Table Of Contents - Daikin CTXU25G2V1B Service Manual

SiBE12-908
1. Main Functions........................................................................................2
2. Function of Thermistor ..........................................................................25
3. Control Specification .............................................................................27
Function and Control
Function and Control
1.1 Frequency Principle..................................................................................2
1.2 Thermostat Control...................................................................................4
1.3 Automatic Operation.................................................................................5
1.4 Programme Dry Function .........................................................................6
1.5 Airflow Direction Control...........................................................................7
1.6 Fan Speed Control for Indoor Units..........................................................8
1.7 HUMID HEAT Operation ..........................................................................9
1.8 Fresh Air Supply Ventilation ...................................................................14
1.9 2-AREA INTELLIGENT EYE ..................................................................16
1.10 Inverter POWERFUL Operation .............................................................18
1.11 ECONO Mode ........................................................................................19
1.12 NIGHT SET Mode ..................................................................................20
1.13 Other Functions......................................................................................21
1.14 Table for Special Modes.........................................................................23
2.1 Heat Pump Model...................................................................................25
3.1 Mode Hierarchy ......................................................................................27
3.2 Automatic switching for HUMID HEAT operation room..........................28
3.3 Frequency Control..................................................................................29
3.4 Controls at Mode Changing / Start-up....................................................31
3.5 Discharge Pipe Temperature Control.....................................................33
3.6 Input Current Control..............................................................................33
3.7 Freeze-up Protection Control .................................................................34
3.8 Heating Peak-cut Control .......................................................................34
3.9 Fan Control.............................................................................................35
3.10 Liquid Compression Protection Function 2.............................................35
3.11 Defrost Control .......................................................................................36
3.12 Electronic Expansion Valve Control .......................................................37
3.13 Malfunctions ...........................................................................................41
3.14 Forced Operation Mode .........................................................................42
3.15 Additional Function.................................................................................43
Part 4
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