Table Of Contents - Daikin FTXS09DVJU Service Manual

1. Introduction ............................................................................................... vi
Part 1 List of Functions ...................................................................1
1. List of Functions ......................................................................................... 2
Part 2 Specifications .......................................................................3
1. Specifications ............................................................................................. 4
Part 3 Printed Circuit Board Connector Wiring Diagram ................7
1. Printed Circuit Board Connector Wiring Diagram....................................... 8
Part 4 Function and Control...........................................................17
1. Main Functions......................................................................................... 19
2. Function of Thermistor ............................................................................. 33
3. Control Specification (09/12 Class).......................................................... 34
ii
1.1 Safety Cautions ...........................................................................................vi
1.2 Used Icons ...................................................................................................x
1.1 FTXS09/12DVJU......................................................................................... 8
1.2 FTXS15/18/24DVJU.................................................................................. 10
1.3 RX09/12FVJU ........................................................................................... 12
1.4 RX15/18/24FVJU ...................................................................................... 14
1.1 Frequency Principle................................................................................... 19
1.2 Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing ............. 21
1.3 Fan Speed Control for Indoor Units........................................................... 22
1.4 Programme Dry Function .......................................................................... 23
1.5 Automatic Operation.................................................................................. 24
1.6 Thermostat Control.................................................................................... 25
1.7 NIGHT SET Mode ..................................................................................... 26
1.8 INTELLIGENT EYE ................................................................................... 27
1.9 HOME LEAVE Operation .......................................................................... 29
1.10 Inverter POWERFUL Operation ................................................................ 30
1.11 Other Functions......................................................................................... 31
2.1 Heat Pump Model...................................................................................... 33
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........................................................ 38
3.5 Input Current Control................................................................................. 39
3.6 Freeze-up Protection Control .................................................................... 39
3.7 Heating Peak-cut Control .......................................................................... 40
3.8 Fan Control................................................................................................ 40
3.9 Liquid Compression Protection Function 2................................................ 40
3.10 Defrost Control .......................................................................................... 41
3.11 Electronic Expansion Valve Control .......................................................... 42
3.12 Malfunctions .............................................................................................. 45
3.13 Forced Operation Mode ............................................................................ 46
SiUS04-702

Table of Contents