Si01-501
ii Table of Contents
1. Introduction .............................................................................................v
1.1 Safety Cautions ........................................................................................v
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
1.1 Indoor Unit..............................................................................................12
1.2 Outdoor Unit ...........................................................................................18
Part 4 Details of Functions ......................................................... 21
1. Functions of FT25/35/50D, FT09/13/15D Models .................................22
1.1 Air Flow Direction Control.......................................................................22
1.2 Fan Speed Control for Indoor Units........................................................23
1.3 Thermostat Control.................................................................................24
1.4 Programme Dry Function .......................................................................25
1.5 NIGHT SET Mode ..................................................................................26
1.6 POWERFUL Operation ..........................................................................27
1.7 Freeze-up Protection Control .................................................................28
1.8 Other Functions......................................................................................29
2. Functions of FT60D Model....................................................................30
2.1 Frequency Principle................................................................................30
2.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ..........32
2.3 Fan Speed Control for Indoor Units........................................................33
2.4 Thermostat Control.................................................................................34
2.5 Programme Dry Function .......................................................................35
2.6 Night Set Mode.......................................................................................36
2.7 POWERFUL Operation ..........................................................................37
2.8 Other Functions......................................................................................38
3. Control Specification of R60D Model ....................................................39
3.1 Function of Thermistor ...........................................................................39
3.2 Mode Hierarchy ......................................................................................40
3.3 Frequency Control..................................................................................41
3.4 Controls at Mode Changing / Start-up....................................................43
3.5 Discharge Pipe Temperature Control.....................................................43
3.6 Input Current Control..............................................................................44
3.7 Freeze-up Protection Control .................................................................44
3.8 Fan Control.............................................................................................45
3.9 Liquid Compression Protection Function 2.............................................45
3.10 Electronic Expansion Valve Control .......................................................46
3.11 Malfunctions ...........................................................................................49
3.12 Forced Operation Mode .........................................................................50
3.13 Additional Function.................................................................................50
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