Part 4 Function And Control - Daikin FTX50GV1B Service Manual

SiBE041029EB
1. Main Functions......................................................................................17
2. Function of Thermistor ..........................................................................29
3. Control Specification .............................................................................30
Function and Control
Function and Control
1.1 Temperature Control ..............................................................................17
1.2 Frequency Principle................................................................................17
1.3 Airflow Direction Control.........................................................................19
1.4 Fan Speed Control for Indoor Unit .........................................................20
1.5 Program Dry Operation ..........................................................................21
1.6 Automatic Operation...............................................................................22
1.7 Thermostat Control.................................................................................23
1.8 NIGHT SET Mode ..................................................................................24
1.9 HOME LEAVE Operation .......................................................................24
1.10 INTELLIGENT EYE Operation ...............................................................26
1.11 Inverter POWERFUL Operation .............................................................27
1.12 Clock Setting ..........................................................................................27
1.13 Other Functions......................................................................................28
3.1 Mode Hierarchy ......................................................................................30
3.2 Frequency Control..................................................................................31
3.3 Controls at Mode Changing / Start-up....................................................33
3.4 Discharge Pipe Temperature Control.....................................................35
3.5 Input Current Control..............................................................................36
3.6 Freeze-up Protection Control .................................................................37
3.7 Heating Peak-cut Control .......................................................................37
3.8 Outdoor Fan Control...............................................................................38
3.9 Liquid Compression Protection Function................................................38
3.10 Defrost Control .......................................................................................39
3.11 Electronic Expansion Valve Control .......................................................40
3.12 Malfunctions ...........................................................................................43
Part 4
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