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