SiBE39-402AFunction 37Part 5Function1. Operation Mode ....................................................................................382. Basic Control.........................................................................................392.1 Normal Operation ...................................................................................392.2 Compressor PI Control...........................................................................402.3 Electronic Expansion Valve PI Control...................................................412.4 Cooling Operation Fan Control...............................................................423. Special Control......................................................................................433.1 Startup Control .......................................................................................433.2 Oil Return Operation ..............................................................................443.3 Defrosting Operation ..............................................................................463.4 Pump-down Residual Operation ............................................................473.5 Restart Standby......................................................................................483.6 Stopping Operation ................................................................................493.7 Pressure Equalization Prior to Startup ...................................................504. Protection Control .................................................................................514.1 High Pressure Protection Control...........................................................514.2 Low Pressure Protection Control............................................................524.3 Discharge Pipe Protection Control .........................................................534.4 Inverter Protection Control .....................................................................545. Other Control.........................................................................................555.1 Demand Operation .................................................................................555.2 Heating Operation Prohibition ................................................................556. Outline of Control (Indoor Unit) .............................................................566.1 Drain Pump Control................................................................................566.2 Louver Control for Preventing Ceiling Dirt..............................................586.3 Thermostat Sensor in Remote Controller...............................................596.4 Freeze Prevention ..................................................................................616.5 View of Operations of Swing Flaps ........................................................62