SiBE06-708_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
1.1
Cooling Only.............................................................................................2
1.2
Heat Pump ...............................................................................................5
Part 2 Specifications .................................................................... 8
1. Specifications ..........................................................................................9
1.1
Cooling Only.............................................................................................9
1.2
Heat Pump .............................................................................................14
Part 3 Printed Circuit Board Connector Wiring Diagram ...........19
1. Printed Circuit Board Connector Wiring Diagram..................................20
1.1
Indoor Unit..............................................................................................20
1.2
Outdoor Unit ...........................................................................................22
Part 4 Function and Control........................................................30
1. Main Functions......................................................................................31
1.1
Temperature Control ..............................................................................31
1.2
Frequency Principle................................................................................31
1.3
Airflow Direction Control.........................................................................33
1.4
Fan Speed Control for Indoor Units........................................................34
1.5
Program Dry Operation ..........................................................................35
1.6
Automatic Operation...............................................................................36
1.7
Thermostat Control.................................................................................37
1.8
NIGHT SET Mode ..................................................................................38
1.9
ECONO Operation .................................................................................39
1.10 Inverter POWERFUL Operation .............................................................40
1.11 Other Functions......................................................................................41
2. Function of Thermistor ..........................................................................42
3. Control Specification .............................................................................43
3.1
Mode Hierarchy ......................................................................................43
3.2
Frequency Control..................................................................................44
3.3
Controls at Mode Changing / Start-up....................................................46
3.4
Discharge Pipe Temperature Control.....................................................48
3.5
Input Current Control..............................................................................49
3.6
Freeze-up Protection Control .................................................................50
3.7
Heating Peak-cut Control .......................................................................50
3.8
Outdoor Fan Control...............................................................................51
3.9
Liquid Compression Protection Function................................................51
3.10 Defrost Control .......................................................................................52
3.11 Electronic Expansion Valve Control .......................................................53
3.12 Malfunctions ...........................................................................................56
3.13 Forced Operation Mode .........................................................................57
3.14 Standby Electricity Saving......................................................................57