Table Of Contents - Daikin FVXS25FV1B Service Manual

1. Introduction .............................................................................................v
Part 1 List of Functions ................................................................ 1
1. List of Functions ......................................................................................2
Part 2 Specifications .................................................................... 5
1. Specifications ..........................................................................................6
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 11
1. Printed Circuit Board Connector Wiring Diagram..................................12
Part 4 Function and Control........................................................ 19
1. Main Functions......................................................................................20
2. Function of Thermistor ..........................................................................31
3. Control Specification .............................................................................32
ii
1.1 Safety Cautions ........................................................................................v
1.2 Used Icons .............................................................................................. ix
1.1 Cooling Only.............................................................................................6
1.2 Heat Pump ...............................................................................................8
1.1 Indoor Unit..............................................................................................12
1.2 Outdoor Unit ...........................................................................................14
1.1 Frequency Principle................................................................................20
1.2 Wide Angle Louvers and Auto-Swing.....................................................22
1.3 Fan Speed Control for Indoor Units........................................................23
1.4 Programme Dry Function .......................................................................24
1.5 Automatic Operation...............................................................................25
1.6 Thermostat Control.................................................................................26
1.7 Night Set Mode.......................................................................................27
1.8 Inverter POWERFUL Operation .............................................................28
1.9 Other Functions......................................................................................29
1.10 WEEKLY TIMER ....................................................................................30
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.....................................................38
3.5 Input Current Control..............................................................................39
3.6 Freeze-up Protection Control .................................................................40
3.7 Heating Peak-cut Control .......................................................................40
3.8 Fan Control.............................................................................................41
3.9 Liquid Compression Protection Function 2.............................................41
3.10 Defrost Control .......................................................................................41
3.11 Electronic Expansion Valve Control .......................................................43
3.12 Malfunctions ...........................................................................................46
3.13 Forced Operation Mode .........................................................................47
3.14 Additional Function.................................................................................48
3.15 Facility Setting Switch (cooling at low outdoor temperature)..................49
SiBE06-708

Table of Contents