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SIE-86

ii Table of Contents

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

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

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

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

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

Part 2 Printed Circuit Board Connector Wiring Diagram .............3

1. Printed Circuit Board Connector Wiring Diagram and Name..................4

1.1 FTK25/35J Series, FTX25/35J Series..................................................... 4

1.2 RK25/35J Series, RX25/35J Series......................................................... 6

Part 3 Main Function.....................................................................9

1. General Functionality ............................................................................10

1.1 Functions of Thermistors....................................................................... 10

1.2 Operating Modes................................................................................... 12

1.3 Frequency Principle............................................................................... 13

1.4 Defrost Control ...................................................................................... 15

1.5 Forced Operation Mode......................................................................... 16

1.6 Wide-angle Flaps, Diffuser, Louvres and Autoswing............................. 17

1.7 Fan Speed Control for Indoor Units....................................................... 19

1.8 Fan Speed Control for Outdoor Units.................................................... 20

1.9 General Functions ................................................................................. 21

1.10 Intelligent Eye (J type)........................................................................... 23

1.11 Good Sleep Cooling Control (J Type).................................................... 25

1.12 Automatic Operation.............................................................................. 26

1.13 Input Current Control (H / J Type) ......................................................... 27

1.14 Freeze Protection Function in Cooling. (H / J Type).............................. 28

1.15 Peak-Cut Control Function (H / J Type) ................................................ 29

1.16 Four-Way Valve Function Compensation (H / J Type).......................... 30

1.17 Compressor Protection Function (H / J Type) ....................................... 31

1.18 Wet Operation Protection (H / J Type) .................................................. 32

1.19 Dew Condensation Sweating Prevention Function (H / J type)............. 33

Part 4 System Configuration.......................................................35

1. Instruction..............................................................................................36

1.1 FTK25 / 35J, FTX25 / 35J ..................................................................... 36

Part 5 Service Diagnosis.............................................................51

1. Caution for Diagnosis............................................................................52

1.1 Troubleshooting with The Operation Lamp ........................................... 52

2. Problem Symptoms and Measures.......................................................54

3. Service Check Function ........................................................................55

3.1 ARC423 Series...................................................................................... 55

4. Code Indication on The Remote Controller...........................................56

4.1 Error Codes and Description of Fault .................................................... 56

5. Troubleshooting ....................................................................................57

5.1 Indoor Units ........................................................................................... 57

Si-86.book Page ii Friday, June 23, 2000 10:26 AM

Brand	Daikin
Model	FTK25JV1NB
Category	Inverter
Language	English

Daikin FTK25JV1NB User Manual

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