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P5417054
TABLE OF CONTENTS
1. Introduction ........................................................................................................................................................... 1
2. Safety Instructions ................................................................................................................................................ 1
3. Before Installation ................................................................................................................................................. 7
3.1 Combination of Outdoor Unit and Indoor Unit .............................................................................................. 7
3.2 Transportation and Handling ........................................................................................................................ 7
3.3 Factory-Supplied Accessories ...................................................................................................................... 7
4. Installation Location .............................................................................................................................................. 8
5. Installation Work ................................................................................................................................................. 10
5.1 Opening of False Ceiling and Location of Suspension Bolts ...................................................................... 10
5.2 Installing Suspension Bolts ........................................................................................................................ 10
5.3 Working Procedure ......................................................................................................................................11
5.4 Installation of Decorative Panel .................................................................................................................. 14
6. Refrigerant Piping Work ...................................................................................................................................... 15
6.1 Piping Materials .......................................................................................................................................... 15
6.2 Piping Connection ...................................................................................................................................... 15
7. Condensate Piping .............................................................................................................................................. 17
8. Electrical Wiring .................................................................................................................................................. 21
8.1 General Check ........................................................................................................................................... 21
8.2 Electrical Wiring Capacity ........................................................................................................................... 21
8.2.1 Field Minimum Wire Sizes for Power Supply .................................................................................... 21
8.2.2 Details of Electrical Wiring Connection ............................................................................................. 22
8.3 Position of Electrical Wiring Connection ..................................................................................................... 23
8.4 Wired Controller Cable ............................................................................................................................... 26
8.4.1 Cautions for Individual Louver Settings ............................................................................................ 26
8.4.2 Cautions for Decorative Panel with Motion Sensor .......................................................................... 27
8.4.3 Caution for Electrical Wiring ............................................................................................................. 28
8.5 Wiring Connections .................................................................................................................................... 29
8.6 DIP Switch Settings .................................................................................................................................... 30
8.7 High Speed Setting .................................................................................................................................... 32
8.8 Circulation Function at Heating Thermo-OFF* ........................................................................................... 32
8.9 Individual Louver Settings (Number of Louver Outlets) .............................................................................. 32
8.10 Control of Dew Condensation Prevention .................................................................................................. 33
8.11 Function Selection by Wired Controller ...................................................................................................... 34
8.12 Setback Operation ...................................................................................................................................... 36
9. Test Run .............................................................................................................................................................. 37
9.1 Before Test Run .......................................................................................................................................... 37
9.2 Test Run ..................................................................................................................................................... 37
9.3 Alarm Code ................................................................................................................................................ 41
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