1
Content
1. Safety Precautions..............................................................................................................................2
2 Specifications......................................................................................................................................4
2.1 Model Reference......................................................................................................................4
2.2 Pipe length and drop height .....................................................................................................4
2.3 Electrical wiring diagrams.......................................................................................................4
2.3.1 Indoor unit.....................................................................................................................5
2.3.2 Outdoor unit (9~12K) ...................................................................................................8
2.3.3 18K Outdoor unit..........................................................................................................9
2.3.4 24K Outdoor unit........................................................................................................10
3 Product Features................................................................................................................................11
3.1 Display function.....................................................................................................................11
3.2 Safety features........................................................................................................................11
3.3 Basic functions.......................................................................................................................12
4 Installation, maintenance and disassembly.......................................................................................22
4.1 Indoor unit installation...........................................................................................................22
4.2 Outdoor unit installation........................................................................................................24
4.3 Refrigerant piping connection................................................................................................25
5 Troubleshooting ................................................................................................................................28
5.1 Safety caution.........................................................................................................................28
5.2 Error diagnosis and solution without error code....................................................................28
5.3 Error code list.........................................................................................................................30
5.4 Spot check..............................................................................................................................31
5.4 Troubleshooting by error code...............................................................................................32
Indoor unit error...................................................................................................................32
Outdoor unit error................................................................................................................35
Appendix..............................................................................................................................................40
I. Temperature sensor resistance value table for T1, T2, T3 and T4 (°C – K) ..........................40
II. Temperature sensor resistance value table for T5 (°C – K)...............................................42
