R410A All DC Inverter V4+S Series 60Hz MCAC-VTSM-2015-09
80 Installation
Part 4 Installation
1. Units installation .......................................................................................... 81
2. Air ventilation assembly installation .......................................................... 86
3. Refrigerant piping selection ........................................................................ 90
4. Refrigerant pipe installation ........................................................................ 97
5. Drainage pipe engineering ........................................................................ 106
6. Duct engineering ........................................................................................ 110
7. Heat Insulation Engineering ...................................................................... 112
8. Caution for brazing .................................................................................... 114
9. Remove dirt or water in the piping ........................................................... 114
10. Gas tightness test .................................................................................... 114
11. Vacuum Drying ......................................................................................... 116
12. Additional refrigerant charge .................................................................. 117
13. Electric wiring installation ....................................................................... 118
14. Running test ............................................................................................. 122
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