2-6
TC-12001
IN-THE-CEILING (DUCT)
P5414985
iii
TABLE OF CONTENTS
1. Safety Summary .............................................................................................................................................1
2. Structure..........................................................................................................................................................5
2.1 Name of Parts ........................................................................................................................................5
2.2 Necessary Tools and Instrument List for Installation ..............................................................................7
3. Transportation and Handling...........................................................................................................................7
3.1 Transportation ........................................................................................................................................7
3.2 Handling of Indoor Unit...........................................................................................................................7
4. Indoor Unit Installation ....................................................................................................................................7
4.1
Factory-Supplied Accessories ................................................................................................................7
4.2
Initial Check............................................................................................................................................9
4.3 Installation ............................................................................................................................................10
4.3.1 Mounting on Truss ......................................................................................................................10
4.3.2
Separating Indoor Unit (If Required) (Only for 3.0 - 6.0HP Models) ...........................................10
4.3.3
Mounting on Suspension Brackets (Field-Supplied)................................................................... 11
4.3.4 Adjusting of Unit Level ................................................................................................................ 11
4.3.5 Connecting Supply Duct .............................................................................................................12
4.3.6 Setting of External Static Pressure .............................................................................................12
5. Refrigerant Piping Work ................................................................................................................................13
5.1 Piping Materials....................................................................................................................................13
5.2 Piping Connection ................................................................................................................................13
6. Drain Piping ..................................................................................................................................................14
7. Electrical Wiring ............................................................................................................................................15
7.1
General Check .....................................................................................................................................15
7.2 Electrical Wiring Connection ................................................................................................................15
7.3
Field Minimum Wire Sizes for Power Source .......................................................................................18
7.4
Setting of Dip Switches ........................................................................................................................19
7.5 Setting of External Static Pressure.......................................................................................................20
8. Test Run........................................................................................................................................................20
9. Safety and Control Device Setting ................................................................................................................20
