R410A All DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10
82 Installation
Part 4 Installation
1. Units installation .......................................................................................... 83
2. Air ventilation assembly installation .......................................................... 87
3. Refrigerant piping selection ........................................................................ 91
4. Refrigerant pipe installation ........................................................................ 98
5. Drainage pipe engineering ........................................................................ 107
6. Duct engineering ........................................................................................ 111
7. Heat Insulation Engineering ...................................................................... 113
8. Caution for brazing .................................................................................... 115
9. Remove dirt or water in the piping ........................................................... 115
10. Gas tightness test .................................................................................... 115
11. Vacuum Drying ......................................................................................... 117
12. Additional refrigerant charge .................................................................. 118
13. Electric wiring installation ....................................................................... 119
14. Running test ............................................................................................. 123