CONTENTS
1. Precaution .................................................................................................................................................... 1
1.1 Safety Precaution. ..................................................................................................................................... 1
1.2 Warning ....................................................................................................................................................... 1
2. Function and control panel. ........................................................................................................................ 5
2.1 Function. ..................................................................................................................................................... 5
2.2 Control panel. ............................................................................................................................................. 5
3. Dimension. ................................................................................................................................................... 7
4. Refrigerant Cycle Diagram. ........................................................................................................................ 8
5. Wiring Diagram. ........................................................................................................................................... 9
6. Protection Function. .................................................................................................................................. 12
6.1 Proper symbols and their meaning .................................................................................................... 12
6.2 Protection Function ............................................................................................................................ 12
6.2.1 Three minutes delay at restart for compressor.
...................................................................................... 12
6.2.2 Anti-freezing protection at cooling or dry mode.
..................................................................................... 12
6.2.3 Anti-frosting protection and defect at cooling or dry mode.
.................................................................. 12
6.2.4 Auto-defrosting function in heating mode.
............................................................................................... 13
6.2.5 Electronic function.
...................................................................................................................................... 13
6.2.6 Temperature sensor is open circuit or short circuit.
............................................................................... 14
7 Installation details ....................................................................................................................................... 15
7.1 Select the best location. ......................................................................................................................... 15
7.2 Check off installation. ............................................................................................................................. 16
7.3 How to drain. ............................................................................................................................................ 16
7.4 How to install. .......................................................................................................................................... 16
7.4.1 Installation of the housing. .................................................................................................................. 16
7.4.2 Installation of the unit into the housing. ............................................................................................ 17
7.4.3 Installation of the unit into the wall. ................................................................................................... 18
7.4.4 Installation steps................................................................................................................................... 18
8 Operation characteristics .......................................................................................................................... 19
8.1 Cooling operation. ................................................................................................................................... 19
8.2 Heating operation. ................................................................................................................................... 20
8.3 Characteristic of temperature sensor. ................................................................................................... 20
9 Troubleshooting .......................................................................................................................................... 22
