Daikin SUPER MULTI NX CTXS07JVJU Service Manual

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Summary of Contents

Page 1 - Service

Service ManualG-Series / J-SeriesSiUS12-928_B[Applied Models] Inverter Multi : Heat Pump

Page 2 - Service Manual

SiUS12-928_B FunctionsList of Functions 21. FunctionsCategory FunctionsCTXS07JVJUCTXS09/12HVJUFTXS15/18HVJUCategory FunctionsCTXS07JVJUCTXS09/12HVJUFT

Page 3

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 923.3 Adjusting the Airflow Direction and Rate13Adjusting the Airflow Direction and RateYou can adj

Page 4 - Table of Contents iii

CTXS-L, FTXS-L Series SiUS12-928_B93 Operation ManualCTXS07LVJU, FTXS09/12LVJU14NOTE8˚15˚45˚80˚30˚70˚8˚80˚ CAUTION To adjust the airflow rate setting

Page 5

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 94FTXS15/18LVJU To adjust the airflow rate settingPress .• Each pressing of advances

Page 6 - Table of Contents v

CTXS-L, FTXS-L Series SiUS12-928_B95 Operation Manual3.4 COMFORT AIRFLOW / INTELLIGENT EYE Operation15[Example] nINTELLIGENT EYE operation is useful f

Page 7 - 1. Safety Considerations

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 9616DisplayNOTE90˚55˚23ft(7m)55˚23ft (7m) Page 20 CAUTION To start operationPress and

Page 8 - 1.2 Safety Considerations

CTXS-L, FTXS-L Series SiUS12-928_B97 Operation Manual3.5 POWERFUL Operation17[Example]NOTEPOWERFUL OperationPOWERFUL operation quickly maximizes the c

Page 9 - List of Functions

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 983.6 OUTDOOR UNIT QUIET Operation18NOTE Page 28OUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET oper

Page 10 - 1. Functions

CTXS-L, FTXS-L Series SiUS12-928_B99 Operation Manual3.7 ECONO Operation19NOTEECONO OperationECONO operation is a function which enables efficient ope

Page 11 - 3 List of Functions

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 1003.8 OFF TIMER Operation20DisplayNOTEOFF TIMER OperationTimer functions are useful for automatica

Page 12 - List of Functions 4

CTXS-L, FTXS-L Series SiUS12-928_B101 Operation Manual3.9 ON TIMER Operation21 DisplayNOTEON TIMER Operation• Check that the clock is correct.If not,

Page 13 - 5 List of Functions

Functions SiUS12-928_B3 List of FunctionsCategory FunctionsCTXS07LVJUFTXS09/12/15/18LVJUCategory FunctionsCTXS07LVJUFTXS09/12/15/18LVJUBasic FunctionI

Page 14 - List of Functions 6

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 1023.10 WEEKLY TIMER Operation22 Page 236:00 8:30 17:30 22:0077˚F (25˚C) 81˚F (27˚C)ON ON OFFOFF[T

Page 15 - Specifications

CTXS-L, FTXS-L Series SiUS12-928_B103 Operation Manual23Setting mode 6:00 8:30 17:30 22:0077˚F (25˚C)81˚F (27˚C)[Monday]Setting Displays. WEEKLY TIMER

Page 16 - 1. Indoor Unit

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 10424NOTEDisplayCopy mode Page 256. Press to select the desired time.• The time can be set b

Page 17 - 60 Hz, 208 - 230 V

CTXS-L, FTXS-L Series SiUS12-928_B105 Operation ManualCOPY25Copy mode6:00 8:30 17:30 22:0077˚F (25˚C)81˚F (27˚C)6:00 8:30 17:30 22:0077˚F (25˚C)81˚F (

Page 18

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 10626 Confirming a reservation• The reservation can be confirmed.Setting DisplaysNormal display Co

Page 19 - CDXS, FDXS Series

CTXS-L, FTXS-L Series SiUS12-928_B107 Operation Manual27WEEKLY TIMER Operation To delete reservationsThe individual reservation1. Press .

Page 20

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 1083.11 Note for Multi System28Note for Multi SystemNOTE Notes on operation mode for multi system

Page 21 - 2. Outdoor Unit

CTXS-L, FTXS-L Series SiUS12-928_B109 Operation Manual29Note for Multi System COOL / HEAT mode lock Priority room settingOperation mode priority[Exa

Page 22

SiUS12-928_B CTXS-L, FTXS-L SeriesOperation Manual 1103.12 Quick ReferenceQuick ReferenceC: 3P297290-1C: 3P297290-2

Page 23

FDXS-D Series SiUS12-928_B111 Operation Manual4. FDXS-D Series4.1 Remote Controller6 Remote Controller 12 5 6 91310121134781514〈 ARC433B63 〉1. Si

Page 24 - Connector Wiring Diagram

SiUS12-928_B FunctionsList of Functions 4Category FunctionsFDXS09/12DVJUCategory FunctionsFDXS09/12DVJUBasic Function Inverter (with Inverter Power Co

Page 25

SiUS12-928_B FDXS-D SeriesOperation Manual 1124.2 AUTO · DRY · COOL · HEAT · FAN Operation10AUTO · DRY · COOL · HEAT · FAN Operation To start operati

Page 26 - 3P099913-1

FDXS-D Series SiUS12-928_B113 Operation Manual11 To change the air flow rate setting5. Press “FAN setting button”.NOTEDRY mode AUTO or COOL or HEAT o

Page 27 - 1.2 CTXS07LVJU, FTXS09/12LVJU

SiUS12-928_B FDXS-D SeriesOperation Manual 1144.3 POWERFUL Operation12POWERFUL Operation To start POWERFUL operation To cancel POWERFUL operationNOT

Page 28 - 2P206687-4

FDXS-D Series SiUS12-928_B115 Operation Manual4.4 OUTDOOR UNIT QUIET Operation13OUTDOOR UNIT QUIET OperationNOTE1, 2OUTDOOR UNIT QUIET operation lower

Page 29 - 3EB86013-1

SiUS12-928_B FDXS-D SeriesOperation Manual 1164.5 HOME LEAVE Operation14HOME LEAVE Operation To start HOME LEAVE operation To cancel HOME LEAVE oper

Page 30 - 1.3 FTXS15/18LVJU

FDXS-D Series SiUS12-928_B117 Operation Manual15NOTE• Every day before you leave the house...• Before bed... What’s the HOME LEAVE operation?Is there

Page 31 - 2P227881-6

SiUS12-928_B FDXS-D SeriesOperation Manual 1184.6 TIMER Operation16TIMER Operation To use OFF TIMER operation1. Press “OFF TIMER button”.is displayed

Page 32 - 3P227885-1

FDXS-D Series SiUS12-928_B119 Operation Manual To use ON TIMER operation1. Press “ON TIMER button”.is displayed.blinks.• Check that the clock is corr

