Daikin FTXD25DV2Z [3/226] Part 2 specifications

Daikin FTKD25DVMA [3/226] Part 2 specifications

Si04-803

ii Table of Contents

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

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

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

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

1. List of Functions......................................................................................2

1.1 R-410A Models.........................................................................................2

1.2 R-22 Models .............................................................................................5

Part 2 Specifications .................................................................... 9

1. Specifications ........................................................................................10

1.1 Cooling Only...........................................................................................10

1.2 Heat Pump .............................................................................................15

Part 3 Printed Circuit Board Connector Wiring Diagram ........... 19

1. Printed Circuit Board Connector Wiring Diagram..................................20

1.1 Indoor Unit..............................................................................................20

1.2 Outdoor Unit ...........................................................................................26

Part 4 Function and Control....................................................... 29

1. Main Functions......................................................................................30

1.1 Frequency Principle................................................................................30

1.2 Airflow Direction Control.........................................................................32

1.3 Fan Speed Control for Indoor Units........................................................33

1.4 Programme Dry Function .......................................................................34

1.5 Automatic Operation...............................................................................35

1.6 Thermostat Control.................................................................................36

1.7 NIGHT SET Mode ..................................................................................37

1.8 ECONO Mode ........................................................................................38

1.9 MOLD PROOF Operation ......................................................................39

1.10 INTELLIGENT EYE ................................................................................40

1.11 Inverter POWERFUL Operation .............................................................42

1.12 Other Functions......................................................................................43

2. Function of Thermistor ..........................................................................44

2.1 Heat Pump Model...................................................................................44

2.2 Cooling Only Model ................................................................................45

3. Control Specification .............................................................................46

3.1 Mode Hierarchy ......................................................................................46

3.2 Frequency Control..................................................................................47

3.3 Controls at Mode Changing / Start-up....................................................49

3.4 Discharge Pipe Temperature Control.....................................................50

3.5 Input Current Control..............................................................................51

3.6 Freeze-up Protection Control .................................................................52

3.7 Heating Peak-cut Control .......................................................................52

3.8 Fan Control.............................................................................................53

3.9 Liquid Compression Protection Function 2.............................................53

3.10 Defrost Control .......................................................................................54

3.11 Electronic Expansion Valve Control .......................................................55

3.12 Malfunctions ...........................................................................................58

Daikin FTXD25DV2Z [3/226] Part 2 specifications

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