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SiBE041012_A

Table of Contents ii

1. Introduction ............................................................................................vi

1.1 Safety Cautions ....................................................................................... vi

1.2 Used Icons ...............................................................................................x

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

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

Part 2 Specifications .................................................................... 4

1. Specifications ..........................................................................................5

Part 3 Printed Circuit Board Connector Wiring Diagram ........... 10

1. Indoor Unit.............................................................................................11

2. Outdoor Unit..........................................................................................14

2.1 RXG25/35J2V1B, RXG25/35K2V1B ......................................................14

2.2 RXG50K2V1B ........................................................................................16

Part 4 Function and Control........................................................18

1. Main Functions......................................................................................19

1.1 Temperature Control ..............................................................................19

1.2 Frequency Principle................................................................................19

1.3 Operation Starting Control......................................................................21

1.4 Airflow Direction Control.........................................................................22

1.5 Fan Speed Control for Indoor Unit .........................................................23

1.6 Program Dry Operation ..........................................................................24

1.7 Automatic Operation...............................................................................25

1.8 Thermostat Control.................................................................................26

1.9 NIGHT SET Mode ..................................................................................27

1.10 ECONO Operation .................................................................................28

1.11 INTELLIGENT EYE Operation ...............................................................29

1.12 Inverter POWERFUL Operation .............................................................30

1.13 Other Functions......................................................................................32

2. Function of Thermistor ..........................................................................33

3. Control Specification .............................................................................34

3.1 Mode Hierarchy ......................................................................................34

3.2 Frequency Control..................................................................................35

3.3 Controls at Mode Changing / Start-up....................................................37

3.4 Discharge Pipe Temperature Control.....................................................39

3.5 Input Current Control..............................................................................40

3.6 Freeze-up Protection Control .................................................................41

3.7 Heating Peak-cut Control .......................................................................41

3.8 Outdoor Fan Control...............................................................................42

3.9 Liquid Compression Protection Function................................................42

3.10 Defrost Control .......................................................................................43

3.11 Outdoor Electronic Expansion Valve Control .........................................44

3.12 Malfunctions ...........................................................................................47

Part 5 Operation Manual ............................................................. 48

1. System Configuration............................................................................49

Brand	Daikin
Model	FTXG25JV1BW
Category	Air Conditioner
Language	English

Daikin FTXG25JV1BW Service Manual

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