Page 33 - 1.4 FDXS09/12DVJU

SiUS12-928_B CDXS-L, FDXS-L SeriesOperation Manual 1205. CDXS-L, FDXS-L Series5.1 Remote Controller7Names of PartsRemote ControllerSignal transmitterR

Page 34 - 2P084375-1

CDXS-L, FDXS-L Series SiUS12-928_B121 Operation Manual8 Open the front coverECONO button• ECONO operation.ON TIMER buttonCLOCK buttonSELECT buttonQUI

Page 35 - Other Parts

Functions SiUS12-928_B5 List of FunctionsCategory FunctionsFDXS09/12LVJUCDXS15/18LVJUCategory FunctionsFDXS09/12LVJUCDXS15/18LVJUBasic FunctionInverte

Page 36 - 2P292535-1

SiUS12-928_B CDXS-L, FDXS-L SeriesOperation Manual 1225.2 AUTO · DRY · COOL · HEAT · FAN Operation11 To start operation1. Press and selec

Page 37

CDXS-L, FDXS-L Series SiUS12-928_B123 Operation Manual12 To change the temperature settingPress or .COOL operation HEAT operation AUTO

Page 38 - 2P148559-3

SiUS12-928_B CDXS-L, FDXS-L SeriesOperation Manual 1245.3 Adjusting the Airflow Rate13Adjusting the Airflow RateNOTE To adjust the airflow rate setti

Page 39 - 3EB10032-4

CDXS-L, FDXS-L Series SiUS12-928_B125 Operation Manual5.4 POWERFUL Operation14POWERFUL Operation To start POWERFUL operationPress during opera

Page 40 - 2.2 3MXS24JVJU, 4MXS32GVJU

SiUS12-928_B CDXS-L, FDXS-L SeriesOperation Manual 1265.5 OUTDOOR UNIT QUIET Operation15 To start OUTDOOR UNIT QUIET operationPress .• “

Page 41 - 3P165332-1

CDXS-L, FDXS-L Series SiUS12-928_B127 Operation Manual5.6 ECONO Operation16ECONO Operation To start ECONO operationPress during operation

Page 42 - Function and Control

SiUS12-928_B CDXS-L, FDXS-L SeriesOperation Manual 1285.7 OFF TIMER Operation17OFF TIMER Operation To use OFF TIMER operation1. Press .3.

Page 43 - (R12321)

CDXS-L, FDXS-L Series SiUS12-928_B129 Operation Manual5.8 ON TIMER Operation18ON TIMER Operation To use ON TIMER operation1. Press .• “

Page 44 - Inverter

SiUS12-928_B CDXS-L, FDXS-L SeriesOperation Manual 1305.9 Note for Multi System19Note for Multi SystemMulti system has one outdoor unit connected to m

Page 45

CDXS-L, FDXS-L Series SiUS12-928_B131 Operation Manual20 COOL/HEAT mode lockNOTE• The COOL/HEAT mode lock cannot be activated together with the prior

Page 46 - AIRFLOW

SiUS12-928_B FunctionsList of Functions 6Category Functions2MXS18GVJU3MXS24JVJU4MXS32GVJUCategory Functions2MXS18GVJU3MXS24JVJU4MXS32GVJUBasic Functio

Page 47 - Speed Control

SiUS12-928_B CDXS-L, FDXS-L SeriesOperation Manual 1325.10 Quick ReferenceQuick ReferenceC: 3P297290-3

Page 48 - (R11587)

SiUS12-928_B133 Service DiagnosisPart 6Service Diagnosis1. Troubleshooting with LED ...

Page 49 - (R16966)

SiUS12-928_BService Diagnosis 1347.2 Fan Motor Connector Check ... 1927.3 Hall IC Che

Page 50 - 1.7 Thermostat Control

Troubleshooting with LED SiUS12-928_B135 Service Diagnosis1. Troubleshooting with LED1.1 Indoor UnitOperation Lamp The operation lamp blinks when any

Page 51 - (R12402)

SiUS12-928_B Troubleshooting with LEDService Diagnosis 1361.2 Outdoor UnitThe outdoor unit has a green LED (LED A) and red LEDs (LED 1 ~ LED 4) on the

Page 52 - (R14454)

Problem Symptoms and Measures SiUS12-928_B137 Service Diagnosis2. Problem Symptoms and MeasuresProblem Symptom Check Item Details of MeasureReference

Page 53 - 1.9 ECONO Operation

SiUS12-928_B Service Check FunctionService Diagnosis 1383. Service Check Function3.1 ARC452 Series Remote ControllerCheck Method 1 1. When the timer c

Page 54 - 1.10 HOME LEAVE Operation

Service Check Function SiUS12-928_B139 Service DiagnosisCheck Method 2 1. Press the 3 buttons (TEMP, TEMP, MODE) at the same time to enter the diagn

Page 55 - 47 Function and Control

SiUS12-928_B Service Check FunctionService Diagnosis 1405. Press the [TEMP]  or buttonand change the number until you hear the long beep.6. Diagno

Page 56 - POWERFUL

Service Check Function SiUS12-928_B141 Service Diagnosis3.2 ARC433 Series Remote ControllerCheck Method 1 1. When the timer cancel button is held down

Page 57 - (R13555)

SiUS12-928_B7 SpecificationsPart 2Specifications1. Indoor Unit...

Page 58 - 1.13.7 WEEKLY TIMER Operation

SiUS12-928_B Service Check FunctionService Diagnosis 142Check Method 21. Press the center of the [TEMP] button and the [MODE] button at the same time

Page 59 - 2. Function of Thermistor

Service Check Function SiUS12-928_B143 Service Diagnosis5. Press the [TEMP]  or buttonand change the number until you hear the long beep.6. Diagno

Page 60 - Function and Control 52

SiUS12-928_B Code Indication on Remote ControllerService Diagnosis 1444. Code Indication on Remote Controller4.1 Indoor UnitError Codes Description Re

Page 61 - Thermistor

Code Indication on Remote Controller SiUS12-928_B145 Service Diagnosis4.2 Outdoor Unit4: ON, 3: OFF, 5: BlinksGreen : Blinks in normal conditionRed :

Page 62 - (R17361)

SiUS12-928_B Troubleshooting for Indoor UnitService Diagnosis 1465. Troubleshooting for Indoor Unit5.1 Indoor Unit PCB AbnormalityRemote Controller Di

Page 63 - (R14951)

Troubleshooting for Indoor Unit SiUS12-928_B147 Service DiagnosisTroubleshootingNote: Check the following connector.Check the combination of the indoo

Page 64

SiUS12-928_B Troubleshooting for Indoor UnitService Diagnosis 1485.2 Freeze-up Protection Control or Heating Peak-cut ControlRemote Controller Display

Page 65 - 3.3.4 3-Minute Standby

Troubleshooting for Indoor Unit SiUS12-928_B149 Service DiagnosisTroubleshootingCheck No.01Refer to P.191NONONOCheck No. 01Check the indoor heat excha

Page 66 - (R14266)

