VC Pro VRF 50/60Hz 
    141 
Part 3 - System Design and Installation 
Part 3 
System Design and 
Installation 
 
1  Preface to Part 3 ................................................................................ 142 
2  Unit Placement and Installation ......................................................... 143 
3  Outdoor Unit Ducting and Shielding .................................................. 146 
4  Refrigerant Piping Design ................................................................... 152 
5  Refrigerant Piping Installation ............................................................ 162 
6  Drain Piping ....................................................................................... 174 
7  Insulation .......................................................................................... 177 
8  Charging Refrigerant .......................................................................... 179 
9  Electrical Wiring................................................................................. 181 
10  Installation in Areas of High Salinity .................................................. 185 
11  Commissioning .................................................................................. 186 
12  Appendix to Part 3 – System Commissioning Report .......................... 187