ii
P5417050-rev.1
TABLE OF CONTENTS
1. Introduction ........................................................................................................................................................... 1
2. Safety Instructions ................................................................................................................................................ 1
3. Before Installation ................................................................................................................................................. 8
3.1 Combinations of Outdoor Units and Indoor Units ......................................................................................... 8
3.2 Transportation and Handling ........................................................................................................................ 8
3.3 Factory-Supplied Accessories ...................................................................................................................... 8
4. Installation Location .............................................................................................................................................. 9
5. Installation Work ..................................................................................................................................................11
5.1 Opening of False Ceiling and Location of Suspension Bolts .......................................................................11
5.2 Installing Suspension Bolts .........................................................................................................................11
5.3 Working Procedures ................................................................................................................................... 12
5.4 Installation of Decorative Panel .................................................................................................................. 15
6. Refrigerant Piping Work ...................................................................................................................................... 16
6.1 Piping Materials .......................................................................................................................................... 16
6.2 Piping Connection ...................................................................................................................................... 16
7. Condensate Piping .............................................................................................................................................. 18
8. Electrical Wiring .................................................................................................................................................. 22
8.1 General Check ........................................................................................................................................... 22
8.2 Electrical Wiring Capacity ........................................................................................................................... 22
8.2.1 Field Minimum Wire Sizes for Power Supply .................................................................................... 22
8.2.2 Details of Electrical Wiring Connection ............................................................................................. 23
8.3 Position of Electrical Wiring Connection ..................................................................................................... 24
8.4 Wired Controller Cable ............................................................................................................................... 27
8.4.1 Cautions for Individual Louver Settings ............................................................................................ 27
8.4.2 Cautions for Decorative Panel with Motion Sensor Kit (SOR-NED) ................................................. 28
8.4.3 Caution for Electrical Wiring ............................................................................................................. 29
8.5 Wiring Connections .................................................................................................................................... 30
8.6 DIP Switch Settings .................................................................................................................................... 31
8.7 High Speed Setting .................................................................................................................................... 33
8.8 Circulation Function at Heating Thermo-OFF* ........................................................................................... 33
8.9 Individual Louver Settings (Number of Louver Outlets) .............................................................................. 33
8.10 Control of Dew Condensation Prevention .................................................................................................. 34
8.11 Function Selection by Wired Controller ...................................................................................................... 35
8.12 Setback Operation ...................................................................................................................................... 37
9. Test Run .............................................................................................................................................................. 38
9.1 Before Test Run .......................................................................................................................................... 38
9.2 Test Run ..................................................................................................................................................... 38
9.3 Alarm Code ................................................................................................................................................ 42