SiUS12-928_B Troubleshooting for Indoor UnitService Diagnosis 1505.3 Fan Motor or Related Abnormality5.3.1 DC Motor (CTXS/FTXS Series)Remote Controlle

Page 67 - (R17362)

Troubleshooting for Indoor Unit SiUS12-928_B151 Service DiagnosisTroubleshootingCheck No.02Refer to P.192Check No.02Check the output of the fan motor

Page 68 - (R14645)

SiUS12-928_B Indoor UnitSpecifications 81. Indoor UnitCTXS, FTXS Series60 Hz, 208 - 230 VModelCTXS07JVJUCooling HeatingRated Capacity 7 kBtu/h ClassFr

Page 69 - 3.8 Outdoor Fan Control

SiUS12-928_B Troubleshooting for Indoor UnitService Diagnosis 1525.3.2 AC Motor (CDXS/FDXS Series)Remote Controller DisplayA6Method of Malfunction Det

Page 70 - 3.10 Defrost Control

Troubleshooting for Indoor Unit SiUS12-928_B153 Service Diagnosis5.4 Thermistor or Related Abnormality (Indoor Unit)Remote Controller DisplayC4, C9Me

Page 71 - (R14587)

SiUS12-928_B Troubleshooting for Indoor UnitService Diagnosis 1545.5 Signal Transmission Error (between Indoor Unit and Outdoor Unit)Remote Controller

Page 72 - (R16007)

Troubleshooting for Indoor Unit SiUS12-928_B155 Service Diagnosis5.6Unspecified Voltage (between Indoor Unit and Outdoor Unit)Remote Controller Displa

Page 73 - 65 Function and Control

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1566. Troubleshooting for Outdoor Unit6.1 Refrigerant ShortageRemote Controller Display

Page 74 - Detail Start Conditions

Troubleshooting for Outdoor Unit SiUS12-928_B157 Service DiagnosisTroubleshooting 18 classCheck No.01Refer to P.191Check No.12Refer to P.194(R17365)Ca

Page 75 - (R14213)

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 158Troubleshooting 24/32 classCheck No.01Refer to P.191Check No.12Refer to P.194Caution

Page 76 - (R11685)

Troubleshooting for Outdoor Unit SiUS12-928_B159 Service Diagnosis6.2 Low-voltage Detection or Over-voltage DetectionRemote Controller DisplayU2Outdoo

Page 77 - 3.13.4 Anti-icing Function

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 160TroubleshootingCorrect the power supply.Replace the outdoor unit PCB.Check for such

Page 78 - Operation Manual

Troubleshooting for Outdoor Unit SiUS12-928_B161 Service Diagnosis6.3 Signal Transmission Error (on Outdoor Unit PCB) (24/32 Class Only)Remote Control

Page 79 - 1. System Configuration

Indoor Unit SiUS12-928_B9 Specifications60 Hz, 230 V60 Hz, 208 - 230 VModelFTXS15HVJU FTXS18HVJUCooling Heating Cooling HeatingRated Capacity 15 kBtu/

Page 80 - Receiver

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1626.4 Unspecified Voltage (between Indoor Unit and Outdoor Unit) / Anti-icing Function

Page 81 - Open the front cover

Troubleshooting for Outdoor Unit SiUS12-928_B163 Service Diagnosis6.5 Anti-icing FunctionRemote Controller DisplayA5Outdoor Unit LED DisplayA 5 1 4

Page 82 - Press or

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 164TroubleshootingCheck No.01Refer to P.191Check No.12Refer to P.194(R17255)CautionYESN

Page 83

Troubleshooting for Outdoor Unit SiUS12-928_B165 Service Diagnosis6.6 Outdoor Unit PCB Abnormality (24/32 Class Only)Remote Controller DisplayE1Outdoo

Page 84 - Operation Manual 76

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1666.7 OL Activation (Compressor Overload)Remote Controller DisplayE5Outdoor Unit LED D

Page 85 -  ATTENTION

Troubleshooting for Outdoor Unit SiUS12-928_B167 Service Diagnosis6.8 Compressor LockRemote Controller DisplayE6Outdoor Unit LED DisplayA 5 1 3 2

Page 86

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1686.9 DC Fan LockRemote Controller DisplayE7Outdoor Unit LED DisplayA 5 1 4 2 4

Page 87 -  Energy saving operation

Troubleshooting for Outdoor Unit SiUS12-928_B169 Service Diagnosis6.10 Input Overcurrent DetectionRemote Controller DisplayE8Outdoor Unit LED DisplayA

Page 88 - In AUTO operation

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1706.11 Four Way Valve Abnormality (18 Class Only)Remote Controller DisplayEAOutdoor Un

Page 89

Troubleshooting for Outdoor Unit SiUS12-928_B171 Service DiagnosisTroubleshootingCheck No.01Refer to P.191Check No.13Refer to P.195Check No.14Refer to

Page 90

SiUS12-928_B Indoor UnitSpecifications 1060 Hz, 208 - 230 VModelFTXS09LVJU FTXS12LVJUCooling Heating Cooling HeatingRated Capacity 9 kBtu/h Class 12 k

Page 91

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1726.12 Discharge Pipe Temperature ControlRemote Controller DisplayF3Outdoor Unit LED D

Page 92 -  NIGHT SET mode

Troubleshooting for Outdoor Unit SiUS12-928_B173 Service Diagnosis6.13 High Pressure Control in CoolingRemote Controller DisplayF6Outdoor Unit LED Dis

Page 93

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1746.14 Compressor Sensor System Abnormality (24/32 Class Only)Remote Controller Displa

Page 94

Troubleshooting for Outdoor Unit SiUS12-928_B175 Service DiagnosisTroubleshootingConnect the reactor properly.(R15891)NOYESConnect the compressor prop

Page 95

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1766.15 Position Sensor AbnormalityRemote Controller DisplayH6Outdoor Unit LED DisplayA

Page 96

Troubleshooting for Outdoor Unit SiUS12-928_B177 Service DiagnosisTroubleshooting 18 classCheck No.15Refer to P.196Check No.18Refer to P.198Check No.2

Page 97 - • OUTDOOR UNIT QUIET

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 178Troubleshooting 24/32 classCheck No.15Refer to P.196Check No.18Refer to P.198Caution

Page 98

Troubleshooting for Outdoor Unit SiUS12-928_B179 Service Diagnosis6.16 CT or Related AbnormalityRemote Controller DisplayH8Outdoor Unit LED DisplayA j

Page 99

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 180TroubleshootingCheck No.15Refer to P.196Check No.21Refer to P.200(R15326)CautionYES2

Page 100 - Press

Troubleshooting for Outdoor Unit SiUS12-928_B181 Service Diagnosis6.17 Thermistor or Related Abnormality (Outdoor Unit)Remote Controller Display H9, J

Page 101 - Press

Indoor Unit SiUS12-928_B11 SpecificationsCDXS, FDXS Series60 Hz, 230 V60 Hz, 208 - 230 VModelFDXS09DVJU FDXS12DVJUCooling Heating Cooling HeatingRated

