English 1CONTENTSREAD BEFORE OPERATIONSafety precautions ....................................................................... 2Names of parts............................................................................. 4Preparation Before Operation ...................................................... 7OPERATIONAUTO · DRY · COOL · HEAT · FAN Operation.......................... 10POWERFUL Operation.............................................................. 12OUTDOOR UNIT SILENT Operation......................................... 13HOME LEAVE Operation........................................................... 14TIMER Operation ....................................................................... 16CARECare and Cleaning ..................................................................... 18TROUBLE SHOOTINGTrouble Shooting........................................................................ 20

Safety precautions

installation site

Names of parts

i outdoor unit

remote controller

Preparation Before Operation

AUTO · DRY · COOL · HEAT · FAN Operation

POWERFUL Operation

OUTDOOR UNIT SILENT Operation

HOME LEAVE Operation

TIMER Operation

Care and Cleaning

before a long idle period

Trouble Shooting

disposal requirements

fault diagnosis

Daikin FDXS09DVJU Operation Manual

FDXS12DVJU

safety precautions

preparations before installation

outdoor unit installation

refrigerant piping work

drain piping work

installing the duct

connecting electrical wiring

safety considerations

Part

Functions

Specifications

Indoor Unit

Outdoor Unit

Printed Circuit Board Connector Wiring Diagram

CTXS07JVJU, CTXS09/12HVJU, FTXS15/18HVJU

CTXS07LVJU, FTXS09/12LVJU

FTXS15/18LVJU

FDXS09/12DVJU

FDXS09/12LVJU, CDXS15/18LVJU

Function and Control

Main Functions

Airflow Direction Control (CTXS/FTXS Series)

Fan Speed Control for Indoor Unit

Program Dry Operation

Automatic Operation

Thermostat Control

NIGHT SET Mode

ECONO Operation

INTELLIGENT EYE Operation (CTXS/FTXS Series)

Inverter POWERFUL Operation

Other Functions

weekly timer operation

Function of Thermistor

Control Specification

Frequency Control

Controls at Mode Changing / Start-up

Discharge Pipe Temperature Control

Input Current Control

Heating Peak-cut Control

Outdoor Fan Control

Defrost Control

Low Hz High Pressure Limit

pressure equalizing control

Malfunctions

Operation Manual

System Configuration

CTXS-J, CTXS-H, FTXS-H Series

Adjusting the Airflow Direction

INTELLIGENT EYE Operation

OUTDOOR UNIT QUIET Operation

Note for Multi System

CTXS-L, FTXS-L Series

operating conditions

Adjusting the Airflow Direction and Rate

COMFORT AIRFLOW / INTELLIGENT EYE Operation

OFF TIMER Operation

ON TIMER Operation

WEEKLY TIMER Operation

Quick Reference

FDXS-D Series

CDXS-L, FDXS-L Series

Adjusting the Airflow Rate

Service Diagnosis

Troubleshooting with LED

Problem Symptoms and Measures

Service Check Function

ARC433 Series Remote Controller

Code Indication on Remote Controller

Troubleshooting for Indoor Unit

Freeze-up Protection Control or Heating Peak-cut Control

Fan Motor or Related Abnormality

Thermistor or Related Abnormality (Indoor Unit)

Signal Transmission Error (between Indoor Unit and Outdoor Unit)

Unspecified Voltage (between Indoor Unit and Outdoor Unit)

Troubleshooting for Outdoor Unit

using icons

Part 1 List of Functions

List of Functions

Part 2 Specifications

Outdoor Units

Part 3 Printed Circuit Board Connector Wiring Diagram

service monitor pcb

Part 4 Function and Control

Fan Speed Control for Indoor Units

Program Dry Function

Temperature Control

Night Set Mode

INTELLIGENT EYE

Discharge Pipe Control

Freeze-up Protection Control

Fan Control

Electronic Expansion Valve Control

Forced Operation Mode

Wiring-Error Check

Additional Functions

Part 5 Operation Manual

Instruction

Safety Precautions

Names of Parts

outdoor unit

preparation before operation

tips for saving energy

to change the airflow rate setting

to use on timer operation

priority room setting

air filter

front panel

cleaning the air filter

Troubleshooting

Part 6 Service Diagnosis

Caution for Diagnosis

Code Indication on the Remote Controller

Indoor Units

Indoor Unit PCB Abnormality

Freeze-up Protection Control or High Pressure Control

Signal Transmission Error (between Indoor and Outdoor Units)

Unspecified Voltage (between Indoor and Outdoor Units)

Outdoor Unit PCB Abnormality

OL Activation (Compressor Overload)

Compressor Lock

DC Fan Lock

Input Over Current 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

Radiation Fin Temperature Rise

Output Over Current Detection

Insufficient Gas

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error (on Outdoor Unit PCB)

anti-icing function in other rooms / unspecified voltage

Check

electronic expansion valve check

SUPER MULTI NX FDXS09DVJU