DAIKIN ROOM AIR CONDITIONEROPERATION MANUALMODELSFDXS09LVJUFDXS12LVJUCDXS15LVJUCDXS18LVJUEnglishFrançaisEspañol

operation manual

Safety Precautions

Names of Parts

front cover

quiet button

Preparation before Operation

AUTO · DRY · COOL · HEAT · FAN

operating conditions

Adjusting the Airﬂ ow Rate

POWERFUL Operation

OUTDOOR UNIT QUIET Operation

ECONO Operation

OFF TIMER Operation

ON TIMER Operation

Note for Multi System

care and cleaning

drain pan

Troubleshooting

during operation

call the service shop immediately

Daikin FDXS09LVJU Operation Manual

safety cautions

Part 1 List of Functions

Functions

Part 2 Specifications

Indoor Unit

Outdoor Unit

Part 3 Printed Circuit Board Connector Wiring Diagram

FTXS15/18LVJU

FDXS09/12LVJU, CDXS15/18LVJU

FVXS09/12/15/18NVJU

FFQ09/12/15/18LVJU

Wired Remote Controller

BRC1E72/73

Wireless Remote Controller

Part 4 Functions and Control

Functions for CTXS, FTXS, CDXS, FDXS, FVXS Series

Airflow Direction Control (CTXS, FTXS, FVXS Series)

Fan Speed Control for Indoor Unit

Program Dry Operation

Automatic Operation

Thermostat Control

NIGHT SET Mode

INTELLIGENT EYE Operation (CTXS, FTXS Series)

Inverter POWERFUL Operation

Clock Setting

WEEKLY TIMER Operation (CTXS, FTXS, FVXS Series)

function and control

Other Functions

Functions for FFQ Series

Thermostat Sensor in Remote Controller

Freeze Prevention Control

Hot Start Control (In Heating Operation Only)

Control Specification

Mode Hierarchy

Frequency Control

Controls at Mode Changing/Start-up

Discharge Pipe Temperature Control

Input Current Control

Freeze-up Protection Control

Outdoor Fan Control

Defrost Control

Low Hz High Pressure Limit

Electronic Expansion Valve Control

pressure equalizing control

Malfunctions

Part 5 Remote Controller

CTXS, FTXS Series

CDXS, FDXS Series

FVXS Series

FFQ Series

BRC1E72/73> Wired Remote Controller

operation lamp

airflow direction

BRC7E830> Wireless Remote Controller

Part 6 Service Diagnosis

General Problem Symptoms and Check Items

Troubleshooting with LED

Service Diagnosis

Code Indication on Remote Controller

Troubleshooting for CTXS, FTXS, CDXS, FDXS, FVXS Series

Freeze-up Protection Control/Heating Peak-cut Control

Fan Motor or Related Abnormality

Thermistor or Related Abnormality

Signal Transmission Error (Between Indoor Unit and Outdoor Unit)

Unspecified Voltage (Between Indoor Unit and Outdoor Unit)

Troubleshooting for FFQ Series

Drain Level Control System Abnormality

Fan Motor (AC Motor) or Related Abnormality

Drain System Abnormality

Remote Controller Thermistor Abnormality

remote controller

Field Setting Abnormality

Troubleshooting for Outdoor Unit

Low-voltage Detection or Over-voltage Detection

Wiring Error Check Unexecuted

Unspecified Voltage (Between Indoor Unit and Outdoor Unit Anti-icing Control in Other Rooms

Anti-icing Control for Indoor Unit

Outdoor Unit PCB Abnormality

OL Activation (Compressor Overload)

Compressor Lock

dc fan lock

Input Overcurrent Detection

Four Way Valve Abnormality

High Pressure Control in Cooling

Compressor Sensor System Abnormality

Position Sensor Abnormality

CT or Related Abnormality

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

SUPER MULTI NX CDXS15LVJU

Part 1 Multi-Split Type Air Conditioners 2/3/4MXS-N Series

Power Supply

Specifications

Combination Capacity: 2MXS18NMVJU

Combination Capacity: 3MXS24NMVJU

Combination Capacity: 4MXS36NMVJU

Dimensions

Wiring Diagrams

wiring diagram

Piping Diagrams

Capacity Tables

MXS24NMVJU

MXS36NMVJU

Operation Limit

Fan Characteristics

Sound Level

Electric Characteristics

Part 2 Installation Manual

CTXG Series

CTXS, FTXS, CDXS, FDXS Series

CTXS07LVJU, FTXS09/12LVJU

FTXS15/18/24LVJU

FDXS09/12LVJU, CDXS15/18/24LVJU

BYFQ60B3W1> Decoration Panel

BYFQ60C2W1W(S)> Decoration Panel

BRC1E73> Wired Remote Controller

BRC082A41W, BRC082A42W(S)> Wireless Remote Controller

Part 3 Operation Manual

CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series

Safety Considerations

AUTO · DRY · COOL · HEAT · FAN Operation

Adjusting the Airflow Direction and Rate

COMFORT AIRFLOW / INTELLIGENT EYE Operation

POWERFUL / ECONO / OUTDOOR UNIT QUIET Operation

ECONO / OUTDOOR UNIT QUIET Operation

TIMER Operation

WEEKLY TIMER Operation

Care and Cleaning

Quick Reference

With <BRC1E73> Wired Remote Controller

Part 4 Options

Option List

Control Devices

BRC944B2> Wired Remote Controller

KRP1C75> Adaptor for Wiring

KRP4A74> Wiring Adaptor for Electrical Appendices

KRP1BA101> Installation Box for Adaptor PCB

KRCS01-4B> Remote Sensor

Options for Indoor Unit

BRYQ60A2W(S)> Sensor Kit

KDBQ44BA60A> Panel Spacer

installation of the decoration panel

KDDQ44XA60> Fresh Air Intake Kit

Options for Outdoor Unit

KKG063A42> Back Protection Wire Net

KKG063A43> Side Protection Wire Net

FDXS, CDXS Series

FFQ09/12/15/18Q2VJU

Wireless Remote Controller Kit

Common Functions

CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series Functions

Area INTELLIGENT EYE Operation

INTELLIGENT EYE Operation

Multi-Monitor Lamp/TIMER Lamp

functions and control

FFQ Series Functions

Setback Function (With Wired Remote Controller BRC1E73)

Presence and Floor Sensors (Option)

Applicable Remote Controller

ARC466A36

mode button

ARC452A21

ARC452A23

ARC466A21

BRC1E73 (Wired Remote Controller)

operation mode

BRC082A41W, BRC082A42W(S) (Wireless Remote Controller Kit)

Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS FVXS Series

Indoor Fan Motor or Related Abnormality

Front Panel Open/Close Fault

Mismatching of Indoor Unit and Outdoor Unit

Indoor Fan Motor (DC Motor) or Related Abnormality

Humidifier or Related Abnormality

Presence Sensor or Floor Sensor Abnormality

Safety Cautions

Warnings and Cautions Regarding Safety of Users

Icons Used

Revision History