Part 4 Function - Daikin R410As Service Manual

Si39-302
1. Operation Mode ....................................................................................64
2. Basic Control.........................................................................................65
3. Special Control......................................................................................74
4. Protection Control .................................................................................83
5. Other Control.........................................................................................88
6. Outline of Control (Indoor Unit) .............................................................92
Function
2.1 Normal Operation ...................................................................................65
2.2 Compressor PI Control...........................................................................66
2.3 Electronic Expansion Valve PI Control...................................................72
2.4 Cooling Operation Fan Control...............................................................73
3.1 Startup Control .......................................................................................74
3.2 Oil Return Operation ..............................................................................75
3.3 Defrosting Operation ..............................................................................77
3.4 Pump-down Residual Operation ............................................................78
3.5 Restart Standby......................................................................................79
3.6 Stopping Operation ................................................................................80
3.7 Pressure Equalization prior to Startup....................................................82
4.1 High Pressure Protection Control...........................................................83
4.2 Low Pressure Protection Control............................................................84
4.3 Discharge Pipe Protection Control .........................................................85
4.4 Inverter Protection Control .....................................................................86
4.5 STD Compressor Overload Protection...................................................87
5.1 Outdoor Unit Rotation.............................................................................88
5.2 Emergency Operation ............................................................................89
5.3 Demand Operation .................................................................................91
5.4 Heating operation prohibition .................................................................91
6.1 Drain Pump Control................................................................................92
6.2 Louver Control for Preventing Ceiling Dirt..............................................94
6.3 Thermostat Sensor in Remote Controller...............................................95
6.4 Freeze Prevention ..................................................................................97
Part 4 Part 4 Part 4 Part 4
Function Function Function Function
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