Page 102

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 182TroubleshootingCheck No.01Refer to P.191H9 : Outdoor temperature thermistorJ3 : Disc

Page 103 - INTELLIGENT EYE Operation

Troubleshooting for Outdoor Unit SiUS12-928_B183 Service Diagnosis6.18 Electrical Box Temperature RiseRemote Controller DisplayL3Outdoor Unit LED Disp

Page 104 -  To cancel operation

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 184Troubleshooting 18 classCheck No.01Refer to P.191Check No.17Refer to P.198Check No.1

Page 105 - POWERFUL Operation

Troubleshooting for Outdoor Unit SiUS12-928_B185 Service DiagnosisTroubleshooting 24/32 classCheck No.17Refer to P.198Check No.19Refer to P.199Caution

Page 106 - Operation

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 1866.19 Radiation Fin Temperature RiseRemote Controller DisplayL4Outdoor Unit LED Displ

Page 107 - ECONO Operation

Troubleshooting for Outdoor Unit SiUS12-928_B187 Service DiagnosisTroubleshooting 18 classCheck No.01Refer to P.191Check No.17Refer to P.198Check No.1

Page 108 - OFF TIMER Operation

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 188Troubleshooting 24/32 classCheck No.17Refer to P.198Check No.19Refer to P.199Note: R

Page 109 - ON TIMER Operation

Troubleshooting for Outdoor Unit SiUS12-928_B189 Service Diagnosis6.20 Output Overcurrent DetectionRemote Controller DisplayL5Outdoor Unit LED Display

Page 110 - WEEKLY TIMER Operation

SiUS12-928_B Troubleshooting for Outdoor UnitService Diagnosis 190TroubleshootingCheck No.15Refer to P.196Check No.17Refer to P.198Check No.18Refer to

Page 111

Check SiUS12-928_B191 Service Diagnosis7. Check7.1 Thermistor Resistance CheckCheck No.01 Disconnect the connectors of the thermistors from the PCB, a

Page 112 - Press

SiUS12-928_BTable of Contents iSUPER MULTI NXG-Series / J-SeriesService ManualHeat PumpIndoor UnitCTXS07JVJU CTXS07LVJU FDXS09DVJUCTXS09HVJU FTXS09LV

Page 113 - Setting Displays

SiUS12-928_B Indoor UnitSpecifications 1260 Hz, 208 - 230 VModelCDXS15LVJU CDXS18LVJUCooling Heating Cooling HeatingRated Capacity 15 kBtu/h Class 18

Page 114 -  Confirming a reservation

SiUS12-928_B CheckService Diagnosis 1927.2 Fan Motor Connector CheckCheck No.02 CTXS/FTXS Series1. Check the connection of connector.2. Check motor po

Page 115

Check SiUS12-928_B193 Service Diagnosis7.4 Power Supply Waveform CheckCheck No.11 Measure the power supply waveform between No. 1 and No. 2 on the ter

Page 116 - Note for Multi System

SiUS12-928_B CheckService Diagnosis 1947.5 Outdoor Electronic Expansion Valve CheckCheck No.12 Conduct the followings to check the outdoor electronic

Page 117 -  Priority room setting

Check SiUS12-928_B195 Service Diagnosis7.6 Four Way Valve Performance CheckCheck No.137.7 Inverter Unit Refrigerant System CheckCheck No.14(R11717)(R1

Page 118 - Quick Reference

SiUS12-928_B CheckService Diagnosis 1967.8 “Inverter Checker” CheckCheck No.15  CharacteristicsIf abnormal stop occurs due to compressor startup fail

Page 119 - 4. FDXS-D Series

Check SiUS12-928_B197 Service Diagnosis Diagnose method (Diagnose according to 6 LEDs lighting status.)(1) If all the LEDs are lit uniformly, the com

Page 120 -  To stop operation

SiUS12-928_B CheckService Diagnosis 1987.10 Installation Condition CheckCheck No.177.11 Discharge Pressure CheckCheck No.18Installation condition chec

Page 121 - 113 Operation Manual

Check SiUS12-928_B199 Service Diagnosis7.12 Outdoor Fan System CheckCheck No.197.13 Main Circuit Short CheckCheck No.20Note: Check to make sure that t

Page 122

SiUS12-928_B CheckService Diagnosis 2007.14 Capacitor Voltage CheckCheck No.21 Before this check, be sure to check the main circuit for short circuit.

Page 123 - OUTDOOR UNIT QUIET Operation

Check SiUS12-928_B201 Service Diagnosis7.15 Power Module CheckCheck No.22Note: Check to make sure that the voltage between (+) and (–) of the power mo

Page 124 - HOME LEAVE Operation

Outdoor Unit SiUS12-928_B13 Specifications2. Outdoor Unit60 Hz, 208 - 230 VNote:  The data are based on the conditions shown in the table below.Model

Page 125 -  Useful in these cases

SiUS12-928_BRemoval Procedure 202Part 7Removal Procedure1. Outdoor Unit: 2MXS18GVJU ...

Page 126 - TIMER Operation

Outdoor Unit: 2MXS18GVJU SiUS12-928_B203 Removal Procedure1. Outdoor Unit: 2MXS18GVJU1.1 Removal of Outer PanelsProcedure Warning Be sure to wait for

Page 127 - ON TIMER at 7:00 a.m

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2041.2 Removal of Electrical BoxProcedure Warning Be sure to wait for 10 minutes or more after

Page 128 - Remote Controller

Outdoor Unit: 2MXS18GVJU SiUS12-928_B205 Removal Procedure2Disconnect the connector for the four-way valve coil [S80]. When reassembling, insert the

Page 129 -  Open the front cover

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2064Disconnect the relay connector of the compressor.5Release the clamp with pliers.6Disconnect

Page 130 - FAN Operation

Outdoor Unit: 2MXS18GVJU SiUS12-928_B207 Removal Procedure3. Remove the electrical box.1Remove the screw of the shield plate.2Unfasten the 2 hooks and

Page 131 - Press or

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2085Remove the drip proof cover.6Disconnect the connector for the fan motor [S70] from the inve

Page 132 - Adjusting the Airflow Rate

Outdoor Unit: 2MXS18GVJU SiUS12-928_B209 Removal Procedure1.3 Removal of PCBsProcedure Warning Be sure to wait for 10 minutes or more after turning of

Page 133

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2105Lift up the main PCB.6Disconnect the connectors [S31] [S32] [S33] [S71] [H1] [H2].7The figu

Page 134

Outdoor Unit: 2MXS18GVJU SiUS12-928_B211 Removal Procedure8Unfasten the 2 hooks and remove the service monitor PCB.9Remove the 7 screws and remove the

Page 135 -  To cancel ECONO operation

SiUS12-928_B Outdoor UnitSpecifications 1460 Hz, 208 - 230 VNote:  The data are based on the conditions shown in the table below.Model3MXS24JVJUCooli

