Daikin FTKS50D2V1L [70/359] Part 4 function and control

SiBE12-728

Function and Control 59

Part 4

Function and Control

1. Main Functions......................................................................................60

1.1 Frequency Principle................................................................................60

1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........62

1.3 Operation Starting Control......................................................................64

1.4 Fan Speed Control for Indoor Units........................................................65

1.5 Programme Dry Function .......................................................................66

1.6 Automatic Operation...............................................................................67

1.7 Thermostat Control.................................................................................68

1.8 Night Set Mode.......................................................................................69

1.9 ECONO Mode ........................................................................................70

1.10 INTELLIGENT EYE (Wall Mounted Type Only) .....................................71

1.11 HOME LEAVE Operation .......................................................................73

1.12 Inverter POWERFUL Operation .............................................................74

1.13 Other Functions......................................................................................75

2. Function of Main Structural Parts..........................................................77

2.1 Main Structural Parts..............................................................................77

2.2 Function of Thermistor ...........................................................................78

3. Control Specification .............................................................................82

3.1 Mode Hierarchy ......................................................................................82

3.2 Frequency Control..................................................................................83

3.3 Controls at Mode Changing / Start-up....................................................85

3.4 Discharge Pipe Temperature Control.....................................................86

3.5 Input Current Control..............................................................................86

3.6 Freeze-up Protection Control .................................................................87

3.7 Heating Peak-cut Control .......................................................................87

3.8 Fan Control.............................................................................................88

3.9 Liquid Compression Protection Function 2.............................................88

3.10 Defrost Control .......................................................................................89

3.11 Electronic Expansion Valve Control .......................................................90

3.12 Malfunctions ...........................................................................................94

3.13 Forced Operation Mode .........................................................................95

3.14 Wiring-Error Check.................................................................................96

3.15 Additional Function.................................................................................98