EnglishFrançaisEspañolItalianoEλληνικάPyccкийTürkçeMODELSFTXZ25NV1BFTXZ35NV1BFTXZ50NV1BDAIKIN ROOM AIR CONDITIONEROPERATION MANUAL

operation manual

Cтр

Daikin FTXZ25NV1B Operation Manual

safety cautions

Part 1 List of Functions

Functions

Part 2 Specifications

Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit

Outdoor Unit

Part 4 Function and Control

Main Functions

Airflow Direction Control

Fan Speed Control for Indoor Unit

Thermostat Control

URURU HUMIDIFY / HUMID HEATING Operation

SARARA DRY / DRY COOLING Operation

AUTO Operation

Sensor Operation

ECONO / OUTDOOR UNIT QUIET Operation

POWERFUL Operation

Air Purifying and Ventilation

MOLD PROOF Operation

INFORMATION

TIMER Operation

COMFORT SLEEP TIMER Operation

Other Functions

Control Specification

Controls at Mode Changing / Start-up

compressor protection function

Discharge Pipe Temperature Control

Input Current Control

Freeze-up Protection Control

Draught Prevention Control (Hot-Start Function)

Dew Prevention Control

Defrost Control

Electronic Expansion Valve Control

Part 5 Installation / Operation Manual

Installation Manual

safety precautions

choosing an installation site

drain piping

refrigerant piping

installation tips

pump down operation

Operation Manual

preparation before operation

to set the position where the indoor unit is installed

to set operation modes

to operate wisely using the sensor

to use the timer

to ensure a comfortable sleep

to guarantee high heating capacity when you wake up

to increase the cooling or heating power

econo operation

call the service shop immediately

Part 6 Service Diagnosis

Service Diagnosis

Troubleshooting

Air conditioner does not run

Air conditioner runs but does not cool (heat) the room

When operation starts, safety breaker works

Air conditioner makes big noise and vibration

Air is not humidified enough

FLASH STREAMER AIR PURIFYING operation does not run

INTELLIGENT EYE operation does not run

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)

Humidity Sensor (for Humidifying Humidifying Thermistor Abnormality

Humidity Sensor (for Room) Abnormality

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

Power Factor Correction Circuit Abnormality

Position Sensor Abnormality

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

Radiation Fin Temperature Rise

Output Overcurrent Detection

Humidifier Fan Motor System Abnormality / Fan Lock

Heater Wire Abnormality

Humidifying Thermistor Abnormality Humidifying Heater Temperature Abnormality

Refrigerant Shortage

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error (Between Indoor Unit and Outdoor Unit)

Outdoor Unit PCB Abnormality or Communication Circuit Abnormality

Signal Transmission Error on Microcomputer for Humidifying

Unspecified Voltage (Between Indoor Unit and Outdoor Unit)

Improper Power Supply Wiring

Incomplete Setting for Hose Length

Lights-out of Microcomputer Status Lamp

FTXZ25NV1B

Safety precautions

installation site

Names and functions of parts

clock button

Preparation before operation

To set the position where the indoor unit is installed

To set operation modes

To adjust the airfl ow

to adjust the airfl ow

To operate wisely using the sensor

To use the timer

To ensure a comfortable sleep

COMFORT SLEEP TIMER

To guarantee high heating capacity when you wake up

QUICK HEATING TIMER

To increase the cooling or heating power

flash streamer air purifying operation

POWERFUL

mold proof operation

indoor unit

remote controller

Safety Precautions

important information regarding the refrigerant used

Accessories

Outdoor unit

Indoor/Outdoor Unit Installation Drawings

Indoor Unit Installation

Humidifying hose installation work

Laying piping, hoses, and wiring

Wiring

Drain piping

Outdoor Unit Installation Guidelines

Refrigerant piping

Evacuating the air with a vacuum pump and checking gas leakage

Connecting the humidifying hose

Installation Tips

How to set the different addresses

Trial Operation and Testing

Test items

Front Panel

Streamer Unit / Dust Box

Filters

Front Grilles / Horizontal Blades

Electrical Box / PCBs

Filter Cleaning Unit

Humidifying Duct

Swing Motors

Indoor Heat Exchanger

Fan Rotor / Fan Motor

FTXZ35NV1B

FTXZ50NV1B


Contents operation manual Table Of Contents Table Of Contents Table Of Contents Table Of Contents Cтр	EnglishFrançaisEspañolItalianoEλληνικάPyccкийTürkçeMODELSFTXZ25NV1BFTXZ35NV1BFTXZ50NV1BDAIKIN ROOM AIR CONDITIONEROPERATION MANUAL Next / 48