Part 4 Function And Control - Daikin CTXS09GVJU Service Manual

SiUS12-814
1. Main Functions..........................................................................................24
2. Function of Thermistor ..............................................................................38
3. Control Specification .................................................................................40
Function and Control
Function and Control
1.1 Frequency Principle.................................................................................... 24
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing .............. 26
1.3 Fan Speed Control for Indoor Units............................................................ 27
1.4 Program Dry Function ................................................................................ 28
1.5 Automatic Operation................................................................................... 29
1.6 Temperature Control .................................................................................. 30
1.7 Night Set Mode........................................................................................... 31
1.8 INTELLIGENT EYE .................................................................................... 32
1.9 HOME LEAVE Operation ........................................................................... 34
1.10 Inverter POWERFUL Operation ................................................................. 35
1.11 Other Functions.......................................................................................... 36
2.1 Heat Pump Model....................................................................................... 38
3.1 Mode Hierarchy .......................................................................................... 40
3.2 Frequency Control...................................................................................... 41
3.3 Controls at Mode Changing / Start-up........................................................ 43
3.4 Discharge Pipe Control .............................................................................. 44
3.5 Input Current Control.................................................................................. 44
3.6 Freeze-up Protection Control ..................................................................... 45
3.7 Heating Peak-cut Control ........................................................................... 45
3.8 Fan Control................................................................................................. 46
3.9 Moisture Protection Function 2................................................................... 46
3.10 Defrost Control ........................................................................................... 47
3.11 Low Hz High Pressure Limit ....................................................................... 49
3.12 Electronic Expansion Valve Control ........................................................... 50
3.13 Malfunctions ............................................................................................... 55
3.14 Forced Operation Mode ............................................................................. 56
3.15 Wiring-Error Check..................................................................................... 57
3.16 Additional Functions ................................................................................... 59
Part 4
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