Function And Control - Daikin SUPER MULTI NX G Series Service Manual

1. Main Functions..........................................................................................29
2. Function of Thermistor ..............................................................................42
3. Control Specification .................................................................................44
27

Function and Control

1.1 Temperature Control .................................................................................. 29
1.2 Frequency Principle.................................................................................... 29
1.3 Airflow Direction Control (Duct-Free System) ............................................ 31
1.4 Fan Speed Control for Indoor Units............................................................ 32
1.5 Program Dry Operation .............................................................................. 33
1.6 Automatic Operation................................................................................... 34
1.7 Thermostat Control..................................................................................... 35
1.8 NIGHT SET Mode ...................................................................................... 36
1.9 HOME LEAVE Operation ........................................................................... 37
1.10 INTELLIGENT EYE Operation ................................................................... 38
1.11 Inverter POWERFUL Operation ................................................................. 39
1.12 Other Functions.......................................................................................... 40
3.1 Mode Hierarchy .......................................................................................... 44
3.2 Frequency Control...................................................................................... 45
3.3 Controls at Mode Changing / Start-up........................................................ 47
3.4 Discharge Pipe Temperature Control......................................................... 49
3.5 Input Current Control.................................................................................. 49
3.6 Freeze-up Protection Control ..................................................................... 50
3.7 Heating Peak-cut Control ........................................................................... 50
3.8 Outdoor Fan Control................................................................................... 51
3.9 Liquid Compression Protection Function.................................................... 51
3.10 Defrost Control ........................................................................................... 52
3.11 Low Hz High Pressure Limit ....................................................................... 53
3.12 Electronic Expansion Valve Control ........................................................... 53
3.13 Malfunctions ............................................................................................... 57
3.14 Forced Operation Mode ............................................................................. 59
SiUS12-928_A
Part 4
Function and Control