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. Before Installation ...........................................................................................................................................
9
3.1 Selection of Unit Model ..........................................................................................................................
9
3.2 Indoor Unit Selection for Multiple Connected Installation.......................................................................
9
3.3 Standard Combination of Outdoor Unit and Indoor Unit.......................................................................
10
3.4 Enhanced Combination of Outdoor Unit and Indoor Unit .....................................................................
11
4. Transportation and Handling.........................................................................................................................
12
5. Outdoor Unit Installation ...............................................................................................................................
13
5.1 Factory-Supplied Accessories ..............................................................................................................
13
5.2 Initial Check..........................................................................................................................................
13
5.3 Service Space ......................................................................................................................................
15
5.4 Installation Work...................................................................................................................................
17
6. Refrigerant Piping Work................................................................................................................................
19
6.1 Piping Materials....................................................................................................................................
20
6.2 Flaring and Joint...................................................................................................................................
21
6.3 Pipe Selection ......................................................................................................................................
22
6.4 Piping Connection ................................................................................................................................
25
6.5 Connecting Refrigerant Pipings............................................................................................................
28
7. Electrical Wiring ............................................................................................................................................
29
7.1 General Check .....................................................................................................................................
30
7.2 Wiring Connection ................................................................................................................................
31
8. Setting of Dip Switch.....................................................................................................................................
39
9. Additional Refrigerant Charge.......................................................................................................................
42
9.1 Air-Tight Test ........................................................................................................................................
42
9.2 Vacuum Pump and Refrigerant Charge ...............................................................................................
42
9.3 Refrigerant Charging Quantity..............................................................................................................
44
10. Test Run........................................................................................................................................................
46
10.1 Before Test Run....................................................................................................................................
46
10.2 Test Run ...............................................................................................................................................
48
10.3 Optional Function Setting .....................................................................................................................
50
11. Safety and Control Device Setting ................................................................................................................
53
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