Daikin FTX50K(M/2)V1B - Part 4 - Functions and Control

SiBE041525F
Functions and Control 14
Part 4
Functions and Control
1. Main Functions......................................................................................15
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 Inverter POWERFUL Operation .............................................................23
1.11 Other Functions......................................................................................24
2. Thermistor Functions ............................................................................25
3. Control Specification .............................................................................26
3.1 Mode Hierarchy ......................................................................................26
3.2 Frequency Control..................................................................................27
3.3 Controls at Mode Changing / Start-up....................................................29
3.4 Discharge Pipe Temperature Control.....................................................31
3.5 Input Current Control..............................................................................32
3.6 Freeze-up Protection Control .................................................................33
3.7 Heating Peak-cut Control .......................................................................33
3.8 Outdoor Fan Control...............................................................................34
3.9 Liquid Compression Protection Function................................................34
3.10 Defrost Control .......................................................................................35
3.11 Electronic Expansion Valve Control .......................................................36
3.12 Malfunctions ...........................................................................................39