Page 136 -  To use OFF TIMER operation

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2121.4 Removal of Fan MotorProcedure Warning Be sure to wait for 10 minutes or more after turni

Page 137

Outdoor Unit: 2MXS18GVJU SiUS12-928_B213 Removal Procedure1.5 Removal of Sound BlanketsProcedure Warning Be sure to wait for 10 minutes or more after

Page 138

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2144Remove the sound blankets (top upper, top inner, outer, inner).StepProcedure PointsSound bl

Page 139 -  COOL/HEAT mode lock

Outdoor Unit: 2MXS18GVJU SiUS12-928_B215 Removal Procedure1.6 Removal of Coils / ThermistorsProcedure Warning Be sure to wait for 10 minutes or more a

Page 140

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2165Remove the putty, and remove each thermistor. Place the thermistor so that its edge comes

Page 141 - Service Diagnosis

Outdoor Unit: 2MXS18GVJU SiUS12-928_B217 Removal Procedure1.7 Removal of Four-Way Valve / Defrost Solenoid ValveProcedure Warning Be sure to wait for

Page 142 - Service Diagnosis 134

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2186Disconnect the 2 brazed points, first (e), and then (f).Remove the defrost solenoid valve.N

Page 143 - (R16589)

Outdoor Unit: 2MXS18GVJU SiUS12-928_B219 Removal Procedure1.8 Removal of DistributorProcedure Warning Be sure to wait for 10 minutes or more after tur

Page 144 - (R17364)

SiUS12-928_B Outdoor Unit: 2MXS18GVJURemoval Procedure 2201.9 Removal of CompressorProcedure Warning Be sure to wait for 10 minutes or more after turn

Page 145

Outdoor Unit: 2MXS18GVJU SiUS12-928_B221 Removal Procedure Before working, make sure that the refrigerant gas is empty in the circuit. Be sure to ap

Page 146 - (R14460)

Outdoor Unit SiUS12-928_B15 Specifications60 Hz, 208 - 230 VNote:  The data are based on the conditions shown in the table below.Model4MXS32GVJUCooli

Page 147 - (R14552)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2222. Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU2.1 Removal of Outer PanelsProcedure Warn

Page 148 - (R14549)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B223 Removal Procedure2Slide the suction grille downward to unfasten the 3 top hooks.3Remove the sucti

Page 149 - (R14555)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2242Remove the 2 screws on the front and the screw on the right side panel.3Lift th

Page 150 - (R14968)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B225 Removal Procedure2Slide the right side panel downward to unfasten the 2 hooks on the back side.St

Page 151 - (R14969)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2263Remove the right side panel.The US model has a service lid on the stop valve m

Page 152 - 4.1 Indoor Unit

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B227 Removal Procedure3Remove the front panel (2).5. Remove the front panel (1).  Remove the discharg

Page 153 - 4.2 Outdoor Unit

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2283Slide the discharge grille downward to unfasten the 2 hooks at the top.4Remove

Page 154 - Service Diagnosis 146

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B229 Removal Procedure6Remove the 2 screws of the partition plate (1).7Remove the screw at the bottom

Page 155 - (R15270)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2309Remove the screw at the bottom of the back side.10The front panel (1) has a hoo

Page 156 - Service Diagnosis 148

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B231 Removal Procedure6. Remove the rear panel.1Remove the 2 screw on the partition plate (2).2Slide t

Page 157 - (R15715)

SiUS12-928_BPrinted Circuit Board Connector Wiring Diagram 16Part 3Printed Circuit BoardConnector Wiring Diagram1. Indoor Unit...

Page 158 - Service Diagnosis 150

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2324Release the thermistor wire from the groove.5Remove the 3 screws on the rear pa

Page 159 - (R14970)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B233 Removal Procedure7Remove the screw on the stop valve mounting plate.8Lift the rear panel to unfas

Page 160 - (R17393)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2342.2 Removal of Electrical BoxProcedure Warning Be sure to wait for 10 minutes or

Page 161 - (R15717)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B235 Removal Procedure4Disconnect the connector for the four-way valve coil [S80]. Pull out the clamp

Page 162 - (R15782)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2367Disconnect the connector for the gas pipe thermistors [S92] and pull out the cl

Page 163 - (R11707)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B237 Removal Procedure10Disconnect the connector for the overload protector [S40].11The wire harness f

Page 164 - 6.1 Refrigerant Shortage

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 23813Disconnect the relay connector of the compressor.14Remove the screw on the sto

Page 165 - (R17365)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B239 Removal Procedure16Slide the electrical box leftward to unfasten the hook on the right side.17Rem

Page 166 - (R17254)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2402.3 Removal of PCBsProcedure Warning Be sure to wait for 10 minutes or more afte

Page 167 - 5 1 4 2 3 3 3 4 4

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B241 Removal Procedure5Disconnect the connectors. Refer to page 33 for detail.[S51] [S101] : service

Page 168 - (R17269)

Indoor Unit SiUS12-928_B17 Printed Circuit Board Connector Wiring Diagram1. Indoor Unit 1.1 CTXS07JVJU, CTXS09/12HVJU, FTXS15/18HVJUConnectors and Oth

Page 169 - Class Only)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2423. Remove the service monitor PCB.1Disconnect the connectors from the service mo

Page 170 - (R15723)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B243 Removal Procedure4. Remove the terminal board.1Remove the screw.2Unfasten the hook.3Remove the te

Page 171 - 6.5 Anti-icing Function

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2442.4 Removal of Fan MotorProcedure Warning Be sure to wait for 10 minutes or more

Page 172 - (R17255)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B245 Removal Procedure2.5 Removal of Coils / ThermistorsProcedure Warning Be sure to wait for 10 minut

Page 173 - 5 1 4 2 4 3 4 4 3

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2462Peel the putty, and pull out the liquid pipe thermistors. Be careful not to lo

Page 174 - (R14438)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B247 Removal Procedure4Remove the clip from the outdoor heat exchanger thermistor. Be careful not to

Page 175 - (R14439)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2487Remove the discharge pipe thermistor.8Remove the fixture.  Be careful not to l

Page 176 - (R15890)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B249 Removal Procedure2Remove the four-way valve coil.StepProcedure Points(R10432)Four-way valve coil

Page 177 - (R15325)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2502.6 Removal of Sound BlanketsProcedure Warning Be sure to wait for 10 minutes or

Page 178 - Service Diagnosis 170

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B251 Removal Procedure4Remove the sound blanket (outer). The sound blanket is fragile.Carefully pass

Page 179 - (R15824)

SiUS12-928_B Indoor UnitPrinted Circuit Board Connector Wiring Diagram 18PCB Detail PCB (1): Control PCBPCB (2): Signal Receiver PCB PCB (3): Buzzer P

Page 180 - (R15286)

SiUS12-928_B Outdoor Unit: 3MXS24JVJU, 4MXS32GVJURemoval Procedure 2527Remove the sound blanket (inner).StepProcedure Points(R10439)

Page 181 - (R17394)

Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU SiUS12-928_B253 Removal Procedure2.7 Removal of CompressorProcedure Warning Be sure to wait for 10 minutes or mor

Page 182 - Service Diagnosis 174

SiUS12-928_BTrial Operation and Field Settings 254Part 8Trial Operation andField Settings1. Pump Down Operation...

