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SiUS041111
Table of Contents
ii
Safety Consideration............................................................ vi
Part 1
List of Functions ................................................................... 1
1. Functions..................................................................................................... 2
Part 2
Specifications ....................................................................... 4
1. Specifications .............................................................................................. 5
1.1
Cooling Only................................................................................................. 5
1.2
Heat Pump ................................................................................................... 8
Part 3
Printed Circuit Board
Connector Wiring Diagram .................................................. 11
1. Indoor Unit.................................................................................................12
1.1
09/12 Class ................................................................................................ 12
1.2
15/18/24 Class ........................................................................................... 14
2. Outdoor Unit..............................................................................................16
2.1
09/12 Class ................................................................................................ 16
2.2
15/18/24 Class ........................................................................................... 18
Part 4
Function and Control........................................................... 20
1. Main Functions..........................................................................................21
1.1
Temperature Control .................................................................................. 21
1.2
Frequency Principle.................................................................................... 21
1.3
Airflow Direction Control............................................................................. 23
1.4
Fan Speed Control for Indoor Unit ............................................................. 24
1.5
Program Dry Operation .............................................................................. 25
1.6
Automatic Operation................................................................................... 26
1.7
Thermostat Control..................................................................................... 27
1.8
NIGHT SET Mode ...................................................................................... 28
1.9
ECONO Operation ..................................................................................... 29
1.10 Inverter POWERFUL Operation ................................................................. 30
1.11 Other Functions.......................................................................................... 31
2. Function of Thermistor ..............................................................................32
3. Control Specification .................................................................................33
3.1
Mode Hierarchy .......................................................................................... 33
3.2
Frequency Control...................................................................................... 34
3.3
Controls at Mode Changing / Start-up........................................................ 36