Daikin FTYN25GXV1B Service Manual Download Page 3

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SiBE01-829

Table of Contents

1. Introduction .............................................................................................v

1.1

Safety Cautions ........................................................................................v

1.2

Used Icons .............................................................................................. ix

Part 1 List of Function .................................................................. 1

1. Functions.................................................................................................2

Part 2 Specifications .................................................................... 5

1. Specifications ..........................................................................................6

Part 3 Printed Circuit Board Connector Wiring Diagram ............. 9

1. Printed Circuit Board Connector Wiring Diagram..................................10

1.1

Indoor Unit..............................................................................................10

Part 4 Functions and Control......................................................13

1. Functions...............................................................................................14

1.1

Power-Airflow Flap, Wide-Angle Louvers and Auto-Swing ....................14

1.2

Fan Speed Control for Indoor Units........................................................15

1.3

Thermostat Control.................................................................................16

1.4

Automatic Operation...............................................................................17

1.5

Programme Dry Function .......................................................................18

1.6

Sleep Operation .....................................................................................20

1.7

POWERFUL Operation ..........................................................................21

1.8

Other Functions......................................................................................22

2. Function of Thermistor ..........................................................................23
3. Control Specification .............................................................................24

3.1

Four Way Valve Switching .....................................................................24

3.2

3-Minute Standby ...................................................................................24

3.3

Compressor Protection Function............................................................24

3.4

Freeze-up Protection Control .................................................................24

3.5

Heating Peak-cut Control .......................................................................25

3.6

Defrost Control .......................................................................................26

Part 5 Operation Manual .............................................................27

1. System Configuration............................................................................28
2. Instructions............................................................................................29

2.1

Safety Precautions .................................................................................29

2.2

Names of Parts.......................................................................................31

2.3

Preparation Before Operation ................................................................34

2.4

AUTO • DRY • COOL • HEAT • FAN Operation .....................................37

2.5

Adjusting the Airflow Direction................................................................39

2.6

POWERFUL Operation ..........................................................................40

2.7

QUIET Operation....................................................................................41

2.8

TIMER Operation ...................................................................................42

2.9

PERSONALIZE Operation .....................................................................43

2.10 SLEEP Operation ...................................................................................44
2.11 Care and Cleaning .................................................................................45
2.12 Troubleshooting......................................................................................48