Index
1 General information......................................................................................... 1
1.1 General information.................................................................................................................... 2
1.1.1 Copyright..................................................................................................................................... 2
1.1.2 Introduction................................................................................................................................. 2
1.1.3 Environment-friendly units.......................................................................................................... 2
1.2 Safety......................................................................................................................................... 3
1.2.1 Symbols used............................................................................................................................. 3
1.3 Product guide............................................................................................................................. 4
1.3.1 Classification of outdoor unit models and CH units.................................................................... 4
1.3.2 Product guide: Outdoor units...................................................................................................... 4
1.3.3 Accessory code list..................................................................................................................... 6
2 Unit installation................................................................................................ 7
2.1 Outdoor unit................................................................................................................................ 8
2.1.1 Preliminary conditions for positioning of outdoor unit................................................................. 8
2.1.2 Transport, lifting and handling of the units.................................................................................. 8
2.1.3 Installation space RAS-(8-18)FSXN........................................................................................... 10
2.1.4 Center of gravity.......................................................................................................................... 11
2.1.5 Installation................................................................................................................................... 11
2.1.6 Foundation and anchorage of outdoor unit................................................................................. 20
2.2 CH units...................................................................................................................................... 22
2.2.1 Transportation and handling CH units........................................................................................ 22
2.2.2 CH unit installation...................................................................................................................... 22
3 Piping work and refrigerant charge............................................................... 29
3.1 Outdoor unit................................................................................................................................ 30
3.1.1 Refrigerant pipe selection........................................................................................................... 30
3.1.2 Copper pipes, sizes, connection and insulation.......................................................................... 30
3.1.3 Pipe connection kit...................................................................................................................... 36
3.1.4 Precautions for the installation of the outdoor unit...................................................................... 38
3.1.5 General instructions on the installation of refrigerant pipes........................................................ 39
3.1.6 Refrigerant pipe connection for heat pump systems (2 pipes).................................................... 41
3.1.7 Refrigerant pipe connection for heat recovery systems (3 pipes)............................................... 49
3.1.8 Refrigerant charge...................................................................................................................... 58
3.1.9 Precautions in the event of refrigerant leaks............................................................................... 63
3.1.10 Drainage pipes............................................................................................................................ 64
3.2 CH unit....................................................................................................................................... 66
3.2.1 Considerations............................................................................................................................ 66
3.2.2 Piping materials.......................................................................................................................... 66
3.2.3 Cautions for piping connection work........................................................................................... 66
3.2.4 Refrigerant piping work............................................................................................................... 67
4 Electrical wiring............................................................................................... 71
4.1 Outdoor unit................................................................................................................................ 72
4.1.1 General information.................................................................................................................... 72
4.1.2 General verifications................................................................................................................... 72
4.1.3 Connection of the power supply circuits..................................................................................... 73
Index
iii
SMGB0065 rev. 1 - 12/2010
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