SiBE05-722ED
Table of Contents
ii
1. Safety Cautions.......................................................................................v
1.1
Warnings and Cautions Regarding Safety of Workers.............................v
1.2
Warnings and Cautions Regarding Safety of Users............................... vii
2. Used Icons ..............................................................................................x
Part 1 List of Functions ................................................................ 1
1. Functions.................................................................................................2
Part 2 Specifications .................................................................... 7
1. Specifications ..........................................................................................8
1.1
Cooling Only.............................................................................................8
1.2
Heat Pump .............................................................................................11
Part 3 Printed Circuit Board Connector Wiring Diagram ...........17
1. Indoor Unit.............................................................................................18
2. Outdoor Unit..........................................................................................20
2.1
RK(X)S25/35E2V1B ...............................................................................20
2.2
RK(X)S25/35G2V1B...............................................................................22
2.3
RK(X)S25/35G2V1B9, RXS25/35J2V1B, RXS25K3V1B,
RXS35K2V1B, RXS35L2V1B.................................................................24
Part 4 Function and Control........................................................26
1. Main Functions......................................................................................27
1.1
Temperature Control ..............................................................................27
1.2
Frequency Principle................................................................................27
1.3
Airflow Direction Control.........................................................................29
1.4
Fan Speed Control for Indoor Unit .........................................................29
1.5
Program Dry Operation ..........................................................................30
1.6
Automatic Operation...............................................................................31
1.7
Thermostat Control.................................................................................32
1.8
NIGHT SET Mode ..................................................................................33
1.9
HOME LEAVE Operation .......................................................................34
1.10 Inverter POWERFUL Operation .............................................................35
1.11 Clock Setting ..........................................................................................36
1.12 Other Functions......................................................................................37
2. Function of Thermistor ..........................................................................38
3. Control Specification .............................................................................39
3.1
Mode Hierarchy ......................................................................................39
3.2
Frequency Control..................................................................................40
3.3
Controls at Mode Changing / Start-up....................................................42
3.4
Discharge Pipe Temperature Control.....................................................44
3.5
Input Current Control..............................................................................45
3.6
Freeze-up Protection Control .................................................................46
3.7
Heating Peak-cut Control .......................................................................46
3.8
Outdoor Fan Control...............................................................................47
3.9
Liquid Compression Protection Function................................................47
3.10 Defrost Control .......................................................................................48