Samsung MXJ-YA1509 Series Installation Manual page 69

2) Comparison with a case without nitrogen substitution 2) Comparison with a case without
With Nitrogen With Nitrogen substitution
3) Be cautious for pipe-to-pipe brazing works 3) Be cautious for
Brazing work should be carried out either downwards or sideways. Brazing work should be carried
An upward direction should be avoided. An upward direction should be avoided.
CAUTION CAUTION
1. Generally expending pipe brazing is performed with pan-coil type copper pipe, and 1. Generally expending pipe brazing is performed with pan-coil type copper pipe, and
2. Do not perform flare part brazing or butt-brazing. 2. Do not perform flare part brazing or butt-brazing.
3. Brazing should be performed on welding table. 3. Brazing should be performed on welding table.
4. No dust should enter in the pipe while brazing. 4. No dust should enter in the pipe while brazing.
5. Distance of copper pipe support spacing is within 1~2m. 5. Distance of copper pipe support spacing is within 1~2m.
6. The copper pipe should not be secured directly by metal brackets. 6. The copper pipe should not be secured directly by metal brackets.
substitution Without Nitrogen Without
pipe-to-pipe brazing works
out either downwards or sideways.
socket blazing is performed with straight copper pipe. socket blazing is performed with straight copper pipe.
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nitrogen substitution
Nitrogen substitution substitution
Installation guide Installation guide