Page 183 - (R15891)

Pump Down Operation SiUS12-928_B255 Trial Operation and Field Settings1. Pump Down OperationOutline In order to protect the environment, be sure to co

Page 184 - Service Diagnosis 176

SiUS12-928_B Forced OperationTrial Operation and Field Settings 2562. Forced OperationOutline Forced operation mode includes forced cooling and forced

Page 185 - (R15300)

Wiring Error Check Function SiUS12-928_B257 Trial Operation and Field Settings3. Wiring Error Check FunctionOutline The convenient wiring error check

Page 186 - (R15892)

SiUS12-928_B Wiring Error Check FunctionTrial Operation and Field Settings 258Basic Knowledge  Refrigerant flows from Port A and on. The temperatures

Page 187

Trial Operation SiUS12-928_B259 Trial Operation and Field Settings4. Trial OperationOutline 1. Measure the power supply voltage and make sure that it

Page 188 - Troubleshooting

SiUS12-928_B Trial OperationTrial Operation and Field Settings 260ARC433 Series(1) Press the [ON/OFF] button to turn on the system.(2) Press the cente

Page 189 - H9, J3, J6, J8, J9, P4

Field Settings SiUS12-928_B261 Trial Operation and Field Settings5. Field Settings5.1 Outdoor Unit5.1.1 Priority Room Setting Outdoor electronic expan

Page 190 - (R17392)

Indoor Unit SiUS12-928_B19 Printed Circuit Board Connector Wiring Diagram1.2 CTXS07LVJU, FTXS09/12LVJUConnectors and Other PartsPCB (1): Control PCBPC

Page 191

SiUS12-928_B Field SettingsTrial Operation and Field Settings 2625.1.2 COOL / HEAT Mode LockUse the [S15] connector to set the unit to cooling only or

Page 192 - (R17367)

Field Settings SiUS12-928_B263 Trial Operation and Field Settings5.1.3 NIGHT QUIET ModeIf NIGHT QUIET mode is to be used, initial settings must be mad

Page 193 - (R16695)

SiUS12-928_B Field SettingsTrial Operation and Field Settings 2645.2 Indoor Unit5.2.1 Model Type SettingARC452A21, ARC452A23 The remote controller is

Page 194

Field Settings SiUS12-928_B265 Trial Operation and Field Settings5.2.3 When 2 Units are Installed in 1 RoomOutline When 2 indoor units are installed i

Page 195 - (R17368)

SiUS12-928_B Field SettingsTrial Operation and Field Settings 266Wireless Remote Controller(1) Remove the cover and take it off.(2) Cut the address se

Page 196 - (R17369)

Application of Silicon Grease to a Power Transistor and a Diode Bridge SiUS12-928_B267 Trial Operation and Field Settings6. Application of Silicon Gre

Page 197 - 189 Service Diagnosis

SiUS12-928_BAppendix 268Part 9Appendix1. Piping Diagrams...2691.1 I

Page 198 - (R16014)

Piping Diagrams SiUS12-928_B269 Appendix1. Piping Diagrams1.1 Indoor UnitCTXS07JVJU, CTXS09/12HVJU FTXS15/18HVJUCTXS07LVJU, FTXS09/12LVJU FTXS15/18LVJ

Page 199 - (R17417)

SiUS12-928_B Piping DiagramsAppendix 270FDXS09/12DVJU FDXS09/12LVJUCDXS15/18LVJUFIELD PIPINGFIELD PIPING(3/8CuT)(1/4CuT)INDOOR UNITSIROCCO FAN(1/4CuT)

Page 200 - (R14211)

Piping Diagrams SiUS12-928_B271 Appendix1.2 Outdoor Unit2MXS18GVJU3MXS24JVJUREFRIGERANT FLOWHEADEROUTDOOR UNITHEATINGCOOLING1/2CuTPROPELLER FANDC FAN

Page 201 - [Fig.1] [Fig.2]

SiUS12-928_B Indoor UnitPrinted Circuit Board Connector Wiring Diagram 20PCB Detail PCB (1): Control PCBV1FU1S1S41S21S47JBJAJCS46 S25LED AS32FGH1H2H32

Page 202 - (R16020)

SiUS12-928_B Piping DiagramsAppendix 2724MXS32GVJUCOMPRESSOR1/2CuTFILTERHEADER5/16CuT5/16CuT3/8CuTDC FAN MOTORACCUMULATOR3/8CuT1/2CuTCOOLINGCAPILLARY

Page 203 - Check No.14

Wiring Diagrams SiUS12-928_B273 Appendix2. Wiring Diagrams2.1 Indoor UnitCTXS07JVJU, CTXS09/12HVJUFTXS15/18HVJUPCB4PCB3PCB5LED1H1PR1Tt°S37S38LED2H2PLE

Page 204 - (R13940)

SiUS12-928_B Wiring DiagramsAppendix 274CTXS07LVJU, FTXS09/12LVJUFTXS15/18LVJUPCB2LEDH1PLEDH2PS1WLEDH3P2RTH1R1Tt°101S11BRNS262PCB1S32R2Tt°110BRNS211(i

Page 205 - (R10811)

Wiring Diagrams SiUS12-928_B275 AppendixFDXS09/12DVJUFDXS09/12LVJU, CDXS15/18LVJUPCB2LEDH1PLEDH2PS1WLEDH3P2RTH1R1Tt°101S11BRNS262PCB1S32R2Tt°110BRNS21

Page 206 - (R15738)

SiUS12-928_B Wiring DiagramsAppendix 2762.2 Outdoor Unit2MXS18GVJU3MXS24JVJUMMMM(CONDENSER)(OUTDOOR) (DISCHARGE)(ROOM-A) (ROOM-B)(ROOM-A) (ROOM-B)(GAS

Page 207 - 7.13 Main Circuit Short Check

Wiring Diagrams SiUS12-928_B277 Appendix4MXS32GVJUoutdoorFIELD WIRINGindoorMRM104REDY1RS80MRM2061V3V5RED(ROOM-D)GRNGRYUWHT10M<GAS PIPE>PM1(CONDE

Page 208 - (R12869)

Indoor Unit SiUS12-928_B21 Printed Circuit Board Connector Wiring DiagramPCB (2): Signal Receiver PCBPCB (3): Display PCBPCB (4): INTELLIGENT EYE Sens

Page 209 - (R16075)

SiUS12-928_Bii Table of Contents1. Indoor Unit...171.1 C

Page 210 - Removal Procedure

SiUS12-928_B Indoor UnitPrinted Circuit Board Connector Wiring Diagram 221.3 FTXS15/18LVJUConnectors and Other PartsPCB (1): Control PCBPCB (2): Signa

