III
TABLE OF CONTENTS
1. SAFETY SUMMARY ............................................................................................................................. 1
2. Before Installation .................................................................................................................................. 4
2.1
Necessary Tools and Instrument List for Installation ................................................................... 4
2.2
Structure ...................................................................................................................................... 6
2.3
Refrigerant Cycle Diagram ..........................................................................................................
7
2.4
Combination of Indoor Unit and Outdoor Unit
...
..........................
................................................
8
2.5
Transportation ......................................................................................................................
..
.....
9
2.6
Factory-Supplied Accessories ...................................................................................................
..9
3. Outdoor Unit Installation ...................................................................................................................... 1
0
3.1
Installation Location and Precautions ........................................................................................ 1
0
3.2
Service Space ........................................................................................................................... 1
2
3.3
Installation Work ........................................................................................................................ 1
5
4. Refrigerant Piping Work ...................................................................................................................... 1
7
4.1
Precaution for Refrigerant Piping .............................................................................................. 1
7
4.2
Model of Branch Pipe ................................................................................................................ 2
0
4.3
Refrigerant Piping Size.............................................................................................................. 2
1
4.4
Refrigerant Piping Work for Outdoor Unit .................................................................................. 2
3
4.5
Air
-
Tight
ness
Test ..................................................................................................................... 2
5
4.6
Vacuuming ................................................................................................................................ 2
6
4.7
Additional Refrigerant Charge Calculation ................................................................................ 2
7
4.8
Additional Refrigerant Charge Work..........................................................................................
28
4.9
Pressure Measurement .............................................................................................................
28
5. Electrical Wring ....................................................................................................................................
29
5.1
General Check ..........................................................................................................................
30
5.2
Electrical Wiring Connection ..................................................................................................... 3
0
5.3
Electrical Wiring for Outdoor Unit .............................................................................................. 3
2
6. DIP Switch Setting of Outdoor Unit ..................................................................................................... 3
4
7. Test Run .............................................................................................................................................. 3
6
7.1 Before Test Run ............................................................................................................................ 3
6
7.2 Test Run by DIP Switch of Outdoor Unit ....................................................................................... 3
6
7.3 Test Run by Wired Controller ........................................................................................................ 3
6
8. Safety and Control Device Setting ....................................................................................................... 4
0
