DAIKIN ROOM AIR CONDITIONEROPERATION MANUALMODELSFTXS35K2V1BFTXS42K2V1BFTXS50K2V1BFTXS35K3V1BFTXS42K3V1BFTXS50K3V1B

Daikin FTXS42K2V1B Operation Manual

Part 1 List of Functions ................................................................ 1

safety cautions

Part 1 List of Functions

Functions

Part 2 Specifications

Indoor Unit

specifications

floor standing type

duct connected type

ceiling mounted cassette type

Outdoor Unit

Part 3 Printed Circuit Board Connector Wiring Diagram

CTXS15/35K2V1B, FTXS20/25K2V1B

FTX20/25/35JV1B, FTX20/25/35J2V1B, ATX20/25/35JV1B ATX20/25/35J2V1B

FVXG25/35/50K2V1B

FVXS25/35/50FV1B

FLXS25/35/50BAVMB

FFQ25/35/50B8V1B, FFQ25/35/50B9V1B

Wired Remote Controller

BRC1E51A7

Wireless Remote Controller

Part 4 Function and Control

Function of RA Indoor Unit

Operation Starting Control

Airflow Direction Control

Fan Speed Control for Indoor Unit

RADIANT Operation

Program Dry Operation

Automatic Operation

Thermostat Control

NIGHT SET Mode

ECONO Operation

HOME LEAVE Operation

Area INTELLIGENT EYE Operation

INTELLIGENT EYE Operation

Inverter POWERFUL Operation

Multi-Colored Indicator Lamp / TIMER Lamp

Brightness Setting of Indoor Unit Display

Clock Setting

WEEKLY TIMER Operation

Other Functions

Function of SA Indoor Unit

remote controller

Thermostat Sensor in Remote Controller

Freeze Prevention Control

Hot Start Control (In Heating Operation Only)

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

Outdoor Electronic Expansion Valve Control

Malfunctions

Part 5 Remote Controller

RA Indoor Unit

mode button

FTXS35/42/50K2V1B

FTXS20/25/35/42/50J2V1B

ATXS20/25/35/42/50G2V1B

SA Indoor Unit

operation mode

BRC7E530W

Service Diagnosis

Part 6 Service Diagnosis

Troubleshooting with LED

Problem Symptoms and Measures

Service Check Function

arc452 series remote controller

arc433 series remote controller

Code Indication on Remote Controller

Troubleshooting for RA Indoor Unit

Freeze-up Protection Control or Heating Peak-cut Control

Fan Motor or Related Abnormality

Thermistor or Related Abnormality (RA Indoor Unit)

Front Panel Open / Close Fault (FTXG Series Only)

Troubleshooting for SA Indoor Unit

Drain Level Control System Abnormality

Fan Motor (AC Motor) or Related Abnormality

Drain System Abnormality

Thermistor or Related Abnormality (SA Indoor Unit)

FTXS35K2V1B

installation manual

safety precautions

choosing an installation site

installing the indoor unit

wiring diagram

drain piping

refrigerant piping

operation manual

intelligent eye

Safety Precautions

Name of Parts

front cover

clock button

Preparation before Operation

Operation

operating conditions

and rate

COMFORT AIRFLOW INTELLIGENT EYE Operation

comfort airflow

POWERFUL Operation

ECONO / OUTDOOR UNIT QUIET Operation

OFF TIMER Operation

ON TIMER Operation

copy mode

Note for Multi System

Care and Cleaning

removing the front panel

before a long idle period

Troubleshooting

during operation

call the service shop immediately

Fault diagnosis by remote controller

Quick Reference

indoor unit installation drawings

left-side, left-back, or left-bottom piping

Specifications

RXS42K2V1B

RXS50K2V1B

Main Functions

function and control

compressor protection function

Freeze-up Protection Control

Electronic Expansion Valve Control

pressure equalizing control

Remote Controller

Indoor Unit PCB Abnormality

Freeze-up Protection Control / Heating Peak-cut Control

Fan Motor (DC Motor) or Related Abnormality

Thermistor or Related Abnormality (Indoor Unit)

Refrigerant Shortage

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error (between Indoor Unit and Outdoor Unit)

Unspecified Voltage (between Indoor Unit and Outdoor 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 System Sensor Abnormality

Position Sensor Abnormality

DC Voltage / Current Sensor Abnormality (35/42 Class Only)

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

Radiation Fin Temperature Rise

Output Overcurrent Detection

Check

Fan Motor Connector Output Check

Four Way Valve Performance Check

Inverter Analyzer Check

Rotation Pulse Check on the Outdoor Unit PCB

Installation Condition Check

Outdoor Fan System Check

Power Module Check

Part 7 Tips for Servicing

Tips for Servicing

Trial Operation

Field Settings

Standby Electricity Saving

Jumper Settings

Silicon Grease on Power Transistor / Diode Bridge

Part 8 Appendix

Piping Diagrams

Wiring Diagrams

Removal Procedure (Booklet No.)

Precauciones de seguridad

Nombre de las partes

Preparación previa a la operación

Operación AUTO · SECO · FRÍO

flujo de aire

Funcionamiento FLUJO DE AIRE COMFORTABLE / OJO

INTELIGENTE

Operación POTENTE

Operación ECONO / SILENCIOSA DE LA UNIDAD EXTERIOR

Operación TEMPORIZADOR APAGADO

Operación TEMPORIZADOR DE ENCENDIDO

Operación TEMPORIZADOR

SEMANAL

Nota para el sistema multi

Cuidado y limpieza

Localización de averías

FTXS35K3V1B

FTXS42K2V1B

FTXS42K3V1B

FTXS50K2V1B

FTXS50K3V1B

Perfera FTXS-K