Page 211 - (R10352)

Indoor Unit SiUS12-928_B23 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Control PCB2P227881-6V1H1H2H3LED AS32S1S41S46 S25S47S21JB

Page 212 - 1.2 Removal of Electrical Box

SiUS12-928_B Indoor UnitPrinted Circuit Board Connector Wiring Diagram 24PCB (2): Signal Receiver PCBPCB (3): Display PCBPCB (4): INTELLIGENT EYE Sens

Page 213 - (R17093)

Indoor Unit SiUS12-928_B25 Printed Circuit Board Connector Wiring Diagram1.4 FDXS09/12DVJUConnectors and Other PartsPCB (1): Control PCBPCB (2): Displ

Page 214 - (R17066)

SiUS12-928_B Indoor UnitPrinted Circuit Board Connector Wiring Diagram 26PCB Detail PCB (1): Control PCBPCB (2): Display PCBS1H2S7S26S32JCJBJAS212P13

Page 215 - Shield plate

Indoor Unit SiUS12-928_B27 Printed Circuit Board Connector Wiring Diagram1.5 FDXS09/12LVJU, CDXS15/18LVJUConnectors and Other PartsA1P: Control PCBA2P

Page 216 - Inverter PCB (MID2)

SiUS12-928_B Indoor UnitPrinted Circuit Board Connector Wiring Diagram 28PCB Detail A1P: Control PCBA2P: Display PCBLED 1 does not function.H2H1H3FGJ

Page 217 - 1.3 Removal of PCBs

Outdoor Unit SiUS12-928_B29 Printed Circuit Board Connector Wiring Diagram2. Outdoor Unit2.1 2MXS18GVJUConnectors and Other PartsMain PCB Service Moni

Page 218 - (R10356)

SiUS12-928_B Outdoor UnitPrinted Circuit Board Connector Wiring Diagram 30MID2 (Inverter PCB)SPMPCB Detail Main PCBService Monitor PCB1) S34, S72 Conn

Page 219 - (R10355)

Outdoor Unit SiUS12-928_B31 Printed Circuit Board Connector Wiring DiagramMID1MID2 (Inverter PCB)SPM3P080081-2V3HNHEFU1HLS11W VUNS34S72S703P080085-1FU

Page 220 - (R17350)

SiUS12-928_BTable of Contents iii2.1 Remote Controller ... 722.2 AU

Page 221 - (R10365)

SiUS12-928_B Outdoor UnitPrinted Circuit Board Connector Wiring Diagram 322.2 3MXS24JVJU, 4MXS32GVJUConnectors and Other PartsPCB (1): Main PCBPCB (2)

Page 222 - (R17405)

Outdoor Unit SiUS12-928_B33 Printed Circuit Board Connector Wiring DiagramPCB Detail PCB (1): Main PCBPCB (2): Service Monitor PCBE1 E2FU2V3HR1(white)

Page 223 - (R10536)

SiUS12-928_BFunction and Control 34Part 4Function and Control1. Main Functions...

Page 224 - (R10369)

Main Functions SiUS12-928_B35 Function and Control1. Main Functions1.1 Temperature ControlDefinitions of TemperaturesThe definitions of temperatures a

Page 225 - (R10370)

SiUS12-928_B Main FunctionsFunction and Control 36Inverter Principle To regulate the capacity, a frequency control is needed. The inverter makes it po

Page 226 - (R12395)

Main Functions SiUS12-928_B37 Function and ControlFrequency Limits The following functions regulate the minimum and maximum frequency:Forced Operation

Page 227 - 1.8 Removal of Distributor

SiUS12-928_B Main FunctionsFunction and Control 38FTXS15/18LVJU3-D Airflow Alternative repetition of vertical and horizontal swing motions enables uni

Page 228 - 1.9 Removal of Compressor

Main Functions SiUS12-928_B39 Function and Control1.4 Fan Speed Control for Indoor UnitOutline Phase control and fan speed control contains 9 steps: L

Page 229

SiUS12-928_B Main FunctionsFunction and Control 40Note: 1. During POWERFUL operation, the fan rotates at H tap + 50 ~ 90 rpm.2. The fan stops during d

Page 230 - (R14612)

Main Functions SiUS12-928_B41 Function and Control1.6 Automatic OperationOutline Automatic Cooling / Heating FunctionWhen the automatic operation is s

Page 231 - (R17409)

SiUS12-928_Biv Table of Contents3. Service Check Function ...1383.1 ARC452 Seri

Page 232 - Right side panel

SiUS12-928_B Main FunctionsFunction and Control 421.7 Thermostat ControlThermostat control is based on the difference between the room thermistor temp

Page 233 - (R14615)

Main Functions SiUS12-928_B43 Function and ControlCTXS/FTXS-L seriesCDXS/FDXS seriesRefer to “Temperature Control” on page 35 for detail.BBAOFFOFFONON

Page 234 - (R10374)

SiUS12-928_B Main FunctionsFunction and Control 441.8 NIGHT SET ModeOutline When the OFF timer is set, the NIGHT SET Mode is automatically activated.

Page 235 - (R10377)

Main Functions SiUS12-928_B45 Function and Control1.9 ECONO OperationOutline CTXS/FTXS-L, CDXS/FDXS-L SeriesECONO operation reduces the maximum operat

Page 236 - (R17410)

SiUS12-928_B Main FunctionsFunction and Control 461.10 HOME LEAVE OperationOutline FDXS-D SeriesHOME LEAVE operation is a function that allows you to

Page 237 - (R10383)

Main Functions SiUS12-928_B47 Function and Control1.11 INTELLIGENT EYE Operation (CTXS/FTXS Series)Outline This function detects the existence of huma

Page 238 - (R10385)

SiUS12-928_B Main FunctionsFunction and Control 481.12 Inverter POWERFUL OperationOutline In order to exploit the cooling and heating capacity to full

Page 239 - (R10388)

Main Functions SiUS12-928_B49 Function and Control1.13 Other Functions1.13.1 Hot-Start FunctionIn order to prevent the cold air blast that normally co

Page 240 - (R10391)

SiUS12-928_B Main FunctionsFunction and Control 501.13.6 Auto-restart FunctionIf a power failure (including one for just a moment) occurs during the o

Page 241 - (R10394)

Function of Thermistor SiUS12-928_B51 Function and Control2. Function of Thermistor<2MXS18GVJU><3MXS24JVJU><4MXS32GVJU>SVDFour way v

Page 242 - (R17268)

SiUS12-928_BTable of Contents v7.14 Capacitor Voltage Check... 2007.15 Power Mo

Page 243 - (R10400)

SiUS12-928_B Function of ThermistorFunction and Control 52(1) Outdoor Heat Exchanger Thermistor1. The outdoor heat exchanger thermistor is used for co

Page 244 - (R17142)

Function of Thermistor SiUS12-928_B53 Function and Control(5) Liquid Pipe Thermistor1. When only one indoor unit is in heating, the liquid pipe thermi

