Table Of Contents - Hitachi RAS-8FSNM Installation & Maintenance Manual

1. Safety Summary ....................................................................................................................... 1
2. Structure ................................................................................................................................... 1
2.1 Outdoor Unit & Refrigerant Cycle .................................................................................... 1
2.2 Necessary Tools and Instrument List for Installation ....................................................... 3
3. Transportation and Handling .................................................................................................... 4
3.1 Transportation ................................................................................................................. 4
3.2 Handling of Outdoor Unit ................................................................................................. 4
4. Outdoor Unit Installation ........................................................................................................... 5
4.1 Factory-Supplied Accessories ......................................................................................... 5
4.2 Initial Check ..................................................................................................................... 5
4.3 Service Space ................................................................................................................. 6
4.4 Installation Work .............................................................................................................. 8
5. Refrigerant Piping Work ......................................................................................................... 10
5.1 Piping Materials ............................................................................................................. 10
5.2 Refrigerant Piping Work ................................................................................................ 11
5.3 Piping Connection ......................................................................................................... 13
5.4 Air Tight Test.................................................................................................................. 15
5.5 Vacuum Pumping .......................................................................................................... 16
5.6 Caution of the Pressure by Check Joint ........................................................................ 18
5.7 Collecting Refrigerant .................................................................................................... 19
6. Electrical Wiring ...................................................................................................................... 19
6.1 General Check .............................................................................................................. 19
6.2 Electrical Wiring Connection ......................................................................................... 20
7. Test Run ................................................................................................................................. 24
8. Safety and Control Device Setting.......................................................................................... 28

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