SiMT041311E11 Function and ControlPart 4Function and Control1. Main Functions......................................................................................121.1 Temperature Control ..............................................................................121.2 Frequency Principle................................................................................121.3 Airflow Direction Control.........................................................................141.4 Fan Speed Control for Indoor Unit .........................................................181.5 Thermostat Control.................................................................................191.6 URURU HUMIDIFY / HUMID HEATING Operation ...............................201.7 SARARA DRY / DRY COOLING Operation ...........................................271.8 AUTO Operation.....................................................................................301.9 Sensor Operation ...................................................................................311.10 ECONO / OUTDOOR UNIT QUIET Operation.......................................331.11 POWERFUL Operation ..........................................................................341.12 Air Purifying and Ventilation ...................................................................351.13 MOLD PROOF Operation ......................................................................381.14 CLEANING FILTER Operation...............................................................381.15 INFORMATION ......................................................................................401.16 Brightness Setting of Indoor Unit Lamps................................................401.17 TIMER Operation ...................................................................................411.18 COMFORT SLEEP TIMER Operation....................................................421.19 QUICK HEATING TIMER Operation ......................................................421.20 Other Functions......................................................................................432. Control Specification .............................................................................442.1 Frequency Control..................................................................................442.2 Controls at Mode Changing / Start-up....................................................462.3 Discharge Pipe Temperature Control.....................................................482.4 Input Current Control..............................................................................492.5 Freeze-up Protection Control .................................................................502.6 Heating Peak-cut Control .......................................................................502.7 Draught Prevention Control (Hot-Start Function) ...................................512.8 Dew Prevention Control .........................................................................522.9 Outdoor Fan Control...............................................................................522.10 Defrost Control .......................................................................................532.11 Electronic Expansion Valve Control .......................................................54
