Table Of Contents - Daikin FTKN09NMVJU Service Manual

SiUS041501E
1. Safety Cautions........................................................................................... v
2. Used Icons .................................................................................................. x
Part 1 List of Functions ................................................................... 1
1. Functions.....................................................................................................2
Part 2 Specifications ....................................................................... 6
1. Specifications ..............................................................................................7
Part 3 Printed Circuit Board Connector Wiring Diagram .............. 15
1. Indoor Unit.................................................................................................16
2. Outdoor Unit..............................................................................................20
Part 4 Function and Control........................................................... 22
1. Main Functions..........................................................................................23
2. Function of Thermistor ..............................................................................33
3. Control Specification .................................................................................34

Table of Contents

1.1 Warnings and Cautions Regarding Safety of Workers................................. v
1.2 Warnings and Cautions Regarding Safety of Users....................................vii
1.1 Cooling Only................................................................................................. 7
1.2 Heat Pump ................................................................................................. 11
1.1 09/12 Class ................................................................................................ 16
1.2 18/24 Class ................................................................................................ 18
2.1 09/12 Class, RKN18NMVJU ...................................................................... 20
2.2 RXN18NMVJU, RK(X)18NMVJU, 24 class ................................................ 21
1.1 Temperature Control .................................................................................. 23
1.2 Frequency Principle.................................................................................... 23
1.3 Airflow Direction Control............................................................................. 25
1.4 Fan Speed Control for Indoor Unit ............................................................. 26
1.5 Program Dry Operation .............................................................................. 27
1.6 Automatic Operation................................................................................... 28
1.7 Thermostat Control..................................................................................... 29
1.8 NIGHT SET Mode ...................................................................................... 30
1.9 ECONO Operation ..................................................................................... 30
1.10 Inverter POWERFUL Operation ................................................................. 31
1.11 Other Functions.......................................................................................... 32
3.1 Mode Hierarchy .......................................................................................... 34
3.2 Frequency Control...................................................................................... 35
3.3 Controls at Mode Changing / Start-up........................................................ 37
3.4 Discharge Pipe Temperature Control......................................................... 39
3.5 Input Current Control.................................................................................. 40
3.6 Freeze-up Protection Control ..................................................................... 41
3.7 Heating Peak-cut Control ........................................................................... 41
3.8 Outdoor Fan Control................................................................................... 42
3.9 Liquid Compression Protection Function.................................................... 42
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