Samsung AE120JXEDEH Installation Manual page 27

3. To prevent a gas leak, remove all burrs at the cut edge of the pipe with a reamer.
• Face the pipe down while removing the burrs to make sure that
burrs do not get in to the pipe.
CAUTION
4. Put a are nut slightly into the pipe and modify the are.
Pipe Flare
5. Check that you ared the pipe correctly.
- Below gures shows some examples of incorrectly ared pipes.
Correct
6. Align the pipes to connect them easily. Tighten the are nuts rst with your hands, and then with a torque wrench,
applying the following torque:
Apply frozen oil
Indoor outlet pipe
• Excessive torque can be cause of gas leakage.
NOTE
• You must purge with oxygen free nitrogen while brazing.
CAUTION
Outer diameter
90°± 2°
R 0.4
~0.8
Damaged
Inclined
surface
Flare nut
Connecting pipe
ENGLISH-27
Depth [A (mm)]
[D(mm)]
ø 6.35
ø 9.52
ø 12.70
ø 15.88
ø19.05
Cracked
thickness
Outer diameter [mm(inch)]
ø 6.35 (1/4")
ø 9.52 (3/8")
ø 12.70 (1/2")
ø 15.88 (5/8")
ø19.05 (3/4")
Pipe
Pipe cutter
Flaring Size [B (mm)]
1.3 8.7~9.1
1.8 12.8~13.2
2.0 16.2~16.6
2.2 19.3~19.7
2.2 23.6~24.0
Uneven
T orque (N•m)
14~18
34~42
49~61
68~82
100~120
Burr