Daikin FTXN25KEV1B - Safety Precautions

SiBE041102_A
Table of Contents ii
1. Introduction .............................................................................................v
1.1 Safety Cautions ........................................................................................v
1.2 Used Icons .............................................................................................. ix
Part 1 List of Functions ................................................................ 1
1. Functions.................................................................................................2
Part 2 Specifications .................................................................... 3
1. Specifications ..........................................................................................4
Part 3 Printed Circuit Board Connector Wiring Diagram ............. 5
1. Indoor Unit...............................................................................................6
2. Outdoor Unit............................................................................................8
Part 4 Function and Control.......................................................... 9
1. Main Functions......................................................................................10
1.1 Temperature Control ..............................................................................10
1.2 Frequency Principle................................................................................10
1.3 Airflow Direction Control.........................................................................12
1.4 Fan Speed Control for Indoor Unit .........................................................13
1.5 Program Dry Operation ..........................................................................14
1.6 Automatic Operation...............................................................................15
1.7 Thermostat Control.................................................................................16
1.8 NIGHT SET Mode ..................................................................................17
1.9 ECONO Operation .................................................................................18
1.10 Inverter POWERFUL Operation .............................................................19
1.11 Other Functions......................................................................................20
2. Function of Thermistor ..........................................................................21
3. Control Specification .............................................................................22
3.1 Mode Hierarchy ......................................................................................22
3.2 Frequency Control..................................................................................23
3.3 Controls at Mode Changing / Start-up....................................................25
3.4 Discharge Pipe Temperature Control.....................................................26
3.5 Input Current Control..............................................................................27
3.6 Freeze-up Protection Control .................................................................28
3.7 Heating Peak-cut Control .......................................................................28
3.8 Outdoor Fan Control...............................................................................29
3.9 Liquid Compression Protection Function................................................29
3.10 Defrost Control .......................................................................................30
3.11 Electronic Expansion Valve Control .......................................................31
3.12 Malfunctions ...........................................................................................34
Part 5 Operation Manual .............................................................35
1. System Configuration............................................................................36
2. Operation Manual..................................................................................37
2.1 Remote Controller ..................................................................................37
2.2 AUTO · DRY · COOL · HEAT · FAN Operation ......................................38
2.3 Adjusting the Airflow Direction................................................................40