Daikin RXYQ10MY1K [62/310] Part 4 function

Si39-502A

Function 51

Part 4

Part 4Part 4

Part 4

Function

FunctionFunction

Function

1. Function General...................................................................................52

1.1 Symbol ...................................................................................................52

1.2 Operation Mode......................................................................................53

2. Basic Control.........................................................................................54

2.1 Normal Operation ...................................................................................54

2.2 Compressor PI Control...........................................................................55

2.3 Electronic Expansion Valve PI Control...................................................58

2.4 Step Control of Outdoor Unit Fans .........................................................58

2.5 Outdoor Unit Fan Control in Cooling Operation .....................................59

3. Special Control......................................................................................60

3.1 Startup Control .......................................................................................60

3.2 Oil Return Operation ..............................................................................61

3.3 Defrosting Operation ..............................................................................63

3.4 Pump-down Residual Operation ............................................................64

3.5 Standby ..................................................................................................65

3.6 Stopping Operation ................................................................................66

3.7 Pressure Equalization Prior to Startup ...................................................68

4. Protection Control .................................................................................69

4.1 High Pressure Protection Control...........................................................69

4.2 Low Pressure Protection Control............................................................70

4.3 Discharge Pipe Protection Control .........................................................71

4.4 Inverter Protection Control .....................................................................72

4.5 STD Compressor Overload Protection...................................................73

5. Other Control.........................................................................................74

5.1 Outdoor Unit Rotation.............................................................................74

5.2 Emergency Operation ............................................................................75

5.3 Demand Operation .................................................................................77

5.4 Heating Operation Prohibition ................................................................77

6. Outline of Control (Indoor Unit) .............................................................78

6.1 Drain Pump Control................................................................................78

6.2 Louver Control for Preventing Ceiling Dirt..............................................80

6.3 Thermostat Sensor in Remote Controller...............................................81

6.4 Thermostat Control While in Normal Operation .....................................83

6.5 Thermostat Control in Dry Operation .....................................................83

6.6 Freeze Prevention ..................................................................................84

6.7 Heater Control ........................................................................................85

6.8 List of Swing Flap Operations ................................................................86