Part 5 Function - Daikin ERQ Service Manual

ESIE09-05
1. Operation Mode ....................................................................................22
2. Basic Control.........................................................................................23
3. Special Control......................................................................................26
4. Protection Control .................................................................................33
5. Other Control.........................................................................................37
6. Outline of Control ..................................................................................38
Function
2.1 Normal Operation ...................................................................................23
2.2 Compressor PI Control...........................................................................24
2.3 Cooling Operation Fan Control...............................................................25
3.1 Startup Control .......................................................................................26
3.2 Oil Return Operation ..............................................................................27
3.3 Defrosting Operation ..............................................................................29
3.4 Pump-down Residual Operation ............................................................30
3.5 Restart Standby......................................................................................31
3.6 Stopping Operation ................................................................................32
4.1 High Pressure Protection Control...........................................................33
4.2 Low Pressure Protection Control............................................................34
4.3 Discharge Pipe Protection Control .........................................................35
4.4 Inverter Protection Control .....................................................................36
5.1 Demand Operation .................................................................................37
5.2 Heating Operation Prohibition ................................................................37
6.1 Thermostat Sensor in Remote Controller (only for Z-control) ................38
6.2 Freeze Prevention ..................................................................................40
6.3 Hot Start Control (In Heating Operation Only)........................................41
Function
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Part 5
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