Part 5 Function - Daikin VRV III-S RXYMQ6PV4A Service Manual

SiME34-608
1. Operation Mode ....................................................................................46
2. Basic Control.........................................................................................47
3. Special Control......................................................................................51
4. Protection Control .................................................................................58
5. Other Control.........................................................................................62
6. Outline of Control (Indoor Unit) .............................................................63
Function
2.1 Normal Operation ...................................................................................47
2.2 Compressor PI Control...........................................................................48
2.3 Electronic Expansion Valve PI Control...................................................49
2.4 Cooling Operation Fan Control...............................................................50
3.1 Startup Control .......................................................................................51
3.2 Oil Return Operation ..............................................................................52
3.3 Defrosting Operation ..............................................................................54
3.4 Pump-down Residual Operation ............................................................55
3.5 Restart Standby......................................................................................56
3.6 Stopping Operation ................................................................................57
4.1 High Pressure Protection Control...........................................................58
4.2 Low Pressure Protection Control............................................................59
4.3 Discharge Pipe Protection Control .........................................................60
4.4 Inverter Protection Control .....................................................................61
5.1 Demand Operation .................................................................................62
5.2 Heating Operation Prohibition ................................................................62
6.1 Drain Pump Control................................................................................63
6.2 Louver Control for Preventing Ceiling Dirt..............................................65
6.3 Thermostat Sensor in Remote Controller...............................................66
6.4 Freeze Prevention ..................................................................................68
6.5 View of Operations of Swing Flaps ........................................................69
6.6 Electronic Expansion Valve Control .......................................................70
6.7 Hot Start Control (In Heating Operation Only)........................................70
Part 5
Function
45