Part 5 Function - Daikin R-410A Service Manual

SiBE39-402A
1. Operation Mode ....................................................................................38
2. Basic Control.........................................................................................39
3. Special Control......................................................................................43
4. Protection Control .................................................................................51
5. Other Control.........................................................................................55
6. Outline of Control (Indoor Unit) .............................................................56
Function
2.1 Normal Operation ...................................................................................39
2.2 Compressor PI Control...........................................................................40
2.3 Electronic Expansion Valve PI Control...................................................41
2.4 Cooling Operation Fan Control...............................................................42
3.1 Startup Control .......................................................................................43
3.2 Oil Return Operation ..............................................................................44
3.3 Defrosting Operation ..............................................................................46
3.4 Pump-down Residual Operation ............................................................47
3.5 Restart Standby......................................................................................48
3.6 Stopping Operation ................................................................................49
3.7 Pressure Equalization Prior to Startup ...................................................50
4.1 High Pressure Protection Control...........................................................51
4.2 Low Pressure Protection Control............................................................52
4.3 Discharge Pipe Protection Control .........................................................53
4.4 Inverter Protection Control .....................................................................54
5.1 Demand Operation .................................................................................55
5.2 Heating Operation Prohibition ................................................................55
6.1 Drain Pump Control................................................................................56
6.2 Louver Control for Preventing Ceiling Dirt..............................................58
6.3 Thermostat Sensor in Remote Controller...............................................59
6.4 Freeze Prevention ..................................................................................61
6.5 View of Operations of Swing Flaps ........................................................62
Part 5
Function
37