Part 5 Function - Daikin RXYSQ4-5-6PA7V1B Service Manual

SiBE34-802
1. Operation Mode ....................................................................................48
2. Basic Control.........................................................................................49
3. Special Control......................................................................................53
4. Protection Control .................................................................................60
5. Other Control.........................................................................................64
6. Outline of Control (Indoor Unit) .............................................................65
Function
2.1 Normal Operation ...................................................................................49
2.2 Compressor PI Control...........................................................................50
2.3 Electronic Expansion Valve PI Control...................................................51
2.4 Cooling Operation Fan Control...............................................................52
3.1 Startup Control .......................................................................................53
3.2 Oil Return Operation ..............................................................................54
3.3 Defrosting Operation ..............................................................................56
3.4 Pump-down Residual Operation ............................................................57
3.5 Restart Standby......................................................................................58
3.6 Stopping Operation ................................................................................59
4.1 High Pressure Protection Control...........................................................60
4.2 Low Pressure Protection Control............................................................61
4.3 Discharge Pipe Protection Control .........................................................62
4.4 Inverter Protection Control .....................................................................63
5.1 Demand Operation .................................................................................64
5.2 Heating Operation Prohibition ................................................................64
6.1 Drain Pump Control................................................................................65
6.2 Louver Control for Preventing Ceiling Dirt..............................................67
6.3 Thermostat Sensor in Remote Controller...............................................68
6.4 Freeze Prevention ..................................................................................70
6.5 View of Operations of Swing Flaps ........................................................71
6.6 Electronic Expansion Valve Control .......................................................72
6.7 Hot Start Control (In Heating Operation Only)........................................72
Part 5
Function
47