Table Of Contents; Part 1 List Of Function; Part 3 Printed Circuit Board Connector Wiring Diagram; Part 5 System Configuration - Daikin FTK25JVE9 Service Manual

Inverter pair ftk(x)-j / rk(x)-j series

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Service manual (410 pages)

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Table of Contents

Inverter Pair FTK(X)-J / RK(X)-J Series........................................... i

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

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

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

Part 2 Specification ...................................................................... 3

1. Specifications ..........................................................................................4

Part 3 Printed Circuit Board Connector Wiring Diagram ........... 11

1. Printed Circuit Board Connector Wiring Diagram and Name ................12

Part 4 Main Function ................................................................... 17

1. General Functionality ............................................................................18

Part 5 System Configuration....................................................... 41

1. Instruction..............................................................................................42

Part 6 Service Diagnosis............................................................. 61

1. Caution for Diagnosis............................................................................62

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

1.1 Indoor Unit and Outdoor Unit ...................................................................2

1.1 Cooling Only.............................................................................................4

1.2 Heat Pump ...............................................................................................8

1.1 FTK25/35J Series, FTX25/35J Series....................................................12

1.2 RK25/35J Series, RX25/35J Series .......................................................15

1.1 Functions of Thermistors........................................................................18

1.2 Operating Modes....................................................................................20

1.3 Frequency Principle................................................................................21

1.4 Defrost Control .......................................................................................23

1.5 Forced Operation Mode .........................................................................24

1.6 Wide-angle Flaps, Diffuser, Louveres and Autoswing............................25

1.7 Fan Speed Control for Indoor Units........................................................26

1.8 Fan Speed Control for Outdoor Units.....................................................27

1.9 General Functions ..................................................................................28

1.10 Intelligent Eye.........................................................................................30

1.11 Good Sleep Cooling Control...................................................................32

1.12 Automatic Operation...............................................................................33

1.13 Input Current Control..............................................................................34

1.14 Freeze Protection Function in Cooling ...................................................35

1.15 Peak-Cut Control Function .....................................................................36

1.16 Four-Way Valve Function Compensation...............................................37

1.17 Compressor Protection Function............................................................38

1.18 Wet Operation Protection .......................................................................39

1.19 Dew Condensation Sweating Prevention Function ................................40

1.1 FTK25 / 35J, FTX25 / 35J ......................................................................42

1.1 Troubleshooting with The Operation Lamp ............................................62

Si04-115

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Table of Contents

Table Of Contents; Part 1 List Of Function; Part 3 Printed Circuit Board Connector Wiring Diagram; Part 5 System Configuration - Daikin FTK25JVE9 Service Manual