Table Of Contents - Daikin FTKM-U Series Service Manual

Introduction .................................................................................... 1
1. Safety Cautions.......................................................................................2
2. Icons Used ............................................................................................10
3. Revision History ....................................................................................11
Part 1 General Information .......................................................... 12
1. Applicable Models .................................................................................13
2. Functions...............................................................................................14
Part 2 Specifications .................................................................... 15
1. Specifications ........................................................................................16
Part 3 Printed Circuit Board Connector Wiring Diagram............. 18
1. Indoor Unit.............................................................................................19
2. Outdoor Unit..........................................................................................21
Part 4 Functions and Control ....................................................... 25
1. Main Functions......................................................................................26
2. Thermistor Functions ............................................................................36
3. Control Specification .............................................................................37
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1.1 Warnings and Cautions Regarding Safety of Workers.............................2
1.2 Warnings and Cautions Regarding Safety of Users.................................8
2.1 12 Class .................................................................................................21
2.2 18 Class .................................................................................................22
2.3 24 Class .................................................................................................23
1.1 Temperature Control ..............................................................................26
1.2 Frequency Principle................................................................................26
1.3 Airflow Direction Control.........................................................................28
1.4 Fan Speed Control for Indoor Unit .........................................................29
1.5 COANDA Operation ...............................................................................29
1.6 Program Dry Operation ..........................................................................30
1.7 Thermostat Control.................................................................................31
1.8 GOOD SLEEP OFF TIMER ...................................................................31
1.9 SMELL PROOF Operation .....................................................................31
1.10 Flash Streamer Air Purifying Operation..................................................32
1.11 ECONO Operation ................................................................................33
1.12 POWERFUL Operation ..........................................................................33
1.13 Dew Clean Operation .............................................................................34
1.14 Default Set Temperature Setting............................................................35
1.15 Other Functions......................................................................................35
3.1 Mode Hierarchy ......................................................................................37
3.2 Frequency Control..................................................................................37
3.3 Controls at Mode Changing/Start-up......................................................39
3.4 Discharge Pipe Temperature Control.....................................................39
3.5 Input Current Control..............................................................................40
3.6 Freeze-up Protection Control .................................................................41
3.7 Outdoor Fan Control...............................................................................41
3.8 Liquid Compression Protection Function................................................42
SiMX042215E

Table of Contents