Page 245 - (R10539)

SiUS12-928_B Control SpecificationFunction and Control 543. Control Specification3.1 Mode HierarchyOutline Air conditioner control has normal operatio

Page 246 - (R10395)

Control Specification SiUS12-928_B55 Function and Control3.2 Frequency ControlOutline Frequency that corresponds to each room’s capacity is determined

Page 247 - (R10402)

SiUS12-928_B Control SpecificationFunction and Control 56Indoor Frequency Command (D signal)The difference between a room thermistor temperature and

Page 248 - (R10406)

Control Specification SiUS12-928_B57 Function and Control3.3 Controls at Mode Changing / Start-up3.3.1 Preheating OperationOutline The inverter operat

Page 249 - (R10409)

SiUS12-928_B Control SpecificationFunction and Control 583.3.5 Compressor Protection FunctionWhen turning the compressor from OFF to ON, the upper lim

Page 250 - (R10410)

Control Specification SiUS12-928_B59 Function and Control3.5 Input Current ControlOutline An input current is detected by the CT while the compressor

Page 251 - (R10413)

SiUS12-928_B Control SpecificationFunction and Control 603.7 Heating Peak-cut ControlOutline During heating operation, the indoor heat exchanger tempe

Page 252 - (R10542)

Control Specification SiUS12-928_B61 Function and Control3.8 Outdoor Fan Control1. Fan ON control to cool down the electrical boxThe outdoor fan is tu

Page 253 - (R17412)

Safety Considerations SiUS12-928_Bvi 1. Safety ConsiderationsRead these SAFETY CONSIDERATIONS carefully before performing any repair work. Comply wi

Page 254 - (R10541)

SiUS12-928_B Control SpecificationFunction and Control 623.10 Defrost ControlOutline Defrosting is carried out by the cooling cycle (reverse cycle). T

Page 255 - (R10419)

Control Specification SiUS12-928_B63 Function and Control3.11 Low Hz High Pressure LimitOutline The system controls the upper limit of the frequency t

Page 256 - (R10431)

SiUS12-928_B Control SpecificationFunction and Control 64Detail The followings are the examples of outdoor electronic expansion valve control which fu

Page 257 - (R10432)

Control Specification SiUS12-928_B65 Function and Control3.12.1 Fully Closing with Power onThe outdoor electronic expansion valve is initialized when

Page 258 - (R10435)

SiUS12-928_B Control SpecificationFunction and Control 663.12.8 Control for Disconnection of the Discharge Pipe ThermistorOutline The disconnection of

Page 259 - (R10437)

Control Specification SiUS12-928_B67 Function and Control3.12.11Target Discharge Pipe Temperature ControlThe target discharge pipe temperature is obta

Page 260 - (R10439)

SiUS12-928_B Control SpecificationFunction and Control 683.13 Malfunctions3.13.1 Sensor Malfunction DetectionSensor malfunction may occur either in th

Page 261 - (R10440)

Control Specification SiUS12-928_B69 Function and Control3.13.4 Anti-icing FunctionIf the indoor heat exchanger’s temperature drops below the specifie

Page 262 - Field Settings

SiUS12-928_BOperation Manual 70Part 5Operation Manual1. System Configuration...

Page 263 - (R14566)

System Configuration SiUS12-928_B71 Operation Manual1. System ConfigurationAfter installation and trial operation of the room air conditioner are comp

Page 264 - 4MXS32GVJU

SiUS12-928_B Safety Considerationsvii• Do not repair the electrical components with wet hands. Working on the equipment with wet hands may cause an el

Page 265 - (R17371)

SiUS12-928_B CTXS-J, CTXS-H, FTXS-H SeriesOperation Manual 722. CTXS-J, CTXS-H, FTXS-H Series2.1 Remote ControllerName of PartsRemote Controller: ARC4

Page 266

CTXS-J, CTXS-H, FTXS-H Series SiUS12-928_B73 Operation ManualPage 21Page 14,15Page 18Page 12Page 10Page 20,21Page 20,21Page 20Page 17• Changes the ON/

Page 267 - (R14476)

SiUS12-928_B CTXS-J, CTXS-H, FTXS-H SeriesOperation Manual 742.2 AUTO · DRY · COOL · HEAT · FAN Operation AUTO · DRY · COOL · HEAT · FAN OperationThe

Page 268 - (R16394)

CTXS-J, CTXS-H, FTXS-H Series SiUS12-928_B75 Operation Manual To change the airflow rate settingPress .DRY operationAUTO or COOL or HEAT or FAN

Page 269 - (R17373)

SiUS12-928_B CTXS-J, CTXS-H, FTXS-H SeriesOperation Manual 762.3 Adjusting the Airflow DirectionAdjusting the Airflow Direction1. Press .Y

Page 270 - (R17374)

CTXS-J, CTXS-H, FTXS-H Series SiUS12-928_B77 Operation Manual To start 3-D airflow To cancel 3-D airflowNOTE1. 3. Press the and the

Page 271 - 5.1.3 NIGHT QUIET Mode

SiUS12-928_B CTXS-J, CTXS-H, FTXS-H SeriesOperation Manual 782.4 INTELLIGENT EYE OperationINTELLIGENT EYE Operation“INTELLIGENT EYE” is the infrared s

Page 272 - (R14477)

CTXS-J, CTXS-H, FTXS-H Series SiUS12-928_B79 Operation Manual“INTELLIGENT EYE” is useful for energy saving Energy saving operation Notes on INTELLIG

Page 273 - ADDRESS:JA

SiUS12-928_B CTXS-J, CTXS-H, FTXS-H SeriesOperation Manual 802.5 POWERFUL OperationPOWERFUL OperationPOWERFUL operation quickly maximizes the cooling

Page 274 - (R12065)

CTXS-J, CTXS-H, FTXS-H Series SiUS12-928_B81 Operation Manual2.6 OUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET OperationOUTDOOR UNIT QUIET operation

Page 275 - <Example>

SiUS12-928_B1 List of FunctionsPart 1List of Functions1. Functions...

Page 276 - Appendix

SiUS12-928_B CTXS-J, CTXS-H, FTXS-H SeriesOperation Manual 822.7 HOME LEAVE OperationHOME LEAVE OperationHOME LEAVE operation is a function which allo

Page 277 - 1. Piping Diagrams

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Page 278 - CDXS15/18LVJU

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Page 279 - 1.2 Outdoor Unit

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Page 280

SiUS12-928_B CTXS-J, CTXS-H, FTXS-H SeriesOperation Manual 862.9 Note for Multi System1. With the priority room setting present but inactive or not pr

Page 281 - INTELLIGENT EYE

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Page 282 - FTXS15/18LVJU

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Page 283 - FDXS09/12LVJU, CDXS15/18LVJU

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Page 284 - 2.2 Outdoor Unit

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Page 285

CTXS-L, FTXS-L Series SiUS12-928_B91 Operation Manual12 . To change the temperature settingPress or .• The displayed items on the LCD

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