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CONTENTS
1. General Information................................................................................................................................................. 1
1.1 Feature ............................................................................................................................................................... 1
1.2 Products lineup.................................................................................................................................................... 3
2. Specication ............................................................................................................................................................ 5
3. Dimension.............................................................................................................................................................. 39
4. Piping diagram....................................................................................................................................................... 41
5. Wiring diagram ...................................................................................................................................................... 44
6. Capacity calculation due to capacity modication coefcient................................................................................ 45
6.1 Capacity compensation value only for cooling ................................................................................................. 45
6.2 Capacity compensation value only for heating.................................................................................................. 51
6.3 Capacity compensation value for cooling and heating ...................................................................................... 53
7. Operation range..................................................................................................................................................... 54
8. Noise level............................................................................................................................................................. 55
9. Installation ............................................................................................................................................................. 58
9.1 Safety ................................................................................................................................................................ 58
9.2 Before installation.............................................................................................................................................. 63
9.3 Installation location............................................................................................................................................ 65
9.4 Unit transport and installation............................................................................................................................ 67
9.5 Construction of refrigerant pipe ......................................................................................................................... 68
9.6 Discharge pipe works ........................................................................................................................................ 81
10. Branch pipe dimensions ...................................................................................................................................... 86
11. Gather pipe dimension......................................................................................................................................... 88
12. Trial operation...................................................................................................................................................... 89
12.1 Conrmation by electrifying ............................................................................................................................. 89
12.2 Rated operation .............................................................................................................................................. 89
12.3 Trial operation conrmation ............................................................................................................................. 92
13. Outdoor control board photo................................................................................................................................ 98
14. Outdoor PCB dip switch setting......................................................................................................................... 102
15. Outdoor system control function........................................................................................................................ 112
15.1 Start Control .................................................................................................................................................. 112
15.2 Target pressure control.................................................................................................................................. 114
15.3 Fan control .................................................................................................................................................... 115
15.4 Pressure protection control............................................................................................................................ 116
15.5 Overheating protection control ...................................................................................................................... 115
15.6 Current protection control.............................................................................................................................. 117
16. Failure code ...................................................................................................................................................... 118
17. Troubleshooting................................................................................................................................................. 125
APPENDIX Sensor Resistance Table.......................................................................................................................175