Function And Control12 - Daikin H Series Service Manual

SiUS04-924_A
1. Main Functions..........................................................................................13
2. Function of Thermistor ..............................................................................26
3. Control Specification .................................................................................27
12
Function and Control
1.1 Temperature Control .................................................................................. 13
1.2 Frequency Principle.................................................................................... 13
1.3 Airflow Direction Control............................................................................. 15
1.4 Fan Speed Control for Indoor Unit ............................................................. 17
1.5 Program Dry Operation .............................................................................. 18
1.6 Automatic Operation................................................................................... 19
1.7 Thermostat Control..................................................................................... 20
1.8 NIGHT SET Mode ...................................................................................... 21
1.9 ECONO Operation ..................................................................................... 22
1.10 INTELLIGENT EYE Operation ................................................................... 23
1.11 Inverter POWERFUL Operation ................................................................. 24
1.12 Other Functions.......................................................................................... 25
3.1 Mode Hierarchy .......................................................................................... 27
3.2 Frequency Control...................................................................................... 28
3.3 Controls at Mode Changing / Start-up........................................................ 30
3.4 Discharge Pipe Temperature Control......................................................... 32
3.5 Input Current Control.................................................................................. 33
3.6 Freeze-up Protection Control ..................................................................... 34
3.7 Heating Peak-cut Control ........................................................................... 34
3.8 Outdoor Fan Control................................................................................... 35
3.9 Liquid Compression Protection Function.................................................... 35
3.10 Defrost Control ........................................................................................... 36
3.11 Electronic Expansion Valve Control ........................................................... 37
3.12 Malfunctions ............................................................................................... 40
Part 4
Function and Control