Daikin FTKE25BVM, Service Manual

Page: 82 / 298

Si12-411A
Function and Control 71
Part 4
Function and Control
1. Main Functions......................................................................................72
1.1 Frequency Principle................................................................................72
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........74
1.3 Fan Speed Control for Indoor Units........................................................75
1.4 Programme Dry Function .......................................................................76
1.5 Automatic Operation...............................................................................77
1.6 Night Set Mode.......................................................................................78
1.7 Intelligent Eye.........................................................................................79
1.8 Home Leave Operation ..........................................................................81
1.9 Inverter Powerful Operation ...................................................................82
1.10 Other Functions......................................................................................83
2. Function of Main Structural Parts..........................................................85
2.1 Main Structural Parts..............................................................................85
2.2 Function of Thermistor ...........................................................................86
3. Control Specification .............................................................................90
3.1 Mode Hierarchy ......................................................................................90
3.2 Frequency Control..................................................................................91
3.3 Controls at Mode Changing / Start-up....................................................93
3.4 Discharge Pipe Control ..........................................................................94
3.5 Input Current Control..............................................................................94
3.6 Freeze-up Protection Control .................................................................95
3.7 Heating Peak-cut Control .......................................................................95
3.8 Fan Control.............................................................................................96
3.9 Moisture Protection Function 2...............................................................96
3.10 Defrost Control .......................................................................................97
3.11 Low Hz High Pressure Limit ...................................................................98
3.12 Electronic Expansion Valve Control .......................................................98
3.13 Malfunctions .........................................................................................103
3.14 Forced Operation Mode .......................................................................104
3.15 Wiring-Error Check...............................................................................105
3.16 Additional Function...............................................................................107