SiUS091601EA
43 Part 4 Functions and Control
1. Common Functions ...................................................................................44
1.1 Temperature Control .................................................................................. 44
1.2 Frequency Principle.................................................................................... 44
2. Functions for FTX, FVXS Series ...............................................................46
2.1 Airflow Direction Control............................................................................. 46
2.2 COMFORT AIRFLOW Operation ............................................................... 49
2.3 Fan Speed Control for Indoor Unit ............................................................. 50
2.4 Program Dry Operation .............................................................................. 51
2.5 Automatic Cooling/Heating Changeover .................................................... 52
2.6 Thermostat Control..................................................................................... 53
2.7 NIGHT SET Mode ...................................................................................... 54
2.8 ECONO Operation .................................................................................... 55
2.9 INTELLIGENT EYE Operation ................................................................... 56
2.10 POWERFUL Operation .............................................................................. 57
2.11 Clock Setting .............................................................................................. 58
2.12 WEEKLY TIMER Operation ....................................................................... 59
2.13 Other Functions.......................................................................................... 65
3. Functions for FDMQ Series.......................................................................66
3.1 Fan Speed Control for Indoor Unit ............................................................. 66
3.2 Program Dry Operation .............................................................................. 67
3.3 Clock and Calender Setting (With BRC1E73) ............................................ 68
3.4 Schedule Timer Operation (With BRC1E73).............................................. 70
3.5 Drain Pump Control.................................................................................... 73
3.6 Hot Start Control (In Heating Operation Only)............................................ 75
3.7 Other Functions.......................................................................................... 76
4. Thermistor Functions ................................................................................77
5. Control Specification .................................................................................78
5.1 Mode Hierarchy .......................................................................................... 78
5.2 Frequency Control...................................................................................... 78
5.3 Controls at Mode Changing/Start-up.......................................................... 80
5.4 Discharge Pipe Temperature Control......................................................... 82
5.5 Input Current Control.................................................................................. 83
5.6 Freeze-up Protection Control ..................................................................... 84
5.7 Heating Peak-cut Control ........................................................................... 84
5.8 Outdoor Fan Control................................................................................... 85
5.9 Liquid Compression Protection Function.................................................... 85
5.10 Defrost Control ........................................................................................... 86
5.11 Electronic Expansion Valve Control ........................................................... 87
5.12 Malfunctions ............................................................................................... 90
Part 4
Functions and Control