Part 4 Functions And Control - Daikin FTXR-T Series Service Manual

1. Main Functions..........................................................................................23
2. Thermistor Functions ................................................................................44
3. Control Specification .................................................................................45
22
Functions and Control
1.1 Temperature Control .................................................................................. 23
1.2 Frequency Principle.................................................................................... 23
1.3 Airflow Direction Control............................................................................. 25
1.4 Fan Speed Control for Indoor Unit ............................................................. 26
1.5 Program Dry Operation .............................................................................. 27
1.6 Automatic Cooling/Heating Changeover .................................................... 28
1.7 Thermostat Control..................................................................................... 29
1.8 NIGHT SET Mode ...................................................................................... 30
1.9 ECONO Operation .................................................................................... 31
1.10 2-Area INTELLIGENT EYE Operation ....................................................... 32
1.11 POWERFUL Operation .............................................................................. 34
1.12 Multi-Monitor Lamp/TIMER Lamp .............................................................. 35
1.13 Clock Setting .............................................................................................. 36
1.14 WEEKLY TIMER Operation ....................................................................... 37
1.15 Other Functions.......................................................................................... 43
3.1 Mode Hierarchy .......................................................................................... 45
3.2 Frequency Control...................................................................................... 46
3.3 Controls at Mode Changing/Start-up.......................................................... 48
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 Outdoor Fan Control................................................................................... 53
3.9 Liquid Compression Protection Function.................................................... 53
3.10 Defrost Control ........................................................................................... 54
3.11 Electronic Expansion Valve Control ........................................................... 55
3.12 Malfunctions ............................................................................................... 58
SiUS041829E
Part 4

Part 4 Functions and Control