Daikin FTKM18PVMK, Service Manual

Page: 27 / 119

SiMT041509E
Function and Control 12
Part 4
Function and Control
1. Main Functions......................................................................................13
1.1 Temperature Control ..............................................................................13
1.2 Frequency Principle................................................................................13
1.3 Airflow Direction Control.........................................................................15
1.4 Fan Speed Control for Indoor Unit .........................................................16
1.5 Program Dry Operation ..........................................................................17
1.6 Automatic Operation...............................................................................18
1.7 Thermostat Control.................................................................................19
1.8 NIGHT SET Mode ..................................................................................20
1.9 ECONO Operation .................................................................................20
1.10 INTELLIGENT EYE Operation ...............................................................21
1.11 Inverter POWERFUL Operation .............................................................22
1.12 Clock Setting ..........................................................................................23
1.13 WEEKLY TIMER Operation ...................................................................24
1.14 Other Functions......................................................................................30
2. Function of Thermistor ..........................................................................31
3. Control Specification .............................................................................32
3.1 Mode Hierarchy ......................................................................................32
3.2 Frequency Control..................................................................................33
3.3 Controls at Mode Changing / Start-up....................................................35
3.4 Discharge Pipe Temperature Control.....................................................36
3.5 Input Current Control..............................................................................37
3.6 Freeze-up Protection Control .................................................................38
3.7 Heating Peak-cut Control .......................................................................38
3.8 Outdoor Fan Control...............................................................................39
3.9 Liquid Compression Protection Function................................................39
3.10 Defrost Control .......................................................................................40
3.11 Electronic Expansion Valve Control .......................................................41
3.12 Discharge Pipe Thermistor Disconnection Control.................................43
3.13 Malfunctions ...........................................................................................43