Part 4 Functions And Control - Daikin 4MXL-T Series Service Manual

SiUS121827E
1. Common Functions ...................................................................................59
2. RA Indoor Unit Functions ..........................................................................61
3. SA Indoor Unit Functions ..........................................................................84
4. Control Specification ...............................................................................102

Part 4 Functions and Control

Functions and Control
1.1 Temperature Control .................................................................................. 59
1.2 Frequency Principle.................................................................................... 59
2.1 Airflow Direction Control............................................................................. 61
2.2 Fan Speed Control for Indoor Unit ............................................................. 64
2.3 Program Dry Operation .............................................................................. 65
2.4 Automatic Cooling/Heating Changeover .................................................... 66
2.5 Thermostat Control..................................................................................... 67
2.6 NIGHT SET Mode ...................................................................................... 68
2.7 ECONO Operation .................................................................................... 69
2.8 2-Area INTELLIGENT EYE Operation ....................................................... 70
2.9 INTELLIGENT EYE Operation ................................................................... 72
2.10 POWERFUL Operation .............................................................................. 73
2.11 Multi-Monitor Lamp/TIMER Lamp .............................................................. 74
2.12 Clock Setting .............................................................................................. 75
2.13 WEEKLY TIMER Operation ....................................................................... 76
2.14 Other Functions.......................................................................................... 82
3.1 Airflow Direction Control............................................................................. 84
3.2 Fan Speed Control for Indoor Unit ............................................................. 85
3.3 Program Dry Operation .............................................................................. 86
3.4 Clock and Calendar Setting (With Wired Remote Controller BRC1E73) ... 87
3.5 Schedule TIMER Operation (With Wired Remote Controller BRC1E73) ... 89
3.6 Setback Function (With Wired Remote Controller BRC1E73) ................... 93
3.7 Drain Pump Control.................................................................................... 94
3.8 Hot Start Control (In Heating Operation Only)............................................ 96
3.9 Presence and Floor Sensors (Option)........................................................ 97
3.10 Other Functions........................................................................................ 100
4.1 Thermistor Functions................................................................................ 102
4.2 Mode Hierarchy ........................................................................................ 104
4.3 Frequency Control.................................................................................... 105
4.4 Controls at Mode Changing/Start-up........................................................ 107
4.5 Discharge Pipe Temperature Control....................................................... 109
4.6 Input Current Control................................................................................ 110
4.7 Freeze-up Protection Control ................................................................... 111
4.8 Heating Peak-cut Control ......................................................................... 113
4.9 Outdoor Fan Control................................................................................. 114
Part 4
57