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SiBE041012_A
Table of Contents
ii
1. Introduction ............................................................................................ vi
1.1
Safety Cautions ....................................................................................... vi
1.2
Used Icons ...............................................................................................x
Part 1 List of Functions ................................................................ 1
1. Functions.................................................................................................2
Part 2 Specifications .................................................................... 4
1. Specifications ..........................................................................................5
Part 3 Printed Circuit Board Connector Wiring Diagram ...........10
1. Indoor Unit.............................................................................................11
2. Outdoor Unit..........................................................................................14
2.1
RXG25/35J2V1B, RXG25/35K2V1B ......................................................14
2.2
RXG50K2V1B ........................................................................................16
Part 4 Function and Control........................................................18
1. Main Functions......................................................................................19
1.1
Temperature Control ..............................................................................19
1.2
Frequency Principle................................................................................19
1.3
Operation Starting Control......................................................................21
1.4
Airflow Direction Control.........................................................................22
1.5
Fan Speed Control for Indoor Unit .........................................................23
1.6
Program Dry Operation ..........................................................................24
1.7
Automatic Operation...............................................................................25
1.8
Thermostat Control.................................................................................26
1.9
NIGHT SET Mode ..................................................................................27
1.10 ECONO Operation .................................................................................28
1.11 INTELLIGENT EYE Operation ...............................................................29
1.12 Inverter POWERFUL Operation .............................................................30
1.13 Other Functions......................................................................................32
2. Function of Thermistor ..........................................................................33
3. Control Specification .............................................................................34
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
3.10 Defrost Control .......................................................................................43
3.11 Outdoor Electronic Expansion Valve Control .........................................44
3.12 Malfunctions ...........................................................................................47
Part 5 Operation Manual .............................................................48
1. System Configuration............................................................................49