Function And Control; Part - Daikin FTXS30HVJU Service Manual

SiUS04-924
1. Main Functions..........................................................................................12
2. Function of Thermistor ..............................................................................26
3. Control Specification .................................................................................27

Function and Control

Function and Control
1.1 Frequency Principle.................................................................................... 12
1.2 Airflow Direction Control............................................................................. 14
1.3 Fan Speed Control for Indoor Units............................................................ 15
1.4 Program Dry Function ................................................................................ 16
1.5 Automatic Operation................................................................................... 17
1.6 Thermostat Control..................................................................................... 18
1.7 NIGHT SET Mode ...................................................................................... 19
1.8 ECONO Mode ............................................................................................ 20
1.9 INTELLIGENT EYE .................................................................................... 21
1.10 Inverter POWERFUL Operation ................................................................. 23
1.11 Other Functions.......................................................................................... 24
3.1 Mode Hierarchy .......................................................................................... 27
3.2 Frequency Control...................................................................................... 28
3.3 Controls at Mode Changing / Start-up........................................................ 30
3.4 Discharge PipeTemperature Control.......................................................... 32
3.5 Input Current Control.................................................................................. 33
3.6 Freeze-up Protection Control ..................................................................... 34
3.7 Fan Control................................................................................................. 35
3.8 Liquid Compression Protection Function 2................................................. 35
3.9 Electronic Expansion Valve Control ........................................................... 37
3.10 Malfunctions ............................................................................................... 40
3.11 Forced Operation Mode ............................................................................. 41
3.12 Additional Functions ................................................................................... 41
3.13 Facility Setting Switch (cooling at low outdoor temperature)...................... 42

Part 4

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