Table Of Contents - Hitachi CH-Box Installation Manual

1. Safety Summary .............................................................................................................................................1
2. Structure .........................................................................................................................................................1
2.1 Dimensions .............................................................................................................................................1
2.2 Refrigeration Cycle .................................................................................................................................4
2.3 Necessary Tools and Instrument List for Installation ..............................................................................5
3. Transportation and Handling ...........................................................................................................................6
3.1 Transportation ........................................................................................................................................6
3.2 Handling of CH-Box ................................................................................................................................6
3.3 Combination of CH-Box and Indoor Unit ................................................................................................6
4. CH-Box Installation .........................................................................................................................................7
4.1 Factory-Supplied Accessories ................................................................................................................7
4.2 Initial Check ............................................................................................................................................8
4.3 Suspension Bolts ....................................................................................................................................9
4.4 Installation ............................................................................................................................................10
4.4.1 Marking of the Positions of the Suspension Bolts and Wiring Connections ...............................10
4.4.2 Mounting and Hanging the CH-Box ............................................................................................10
5. Refrigerant Piping Work ................................................................................................................................ 11
5.1 Refrigerant Piping ................................................................................................................................. 11
5.2 Refrigerant Piping Work .......................................................................................................................13
6. Electrical Wiring ............................................................................................................................................21
6.1 General Check .....................................................................................................................................21
6.2 Electrical Wiring Connection ................................................................................................................22
6.3 Electrical Wiring ....................................................................................................................................24
6.4 Setting of DIP Switches ........................................................................................................................25
7. Test Run ........................................................................................................................................................26
8. Safety and Control Device Setting ................................................................................................................27
P5417025-rev.1

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