SiBE041012_B
Table of Contents
ii
1. Introduction .............................................................................................v
1.1
Safety Cautions ........................................................................................v
1.2
Used Icons .............................................................................................. ix
Part 1 List of Functions ................................................................ 1
1. Functions.................................................................................................2
Part 2 Specifications .................................................................... 5
1. Specifications ..........................................................................................6
Part 3 Printed Circuit Board Connector Wiring Diagram ...........14
1. Indoor Unit.............................................................................................15
2. Outdoor Unit..........................................................................................17
2.1
25/35 Class ............................................................................................17
2.2
RXG50K2V1B ........................................................................................19
2.3
RXG50K3V1B ........................................................................................20
Part 4 Function and Control........................................................22
1. Main Functions......................................................................................23
1.1
Temperature Control ..............................................................................23
1.2
Frequency Principle................................................................................23
1.3
Operation Starting Control......................................................................25
1.4
Airflow Direction Control.........................................................................26
1.5
Fan Speed Control for Indoor Unit .........................................................27
1.6
Program Dry Operation ..........................................................................28
1.7
Automatic Operation...............................................................................29
1.8
Thermostat Control.................................................................................30
1.9
NIGHT SET Mode ..................................................................................31
1.10 ECONO Operation .................................................................................32
1.11 INTELLIGENT EYE Operation ...............................................................33
1.12 Inverter POWERFUL Operation .............................................................34
1.13 Multi-Colored Indicator Lamp / TIMER Lamp .........................................34
1.14 Clock Setting ..........................................................................................36
1.15 WEEKLY TIMER Operation ...................................................................37
1.16 Other Functions......................................................................................43
2. Function of Thermistor ..........................................................................44
3. Control Specification .............................................................................45
3.1
Mode Hierarchy ......................................................................................45
3.2
Frequency Control..................................................................................46
3.3
Controls at Mode Changing / Start-up....................................................48
3.4
Discharge Pipe Temperature Control.....................................................49
3.5
Input Current Control..............................................................................50
3.6
Freeze-up Protection Control .................................................................51
3.7
Heating Peak-cut Control .......................................................................51
3.8
Outdoor Fan Control...............................................................................52
3.9
Liquid Compression Protection Function................................................52
3.10 Defrost Control .......................................................................................53
3.11 Outdoor Electronic Expansion Valve Control .........................................54
3.12 Malfunctions ...........................................................................................57
