for Reference Si34-704328 AppendixRXQ38P, 40P, 42P, 44P, 46P, 48P, 50P, 52P, 54PY1C: 3D052262B

Si34-704 SpecificationsSpecifications 23Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Wiring Diagrams for ReferenceAppendix 3292.3 Indoor UnitFXCQ20M / 25M / 32M / 63MVE3D039556A

Wiring Diagrams for Reference Si34-704330 AppendixFXCQ40M / 50M / 80M/ 125MVE3D039557A

Si34-704 Wiring Diagrams for ReferenceAppendix 331FXFQ25M / 32M / 40M / 50M / 63M / 80M / 100M / 125MVE3D039600A

Wiring Diagrams for Reference Si34-704332 AppendixFXKQ25MA / 32MA / 40MA / 63MAVE3D039564C

Si34-704 Wiring Diagrams for ReferenceAppendix 333FXDQ20P / 25P / 32PFXDQ20NA / 25NA / 32NA / 40NA / 50NA / 63NAVE (with Drain Pump)3D045500C

Wiring Diagrams for Reference Si34-704334 AppendixFXDQ20P / 25P / 32PFXDQ20N / 25N / 32N / 40N / 50N / 63NVET (without Drain Pump) 3D049604A

Si34-704 Wiring Diagrams for ReferenceAppendix 335FXSQ20M / 25M / 32M / 40M / 50M / 63M / 80M / 100M / 125MVE3D039561A

Wiring Diagrams for Reference Si34-704336 AppendixFXMQ40MA / 50MA / 63MA / 80MA / 100MA / 125MAVE3D039620B

Si34-704 Wiring Diagrams for ReferenceAppendix 337FXMQ200MA / 250MAVE3D039621B

Wiring Diagrams for Reference Si34-704338 AppendixFXHQ32MA / 63MA / 100MAVE3D039801D

Specifications Si34-70424 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Wiring Diagrams for ReferenceAppendix 339FXAQ20MA / 25MA / 32MAVE / 40MA / 50MA / 63MAVE3D034206C

Wiring Diagrams for Reference Si34-704340 AppendixFXLQ20MA / 25MA / 32MA / 40MA / 50MA / 63MAVEFXNQ20MA / 25MA / 32MA / 40MA / 50MA / 63MAVE3D039826D

Si34-704 Wiring Diagrams for ReferenceAppendix 341FXUQ71MA / 100MA / 125MAV13D044973A

Wiring Diagrams for Reference Si34-704342 AppendixFXMQ125MF / 200MF / 250MFV13D044996C

Si34-704 Wiring Diagrams for ReferenceAppendix 343BEVQ71MA / 100MA / 125MAVE3D044901B

List of Electrical and Functional Parts Si34-704344 Appendix3. List of Electrical and Functional Parts3.1 Outdoor Unit3.1.1 RXQ5PY1~8PY1Item Name Symb

Si34-704 List of Electrical and Functional PartsAppendix 3453.1.2 RXQ10PY1~18PY1Item Name SymbolModelRXQ10PY1 RXQ12PY1CompressorInverterTypeM1CJT1GCVD

List of Electrical and Functional Parts Si34-704346 Appendix3.2 Indoor Side3.2.1 Indoor UnitParts NameSymbolModelRemarkFXFQ25MVEFXFQ32MVEFXFQ40MVEFXFQ

Si34-704 List of Electrical and Functional PartsAppendix 347∗only for FXDQ20~63N(A)VE, FXDQ20~32PVE (with Drain Pump Type)Parts NameSymbolModelRemarkF

List of Electrical and Functional Parts Si34-704348 AppendixParts NameSymbolModelRemarkFXSQ20MVEFXSQ25MVEFXSQ32MVEFXSQ40MVEFXSQ50MVEFXSQ63MVEFXSQ80MVE

Si34-704 SpecificationsSpecifications 25Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 List of Electrical and Functional PartsAppendix 349Parts NameSymbolModelRemarkFXHQ32MAVEFXHQ63MAVEFXHQ100MAVERemoteControllerWired Remote Con

List of Electrical and Functional Parts Si34-704350 AppendixParts Name SymbolModelRemarkFXLQ20MAVEFXLQ25MAVEFXLQ32MAVEFXLQ40MAVEFXLQ50MAVEFXLQ63MAVERe

Si34-704 List of Electrical and Functional PartsAppendix 351Parts NameSymbolModelRemarkFXUQ71MAV1 FXUQ100MAV1 FXUQ125MAV1RemoteControllerWired Remote

Option List Si34-704352 Appendix4. Option List4.1 Option List of ControllersOperation Control System Optional AccessoriesNote:1. Installation box (No.

