Daikin FTXS30LVJU, Service Manual, Page: 4 / 414

SiUS091133
Table of Contents iii
1.12 Other Functions.......................................................................................... 40
2. Function of Thermistor ..............................................................................41
3. Control Specification .................................................................................42
3.1 Mode Hierarchy .......................................................................................... 42
3.2 Frequency Control...................................................................................... 43
3.3 Controls at Mode Changing / Start-up........................................................ 45
3.4 Discharge Pipe Temperature Control......................................................... 46
3.5 Input Current Control.................................................................................. 47
3.6 Freeze-up Protection Control ..................................................................... 48
3.7 Heating Peak-cut Control ........................................................................... 48
3.8 Outdoor Fan Control................................................................................... 49
3.9 Liquid Compression Protection Function.................................................... 49
3.10 Defrost Control ........................................................................................... 50
3.11 Electronic Expansion Valve Control ........................................................... 51
3.12 Malfunctions ............................................................................................... 54
Part 5
Operation Manual ................................................................ 55
1. System Configuration................................................................................56
2. FTXS Series..............................................................................................57
2.1 Remote Controller ...................................................................................... 57
2.2 AUTO · DRY · COOL · HEAT · FAN Operation .......................................... 59
2.3 Adjusting the Airflow Direction and Rate .................................................... 61
2.4 COMFORT AIRFLOW / INTELLIGENT EYE Operation............................. 64
2.5 POWERFUL Operation .............................................................................. 66
2.6 OUTDOOR UNIT QUIET Operation........................................................... 67
2.7 ECONO Operation ..................................................................................... 68
2.8 OFF TIMER Operation ............................................................................... 69
2.9 ON TIMER Operation ................................................................................. 70
2.10 WEEKLY TIMER Operation ....................................................................... 71
3. FDXS Series .............................................................................................77
3.1 Remote Controller ...................................................................................... 77
3.2 AUTO · DRY · COOL · HEAT · FAN Operation .......................................... 79
3.3 Adjusting the Airflow Rate .......................................................................... 81
3.4 POWERFUL Operation .............................................................................. 82
3.5 OUTDOOR UNIT QUIET Operation........................................................... 83
3.6 ECONO Operation ..................................................................................... 84
3.7 OFF TIMER Operation ............................................................................... 85
3.8 ON TIMER Operation ................................................................................. 86
Part 6
Service Diagnosis................................................................ 87
1. Troubleshooting with LED .........................................................................89
1.1 Indoor Unit.................................................................................................. 89
1.2 Outdoor Unit ............................................................................................... 89