Table Of Contents - Daikin FT25CV1A Service Manual

1. Introduction ........................................................................................... vii
Part 1 List of Function ................................................................. 1
1. 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 Functions and Control...................................................... 21
1. Functions of Cooling Only Models ........................................................22
2. Functions of Heat Pump Models ...........................................................29
3. Control for Heat Pump Models..............................................................39
ii
1.1 Safety Cautions ...................................................................................... vii
1.1 FT25/35CV1A.........................................................................................12
1.2 FT50/60CV1A.........................................................................................14
1.3 FTY25/35CVMA .....................................................................................16
1.4 RY25/35CVMA .......................................................................................18
1.1 Cooling Monitoring Function...................................................................22
1.2 Programme Dry Function .......................................................................23
1.3 Freeze-up Protection Control .................................................................24
1.4 Air Flow Rate Control .............................................................................25
1.5 Power-Airflow Dual Flaps, Wide-Angle Louvers, and Auto-Swing .........25
1.6 Signal Receiving Sign ............................................................................26
1.7 ON / OFF Button on Indoor Unit.............................................................26
1.8 Filters......................................................................................................26
1.9 Night Set Mode.......................................................................................27
1.10 Powerful Operation.................................................................................27
1.11 3-minutes Standby Function...................................................................27
1.12 Auto-restart Function..............................................................................28
1.13 Test Run Function ..................................................................................28
2.1 Frequency Principle................................................................................29
2.2 Power-Airflow Dual Flaps, Wide-Angle Louvers and Auto-Swing ..........31
2.3 Fan Speed Control for Indoor Units........................................................32
2.4 Programme Dry Function .......................................................................33
2.5 Automatic Operation...............................................................................34
2.6 Night Set Mode.......................................................................................35
2.7 Powerful Operation.................................................................................36
2.8 Other Functions......................................................................................37
2.9 Function of Thermistor ...........................................................................38
3.1 Mode Hierarchy ......................................................................................39
3.2 Frequency Control..................................................................................40
3.3 Controls at Mode Changing / Start-up....................................................42
3.4 Input Current Control..............................................................................43
3.5 Freeze-up Protection Control .................................................................43
3.6 Heating Peak-cut Control .......................................................................44
3.7 Fan Control.............................................................................................44
Si01-406

Table of Contents