Part 4 Function And Control - Daikin FTKN09NMVJU Service Manual

SiUS041501E
1. Main Functions..........................................................................................23
2. Function of Thermistor ..............................................................................33
3. Control Specification .................................................................................34
Function and Control
Function 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 Operation................................................................................... 28
1.7 Thermostat Control..................................................................................... 29
1.8 NIGHT SET Mode ...................................................................................... 30
1.9 ECONO Operation ..................................................................................... 30
1.10 Inverter POWERFUL Operation ................................................................. 31
1.11 Other Functions.......................................................................................... 32
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......................................................... 39
3.5 Input Current Control.................................................................................. 40
3.6 Freeze-up Protection Control ..................................................................... 41
3.7 Heating Peak-cut Control ........................................................................... 41
3.8 Outdoor Fan Control................................................................................... 42
3.9 Liquid Compression Protection Function.................................................... 42
3.10 Defrost Control ........................................................................................... 43
3.11 Electronic Expansion Valve Control ........................................................... 44
3.12 Malfunctions ............................................................................................... 47
Part 4
22