CONTENTS 
PRODUCT ........................................................................................................................................................................ 2 
1 PRODUCT LIST .......................................................................................................................................... 2 
1.1 Floor Standing Type .......................................................................................................................................... 2 
1.2 High Static Pressure Duct Type ...................................................................................................................... 2 
1.3 Low Static Pressure Duct Type ....................................................................................................................... 3 
1.4 4-way Cassette .................................................................................................................................................. 3 
1.5 Compact 4-way Cassette ................................................................................................................................. 4 
1.6 2-way Cassette .................................................................................................................................................. 4 
1.7 1-way Cassette .................................................................................................................................................. 4 
1.8 Floor Ceiling ....................................................................................................................................................... 4 
1.9 Fresh air Processing ......................................................................................................................................... 5 
1.10 Slim Duct Type ................................................................................................................................................ 5 
1.11 Air Handler type Indoor Unit .......................................................................................................................... 5 
1.12 Console Type Indoor Unit .............................................................................................................................. 6 
1.13 Wall Mounted type Indoor Unit ...................................................................................................................... 6 
1.14 Super High Static Pressure Duct Type Indoor Unit .................................................................................... 9 
2 NOMENCLATURE .................................................................................................................................... 10 
2.1 Nomenclature of indoor units ........................................................................................................................ 10 
3 SPECIFICATIONS ..................................................................................................................................... 11 
3.1 Floor Standing Type ........................................................................................................................................ 11 
3.2 High Static Pressure Duct Type .................................................................................................................... 12 
3.3 Low Static Pressure Duct Type ..................................................................................................................... 13 
3.4 4-way Cassette Type ...................................................................................................................................... 15 
3.5 Compact 4-way Cassette Type ..................................................................................................................... 16 
3.6 2-way Cassette Type ...................................................................................................................................... 17 
3.7 1-way Cassette Type ...................................................................................................................................... 18 
3.8 Floor Ceiling Type ........................................................................................................................................... 19 
3.9 Fresh air Processing Unit............................................................................................................................... 20 
3.10 Slim Duct Type .............................................................................................................................................. 22 
3.11 Air Handler type Indoor Unit ........................................................................................................................ 23 
3.12 Console Type Indoor Unit ............................................................................................................................ 24 
3.13 Wall Mounted type Indoor Unit .................................................................................................................... 26 
3.14 Super High Static Pressure Duct Type Indoor Unit .................................................................................. 32 
CONTROL ....................................................................................................................................................................... 36 
1 OPERATION FLOWCHART ..................................................................................................................... 36 
2 WIRED CONTROLLER ............................................................................................................................ 37 
2.1 Control panel ................................................................................................................................................... 37 
2.2 Installation and removal ................................................................................................................................. 39 
3 REMOTE CONTROLLER ......................................................................................................................... 42 
3.1 Remote controller YAP1F .............................................................................................................................. 42 
3.2 Remote controller YV1L1 ............................................................................................................................... 43 
4 PANEL DISPLAY ....................................................................................................................................... 44 
4.1 Control Panel ................................................................................................................................................... 44 
4.2 Operational Instruction ................................................................................................................................... 44 
5 INTRODUCTION TO UNIT FUNCTIONS ................................................................................................. 48 
INSTALLATION .............................................................................................................................................................. 71 
1 ENGINEERING INSTALLATION PREPARATION AND NOTICE ............................................................. 72 
1.1 Installation notice ............................................................................................................................................ 72 
1.2 Installation key points and importance ......................................................................................................... 72 
2 INSTALLATION MATERIALS SELECTION .............................................................................................. 73 
2.1 Refrigerant piping ............................................................................................................................................ 73 
2.2 Condensate water pipe .................................................................................................................................. 74 
2.3 Insulation material ........................................................................................................................................... 74 
2.4 Communication cable and control cable ...................................................................................................... 74 
2.5 Power cable ..................................................................................................................................................... 75 
2.6 Hanger rod and support ................................................................................................................................. 75 
3 INSTALLATION OF INDOOR UNIT .......................................................................................................... 75