Si34-704 Option ListAppendix 353Building management systemNotes:★1. P.P.D. does not support Connection Unit Series.★2. BACnet® is a registered tradema

Option List Si34-704354 Appendix4.2 Option Lists (Outdoor Unit)RXQ5 ~ 18PY1C : 3D056901RXQ20 ~ 36PY1C : 3D056901RXQ38 ~ 54PY1C : 3D056901Note): Order

Si34-704 Option ListAppendix 355RXQ16 ~ 18PHY1C : 3D056901RXQ24 ~ 30PHY1C : 3D056901RXQ32 ~ 50PHY1C : 3D056901Note): Order productsOptional accessori

Piping Installation Point Si34-704356 Appendix5. Piping Installation Point5.1 Piping Installation PointMaximum length from a connectionkit. 10m or le

Si34-704 Piping Installation PointAppendix 3575.2 The Example of a Wrong PatternMax.allowablePiping LengthOutdoor Unit - Multi Connection Piping Kit A

Piping Installation Point Si34-704358 Appendix

Specifications Si34-70426 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 Example of connection (R-410A Type)Appendix 3596. Example of connection (R-410A Type)Example of connection(Connection of 8 indoor units)Singl

Example of connection (R-410A Type) Si34-704360 Appendix∗Note 1When the equivalent pipe length between outdoor and indoor units is 90m or more, the si

Si34-704 Thermistor Resistance / Temperature CharacteristicsAppendix 3617. Thermistor Resistance / Temperature CharacteristicsIndoor unit For air suct

Thermistor Resistance / Temperature Characteristics Si34-704362 AppendixOutdoor Unit Thermistors for Discharge Pipe (R3T, R31∼33T)(kΩ))T°C 0.0 0.5 T°C

Si34-704 Pressure SensorAppendix 3638. 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 Si34-704364 Appendix9. Method of Checking the Inverter’s Power Transistors and D

Si34-704 Method of Checking the Inverter’s Power Transistors and Diode ModulesAppendix 3651. Power module checking2. Diode module checkingWhen using t

Method of Checking the Inverter’s Power Transistors and Diode Modules Si34-704366 Appendix

Si34-704Precautions for New Refrigerant (R-410A) 367Part 8Precautions for NewRefrigerant (R-410A)1. Precautions for New Refrigerant (R-410A) ...

Precautions for New Refrigerant (R-410A) Si34-704368 Precautions for New Refrigerant (R-410A)1. Precautions for New Refrigerant (R-410A)1.1 Outline1.1

Si34-704 SpecificationsSpecifications 27Cooling Only 50Hz High COP Series (Energy Saving Series) <RXQ-PH>Notes:★1 Indoor temp. : 27°CDB, 19.5°CW

Si34-704 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 369Thermodynamic characteristic of R-410ATemperature( )Stea

Precautions for New Refrigerant (R-410A) Si34-704370 Precautions for New Refrigerant (R-410A)1.2 Refrigerant CylindersCylinder specifications2 The cy

Si34-704 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 3711.3 Service ToolsR-410A is used under higher working pres

Precautions for New Refrigerant (R-410A) Si34-704372 Precautions for New Refrigerant (R-410A)1. Flaring toolSpecifications2 Dimension ADifferences2

Si34-704 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 3732. Torque wrenchSpecifications2 Dimension B Unit:mmNo ch

Precautions for New Refrigerant (R-410A) Si34-704374 Precautions for New Refrigerant (R-410A)4. Leak testerSpecifications2 Hydrogen detecting type, e

Si34-704 Precautions for New Refrigerant (R-410A)Precautions for New Refrigerant (R-410A) 3752 Temperature scale indicates the relationship between pr

Precautions for New Refrigerant (R-410A) Si34-704376 Precautions for New Refrigerant (R-410A)9. Weigher for refrigerant chargeSpecifications2 High ac

Si34-704Index iIndexAA0 ...198A1 ...

Si34-704ii IndexLL1 ...247L4 ...

