Part 4 Function And Control - Daikin D-Series Service Manual

Si12-619A
1. Main Functions......................................................................................78
2. Function of Main Structural Parts..........................................................94
3. Control Specification .............................................................................99
Function and Control
Function and Control
1.1 Frequency Principle................................................................................78
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........80
1.3 Fan Speed Control for Indoor Units........................................................81
1.4 Programme Dry Function .......................................................................82
1.5 Automatic Operation...............................................................................83
1.6 Thermostat Control.................................................................................84
1.7 Night Set Mode.......................................................................................85
1.8 ECONO Mode ........................................................................................86
1.9 MOLD PROOF Operation ......................................................................87
1.10 INTELLIGENT EYE (Wall Mounted Type Only) .....................................88
1.11 HOME LEAVE Operation .......................................................................90
1.12 Inverter POWERFUL Operation .............................................................91
1.13 Other Functions......................................................................................92
2.1 Main Structural Parts..............................................................................94
2.2 Function of Thermistor ...........................................................................95
3.1 Mode Hierarchy ......................................................................................99
3.2 Frequency Control................................................................................100
3.3 Controls at Mode Changing / Start-up..................................................103
3.4 Discharge Pipe Temperature Control...................................................104
3.5 Input Current Control............................................................................104
3.6 Freeze-up Protection Control ...............................................................105
3.7 Heating Peak-cut Control .....................................................................105
3.8 Fan Control...........................................................................................106
3.9 Liquid Compression Protection Function 2...........................................106
3.10 Defrost Control .....................................................................................107
3.11 Low Hz High Pressure Limit .................................................................108
3.12 Electronic Expansion Valve Control .....................................................108
3.13 Malfunctions .........................................................................................112
3.14 Forced Operation Mode .......................................................................113
3.15 Wiring-Error Check...............................................................................114
3.16 Additional Function...............................................................................116
Part 4
77