Part 4 Function And Control - Daikin FVXS25FV1B Service Manual

SiBE06-708
1. Main Functions......................................................................................20
2. Function of Thermistor ..........................................................................31
3. Control Specification .............................................................................32
Function and Control
Function and Control
1.1 Frequency Principle................................................................................20
1.2 Wide Angle Louvers and Auto-Swing.....................................................22
1.3 Fan Speed Control for Indoor Units........................................................23
1.4 Programme Dry Function .......................................................................24
1.5 Automatic Operation...............................................................................25
1.6 Thermostat Control.................................................................................26
1.7 Night Set Mode.......................................................................................27
1.8 Inverter POWERFUL Operation .............................................................28
1.9 Other Functions......................................................................................29
1.10 WEEKLY TIMER ....................................................................................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.....................................................38
3.5 Input Current Control..............................................................................39
3.6 Freeze-up Protection Control .................................................................40
3.7 Heating Peak-cut Control .......................................................................40
3.8 Fan Control.............................................................................................41
3.9 Liquid Compression Protection Function 2.............................................41
3.10 Defrost Control .......................................................................................41
3.11 Electronic Expansion Valve Control .......................................................43
3.12 Malfunctions ...........................................................................................46
3.13 Forced Operation Mode .........................................................................47
3.14 Additional Function.................................................................................48
3.15 Facility Setting Switch (cooling at low outdoor temperature)..................49
Part 4
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