Specifications Si34-70428 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704Index iiiSSelection of Pipe Size, Joints and Header ...357Service Tools ...371Se

Si34-704iv Index

Si34-704Drawings & Flow Charts vDrawings & Flow ChartsAAbnormal Discharge Pipe Temperature ...229Abnormal Outdoor Fan Motor Signal

Si34-704vi Drawings & Flow ChartsMalfunction of Thermistor (R2T), (R7T) for Suction Pipe ...238Malfunction of Therm

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

Si34-704Table of Contents iii3. Troubleshooting by Indication on the Remote Controller ...1983.1 “A0” Indoor Unit: Error of External

Si34-704 SpecificationsSpecifications 29Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Specifications Si34-70430 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 SpecificationsSpecifications 31Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Specifications Si34-70432 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 SpecificationsSpecifications 33Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Specifications Si34-70434 SpecificationsNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level dif

Si34-704 SpecificationsSpecifications 351.2 Indoor UnitsCeiling Mounted Cassette Type (Double Flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor

Specifications Si34-70436 SpecificationsCeiling Mounted Cassette Type (Double Flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Si34-704 SpecificationsSpecifications 37Ceiling Mounted Cassette Type (Multi-flow) Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB /

Specifications Si34-70438 SpecificationsCeiling Mounted Cassette Type (Multi-flow)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / E

Si34-704iv Table of Contents3.41 “PJ” Outdoor Unit: Faulty Field Setting after Replacing Main PC Board or Faulty Combination of PC Board...

Si34-704 SpecificationsSpecifications 39Ceiling Mounted Cassette Corner TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equival

Specifications Si34-70440 SpecificationsSlim Ceiling Mounted Duct Type (with Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CD

Si34-704 SpecificationsSpecifications 41Slim Ceiling Mounted Duct Type (with Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CD

Specifications Si34-70442 SpecificationsSlim Ceiling Mounted Duct Type (without Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35

Si34-704 SpecificationsSpecifications 43Slim Ceiling Mounted Duct Type (without Drain Pump)Notes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35

Specifications Si34-70444 SpecificationsSlim Ceiling Mounted Duct Type (PVE: with Drain Pump PVET: without Drain Pump)Notes:★1 Indoor temp. : 27°CDB,

Si34-704 SpecificationsSpecifications 45Ceiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Specifications Si34-70446 SpecificationsCeiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Si34-704 SpecificationsSpecifications 47Ceiling Mounted Built-in TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Specifications Si34-70448 SpecificationsCeiling Mounted Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Si34-704Table of Contents v5. Piping Installation Point...3565.1 Piping Installati

Si34-704 SpecificationsSpecifications 49Ceiling Mounted Duct TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping

Specifications Si34-70450 SpecificationsCeiling Suspended TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping len

Si34-704 SpecificationsSpecifications 51Wall Mounted TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length:

Specifications Si34-70452 SpecificationsWall Mounted TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp; 35°CDB / Equivalent piping length: 7

Si34-704 SpecificationsSpecifications 53Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length

Specifications Si34-70454 SpecificationsFloor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent piping length

Si34-704 SpecificationsSpecifications 55Concealed Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Specifications Si34-70456 SpecificationsConcealed Floor Standing TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent pip

Si34-704 SpecificationsSpecifications 57Ceiling Suspended Cassette TypeNotes:★1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp.: 35°CDB / Equivalent p

Specifications Si34-70458 SpecificationsOutdoor Air Processing UnitNotes:★1. Specifications are based on the following conditions:· Cooling: Outdoor t

Introduction Si34-704vi1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repair

Si34-704Refrigerant Circuit 59Part 3Refrigerant Circuit1. Refrigerant Circuit ...

Refrigerant Circuit Si34-70460 Refrigerant Circuit1. Refrigerant Circuit1.1 RXQ5PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inve

Si34-704 Refrigerant CircuitRefrigerant Circuit 61RXQ5P3D050782 562KTEDMNAPOWGJ431

Refrigerant Circuit Si34-70462 Refrigerant Circuit1.2 RXQ8PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compressor (INV)I

Si34-704 Refrigerant CircuitRefrigerant Circuit 63RXQ8P3D050783 5762314DNAPMOWTEFVGJ

Refrigerant Circuit Si34-70464 Refrigerant Circuit1.3 RXQ10P, 12PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compressor

