Part 4 Function And Control - Daikin FTX50GV1B Service Manual

SiBE041029EC
1. Main Functions......................................................................................19
2. Function of Thermistor ..........................................................................31
3. Control Specification .............................................................................32
Function and Control
Function and Control
1.1 Temperature Control ..............................................................................19
1.2 Frequency Principle................................................................................19
1.3 Airflow Direction Control.........................................................................21
1.4 Fan Speed Control for Indoor Unit .........................................................22
1.5 Program Dry Operation ..........................................................................23
1.6 Automatic Operation...............................................................................24
1.7 Thermostat Control.................................................................................25
1.8 NIGHT SET Mode ..................................................................................26
1.9 HOME LEAVE Operation .......................................................................26
1.10 INTELLIGENT EYE Operation ...............................................................28
1.11 Inverter POWERFUL Operation .............................................................29
1.12 Clock Setting ..........................................................................................29
1.13 Other Functions......................................................................................30
3.1 Mode Hierarchy ......................................................................................32
3.2 Frequency Control..................................................................................33
3.3 Controls at Mode Changing / Start-up....................................................35
3.4 Discharge Pipe Temperature Control.....................................................37
3.5 Input Current Control..............................................................................38
3.6 Freeze-up Protection Control .................................................................39
3.7 Heating Peak-cut Control .......................................................................39
3.8 Outdoor Fan Control...............................................................................40
3.9 Liquid Compression Protection Function................................................40
3.10 Defrost Control .......................................................................................41
3.11 Electronic Expansion Valve Control .......................................................42
3.12 Malfunctions ...........................................................................................45
Part 4
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