Samsung AC052HBMPKH, Руководство пользователя, Страница: 21 / 53

21
AA
ENGLISH
5. Check that the flaring is correct, referring to the illustrations below for examples of incorrect flaring.
• If the pipes require brazing ensure that OFN(Oxygen Free Nitrogen) is flowing through the system.
• Nitrogen blowing pressure range is 0.02 ~ 0.05MPa.
Uneven
Thickness
Cracked Damaged
Surface
Inclined Correct
1. Make sure that you have the required tools available. (pipe cutter, reamer, flaring tool and pipe holder)
2. If you wish to shorten the pipes, cut it with a pipe cutter, taking care to ensure that the cut edge remains at a 90° angle
with the side of the pipe. Refer to the illustrations below for examples of edges cut correctly and incorrectly.
3. To prevent any gas from leaking out, remove all burrs at the cut edge of the pipe, using a reamer.
4. Slide a flare nut on to the pipe and modify the flare.
Oblique Rough Burr
Outer Diameter (D) Depth (A)
ø6.35 mm(1/4") 1.3 mm
ø9.52 mm(3/8") 1.8 mm
ø12.70 mm(1/2") 2.0 mm
ø15.88 mm(5/8") 2.2 mm
ø19.05 mm(3/4") 2.2 mm
Cutting/Flaring the pipes
Outer diameter (D, mm) Connection torque (N•m) Flare dimension (L, mm) Flare shape (mm)
Ø 6.35 14~18 8.7~9.1
L
D
90° ±2°
45° ±2°
R 0.4~0.8
Ø 9.52 34~42 12.8~13.2
Ø 12.70 49~61 16.2~16.6
Ø 15.88 68~82 19.3~19.7
Ø 19.05 100~120 23.6~24.0