Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 522

1. System design.............................................................................................06-1
1-1. Refrigerant system .........................................................................................................06-1
1-2. VRF network system ......................................................................................................06-4
1-3. Installation place...........................................................................................................06-11
2. Piping design.............................................................................................06-14
2-1. Important items when using refrigerant (R410A) ..........................................................06-14
2-2. Piping limitation ............................................................................................................06-17
2-3. Pipe size.......................................................................................................................06-19
2-4. Selection of pipe heat insulating material .....................................................................06-25
2-5. Additional charge calculation ........................................................................................06-26
2-6. Piping design example .................................................................................................06-28
3. Piping connection .....................................................................................06-35
3-1. Piping to outdoor unit....................................................................................................06-37
3-2. Separation tube ............................................................................................................06-41
3-3. Header..........................................................................................................................06-45
4. Wiring design ............................................................................................06-48
4-1. Electrical wiring.............................................................................................................06-48
4-2. Power supply cable ......................................................................................................06-50
4-3. Transmission cable.......................................................................................................06-54
4-4. Controller cable ............................................................................................................06-62
5. Drain connection .......................................................................................06-64
5-1. Outdoor unit..................................................................................................................06-64
5-2. Indoor unit ....................................................................................................................06-65
CONTENTS
6. SYSTEM DESIGN