LG Multi F A2UW14GFA0 Engineering Product Data Book page 307

2. Guideline for each installation process
Brazing work should be carried out either downwards or sideways.
An upward direction should be avoided wherever possible(to prevent leakage).
over 10mm
(Expending pipe brazing)
(Flare part brazing)
Table 1: Correlation of nozzle tip and size of refrigeration piping
# 200
Ø6.35
Ø9.52
Ø12.7
Ø15.9
Ø19.1
Ø22.2
Ø25.4
Ø31.8
Ø38.1
Ø44.5
CAUTION
1. Generally expending pipe brazing is performed with pan-coil type copper pipe, and socket blazing is
performed with straight copper pipe.
2. Do not perform flare part brazing or butt-brazing.
3. Brazing should be performed on welding table.
4. Any dust should enter in the pipe while brazing.
5. Distance of copper pipe support spacing is within 1~2m
6. The copper pipe should not be secured directly by metal brackets.
N
2
N
2
Nozzle tip No.
# 225 # 250 # 315
over 10mm
(Pipe brazing with socket)
(Butt-brazing)
# 400 # 450 # 500
Heat pump 50Hz/R410A
N
2
N
2
(Unit : mm)
Brazing filler diameter Ø
1.6 2.4 3.2
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