Si34-704 Refrigerant CircuitRefrigerant Circuit 65RXQ10P, 12P3D05078486FVG7JOXBQDMNUWAP24315E

Refrigerant Circuit Si34-70466 Refrigerant Circuit1.4 RXQ14P, 16P, 18PNo. in refrigerant system diagramSymbol Name Major FunctionA M1C Inverter compre

Si34-704 Refrigerant CircuitRefrigerant Circuit 67RXQ14P, 16P, 18POXYB CRWA 798213D0507855643MNUEFVGJPQD

Refrigerant Circuit Si34-70468 Refrigerant Circuit1.5 Outdoor air processing unit FXMQ125MFV1~250MFV11.5.1 Refrigerant SystemMain Control Equipment∗SH

Si34-704 Introductionvii1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the equ

Si34-704 Functional Parts LayoutRefrigerant Circuit 692. Functional Parts Layout2.1 RXQ5PPlanFront ViewTHERMISTORACCUMULATORAccumulator ass'yHeat

Functional Parts Layout Si34-70470 Refrigerant Circuit2.2 RXQ8PPlanFront ViewTHERMISTORAccumulatorHigh pressure sensor(S1NPH)Heat exchangerTHERMISTORT

Si34-704 Functional Parts LayoutRefrigerant Circuit 712.3 RXQ10PPlanFront ViewTHERMISTORTHERMISTORAccumulatorHeat exchangerTHERMISTORTHERMISTORTHERMIS

Functional Parts Layout Si34-70472 Refrigerant Circuit2.4 RXQ12PPlanFront ViewTHERMISTOR (MIC, DISCHARGE PIPE)(R31T)PRESSURE SWITCH (HIGH PRESSURE PRO

Si34-704 Functional Parts LayoutRefrigerant Circuit 732.5 RXQ14P, 16P, 18PPlanFront ViewTHERMISTORTHERMISTORTHERMISTORAccumulatorHeat exchangerTHERMIS

Refrigerant Flow for Each Operation Mode Si34-70474 Refrigerant Circuit3. Refrigerant Flow for Each Operation ModeRXQ5PCooling Operation" ON &quo

Si34-704 Refrigerant Flow for Each Operation ModeRefrigerant Circuit 75Cooling Oil Return OperationThermostat "OFF" " OFF " "

Refrigerant Flow for Each Operation Mode Si34-70476 Refrigerant CircuitRXQ8PCooling Operation " OFF "" ON " " ON "

Si34-704 Refrigerant Flow for Each Operation ModeRefrigerant Circuit 77Cooling Oil Return " OFF "" ON "" ON "EV:224pls E

Refrigerant Flow for Each Operation Mode Si34-70478 Refrigerant CircuitRXQ10P, 12PCooling Operation " OFF "" ON " " ON &q

Introduction Si34-704viii1.1.3 Inspection after RepairBe sure to use the specified cable to connect between the indoor and outdoor units. Make the con

Si34-704 Refrigerant Flow for Each Operation ModeRefrigerant Circuit 79Cooling Oil Return" OFF "" ON "" ON "EV:224pls EV

Refrigerant Flow for Each Operation Mode Si34-70480 Refrigerant CircuitRXQ14P, 16P, 18PCooling Operation " OFF " " ON "" ON &

Si34-704 Refrigerant Flow for Each Operation ModeRefrigerant Circuit 81Cooling Oil Return Operation" OFF " " ON "" ON "

Refrigerant Flow for Each Operation Mode Si34-70482 Refrigerant Circuit

Si34-704Function 83Part 4Function1. Function general ...841.1 Symbol .

Function general Si34-70484 Function1. Function general1.1 SymbolSymbol Electric symbol Description or function20S1 Y3S Four way valve (off for coolin

Si34-704 Function generalFunction 851.2 Operation ModeIndoor unit thermostat ON Operation mode changeoverPump-down residual operationMalfunction/Stand

Basic Control Si34-70486 Function2. Basic Control2.1 Normal Operation2.1.1 List of Functions in Normal Operation*1. PI control : Evaporator outlet sup

Si34-704 Basic ControlFunction 87Operating Priority and Rotation of Compressors (For multi standard connection system)INV: Inverter compressorSTD1: S

Basic Control Si34-70488 Function*• In the case of combination of 3 outdoor units, the above diagram shows master unit, slave unit 1, and slave unit 2