Daikin BPMKS048A2U - Page 4

SiUS181305E
Table of Contents iii
Part 5 Function ............................................................................... 39
1. Operation Mode ........................................................................................41
2. Basic Control.............................................................................................42
2.1 Normal Operation ....................................................................................... 42
2.2 Compressor PI Control............................................................................... 42
2.3 Electronic Expansion Valve PI Control....................................................... 43
2.4 Cooling Operation Fan Control................................................................... 44
3. Special Control..........................................................................................45
3.1 Startup Control ........................................................................................... 45
3.2 Oil Return Operation .................................................................................. 46
3.3 Defrosting Operation .................................................................................. 48
3.4 Pump-down Residual Operation ................................................................ 48
3.5 Restart Standby.......................................................................................... 49
3.6 Stopping Operation .................................................................................... 49
4. Protection Control .....................................................................................50
4.1 High Pressure Protection Control............................................................... 50
4.2 Low Pressure Protection Control................................................................ 51
4.3 Discharge Pipe Temperature Protection Control........................................ 52
4.4 Inverter Protection Control ......................................................................... 53
4.5 Freeze-up Protection Control ..................................................................... 54
4.6 Dew Condensation Prevention Control ...................................................... 55
5. Other Control.............................................................................................56
5.1 Demand Control ......................................................................................... 56
5.2 Heating Operation Prohibition Control........................................................ 56
6. Branch Provider (BP) Unit Control ............................................................57
6.1 Branch Provider (BP) Unit Command Conversion ..................................... 57
6.2 Branch Provider (BP) Unit Electronic Expansion Valve Control................. 58
6.3 SH Control in Cooling Operation ................................................................ 60
6.4 SC Control in Heating Operation................................................................ 61
6.5 Heat Exchanger Isothermal Control in Heating Operation ......................... 61
7. Function of CTXS, FTXS, CDXS, FDXS Series........................................62
7.1 Temperature Control .................................................................................. 62
7.2 Airflow Direction Control (CTXS/FTXS Series Only) .................................. 63
7.3 Fan Speed Control for Indoor Unit ............................................................. 65
7.4 Program Dry Operation .............................................................................. 66
7.5 Automatic Operation................................................................................... 67
7.6 Thermostat Control..................................................................................... 68
7.7 NIGHT SET Mode ...................................................................................... 69
7.8 ECONO Operation ..................................................................................... 69
7.9 HOME LEAVE Operation ........................................................................... 70
7.10 INTELLIGENT EYE Operation ................................................................... 72
7.11 Inverter POWERFUL Operation ................................................................. 73
7.12 Clock Setting .............................................................................................. 74
7.13 WEEKLY TIMER Operation ....................................................................... 75
7.14 Other Functions.......................................................................................... 81
8. Function of FFQ Series .............................................................................82
8.1 Drain Pump Control.................................................................................... 82