Part 4 Functions And Control - Daikin FTX-N Series Service Manual

SiUS041638EA
1. Main Functions..........................................................................................15
2. Thermistor Functions ................................................................................33
3. Control Specification .................................................................................35
Functions and Control
Functions and Control
1.1 Temperature Control .................................................................................. 15
1.2 Frequency Principle.................................................................................... 15
1.3 Airflow Direction Control............................................................................. 17
1.4 Fan Speed Control for Indoor Unit ............................................................. 18
1.5 Program Dry Operation .............................................................................. 19
1.6 Automatic Operation................................................................................... 20
1.7 Thermostat Control..................................................................................... 21
1.8 NIGHT SET Mode ...................................................................................... 22
1.9 ECONO Operation ..................................................................................... 22
1.10 INTELLIGENT EYE Operation ................................................................... 23
1.11 POWERFUL Operation .............................................................................. 24
1.12 Clock Setting .............................................................................................. 25
1.13 WEEKLY TIMER Operation ....................................................................... 26
1.14 Other Functions.......................................................................................... 32
3.1 Mode Hierarchy .......................................................................................... 35
3.2 Frequency Control...................................................................................... 36
3.3 Controls at Mode Changing/Start-up.......................................................... 38
3.4 Discharge Pipe Temperature Control......................................................... 40
3.5 Input Current Control.................................................................................. 41
3.6 Freeze-up Protection Control ..................................................................... 42
3.7 Heating Peak-cut Control ........................................................................... 42
3.8 Outdoor Fan Control................................................................................... 43
3.9 Liquid Compression Protection Function.................................................... 43
3.10 Defrost Control ........................................................................................... 44
3.11 Electronic Expansion Valve Control ........................................................... 45
3.12 Malfunctions ............................................................................................... 48
Part 4
14