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SiBE12-908
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
1.1
Indoor Units ..............................................................................................5
1.2
Outdoor Units ...........................................................................................6
Part 3 Printed Circuit Board Connector Wiring Diagram ............. 8
1. Printed Circuit Board Connector Wiring Diagram....................................9
1.1
Indoor Units ..............................................................................................9
1.2
Outdoor Units .........................................................................................11
Part 4 Function and Control........................................................13
1. Main Functions......................................................................................14
1.1
Frequency Principle................................................................................14
1.2
Thermostat Control.................................................................................16
1.3
Automatic Operation...............................................................................17
1.4
Program Dry Function ............................................................................18
1.5
Airflow Direction Control.........................................................................19
1.6
Fan Speed Control for Indoor Units........................................................20
1.7
HUMID HEAT Operation ........................................................................21
1.8
Fresh Air Supply Ventilation ...................................................................26
1.9
2-AREA INTELLIGENT EYE ..................................................................28
1.10 Inverter POWERFUL Operation .............................................................30
1.11 ECONO Mode ........................................................................................31
1.12 NIGHT SET Mode ..................................................................................32
1.13 Other Functions......................................................................................33
1.14 Table for Special Modes.........................................................................35
2. Function of Thermistor ..........................................................................37
2.1
Heat Pump Model...................................................................................37
3. Control Specification .............................................................................39
3.1
Mode Hierarchy ......................................................................................39
3.2
Automatic switching for HUMID HEAT operation room..........................40
3.3
Frequency Control..................................................................................41
3.4
Controls at Mode Changing / Start-up....................................................43
3.5
Discharge Pipe Temperature Control.....................................................44
3.6
Input Current Control..............................................................................45
3.7
Freeze-up Protection Control .................................................................45
3.8
Heating Peak-cut Control .......................................................................46
3.9
Fan Control.............................................................................................46
3.10 Liquid Compression Protection Function 2.............................................47
3.11 Defrost Control .......................................................................................47
3.12 Electronic Expansion Valve Control .......................................................48
3.13 Malfunctions ...........................................................................................52