1 Operation Flowchart ..................................................................................................... 46
2 Wired Controller ............................................................................................................ 47
2.1 Control panel ....................................................................................................................... 47
2.2 Installation and removal ....................................................................................................... 49
3 Remote Controller......................................................................................................... 52
3.1 Remote controller YAP1F .................................................................................................... 52
3.2 Remote controller YV1L1 ..................................................................................................... 53
4 Panel Display ................................................................................................................ 54
4.1 Control Panel ....................................................................................................................... 54
4.2 Operational Instruction ......................................................................................................... 54
5 Introduction to Unit Functions .................................................................................... 58
5.1 Engineering Application Functions Operated through the XK46 Wired Controller ................ 59
5.2 Engineering Application Functions Operated through the XK49 Wired Controller ................ 74
5.3 Engineering Application Functions Operated through the XK79 Wired Controller ................ 76
5.4 Engineering Application Functions Operated through the YV1L1 Remote Controller ........... 80
5.5 Engineering Application Functions Operated through the YAP1F Remote Controller ........... 85
INSTALLATION ................................................................................................................. 86
1 Engineering Installation Preparation and Notice ....................................................... 87
1.1 Installation notice ................................................................................................................. 87
1.2 Installation key points and importance ................................................................................. 87
2 Installation Materials Selection ................................................................................... 88
2.1 Refrigerant piping ................................................................................................................ 88
2.2 Condensate water pipe ........................................................................................................ 89
2.3 Insulation material ............................................................................................................... 89
2.4 Communication cable and control cable .............................................................................. 89
2.5 Power cable ......................................................................................................................... 90
2.6 Hanger rod and support ....................................................................................................... 90
3 Installation of Indoor Unit ............................................................................................ 90
3.1 Installation of Floor Standing indoor unit .............................................................................. 90
3.2 Installation of High Static Pressure Duct Type unit ............................................................... 92
3.3 Installation of Low Static Pressure Duct Type unit................................................................ 95
3.4 Installation of 4-way Cassette Type unit ............................................................................... 98
3.5 Installation of Compact 4-way Cassette Type unit .............................................................. 100
3.6 Installation of Compact 2-way Cassette Type unit .............................................................. 102
3.7 Installation of Compact 1-way Cassette Type unit .............................................................. 103
3.8 Installation of Floor Ceiling Type unit ................................................................................. 105
3.9 Installation of Fresh air Processing unit ............................................................................. 107
3.10 Installation of Slim Duct Type unit ..................................................................................... 111
3.11 Installation of Air Handler type Indoor Unit ....................................................................... 112
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