Trane ComfortLink II 4TWL9048A1000B - Refrigerant Line Brazing

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18-BC100D1-1D-EN
Refrigerant Line Brazing
Table 17. Braze the Refrigerant Lines
1. Remove caps or plugs. Use a deburring tool to debur the pipe
ends. Clean both internal and external surfaces of the tubing
using an emery cloth.
2. Remove the pressure tap cap and valve core from each service
valve.
3. Purge the refrigerant lines and indoor coil with dry nitrogen.