Part 4 Function And Control - Daikin D Series Service Manual

SiBE12-519
1. Main Functions......................................................................................34
2. Function of Main Structural Parts..........................................................49
3. Control Specification .............................................................................53
Function and Control
Function and Control
1.1 Frequency Principle................................................................................34
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........36
1.3 Fan Speed Control for Indoor Units........................................................37
1.4 Programme Dry Function .......................................................................38
1.5 Automatic Operation...............................................................................39
1.6 Thermostat Control.................................................................................40
1.7 Night Set Mode.......................................................................................41
1.8 ECONO Mode ........................................................................................42
1.9 INTELLIGENT EYE ................................................................................43
1.10 HOME LEAVE Operation .......................................................................45
1.11 Inverter POWERFUL Operation .............................................................46
1.12 Other Functions......................................................................................47
2.1 Main Structural Parts..............................................................................49
2.2 Function of Thermistor ...........................................................................50
3.1 Mode Hierarchy ......................................................................................53
3.2 Frequency Control..................................................................................54
3.3 Controls at Mode Changing / Start-up....................................................57
3.4 Discharge Pipe Control ..........................................................................58
3.5 Input Current Control..............................................................................58
3.6 Freeze-up Protection Control .................................................................59
3.7 Heating Peak-cut Control .......................................................................59
3.8 Fan Control.............................................................................................60
3.9 Liquid Compression Protection Function 2.............................................60
3.10 Defrost Control .......................................................................................61
3.11 Electronic Expansion Valve Control .......................................................62
3.12 Malfunctions ...........................................................................................66
3.13 Forced Operation Mode .........................................................................67
3.14 Additional Function.................................................................................68
Part 4
33