Part 5 Functions And Control - Daikin RMXS-L Series Service Manual

1. Operation Mode ........................................................................................52
2. Basic Control.............................................................................................53
3. Special Control..........................................................................................56
4. Protection Control .....................................................................................61
5. Other Control.............................................................................................67
6. Branch Provider (BP) Unit Control ............................................................68
7. CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series Functions...................73
50
Functions and Control
2.1 Normal Operation ....................................................................................... 53
2.2 Compressor PI Control............................................................................... 53
2.3 Electronic Expansion Valve PI Control....................................................... 54
2.4 Cooling Operation Fan Control................................................................... 55
3.1 Startup Control ........................................................................................... 56
3.2 Oil Return Operation .................................................................................. 57
3.3 Defrosting Operation .................................................................................. 59
3.4 Pump-down Residual Operation ................................................................ 59
3.5 Restart Standby.......................................................................................... 60
3.6 Stopping Operation .................................................................................... 60
4.1 High Pressure Protection Control............................................................... 61
4.2 Low Pressure Protection Control................................................................ 62
4.3 Discharge Pipe Temperature Protection Control........................................ 63
4.4 Inverter Protection Control ......................................................................... 64
4.5 Freeze-up Protection Control ..................................................................... 65
4.6 Dew Condensation Prevention Control ...................................................... 66
5.1 Demand Control ......................................................................................... 67
5.2 Heating Operation Prohibition Control........................................................ 67
6.1 Branch Provider (BP) Unit Command Conversion ..................................... 68
6.2 Branch Provider (BP) Unit Electronic Expansion Valve Control................. 69
6.3 SH Control in Cooling Operation ................................................................ 71
6.4 SC Control in Heating Operation................................................................ 72
6.5 Heat Exchanger Isothermal Control in Heating Operation ......................... 72
7.1 Temperature Control .................................................................................. 73
7.2 Airflow Direction Control............................................................................. 73
7.3 Fan Speed Control for Indoor Unit ............................................................. 77
7.4 Program Dry Operation .............................................................................. 78
7.5 Automatic Operation................................................................................... 79
7.6 Thermostat Control..................................................................................... 80
7.7 NIGHT SET Mode ...................................................................................... 81
7.8 ECONO Operation ..................................................................................... 82
7.9 HOME LEAVE Operation ........................................................................... 82
7.10 2-Area INTELLIGENT EYE Operation ....................................................... 84
7.11 INTELLIGENT EYE Operation ................................................................... 86
SiUS181631EA
Part 5
Functions and Control