Installing the unit
Method and cautions on brazing the pipe
Keeping refrigerant pipe clean and dry
clean, dry and sealed during installation.
Brazing the pipe
The use of Nitrogen gas
1. Use Nitrogen gas when brazing the pipes as shown in the
2. If you don't use Nitrogen gas when brazing the pipes, oxide may
form inside the pipe. It can cause the damage of the compressor
Direction of the pipe when brazing
• Performing the brazing of the pipe should be headed
downwards or horizontally.
Shorter than one month